Add viaroute suport for new API

CMakeLists.txt

@@ -45,7 +45,7 @@ add_custom_target(FingerPrintConfigure ALL ${CMAKE_COMMAND}
   COMMENT "Configuring revision fingerprint"
   VERBATIM)
 
-add_custom_target(tests DEPENDS engine-tests extractor-tests util-tests)
+add_custom_target(tests DEPENDS engine-tests extractor-tests util-tests server-tests)
 add_custom_target(benchmarks DEPENDS rtree-bench)
 
 set(BOOST_COMPONENTS date_time filesystem iostreams program_options regex system thread unit_test_framework)
@@ -63,6 +63,7 @@ file(GLOB EngineGlob src/engine/*.cpp src/engine/**/*.cpp)
 file(GLOB ExtractorTestsGlob unit_tests/extractor/*.cpp)
 file(GLOB EngineTestsGlob unit_tests/engine/*.cpp)
 file(GLOB UtilTestsGlob unit_tests/util/*.cpp)
+file(GLOB ServerTestsGlob unit_tests/server/*.cpp)
 file(GLOB IOTestsGlob unit_tests/io/*.cpp)
 
 add_library(UTIL OBJECT ${UtilGlob})
@@ -88,6 +89,7 @@ add_library(osrm_store $<TARGET_OBJECTS:STORAGE> $<TARGET_OBJECTS:UTIL>)
 add_executable(engine-tests EXCLUDE_FROM_ALL unit_tests/engine_tests.cpp ${EngineTestsGlob} $<TARGET_OBJECTS:ENGINE> $<TARGET_OBJECTS:UTIL>)
 add_executable(extractor-tests EXCLUDE_FROM_ALL unit_tests/extractor_tests.cpp ${ExtractorTestsGlob} $<TARGET_OBJECTS:EXTRACTOR> $<TARGET_OBJECTS:UTIL>)
 add_executable(util-tests EXCLUDE_FROM_ALL unit_tests/util_tests.cpp ${UtilTestsGlob} $<TARGET_OBJECTS:UTIL>)
+add_executable(server-tests EXCLUDE_FROM_ALL unit_tests/server_tests.cpp ${ServerTestsGlob} $<TARGET_OBJECTS:UTIL> $<TARGET_OBJECTS:SERVER>)
 
 # Benchmarks
 add_executable(rtree-bench EXCLUDE_FROM_ALL src/benchmarks/static_rtree.cpp $<TARGET_OBJECTS:UTIL>)
@@ -332,6 +334,7 @@ target_link_libraries(osrm_extract ${EXTRACTOR_LIBRARIES})
 target_link_libraries(osrm_store ${STORAGE_LIBRARIES})
 # Tests
 target_link_libraries(engine-tests ${ENGINE_LIBRARIES})
+target_link_libraries(server-tests osrm ${Boost_LIBRARIES})
 target_link_libraries(extractor-tests ${EXTRACTOR_LIBRARIES})
 target_link_libraries(rtree-bench ${Boost_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT} ${TBB_LIBRARIES})
 target_link_libraries(util-tests ${UTIL_LIBRARIES})

include/engine/api/base_api.hpp

@@ -0,0 +1,70 @@
+#ifndef ENGINE_API_BASE_API_HPP
+#define ENGINE_API_BASE_API_HPP
+
+#include "engine/api/base_parameters.hpp"
+#include "engine/datafacade/datafacade_base.hpp"
+
+#include "engine/api/json_factory.hpp"
+#include "engine/hint.hpp"
+
+#include <boost/assert.hpp>
+
+#include <vector>
+
+namespace osrm
+{
+namespace engine
+{
+namespace api
+{
+
+namespace detail
+{
+template <typename ChildT> class BaseAPI_
+{
+  public:
+    BaseAPI_(const datafacade::BaseDataFacade &facade_, const BaseParameters &parameters_)
+        : facade(facade_), parameters(parameters_)
+    {
+    }
+
+    virtual util::json::Array
+    MakeWaypoints(const std::vector<PhantomNodes> &segment_end_coordinates) const
+    {
+        BOOST_ASSERT(parameters.coordinates.size() > 0);
+        BOOST_ASSERT(parameters.coordinates.size() == segment_end_coordinates.size() + 1);
+
+        util::json::Array waypoints;
+        waypoints.values.resize(parameters.coordinates.size());
+        waypoints.values[0] = MakeWaypoint(parameters.coordinates.front(),
+                                           segment_end_coordinates.front().source_phantom);
+
+        auto coord_iter = std::next(parameters.coordinates.begin());
+        auto out_iter = std::next(waypoints.values.begin());
+        for (const auto &phantoms : segment_end_coordinates)
+        {
+            *out_iter++ = MakeWaypoint(*coord_iter++, phantoms.target_phantom);
+        }
+        return waypoints;
+    }
+
+  protected:
+    virtual util::json::Object MakeWaypoint(const util::FixedPointCoordinate input_coordinate,
+                                            const PhantomNode &phantom) const
+    {
+        return json::makeWaypoint(phantom.location, facade.get_name_for_id(phantom.name_id),
+                                  Hint{input_coordinate, phantom, facade.GetCheckSum()});
+    }
+
+    const datafacade::BaseDataFacade &facade;
+    const BaseParameters &parameters;
+};
+}
+
+// Only expose non-templated version
+using BaseAPI = detail::BaseAPI_<std::true_type>;
+}
+}
+}
+
+#endif

