Move files in src/ include/

include/util/bearing.hpp

@@ -0,0 +1,116 @@
+/*
+
+Copyright (c) 2015, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef BEARING_HPP
+#define BEARING_HPP
+
+#include <boost/assert.hpp>
+#include <string>
+
+namespace bearing
+{
+inline std::string get(const double heading)
+{
+    BOOST_ASSERT(heading >= 0);
+    BOOST_ASSERT(heading <= 360);
+
+    if (heading <= 22.5)
+    {
+        return "N";
+    }
+    if (heading <= 67.5)
+    {
+        return "NE";
+    }
+    if (heading <= 112.5)
+    {
+        return "E";
+    }
+    if (heading <= 157.5)
+    {
+        return "SE";
+    }
+    if (heading <= 202.5)
+    {
+        return "S";
+    }
+    if (heading <= 247.5)
+    {
+        return "SW";
+    }
+    if (heading <= 292.5)
+    {
+        return "W";
+    }
+    if (heading <= 337.5)
+    {
+        return "NW";
+    }
+    return "N";
+}
+
+// Checks whether A is between B-range and B+range, all modulo 360
+// e.g. A = 5, B = 5, range = 10 == true
+//      A = -6, B = 5, range = 10 == false
+//      A = -2, B = 355, range = 10 == true
+//      A = 6, B = 355, range = 10 == false
+//      A = 355, B = -2, range = 10 == true
+//
+// @param A the bearing to check, in degrees, 0-359, 0=north
+// @param B the bearing to check against, in degrees, 0-359, 0=north
+// @param range the number of degrees either side of B that A will still match
+// @return true if B-range <= A <= B+range, modulo 360
+inline bool CheckInBounds(const int A, const int B, const int range)
+{
+
+    if (range >= 180)
+        return true;
+    if (range <= 0)
+        return false;
+
+    // Map both bearings into positive modulo 360 space
+    const int normalized_B = (B < 0) ? (B % 360) + 360 : (B % 360);
+    const int normalized_A = (A < 0) ? (A % 360) + 360 : (A % 360);
+
+    if (normalized_B - range < 0)
+    {
+        return (normalized_B - range + 360 <= normalized_A && normalized_A < 360) ||
+               (0 <= normalized_A && normalized_A <= normalized_B + range);
+    }
+    else if (normalized_B + range > 360)
+    {
+        return (normalized_B - range <= normalized_A && normalized_A < 360) ||
+               (0 <= normalized_A && normalized_A <= normalized_B + range - 360);
+    }
+    else
+    {
+        return normalized_B - range <= normalized_A && normalized_A <= normalized_B + range;
+    }
+}
+}
+
+#endif // BEARING_HPP

include/util/binary_heap.hpp

@@ -0,0 +1,315 @@
+/*
+
+Copyright (c) 2015, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef BINARY_HEAP_H
+#define BINARY_HEAP_H
+
+#include <boost/assert.hpp>
+
+#include <algorithm>
+#include <limits>
+#include <map>
+#include <type_traits>
+#include <unordered_map>
+#include <vector>
+
+template <typename NodeID, typename Key> class ArrayStorage
+{
+  public:
+    explicit ArrayStorage(size_t size) : positions(size, 0) {}
+
+    ~ArrayStorage() {}
+
+    Key &operator[](NodeID node) { return positions[node]; }
+
+    Key peek_index(const NodeID node) const { return positions[node]; }
+
+    void Clear() {}
+
+  private:
+    std::vector<Key> positions;
+};
+
+template <typename NodeID, typename Key> class MapStorage
+{
+  public:
+    explicit MapStorage(size_t) {}
+
+    Key &operator[](NodeID node) { return nodes[node]; }
+
+    void Clear() { nodes.clear(); }
+
+    Key peek_index(const NodeID node) const
+    {
+        const auto iter = nodes.find(node);
+        if (nodes.end() != iter)
+        {
+            return iter->second;
+        }
+        return std::numeric_limits<Key>::max();
+    }
+
+  private:
+    std::map<NodeID, Key> nodes;
+};
+
+template <typename NodeID, typename Key> class UnorderedMapStorage
+{
+  public:
+    explicit UnorderedMapStorage(size_t) { nodes.rehash(1000); }
+
+    Key &operator[](const NodeID node) { return nodes[node]; }
+
+    Key peek_index(const NodeID node) const
+    {
+        const auto iter = nodes.find(node);
+        if (std::end(nodes) != iter)
+        {
+            return iter->second;
+        }
+        return std::numeric_limits<Key>::max();
+    }
+
+    Key const &operator[](const NodeID node) const
+    {
+        auto iter = nodes.find(node);
+        return iter->second;
+    }
+
+    void Clear() { nodes.clear(); }
+
+  private:
+    std::unordered_map<NodeID, Key> nodes;
+};
+
+template <typename NodeID,
+          typename Key,
+          typename Weight,
+          typename Data,
+          typename IndexStorage = ArrayStorage<NodeID, NodeID>>
+class BinaryHeap
+{
+  private:
+    BinaryHeap(const BinaryHeap &right);
+    void operator=(const BinaryHeap &right);
+
+  public:
+    using WeightType = Weight;
+    using DataType = Data;
+
+    explicit BinaryHeap(size_t maxID) : node_index(maxID) { Clear(); }
+
+    void Clear()
+    {
+        heap.resize(1);
+        inserted_nodes.clear();
+        heap[0].weight = std::numeric_limits<Weight>::min();
+        node_index.Clear();
+    }
+
+    std::size_t Size() const { return (heap.size() - 1); }
+
+    bool Empty() const { return 0 == Size(); }
+
+    void Insert(NodeID node, Weight weight, const Data &data)
+    {
+        HeapElement element;
+        element.index = static_cast<NodeID>(inserted_nodes.size());
+        element.weight = weight;
+        const Key key = static_cast<Key>(heap.size());
+        heap.emplace_back(element);
+        inserted_nodes.emplace_back(node, key, weight, data);
+        node_index[node] = element.index;
+        Upheap(key);
+        CheckHeap();
+    }
+
+    Data &GetData(NodeID node)
+    {
+        const Key index = node_index.peek_index(node);
+        return inserted_nodes[index].data;
+    }
+
+    Data const &GetData(NodeID node) const
+    {
+        const Key index = node_index.peek_index(node);
+        return inserted_nodes[index].data;
+    }
+
+    Weight &GetKey(NodeID node)
+    {
+        const Key index = node_index[node];
+        return inserted_nodes[index].weight;
+    }
+
+    bool WasRemoved(const NodeID node) const
+    {
+        BOOST_ASSERT(WasInserted(node));
+        const Key index = node_index.peek_index(node);
+        return inserted_nodes[index].key == 0;
+    }
+
+    bool WasInserted(const NodeID node) const
+    {
+        const auto index = node_index.peek_index(node);
+        if (index >= static_cast<decltype(index)>(inserted_nodes.size()))
+        {
+            return false;
+        }
+        return inserted_nodes[index].node == node;
+    }
+
+    NodeID Min() const
+    {
+        BOOST_ASSERT(heap.size() > 1);
+        return inserted_nodes[heap[1].index].node;
+    }
+
+    Weight MinKey() const {
+      BOOST_ASSERT(heap.size() > 1);
+      return heap[1].weight;
+    }
+
+    NodeID DeleteMin()
+    {
+        BOOST_ASSERT(heap.size() > 1);
+        const Key removedIndex = heap[1].index;
+        heap[1] = heap[heap.size() - 1];
+        heap.pop_back();
+        if (heap.size() > 1)
+        {
+            Downheap(1);
+        }
+        inserted_nodes[removedIndex].key = 0;
+        CheckHeap();
+        return inserted_nodes[removedIndex].node;
+    }
+
+    void DeleteAll()
+    {
+        auto iend = heap.end();
+        for (auto i = heap.begin() + 1; i != iend; ++i)
+        {
+            inserted_nodes[i->index].key = 0;
+        }
+        heap.resize(1);
+        heap[0].weight = (std::numeric_limits<Weight>::min)();
+    }
+
+    void DecreaseKey(NodeID node, Weight weight)
+    {
+        BOOST_ASSERT(std::numeric_limits<NodeID>::max() != node);
+        const Key &index = node_index.peek_index(node);
+        Key &key = inserted_nodes[index].key;
+        BOOST_ASSERT(key >= 0);
+
+        inserted_nodes[index].weight = weight;
+        heap[key].weight = weight;
+        Upheap(key);
+        CheckHeap();
+    }
+
+  private:
+    class HeapNode
+    {
+      public:
+        HeapNode(NodeID n, Key k, Weight w, Data d) : node(n), key(k), weight(w), data(std::move(d))
+        {
+        }
+
+        NodeID node;
+        Key key;
+        Weight weight;
+        Data data;
+    };
+    struct HeapElement
+    {
+        Key index;
+        Weight weight;
+    };
+
+    std::vector<HeapNode> inserted_nodes;
+    std::vector<HeapElement> heap;
+    IndexStorage node_index;
+
+    void Downheap(Key key)
+    {
+        const Key droppingIndex = heap[key].index;
+        const Weight weight = heap[key].weight;
+        const Key heap_size = static_cast<Key>(heap.size());
+        Key nextKey = key << 1;
+        while (nextKey < heap_size)
+        {
+            const Key nextKeyOther = nextKey + 1;
+            if ((nextKeyOther < heap_size) && (heap[nextKey].weight > heap[nextKeyOther].weight))
+            {
+                nextKey = nextKeyOther;
+            }
+            if (weight <= heap[nextKey].weight)
+            {
+                break;
+            }
+            heap[key] = heap[nextKey];
+            inserted_nodes[heap[key].index].key = key;
+            key = nextKey;
+            nextKey <<= 1;
+        }
+        heap[key].index = droppingIndex;
+        heap[key].weight = weight;
+        inserted_nodes[droppingIndex].key = key;
+    }
+
+    void Upheap(Key key)
+    {
+        const Key risingIndex = heap[key].index;
+        const Weight weight = heap[key].weight;
+        Key nextKey = key >> 1;
+        while (heap[nextKey].weight > weight)
+        {
+            BOOST_ASSERT(nextKey != 0);
+            heap[key] = heap[nextKey];
+            inserted_nodes[heap[key].index].key = key;
+            key = nextKey;
+            nextKey >>= 1;
+        }
+        heap[key].index = risingIndex;
+        heap[key].weight = weight;
+        inserted_nodes[risingIndex].key = key;
+    }
+
+    void CheckHeap()
+    {
+#ifndef NDEBUG
+        for (std::size_t i = 2; i < heap.size(); ++i)
+        {
+            BOOST_ASSERT(heap[i].weight >= heap[i >> 1].weight);
+        }
+#endif
+    }
+};
+
+#endif // BINARY_HEAP_H

include/util/cast.hpp

@@ -0,0 +1,69 @@
+/*
+
+Copyright (c) 2015, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef CAST_HPP
+#define CAST_HPP
+
+#include <string>
+#include <sstream>
+#include <iomanip>
+#include <type_traits>
+
+#include <boost/algorithm/string/classification.hpp>
+#include <boost/algorithm/string/trim.hpp>
+
+namespace cast
+{
+template <typename Enumeration>
+inline auto enum_to_underlying(Enumeration const value) ->
+    typename std::underlying_type<Enumeration>::type
+{
+    return static_cast<typename std::underlying_type<Enumeration>::type>(value);
+}
+
+template <typename T, int Precision = 6> inline std::string to_string_with_precision(const T x)
+{
+    static_assert(std::is_arithmetic<T>::value, "integral or floating point type required");
+
+    std::ostringstream out;
+    out << std::fixed << std::setprecision(Precision) << x;
+    auto rv = out.str();
+
+    // Javascript has no separation of float / int, digits without a '.' are integral typed
+    // X.Y.0 -> X.Y
+    // X.0 -> X
+    boost::trim_right_if(rv, boost::is_any_of("0"));
+    boost::trim_right_if(rv, boost::is_any_of("."));
+    // Note:
+    //  - assumes the locale to use '.' as digit separator
+    //  - this is not identical to:  trim_right_if(rv, is_any_of('0 .'))
+
+    return rv;
+}
+}
+
+#endif // CAST_HPP

include/util/compute_angle.hpp

@@ -0,0 +1,42 @@
+/*
+
+Copyright (c) 2015, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef COMPUTE_ANGLE_HPP
+#define COMPUTE_ANGLE_HPP
+
+struct FixedPointCoordinate;
+
+struct ComputeAngle
+{
+    // Get angle of line segment (A,C)->(C,B)
+    // atan2 magic, formerly cosine theorem
+    static double OfThreeFixedPointCoordinates(const FixedPointCoordinate &first,
+                                               const FixedPointCoordinate &second,
+                                               const FixedPointCoordinate &third) noexcept;
+};
+
+#endif // COMPUTE_ANGLE_HPP

include/util/container.hpp

@@ -0,0 +1,111 @@
+/*
+
+Copyright (c) 2015, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef CONTAINER_HPP
+#define CONTAINER_HPP
+
+#include <algorithm>
+#include <iterator>
+#include <vector>
+
+namespace osrm
+{
+namespace detail
+{
+// Culled by SFINAE if reserve does not exist or is not accessible
+template <typename T>
+constexpr auto has_resize_method(T &t) noexcept -> decltype(t.resize(0), bool())
+{
+    return true;
+}
+
+// Used as fallback when SFINAE culls the template method
+constexpr bool has_resize_method(...) noexcept { return false; }
+}
+
+template <typename Container> void sort_unique_resize(Container &vector) noexcept
+{
+    std::sort(std::begin(vector), std::end(vector));
+    const auto number_of_unique_elements =
+        std::unique(std::begin(vector), std::end(vector)) - std::begin(vector);
+    if (detail::has_resize_method(vector))
+    {
+        vector.resize(number_of_unique_elements);
+    }
+}
+
+// template <typename T> inline void sort_unique_resize_shrink_vector(std::vector<T> &vector)
+// {
+//     sort_unique_resize(vector);
+//     vector.shrink_to_fit();
+// }
+
+// template <typename T> inline void remove_consecutive_duplicates_from_vector(std::vector<T>
+// &vector)
+// {
+//     const auto number_of_unique_elements = std::unique(vector.begin(), vector.end()) -
+//     vector.begin();
+//     vector.resize(number_of_unique_elements);
+// }
+
+template <typename ForwardIterator, typename Function>
+Function for_each_pair(ForwardIterator begin, ForwardIterator end, Function function)
+{
+    if (begin == end)
+    {
+        return function;
+    }
+
+    auto next = begin;
+    next = std::next(next);
+
+    while (next != end)
+    {
+        function(*begin, *next);
+        begin = std::next(begin);
+        next = std::next(next);
+    }
+    return function;
+}
+
+template <class ContainerT, typename Function>
+Function for_each_pair(ContainerT &container, Function function)
+{
+    return for_each_pair(std::begin(container), std::end(container), function);
+}
+
+template <class Container> void append_to_container(Container &&) {}
+
+template <class Container, typename T, typename... Args>
+void append_to_container(Container &&container, T value, Args &&... args)
+{
+    container.emplace_back(value);
+    append_to_container(std::forward<Container>(container), std::forward<Args>(args)...);
+}
+
+} // namespace osrm
+#endif /* CONTAINER_HPP */

include/util/coordinate_calculation.hpp

@@ -0,0 +1,82 @@
+/*
+
+Copyright (c) 2015, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef COORDINATE_CALCULATION
+#define COORDINATE_CALCULATION
+
+struct FixedPointCoordinate;
+
+#include <string>
+#include <utility>
+
+namespace coordinate_calculation
+{
+    double
+    haversine_distance(const int lat1, const int lon1, const int lat2, const int lon2);
+
+    double haversine_distance(const FixedPointCoordinate &first_coordinate,
+                                 const FixedPointCoordinate &second_coordinate);
+
+    float great_circle_distance(const FixedPointCoordinate &first_coordinate,
+                             const FixedPointCoordinate &second_coordinate);
+
+    float great_circle_distance(const int lat1, const int lon1, const int lat2, const int lon2);
+
+    void lat_or_lon_to_string(const int value, std::string &output);
+
+    float perpendicular_distance(const FixedPointCoordinate &segment_source,
+                                 const FixedPointCoordinate &segment_target,
+                                 const FixedPointCoordinate &query_location);
+
+    float perpendicular_distance(const FixedPointCoordinate &segment_source,
+                                 const FixedPointCoordinate &segment_target,
+                                 const FixedPointCoordinate &query_location,
+                                 FixedPointCoordinate &nearest_location,
+                                 float &ratio);
+
+    float perpendicular_distance_from_projected_coordinate(
+        const FixedPointCoordinate &segment_source,
+        const FixedPointCoordinate &segment_target,
+        const FixedPointCoordinate &query_location,
+        const std::pair<double, double> &projected_coordinate);
+
+    float perpendicular_distance_from_projected_coordinate(
+        const FixedPointCoordinate &segment_source,
+        const FixedPointCoordinate &segment_target,
+        const FixedPointCoordinate &query_location,
+        const std::pair<double, double> &projected_coordinate,
+        FixedPointCoordinate &nearest_location,
+        float &ratio);
+
+    float deg_to_rad(const float degree);
+    float rad_to_deg(const float radian);
+
+    float bearing(const FixedPointCoordinate &first_coordinate,
+                  const FixedPointCoordinate &second_coordinate);
+}
+
+#endif // COORDINATE_CALCULATION

include/util/datastore_options.hpp

@@ -0,0 +1,282 @@
+/*
+
+Copyright (c) 2015, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef DATASTORE_OPTIONS_HPP
+#define DATASTORE_OPTIONS_HPP
+
+#include "util/version.hpp"
+#include "ini_file.hpp"
+#include "osrm_exception.hpp"
+#include "simple_logger.hpp"
+
+#include <boost/any.hpp>
+#include <boost/filesystem.hpp>
+#include <boost/program_options.hpp>
+
+#include <string>
+#include <unordered_map>
+
+// generate boost::program_options object for the routing part
+bool GenerateDataStoreOptions(const int argc, const char *argv[], std::unordered_map<std::string, boost::filesystem::path> &paths)
+{
+    // declare a group of options that will be allowed only on command line
+    boost::program_options::options_description generic_options("Options");
+    generic_options.add_options()("version,v", "Show version")("help,h", "Show this help message")(
+        "springclean,s", "Remove all regions in shared memory")(
+        "config,c", boost::program_options::value<boost::filesystem::path>(&paths["config"])
+                        ->default_value("server.ini"),
+        "Path to a configuration file");
+
+    // declare a group of options that will be allowed both on command line
+    // as well as in a config file
+    boost::program_options::options_description config_options("Configuration");
+    config_options.add_options()(
+        "hsgrdata", boost::program_options::value<boost::filesystem::path>(&paths["hsgrdata"]),
+        ".hsgr file")("nodesdata",
+                      boost::program_options::value<boost::filesystem::path>(&paths["nodesdata"]),
+                      ".nodes file")(
+        "edgesdata", boost::program_options::value<boost::filesystem::path>(&paths["edgesdata"]),
+        ".edges file")("geometry",
+                       boost::program_options::value<boost::filesystem::path>(&paths["geometry"]),
+                       ".geometry file")(
+        "ramindex", boost::program_options::value<boost::filesystem::path>(&paths["ramindex"]),
+        ".ramIndex file")(
+        "fileindex", boost::program_options::value<boost::filesystem::path>(&paths["fileindex"]),
+        ".fileIndex file")("core",
+                           boost::program_options::value<boost::filesystem::path>(&paths["core"]),
+                           ".core file")(
+        "namesdata", boost::program_options::value<boost::filesystem::path>(&paths["namesdata"]),
+        ".names file")("timestamp",
+                       boost::program_options::value<boost::filesystem::path>(&paths["timestamp"]),
+                       ".timestamp file");
+
+    // hidden options, will be allowed both on command line and in config
+    // file, but will not be shown to the user
+    boost::program_options::options_description hidden_options("Hidden options");
+    hidden_options.add_options()(
+        "base,b", boost::program_options::value<boost::filesystem::path>(&paths["base"]),
+        "base path to .osrm file");
+
+    // positional option
+    boost::program_options::positional_options_description positional_options;
+    positional_options.add("base", 1);
+
+    // combine above options for parsing
+    boost::program_options::options_description cmdline_options;
+    cmdline_options.add(generic_options).add(config_options).add(hidden_options);
+
+    boost::program_options::options_description config_file_options;
+    config_file_options.add(config_options).add(hidden_options);
+
+    boost::program_options::options_description visible_options(
+        boost::filesystem::basename(argv[0]) + " [<options>] <configuration>");
+    visible_options.add(generic_options).add(config_options);
+
+    // parse command line options
+    boost::program_options::variables_map option_variables;
+    boost::program_options::store(boost::program_options::command_line_parser(argc, argv)
+                                      .options(cmdline_options)
+                                      .positional(positional_options)
+                                      .run(),
+                                  option_variables);
+
+    if (option_variables.count("version"))
+    {
+        SimpleLogger().Write() << OSRM_VERSION;
+        return false;
+    }
+
+    if (option_variables.count("help"))
+    {
+        SimpleLogger().Write() << visible_options;
+        return false;
+    }
+
+    boost::program_options::notify(option_variables);
+
+    const bool parameter_present =
+        (paths.find("hsgrdata") != paths.end() &&
+         !paths.find("hsgrdata")->second.string().empty()) ||
+        (paths.find("nodesdata") != paths.end() &&
+         !paths.find("nodesdata")->second.string().empty()) ||
+        (paths.find("edgesdata") != paths.end() &&
+         !paths.find("edgesdata")->second.string().empty()) ||
+        (paths.find("geometry") != paths.end() &&
+         !paths.find("geometry")->second.string().empty()) ||
+        (paths.find("ramindex") != paths.end() &&
+         !paths.find("ramindex")->second.string().empty()) ||
+        (paths.find("fileindex") != paths.end() &&
+         !paths.find("fileindex")->second.string().empty()) ||
+        (paths.find("core") != paths.end() && !paths.find("core")->second.string().empty()) ||
+        (paths.find("timestamp") != paths.end() &&
+         !paths.find("timestamp")->second.string().empty());
+
+    if (parameter_present)
+    {
+        if ((paths.find("config") != paths.end() &&
+             boost::filesystem::is_regular_file(paths.find("config")->second)) ||
+            option_variables.count("base"))
+        {
+            SimpleLogger().Write(logWARNING) << "conflicting parameters";
+            SimpleLogger().Write() << visible_options;
+            return false;
+        }
+    }
+
+    // parse config file
+    auto path_iterator = paths.find("config");
+    if (path_iterator != paths.end() && boost::filesystem::is_regular_file(path_iterator->second) &&
+        !option_variables.count("base"))
+    {
+        SimpleLogger().Write() << "Reading options from: " << path_iterator->second.string();
+        std::string ini_file_contents = read_file_lower_content(path_iterator->second);
+        std::stringstream config_stream(ini_file_contents);
+        boost::program_options::store(parse_config_file(config_stream, config_file_options),
+                                      option_variables);
+        boost::program_options::notify(option_variables);
+    }
+    else if (option_variables.count("base"))
+    {
+        path_iterator = paths.find("base");
+        BOOST_ASSERT(paths.end() != path_iterator);
+        std::string base_string = path_iterator->second.string();
+
+        path_iterator = paths.find("hsgrdata");
+        if (path_iterator != paths.end())
+        {
+            path_iterator->second = base_string + ".hsgr";
+        }
+
+        path_iterator = paths.find("nodesdata");
+        if (path_iterator != paths.end())
+        {
+            path_iterator->second = base_string + ".nodes";
+        }
+
+        path_iterator = paths.find("edgesdata");
+        if (path_iterator != paths.end())
+        {
+            path_iterator->second = base_string + ".edges";
+        }
+
+        path_iterator = paths.find("geometry");
+        if (path_iterator != paths.end())
+        {
+            path_iterator->second = base_string + ".geometry";
+        }
+
+        path_iterator = paths.find("ramindex");
+        if (path_iterator != paths.end())
+        {
+            path_iterator->second = base_string + ".ramIndex";
+        }
+
+        path_iterator = paths.find("fileindex");
+        if (path_iterator != paths.end())
+        {
+            path_iterator->second = base_string + ".fileIndex";
+        }
+
+        path_iterator = paths.find("core");
+        if (path_iterator != paths.end())
+        {
+            path_iterator->second = base_string + ".core";
+        }
+
+        path_iterator = paths.find("namesdata");
+        if (path_iterator != paths.end())
+        {
+            path_iterator->second = base_string + ".names";
+        }
+
+        path_iterator = paths.find("timestamp");
+        if (path_iterator != paths.end())
+        {
+            path_iterator->second = base_string + ".timestamp";
+        }
+    }
+
+    path_iterator = paths.find("hsgrdata");
+    if (path_iterator == paths.end() || path_iterator->second.string().empty() ||
+        !boost::filesystem::is_regular_file(path_iterator->second))
+    {
+        throw osrm::exception("valid .hsgr file must be specified");
+    }
+
+    path_iterator = paths.find("nodesdata");
+    if (path_iterator == paths.end() || path_iterator->second.string().empty() ||
+        !boost::filesystem::is_regular_file(path_iterator->second))
+    {
+        throw osrm::exception("valid .nodes file must be specified");
+    }
+
+    path_iterator = paths.find("edgesdata");
+    if (path_iterator == paths.end() || path_iterator->second.string().empty() ||
+        !boost::filesystem::is_regular_file(path_iterator->second))
+    {
+        throw osrm::exception("valid .edges file must be specified");
+    }
+
+    path_iterator = paths.find("geometry");
+    if (path_iterator == paths.end() || path_iterator->second.string().empty() ||
+        !boost::filesystem::is_regular_file(path_iterator->second))
+    {
+        throw osrm::exception("valid .geometry file must be specified");
+    }
+
+    path_iterator = paths.find("ramindex");
+    if (path_iterator == paths.end() || path_iterator->second.string().empty() ||
+        !boost::filesystem::is_regular_file(path_iterator->second))
+    {
+        throw osrm::exception("valid .ramindex file must be specified");
+    }
+
+    path_iterator = paths.find("fileindex");
+    if (path_iterator == paths.end() || path_iterator->second.string().empty() ||
+        !boost::filesystem::is_regular_file(path_iterator->second))
+    {
+        throw osrm::exception("valid .fileindex file must be specified");
+    }
+
+    path_iterator = paths.find("namesdata");
+    if (path_iterator == paths.end() || path_iterator->second.string().empty() ||
+        !boost::filesystem::is_regular_file(path_iterator->second))
+    {
+        throw osrm::exception("valid .names file must be specified");
+    }
+
+    path_iterator = paths.find("timestamp");
+    if (path_iterator == paths.end() || path_iterator->second.string().empty() ||
+        !boost::filesystem::is_regular_file(path_iterator->second))
+    {
+        throw osrm::exception("valid .timestamp file must be specified");
+    }
+
+    return true;
+}
+
+#endif /* DATASTORE_OPTIONS_HPP */

include/util/deallocating_vector.hpp

@@ -0,0 +1,403 @@
+/*
+
+Copyright (c) 2015, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef DEALLOCATING_VECTOR_HPP
+#define DEALLOCATING_VECTOR_HPP
+
+#include "../util/integer_range.hpp"
+
+#include <boost/iterator/iterator_facade.hpp>
+
+#include <limits>
+#include <utility>
+#include <vector>
+
+template <typename ElementT> struct ConstDeallocatingVectorIteratorState
+{
+    ConstDeallocatingVectorIteratorState()
+        : index(std::numeric_limits<std::size_t>::max()), bucket_list(nullptr)
+    {
+    }
+    explicit ConstDeallocatingVectorIteratorState(const ConstDeallocatingVectorIteratorState &r)
+        : index(r.index), bucket_list(r.bucket_list)
+    {
+    }
+    explicit ConstDeallocatingVectorIteratorState(const std::size_t idx,
+                                             const std::vector<ElementT *> *input_list)
+        : index(idx), bucket_list(input_list)
+    {
+    }
+    std::size_t index;
+    const std::vector<ElementT *> *bucket_list;
+
+    ConstDeallocatingVectorIteratorState &operator=(const ConstDeallocatingVectorIteratorState &other)
+    {
+        index = other.index;
+        bucket_list = other.bucket_list;
+        return *this;
+    }
+};
+
+template <typename ElementT> struct DeallocatingVectorIteratorState
+{
+    DeallocatingVectorIteratorState()
+        : index(std::numeric_limits<std::size_t>::max()), bucket_list(nullptr)
+    {
+    }
+    explicit DeallocatingVectorIteratorState(const DeallocatingVectorIteratorState &r)
+        : index(r.index), bucket_list(r.bucket_list)
+    {
+    }
+    explicit DeallocatingVectorIteratorState(const std::size_t idx,
+                                             std::vector<ElementT *> *input_list)
+        : index(idx), bucket_list(input_list)
+    {
+    }
+    std::size_t index;
+    std::vector<ElementT *> *bucket_list;
+
+    DeallocatingVectorIteratorState &operator=(const DeallocatingVectorIteratorState &other)
+    {
+        index = other.index;
+        bucket_list = other.bucket_list;
+        return *this;
+    }
+};
+
+template <typename ElementT, std::size_t ELEMENTS_PER_BLOCK>
+class ConstDeallocatingVectorIterator
+    : public boost::iterator_facade<ConstDeallocatingVectorIterator<ElementT, ELEMENTS_PER_BLOCK>,
+                                    ElementT,
+                                    std::random_access_iterator_tag>
+{
+    ConstDeallocatingVectorIteratorState<ElementT> current_state;
+
+  public:
+    ConstDeallocatingVectorIterator() {}
+    ConstDeallocatingVectorIterator(std::size_t idx, const std::vector<ElementT *> *input_list)
+        : current_state(idx, input_list)
+    {
+    }
+
+    friend class boost::iterator_core_access;
+
+    void advance(std::size_t n) { current_state.index += n; }
+
+    void increment() { advance(1); }
+
+    void decrement() { advance(-1); }
+
+    bool equal(ConstDeallocatingVectorIterator const &other) const
+    {
+        return current_state.index == other.current_state.index;
+    }
+
+    std::ptrdiff_t distance_to(ConstDeallocatingVectorIterator const &other) const
+    {
+        // it is important to implement it 'other minus this'. otherwise sorting breaks
+        return other.current_state.index - current_state.index;
+    }
+
+    ElementT &dereference() const
+    {
+        const std::size_t current_bucket = current_state.index / ELEMENTS_PER_BLOCK;
+        const std::size_t current_index = current_state.index % ELEMENTS_PER_BLOCK;
+        return (current_state.bucket_list->at(current_bucket)[current_index]);
+    }
+
+    ElementT &operator[](const std::size_t index) const
+    {
+        const std::size_t current_bucket = (index + current_state.index) / ELEMENTS_PER_BLOCK;
+        const std::size_t current_index = (index + current_state.index) % ELEMENTS_PER_BLOCK;
+        return (current_state.bucket_list->at(current_bucket)[current_index]);
+    }
+};
+
+template <typename ElementT, std::size_t ELEMENTS_PER_BLOCK>
+class DeallocatingVectorIterator
+    : public boost::iterator_facade<DeallocatingVectorIterator<ElementT, ELEMENTS_PER_BLOCK>,
+                                    ElementT,
+                                    std::random_access_iterator_tag>
+{
+    DeallocatingVectorIteratorState<ElementT> current_state;
+
+  public:
+    DeallocatingVectorIterator() {}
+    DeallocatingVectorIterator(std::size_t idx, std::vector<ElementT *> *input_list)
+        : current_state(idx, input_list)
+    {
+    }
+
+    friend class boost::iterator_core_access;
+
+    void advance(std::size_t n) { current_state.index += n; }
+
+    void increment() { advance(1); }
+
+    void decrement() { advance(-1); }
+
+    bool equal(DeallocatingVectorIterator const &other) const
+    {
+        return current_state.index == other.current_state.index;
+    }
+
+    std::ptrdiff_t distance_to(DeallocatingVectorIterator const &other) const
+    {
+        // it is important to implement it 'other minus this'. otherwise sorting breaks
+        return other.current_state.index - current_state.index;
+    }
+
+    ElementT &dereference() const
+    {
+        const std::size_t current_bucket = current_state.index / ELEMENTS_PER_BLOCK;
+        const std::size_t current_index = current_state.index % ELEMENTS_PER_BLOCK;
+        return (current_state.bucket_list->at(current_bucket)[current_index]);
+    }
+
+    ElementT &operator[](const std::size_t index) const
+    {
+        const std::size_t current_bucket = (index + current_state.index) / ELEMENTS_PER_BLOCK;
+        const std::size_t current_index = (index + current_state.index) % ELEMENTS_PER_BLOCK;
+        return (current_state.bucket_list->at(current_bucket)[current_index]);
+    }
+};
+
+template <typename ElementT, std::size_t ELEMENTS_PER_BLOCK>
+class DeallocatingVectorRemoveIterator
+    : public boost::iterator_facade<DeallocatingVectorRemoveIterator<ElementT, ELEMENTS_PER_BLOCK>,
+                                    ElementT,
+                                    boost::forward_traversal_tag>
+{
+    DeallocatingVectorIteratorState<ElementT> current_state;
+
+  public:
+    DeallocatingVectorRemoveIterator(std::size_t idx, std::vector<ElementT *> *input_list)
+        : current_state(idx, input_list)
+    {
+    }
+
+    friend class boost::iterator_core_access;
+
+    void increment()
+    {
+        const std::size_t old_bucket = current_state.index / ELEMENTS_PER_BLOCK;
+
+        ++current_state.index;
+        const std::size_t new_bucket = current_state.index / ELEMENTS_PER_BLOCK;
+        if (old_bucket != new_bucket)
+        {
+            // delete old bucket entry
+            if (nullptr != current_state.bucket_list->at(old_bucket))
+            {
+                delete[] current_state.bucket_list->at(old_bucket);
+                current_state.bucket_list->at(old_bucket) = nullptr;
+            }
+        }
+    }
+
+    bool equal(DeallocatingVectorRemoveIterator const &other) const
+    {
+        return current_state.index == other.current_state.index;
+    }
+
+    std::ptrdiff_t distance_to(DeallocatingVectorRemoveIterator const &other) const
+    {
+        return other.current_state.index - current_state.index;
+    }
+
+    ElementT &dereference() const
+    {
+        const std::size_t current_bucket = current_state.index / ELEMENTS_PER_BLOCK;
+        const std::size_t current_index = current_state.index % ELEMENTS_PER_BLOCK;
+        return (current_state.bucket_list->at(current_bucket)[current_index]);
+    }
+};
+
+template <typename ElementT, std::size_t ELEMENTS_PER_BLOCK>
+class DeallocatingVector;
+
+template<typename T, std::size_t S>
+void swap(DeallocatingVector<T, S>& lhs, DeallocatingVector<T, S>& rhs);
+
+template <typename ElementT, std::size_t ELEMENTS_PER_BLOCK = 8388608 / sizeof(ElementT)>
+class DeallocatingVector
+{
+    std::size_t current_size;
+    std::vector<ElementT *> bucket_list;
+
+  public:
+    using iterator = DeallocatingVectorIterator<ElementT, ELEMENTS_PER_BLOCK>;
+    using const_iterator = ConstDeallocatingVectorIterator<ElementT, ELEMENTS_PER_BLOCK>;
+
+    // this forward-only iterator deallocates all buckets that have been visited
+    using deallocation_iterator = DeallocatingVectorRemoveIterator<ElementT, ELEMENTS_PER_BLOCK>;
+
+    DeallocatingVector() : current_size(0)
+    {
+        bucket_list.emplace_back(new ElementT[ELEMENTS_PER_BLOCK]);
+    }
+
+    ~DeallocatingVector() { clear(); }
+
+    friend void swap<>(DeallocatingVector<ElementT, ELEMENTS_PER_BLOCK>& lhs, DeallocatingVector<ElementT, ELEMENTS_PER_BLOCK>& rhs);
+
+    void swap(DeallocatingVector<ElementT, ELEMENTS_PER_BLOCK> &other)
+    {
+        std::swap(current_size, other.current_size);
+        bucket_list.swap(other.bucket_list);
+    }
+
+    void clear()
+    {
+        // Delete[]'ing ptr's to all Buckets
+        for (auto bucket : bucket_list)
+        {
+            if (nullptr != bucket)
+            {
+                delete[] bucket;
+                bucket = nullptr;
+            }
+        }
+        bucket_list.clear();
+        bucket_list.shrink_to_fit();
+        current_size = 0;
+    }
+
+    void push_back(const ElementT &element)
+    {
+        const std::size_t current_capacity = capacity();
+        if (current_size == current_capacity)
+        {
+            bucket_list.push_back(new ElementT[ELEMENTS_PER_BLOCK]);
+        }
+
+        std::size_t current_index = size() % ELEMENTS_PER_BLOCK;
+        bucket_list.back()[current_index] = element;
+        ++current_size;
+    }
+
+    template <typename... Ts> void emplace_back(Ts &&... element)
+    {
+        const std::size_t current_capacity = capacity();
+        if (current_size == current_capacity)
+        {
+            bucket_list.push_back(new ElementT[ELEMENTS_PER_BLOCK]);
+        }
+
+        const std::size_t current_index = size() % ELEMENTS_PER_BLOCK;
+        bucket_list.back()[current_index] = ElementT(std::forward<Ts>(element)...);
+        ++current_size;
+    }
+
+    void reserve(const std::size_t) const { /* don't do anything */}
+
+    void resize(const std::size_t new_size)
+    {
+        if (new_size >= current_size)
+        {
+            while (capacity() < new_size)
+            {
+                bucket_list.push_back(new ElementT[ELEMENTS_PER_BLOCK]);
+            }
+        }
+        else
+        { // down-size
+            const std::size_t number_of_necessary_buckets = 1 + (new_size / ELEMENTS_PER_BLOCK);
+            for (const auto bucket_index :
+                 osrm::irange(number_of_necessary_buckets, bucket_list.size()))
+            {
+                if (nullptr != bucket_list[bucket_index])
+                {
+                    delete[] bucket_list[bucket_index];
+                }
+            }
+            bucket_list.resize(number_of_necessary_buckets);
+        }
+        current_size = new_size;
+    }
+
+    std::size_t size() const { return current_size; }
+
+    std::size_t capacity() const { return bucket_list.size() * ELEMENTS_PER_BLOCK; }
+
+    iterator begin() { return iterator(static_cast<std::size_t>(0), &bucket_list); }
+
+    iterator end() { return iterator(size(), &bucket_list); }
+
+    deallocation_iterator dbegin()
+    {
+        return deallocation_iterator(static_cast<std::size_t>(0), &bucket_list);
+    }
+
+    deallocation_iterator dend() { return deallocation_iterator(size(), &bucket_list); }
+
+    const_iterator begin() const
+    {
+        return const_iterator(static_cast<std::size_t>(0), &bucket_list);
+    }
+
+    const_iterator end() const { return const_iterator(size(), &bucket_list); }
+
+    ElementT &operator[](const std::size_t index)
+    {
+        const std::size_t _bucket = index / ELEMENTS_PER_BLOCK;
+        const std::size_t _index = index % ELEMENTS_PER_BLOCK;
+        return (bucket_list[_bucket][_index]);
+    }
+
+    ElementT &operator[](const std::size_t index) const
+    {
+        const std::size_t _bucket = index / ELEMENTS_PER_BLOCK;
+        const std::size_t _index = index % ELEMENTS_PER_BLOCK;
+        return (bucket_list[_bucket][_index]);
+    }
+
+    ElementT &back() const
+    {
+        const std::size_t _bucket = current_size / ELEMENTS_PER_BLOCK;
+        const std::size_t _index = current_size % ELEMENTS_PER_BLOCK;
+        return (bucket_list[_bucket][_index]);
+    }
+
+    template <class InputIterator> void append(InputIterator first, const InputIterator last)
+    {
+        InputIterator position = first;
+        while (position != last)
+        {
+            push_back(*position);
+            ++position;
+        }
+    }
+};
+
+template<typename T, std::size_t S>
+void swap(DeallocatingVector<T, S>& lhs, DeallocatingVector<T, S>& rhs)
+{
+    lhs.swap(rhs);
+}
+
+#endif /* DEALLOCATING_VECTOR_HPP */

include/util/debug_geometry.hpp

@@ -0,0 +1,198 @@
+/*
+
+Copyright (c) 2015, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef DEBUG_GEOMETRY_H
+#define DEBUG_GEOMETRY_H
+
+#include "../contractor/contractor_options.hpp"
+#include "../data_structures/query_node.hpp"
+
+#ifndef DEBUG_GEOMETRY
+
+inline void DEBUG_GEOMETRY_START(ContractorConfig & /* config */) {}
+inline void DEBUG_GEOMETRY_EDGE(int /* new_segment_weight */ , double /* segment_length */,
+        OSMNodeID /* previous_osm_node_id */, OSMNodeID /* this_osm_node_id */) {}
+inline void DEBUG_GEOMETRY_STOP() {}
+
+inline void DEBUG_TURNS_START(const std::string & /* debug_turns_filename */) {}
+inline void DEBUG_TURN( const NodeID /* node */, const std::vector<QueryNode>& /* m_node_info_list */,
+        const FixedPointCoordinate & /* first_coordinate */, const int /* turn_angle */,
+        const int /* turn_penalty */) {}
+inline void DEBUG_UTURN( const NodeID /* node */, const std::vector<QueryNode>& /* m_node_info_list */,
+        const int /* uturn_penalty */ ) {}
+inline void DEBUG_SIGNAL( const NodeID /* node */, const std::vector<QueryNode>& /* m_node_info_list */,
+        const int /* signal_penalty */ ) {}
+
+inline void DEBUG_TURNS_STOP() {}
+
+#else // DEBUG_GEOMETRY
+
+#include <boost/filesystem.hpp>
+#include <ctime>
+#include <string>
+#include <iomanip>
+#include <iostream>
+
+#include "../include/osrm/coordinate.hpp"
+#include "../algorithms/coordinate_calculation.hpp"
+
+boost::filesystem::ofstream debug_geometry_file;
+bool dg_output_debug_geometry = false;
+bool dg_first_debug_geometry = true;
+char dg_time_buffer[80];
+
+boost::filesystem::ofstream dg_debug_turns_file;
+bool dg_output_turn_debug = false;
+bool dg_first_turn_debug = true;
+
+inline void DEBUG_GEOMETRY_START(const ContractorConfig &config)
+{
+    time_t raw_time;
+    struct tm *timeinfo;
+    time(&raw_time);
+    timeinfo = localtime(&raw_time);
+    strftime(dg_time_buffer, 80, "%Y-%m-%d %H:%M %Z", timeinfo);
+
+    dg_output_debug_geometry = config.debug_geometry_path != "";
+
+    if (dg_output_debug_geometry)
+    {
+        debug_geometry_file.open(config.debug_geometry_path, std::ios::binary);
+        debug_geometry_file << "{\"type\":\"FeatureCollection\", \"features\":[" << std::endl;
+    }
+}
+
+inline void DEBUG_GEOMETRY_EDGE(int new_segment_weight, double segment_length, OSMNodeID previous_osm_node_id, OSMNodeID this_osm_node_id)
+{
+    if (dg_output_debug_geometry)
+    {
+        if (!dg_first_debug_geometry)
+            debug_geometry_file << "," << std::endl;
+        debug_geometry_file
+            << "{ \"type\":\"Feature\",\"properties\":{\"original\":false, "
+               "\"weight\":"
+            << new_segment_weight / 10.0 << ",\"speed\":"
+            << static_cast<int>(
+                   std::floor((segment_length / new_segment_weight) * 10. * 3.6))
+            << ",";
+        debug_geometry_file << "\"from_node\": " << previous_osm_node_id
+                            << ", \"to_node\": " << this_osm_node_id << ",";
+        debug_geometry_file << "\"timestamp\": \"" << dg_time_buffer << "\"},";
+        debug_geometry_file
+            << "\"geometry\":{\"type\":\"LineString\",\"coordinates\":[[!!"
+            << previous_osm_node_id << "!!],[!!" << this_osm_node_id << "!!]]}}"
+            << std::endl;
+        dg_first_debug_geometry = false;
+    }
+}
+
+inline void DEBUG_GEOMETRY_STOP()
+{
+    if (dg_output_debug_geometry)
+    {
+        debug_geometry_file << std::endl << "]}" << std::endl;
+        debug_geometry_file.close();
+    }
+}
+
+
+inline void DEBUG_TURNS_START(const std::string & debug_turns_path)
+{   
+    dg_output_turn_debug = debug_turns_path != "";
+    if (dg_output_turn_debug) 
+    {
+        dg_debug_turns_file.open(debug_turns_path);
+        dg_debug_turns_file << "{\"type\":\"FeatureCollection\", \"features\":[" << std::endl;
+    }
+} 
+
+inline void DEBUG_SIGNAL(
+        const NodeID node, 
+        const std::vector<QueryNode>& m_node_info_list,
+        const int traffic_signal_penalty)
+{
+    if (dg_output_turn_debug)
+    {
+        const QueryNode &nodeinfo = m_node_info_list[node];
+        if (!dg_first_turn_debug) dg_debug_turns_file << "," << std::endl;
+        dg_debug_turns_file << "{ \"type\":\"Feature\",\"properties\":{\"type\":\"trafficlights\",\"cost\":" << traffic_signal_penalty/10. << "},";
+        dg_debug_turns_file << " \"geometry\":{\"type\":\"Point\",\"coordinates\":[" << std::setprecision(12) << nodeinfo.lon/COORDINATE_PRECISION << "," << nodeinfo.lat/COORDINATE_PRECISION << "]}}";
+        dg_first_turn_debug = false;
+    }
+}
+
+inline void DEBUG_UTURN(
+        const NodeID node, 
+        const std::vector<QueryNode>& m_node_info_list,
+        const int traffic_signal_penalty)
+{
+    if (dg_output_turn_debug)
+    {
+        const QueryNode &nodeinfo = m_node_info_list[node];
+        if (!dg_first_turn_debug) dg_debug_turns_file << "," << std::endl;
+        dg_debug_turns_file << "{ \"type\":\"Feature\",\"properties\":{\"type\":\"trafficlights\",\"cost\":" << traffic_signal_penalty/10. << "},";
+        dg_debug_turns_file << " \"geometry\":{\"type\":\"Point\",\"coordinates\":[" << std::setprecision(12) << nodeinfo.lon/COORDINATE_PRECISION << "," << nodeinfo.lat/COORDINATE_PRECISION << "]}}";
+        dg_first_turn_debug = false;
+    }
+}
+
+
+inline void DEBUG_TURN(
+        const NodeID node, 
+        const std::vector<QueryNode>& m_node_info_list,
+        const FixedPointCoordinate & first_coordinate,
+        const int turn_angle,
+        const int turn_penalty)
+{
+    if (turn_penalty > 0 && dg_output_turn_debug) 
+    {
+        const QueryNode &v = m_node_info_list[node];
+
+        const float bearing_uv = coordinate_calculation::bearing(first_coordinate,v);
+        float uvw_normal = bearing_uv + turn_angle/2;
+        while (uvw_normal >= 360.) { uvw_normal -= 360.; }
+
+        if (!dg_first_turn_debug) dg_debug_turns_file << "," << std::endl;
+        dg_debug_turns_file << "{ \"type\":\"Feature\",\"properties\":{\"type\":\"turn\",\"cost\":" << turn_penalty/10. << ",\"turn_angle\":" << static_cast<int>(turn_angle) << ",\"normal\":" << static_cast<int>(uvw_normal) << "},";
+        dg_debug_turns_file << " \"geometry\":{\"type\":\"Point\",\"coordinates\":[" << std::setprecision(12) << v.lon/COORDINATE_PRECISION << "," << v.lat/COORDINATE_PRECISION << "]}}";
+        dg_first_turn_debug = false;
+    }
+}
+
+inline void DEBUG_TURNS_STOP()
+{
+    if (dg_output_turn_debug)
+    {
+        dg_debug_turns_file << std::endl << "]}" << std::endl;
+        dg_debug_turns_file.close();
+    }
+}
+
+#endif // DEBUG_GEOMETRY
+
+
+#endif // DEBUG_GEOMETRY_H

include/util/dist_table_wrapper.hpp

@@ -0,0 +1,88 @@
+/*
+
+Copyright (c) 2015, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef DIST_TABLE_WRAPPER_H
+#define DIST_TABLE_WRAPPER_H
+
+#include <vector>
+#include <utility>
+#include <boost/assert.hpp>
+#include <cstddef>
+
+// This Wrapper provides an easier access to a distance table that is given as an linear vector
+
+template <typename T> class DistTableWrapper
+{
+  public:
+    using Iterator = typename std::vector<T>::iterator;
+    using ConstIterator = typename std::vector<T>::const_iterator;
+
+    DistTableWrapper(std::vector<T> table, std::size_t number_of_nodes)
+        : table_(std::move(table)), number_of_nodes_(number_of_nodes)
+    {
+        BOOST_ASSERT_MSG(table.size() == 0, "table is empty");
+        BOOST_ASSERT_MSG(number_of_nodes_ * number_of_nodes_ <= table_.size(),
+                         "number_of_nodes_ is invalid");
+    };
+
+    std::size_t GetNumberOfNodes() const { return number_of_nodes_; }
+
+    std::size_t size() const { return table_.size(); }
+
+    EdgeWeight operator()(NodeID from, NodeID to) const
+    {
+        BOOST_ASSERT_MSG(from < number_of_nodes_, "from ID is out of bound");
+        BOOST_ASSERT_MSG(to < number_of_nodes_, "to ID is out of bound");
+
+        const auto index = from * number_of_nodes_ + to;
+
+        BOOST_ASSERT_MSG(index < table_.size(), "index is out of bound");
+
+        return table_[index];
+    }
+
+    ConstIterator begin() const { return std::begin(table_); }
+
+    Iterator begin() { return std::begin(table_); }
+
+    ConstIterator end() const { return std::end(table_); }
+
+    Iterator end() { return std::end(table_); }
+
+    NodeID GetIndexOfMaxValue() const
+    {
+        return std::distance(table_.begin(), std::max_element(table_.begin(), table_.end()));
+    }
+
+    std::vector<T> GetTable() const { return table_; }
+
+  private:
+    std::vector<T> table_;
+    const std::size_t number_of_nodes_;
+};
+
+#endif // DIST_TABLE_WRAPPER_H