include/engine/api/base_parameters.hpp

@@ -0,0 +1,51 @@
+#ifndef ENGINE_API_BASE_PARAMETERS_HPP
+#define ENGINE_API_BASE_PARAMETERS_HPP
+
+#include "engine/hint.hpp"
+#include "util/coordinate.hpp"
+
+#include <boost/optional.hpp>
+
+#include <vector>
+
+namespace osrm
+{
+namespace engine
+{
+namespace api
+{
+struct BaseParameters
+{
+    struct Bearing
+    {
+        short bearing;
+        short range;
+    };
+
+    std::vector<util::FixedPointCoordinate> coordinates;
+    std::vector<boost::optional<Hint>> hints;
+    std::vector<boost::optional<double>> radiuses;
+    std::vector<boost::optional<Bearing>> bearings;
+
+    // FIXME add validation for invalid bearing values
+    bool IsValid() const
+    {
+        return (hints.empty() || hints.size() == coordinates.size()) &&
+               (bearings.empty() || bearings.size() == coordinates.size()) &&
+               (radiuses.empty() || radiuses.size() == coordinates.size());
+    }
+};
+
+inline bool operator==(const BaseParameters::Bearing lhs, const BaseParameters::Bearing rhs)
+{
+    return lhs.bearing == rhs.bearing && lhs.range == rhs.range;
+}
+inline bool operator!=(const BaseParameters::Bearing lhs, const BaseParameters::Bearing rhs)
+{
+    return !(lhs == rhs);
+}
+}
+}
+}
+
+#endif // ROUTE_PARAMETERS_HPP

include/engine/api/json_factory.hpp

@@ -0,0 +1,90 @@
+#ifndef ENGINE_RESPONSE_OBJECTS_HPP_
+#define ENGINE_RESPONSE_OBJECTS_HPP_
+
+#include "extractor/turn_instructions.hpp"
+#include "extractor/travel_mode.hpp"
+#include "engine/polyline_compressor.hpp"
+#include "util/coordinate.hpp"
+#include "util/json_container.hpp"
+
+#include <boost/optional.hpp>
+
+#include <string>
+#include <algorithm>
+#include <vector>
+
+namespace osrm
+{
+namespace engine
+{
+
+struct Hint;
+
+namespace guidance
+{
+class RouteLeg;
+class RouteStep;
+class StepManeuver;
+class Route;
+class LegGeometry;
+}
+
+namespace api
+{
+namespace json
+{
+namespace detail
+{
+
+std::string instructionToString(extractor::TurnInstruction instruction);
+
+util::json::Array coordinateToLonLat(const FixedPointCoordinate &coordinate);
+
+std::string modeToString(const extractor::TravelMode mode);
+
+} // namespace detail
+
+template <typename ForwardIter> util::json::String makePolyline(ForwardIter begin, ForwardIter end)
+{
+    util::json::String polyline;
+    polyline.value = encodePolyline(begin, end);
+    return polyline;
+}
+
+template <typename ForwardIter>
+util::json::Object makeGeoJSONLineString(ForwardIter begin, ForwardIter end)
+{
+    util::json::Object geojson;
+    geojson.values["type"] = "LineString";
+    util::json::Array coordinates;
+    std::transform(begin, end, std::back_inserter(coordinates.values),
+                   [](const util::FixedPointCoordinate loc)
+                   {
+                       return detail::coordinateToLonLat(loc);
+                   });
+    geojson.values["coordinates"] = std::move(coordinates);
+    return geojson;
+}
+
+util::json::Object makeStepManeuver(const guidance::StepManeuver &maneuver);
+
+util::json::Object makeRouteStep(guidance::RouteStep &&step,
+                                 boost::optional<util::json::Value> geometry);
+
+util::json::Object makeRoute(const guidance::Route &route,
+                             util::json::Array &&legs,
+                             boost::optional<util::json::Value> geometry);
+
+util::json::Object
+makeWaypoint(const FixedPointCoordinate location, std::string &&way_name, const Hint &hint);
+
+util::json::Object makeRouteLeg(guidance::RouteLeg &&leg, util::json::Array &&steps);
+
+util::json::Array makeRouteLegs(std::vector<guidance::RouteLeg> &&legs,
+                                const std::vector<guidance::LegGeometry> &leg_geometries);
+}
+}
+} // namespace engine
+} // namespace osrm
+
+#endif // ENGINE_GUIDANCE_API_RESPONSE_GENERATOR_HPP_