include/util/dynamic_graph.hpp

@@ -0,0 +1,345 @@
+/*
+
+Copyright (c) 2015, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef DYNAMICGRAPH_HPP
+#define DYNAMICGRAPH_HPP
+
+#include "deallocating_vector.hpp"
+#include "../util/integer_range.hpp"
+#include "../typedefs.h"
+
+#include <boost/assert.hpp>
+
+#include <cstdint>
+
+#include <algorithm>
+#include <atomic>
+#include <limits>
+#include <tuple>
+#include <vector>
+
+template <typename EdgeDataT> class DynamicGraph
+{
+  public:
+    using EdgeData = EdgeDataT;
+    using NodeIterator = unsigned;
+    using EdgeIterator = unsigned;
+    using EdgeRange = osrm::range<EdgeIterator>;
+
+    class InputEdge
+    {
+      public:
+        NodeIterator source;
+        NodeIterator target;
+        EdgeDataT data;
+
+        InputEdge()
+            : source(std::numeric_limits<NodeIterator>::max()),
+              target(std::numeric_limits<NodeIterator>::max())
+        {
+        }
+
+        template <typename... Ts>
+        InputEdge(NodeIterator source, NodeIterator target, Ts &&... data)
+            : source(source), target(target), data(std::forward<Ts>(data)...)
+        {
+        }
+
+        bool operator<(const InputEdge &rhs) const
+        {
+            return std::tie(source, target) < std::tie(rhs.source, rhs.target);
+        }
+    };
+
+    // Constructs an empty graph with a given number of nodes.
+    explicit DynamicGraph(NodeIterator nodes) : number_of_nodes(nodes), number_of_edges(0)
+    {
+        node_array.reserve(number_of_nodes);
+        node_array.resize(number_of_nodes);
+
+        edge_list.reserve(number_of_nodes * 1.1);
+        edge_list.resize(number_of_nodes);
+    }
+
+    /**
+     * Constructs a DynamicGraph from a list of edges sorted by source node id.
+     */
+    template <class ContainerT> DynamicGraph(const NodeIterator nodes, const ContainerT &graph)
+    {
+        // we need to cast here because DeallocatingVector does not have a valid const iterator
+        BOOST_ASSERT(std::is_sorted(const_cast<ContainerT&>(graph).begin(), const_cast<ContainerT&>(graph).end()));
+
+        number_of_nodes = nodes;
+        number_of_edges = static_cast<EdgeIterator>(graph.size());
+        node_array.resize(number_of_nodes + 1);
+        EdgeIterator edge = 0;
+        EdgeIterator position = 0;
+        for (const auto node : osrm::irange(0u, number_of_nodes))
+        {
+            EdgeIterator last_edge = edge;
+            while (edge < number_of_edges && graph[edge].source == node)
+            {
+                ++edge;
+            }
+            node_array[node].first_edge = position;
+            node_array[node].edges = edge - last_edge;
+            position += node_array[node].edges;
+        }
+        node_array.back().first_edge = position;
+        edge_list.reserve(static_cast<std::size_t>(edge_list.size() * 1.1));
+        edge_list.resize(position);
+        edge = 0;
+        for (const auto node : osrm::irange(0u, number_of_nodes))
+        {
+            for (const auto i : osrm::irange(node_array[node].first_edge,
+                                             node_array[node].first_edge + node_array[node].edges))
+            {
+                edge_list[i].target = graph[edge].target;
+                BOOST_ASSERT(edge_list[i].target < number_of_nodes);
+                edge_list[i].data = graph[edge].data;
+                ++edge;
+            }
+        }
+    }
+
+    ~DynamicGraph() {}
+
+    unsigned GetNumberOfNodes() const { return number_of_nodes; }
+
+    unsigned GetNumberOfEdges() const { return number_of_edges; }
+
+    unsigned GetOutDegree(const NodeIterator n) const { return node_array[n].edges; }
+
+    unsigned GetDirectedOutDegree(const NodeIterator n) const
+    {
+        unsigned degree = 0;
+        for (const auto edge : osrm::irange(BeginEdges(n), EndEdges(n)))
+        {
+            if (!GetEdgeData(edge).reversed)
+            {
+                ++degree;
+            }
+        }
+        return degree;
+    }
+
+    NodeIterator GetTarget(const EdgeIterator e) const { return NodeIterator(edge_list[e].target); }
+
+    void SetTarget(const EdgeIterator e, const NodeIterator n) { edge_list[e].target = n; }
+
+    EdgeDataT &GetEdgeData(const EdgeIterator e) { return edge_list[e].data; }
+
+    const EdgeDataT &GetEdgeData(const EdgeIterator e) const { return edge_list[e].data; }
+
+    EdgeIterator BeginEdges(const NodeIterator n) const
+    {
+        return EdgeIterator(node_array[n].first_edge);
+    }
+
+    EdgeIterator EndEdges(const NodeIterator n) const
+    {
+        return EdgeIterator(node_array[n].first_edge + node_array[n].edges);
+    }
+
+    EdgeRange GetAdjacentEdgeRange(const NodeIterator node) const
+    {
+        return osrm::irange(BeginEdges(node), EndEdges(node));
+    }
+
+    NodeIterator InsertNode()
+    {
+        node_array.emplace_back(node_array.back());
+        number_of_nodes += 1;
+
+        return number_of_nodes;
+    }
+
+    // adds an edge. Invalidates edge iterators for the source node
+    EdgeIterator InsertEdge(const NodeIterator from, const NodeIterator to, const EdgeDataT &data)
+    {
+        Node &node = node_array[from];
+        EdgeIterator newFirstEdge = node.edges + node.first_edge;
+        if (newFirstEdge >= edge_list.size() || !isDummy(newFirstEdge))
+        {
+            if (node.first_edge != 0 && isDummy(node.first_edge - 1))
+            {
+                node.first_edge--;
+                edge_list[node.first_edge] = edge_list[node.first_edge + node.edges];
+            }
+            else
+            {
+                EdgeIterator newFirstEdge = (EdgeIterator)edge_list.size();
+                unsigned newSize = node.edges * 1.1 + 2;
+                EdgeIterator requiredCapacity = newSize + edge_list.size();
+                EdgeIterator oldCapacity = edge_list.capacity();
+                if (requiredCapacity >= oldCapacity)
+                {
+                    edge_list.reserve(requiredCapacity * 1.1);
+                }
+                edge_list.resize(edge_list.size() + newSize);
+                for (const auto i : osrm::irange(0u, node.edges))
+                {
+                    edge_list[newFirstEdge + i] = edge_list[node.first_edge + i];
+                    makeDummy(node.first_edge + i);
+                }
+                for (const auto i : osrm::irange(node.edges + 1, newSize))
+                {
+                    makeDummy(newFirstEdge + i);
+                }
+                node.first_edge = newFirstEdge;
+            }
+        }
+        Edge &edge = edge_list[node.first_edge + node.edges];
+        edge.target = to;
+        edge.data = data;
+        ++number_of_edges;
+        ++node.edges;
+        return EdgeIterator(node.first_edge + node.edges);
+    }
+
+    // removes an edge. Invalidates edge iterators for the source node
+    void DeleteEdge(const NodeIterator source, const EdgeIterator e)
+    {
+        Node &node = node_array[source];
+        --number_of_edges;
+        --node.edges;
+        BOOST_ASSERT(std::numeric_limits<unsigned>::max() != node.edges);
+        const unsigned last = node.first_edge + node.edges;
+        BOOST_ASSERT(std::numeric_limits<unsigned>::max() != last);
+        // swap with last edge
+        edge_list[e] = edge_list[last];
+        makeDummy(last);
+    }
+
+    // removes all edges (source,target)
+    int32_t DeleteEdgesTo(const NodeIterator source, const NodeIterator target)
+    {
+        int32_t deleted = 0;
+        for (EdgeIterator i = BeginEdges(source), iend = EndEdges(source); i < iend - deleted; ++i)
+        {
+            if (edge_list[i].target == target)
+            {
+                do
+                {
+                    deleted++;
+                    edge_list[i] = edge_list[iend - deleted];
+                    makeDummy(iend - deleted);
+                } while (i < iend - deleted && edge_list[i].target == target);
+            }
+        }
+
+        number_of_edges -= deleted;
+        node_array[source].edges -= deleted;
+
+        return deleted;
+    }
+
+    // searches for a specific edge
+    EdgeIterator FindEdge(const NodeIterator from, const NodeIterator to) const
+    {
+        for (const auto i : osrm::irange(BeginEdges(from), EndEdges(from)))
+        {
+            if (to == edge_list[i].target)
+            {
+                return i;
+            }
+        }
+        return SPECIAL_EDGEID;
+    }
+
+    // searches for a specific edge
+    EdgeIterator FindSmallestEdge(const NodeIterator from, const NodeIterator to) const
+    {
+        EdgeIterator smallest_edge = SPECIAL_EDGEID;
+        EdgeWeight smallest_weight = INVALID_EDGE_WEIGHT;
+        for (auto edge : GetAdjacentEdgeRange(from))
+        {
+            const NodeID target = GetTarget(edge);
+            const EdgeWeight weight = GetEdgeData(edge).distance;
+            if (target == to && weight < smallest_weight)
+            {
+                smallest_edge = edge;
+                smallest_weight = weight;
+            }
+        }
+        return smallest_edge;
+    }
+
+    EdgeIterator FindEdgeInEitherDirection(const NodeIterator from, const NodeIterator to) const
+    {
+        EdgeIterator tmp = FindEdge(from, to);
+        return (SPECIAL_NODEID != tmp ? tmp : FindEdge(to, from));
+    }
+
+    EdgeIterator
+    FindEdgeIndicateIfReverse(const NodeIterator from, const NodeIterator to, bool &result) const
+    {
+        EdgeIterator current_iterator = FindEdge(from, to);
+        if (SPECIAL_NODEID == current_iterator)
+        {
+            current_iterator = FindEdge(to, from);
+            if (SPECIAL_NODEID != current_iterator)
+            {
+                result = true;
+            }
+        }
+        return current_iterator;
+    }
+
+  protected:
+    bool isDummy(const EdgeIterator edge) const
+    {
+        return edge_list[edge].target == (std::numeric_limits<NodeIterator>::max)();
+    }
+
+    void makeDummy(const EdgeIterator edge)
+    {
+        edge_list[edge].target = (std::numeric_limits<NodeIterator>::max)();
+    }
+
+    struct Node
+    {
+        // index of the first edge
+        EdgeIterator first_edge;
+        // amount of edges
+        unsigned edges;
+    };
+
+    struct Edge
+    {
+        NodeIterator target;
+        EdgeDataT data;
+    };
+
+    NodeIterator number_of_nodes;
+    std::atomic_uint number_of_edges;
+
+    std::vector<Node> node_array;
+    DeallocatingVector<Edge> edge_list;
+};
+
+#endif // DYNAMICGRAPH_HPP

include/util/fingerprint.hpp

@@ -0,0 +1,61 @@
+/*
+
+Copyright (c) 2015, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef FINGERPRINT_H
+#define FINGERPRINT_H
+
+#include <boost/uuid/uuid.hpp>
+#include <type_traits>
+
+// implements a singleton, i.e. there is one and only one conviguration object
+class FingerPrint
+{
+  public:
+    static FingerPrint GetValid();
+    const boost::uuids::uuid &GetFingerPrint() const;
+    bool IsMagicNumberOK(const FingerPrint &other) const;
+    bool TestGraphUtil(const FingerPrint &other) const;
+    bool TestPrepare(const FingerPrint &other) const;
+    bool TestRTree(const FingerPrint &other) const;
+    bool TestQueryObjects(const FingerPrint &other) const;
+
+  private:
+    unsigned magic_number;
+    char md5_prepare[33];
+    char md5_tree[33];
+    char md5_graph[33];
+    char md5_objects[33];
+
+    // initialize to {6ba7b810-9dad-11d1-80b4-00c04fd430c8}
+    boost::uuids::uuid named_uuid;
+
+};
+
+static_assert(std::is_trivial<FingerPrint>::value, "FingerPrint needs to be trivial.");
+
+
+#endif /* FingerPrint_H */

include/util/fingerprint_impl.hpp.in

@@ -0,0 +1,112 @@
+/*
+
+Copyright (c) 2015, Project OSRM, Dennis Luxen, others
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#include "util/osrm_exception.hpp"
+
+#include <boost/uuid/name_generator.hpp>
+#include <boost/uuid/uuid_generators.hpp>
+
+#include <cstring>
+
+#include <algorithm>
+#include <string>
+
+#cmakedefine MD5PREPARE "${MD5PREPARE}"
+#cmakedefine MD5RTREE "${MD5RTREE}"
+#cmakedefine MD5GRAPH "${MD5GRAPH}"
+#cmakedefine MD5OBJECTS "${MD5OBJECTS}"
+
+FingerPrint FingerPrint::GetValid()
+{
+    FingerPrint fingerprint;
+
+    fingerprint.magic_number = 1297240911;
+    fingerprint.md5_prepare[32] = fingerprint.md5_tree[32] = fingerprint.md5_graph[32] = fingerprint.md5_objects[32] = '\0';
+
+    // 6ba7b810-9dad-11d1-80b4-00c04fd430c8 is a Well Known UUID representing the DNS
+    // namespace.  Its use here indicates that we own this part of the UUID space
+    // in the DNS realm.  *Usually*, we would then generate a UUID based on "something.project-osrm.org",
+    // but this whole class is a hack.  Anyway, named_uuid needs to be initialized to something
+    // before it can be used, and this is as good as anything else for these purposes.
+    fingerprint.named_uuid = boost::uuids::string_generator()( "{6ba7b810-9dad-11d1-80b4-00c04fd430c8}");
+
+    boost::uuids::name_generator gen(fingerprint.named_uuid);
+    std::string temp_string;
+
+    std::memcpy(fingerprint.md5_prepare, MD5PREPARE, 32);
+    temp_string += fingerprint.md5_prepare;
+    std::memcpy(fingerprint.md5_tree, MD5RTREE, 32);
+    temp_string += fingerprint.md5_tree;
+    std::memcpy(fingerprint.md5_graph, MD5GRAPH, 32);
+    temp_string += fingerprint.md5_graph;
+    std::memcpy(fingerprint.md5_objects, MD5OBJECTS, 32);
+    temp_string += fingerprint.md5_objects;
+
+    fingerprint.named_uuid = gen(temp_string);
+
+    return fingerprint;
+}
+
+const boost::uuids::uuid &FingerPrint::GetFingerPrint() const { return named_uuid; }
+
+bool FingerPrint::IsMagicNumberOK(const FingerPrint& other) const { return other.magic_number == magic_number; }
+
+bool FingerPrint::TestGraphUtil(const FingerPrint &other) const
+{
+    if (!IsMagicNumberOK(other))
+    {
+        throw osrm::exception("hsgr input file misses magic number. Check or reprocess the file");
+    }
+    return std::equal(md5_graph, md5_graph + 32, other.md5_graph);
+}
+
+bool FingerPrint::TestPrepare(const FingerPrint &other) const
+{
+    if (!IsMagicNumberOK(other))
+    {
+        throw osrm::exception("osrm input file misses magic number. Check or reprocess the file");
+    }
+    return std::equal(md5_prepare, md5_prepare + 32, other.md5_prepare);
+}
+
+bool FingerPrint::TestRTree(const FingerPrint &other) const
+{
+    if (!IsMagicNumberOK(other))
+    {
+        throw osrm::exception("r-tree input file misses magic number. Check or reprocess the file");
+    }
+    return std::equal(md5_tree, md5_tree + 32, other.md5_tree);
+}
+
+bool FingerPrint::TestQueryObjects(const FingerPrint &other) const
+{
+    if (!IsMagicNumberOK(other))
+    {
+        throw osrm::exception("missing magic number. Check or reprocess the file");
+    }
+    return std::equal(md5_objects, md5_objects + 32, other.md5_objects);
+}

include/util/fixed_point_number.hpp

@@ -0,0 +1,216 @@
+/*
+
+Copyright (c) 2014, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef FIXED_POINT_NUMBER_HPP
+#define FIXED_POINT_NUMBER_HPP
+
+#include <cmath>
+#include <cstdint>
+
+#include <iostream>
+#include <limits>
+#include <type_traits>
+#include <utility>
+
+namespace osrm
+{
+
+// implements an binary based fixed point number type
+template <unsigned FractionalBitSize,
+          bool use_64_bits = false,
+          bool is_unsigned = false,
+          bool truncate_results = false>
+class FixedPointNumber
+{
+    static_assert(FractionalBitSize > 0, "FractionalBitSize must be greater than 0");
+    static_assert(FractionalBitSize <= 32, "FractionalBitSize must at most 32");
+
+    typename std::conditional<use_64_bits, int64_t, int32_t>::type m_fixed_point_state;
+    constexpr static const decltype(m_fixed_point_state) PRECISION = 1 << FractionalBitSize;
+
+    // state signage encapsulates whether the state should either represent a
+    // signed or an unsigned floating point number
+    using state_signage =
+        typename std::conditional<is_unsigned,
+                                  typename std::make_unsigned<decltype(m_fixed_point_state)>::type,
+                                  decltype(m_fixed_point_state)>::type;
+
+  public:
+    FixedPointNumber() : m_fixed_point_state(0) {}
+
+    // the type is either initialized with a floating point value or an
+    // integral state. Anything else will throw at compile-time.
+    template <class T>
+    constexpr FixedPointNumber(const T &&input) noexcept
+        : m_fixed_point_state(static_cast<decltype(m_fixed_point_state)>(
+              std::round(std::forward<const T>(input) * PRECISION)))
+    {
+        static_assert(
+            std::is_floating_point<T>::value || std::is_integral<T>::value,
+            "FixedPointNumber needs to be initialized with floating point or integral value");
+    }
+
+    // get max value
+    template <typename T,
+              typename std::enable_if<std::is_floating_point<T>::value>::type * = nullptr>
+    constexpr static auto max() noexcept -> T
+    {
+        return static_cast<T>(std::numeric_limits<state_signage>::max()) / PRECISION;
+    }
+
+    // get min value
+    template <typename T,
+              typename std::enable_if<std::is_floating_point<T>::value>::type * = nullptr>
+    constexpr static auto min() noexcept -> T
+    {
+        return static_cast<T>(1) / PRECISION;
+    }
+
+    // get lowest value
+    template <typename T,
+              typename std::enable_if<std::is_floating_point<T>::value>::type * = nullptr>
+    constexpr static auto lowest() noexcept -> T
+    {
+        return static_cast<T>(std::numeric_limits<state_signage>::min()) / PRECISION;
+    }
+
+    // cast to floating point type T, return value
+    template <typename T,
+              typename std::enable_if<std::is_floating_point<T>::value>::type * = nullptr>
+    explicit operator const T() const noexcept
+    {
+        // casts to external type (signed or unsigned) and then to float
+        return static_cast<T>(static_cast<state_signage>(m_fixed_point_state)) / PRECISION;
+    }
+
+    // warn about cast to integral type T, its disabled for good reason
+    template <typename T, typename std::enable_if<std::is_integral<T>::value>::type * = nullptr>
+    explicit operator T() const
+    {
+        static_assert(std::is_integral<T>::value,
+                      "casts to integral types have been disabled on purpose");
+    }
+
+    // compare, ie. sort fixed-point numbers
+    bool operator<(const FixedPointNumber &other) const noexcept
+    {
+        return m_fixed_point_state < other.m_fixed_point_state;
+    }
+
+    // equality, ie. sort fixed-point numbers
+    bool operator==(const FixedPointNumber &other) const noexcept
+    {
+        return m_fixed_point_state == other.m_fixed_point_state;
+    }
+
+    bool operator!=(const FixedPointNumber &other) const { return !(*this == other); }
+    bool operator>(const FixedPointNumber &other) const { return other < *this; }
+    bool operator<=(const FixedPointNumber &other) const { return !(other < *this); }
+    bool operator>=(const FixedPointNumber &other) const { return !(*this < other); }
+
+    // arithmetic operators
+    FixedPointNumber operator+(const FixedPointNumber &other) const noexcept
+    {
+        FixedPointNumber tmp = *this;
+        tmp.m_fixed_point_state += other.m_fixed_point_state;
+        return tmp;
+    }
+
+    FixedPointNumber &operator+=(const FixedPointNumber &other) noexcept
+    {
+        this->m_fixed_point_state += other.m_fixed_point_state;
+        return *this;
+    }
+
+    FixedPointNumber operator-(const FixedPointNumber &other) const noexcept
+    {
+        FixedPointNumber tmp = *this;
+        tmp.m_fixed_point_state -= other.m_fixed_point_state;
+        return tmp;
+    }
+
+    FixedPointNumber &operator-=(const FixedPointNumber &other) noexcept
+    {
+        this->m_fixed_point_state -= other.m_fixed_point_state;
+        return *this;
+    }
+
+    FixedPointNumber operator*(const FixedPointNumber &other) const noexcept
+    {
+        int64_t temp = this->m_fixed_point_state;
+        temp *= other.m_fixed_point_state;
+
+        // rounding!
+        if (!truncate_results)
+        {
+            temp = temp + ((temp & 1 << (FractionalBitSize - 1)) << 1);
+        }
+        temp >>= FractionalBitSize;
+        FixedPointNumber tmp;
+        tmp.m_fixed_point_state = static_cast<decltype(m_fixed_point_state)>(temp);
+        return tmp;
+    }
+
+    FixedPointNumber &operator*=(const FixedPointNumber &other) noexcept
+    {
+        int64_t temp = this->m_fixed_point_state;
+        temp *= other.m_fixed_point_state;
+
+        // rounding!
+        if (!truncate_results)
+        {
+            temp = temp + ((temp & 1 << (FractionalBitSize - 1)) << 1);
+        }
+        temp >>= FractionalBitSize;
+        this->m_fixed_point_state = static_cast<decltype(m_fixed_point_state)>(temp);
+        return *this;
+    }
+
+    FixedPointNumber operator/(const FixedPointNumber &other) const noexcept
+    {
+        int64_t temp = this->m_fixed_point_state;
+        temp <<= FractionalBitSize;
+        temp /= static_cast<int64_t>(other.m_fixed_point_state);
+        FixedPointNumber tmp;
+        tmp.m_fixed_point_state = static_cast<decltype(m_fixed_point_state)>(temp);
+        return tmp;
+    }
+
+    FixedPointNumber &operator/=(const FixedPointNumber &other) noexcept
+    {
+        int64_t temp = this->m_fixed_point_state;
+        temp <<= FractionalBitSize;
+        temp /= static_cast<int64_t>(other.m_fixed_point_state);
+        FixedPointNumber tmp;
+        this->m_fixed_point_state = static_cast<decltype(m_fixed_point_state)>(temp);
+        return *this;
+    }
+};
+
+static_assert(4 == sizeof(FixedPointNumber<1>), "FP19 has wrong size != 4");
+}
+#endif // FIXED_POINT_NUMBER_HPP

include/util/floating_point.hpp

@@ -0,0 +1,44 @@
+/*
+Copyright (c) 2013, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef FLOATING_POINT_HPP
+#define FLOATING_POINT_HPP
+
+#include <cmath>
+
+#include <limits>
+#include <type_traits>
+
+namespace osrm
+{
+template <typename FloatT> bool epsilon_compare(const FloatT number1, const FloatT number2)
+{
+    static_assert(std::is_floating_point<FloatT>::value, "type must be floating point");
+    return (std::abs(number1 - number2) < std::numeric_limits<FloatT>::epsilon());
+}
+}
+
+#endif // FLOATING_POINT_HPP

include/util/graph_loader.hpp

@@ -0,0 +1,222 @@
+/*
+
+Copyright (c) 2015, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef GRAPH_LOADER_HPP
+#define GRAPH_LOADER_HPP
+
+#include "fingerprint.hpp"
+#include "osrm_exception.hpp"
+#include "simple_logger.hpp"
+#include "../data_structures/external_memory_node.hpp"
+#include "../data_structures/import_edge.hpp"
+#include "../data_structures/query_node.hpp"
+#include "../data_structures/restriction.hpp"
+#include "../typedefs.h"
+
+#include <boost/assert.hpp>
+#include <boost/filesystem.hpp>
+#include <boost/filesystem/fstream.hpp>
+
+#include <tbb/parallel_sort.h>
+
+#include <cmath>
+
+#include <fstream>
+#include <ios>
+#include <vector>
+
+/**
+ * Reads the .restrictions file and loads it to a vector.
+ * The since the restrictions reference nodes using their external node id,
+ * we need to renumber it to the new internal id.
+*/
+unsigned loadRestrictionsFromFile(std::istream &input_stream,
+                                  std::vector<TurnRestriction> &restriction_list)
+{
+    const FingerPrint fingerprint_valid = FingerPrint::GetValid();
+    FingerPrint fingerprint_loaded;
+    unsigned number_of_usable_restrictions = 0;
+    input_stream.read((char *)&fingerprint_loaded, sizeof(FingerPrint));
+    if (!fingerprint_loaded.TestPrepare(fingerprint_valid))
+    {
+        SimpleLogger().Write(logWARNING) << ".restrictions was prepared with different build.\n"
+                                            "Reprocess to get rid of this warning.";
+    }
+
+    input_stream.read((char *)&number_of_usable_restrictions, sizeof(unsigned));
+    restriction_list.resize(number_of_usable_restrictions);
+    if (number_of_usable_restrictions > 0)
+    {
+        input_stream.read((char *)restriction_list.data(),
+                          number_of_usable_restrictions * sizeof(TurnRestriction));
+    }
+
+    return number_of_usable_restrictions;
+}
+
+/**
+ * Reads the beginning of an .osrm file and produces:
+ *  - list of barrier nodes
+ *  - list of traffic lights
+ *  - nodes indexed by their internal (non-osm) id
+ */
+NodeID loadNodesFromFile(std::istream &input_stream,
+                         std::vector<NodeID> &barrier_node_list,
+                         std::vector<NodeID> &traffic_light_node_list,
+                         std::vector<QueryNode> &node_array)
+{
+    const FingerPrint fingerprint_valid = FingerPrint::GetValid();
+    FingerPrint fingerprint_loaded;
+    input_stream.read(reinterpret_cast<char *>(&fingerprint_loaded), sizeof(FingerPrint));
+
+    if (!fingerprint_loaded.TestPrepare(fingerprint_valid))
+    {
+        SimpleLogger().Write(logWARNING) << ".osrm was prepared with different build.\n"
+                                            "Reprocess to get rid of this warning.";
+    }
+
+    NodeID n;
+    input_stream.read(reinterpret_cast<char *>(&n), sizeof(NodeID));
+    SimpleLogger().Write() << "Importing n = " << n << " nodes ";
+
+    ExternalMemoryNode current_node;
+    for (NodeID i = 0; i < n; ++i)
+    {
+        input_stream.read(reinterpret_cast<char *>(&current_node), sizeof(ExternalMemoryNode));
+        node_array.emplace_back(current_node.lat, current_node.lon, current_node.node_id);
+        if (current_node.barrier)
+        {
+            barrier_node_list.emplace_back(i);
+        }
+        if (current_node.traffic_lights)
+        {
+            traffic_light_node_list.emplace_back(i);
+        }
+    }
+
+    // tighten vector sizes
+    barrier_node_list.shrink_to_fit();
+    traffic_light_node_list.shrink_to_fit();
+
+    return n;
+}
+
+/**
+ * Reads a .osrm file and produces the edges.
+ */
+NodeID loadEdgesFromFile(std::istream &input_stream, std::vector<NodeBasedEdge> &edge_list)
+{
+    EdgeID m;
+    input_stream.read(reinterpret_cast<char *>(&m), sizeof(unsigned));
+    edge_list.resize(m);
+    SimpleLogger().Write() << " and " << m << " edges ";
+
+    input_stream.read((char *)edge_list.data(), m * sizeof(NodeBasedEdge));
+
+    BOOST_ASSERT(edge_list.size() > 0);
+
+#ifndef NDEBUG
+    SimpleLogger().Write() << "Validating loaded edges...";
+    tbb::parallel_sort(edge_list.begin(), edge_list.end(),
+                       [](const NodeBasedEdge &lhs, const NodeBasedEdge &rhs)
+                       {
+                           return (lhs.source < rhs.source) ||
+                                  (lhs.source == rhs.source && lhs.target < rhs.target);
+                       });
+    for (auto i = 1u; i < edge_list.size(); ++i)
+    {
+        const auto &edge = edge_list[i];
+        const auto &prev_edge = edge_list[i - 1];
+
+        BOOST_ASSERT_MSG(edge.weight > 0, "loaded null weight");
+        BOOST_ASSERT_MSG(edge.forward, "edge must be oriented in forward direction");
+        BOOST_ASSERT_MSG(edge.travel_mode != TRAVEL_MODE_INACCESSIBLE, "loaded non-accessible");
+
+        BOOST_ASSERT_MSG(edge.source != edge.target, "loaded edges contain a loop");
+        BOOST_ASSERT_MSG(edge.source != prev_edge.source || edge.target != prev_edge.target,
+                         "loaded edges contain a multi edge");
+    }
+#endif
+
+    SimpleLogger().Write() << "Graph loaded ok and has " << edge_list.size() << " edges";
+
+    return m;
+}
+
+template <typename NodeT, typename EdgeT>
+unsigned readHSGRFromStream(const boost::filesystem::path &hsgr_file,
+                            std::vector<NodeT> &node_list,
+                            std::vector<EdgeT> &edge_list,
+                            unsigned *check_sum)
+{
+    if (!boost::filesystem::exists(hsgr_file))
+    {
+        throw osrm::exception("hsgr file does not exist");
+    }
+    if (0 == boost::filesystem::file_size(hsgr_file))
+    {
+        throw osrm::exception("hsgr file is empty");
+    }
+
+    boost::filesystem::ifstream hsgr_input_stream(hsgr_file, std::ios::binary);
+
+    const FingerPrint fingerprint_valid = FingerPrint::GetValid();
+    FingerPrint fingerprint_loaded;
+    hsgr_input_stream.read(reinterpret_cast<char *>(&fingerprint_loaded), sizeof(FingerPrint));
+    if (!fingerprint_loaded.TestGraphUtil(fingerprint_valid))
+    {
+        SimpleLogger().Write(logWARNING) << ".hsgr was prepared with different build.\n"
+                                            "Reprocess to get rid of this warning.";
+    }
+
+    unsigned number_of_nodes = 0;
+    unsigned number_of_edges = 0;
+    hsgr_input_stream.read(reinterpret_cast<char *>(check_sum), sizeof(unsigned));
+    hsgr_input_stream.read(reinterpret_cast<char *>(&number_of_nodes), sizeof(unsigned));
+    BOOST_ASSERT_MSG(0 != number_of_nodes, "number of nodes is zero");
+    hsgr_input_stream.read(reinterpret_cast<char *>(&number_of_edges), sizeof(unsigned));
+
+    SimpleLogger().Write() << "number_of_nodes: " << number_of_nodes
+                           << ", number_of_edges: " << number_of_edges;
+
+    // BOOST_ASSERT_MSG( 0 != number_of_edges, "number of edges is zero");
+    node_list.resize(number_of_nodes);
+    hsgr_input_stream.read(reinterpret_cast<char *>(&node_list[0]),
+                           number_of_nodes * sizeof(NodeT));
+
+    edge_list.resize(number_of_edges);
+    if (number_of_edges > 0)
+    {
+        hsgr_input_stream.read(reinterpret_cast<char *>(&edge_list[0]),
+                               number_of_edges * sizeof(EdgeT));
+    }
+    hsgr_input_stream.close();
+
+    return number_of_nodes;
+}
+
+#endif // GRAPH_LOADER_HPP

include/util/graph_utils.hpp

@@ -0,0 +1,94 @@
+#ifndef GRAPH_UTILS_HPP
+#define GRAPH_UTILS_HPP
+
+#include "../typedefs.h"
+
+#include <boost/assert.hpp>
+#include <vector>
+
+/// This function checks if the graph (consisting of directed edges) is undirected
+template<typename GraphT>
+bool isUndirectedGraph(const GraphT& graph)
+{
+    for (auto source = 0u; source < graph.GetNumberOfNodes(); ++source)
+    {
+        for (auto edge = graph.BeginEdges(source); edge < graph.EndEdges(source); ++edge)
+        {
+            const auto& data = graph.GetEdgeData(edge);
+
+            auto target = graph.GetTarget(edge);
+            BOOST_ASSERT(target != SPECIAL_NODEID);
+
+            bool found_reverse = false;
+            for (auto rev_edge = graph.BeginEdges(target); rev_edge < graph.EndEdges(target); ++rev_edge)
+            {
+                auto rev_target = graph.GetTarget(rev_edge);
+                BOOST_ASSERT(rev_target != SPECIAL_NODEID);
+
+                if (rev_target != source)
+                {
+                    continue;
+                }
+
+                BOOST_ASSERT_MSG(!found_reverse, "Found more than one reverse edge");
+                found_reverse = true;
+            }
+
+            if (!found_reverse)
+            {
+                return false;
+            }
+        }
+    }
+
+    return true;
+}
+
+
+/// Since DynamicGraph assumes directed edges we have to make sure we transformed
+/// the compressed edge format into single directed edges. We do this to make sure
+/// every node also knows its incoming edges, not only its outgoing edges and use the reversed=true
+/// flag to indicate which is which.
+///
+/// We do the transformation in the following way:
+///
+/// if the edge (a, b) is split:
+///   1. this edge must be in only one direction, so its a --> b
+///   2. there must be another directed edge b --> a somewhere in the data
+/// if the edge (a, b) is not split:
+///   1. this edge be on of a --> b od a <-> b
+///      (a <-- b gets reducted to b --> a)
+///   2. a --> b will be transformed to a --> b and b <-- a
+///   3. a <-> b will be transformed to a --> b and b --> a
+template<typename OutputEdgeT, typename InputEdgeT, typename FunctorT>
+std::vector<OutputEdgeT> directedEdgesFromCompressed(const std::vector<InputEdgeT>& input_edge_list, FunctorT copy_data)
+{
+    std::vector<OutputEdgeT> output_edge_list;
+
+    OutputEdgeT edge;
+    for (const auto& input_edge : input_edge_list)
+    {
+        // edges that are not forward get converted by flipping the end points
+        BOOST_ASSERT(input_edge.forward);
+
+        edge.source = input_edge.source;
+        edge.target = input_edge.target;
+        edge.data.reversed = false;
+
+        BOOST_ASSERT(edge.source != edge.target);
+
+        copy_data(edge, input_edge);
+
+        output_edge_list.push_back(edge);
+
+        if (!input_edge.is_split)
+        {
+            std::swap(edge.source, edge.target);
+            edge.data.reversed = !input_edge.backward;
+            output_edge_list.push_back(edge);
+        }
+    }
+
+    return output_edge_list;
+}
+#endif

include/util/hilbert_value.hpp

@@ -0,0 +1,49 @@
+/*
+
+Copyright (c) 2014, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef HILBERT_VALUE_HPP
+#define HILBERT_VALUE_HPP
+
+#include <cstdint>
+
+// computes a 64 bit value that corresponds to the hilbert space filling curve
+
+struct FixedPointCoordinate;
+
+class HilbertCode
+{
+  public:
+    uint64_t operator()(const FixedPointCoordinate &current_coordinate) const;
+    HilbertCode() {}
+    HilbertCode(const HilbertCode &) = delete;
+
+  private:
+    inline uint64_t BitInterleaving(const uint32_t a, const uint32_t b) const;
+    inline void TransposeCoordinate(uint32_t *X) const;
+};
+
+#endif /* HILBERT_VALUE_HPP */

include/util/ini_file.hpp

@@ -0,0 +1,51 @@
+/*
+
+Copyright (c) 2015, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef INI_FILE_HPP
+#define INI_FILE_HPP
+
+#include <boost/filesystem.hpp>
+#include <boost/filesystem/fstream.hpp>
+
+#include <algorithm>
+#include <string>
+
+namespace
+{
+
+// support old capitalized option names by down-casing them with a regex replace
+std::string read_file_lower_content(const boost::filesystem::path &path)
+{
+    boost::filesystem::fstream config_stream(path);
+    std::string ini_file_content((std::istreambuf_iterator<char>(config_stream)),
+                                 std::istreambuf_iterator<char>());
+    std::transform(std::begin(ini_file_content), std::end(ini_file_content),
+                   std::begin(ini_file_content), ::tolower);
+    return ini_file_content;
+}
+}
+#endif // INI_FILE_HPP

include/util/integer_range.hpp

@@ -0,0 +1,80 @@
+/*
+
+Copyright (c) 2015, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef INTEGER_RANGE_HPP
+#define INTEGER_RANGE_HPP
+
+#include <boost/assert.hpp>
+
+#include <type_traits>
+
+#include <cstdint>
+
+namespace osrm
+{
+
+template <typename Integer> class range
+{
+  private:
+    const Integer last;
+    Integer iter;
+
+  public:
+    range(Integer start, Integer end) noexcept : last(end), iter(start)
+    {
+        BOOST_ASSERT_MSG(start <= end, "backwards counting ranges not suppoted");
+        static_assert(std::is_integral<Integer>::value, "range type must be integral");
+    }
+
+    // Iterable functions
+    const range &begin() const noexcept { return *this; }
+    const range &end() const noexcept { return *this; }
+    Integer front() const noexcept { return iter; }
+    Integer back() const noexcept { return last - 1; }
+    std::size_t size() const noexcept
+    {
+        return static_cast<std::size_t>(last - iter);
+    }
+
+    // Iterator functions
+    bool operator!=(const range &) const noexcept { return iter < last; }
+    void operator++() noexcept { ++iter; }
+    Integer operator*() const noexcept { return iter; }
+};
+
+// convenience function to construct an integer range with type deduction
+template <typename Integer>
+range<Integer>
+irange(const Integer first,
+       const Integer last,
+       typename std::enable_if<std::is_integral<Integer>::value>::type * = 0) noexcept
+{
+    return range<Integer>(first, last);
+}
+}
+
+#endif // INTEGER_RANGE_HPP

include/util/iso_8601_duration_parser.hpp

@@ -0,0 +1,102 @@
+/*
+
+Copyright (c) 2015, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef ISO_8601_DURATION_PARSER_HPP
+#define ISO_8601_DURATION_PARSER_HPP
+
+#include <boost/bind.hpp>
+#include <boost/spirit/include/qi.hpp>
+#include <boost/spirit/include/qi_action.hpp>
+
+namespace qi = boost::spirit::qi;
+
+template <typename Iterator> struct iso_8601_grammar : qi::grammar<Iterator>
+{
+    iso_8601_grammar()
+        : iso_8601_grammar::base_type(iso_period), temp(0), hours(0), minutes(0), seconds(0)
+    {
+        iso_period = qi::lit('P') >> qi::lit('T') >>
+                     ((value >> hour >> value >> minute >> value >> second) |
+                      (value >> hour >> value >> minute) | (value >> hour >> value >> second) |
+                      (value >> hour) | (value >> minute >> value >> second) | (value >> minute) |
+                      (value >> second));
+
+        value = qi::uint_[boost::bind(&iso_8601_grammar<Iterator>::set_temp, this, ::_1)];
+        second = (qi::lit('s') |
+                  qi::lit('S'))[boost::bind(&iso_8601_grammar<Iterator>::set_seconds, this)];
+        minute = (qi::lit('m') |
+                  qi::lit('M'))[boost::bind(&iso_8601_grammar<Iterator>::set_minutes, this)];
+        hour = (qi::lit('h') |
+                qi::lit('H'))[boost::bind(&iso_8601_grammar<Iterator>::set_hours, this)];
+    }
+
+    qi::rule<Iterator> iso_period;
+    qi::rule<Iterator, std::string()> value, hour, minute, second;
+
+    unsigned temp;
+    unsigned hours;
+    unsigned minutes;
+    unsigned seconds;
+
+    void set_temp(unsigned number) { temp = number; }
+
+    void set_hours()
+    {
+        if (temp < 24)
+        {
+            hours = temp;
+        }
+    }
+
+    void set_minutes()
+    {
+        if (temp < 60)
+        {
+            minutes = temp;
+        }
+    }
+
+    void set_seconds()
+    {
+        if (temp < 60)
+        {
+            seconds = temp;
+        }
+    }
+
+    unsigned get_duration() const
+    {
+        unsigned temp = (3600 * hours + 60 * minutes + seconds);
+        if (temp == 0)
+        {
+            temp = std::numeric_limits<unsigned>::max();
+        }
+        return temp;
+    }
+};
+
+#endif // ISO_8601_DURATION_PARSER_HPP

include/util/json_logger.hpp

@@ -0,0 +1,91 @@
+/*
+
+Copyright (c) 2015, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef JSON_LOGGER_HPP
+#define JSON_LOGGER_HPP
+
+#include <osrm/json_container.hpp>
+
+#include <boost/thread/tss.hpp>
+
+#include <string>
+#include <unordered_map>
+
+namespace osrm
+{
+namespace json
+{
+
+// Used to append additional debugging information to the JSON response in a
+// thread safe manner.
+class Logger
+{
+    using MapT = std::unordered_map<std::string, osrm::json::Value>;
+
+  public:
+    static Logger* get()
+    {
+        static Logger logger;
+
+        bool return_logger = true;
+#ifdef NDEBUG
+        return_logger = false;
+#endif
+#ifdef ENABLE_JSON_LOGGING
+        return_logger = true;
+#endif
+
+        if (return_logger)
+        {
+            return &logger;
+        }
+
+        return nullptr;
+    }
+
+    void initialize(const std::string& name)
+    {
+        if (!map.get())
+        {
+            map.reset(new MapT());
+        }
+        (*map)[name] = Object();
+    }
+
+    void render(const std::string& name, Object& obj) const
+    {
+        obj.values["debug"] = map->at(name);
+    }
+
+    boost::thread_specific_ptr<MapT> map;
+};
+
+
+}
+}
+
+#endif /* JSON_LOGGER_HPP */

include/util/json_renderer.hpp

@@ -0,0 +1,187 @@
+/*
+
+Copyright (c) 2015, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+// based on
+// https://svn.apache.org/repos/asf/mesos/tags/release-0.9.0-incubating-RC0/src/common/json.hpp
+
+#ifndef JSON_RENDERER_HPP
+#define JSON_RENDERER_HPP
+
+#include "cast.hpp"
+#include "string_util.hpp"
+
+#include <osrm/json_container.hpp>
+
+namespace osrm
+{
+namespace json
+{
+
+struct Renderer : mapbox::util::static_visitor<>
+{
+    explicit Renderer(std::ostream &_out) : out(_out) {}
+
+    void operator()(const String &string) const
+    {
+        out << "\"";
+        out << escape_JSON(string.value);
+        out << "\"";
+    }
+
+    void operator()(const Number &number) const
+    {
+        out.precision(10);
+        out << number.value;
+    }
+
+    void operator()(const Object &object) const
+    {
+        out << "{";
+        for (auto it = object.values.begin(), end = object.values.end(); it != end;)
+        {
+            out << "\"" << it->first << "\":";
+            mapbox::util::apply_visitor(Renderer(out), it->second);
+            if (++it != end)
+            {
+                out << ",";
+            }
+        }
+        out << "}";
+    }
+
+    void operator()(const Array &array) const
+    {
+        out << "[";
+        for (auto it = array.values.cbegin(), end = array.values.cend(); it != end;)
+        {
+            mapbox::util::apply_visitor(Renderer(out), *it);
+            if (++it != end)
+            {
+                out << ",";
+            }
+        }
+        out << "]";
+    }
+
+    void operator()(const True &) const { out << "true"; }
+
+    void operator()(const False &) const { out << "false"; }
+
+    void operator()(const Null &) const { out << "null"; }
+
+  private:
+    std::ostream &out;
+};
+
+struct ArrayRenderer : mapbox::util::static_visitor<>
+{
+    explicit ArrayRenderer(std::vector<char> &_out) : out(_out) {}
+
+    void operator()(const String &string) const
+    {
+        out.push_back('\"');
+        const auto string_to_insert = escape_JSON(string.value);
+        out.insert(std::end(out), std::begin(string_to_insert), std::end(string_to_insert));
+        out.push_back('\"');
+    }
+
+    void operator()(const Number &number) const
+    {
+        const std::string number_string = cast::to_string_with_precision(number.value);
+        out.insert(out.end(), number_string.begin(), number_string.end());
+    }
+
+    void operator()(const Object &object) const
+    {
+        out.push_back('{');
+        for (auto it = object.values.begin(), end = object.values.end(); it != end;)
+        {
+            out.push_back('\"');
+            out.insert(out.end(), it->first.begin(), it->first.end());
+            out.push_back('\"');
+            out.push_back(':');
+
+            mapbox::util::apply_visitor(ArrayRenderer(out), it->second);
+            if (++it != end)
+            {
+                out.push_back(',');
+            }
+        }
+        out.push_back('}');
+    }
+
+    void operator()(const Array &array) const
+    {
+        out.push_back('[');
+        for (auto it = array.values.cbegin(), end = array.values.cend(); it != end;)
+        {
+            mapbox::util::apply_visitor(ArrayRenderer(out), *it);
+            if (++it != end)
+            {
+                out.push_back(',');
+            }
+        }
+        out.push_back(']');
+    }
+
+    void operator()(const True &) const
+    {
+        const std::string temp("true");
+        out.insert(out.end(), temp.begin(), temp.end());
+    }
+
+    void operator()(const False &) const
+    {
+        const std::string temp("false");
+        out.insert(out.end(), temp.begin(), temp.end());
+    }
+
+    void operator()(const Null &) const
+    {
+        const std::string temp("null");
+        out.insert(out.end(), temp.begin(), temp.end());
+    }
+
+  private:
+    std::vector<char> &out;
+};
+
+inline void render(std::ostream &out, const Object &object)
+{
+    Value value = object;
+    mapbox::util::apply_visitor(Renderer(out), value);
+}
+
+inline void render(std::vector<char> &out, const Object &object)
+{
+    Value value = object;
+    mapbox::util::apply_visitor(ArrayRenderer(out), value);
+}
+
+} // namespace json
+} // namespace osrm
+#endif // JSON_RENDERER_HPP

include/util/json_util.hpp

@@ -0,0 +1,103 @@
+/*
+
+Copyright (c) 2015, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef JSON_UTIL_HPP
+#define JSON_UTIL_HPP
+
+#include <osrm/json_container.hpp>
+
+#include <cmath>
+#include <limits>
+
+namespace osrm
+{
+namespace json
+{
+
+// Make sure we don't have inf and NaN values
+template <typename T> T clamp_float(T d)
+{
+    if (std::isnan(d) || std::numeric_limits<T>::infinity() == d)
+    {
+        return std::numeric_limits<T>::max();
+    }
+    if (-std::numeric_limits<T>::infinity() == d)
+    {
+        return std::numeric_limits<T>::lowest();
+    }
+
+    return d;
+}
+
+template <typename... Args> osrm::json::Array make_array(Args... args)
+{
+    osrm::json::Array a;
+    append_to_container(a.values, args...);
+    return a;
+}
+
+template <typename T> osrm::json::Array make_array(const std::vector<T> &vector)
+{
+    osrm::json::Array a;
+    for (const auto &v : vector)
+    {
+        a.values.emplace_back(v);
+    }
+    return a;
+}
+
+// template specialization needed as clang does not play nice
+template <> osrm::json::Array make_array(const std::vector<bool> &vector)
+{
+    osrm::json::Array a;
+    for (const bool v : vector)
+    {
+        a.values.emplace_back(v);
+    }
+    return a;
+}
+
+// Easy acces to object hierachies
+osrm::json::Value &get(osrm::json::Value &value) { return value; }
+
+template <typename... Keys>
+osrm::json::Value &get(osrm::json::Value &value, const char *key, Keys... keys)
+{
+    using recursive_object_t = mapbox::util::recursive_wrapper<osrm::json::Object>;
+    return get(value.get<recursive_object_t>().get().values[key], keys...);
+}
+
+template <typename... Keys>
+osrm::json::Value &get(osrm::json::Value &value, unsigned key, Keys... keys)
+{
+    using recursive_array_t = mapbox::util::recursive_wrapper<osrm::json::Array>;
+    return get(value.get<recursive_array_t>().get().values[key], keys...);
+}
+
+} // namespace json
+} // namespace osrm
+#endif // JSON_UTIL_HPP

include/util/lua_util.hpp

@@ -0,0 +1,65 @@
+/*
+
+Copyright (c) 2014, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef LUA_UTIL_HPP
+#define LUA_UTIL_HPP
+
+extern "C" {
+#include <lua.h>
+#include <lauxlib.h>
+#include <lualib.h>
+}
+
+#include <boost/filesystem/convenience.hpp>
+#include <luabind/luabind.hpp>
+
+#include <iostream>
+#include <string>
+
+template <typename T> void LUA_print(T output) { std::cout << "[LUA] " << output << std::endl; }
+
+// Check if the lua function <name> is defined
+inline bool lua_function_exists(lua_State *lua_state, const char *name)
+{
+    luabind::object globals_table = luabind::globals(lua_state);
+    luabind::object lua_function = globals_table[name];
+    return lua_function && (luabind::type(lua_function) == LUA_TFUNCTION);
+}
+
+// Add the folder contain the script to the lua load path, so script can easily require() other lua
+// scripts inside that folder, or subfolders.
+// See http://lua-users.org/wiki/PackagePath for details on the package.path syntax.
+inline void luaAddScriptFolderToLoadPath(lua_State *lua_state, const char *file_name)
+{
+    boost::filesystem::path profile_path = boost::filesystem::canonical(file_name);
+    std::string folder = profile_path.parent_path().string();
+    // TODO: This code is most probably not Windows safe since it uses UNIX'ish path delimiters
+    const std::string lua_code = "package.path = \"" + folder + "/?.lua;\" .. package.path";
+    luaL_dostring(lua_state, lua_code.c_str());
+}
+
+#endif // LUA_UTIL_HPP

include/util/make_unique.hpp

@@ -0,0 +1,73 @@
+/*
+
+Copyright (c) 2013, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef MAKE_UNIQUE_H_
+#define MAKE_UNIQUE_H_
+
+#include <cstdlib>
+#include <memory>
+#include <type_traits>
+
+namespace osrm
+{
+// Implement make_unique according to N3656. Taken from libcxx's implementation
+
+/// \brief Constructs a `new T()` with the given args and returns a
+///        `unique_ptr<T>` which owns the object.
+///
+/// Example:
+///
+///     auto p = make_unique<int>();
+///     auto p = make_unique<std::tuple<int, int>>(0, 1);
+template <class T, class... Args>
+typename std::enable_if<!std::is_array<T>::value, std::unique_ptr<T>>::type
+make_unique(Args &&... args)
+{
+    return std::unique_ptr<T>(new T(std::forward<Args>(args)...));
+}
+
+/// \brief Constructs a `new T[n]` with the given args and returns a
+///        `unique_ptr<T[]>` which owns the object.
+///
+/// \param n size of the new array.
+///
+/// Example:
+///
+///     auto p = make_unique<int[]>(2); // value-initializes the array with 0's.
+template <class T>
+typename std::enable_if<std::is_array<T>::value && std::extent<T>::value == 0,
+                        std::unique_ptr<T>>::type
+make_unique(size_t n)
+{
+    return std::unique_ptr<T>(new typename std::remove_extent<T>::type[n]());
+}
+
+/// This function isn't used and is only here to provide better compile errors.
+template <class T, class... Args>
+typename std::enable_if<std::extent<T>::value != 0>::type make_unique(Args &&...) = delete;
+}
+#endif // MAKE_UNIQUE_H_

include/util/matching_debug_info.hpp

@@ -0,0 +1,155 @@
+/*
+
+Copyright (c) 2015, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef MATCHING_DEBUG_INFO_HPP
+#define MATCHING_DEBUG_INFO_HPP
+
+#include "json_logger.hpp"
+#include "json_util.hpp"
+#include "../data_structures/hidden_markov_model.hpp"
+
+#include <osrm/coordinate.hpp>
+
+// Provides the debug interface for introspection tools
+struct MatchingDebugInfo
+{
+    MatchingDebugInfo(const osrm::json::Logger *logger) : logger(logger)
+    {
+        if (logger)
+        {
+            object = &logger->map->at("matching");
+        }
+    }
+
+    template <class CandidateLists> void initialize(const CandidateLists &candidates_list)
+    {
+        // json logger not enabled
+        if (!logger)
+        {
+            return;
+        }
+
+        osrm::json::Array states;
+        for (auto &elem : candidates_list)
+        {
+            osrm::json::Array timestamps;
+            for (auto &elem_s : elem)
+            {
+                osrm::json::Object state;
+                state.values["transitions"] = osrm::json::Array();
+                state.values["coordinate"] =
+                    osrm::json::make_array(elem_s.phantom_node.location.lat / COORDINATE_PRECISION,
+                                           elem_s.phantom_node.location.lon / COORDINATE_PRECISION);
+                state.values["viterbi"] =
+                    osrm::json::clamp_float(osrm::matching::IMPOSSIBLE_LOG_PROB);
+                state.values["pruned"] = 0u;
+                timestamps.values.push_back(state);
+            }
+            states.values.push_back(timestamps);
+        }
+        osrm::json::get(*object, "states") = states;
+    }
+
+    void add_transition_info(const unsigned prev_t,
+                             const unsigned current_t,
+                             const unsigned prev_state,
+                             const unsigned current_state,
+                             const double prev_viterbi,
+                             const double emission_pr,
+                             const double transition_pr,
+                             const double network_distance,
+                             const double haversine_distance)
+    {
+        // json logger not enabled
+        if (!logger)
+        {
+            return;
+        }
+
+        osrm::json::Object transistion;
+        transistion.values["to"] = osrm::json::make_array(current_t, current_state);
+        transistion.values["properties"] = osrm::json::make_array(
+            osrm::json::clamp_float(prev_viterbi), osrm::json::clamp_float(emission_pr),
+            osrm::json::clamp_float(transition_pr), network_distance, haversine_distance);
+
+        osrm::json::get(*object, "states", prev_t, prev_state, "transitions")
+            .get<mapbox::util::recursive_wrapper<osrm::json::Array>>()
+            .get()
+            .values.push_back(transistion);
+    }
+
+    void set_viterbi(const std::vector<std::vector<double>> &viterbi,
+                     const std::vector<std::vector<bool>> &pruned,
+                     const std::vector<std::vector<bool>> &suspicious)
+    {
+        // json logger not enabled
+        if (!logger)
+        {
+            return;
+        }
+
+        for (auto t = 0u; t < viterbi.size(); t++)
+        {
+            for (auto s_prime = 0u; s_prime < viterbi[t].size(); ++s_prime)
+            {
+                osrm::json::get(*object, "states", t, s_prime, "viterbi") =
+                    osrm::json::clamp_float(viterbi[t][s_prime]);
+                osrm::json::get(*object, "states", t, s_prime, "pruned") =
+                    static_cast<unsigned>(pruned[t][s_prime]);
+                osrm::json::get(*object, "states", t, s_prime, "suspicious") =
+                    static_cast<unsigned>(suspicious[t][s_prime]);
+            }
+        }
+    }
+
+    void add_chosen(const unsigned t, const unsigned s)
+    {
+        // json logger not enabled
+        if (!logger)
+        {
+            return;
+        }
+
+        osrm::json::get(*object, "states", t, s, "chosen") = true;
+    }
+
+    void add_breakage(const std::vector<bool> &breakage)
+    {
+        // json logger not enabled
+        if (!logger)
+        {
+            return;
+        }
+
+        osrm::json::get(*object, "breakage") = osrm::json::make_array(breakage);
+    }
+
+    const osrm::json::Logger *logger;
+    osrm::json::Value *object;
+};
+
+#endif // MATCHING_DEBUG_INFO_HPP

include/util/matrix_graph_wrapper.hpp

@@ -0,0 +1,70 @@
+/*
+
+Copyright (c) 2015, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef MATRIX_GRAPH_WRAPPER_H
+#define MATRIX_GRAPH_WRAPPER_H
+
+#include <vector>
+#include <cstddef>
+#include <iterator>
+
+#include "../typedefs.h"
+
+// This Wrapper provides all methods that are needed for TarjanSCC, when the graph is given in a
+// matrix representation (e.g. as output from a distance table call)
+
+template <typename T> class MatrixGraphWrapper
+{
+  public:
+    MatrixGraphWrapper(std::vector<T> table, const std::size_t number_of_nodes)
+        : table_(std::move(table)), number_of_nodes_(number_of_nodes){};
+
+    std::size_t GetNumberOfNodes() const { return number_of_nodes_; }
+
+    std::vector<T> GetAdjacentEdgeRange(const NodeID node) const
+    {
+
+        std::vector<T> edges;
+        // find all valid adjacent edges and move to vector `edges`
+        for (std::size_t i = 0; i < number_of_nodes_; ++i)
+        {
+            if (*(std::begin(table_) + node * number_of_nodes_ + i) != INVALID_EDGE_WEIGHT)
+            {
+                edges.push_back(i);
+            }
+        }
+        return edges;
+    }
+
+    EdgeWeight GetTarget(const EdgeWeight edge) const { return edge; }
+
+  private:
+    const std::vector<T> table_;
+    const std::size_t number_of_nodes_;
+};
+
+#endif // MATRIX_GRAPH_WRAPPER_H

include/util/mercator.hpp

@@ -0,0 +1,38 @@
+/*
+
+Copyright (c) 2015, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef MERCATOR_HPP
+#define MERCATOR_HPP
+
+struct mercator
+{
+    static double y2lat(const double value) noexcept;
+
+    static double lat2y(const double latitude) noexcept;
+};
+
+#endif // MERCATOR_HPP