include/engine/api/match_parameters.hpp

@@ -0,0 +1,25 @@
+#ifndef ENGINE_API_MATCH_PARAMETERS_HPP
+#define ENGINE_API_MATCH_PARAMETERS_HPP
+
+#include "engine/api/route_parameters.hpp"
+
+#include <vector>
+
+namespace osrm
+{
+namespace engine
+{
+namespace api
+{
+
+struct MatchParameters : public RouteParameters
+{
+    std::vector<unsigned> timestamps;
+    bool IsValid() const;
+};
+
+}
+}
+}
+
+#endif

include/engine/api/nearest_parameters.hpp

@@ -0,0 +1,23 @@
+#ifndef ENGINE_API_NEAREST_PARAMETERS_HPP
+#define ENGINE_API_NEAREST_PARAMETERS_HPP
+
+#include "engine/api/base_parameters.hpp"
+
+namespace osrm
+{
+namespace engine
+{
+namespace api
+{
+
+struct NearestParameters : public BaseParameters
+{
+    unsigned number_of_results;
+
+    bool IsValid() const;
+};
+}
+}
+}
+
+#endif // ROUTE_PARAMETERS_HPP

include/engine/api/route_api.hpp

@@ -0,0 +1,135 @@
+#ifndef ENGINE_API_ROUTE_HPP
+#define ENGINE_API_ROUTE_HPP
+
+#include "engine/api/base_api.hpp"
+#include "engine/api/route_parameters.hpp"
+#include "engine/api/json_factory.hpp"
+
+#include "engine/datafacade/datafacade_base.hpp"
+
+#include "engine/guidance/assemble_leg.hpp"
+#include "engine/guidance/assemble_route.hpp"
+#include "engine/guidance/assemble_geometry.hpp"
+#include "engine/guidance/assemble_overview.hpp"
+#include "engine/guidance/assemble_steps.hpp"
+
+#include "engine/internal_route_result.hpp"
+
+#include "util/integer_range.hpp"
+
+namespace osrm
+{
+namespace engine
+{
+namespace api
+{
+
+namespace detail
+{
+template <typename ChildT> class RouteAPI_ : public BaseAPI_<RouteAPI_<ChildT>>
+{
+    using BaseT = BaseAPI_<RouteAPI_<ChildT>>;
+
+  public:
+    RouteAPI_(const datafacade::BaseDataFacade &facade_, const RouteParameters &parameters_)
+        : BaseT(facade_, parameters_), parameters(parameters_)
+    {
+    }
+
+    virtual void MakeResponse(const InternalRouteResult &raw_route,
+                              util::json::Object &response) const
+    {
+        auto number_of_routes = raw_route.has_alternative() ? 2UL : 1UL;
+        util::json::Array routes;
+        routes.values.resize(number_of_routes);
+        routes.values[0] =
+            MakeRoute(raw_route.segment_end_coordinates, raw_route.unpacked_path_segments,
+                      raw_route.source_traversed_in_reverse, raw_route.target_traversed_in_reverse);
+        if (raw_route.has_alternative())
+        {
+            std::vector<std::vector<PathData>> wrapped_leg(1);
+            wrapped_leg.front() = std::move(raw_route.unpacked_alternative);
+            routes.values[1] = MakeRoute(raw_route.segment_end_coordinates, wrapped_leg,
+                                         raw_route.alt_source_traversed_in_reverse,
+                                         raw_route.alt_target_traversed_in_reverse);
+        }
+        response.values["waypoints"] = BaseT::MakeWaypoints(raw_route.segment_end_coordinates);
+        response.values["routes"] = std::move(routes);
+        response.values["code"] = "ok";
+    }
+
+  protected:
+    template <typename ForwardIter>