include/util/node_based_graph.hpp

@@ -0,0 +1,103 @@
+/*
+
+Copyright (c) 2015, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef NODE_BASED_GRAPH_HPP
+#define NODE_BASED_GRAPH_HPP
+
+#include "dynamic_graph.hpp"
+#include "import_edge.hpp"
+#include "../util/graph_utils.hpp"
+
+#include <tbb/parallel_sort.h>
+
+#include <memory>
+
+struct NodeBasedEdgeData
+{
+    NodeBasedEdgeData()
+        : distance(INVALID_EDGE_WEIGHT), edge_id(SPECIAL_NODEID),
+          name_id(std::numeric_limits<unsigned>::max()), access_restricted(false),
+          reversed(false), roundabout(false), travel_mode(TRAVEL_MODE_INACCESSIBLE)
+    {
+    }
+
+    NodeBasedEdgeData(int distance, unsigned edge_id, unsigned name_id,
+            bool access_restricted, bool reversed,
+            bool roundabout, bool startpoint, TravelMode travel_mode)
+        : distance(distance), edge_id(edge_id), name_id(name_id),
+          access_restricted(access_restricted), reversed(reversed),
+          roundabout(roundabout), startpoint(startpoint), travel_mode(travel_mode)
+    {
+    }
+
+    int distance;
+    unsigned edge_id;
+    unsigned name_id;
+    bool access_restricted : 1;
+    bool reversed : 1;
+    bool roundabout : 1;
+    bool startpoint : 1;
+    TravelMode travel_mode : 4;
+
+    bool IsCompatibleTo(const NodeBasedEdgeData &other) const
+    {
+        return (reversed == other.reversed) && (name_id == other.name_id) &&
+               (travel_mode == other.travel_mode);
+    }
+};
+
+using NodeBasedDynamicGraph = DynamicGraph<NodeBasedEdgeData>;
+
+/// Factory method to create NodeBasedDynamicGraph from NodeBasedEdges
+/// Since DynamicGraph expects directed edges, we need to insert
+/// two edges for undirected edges.
+inline std::shared_ptr<NodeBasedDynamicGraph>
+NodeBasedDynamicGraphFromEdges(std::size_t number_of_nodes, const std::vector<NodeBasedEdge> &input_edge_list)
+{
+    auto edges_list = directedEdgesFromCompressed<NodeBasedDynamicGraph::InputEdge>(input_edge_list,
+        [](NodeBasedDynamicGraph::InputEdge& output_edge, const NodeBasedEdge& input_edge)
+        {
+            output_edge.data.distance = static_cast<int>(input_edge.weight);
+            BOOST_ASSERT(output_edge.data.distance > 0);
+
+            output_edge.data.roundabout = input_edge.roundabout;
+            output_edge.data.name_id = input_edge.name_id;
+            output_edge.data.access_restricted = input_edge.access_restricted;
+            output_edge.data.travel_mode = input_edge.travel_mode;
+            output_edge.data.startpoint = input_edge.startpoint;
+        }
+    );
+
+    tbb::parallel_sort(edges_list.begin(), edges_list.end());
+
+    auto graph = std::make_shared<NodeBasedDynamicGraph>(
+        static_cast<NodeBasedDynamicGraph::NodeIterator>(number_of_nodes), edges_list);
+
+    return graph;
+}
+
+#endif // NODE_BASED_GRAPH_HPP

include/util/osrm_exception.hpp

@@ -0,0 +1,52 @@
+/*
+
+Copyright (c) 2015, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef OSRM_EXCEPTION_HPP
+#define OSRM_EXCEPTION_HPP
+
+#include <exception>
+#include <string>
+#include <utility>
+
+namespace osrm
+{
+class exception final : public std::exception
+{
+  public:
+    explicit exception(const char *message) : message(message) {}
+    explicit exception(std::string message) : message(std::move(message)) {}
+
+  private:
+    // This function exists to 'anchor' the class, and stop the compiler from
+    // copying vtable and RTTI info into every object file that includes
+    // this header. (Caught by -Wweak-vtables under Clang.)
+    virtual void anchor() const;
+    const char *what() const noexcept override { return message.c_str(); }
+    const std::string message;
+};
+}
+#endif /* OSRM_EXCEPTION_HPP */

include/util/percent.hpp

@@ -0,0 +1,101 @@
+/*
+
+Copyright (c) 2015, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef PERCENT_HPP
+#define PERCENT_HPP
+
+#include <iostream>
+#include <atomic>
+
+class Percent
+{
+  public:
+    explicit Percent(unsigned max_value, unsigned step = 5) { reinit(max_value, step); }
+
+    // Reinitializes
+    void reinit(unsigned max_value, unsigned step = 5)
+    {
+        m_max_value = max_value;
+        m_current_value = 0;
+        m_percent_interval = m_max_value / 100;
+        m_next_threshold = m_percent_interval;
+        m_last_percent = 0;
+        m_step = step;
+    }
+
+    // If there has been significant progress, display it.
+    void printStatus(unsigned current_value)
+    {
+        if (current_value >= m_next_threshold)
+        {
+            m_next_threshold += m_percent_interval;
+            printPercent(current_value / static_cast<double>(m_max_value) * 100.);
+        }
+        if (current_value + 1 == m_max_value)
+            std::cout << " 100%" << std::endl;
+    }
+
+    void printIncrement()
+    {
+        ++m_current_value;
+        printStatus(m_current_value);
+    }
+
+    void printAddition(const unsigned addition)
+    {
+        m_current_value += addition;
+        printStatus(m_current_value);
+    }
+
+  private:
+    std::atomic_uint m_current_value;
+    unsigned m_max_value;
+    unsigned m_percent_interval;
+    unsigned m_next_threshold;
+    unsigned m_last_percent;
+    unsigned m_step;
+
+    // Displays progress.
+    void printPercent(double percent)
+    {
+        while (percent >= m_last_percent + m_step)
+        {
+            m_last_percent += m_step;
+            if (m_last_percent % 10 == 0)
+            {
+                std::cout << " " << m_last_percent << "% ";
+            }
+            else
+            {
+                std::cout << ".";
+            }
+            std::cout.flush();
+        }
+    }
+};
+
+#endif // PERCENT_HPP

include/util/range_algorithms.hpp

@@ -0,0 +1,49 @@
+/*
+
+Copyright (c) 2015, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef RANGE_ALGORITHMS_HPP
+#define RANGE_ALGORITHMS_HPP
+
+#include <algorithm>
+
+namespace osrm
+{
+
+template <class Container>
+auto max_element(const Container &c) -> decltype(std::max_element(c.begin(), c.end()))
+{
+    return std::max_element(c.begin(), c.end());
+}
+
+template <class Container>
+auto max_element(const Container &c) -> decltype(std::max_element(c.cbegin(), c.cend()))
+{
+    return std::max_element(c.cbegin(), c.cend());
+}
+}
+
+#endif // RANGE_ALGORITHMS_HPP

include/util/range_table.hpp

@@ -0,0 +1,260 @@
+/*
+
+Copyright (c) 2015, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef RANGE_TABLE_HPP
+#define RANGE_TABLE_HPP
+
+#include "../util/integer_range.hpp"
+#include "shared_memory_factory.hpp"
+#include "shared_memory_vector_wrapper.hpp"
+
+#include <fstream>
+#include <array>
+/*
+ * These pre-declarations are needed because parsing C++ is hard
+ * and otherwise the compiler gets confused.
+ */
+
+template <unsigned BLOCK_SIZE = 16, bool USE_SHARED_MEMORY = false> class RangeTable;
+
+template <unsigned BLOCK_SIZE, bool USE_SHARED_MEMORY>
+std::ostream &operator<<(std::ostream &out, const RangeTable<BLOCK_SIZE, USE_SHARED_MEMORY> &table);
+
+template <unsigned BLOCK_SIZE, bool USE_SHARED_MEMORY>
+std::istream &operator>>(std::istream &in, RangeTable<BLOCK_SIZE, USE_SHARED_MEMORY> &table);
+
+/**
+ * Stores adjacent ranges in a compressed format.
+ *
+ * Maximum supported length of a range is 255.
+ *
+ * Note: BLOCK_SIZE is the number of differential encodoed values.
+ * But each block consists of an absolute value and BLOCK_SIZE differential values.
+ * So the effective block size is sizeof(unsigned) + BLOCK_SIZE.
+ */
+template <unsigned BLOCK_SIZE, bool USE_SHARED_MEMORY> class RangeTable
+{
+  public:
+    using BlockT = std::array<unsigned char, BLOCK_SIZE>;
+    using BlockContainerT = typename ShM<BlockT, USE_SHARED_MEMORY>::vector;
+    using OffsetContainerT = typename ShM<unsigned, USE_SHARED_MEMORY>::vector;
+    using RangeT = osrm::range<unsigned>;
+
+    friend std::ostream &operator<<<>(std::ostream &out, const RangeTable &table);
+    friend std::istream &operator>><>(std::istream &in, RangeTable &table);
+
+    RangeTable() : sum_lengths(0) {}
+
+    // for loading from shared memory
+    explicit RangeTable(OffsetContainerT &external_offsets,
+                        BlockContainerT &external_blocks,
+                        const unsigned sum_lengths)
+        : sum_lengths(sum_lengths)
+    {
+        block_offsets.swap(external_offsets);
+        diff_blocks.swap(external_blocks);
+    }
+
+    // construct table from length vector
+    template<typename VectorT>
+    explicit RangeTable(const VectorT &lengths)
+    {
+        const unsigned number_of_blocks = [&lengths]()
+        {
+            unsigned num = (lengths.size() + 1) / (BLOCK_SIZE + 1);
+            if ((lengths.size() + 1) % (BLOCK_SIZE + 1) != 0)
+            {
+                num += 1;
+            }
+            return num;
+        }();
+
+        block_offsets.reserve(number_of_blocks);
+        diff_blocks.reserve(number_of_blocks);
+
+        unsigned last_length = 0;
+        unsigned lengths_prefix_sum = 0;
+        unsigned block_idx = 0;
+        unsigned block_counter = 0;
+        BlockT block;
+        unsigned block_sum = 0;
+        for (const unsigned l : lengths)
+        {
+            // first entry of a block: encode absolute offset
+            if (block_idx == 0)
+            {
+                block_offsets.push_back(lengths_prefix_sum);
+                block_sum = 0;
+            }
+            else
+            {
+                block[block_idx - 1] = last_length;
+                block_sum += last_length;
+            }
+
+            BOOST_ASSERT((block_idx == 0 && block_offsets[block_counter] == lengths_prefix_sum) ||
+                         lengths_prefix_sum == (block_offsets[block_counter] + block_sum));
+
+            // block is full
+            if (BLOCK_SIZE == block_idx)
+            {
+                diff_blocks.push_back(block);
+                block_counter++;
+            }
+
+            // we can only store strings with length 255
+            BOOST_ASSERT(l <= 255);
+
+            lengths_prefix_sum += l;
+            last_length = l;
+
+            block_idx = (block_idx + 1) % (BLOCK_SIZE + 1);
+        }
+
+        // Last block can't be finished because we didn't add the sentinel
+        BOOST_ASSERT(block_counter == (number_of_blocks - 1));
+
+        // one block missing: starts with guard value
+        if (0 == block_idx)
+        {
+            // the last value is used as sentinel
+            block_offsets.push_back(lengths_prefix_sum);
+            block_idx = 1;
+            last_length = 0;
+        }
+
+        while (0 != block_idx)
+        {
+            block[block_idx - 1] = last_length;
+            last_length = 0;
+            block_idx = (block_idx + 1) % (BLOCK_SIZE + 1);
+        }
+        diff_blocks.push_back(block);
+
+        BOOST_ASSERT(diff_blocks.size() == number_of_blocks &&
+                     block_offsets.size() == number_of_blocks);
+
+        sum_lengths = lengths_prefix_sum;
+    }
+
+    inline RangeT GetRange(const unsigned id) const
+    {
+        BOOST_ASSERT(id < block_offsets.size() + diff_blocks.size() * BLOCK_SIZE);
+        // internal_idx 0 is implicitly stored in block_offsets[block_idx]
+        const unsigned internal_idx = id % (BLOCK_SIZE + 1);
+        const unsigned block_idx = id / (BLOCK_SIZE + 1);
+
+        BOOST_ASSERT(block_idx < diff_blocks.size());
+
+        unsigned begin_idx = 0;
+        unsigned end_idx = 0;
+        begin_idx = block_offsets[block_idx];
+        const BlockT &block = diff_blocks[block_idx];
+        if (internal_idx > 0)
+        {
+            begin_idx += PrefixSumAtIndex(internal_idx - 1, block);
+        }
+
+        // next index inside current block
+        if (internal_idx < BLOCK_SIZE)
+        {
+            // note internal_idx - 1 is the *current* index for uint8_blocks
+            end_idx = begin_idx + block[internal_idx];
+        }
+        else
+        {
+            BOOST_ASSERT(block_idx < block_offsets.size() - 1);
+            end_idx = block_offsets[block_idx + 1];
+        }
+
+        BOOST_ASSERT(begin_idx < sum_lengths && end_idx <= sum_lengths);
+        BOOST_ASSERT(begin_idx <= end_idx);
+
+        return osrm::irange(begin_idx, end_idx);
+    }
+
+  private:
+    inline unsigned PrefixSumAtIndex(int index, const BlockT &block) const;
+
+    // contains offset for each differential block
+    OffsetContainerT block_offsets;
+    // blocks of differential encoded offsets, should be aligned
+    BlockContainerT diff_blocks;
+    unsigned sum_lengths;
+};
+
+template <unsigned BLOCK_SIZE, bool USE_SHARED_MEMORY>
+unsigned RangeTable<BLOCK_SIZE, USE_SHARED_MEMORY>::PrefixSumAtIndex(int index,
+                                                                     const BlockT &block) const
+{
+    // this loop looks inefficent, but a modern compiler
+    // will emit nice SIMD here, at least for sensible block sizes. (I checked.)
+    unsigned sum = 0;
+    for (int i = 0; i <= index; ++i)
+    {
+        sum += block[i];
+    }
+
+    return sum;
+}
+
+template <unsigned BLOCK_SIZE, bool USE_SHARED_MEMORY>
+std::ostream &operator<<(std::ostream &out, const RangeTable<BLOCK_SIZE, USE_SHARED_MEMORY> &table)
+{
+    // write number of block
+    const unsigned number_of_blocks = table.diff_blocks.size();
+    out.write((char *)&number_of_blocks, sizeof(unsigned));
+    // write total length
+    out.write((char *)&table.sum_lengths, sizeof(unsigned));
+    // write block offsets
+    out.write((char *)table.block_offsets.data(), sizeof(unsigned) * table.block_offsets.size());
+    // write blocks
+    out.write((char *)table.diff_blocks.data(), BLOCK_SIZE * table.diff_blocks.size());
+
+    return out;
+}
+
+template <unsigned BLOCK_SIZE, bool USE_SHARED_MEMORY>
+std::istream &operator>>(std::istream &in, RangeTable<BLOCK_SIZE, USE_SHARED_MEMORY> &table)
+{
+    // read number of block
+    unsigned number_of_blocks;
+    in.read((char *)&number_of_blocks, sizeof(unsigned));
+    // read total length
+    in.read((char *)&table.sum_lengths, sizeof(unsigned));
+
+    table.block_offsets.resize(number_of_blocks);
+    table.diff_blocks.resize(number_of_blocks);
+
+    // read block offsets
+    in.read((char *)table.block_offsets.data(), sizeof(unsigned) * number_of_blocks);
+    // read blocks
+    in.read((char *)table.diff_blocks.data(), BLOCK_SIZE * number_of_blocks);
+    return in;
+}
+
+#endif // RANGE_TABLE_HPP

include/util/rectangle.hpp

@@ -0,0 +1,203 @@
+/*
+
+Copyright (c) 2015, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef RECTANGLE_HPP
+#define RECTANGLE_HPP
+
+#include "../algorithms/coordinate_calculation.hpp"
+
+#include <boost/assert.hpp>
+
+#include <osrm/coordinate.hpp>
+
+#include <algorithm>
+#include <cstdint>
+#include <limits>
+
+// TODO: Make template type, add tests
+struct RectangleInt2D
+{
+    RectangleInt2D()
+        : min_lon(std::numeric_limits<int32_t>::max()),
+          max_lon(std::numeric_limits<int32_t>::min()),
+          min_lat(std::numeric_limits<int32_t>::max()), max_lat(std::numeric_limits<int32_t>::min())
+    {
+    }
+
+    int32_t min_lon, max_lon;
+    int32_t min_lat, max_lat;
+
+    void MergeBoundingBoxes(const RectangleInt2D &other)
+    {
+        min_lon = std::min(min_lon, other.min_lon);
+        max_lon = std::max(max_lon, other.max_lon);
+        min_lat = std::min(min_lat, other.min_lat);
+        max_lat = std::max(max_lat, other.max_lat);
+        BOOST_ASSERT(min_lat != std::numeric_limits<int32_t>::min());
+        BOOST_ASSERT(min_lon != std::numeric_limits<int32_t>::min());
+        BOOST_ASSERT(max_lat != std::numeric_limits<int32_t>::min());
+        BOOST_ASSERT(max_lon != std::numeric_limits<int32_t>::min());
+    }
+
+    FixedPointCoordinate Centroid() const
+    {
+        FixedPointCoordinate centroid;
+        // The coordinates of the midpoints are given by:
+        // x = (x1 + x2) /2 and y = (y1 + y2) /2.
+        centroid.lon = (min_lon + max_lon) / 2;
+        centroid.lat = (min_lat + max_lat) / 2;
+        return centroid;
+    }
+
+    bool Intersects(const RectangleInt2D &other) const
+    {
+        FixedPointCoordinate upper_left(other.max_lat, other.min_lon);
+        FixedPointCoordinate upper_right(other.max_lat, other.max_lon);
+        FixedPointCoordinate lower_right(other.min_lat, other.max_lon);
+        FixedPointCoordinate lower_left(other.min_lat, other.min_lon);
+
+        return (Contains(upper_left) || Contains(upper_right) || Contains(lower_right) ||
+                Contains(lower_left));
+    }
+
+    float GetMinDist(const FixedPointCoordinate &location) const
+    {
+        const bool is_contained = Contains(location);
+        if (is_contained)
+        {
+            return 0.0f;
+        }
+
+        enum Direction
+        {
+            INVALID = 0,
+            NORTH = 1,
+            SOUTH = 2,
+            EAST = 4,
+            NORTH_EAST = 5,
+            SOUTH_EAST = 6,
+            WEST = 8,
+            NORTH_WEST = 9,
+            SOUTH_WEST = 10
+        };
+
+        Direction d = INVALID;
+        if (location.lat > max_lat)
+            d = (Direction)(d | NORTH);
+        else if (location.lat < min_lat)
+            d = (Direction)(d | SOUTH);
+        if (location.lon > max_lon)
+            d = (Direction)(d | EAST);
+        else if (location.lon < min_lon)
+            d = (Direction)(d | WEST);
+
+        BOOST_ASSERT(d != INVALID);
+
+        float min_dist = std::numeric_limits<float>::max();
+        switch (d)
+        {
+        case NORTH:
+            min_dist = coordinate_calculation::great_circle_distance(
+                location, FixedPointCoordinate(max_lat, location.lon));
+            break;
+        case SOUTH:
+            min_dist = coordinate_calculation::great_circle_distance(
+                location, FixedPointCoordinate(min_lat, location.lon));
+            break;
+        case WEST:
+            min_dist = coordinate_calculation::great_circle_distance(
+                location, FixedPointCoordinate(location.lat, min_lon));
+            break;
+        case EAST:
+            min_dist = coordinate_calculation::great_circle_distance(
+                location, FixedPointCoordinate(location.lat, max_lon));
+            break;
+        case NORTH_EAST:
+            min_dist = coordinate_calculation::great_circle_distance(
+                location, FixedPointCoordinate(max_lat, max_lon));
+            break;
+        case NORTH_WEST:
+            min_dist = coordinate_calculation::great_circle_distance(
+                location, FixedPointCoordinate(max_lat, min_lon));
+            break;
+        case SOUTH_EAST:
+            min_dist = coordinate_calculation::great_circle_distance(
+                location, FixedPointCoordinate(min_lat, max_lon));
+            break;
+        case SOUTH_WEST:
+            min_dist = coordinate_calculation::great_circle_distance(
+                location, FixedPointCoordinate(min_lat, min_lon));
+            break;
+        default:
+            break;
+        }
+
+        BOOST_ASSERT(min_dist < std::numeric_limits<float>::max());
+
+        return min_dist;
+    }
+
+    float GetMinMaxDist(const FixedPointCoordinate &location) const
+    {
+        float min_max_dist = std::numeric_limits<float>::max();
+        // Get minmax distance to each of the four sides
+        const FixedPointCoordinate upper_left(max_lat, min_lon);
+        const FixedPointCoordinate upper_right(max_lat, max_lon);
+        const FixedPointCoordinate lower_right(min_lat, max_lon);
+        const FixedPointCoordinate lower_left(min_lat, min_lon);
+
+        min_max_dist = std::min(
+            min_max_dist,
+            std::max(coordinate_calculation::great_circle_distance(location, upper_left),
+                     coordinate_calculation::great_circle_distance(location, upper_right)));
+
+        min_max_dist = std::min(
+            min_max_dist,
+            std::max(coordinate_calculation::great_circle_distance(location, upper_right),
+                     coordinate_calculation::great_circle_distance(location, lower_right)));
+
+        min_max_dist =
+            std::min(min_max_dist,
+                     std::max(coordinate_calculation::great_circle_distance(location, lower_right),
+                              coordinate_calculation::great_circle_distance(location, lower_left)));
+
+        min_max_dist =
+            std::min(min_max_dist,
+                     std::max(coordinate_calculation::great_circle_distance(location, lower_left),
+                              coordinate_calculation::great_circle_distance(location, upper_left)));
+        return min_max_dist;
+    }
+
+    bool Contains(const FixedPointCoordinate &location) const
+    {
+        const bool lats_contained = (location.lat >= min_lat) && (location.lat <= max_lat);
+        const bool lons_contained = (location.lon >= min_lon) && (location.lon <= max_lon);
+        return lats_contained && lons_contained;
+    }
+};
+
+#endif

include/util/routed_options.hpp

@@ -0,0 +1,284 @@
+/*
+
+Copyright (c) 2015, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef ROUTED_OPTIONS_HPP
+#define ROUTED_OPTIONS_HPP
+
+#include "util/version.hpp"
+#include "ini_file.hpp"
+#include "osrm_exception.hpp"
+#include "simple_logger.hpp"
+
+#include <boost/any.hpp>
+#include <boost/program_options.hpp>
+
+#include <unordered_map>
+#include <fstream>
+#include <string>
+const static unsigned INIT_OK_START_ENGINE = 0;
+const static unsigned INIT_OK_DO_NOT_START_ENGINE = 1;
+const static unsigned INIT_FAILED = -1;
+
+inline void
+populate_base_path(std::unordered_map<std::string, boost::filesystem::path> &server_paths)
+{
+    // populate the server_path object
+    auto path_iterator = server_paths.find("base");
+
+    // if a base path has been set, we populate it.
+    if (path_iterator != server_paths.end())
+    {
+        const std::string base_string = path_iterator->second.string();
+        SimpleLogger().Write() << "populating base path: " << base_string;
+
+        server_paths["hsgrdata"] = base_string + ".hsgr";
+        BOOST_ASSERT(server_paths.find("hsgrdata") != server_paths.end());
+        server_paths["nodesdata"] = base_string + ".nodes";
+        BOOST_ASSERT(server_paths.find("nodesdata") != server_paths.end());
+        server_paths["coredata"] = base_string + ".core";
+        BOOST_ASSERT(server_paths.find("coredata") != server_paths.end());
+        server_paths["edgesdata"] = base_string + ".edges";
+        BOOST_ASSERT(server_paths.find("edgesdata") != server_paths.end());
+        server_paths["geometries"] = base_string + ".geometry";
+        BOOST_ASSERT(server_paths.find("geometries") != server_paths.end());
+        server_paths["ramindex"] = base_string + ".ramIndex";
+        BOOST_ASSERT(server_paths.find("ramindex") != server_paths.end());
+        server_paths["fileindex"] = base_string + ".fileIndex";
+        BOOST_ASSERT(server_paths.find("fileindex") != server_paths.end());
+        server_paths["namesdata"] = base_string + ".names";
+        BOOST_ASSERT(server_paths.find("namesdata") != server_paths.end());
+        server_paths["timestamp"] = base_string + ".timestamp";
+        BOOST_ASSERT(server_paths.find("timestamp") != server_paths.end());
+    }
+
+    // check if files are give and whether they exist at all
+    path_iterator = server_paths.find("hsgrdata");
+    if (path_iterator == server_paths.end() ||
+        !boost::filesystem::is_regular_file(path_iterator->second))
+    {
+        throw osrm::exception(".hsgr not found");
+    }
+
+    path_iterator = server_paths.find("nodesdata");
+    if (path_iterator == server_paths.end() ||
+        !boost::filesystem::is_regular_file(path_iterator->second))
+    {
+        throw osrm::exception(".nodes not found");
+    }
+
+    path_iterator = server_paths.find("edgesdata");
+    if (path_iterator == server_paths.end() ||
+        !boost::filesystem::is_regular_file(path_iterator->second))
+    {
+        throw osrm::exception(".edges not found");
+    }
+
+    path_iterator = server_paths.find("geometries");
+    if (path_iterator == server_paths.end() ||
+        !boost::filesystem::is_regular_file(path_iterator->second))
+    {
+        throw osrm::exception(".geometry not found");
+    }
+
+    path_iterator = server_paths.find("ramindex");
+    if (path_iterator == server_paths.end() ||
+        !boost::filesystem::is_regular_file(path_iterator->second))
+    {
+        throw osrm::exception(".ramIndex not found");
+    }
+
+    path_iterator = server_paths.find("fileindex");
+    if (path_iterator == server_paths.end() ||
+        !boost::filesystem::is_regular_file(path_iterator->second))
+    {
+        throw osrm::exception(".fileIndex not found");
+    }
+
+    path_iterator = server_paths.find("namesdata");
+    if (path_iterator == server_paths.end() ||
+        !boost::filesystem::is_regular_file(path_iterator->second))
+    {
+        throw osrm::exception(".namesIndex not found");
+    }
+
+    SimpleLogger().Write() << "HSGR file:\t" << server_paths["hsgrdata"];
+    SimpleLogger().Write(logDEBUG) << "Nodes file:\t" << server_paths["nodesdata"];
+    SimpleLogger().Write(logDEBUG) << "Edges file:\t" << server_paths["edgesdata"];
+    SimpleLogger().Write(logDEBUG) << "Geometry file:\t" << server_paths["geometries"];
+    SimpleLogger().Write(logDEBUG) << "RAM file:\t" << server_paths["ramindex"];
+    SimpleLogger().Write(logDEBUG) << "Index file:\t" << server_paths["fileindex"];
+    SimpleLogger().Write(logDEBUG) << "Names file:\t" << server_paths["namesdata"];
+    SimpleLogger().Write(logDEBUG) << "Timestamp file:\t" << server_paths["timestamp"];
+}
+
+// generate boost::program_options object for the routing part
+inline unsigned
+GenerateServerProgramOptions(const int argc,
+                             const char *argv[],
+                             std::unordered_map<std::string, boost::filesystem::path> &paths,
+                             std::string &ip_address,
+                             int &ip_port,
+                             int &requested_num_threads,
+                             bool &use_shared_memory,
+                             bool &trial,
+                             int &max_locations_trip,
+                             int &max_locations_viaroute,
+                             int &max_locations_distance_table,
+                             int &max_locations_map_matching)
+{
+    using boost::program_options::value;
+    using boost::filesystem::path;
+
+    // declare a group of options that will be allowed only on command line
+    boost::program_options::options_description generic_options("Options");
+    generic_options.add_options()                                         //
+        ("version,v", "Show version")("help,h", "Show this help message") //
+        ("config,c", value<boost::filesystem::path>(&paths["config"])->default_value("server.ini"),
+         "Path to a configuration file") //
+        ("trial", value<bool>(&trial)->implicit_value(true), "Quit after initialization");
+
+    // declare a group of options that will be allowed both on command line
+    // as well as in a config file
+    boost::program_options::options_description config_options("Configuration");
+    config_options.add_options()                                                             //
+        ("hsgrdata", value<boost::filesystem::path>(&paths["hsgrdata"]), ".hsgr file")       //
+        ("nodesdata", value<boost::filesystem::path>(&paths["nodesdata"]), ".nodes file")    //
+        ("edgesdata", value<boost::filesystem::path>(&paths["edgesdata"]), ".edges file")    //
+        ("geometry", value<boost::filesystem::path>(&paths["geometries"]), ".geometry file") //
+        ("ramindex", value<boost::filesystem::path>(&paths["ramindex"]), ".ramIndex file")   //
+        ("fileindex", value<boost::filesystem::path>(&paths["fileindex"]),
+         "File index file") //
+        ("namesdata", value<boost::filesystem::path>(&paths["namesdata"]),
+         ".names file") //
+        ("timestamp", value<boost::filesystem::path>(&paths["timestamp"]),
+         ".timestamp file") //
+        ("ip,i", value<std::string>(&ip_address)->default_value("0.0.0.0"),
+         "IP address") //
+        ("port,p", value<int>(&ip_port)->default_value(5000),
+         "TCP/IP port") //
+        ("threads,t", value<int>(&requested_num_threads)->default_value(8),
+         "Number of threads to use") //
+        ("shared-memory,s",
+         value<bool>(&use_shared_memory)->implicit_value(true)->default_value(false),
+         "Load data from shared memory") //
+        ("max-viaroute-size", value<int>(&max_locations_viaroute)->default_value(500),
+         "Max. locations supported in viaroute query") //
+        ("max-trip-size", value<int>(&max_locations_trip)->default_value(100),
+         "Max. locations supported in trip query") //
+        ("max-table-size", value<int>(&max_locations_distance_table)->default_value(100),
+         "Max. locations supported in distance table query") //
+        ("max-matching-size", value<int>(&max_locations_map_matching)->default_value(100),
+         "Max. locations supported in map matching query");
+
+    // hidden options, will be allowed both on command line and in config
+    // file, but will not be shown to the user
+    boost::program_options::options_description hidden_options("Hidden options");
+    hidden_options.add_options()("base,b", value<boost::filesystem::path>(&paths["base"]),
+                                 "base path to .osrm file");
+
+    // positional option
+    boost::program_options::positional_options_description positional_options;
+    positional_options.add("base", 1);
+
+    // combine above options for parsing
+    boost::program_options::options_description cmdline_options;
+    cmdline_options.add(generic_options).add(config_options).add(hidden_options);
+
+    boost::program_options::options_description config_file_options;
+    config_file_options.add(config_options).add(hidden_options);
+
+    boost::program_options::options_description visible_options(
+        boost::filesystem::basename(argv[0]) + " <base.osrm> [<options>]");
+    visible_options.add(generic_options).add(config_options);
+
+    // parse command line options
+    boost::program_options::variables_map option_variables;
+    boost::program_options::store(boost::program_options::command_line_parser(argc, argv)
+                                      .options(cmdline_options)
+                                      .positional(positional_options)
+                                      .run(),
+                                  option_variables);
+
+    if (option_variables.count("version"))
+    {
+        SimpleLogger().Write() << OSRM_VERSION;
+        return INIT_OK_DO_NOT_START_ENGINE;
+    }
+
+    if (option_variables.count("help"))
+    {
+        SimpleLogger().Write() << visible_options;
+        return INIT_OK_DO_NOT_START_ENGINE;
+    }
+
+    boost::program_options::notify(option_variables);
+
+    // parse config file
+    auto path_iterator = paths.find("config");
+    if (path_iterator != paths.end() && boost::filesystem::is_regular_file(path_iterator->second) &&
+        !option_variables.count("base"))
+    {
+        SimpleLogger().Write() << "Reading options from: " << path_iterator->second.string();
+        std::string ini_file_contents = read_file_lower_content(path_iterator->second);
+        std::stringstream config_stream(ini_file_contents);
+        boost::program_options::store(parse_config_file(config_stream, config_file_options),
+                                      option_variables);
+        boost::program_options::notify(option_variables);
+        return INIT_OK_START_ENGINE;
+    }
+
+    if (1 > requested_num_threads)
+    {
+        throw osrm::exception("Number of threads must be a positive number");
+    }
+    if (2 > max_locations_distance_table)
+    {
+        throw osrm::exception("Max location for distance table must be at least two");
+    }
+    if (2 > max_locations_map_matching)
+    {
+        throw osrm::exception("Max location for map matching must be at least two");
+    }
+
+    if (!use_shared_memory && option_variables.count("base"))
+    {
+        return INIT_OK_START_ENGINE;
+    }
+    else if (use_shared_memory && !option_variables.count("base"))
+    {
+        return INIT_OK_START_ENGINE;
+    }
+    else if (use_shared_memory && option_variables.count("base"))
+    {
+        SimpleLogger().Write(logWARNING) << "Shared memory settings conflict with path settings.";
+    }
+
+    SimpleLogger().Write() << visible_options;
+    return INIT_OK_DO_NOT_START_ENGINE;
+}
+
+#endif // ROUTED_OPTIONS_HPP

include/util/shared_memory_vector_wrapper.hpp

@@ -0,0 +1,154 @@
+/*
+
+Copyright (c) 2014, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef SHARED_MEMORY_VECTOR_WRAPPER_HPP
+#define SHARED_MEMORY_VECTOR_WRAPPER_HPP
+
+#include <boost/assert.hpp>
+
+#include <algorithm>
+#include <iterator>
+#include <type_traits>
+#include <vector>
+
+template <typename DataT> class ShMemIterator : public std::iterator<std::input_iterator_tag, DataT>
+{
+    DataT *p;
+
+  public:
+    explicit ShMemIterator(DataT *x) : p(x) {}
+    ShMemIterator(const ShMemIterator &mit) : p(mit.p) {}
+    ShMemIterator &operator++()
+    {
+        ++p;
+        return *this;
+    }
+    ShMemIterator operator++(int)
+    {
+        ShMemIterator tmp(*this);
+        operator++();
+        return tmp;
+    }
+    ShMemIterator operator+(std::ptrdiff_t diff)
+    {
+        ShMemIterator tmp(p + diff);
+        return tmp;
+    }
+    bool operator==(const ShMemIterator &rhs) { return p == rhs.p; }
+    bool operator!=(const ShMemIterator &rhs) { return p != rhs.p; }
+    DataT &operator*() { return *p; }
+};
+
+template <typename DataT> class SharedMemoryWrapper
+{
+  private:
+    DataT *m_ptr;
+    std::size_t m_size;
+
+  public:
+    SharedMemoryWrapper() : m_ptr(nullptr), m_size(0) {}
+
+    SharedMemoryWrapper(DataT *ptr, std::size_t size) : m_ptr(ptr), m_size(size) {}
+
+    void swap(SharedMemoryWrapper<DataT> &other)
+    {
+        // BOOST_ASSERT_MSG(m_size != 0 || other.size() != 0, "size invalid");
+        std::swap(m_size, other.m_size);
+        std::swap(m_ptr, other.m_ptr);
+    }
+
+    DataT &at(const std::size_t index) { return m_ptr[index]; }
+
+    const DataT &at(const std::size_t index) const { return m_ptr[index]; }
+
+    ShMemIterator<DataT> begin() const { return ShMemIterator<DataT>(m_ptr); }
+
+    ShMemIterator<DataT> end() const { return ShMemIterator<DataT>(m_ptr + m_size); }
+
+    std::size_t size() const { return m_size; }
+
+    bool empty() const { return 0 == size(); }
+
+    DataT &operator[](const unsigned index)
+    {
+        BOOST_ASSERT_MSG(index < m_size, "invalid size");
+        return m_ptr[index];
+    }
+
+    const DataT &operator[](const unsigned index) const
+    {
+        BOOST_ASSERT_MSG(index < m_size, "invalid size");
+        return m_ptr[index];
+    }
+};
+
+template <> class SharedMemoryWrapper<bool>
+{
+  private:
+    unsigned *m_ptr;
+    std::size_t m_size;
+
+  public:
+    SharedMemoryWrapper() : m_ptr(nullptr), m_size(0) {}
+
+    SharedMemoryWrapper(unsigned *ptr, std::size_t size) : m_ptr(ptr), m_size(size) {}
+
+    void swap(SharedMemoryWrapper<bool> &other)
+    {
+        // BOOST_ASSERT_MSG(m_size != 0 || other.size() != 0, "size invalid");
+        std::swap(m_size, other.m_size);
+        std::swap(m_ptr, other.m_ptr);
+    }
+
+    bool at(const std::size_t index) const
+    {
+        const std::size_t bucket = index / 32;
+        const unsigned offset = static_cast<unsigned>(index % 32);
+        return m_ptr[bucket] & (1 << offset);
+    }
+
+    std::size_t size() const { return m_size; }
+
+    bool empty() const { return 0 == size(); }
+
+    bool operator[](const unsigned index)
+    {
+        BOOST_ASSERT_MSG(index < m_size, "invalid size");
+        const unsigned bucket = index / 32;
+        const unsigned offset = index % 32;
+        return m_ptr[bucket] & (1 << offset);
+    }
+};
+
+template <typename DataT, bool UseSharedMemory> struct ShM
+{
+    using vector = typename std::conditional<UseSharedMemory,
+                                             SharedMemoryWrapper<DataT>,
+                                             std::vector<DataT>>::type;
+};
+
+#endif // SHARED_MEMORY_VECTOR_WRAPPER_HPP

include/util/simple_logger.hpp

@@ -0,0 +1,74 @@
+/*
+
+Copyright (c) 2015, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef SIMPLE_LOGGER_HPP
+#define SIMPLE_LOGGER_HPP
+
+#include <atomic>
+#include <mutex>
+#include <sstream>
+
+enum LogLevel
+{
+    logINFO,
+    logWARNING,
+    logDEBUG
+};
+
+class LogPolicy
+{
+  public:
+    void Unmute();
+
+    void Mute();
+
+    bool IsMute() const;
+
+    static LogPolicy &GetInstance();
+
+    LogPolicy(const LogPolicy &) = delete;
+
+  private:
+    LogPolicy() : m_is_mute(true) {}
+    std::atomic<bool> m_is_mute;
+};
+
+class SimpleLogger
+{
+  public:
+    SimpleLogger();
+
+    virtual ~SimpleLogger();
+    std::mutex &get_mutex();
+    std::ostringstream &Write(LogLevel l = logINFO) noexcept;
+
+  private:
+    std::ostringstream os;
+    LogLevel level;
+};
+
+#endif /* SIMPLE_LOGGER_HPP */

include/util/static_graph.hpp

@@ -0,0 +1,219 @@
+/*
+
+Copyright (c) 2015, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef STATIC_GRAPH_HPP
+#define STATIC_GRAPH_HPP
+
+#include "percent.hpp"
+#include "shared_memory_vector_wrapper.hpp"
+#include "../util/integer_range.hpp"
+#include "../typedefs.h"
+
+#include <boost/assert.hpp>
+
+#include <algorithm>
+#include <limits>
+#include <utility>
+#include <vector>
+
+template <typename EdgeDataT, bool UseSharedMemory = false> class StaticGraph
+{
+  public:
+    using NodeIterator = NodeID;
+    using EdgeIterator = NodeID;
+    using EdgeData = EdgeDataT;
+    using EdgeRange = osrm::range<EdgeIterator>;
+
+    class InputEdge
+    {
+      public:
+        NodeIterator source;
+        NodeIterator target;
+        EdgeDataT data;
+
+        template <typename... Ts>
+        InputEdge(NodeIterator source, NodeIterator target, Ts &&... data)
+            : source(source), target(target), data(std::forward<Ts>(data)...)
+        {
+        }
+        bool operator<(const InputEdge &right) const
+        {
+            if (source != right.source)
+            {
+                return source < right.source;
+            }
+            return target < right.target;
+        }
+    };
+
+    struct NodeArrayEntry
+    {
+        // index of the first edge
+        EdgeIterator first_edge;
+    };
+
+    struct EdgeArrayEntry
+    {
+        NodeID target;
+        EdgeDataT data;
+    };
+
+    EdgeRange GetAdjacentEdgeRange(const NodeID node) const
+    {
+        return osrm::irange(BeginEdges(node), EndEdges(node));
+    }
+
+    template<typename ContainerT>
+    StaticGraph(const int nodes, const ContainerT &graph)
+    {
+        BOOST_ASSERT(std::is_sorted(const_cast<ContainerT&>(graph).begin(), const_cast<ContainerT&>(graph).end()));
+
+        number_of_nodes = nodes;
+        number_of_edges = static_cast<EdgeIterator>(graph.size());
+        node_array.resize(number_of_nodes + 1);
+        EdgeIterator edge = 0;
+        EdgeIterator position = 0;
+        for (const auto node : osrm::irange(0u, number_of_nodes + 1))
+        {
+            EdgeIterator last_edge = edge;
+            while (edge < number_of_edges && graph[edge].source == node)
+            {
+                ++edge;
+            }
+            node_array[node].first_edge = position; //=edge
+            position += edge - last_edge;           // remove
+        }
+        edge_array.resize(position); //(edge)
+        edge = 0;
+        for (const auto node : osrm::irange(0u, number_of_nodes))
+        {
+            EdgeIterator e = node_array[node + 1].first_edge;
+            for (const auto i : osrm::irange(node_array[node].first_edge, e))
+            {
+                edge_array[i].target = graph[edge].target;
+                edge_array[i].data = graph[edge].data;
+                edge++;
+            }
+        }
+    }
+
+    StaticGraph(typename ShM<NodeArrayEntry, UseSharedMemory>::vector &nodes,
+                typename ShM<EdgeArrayEntry, UseSharedMemory>::vector &edges)
+    {
+        number_of_nodes = static_cast<decltype(number_of_nodes)>(nodes.size() - 1);
+        number_of_edges = static_cast<decltype(number_of_edges)>(edges.size());
+
+        node_array.swap(nodes);
+        edge_array.swap(edges);
+    }
+
+    unsigned GetNumberOfNodes() const { return number_of_nodes; }
+
+    unsigned GetNumberOfEdges() const { return number_of_edges; }
+
+    unsigned GetOutDegree(const NodeIterator n) const { return EndEdges(n) - BeginEdges(n); }
+
+    inline NodeIterator GetTarget(const EdgeIterator e) const
+    {
+        return NodeIterator(edge_array[e].target);
+    }
+
+    EdgeDataT &GetEdgeData(const EdgeIterator e) { return edge_array[e].data; }
+
+    const EdgeDataT &GetEdgeData(const EdgeIterator e) const { return edge_array[e].data; }
+
+    EdgeIterator BeginEdges(const NodeIterator n) const
+    {
+        return EdgeIterator(node_array.at(n).first_edge);
+    }
+
+    EdgeIterator EndEdges(const NodeIterator n) const
+    {
+        return EdgeIterator(node_array.at(n + 1).first_edge);
+    }
+
+    // searches for a specific edge
+    EdgeIterator FindEdge(const NodeIterator from, const NodeIterator to) const
+    {
+        for (const auto i : osrm::irange(BeginEdges(from), EndEdges(from)))
+        {
+            if (to == edge_array[i].target)
+            {
+                return i;
+            }
+        }
+        return SPECIAL_EDGEID;
+    }
+
+    // searches for a specific edge
+    EdgeIterator FindSmallestEdge(const NodeIterator from, const NodeIterator to) const
+    {
+        EdgeIterator smallest_edge = SPECIAL_EDGEID;
+        EdgeWeight smallest_weight = INVALID_EDGE_WEIGHT;
+        for (auto edge : GetAdjacentEdgeRange(from))
+        {
+            const NodeID target = GetTarget(edge);
+            const EdgeWeight weight = GetEdgeData(edge).distance;
+            if (target == to && weight < smallest_weight)
+            {
+                smallest_edge = edge;
+                smallest_weight = weight;
+            }
+        }
+        return smallest_edge;
+    }
+
+    EdgeIterator FindEdgeInEitherDirection(const NodeIterator from, const NodeIterator to) const
+    {
+        EdgeIterator tmp = FindEdge(from, to);
+        return (SPECIAL_NODEID != tmp ? tmp : FindEdge(to, from));
+    }
+
+    EdgeIterator
+    FindEdgeIndicateIfReverse(const NodeIterator from, const NodeIterator to, bool &result) const
+    {
+        EdgeIterator current_iterator = FindEdge(from, to);
+        if (SPECIAL_NODEID == current_iterator)
+        {
+            current_iterator = FindEdge(to, from);
+            if (SPECIAL_NODEID != current_iterator)
+            {
+                result = true;
+            }
+        }
+        return current_iterator;
+    }
+
+  private:
+    NodeIterator number_of_nodes;
+    EdgeIterator number_of_edges;
+
+    typename ShM<NodeArrayEntry, UseSharedMemory>::vector node_array;
+    typename ShM<EdgeArrayEntry, UseSharedMemory>::vector edge_array;
+};
+
+#endif // STATIC_GRAPH_HPP