+    util::json::Value MakeGeometry(ForwardIter begin, ForwardIter end) const
+    {
+        if (parameters.geometries == RouteParameters::GeometriesType::Polyline)
+        {
+            return json::makePolyline(begin, end);
+        }
+
+        BOOST_ASSERT(parameters.geometries == RouteParameters::GeometriesType::GeoJSON);
+        return json::makeGeoJSONLineString(begin, end);
+    }
+
+    virtual util::json::Object
+    MakeRoute(const std::vector<PhantomNodes> &segment_end_coordinates,
+              const std::vector<std::vector<PathData>> &unpacked_path_segments,
+              const std::vector<bool> &source_traversed_in_reverse,
+              const std::vector<bool> &target_traversed_in_reverse) const
+    {
+        std::vector<guidance::RouteLeg> legs;
+        std::vector<guidance::LegGeometry> leg_geometries;
+        auto number_of_legs = segment_end_coordinates.size();
+        legs.reserve(number_of_legs);
+        leg_geometries.reserve(number_of_legs);
+        for (auto idx : util::irange(0UL, number_of_legs))
+        {
+            const auto &phantoms = segment_end_coordinates[idx];
+            const auto &path_data = unpacked_path_segments[idx];
+            const bool reversed_source = source_traversed_in_reverse[idx];
+            const bool reversed_target = target_traversed_in_reverse[idx];
+
+            auto leg_geometry = guidance::assembleGeometry(
+                BaseT::facade, path_data, phantoms.source_phantom, phantoms.target_phantom);
+            auto leg = guidance::assembleLeg(BaseT::facade, path_data, leg_geometry, phantoms.source_phantom,
+                                      phantoms.target_phantom, reversed_source, reversed_target);
+
+            if (parameters.steps)
+            {
+                leg.steps = guidance::assembleSteps(BaseT::facade,
+                    path_data, leg_geometry, phantoms.source_phantom, phantoms.target_phantom,
+                    reversed_source, reversed_target);
+            }
+
+            leg_geometries.push_back(std::move(leg_geometry));
+            legs.push_back(std::move(leg));
+        }
+        auto route = guidance::assembleRoute(legs);
+        boost::optional<util::json::Value> json_overview;
+        if (parameters.overview != RouteParameters::OverviewType::False)
+        {
+            const auto use_simplification =
+                parameters.overview == RouteParameters::OverviewType::Simplified;
+            BOOST_ASSERT(use_simplification ||
+                         parameters.overview == RouteParameters::OverviewType::Full);
+
+            auto overview = guidance::assembleOverview(leg_geometries, use_simplification);
+            json_overview = MakeGeometry(overview.begin(), overview.end());
+        }
+
+        return json::makeRoute(route, json::makeRouteLegs(std::move(legs), leg_geometries),
+                               std::move(json_overview));
+    }
+
+    const RouteParameters &parameters;
+};
+}
+
+// Expose non-templated version
+using RouteAPI = detail::RouteAPI_<std::true_type>;
+
+}
+}
+}
+
+#endif