include/util/static_rtree.hpp

@@ -0,0 +1,521 @@
+/*
+
+Copyright (c) 2015, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef STATIC_RTREE_HPP
+#define STATIC_RTREE_HPP
+
+#include "deallocating_vector.hpp"
+#include "hilbert_value.hpp"
+#include "rectangle.hpp"
+#include "shared_memory_factory.hpp"
+#include "shared_memory_vector_wrapper.hpp"
+
+#include "../util/bearing.hpp"
+#include "../util/integer_range.hpp"
+#include "../util/mercator.hpp"
+#include "../util/osrm_exception.hpp"
+#include "../typedefs.h"
+
+#include <osrm/coordinate.hpp>
+
+#include <boost/assert.hpp>
+#include <boost/filesystem.hpp>
+#include <boost/filesystem/fstream.hpp>
+
+#include <tbb/parallel_for.h>
+#include <tbb/parallel_sort.h>
+
+#include <variant/variant.hpp>
+
+#include <algorithm>
+#include <array>
+#include <limits>
+#include <memory>
+#include <queue>
+#include <string>
+#include <vector>
+
+// Static RTree for serving nearest neighbour queries
+template <class EdgeDataT,
+          class CoordinateListT = std::vector<FixedPointCoordinate>,
+          bool UseSharedMemory = false,
+          uint32_t BRANCHING_FACTOR = 64,
+          uint32_t LEAF_NODE_SIZE = 1024>
+class StaticRTree
+{
+  public:
+    using Rectangle = RectangleInt2D;
+    using EdgeData = EdgeDataT;
+    using CoordinateList = CoordinateListT;
+
+    static constexpr std::size_t MAX_CHECKED_ELEMENTS = 4 * LEAF_NODE_SIZE;
+
+    struct TreeNode
+    {
+        TreeNode() : child_count(0), child_is_on_disk(false) {}
+        Rectangle minimum_bounding_rectangle;
+        uint32_t child_count : 31;
+        bool child_is_on_disk : 1;
+        uint32_t children[BRANCHING_FACTOR];
+    };
+
+  private:
+    struct WrappedInputElement
+    {
+        explicit WrappedInputElement(const uint64_t _hilbert_value, const uint32_t _array_index)
+            : m_hilbert_value(_hilbert_value), m_array_index(_array_index)
+        {
+        }
+
+        WrappedInputElement() : m_hilbert_value(0), m_array_index(UINT_MAX) {}
+
+        uint64_t m_hilbert_value;
+        uint32_t m_array_index;
+
+        inline bool operator<(const WrappedInputElement &other) const
+        {
+            return m_hilbert_value < other.m_hilbert_value;
+        }
+    };
+
+    struct LeafNode
+    {
+        LeafNode() : object_count(0), objects() {}
+        uint32_t object_count;
+        std::array<EdgeDataT, LEAF_NODE_SIZE> objects;
+    };
+
+    using QueryNodeType = mapbox::util::variant<TreeNode, EdgeDataT>;
+    struct QueryCandidate
+    {
+        inline bool operator<(const QueryCandidate &other) const
+        {
+            // Attn: this is reversed order. std::pq is a max pq!
+            return other.min_dist < min_dist;
+        }
+
+        float min_dist;
+        QueryNodeType node;
+    };
+
+    typename ShM<TreeNode, UseSharedMemory>::vector m_search_tree;
+    uint64_t m_element_count;
+    const std::string m_leaf_node_filename;
+    std::shared_ptr<CoordinateListT> m_coordinate_list;
+    boost::filesystem::ifstream leaves_stream;
+
+  public:
+    StaticRTree() = delete;
+    StaticRTree(const StaticRTree &) = delete;
+
+    template <typename CoordinateT>
+    // Construct a packed Hilbert-R-Tree with Kamel-Faloutsos algorithm [1]
+    explicit StaticRTree(const std::vector<EdgeDataT> &input_data_vector,
+                         const std::string &tree_node_filename,
+                         const std::string &leaf_node_filename,
+                         const std::vector<CoordinateT> &coordinate_list)
+        : m_element_count(input_data_vector.size()), m_leaf_node_filename(leaf_node_filename)
+    {
+        std::vector<WrappedInputElement> input_wrapper_vector(m_element_count);
+
+        HilbertCode get_hilbert_number;
+
+        // generate auxiliary vector of hilbert-values
+        tbb::parallel_for(
+            tbb::blocked_range<uint64_t>(0, m_element_count),
+            [&input_data_vector, &input_wrapper_vector, &get_hilbert_number,
+             &coordinate_list](const tbb::blocked_range<uint64_t> &range)
+            {
+                for (uint64_t element_counter = range.begin(), end = range.end();
+                     element_counter != end; ++element_counter)
+                {
+                    WrappedInputElement &current_wrapper = input_wrapper_vector[element_counter];
+                    current_wrapper.m_array_index = element_counter;
+
+                    EdgeDataT const &current_element = input_data_vector[element_counter];
+
+                    // Get Hilbert-Value for centroid in mercartor projection
+                    FixedPointCoordinate current_centroid = EdgeDataT::Centroid(
+                        FixedPointCoordinate(coordinate_list.at(current_element.u).lat,
+                                             coordinate_list.at(current_element.u).lon),
+                        FixedPointCoordinate(coordinate_list.at(current_element.v).lat,
+                                             coordinate_list.at(current_element.v).lon));
+                    current_centroid.lat =
+                        COORDINATE_PRECISION *
+                        mercator::lat2y(current_centroid.lat / COORDINATE_PRECISION);
+
+                    current_wrapper.m_hilbert_value = get_hilbert_number(current_centroid);
+                }
+            });
+
+        // open leaf file
+        boost::filesystem::ofstream leaf_node_file(leaf_node_filename, std::ios::binary);
+        leaf_node_file.write((char *)&m_element_count, sizeof(uint64_t));
+
+        // sort the hilbert-value representatives
+        tbb::parallel_sort(input_wrapper_vector.begin(), input_wrapper_vector.end());
+        std::vector<TreeNode> tree_nodes_in_level;
+
+        // pack M elements into leaf node and write to leaf file
+        uint64_t processed_objects_count = 0;
+        while (processed_objects_count < m_element_count)
+        {
+
+            LeafNode current_leaf;
+            TreeNode current_node;
+            for (uint32_t current_element_index = 0; LEAF_NODE_SIZE > current_element_index;
+                 ++current_element_index)
+            {
+                if (m_element_count > (processed_objects_count + current_element_index))
+                {
+                    uint32_t index_of_next_object =
+                        input_wrapper_vector[processed_objects_count + current_element_index]
+                            .m_array_index;
+                    current_leaf.objects[current_element_index] =
+                        input_data_vector[index_of_next_object];
+                    ++current_leaf.object_count;
+                }
+            }
+
+            // generate tree node that resemble the objects in leaf and store it for next level
+            InitializeMBRectangle(current_node.minimum_bounding_rectangle, current_leaf.objects,
+                                  current_leaf.object_count, coordinate_list);
+            current_node.child_is_on_disk = true;
+            current_node.children[0] = tree_nodes_in_level.size();
+            tree_nodes_in_level.emplace_back(current_node);
+
+            // write leaf_node to leaf node file
+            leaf_node_file.write((char *)&current_leaf, sizeof(current_leaf));
+            processed_objects_count += current_leaf.object_count;
+        }
+
+        // close leaf file
+        leaf_node_file.close();
+
+        uint32_t processing_level = 0;
+        while (1 < tree_nodes_in_level.size())
+        {
+            std::vector<TreeNode> tree_nodes_in_next_level;
+            uint32_t processed_tree_nodes_in_level = 0;
+            while (processed_tree_nodes_in_level < tree_nodes_in_level.size())
+            {
+                TreeNode parent_node;
+                // pack BRANCHING_FACTOR elements into tree_nodes each
+                for (uint32_t current_child_node_index = 0;
+                     BRANCHING_FACTOR > current_child_node_index; ++current_child_node_index)
+                {
+                    if (processed_tree_nodes_in_level < tree_nodes_in_level.size())
+                    {
+                        TreeNode &current_child_node =
+                            tree_nodes_in_level[processed_tree_nodes_in_level];
+                        // add tree node to parent entry
+                        parent_node.children[current_child_node_index] = m_search_tree.size();
+                        m_search_tree.emplace_back(current_child_node);
+                        // merge MBRs
+                        parent_node.minimum_bounding_rectangle.MergeBoundingBoxes(
+                            current_child_node.minimum_bounding_rectangle);
+                        // increase counters
+                        ++parent_node.child_count;
+                        ++processed_tree_nodes_in_level;
+                    }
+                }
+                tree_nodes_in_next_level.emplace_back(parent_node);
+            }
+            tree_nodes_in_level.swap(tree_nodes_in_next_level);
+            ++processing_level;
+        }
+        BOOST_ASSERT_MSG(1 == tree_nodes_in_level.size(), "tree broken, more than one root node");
+        // last remaining entry is the root node, store it
+        m_search_tree.emplace_back(tree_nodes_in_level[0]);
+
+        // reverse and renumber tree to have root at index 0
+        std::reverse(m_search_tree.begin(), m_search_tree.end());
+
+        uint32_t search_tree_size = m_search_tree.size();
+        tbb::parallel_for(tbb::blocked_range<uint32_t>(0, search_tree_size),
+                          [this, &search_tree_size](const tbb::blocked_range<uint32_t> &range)
+                          {
+                              for (uint32_t i = range.begin(), end = range.end(); i != end; ++i)
+                              {
+                                  TreeNode &current_tree_node = this->m_search_tree[i];
+                                  for (uint32_t j = 0; j < current_tree_node.child_count; ++j)
+                                  {
+                                      const uint32_t old_id = current_tree_node.children[j];
+                                      const uint32_t new_id = search_tree_size - old_id - 1;
+                                      current_tree_node.children[j] = new_id;
+                                  }
+                              }
+                          });
+
+        // open tree file
+        boost::filesystem::ofstream tree_node_file(tree_node_filename, std::ios::binary);
+
+        uint32_t size_of_tree = m_search_tree.size();
+        BOOST_ASSERT_MSG(0 < size_of_tree, "tree empty");
+        tree_node_file.write((char *)&size_of_tree, sizeof(uint32_t));
+        tree_node_file.write((char *)&m_search_tree[0], sizeof(TreeNode) * size_of_tree);
+        // close tree node file.
+        tree_node_file.close();
+    }
+
+    explicit StaticRTree(const boost::filesystem::path &node_file,
+                         const boost::filesystem::path &leaf_file,
+                         const std::shared_ptr<CoordinateListT> coordinate_list)
+        : m_leaf_node_filename(leaf_file.string())
+    {
+        // open tree node file and load into RAM.
+        m_coordinate_list = coordinate_list;
+
+        if (!boost::filesystem::exists(node_file))
+        {
+            throw osrm::exception("ram index file does not exist");
+        }
+        if (0 == boost::filesystem::file_size(node_file))
+        {
+            throw osrm::exception("ram index file is empty");
+        }
+        boost::filesystem::ifstream tree_node_file(node_file, std::ios::binary);
+
+        uint32_t tree_size = 0;
+        tree_node_file.read((char *)&tree_size, sizeof(uint32_t));
+
+        m_search_tree.resize(tree_size);
+        if (tree_size > 0)
+        {
+            tree_node_file.read((char *)&m_search_tree[0], sizeof(TreeNode) * tree_size);
+        }
+        tree_node_file.close();
+        // open leaf node file and store thread specific pointer
+        if (!boost::filesystem::exists(leaf_file))
+        {
+            throw osrm::exception("mem index file does not exist");
+        }
+        if (0 == boost::filesystem::file_size(leaf_file))
+        {
+            throw osrm::exception("mem index file is empty");
+        }
+
+        leaves_stream.open(leaf_file, std::ios::binary);
+        leaves_stream.read((char *)&m_element_count, sizeof(uint64_t));
+    }
+
+    explicit StaticRTree(TreeNode *tree_node_ptr,
+                         const uint64_t number_of_nodes,
+                         const boost::filesystem::path &leaf_file,
+                         std::shared_ptr<CoordinateListT> coordinate_list)
+        : m_search_tree(tree_node_ptr, number_of_nodes), m_leaf_node_filename(leaf_file.string()),
+          m_coordinate_list(std::move(coordinate_list))
+    {
+        // open leaf node file and store thread specific pointer
+        if (!boost::filesystem::exists(leaf_file))
+        {
+            throw osrm::exception("mem index file does not exist");
+        }
+        if (0 == boost::filesystem::file_size(leaf_file))
+        {
+            throw osrm::exception("mem index file is empty");
+        }
+
+        leaves_stream.open(leaf_file, std::ios::binary);
+        leaves_stream.read((char *)&m_element_count, sizeof(uint64_t));
+    }
+
+    // Override filter and terminator for the desired behaviour.
+    std::vector<EdgeDataT> Nearest(const FixedPointCoordinate &input_coordinate,
+                                const std::size_t max_results)
+    {
+        return Nearest(input_coordinate,
+                       [](const EdgeDataT &)
+                       {
+                           return std::make_pair(true, true);
+                       },
+                       [max_results](const std::size_t num_results, const float)
+                       {
+                           return num_results >= max_results;
+                       });
+    }
+
+    // Override filter and terminator for the desired behaviour.
+    template <typename FilterT, typename TerminationT>
+    std::vector<EdgeDataT> Nearest(const FixedPointCoordinate &input_coordinate,
+                                const FilterT filter,
+                                const TerminationT terminate)
+    {
+        std::vector<EdgeDataT> results;
+        std::pair<double, double> projected_coordinate = {
+            mercator::lat2y(input_coordinate.lat / COORDINATE_PRECISION),
+            input_coordinate.lon / COORDINATE_PRECISION};
+
+        // initialize queue with root element
+        std::priority_queue<QueryCandidate> traversal_queue;
+        traversal_queue.push(QueryCandidate {0.f, m_search_tree[0]});
+
+        while (!traversal_queue.empty())
+        {
+            const QueryCandidate current_query_node = traversal_queue.top();
+            if (terminate(results.size(), current_query_node.min_dist))
+            {
+                traversal_queue = std::priority_queue<QueryCandidate>{};
+                break;
+            }
+
+            traversal_queue.pop();
+
+            if (current_query_node.node.template is<TreeNode>())
+            { // current object is a tree node
+                const TreeNode &current_tree_node =
+                    current_query_node.node.template get<TreeNode>();
+                if (current_tree_node.child_is_on_disk)
+                {
+                    ExploreLeafNode(current_tree_node.children[0], input_coordinate,
+                                    projected_coordinate, traversal_queue);
+                }
+                else
+                {
+                    ExploreTreeNode(current_tree_node, input_coordinate, traversal_queue);
+                }
+            }
+            else
+            {
+                // inspecting an actual road segment
+                const auto &current_segment = current_query_node.node.template get<EdgeDataT>();
+
+
+                auto use_segment = filter(current_segment);
+                if (!use_segment.first && !use_segment.second)
+                {
+                    continue;
+                }
+
+                // store phantom node in result vector
+                results.push_back(std::move(current_segment));
+
+                if (!use_segment.first)
+                {
+                    results.back().forward_edge_based_node_id = SPECIAL_NODEID;
+                }
+                else if (!use_segment.second)
+                {
+                    results.back().reverse_edge_based_node_id = SPECIAL_NODEID;
+                }
+            }
+        }
+
+        return results;
+    }
+
+  private:
+    template <typename QueueT>
+    void ExploreLeafNode(const std::uint32_t leaf_id,
+                         const FixedPointCoordinate &input_coordinate,
+                         const std::pair<double, double> &projected_coordinate,
+                         QueueT &traversal_queue)
+    {
+        LeafNode current_leaf_node;
+        LoadLeafFromDisk(leaf_id, current_leaf_node);
+
+        // current object represents a block on disk
+        for (const auto i : osrm::irange(0u, current_leaf_node.object_count))
+        {
+            auto &current_edge = current_leaf_node.objects[i];
+            const float current_perpendicular_distance =
+                coordinate_calculation::perpendicular_distance_from_projected_coordinate(
+                    m_coordinate_list->at(current_edge.u), m_coordinate_list->at(current_edge.v),
+                    input_coordinate, projected_coordinate);
+            // distance must be non-negative
+            BOOST_ASSERT(0.f <= current_perpendicular_distance);
+
+            traversal_queue.push(QueryCandidate {current_perpendicular_distance, std::move(current_edge)});
+        }
+    }
+
+    template <class QueueT>
+    void ExploreTreeNode(const TreeNode &parent,
+                         const FixedPointCoordinate &input_coordinate,
+                         QueueT &traversal_queue)
+    {
+        for (uint32_t i = 0; i < parent.child_count; ++i)
+        {
+            const int32_t child_id = parent.children[i];
+            const auto &child_tree_node = m_search_tree[child_id];
+            const auto &child_rectangle = child_tree_node.minimum_bounding_rectangle;
+            const float lower_bound_to_element = child_rectangle.GetMinDist(input_coordinate);
+            traversal_queue.push(QueryCandidate {lower_bound_to_element, m_search_tree[child_id]});
+        }
+    }
+
+    inline void LoadLeafFromDisk(const uint32_t leaf_id, LeafNode &result_node)
+    {
+        if (!leaves_stream.is_open())
+        {
+            leaves_stream.open(m_leaf_node_filename, std::ios::in | std::ios::binary);
+        }
+        if (!leaves_stream.good())
+        {
+          throw osrm::exception("Could not read from leaf file.");
+        }
+        const uint64_t seek_pos = sizeof(uint64_t) + leaf_id * sizeof(LeafNode);
+        leaves_stream.seekg(seek_pos);
+        BOOST_ASSERT_MSG(leaves_stream.good(), "Seeking to position in leaf file failed.");
+        leaves_stream.read((char *)&result_node, sizeof(LeafNode));
+        BOOST_ASSERT_MSG(leaves_stream.good(), "Reading from leaf file failed.");
+    }
+
+    template <typename CoordinateT>
+    void InitializeMBRectangle(Rectangle &rectangle,
+                               const std::array<EdgeDataT, LEAF_NODE_SIZE> &objects,
+                               const uint32_t element_count,
+                               const std::vector<CoordinateT> &coordinate_list)
+    {
+        for (uint32_t i = 0; i < element_count; ++i)
+        {
+            rectangle.min_lon =
+                std::min(rectangle.min_lon, std::min(coordinate_list.at(objects[i].u).lon,
+                                                     coordinate_list.at(objects[i].v).lon));
+            rectangle.max_lon =
+                std::max(rectangle.max_lon, std::max(coordinate_list.at(objects[i].u).lon,
+                                                     coordinate_list.at(objects[i].v).lon));
+
+            rectangle.min_lat =
+                std::min(rectangle.min_lat, std::min(coordinate_list.at(objects[i].u).lat,
+                                                     coordinate_list.at(objects[i].v).lat));
+            rectangle.max_lat =
+                std::max(rectangle.max_lat, std::max(coordinate_list.at(objects[i].u).lat,
+                                                     coordinate_list.at(objects[i].v).lat));
+        }
+        BOOST_ASSERT(rectangle.min_lat != std::numeric_limits<int>::min());
+        BOOST_ASSERT(rectangle.min_lon != std::numeric_limits<int>::min());
+        BOOST_ASSERT(rectangle.max_lat != std::numeric_limits<int>::min());
+        BOOST_ASSERT(rectangle.max_lon != std::numeric_limits<int>::min());
+    }
+};
+
+//[1] "On Packing R-Trees"; I. Kamel, C. Faloutsos; 1993; DOI: 10.1145/170088.170403
+//[2] "Nearest Neighbor Queries", N. Roussopulos et al; 1995; DOI: 10.1145/223784.223794
+//[3] "Distance Browsing in Spatial Databases"; G. Hjaltason, H. Samet; 1999; ACM Trans. DB Sys
+// Vol.24 No.2, pp.265-318
+#endif // STATIC_RTREE_HPP

include/util/std_hash.hpp

@@ -0,0 +1,72 @@
+/*
+
+Copyright (c) 2014, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef STD_HASH_HPP
+#define STD_HASH_HPP
+
+#include <functional>
+
+// this is largely inspired by boost's hash combine as can be found in
+// "The C++ Standard Library" 2nd Edition. Nicolai M. Josuttis. 2012.
+
+namespace
+{
+
+template <typename T> void hash_combine(std::size_t &seed, const T &val)
+{
+    seed ^= std::hash<T>()(val) + 0x9e3779b9 + (seed << 6) + (seed >> 2);
+}
+
+template <typename T> void hash_val(std::size_t &seed, const T &val) { hash_combine(seed, val); }
+
+template <typename T, typename... Types>
+void hash_val(std::size_t &seed, const T &val, const Types &... args)
+{
+    hash_combine(seed, val);
+    hash_val(seed, args...);
+}
+
+template <typename... Types> std::size_t hash_val(const Types &... args)
+{
+    std::size_t seed = 0;
+    hash_val(seed, args...);
+    return seed;
+}
+}
+
+namespace std
+{
+template <typename T1, typename T2> struct hash<std::pair<T1, T2>>
+{
+    size_t operator()(const std::pair<T1, T2> &pair) const
+    {
+        return hash_val(pair.first, pair.second);
+    }
+};
+}
+
+#endif // STD_HASH_HPP

include/util/string_util.hpp

@@ -0,0 +1,152 @@
+/*
+
+Copyright (c) 2015, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef STRING_UTIL_HPP
+#define STRING_UTIL_HPP
+
+#include <cctype>
+
+#include <random>
+#include <string>
+#include <vector>
+
+// precision:  position after decimal point
+// length: maximum number of digits including comma and decimals
+// work with negative values to prevent overflowing when taking -value
+template <int length, int precision> static inline char *printInt(char *buffer, int value)
+{
+    static_assert(length > 0, "length must be positive");
+    static_assert(precision > 0, "precision must be positive");
+
+    const bool minus = [&value]
+    {
+        if (value >= 0)
+        {
+            value = -value;
+            return false;
+        }
+        return true;
+    }();
+
+    buffer += length - 1;
+    for (int i = 0; i < precision; ++i)
+    {
+        *buffer = '0' - (value % 10);
+        value /= 10;
+        --buffer;
+    }
+    *buffer = '.';
+    --buffer;
+
+    for (int i = precision + 1; i < length; ++i)
+    {
+        *buffer = '0' - (value % 10);
+        value /= 10;
+        if (value == 0)
+        {
+            break;
+        }
+        --buffer;
+    }
+
+    if (minus)
+    {
+        --buffer;
+        *buffer = '-';
+    }
+    return buffer;
+}
+
+inline std::string escape_JSON(const std::string &input)
+{
+    // escape and skip reallocations if possible
+    std::string output;
+    output.reserve(input.size() + 4); // +4 assumes two backslashes on avg
+    for (const char letter : input)
+    {
+        switch (letter)
+        {
+        case '\\':
+            output += "\\\\";
+            break;
+        case '"':
+            output += "\\\"";
+            break;
+        case '/':
+            output += "\\/";
+            break;
+        case '\b':
+            output += "\\b";
+            break;
+        case '\f':
+            output += "\\f";
+            break;
+        case '\n':
+            output += "\\n";
+            break;
+        case '\r':
+            output += "\\r";
+            break;
+        case '\t':
+            output += "\\t";
+            break;
+        default:
+            output.append(1, letter);
+            break;
+        }
+    }
+    return output;
+}
+
+inline std::size_t URIDecode(const std::string &input, std::string &output)
+{
+    auto src_iter = std::begin(input);
+    const auto src_end = std::end(input);
+    output.resize(input.size() + 1);
+    std::size_t decoded_length = 0;
+    for (decoded_length = 0; src_iter != src_end; ++decoded_length)
+    {
+        if (src_iter[0] == '%' && src_iter[1] && src_iter[2] && isxdigit(src_iter[1]) &&
+            isxdigit(src_iter[2]))
+        {
+            std::string::value_type a = src_iter[1];
+            std::string::value_type b = src_iter[2];
+            a -= src_iter[1] < 58 ? 48 : src_iter[1] < 71 ? 55 : 87;
+            b -= src_iter[2] < 58 ? 48 : src_iter[2] < 71 ? 55 : 87;
+            output[decoded_length] = 16 * a + b;
+            src_iter += 3;
+            continue;
+        }
+        output[decoded_length] = *src_iter++;
+    }
+    output.resize(decoded_length);
+    return decoded_length;
+}
+
+inline std::size_t URIDecodeInPlace(std::string &URI) { return URIDecode(URI, URI); }
+
+#endif // STRING_UTIL_HPP

include/util/timing_util.hpp

@@ -0,0 +1,90 @@
+/*
+
+Copyright (c) 2014, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef TIMING_UTIL_HPP
+#define TIMING_UTIL_HPP
+
+#include <atomic>
+#include <chrono>
+#include <cstdint>
+#include <mutex>
+#include <unordered_map>
+
+struct GlobalTimer
+{
+    GlobalTimer() : time(0) {}
+    std::atomic<uint64_t> time;
+};
+
+class GlobalTimerFactory
+{
+  public:
+    static GlobalTimerFactory &get()
+    {
+        static GlobalTimerFactory instance;
+        return instance;
+    }
+
+    GlobalTimer &getGlobalTimer(const std::string &name)
+    {
+        std::lock_guard<std::mutex> lock(map_mutex);
+        return timer_map[name];
+    }
+
+  private:
+    std::mutex map_mutex;
+    std::unordered_map<std::string, GlobalTimer> timer_map;
+};
+
+#define GLOBAL_TIMER_AQUIRE(_X)                                                                    \
+    auto &_X##_global_timer = GlobalTimerFactory::get().getGlobalTimer(#_X)
+#define GLOBAL_TIMER_RESET(_X) _X##_global_timer.time = 0
+#define GLOBAL_TIMER_START(_X) TIMER_START(_X)
+#define GLOBAL_TIMER_STOP(_X)                                                                      \
+    TIMER_STOP(_X);                                                                                \
+    _X##_global_timer.time += TIMER_NSEC(_X)
+#define GLOBAL_TIMER_NSEC(_X) static_cast<double>(_X##_global_timer.time)
+#define GLOBAL_TIMER_USEC(_X) (_X##_global_timer.time / 1000.0)
+#define GLOBAL_TIMER_MSEC(_X) (_X##_global_timer.time / 1000.0 / 1000.0)
+#define GLOBAL_TIMER_SEC(_X) (_X##_global_timer.time / 1000.0 / 1000.0 / 1000.0)
+
+#define TIMER_START(_X) auto _X##_start = std::chrono::steady_clock::now(), _X##_stop = _X##_start
+#define TIMER_STOP(_X) _X##_stop = std::chrono::steady_clock::now()
+#define TIMER_NSEC(_X)                                                                             \
+    std::chrono::duration_cast<std::chrono::nanoseconds>(_X##_stop - _X##_start).count()
+#define TIMER_USEC(_X)                                                                             \
+    std::chrono::duration_cast<std::chrono::microseconds>(_X##_stop - _X##_start).count()
+#define TIMER_MSEC(_X)                                                                             \
+    (0.000001 *                                                                                    \
+     std::chrono::duration_cast<std::chrono::nanoseconds>(_X##_stop - _X##_start).count())
+#define TIMER_SEC(_X)                                                                              \
+    (0.000001 *                                                                                    \
+     std::chrono::duration_cast<std::chrono::microseconds>(_X##_stop - _X##_start).count())
+#define TIMER_MIN(_X)                                                                              \
+    std::chrono::duration_cast<std::chrono::minutes>(_X##_stop - _X##_start).count()
+
+#endif // TIMING_UTIL_HPP

include/util/tribool.hpp

@@ -0,0 +1,40 @@
+/*
+
+Copyright (c) 2015, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef TRIBOOL_HPP
+#define TRIBOOL_HPP
+
+namespace osrm
+{
+enum class tribool : char
+{
+    yes,
+    no,
+    indeterminate
+};
+}
+#endif // TRIBOOL_HPP

include/util/trigonometry_table.hpp

@@ -0,0 +1,448 @@
+/*
+
+Copyright (c) 2015, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef TRIGONOMETRY_TABLE_HPP
+#define TRIGONOMETRY_TABLE_HPP
+
+#include "../typedefs.h"
+#include <cmath>
+
+#include <limits>
+
+constexpr unsigned short atan_table[4096] = {
+    0x0000, 0x0014, 0x0028, 0x003d, 0x0051, 0x0065, 0x007a, 0x008e, 0x00a3, 0x00b7, 0x00cb, 0x00e0,
+    0x00f4, 0x0108, 0x011d, 0x0131, 0x0146, 0x015a, 0x016e, 0x0183, 0x0197, 0x01ab, 0x01c0, 0x01d4,
+    0x01e9, 0x01fd, 0x0211, 0x0226, 0x023a, 0x024e, 0x0263, 0x0277, 0x028c, 0x02a0, 0x02b4, 0x02c9,
+    0x02dd, 0x02f1, 0x0306, 0x031a, 0x032f, 0x0343, 0x0357, 0x036c, 0x0380, 0x0394, 0x03a9, 0x03bd,
+    0x03d2, 0x03e6, 0x03fa, 0x040f, 0x0423, 0x0437, 0x044c, 0x0460, 0x0475, 0x0489, 0x049d, 0x04b2,
+    0x04c6, 0x04da, 0x04ef, 0x0503, 0x0517, 0x052c, 0x0540, 0x0555, 0x0569, 0x057d, 0x0592, 0x05a6,
+    0x05ba, 0x05cf, 0x05e3, 0x05f8, 0x060c, 0x0620, 0x0635, 0x0649, 0x065d, 0x0672, 0x0686, 0x069b,
+    0x06af, 0x06c3, 0x06d8, 0x06ec, 0x0700, 0x0715, 0x0729, 0x073d, 0x0752, 0x0766, 0x077b, 0x078f,
+    0x07a3, 0x07b8, 0x07cc, 0x07e0, 0x07f5, 0x0809, 0x081d, 0x0832, 0x0846, 0x085b, 0x086f, 0x0883,
+    0x0898, 0x08ac, 0x08c0, 0x08d5, 0x08e9, 0x08fd, 0x0912, 0x0926, 0x093b, 0x094f, 0x0963, 0x0978,
+    0x098c, 0x09a0, 0x09b5, 0x09c9, 0x09dd, 0x09f2, 0x0a06, 0x0a1a, 0x0a2f, 0x0a43, 0x0a58, 0x0a6c,
+    0x0a80, 0x0a95, 0x0aa9, 0x0abd, 0x0ad2, 0x0ae6, 0x0afa, 0x0b0f, 0x0b23, 0x0b37, 0x0b4c, 0x0b60,
+    0x0b75, 0x0b89, 0x0b9d, 0x0bb2, 0x0bc6, 0x0bda, 0x0bef, 0x0c03, 0x0c17, 0x0c2c, 0x0c40, 0x0c54,
+    0x0c69, 0x0c7d, 0x0c91, 0x0ca6, 0x0cba, 0x0cce, 0x0ce3, 0x0cf7, 0x0d0b, 0x0d20, 0x0d34, 0x0d48,
+    0x0d5d, 0x0d71, 0x0d86, 0x0d9a, 0x0dae, 0x0dc3, 0x0dd7, 0x0deb, 0x0e00, 0x0e14, 0x0e28, 0x0e3d,
+    0x0e51, 0x0e65, 0x0e7a, 0x0e8e, 0x0ea2, 0x0eb7, 0x0ecb, 0x0edf, 0x0ef4, 0x0f08, 0x0f1c, 0x0f31,
+    0x0f45, 0x0f59, 0x0f6e, 0x0f82, 0x0f96, 0x0fab, 0x0fbf, 0x0fd3, 0x0fe8, 0x0ffc, 0x1010, 0x1025,
+    0x1039, 0x104d, 0x1062, 0x1076, 0x108a, 0x109e, 0x10b3, 0x10c7, 0x10db, 0x10f0, 0x1104, 0x1118,
+    0x112d, 0x1141, 0x1155, 0x116a, 0x117e, 0x1192, 0x11a7, 0x11bb, 0x11cf, 0x11e4, 0x11f8, 0x120c,
+    0x1221, 0x1235, 0x1249, 0x125d, 0x1272, 0x1286, 0x129a, 0x12af, 0x12c3, 0x12d7, 0x12ec, 0x1300,
+    0x1314, 0x1329, 0x133d, 0x1351, 0x1365, 0x137a, 0x138e, 0x13a2, 0x13b7, 0x13cb, 0x13df, 0x13f4,
+    0x1408, 0x141c, 0x1431, 0x1445, 0x1459, 0x146d, 0x1482, 0x1496, 0x14aa, 0x14bf, 0x14d3, 0x14e7,
+    0x14fb, 0x1510, 0x1524, 0x1538, 0x154d, 0x1561, 0x1575, 0x1589, 0x159e, 0x15b2, 0x15c6, 0x15db,
+    0x15ef, 0x1603, 0x1617, 0x162c, 0x1640, 0x1654, 0x1669, 0x167d, 0x1691, 0x16a5, 0x16ba, 0x16ce,
+    0x16e2, 0x16f7, 0x170b, 0x171f, 0x1733, 0x1748, 0x175c, 0x1770, 0x1784, 0x1799, 0x17ad, 0x17c1,
+    0x17d6, 0x17ea, 0x17fe, 0x1812, 0x1827, 0x183b, 0x184f, 0x1863, 0x1878, 0x188c, 0x18a0, 0x18b4,
+    0x18c9, 0x18dd, 0x18f1, 0x1905, 0x191a, 0x192e, 0x1942, 0x1957, 0x196b, 0x197f, 0x1993, 0x19a8,
+    0x19bc, 0x19d0, 0x19e4, 0x19f9, 0x1a0d, 0x1a21, 0x1a35, 0x1a49, 0x1a5e, 0x1a72, 0x1a86, 0x1a9a,
+    0x1aaf, 0x1ac3, 0x1ad7, 0x1aeb, 0x1b00, 0x1b14, 0x1b28, 0x1b3c, 0x1b51, 0x1b65, 0x1b79, 0x1b8d,
+    0x1ba2, 0x1bb6, 0x1bca, 0x1bde, 0x1bf2, 0x1c07, 0x1c1b, 0x1c2f, 0x1c43, 0x1c58, 0x1c6c, 0x1c80,
+    0x1c94, 0x1ca8, 0x1cbd, 0x1cd1, 0x1ce5, 0x1cf9, 0x1d0e, 0x1d22, 0x1d36, 0x1d4a, 0x1d5e, 0x1d73,
+    0x1d87, 0x1d9b, 0x1daf, 0x1dc3, 0x1dd8, 0x1dec, 0x1e00, 0x1e14, 0x1e28, 0x1e3d, 0x1e51, 0x1e65,
+    0x1e79, 0x1e8d, 0x1ea2, 0x1eb6, 0x1eca, 0x1ede, 0x1ef2, 0x1f07, 0x1f1b, 0x1f2f, 0x1f43, 0x1f57,
+    0x1f6c, 0x1f80, 0x1f94, 0x1fa8, 0x1fbc, 0x1fd1, 0x1fe5, 0x1ff9, 0x200d, 0x2021, 0x2035, 0x204a,
+    0x205e, 0x2072, 0x2086, 0x209a, 0x20ae, 0x20c3, 0x20d7, 0x20eb, 0x20ff, 0x2113, 0x2127, 0x213c,
+    0x2150, 0x2164, 0x2178, 0x218c, 0x21a0, 0x21b5, 0x21c9, 0x21dd, 0x21f1, 0x2205, 0x2219, 0x222e,
+    0x2242, 0x2256, 0x226a, 0x227e, 0x2292, 0x22a6, 0x22bb, 0x22cf, 0x22e3, 0x22f7, 0x230b, 0x231f,
+    0x2333, 0x2348, 0x235c, 0x2370, 0x2384, 0x2398, 0x23ac, 0x23c0, 0x23d5, 0x23e9, 0x23fd, 0x2411,
+    0x2425, 0x2439, 0x244d, 0x2461, 0x2476, 0x248a, 0x249e, 0x24b2, 0x24c6, 0x24da, 0x24ee, 0x2502,
+    0x2517, 0x252b, 0x253f, 0x2553, 0x2567, 0x257b, 0x258f, 0x25a3, 0x25b7, 0x25cb, 0x25e0, 0x25f4,
+    0x2608, 0x261c, 0x2630, 0x2644, 0x2658, 0x266c, 0x2680, 0x2694, 0x26a9, 0x26bd, 0x26d1, 0x26e5,
+    0x26f9, 0x270d, 0x2721, 0x2735, 0x2749, 0x275d, 0x2771, 0x2785, 0x279a, 0x27ae, 0x27c2, 0x27d6,
+    0x27ea, 0x27fe, 0x2812, 0x2826, 0x283a, 0x284e, 0x2862, 0x2876, 0x288a, 0x289e, 0x28b3, 0x28c7,
+    0x28db, 0x28ef, 0x2903, 0x2917, 0x292b, 0x293f, 0x2953, 0x2967, 0x297b, 0x298f, 0x29a3, 0x29b7,
+    0x29cb, 0x29df, 0x29f3, 0x2a07, 0x2a1b, 0x2a2f, 0x2a43, 0x2a58, 0x2a6c, 0x2a80, 0x2a94, 0x2aa8,
+    0x2abc, 0x2ad0, 0x2ae4, 0x2af8, 0x2b0c, 0x2b20, 0x2b34, 0x2b48, 0x2b5c, 0x2b70, 0x2b84, 0x2b98,
+    0x2bac, 0x2bc0, 0x2bd4, 0x2be8, 0x2bfc, 0x2c10, 0x2c24, 0x2c38, 0x2c4c, 0x2c60, 0x2c74, 0x2c88,
+    0x2c9c, 0x2cb0, 0x2cc4, 0x2cd8, 0x2cec, 0x2d00, 0x2d14, 0x2d28, 0x2d3c, 0x2d50, 0x2d64, 0x2d78,
+    0x2d8c, 0x2da0, 0x2db4, 0x2dc8, 0x2ddc, 0x2df0, 0x2e04, 0x2e18, 0x2e2c, 0x2e40, 0x2e54, 0x2e68,
+    0x2e7c, 0x2e90, 0x2ea3, 0x2eb7, 0x2ecb, 0x2edf, 0x2ef3, 0x2f07, 0x2f1b, 0x2f2f, 0x2f43, 0x2f57,
+    0x2f6b, 0x2f7f, 0x2f93, 0x2fa7, 0x2fbb, 0x2fcf, 0x2fe3, 0x2ff7, 0x300b, 0x301e, 0x3032, 0x3046,
+    0x305a, 0x306e, 0x3082, 0x3096, 0x30aa, 0x30be, 0x30d2, 0x30e6, 0x30fa, 0x310e, 0x3122, 0x3135,
+    0x3149, 0x315d, 0x3171, 0x3185, 0x3199, 0x31ad, 0x31c1, 0x31d5, 0x31e9, 0x31fd, 0x3210, 0x3224,
+    0x3238, 0x324c, 0x3260, 0x3274, 0x3288, 0x329c, 0x32b0, 0x32c3, 0x32d7, 0x32eb, 0x32ff, 0x3313,
+    0x3327, 0x333b, 0x334f, 0x3363, 0x3376, 0x338a, 0x339e, 0x33b2, 0x33c6, 0x33da, 0x33ee, 0x3401,
+    0x3415, 0x3429, 0x343d, 0x3451, 0x3465, 0x3479, 0x348c, 0x34a0, 0x34b4, 0x34c8, 0x34dc, 0x34f0,
+    0x3504, 0x3517, 0x352b, 0x353f, 0x3553, 0x3567, 0x357b, 0x358e, 0x35a2, 0x35b6, 0x35ca, 0x35de,
+    0x35f2, 0x3605, 0x3619, 0x362d, 0x3641, 0x3655, 0x3668, 0x367c, 0x3690, 0x36a4, 0x36b8, 0x36cb,
+    0x36df, 0x36f3, 0x3707, 0x371b, 0x372f, 0x3742, 0x3756, 0x376a, 0x377e, 0x3791, 0x37a5, 0x37b9,
+    0x37cd, 0x37e1, 0x37f4, 0x3808, 0x381c, 0x3830, 0x3844, 0x3857, 0x386b, 0x387f, 0x3893, 0x38a6,
+    0x38ba, 0x38ce, 0x38e2, 0x38f5, 0x3909, 0x391d, 0x3931, 0x3944, 0x3958, 0x396c, 0x3980, 0x3993,
+    0x39a7, 0x39bb, 0x39cf, 0x39e2, 0x39f6, 0x3a0a, 0x3a1e, 0x3a31, 0x3a45, 0x3a59, 0x3a6d, 0x3a80,
+    0x3a94, 0x3aa8, 0x3abb, 0x3acf, 0x3ae3, 0x3af7, 0x3b0a, 0x3b1e, 0x3b32, 0x3b45, 0x3b59, 0x3b6d,
+    0x3b81, 0x3b94, 0x3ba8, 0x3bbc, 0x3bcf, 0x3be3, 0x3bf7, 0x3c0b, 0x3c1e, 0x3c32, 0x3c46, 0x3c59,
+    0x3c6d, 0x3c81, 0x3c94, 0x3ca8, 0x3cbc, 0x3ccf, 0x3ce3, 0x3cf7, 0x3d0a, 0x3d1e, 0x3d32, 0x3d45,
+    0x3d59, 0x3d6d, 0x3d80, 0x3d94, 0x3da8, 0x3dbb, 0x3dcf, 0x3de3, 0x3df6, 0x3e0a, 0x3e1e, 0x3e31,
+    0x3e45, 0x3e59, 0x3e6c, 0x3e80, 0x3e93, 0x3ea7, 0x3ebb, 0x3ece, 0x3ee2, 0x3ef6, 0x3f09, 0x3f1d,
+    0x3f30, 0x3f44, 0x3f58, 0x3f6b, 0x3f7f, 0x3f93, 0x3fa6, 0x3fba, 0x3fcd, 0x3fe1, 0x3ff5, 0x4008,
+    0x401c, 0x402f, 0x4043, 0x4057, 0x406a, 0x407e, 0x4091, 0x40a5, 0x40b8, 0x40cc, 0x40e0, 0x40f3,
+    0x4107, 0x411a, 0x412e, 0x4142, 0x4155, 0x4169, 0x417c, 0x4190, 0x41a3, 0x41b7, 0x41ca, 0x41de,
+    0x41f2, 0x4205, 0x4219, 0x422c, 0x4240, 0x4253, 0x4267, 0x427a, 0x428e, 0x42a1, 0x42b5, 0x42c9,
+    0x42dc, 0x42f0, 0x4303, 0x4317, 0x432a, 0x433e, 0x4351, 0x4365, 0x4378, 0x438c, 0x439f, 0x43b3,
+    0x43c6, 0x43da, 0x43ed, 0x4401, 0x4414, 0x4428, 0x443b, 0x444f, 0x4462, 0x4476, 0x4489, 0x449d,
+    0x44b0, 0x44c4, 0x44d7, 0x44eb, 0x44fe, 0x4512, 0x4525, 0x4539, 0x454c, 0x4560, 0x4573, 0x4586,
+    0x459a, 0x45ad, 0x45c1, 0x45d4, 0x45e8, 0x45fb, 0x460f, 0x4622, 0x4636, 0x4649, 0x465c, 0x4670,
+    0x4683, 0x4697, 0x46aa, 0x46be, 0x46d1, 0x46e5, 0x46f8, 0x470b, 0x471f, 0x4732, 0x4746, 0x4759,
+    0x476c, 0x4780, 0x4793, 0x47a7, 0x47ba, 0x47cd, 0x47e1, 0x47f4, 0x4808, 0x481b, 0x482e, 0x4842,
+    0x4855, 0x4869, 0x487c, 0x488f, 0x48a3, 0x48b6, 0x48ca, 0x48dd, 0x48f0, 0x4904, 0x4917, 0x492a,
+    0x493e, 0x4951, 0x4965, 0x4978, 0x498b, 0x499f, 0x49b2, 0x49c5, 0x49d9, 0x49ec, 0x49ff, 0x4a13,
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+    0xf272, 0xf27d, 0xf288, 0xf293, 0xf29f, 0xf2aa, 0xf2b5, 0xf2c0, 0xf2cb, 0xf2d6, 0xf2e1, 0xf2ec,
+    0xf2f7, 0xf302, 0xf30d, 0xf318, 0xf323, 0xf32e, 0xf339, 0xf344, 0xf34f, 0xf35a, 0xf364, 0xf36f,
+    0xf37a, 0xf385, 0xf390, 0xf39b, 0xf3a6, 0xf3b1, 0xf3bc, 0xf3c7, 0xf3d2, 0xf3dd, 0xf3e8, 0xf3f3,
+    0xf3fe, 0xf409, 0xf414, 0xf41f, 0xf42a, 0xf435, 0xf43f, 0xf44a, 0xf455, 0xf460, 0xf46b, 0xf476,
+    0xf481, 0xf48c, 0xf497, 0xf4a2, 0xf4ad, 0xf4b7, 0xf4c2, 0xf4cd, 0xf4d8, 0xf4e3, 0xf4ee, 0xf4f9,
+    0xf504, 0xf50f, 0xf519, 0xf524, 0xf52f, 0xf53a, 0xf545, 0xf550, 0xf55b, 0xf565, 0xf570, 0xf57b,
+    0xf586, 0xf591, 0xf59c, 0xf5a6, 0xf5b1, 0xf5bc, 0xf5c7, 0xf5d2, 0xf5dd, 0xf5e7, 0xf5f2, 0xf5fd,
+    0xf608, 0xf613, 0xf61d, 0xf628, 0xf633, 0xf63e, 0xf649, 0xf653, 0xf65e, 0xf669, 0xf674, 0xf67f,
+    0xf689, 0xf694, 0xf69f, 0xf6aa, 0xf6b4, 0xf6bf, 0xf6ca, 0xf6d5, 0xf6e0, 0xf6ea, 0xf6f5, 0xf700,
+    0xf70b, 0xf715, 0xf720, 0xf72b, 0xf736, 0xf740, 0xf74b, 0xf756, 0xf760, 0xf76b, 0xf776, 0xf781,
+    0xf78b, 0xf796, 0xf7a1, 0xf7ab, 0xf7b6, 0xf7c1, 0xf7cc, 0xf7d6, 0xf7e1, 0xf7ec, 0xf7f6, 0xf801,
+    0xf80c, 0xf816, 0xf821, 0xf82c, 0xf836, 0xf841, 0xf84c, 0xf856, 0xf861, 0xf86c, 0xf876, 0xf881,
+    0xf88c, 0xf896, 0xf8a1, 0xf8ac, 0xf8b6, 0xf8c1, 0xf8cc, 0xf8d6, 0xf8e1, 0xf8ec, 0xf8f6, 0xf901,
+    0xf90b, 0xf916, 0xf921, 0xf92b, 0xf936, 0xf941, 0xf94b, 0xf956, 0xf960, 0xf96b, 0xf976, 0xf980,
+    0xf98b, 0xf995, 0xf9a0, 0xf9aa, 0xf9b5, 0xf9c0, 0xf9ca, 0xf9d5, 0xf9df, 0xf9ea, 0xf9f4, 0xf9ff,
+    0xfa0a, 0xfa14, 0xfa1f, 0xfa29, 0xfa34, 0xfa3e, 0xfa49, 0xfa53, 0xfa5e, 0xfa69, 0xfa73, 0xfa7e,
+    0xfa88, 0xfa93, 0xfa9d, 0xfaa8, 0xfab2, 0xfabd, 0xfac7, 0xfad2, 0xfadc, 0xfae7, 0xfaf1, 0xfafc,
+    0xfb06, 0xfb11, 0xfb1b, 0xfb26, 0xfb30, 0xfb3b, 0xfb45, 0xfb50, 0xfb5a, 0xfb65, 0xfb6f, 0xfb7a,
+    0xfb84, 0xfb8f, 0xfb99, 0xfba4, 0xfbae, 0xfbb8, 0xfbc3, 0xfbcd, 0xfbd8, 0xfbe2, 0xfbed, 0xfbf7,
+    0xfc02, 0xfc0c, 0xfc16, 0xfc21, 0xfc2b, 0xfc36, 0xfc40, 0xfc4b, 0xfc55, 0xfc5f, 0xfc6a, 0xfc74,
+    0xfc7f, 0xfc89, 0xfc93, 0xfc9e, 0xfca8, 0xfcb3, 0xfcbd, 0xfcc7, 0xfcd2, 0xfcdc, 0xfce7, 0xfcf1,
+    0xfcfb, 0xfd06, 0xfd10, 0xfd1a, 0xfd25, 0xfd2f, 0xfd3a, 0xfd44, 0xfd4e, 0xfd59, 0xfd63, 0xfd6d,
+    0xfd78, 0xfd82, 0xfd8c, 0xfd97, 0xfda1, 0xfdab, 0xfdb6, 0xfdc0, 0xfdca, 0xfdd5, 0xfddf, 0xfde9,
+    0xfdf4, 0xfdfe, 0xfe08, 0xfe13, 0xfe1d, 0xfe27, 0xfe32, 0xfe3c, 0xfe46, 0xfe50, 0xfe5b, 0xfe65,
+    0xfe6f, 0xfe7a, 0xfe84, 0xfe8e, 0xfe98, 0xfea3, 0xfead, 0xfeb7, 0xfec1, 0xfecc, 0xfed6, 0xfee0,
+    0xfeeb, 0xfef5, 0xfeff, 0xff09, 0xff14, 0xff1e, 0xff28, 0xff32, 0xff3c, 0xff47, 0xff51, 0xff5b,
+    0xff65, 0xff70, 0xff7a, 0xff84, 0xff8e, 0xff98, 0xffa3, 0xffad, 0xffb7, 0xffc1, 0xffcc, 0xffd6,
+    0xffe0, 0xffea, 0xfff4, 0xffff};
+
+// max value is pi/4
+constexpr double SCALING_FACTOR = 4. / M_PI * 0xFFFF;
+
+inline double atan2_lookup(double y, double x)
+{
+    if (std::abs(x) < std::numeric_limits<double>::epsilon())
+    {
+        if (y >= 0.)
+        {
+            return M_PI / 2.;
+        }
+        else
+        {
+            return -M_PI / 2.;
+        }
+    }
+
+    unsigned octant = 0;
+
+    if (x < 0.)
+    {
+        octant = 1;
+        x = -x;
+    }
+    if (y < 0.)
+    {
+        octant |= 2;
+        y = -y;
+    }
+
+    double t = y / x;
+    if (t > 1.0)
+    {
+        octant |= 4;
+        t = 1.0 / t;
+    }
+
+    double angle = atan_table[(unsigned)(t * 4095)] / SCALING_FACTOR;
+
+    switch (octant)
+    {
+    case 0:
+        break;
+    case 1:
+        angle = M_PI - angle;
+        break;
+    case 2:
+        angle = -angle;
+        break;
+    case 3:
+        angle = -M_PI + angle;
+        break;
+    case 4:
+        angle = M_PI / 2.0 - angle;
+        break;
+    case 5:
+        angle = M_PI / 2.0 + angle;
+        break;
+    case 6:
+        angle = -M_PI / 2.0 + angle;
+        break;
+    case 7:
+        angle = -M_PI / 2.0 - angle;
+        break;
+    }
+    return angle;
+}
+
+#endif // TRIGONOMETRY_TABLE_HPP

include/util/typedefs.hpp

@@ -0,0 +1,68 @@
+/*
+
+Copyright (c) 2013, Project OSRM, Dennis Luxen, others
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef TYPEDEFS_H
+#define TYPEDEFS_H
+
+#include <limits>
+#include <osrm/strong_typedef.hpp>
+#include <cstddef>
+
+// Necessary workaround for Windows as VS doesn't implement C99
+#ifdef _MSC_VER
+#define WIN32_LEAN_AND_MEAN
+#ifndef M_PI
+#define M_PI 3.14159265358979323846
+#endif
+#endif
+
+// OpenStreetMap node ids are higher than 2^32
+OSRM_STRONG_TYPEDEF(uint64_t, OSMNodeID)
+OSRM_STRONG_TYPEDEF(uint32_t, OSMWayID)
+
+static const OSMNodeID SPECIAL_OSM_NODEID = OSMNodeID(std::numeric_limits<std::uint64_t>::max());
+static const OSMWayID SPECIAL_OSM_WAYID = OSMWayID(std::numeric_limits<std::uint32_t>::max());
+
+static const OSMNodeID MAX_OSM_NODEID = OSMNodeID(std::numeric_limits<std::uint64_t>::max());
+static const OSMNodeID MIN_OSM_NODEID = OSMNodeID(std::numeric_limits<std::uint64_t>::min());
+static const OSMWayID MAX_OSM_WAYID = OSMWayID(std::numeric_limits<std::uint32_t>::max());
+static const OSMWayID MIN_OSM_WAYID = OSMWayID(std::numeric_limits<std::uint32_t>::min());
+
+using OSMNodeID_weak = std::uint64_t;
+using OSMEdgeID_weak = std::uint64_t;
+
+using NodeID = unsigned int;
+using EdgeID = unsigned int;
+using EdgeWeight = int;
+
+static const NodeID SPECIAL_NODEID = std::numeric_limits<unsigned>::max();
+static const EdgeID SPECIAL_EDGEID = std::numeric_limits<unsigned>::max();
+static const unsigned INVALID_NAMEID = std::numeric_limits<unsigned>::max();
+static const unsigned INVALID_COMPONENTID = 0;
+static const EdgeWeight INVALID_EDGE_WEIGHT = std::numeric_limits<int>::max();
+
+#endif /* TYPEDEFS_H */

include/util/version.hpp.in

@@ -0,0 +1,37 @@
+/*
+
+Copyright (c) 2015, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef VERSION_HPP
+#define VERSION_HPP
+
+#define OSRM_VERSION_MAJOR "@OSRM_VERSION_MAJOR@"
+#define OSRM_VERSION_MINOR "@OSRM_VERSION_MINOR@"
+#define OSRM_VERSION_PATCH "@OSRM_VERSION_PATCH@"
+
+#define OSRM_VERSION "v" OSRM_VERSION_MAJOR "." OSRM_VERSION_MINOR "." OSRM_VERSION_PATCH
+
+#endif // VERSION_HPP

include/util/xml_renderer.hpp

@@ -0,0 +1,137 @@
+/*
+
+Copyright (c) 2014, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef XML_RENDERER_HPP
+#define XML_RENDERER_HPP
+
+#include "cast.hpp"
+
+#include <osrm/json_container.hpp>
+
+namespace osrm
+{
+namespace json
+{
+
+struct XMLToArrayRenderer : mapbox::util::static_visitor<>
+{
+    explicit XMLToArrayRenderer(std::vector<char> &_out) : out(_out) {}
+
+    void operator()(const String &string) const
+    {
+        out.push_back('\"');
+        out.insert(out.end(), string.value.begin(), string.value.end());
+        out.push_back('\"');
+    }
+
+    void operator()(const Number &number) const
+    {
+        const std::string number_string = cast::to_string_with_precision(number.value);
+        out.insert(out.end(), number_string.begin(), number_string.end());
+    }
+
+    void operator()(const Object &object) const
+    {
+        for (auto &&each : object.values)
+        {
+            if (each.first.at(0) != '_')
+            {
+                out.push_back('<');
+                out.insert(out.end(), each.first.begin(), each.first.end());
+            }
+            else
+            {
+                out.push_back(' ');
+                out.insert(out.end(), ++(each).first.begin(), each.first.end());
+                out.push_back('=');
+            }
+            mapbox::util::apply_visitor(XMLToArrayRenderer(out), each.second);
+            if (each.first.at(0) != '_')
+            {
+                out.push_back('/');
+                out.push_back('>');
+            }
+        }
+    }
+
+    void operator()(const Array &array) const
+    {
+        for (auto &&each : array.values)
+        {
+            mapbox::util::apply_visitor(XMLToArrayRenderer(out), each);
+        }
+    }
+
+    void operator()(const True &) const
+    {
+        const std::string temp("true");
+        out.insert(out.end(), temp.begin(), temp.end());
+    }
+
+    void operator()(const False &) const
+    {
+        const std::string temp("false");
+        out.insert(out.end(), temp.begin(), temp.end());
+    }
+
+    void operator()(const Null &) const
+    {
+        const std::string temp("null");
+        out.insert(out.end(), temp.begin(), temp.end());
+    }
+
+  private:
+    std::vector<char> &out;
+};
+
+template <class JSONObject> inline void xml_render(std::vector<char> &out, const JSONObject &object)
+{
+    Value value = object;
+    mapbox::util::apply_visitor(XMLToArrayRenderer(out), value);
+}
+
+template <class JSONObject> inline void gpx_render(std::vector<char> &out, const JSONObject &object)
+{
+    // add header
+
+    const std::string header{
+        "<?xml version=\"1.0\" encoding=\"UTF-8\"?><gpx creator=\"OSRM Routing Engine\""
+        " version=\"1.1\" xmlns=\"http://www.topografix.com/GPX/1/1\" xmlns:xsi=\"http:"
+        "//www.w3.org/2001/XMLSchema-instance\" xsi:schemaLocation=\"http://www.topogr"
+        "afix.com/GPX/1/1 gpx.xsd\"><metadata><copyright author=\"Project OSRM\"><lice"
+        "nse>Data (c) OpenStreetMap contributors (ODbL)</license></copyright></metadat"
+        "a><rte>"};
+    out.insert(out.end(), header.begin(), header.end());
+
+    xml_render(out, object);
+
+    const std::string footer{"</rte></gpx>"};
+    out.insert(out.end(), footer.begin(), footer.end());
+}
+} // namespace json
+} // namespace osrm
+#endif // XML_RENDERER_HPP

include/util/xor_fast_hash.hpp

@@ -0,0 +1,115 @@
+/*
+
+Copyright (c) 2013, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef XOR_FAST_HASH_HPP
+#define XOR_FAST_HASH_HPP
+
+#include <algorithm>
+#include <vector>
+
+/*
+    This is an implementation of Tabulation hashing, which has suprising properties like
+   universality.
+    The space requirement is 2*2^16 = 256 kb of memory, which fits into L2 cache.
+    Evaluation boils down to 10 or less assembly instruction on any recent X86 CPU:
+
+    1: movq    table2(%rip), %rdx
+    2: movl    %edi, %eax
+    3: movzwl  %di, %edi
+    4: shrl    $16, %eax
+    5: movzwl  %ax, %eax
+    6: movzbl  (%rdx,%rax), %eax
+    7: movq    table1(%rip), %rdx
+    8: xorb    (%rdx,%rdi), %al
+    9: movzbl  %al, %eax
+    10: ret
+
+*/
+class XORFastHash
+{ // 65k entries
+    std::vector<unsigned short> table1;
+    std::vector<unsigned short> table2;
+
+  public:
+    XORFastHash()
+    {
+        table1.resize(2 << 16);
+        table2.resize(2 << 16);
+        for (unsigned i = 0; i < (2 << 16); ++i)
+        {
+            table1[i] = static_cast<unsigned short>(i);
+            table2[i] = static_cast<unsigned short>(i);
+        }
+        std::random_shuffle(table1.begin(), table1.end());
+        std::random_shuffle(table2.begin(), table2.end());
+    }
+
+    inline unsigned short operator()(const unsigned originalValue) const
+    {
+        unsigned short lsb = ((originalValue)&0xffff);
+        unsigned short msb = (((originalValue) >> 16) & 0xffff);
+        return table1[lsb] ^ table2[msb];
+    }
+};
+
+class XORMiniHash
+{ // 256 entries
+    std::vector<unsigned char> table1;
+    std::vector<unsigned char> table2;
+    std::vector<unsigned char> table3;
+    std::vector<unsigned char> table4;
+
+  public:
+    XORMiniHash()
+    {
+        table1.resize(1 << 8);
+        table2.resize(1 << 8);
+        table3.resize(1 << 8);
+        table4.resize(1 << 8);
+        for (unsigned i = 0; i < (1 << 8); ++i)
+        {
+            table1[i] = static_cast<unsigned char>(i);
+            table2[i] = static_cast<unsigned char>(i);
+            table3[i] = static_cast<unsigned char>(i);
+            table4[i] = static_cast<unsigned char>(i);
+        }
+        std::random_shuffle(table1.begin(), table1.end());
+        std::random_shuffle(table2.begin(), table2.end());
+        std::random_shuffle(table3.begin(), table3.end());
+        std::random_shuffle(table4.begin(), table4.end());
+    }
+    unsigned char operator()(const unsigned originalValue) const
+    {
+        unsigned char byte1 = ((originalValue)&0xff);
+        unsigned char byte2 = ((originalValue >> 8) & 0xff);
+        unsigned char byte3 = ((originalValue >> 16) & 0xff);
+        unsigned char byte4 = ((originalValue >> 24) & 0xff);
+        return table1[byte1] ^ table2[byte2] ^ table3[byte3] ^ table4[byte4];
+    }
+};
+
+#endif // XOR_FAST_HASH_HPP

include/util/xor_fast_hash_storage.hpp

@@ -0,0 +1,101 @@
+/*
+
+Copyright (c) 2013, Project OSRM contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list
+of conditions and the following disclaimer.
+Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef XOR_FAST_HASH_STORAGE_HPP
+#define XOR_FAST_HASH_STORAGE_HPP
+
+#include "xor_fast_hash.hpp"
+
+#include <limits>
+#include <vector>
+
+template <typename NodeID, typename Key> class XORFastHashStorage
+{
+  public:
+    struct HashCell
+    {
+        unsigned time;
+        NodeID id;
+        Key key;
+        HashCell()
+            : time(std::numeric_limits<unsigned>::max()), id(std::numeric_limits<unsigned>::max()),
+              key(std::numeric_limits<unsigned>::max())
+        {
+        }
+
+        HashCell(const HashCell &other) : time(other.key), id(other.id), key(other.time) {}
+
+        operator Key() const { return key; }
+
+        void operator=(const Key key_to_insert) { key = key_to_insert; }
+    };
+
+    XORFastHashStorage() = delete;
+
+    explicit XORFastHashStorage(size_t) : positions(2 << 16), current_timestamp(0) {}
+
+    HashCell &operator[](const NodeID node)
+    {
+        unsigned short position = fast_hasher(node);
+        while ((positions[position].time == current_timestamp) && (positions[position].id != node))
+        {
+            ++position %= (2 << 16);
+        }
+
+        positions[position].time = current_timestamp;
+        positions[position].id = node;
+        return positions[position];
+    }
+
+    // peek into table, get key for node, think of it as a read-only operator[]
+    Key peek_index(const NodeID node) const
+    {
+        unsigned short position = fast_hasher(node);
+        while ((positions[position].time == current_timestamp) && (positions[position].id != node))
+        {
+            ++position %= (2 << 16);
+        }
+        return positions[position].key;
+    }
+
+    void Clear()
+    {
+        ++current_timestamp;
+        if (std::numeric_limits<unsigned>::max() == current_timestamp)
+        {
+            positions.clear();
+            positions.resize(2 << 16);
+        }
+    }
+
+  private:
+    std::vector<HashCell> positions;
+    XORFastHash fast_hasher;
+    unsigned current_timestamp;
+};
+
+#endif // XOR_FAST_HASH_STORAGE_HPP