include/engine/api/route_parameters.hpp

@@ -0,0 +1,58 @@
+#ifndef ENGINE_API_ROUTE_PARAMETERS_HPP
+#define ENGINE_API_ROUTE_PARAMETERS_HPP
+
+#include "engine/api/base_parameters.hpp"
+
+#include <vector>
+
+namespace osrm
+{
+namespace engine
+{
+namespace api
+{
+
+struct RouteParameters : public BaseParameters
+{
+    enum class GeometriesType
+    {
+        Polyline,
+        GeoJSON
+    };
+    enum class OverviewType
+    {
+        Simplified,
+        Full,
+        False
+    };
+
+    RouteParameters() = default;
+
+    template<typename... Args>
+    RouteParameters(const bool steps_,
+                    const bool alternative_,
+                    const GeometriesType geometries_,
+                    const OverviewType overview_,
+                    std::vector<boost::optional<bool>> uturns_, Args... args_)
+        : BaseParameters{std::forward<Args>(args_)...}, steps{steps_}, alternative{alternative_}, geometries{geometries_},
+          overview{overview_}, uturns{std::move(uturns_)}
+    {
+    }
+
+    bool steps = true;
+    bool alternative = true;
+    GeometriesType geometries = GeometriesType::Polyline;
+    OverviewType overview = OverviewType::Simplified;
+    std::vector<boost::optional<bool>> uturns;
+
+    bool IsValid() const
+    {
+        return coordinates.size() >= 2 && BaseParameters::IsValid() &&
+               (uturns.empty() || uturns.size() == coordinates.size());
+    }
+};
+}
+}
+}
+
+#endif

include/engine/api/table_parameters.hpp

@@ -0,0 +1,27 @@
+#ifndef ENGINE_API_TABLE_PARAMETERS_HPP
+#define ENGINE_API_TABLE_PARAMETERS_HPP
+
+#include "engine/api/base_parameters.hpp"
+
+#include <vector>
+
+namespace osrm
+{
+namespace engine
+{
+namespace api
+{
+
+struct TableParameters : public BaseParameters
+{
+    std::vector<bool> is_source;
+    std::vector<bool> is_destination;
+
+    bool IsValid() const;
+};
+
+}
+}
+}
+
+#endif // ROUTE_PARAMETERS_HPP

include/engine/api/trip_parameters.hpp

@@ -0,0 +1,24 @@
+#ifndef ENGINE_API_TRIP_PARAMETERS_HPP
+#define ENGINE_API_TRIP_PARAMETERS_HPP
+
+#include "engine/api/route_parameters.hpp"
+
+#include <vector>
+
+namespace osrm
+{
+namespace engine
+{
+namespace api
+{
+
+struct TripParameters : public RouteParameters
+{
+    bool IsValid() const;
+};
+
+}
+}
+}
+
+#endif

include/engine/api_response_generator.hpp

@@ -1,299 +0,0 @@
-#ifndef ENGINE_GUIDANCE_API_RESPONSE_GENERATOR_HPP_
-#define ENGINE_GUIDANCE_API_RESPONSE_GENERATOR_HPP_
-
-#include "guidance/segment_list.hpp"
-#include "guidance/textual_route_annotation.hpp"
-
-#include "engine/internal_route_result.hpp"
-#include "engine/object_encoder.hpp"
-#include "engine/phantom_node.hpp"
-#include "engine/polyline_formatter.hpp"
-#include "engine/route_name_extraction.hpp"
-#include "engine/segment_information.hpp"
-#include "extractor/turn_instructions.hpp"
-#include "osrm/coordinate.hpp"
-#include "osrm/json_container.hpp"
-#include "osrm/route_parameters.hpp"
-#include "util/integer_range.hpp"
-#include "util/typedefs.hpp"
-
-#include <boost/assert.hpp>
-
-#include <cstdint>
-#include <cstddef>
-#include <cmath>
-
-#include <limits>
-#include <string>
-#include <utility>
-#include <vector>
-
-namespace osrm
-{
-namespace engine
-{
-namespace detail
-{
-struct Segment
-{
-    uint32_t name_id;
-    int32_t length;
-    std::size_t position;
-};
-} // namespace detail
-
-template <typename DataFacadeT> class ApiResponseGenerator
-{
-  public:
-    using DataFacade = DataFacadeT;
-    using Segments = guidance::SegmentList<DataFacade>;
-    using Segment = detail::Segment;
-
-    ApiResponseGenerator(DataFacade *facade);
-
-    // This runs a full annotation, according to config.
-    // The output is tailored to the viaroute plugin.
-    void DescribeRoute(const RouteParameters &config,
-                       const InternalRouteResult &raw_route,
-                       util::json::Object &json_result);
-
-    // The following functions allow access to the different parts of the Describe Route
-    // functionality.
-    // For own responses, they can be used to generate only subsets of the information.
-    // In the normal situation, Describe Route is the desired usecase.
-
-    // generate an overview of a raw route
-    util::json::Object SummarizeRoute(const InternalRouteResult &raw_route,
-                                      const Segments &segment_list) const;
-
-    // create an array containing all via-points/-indices used in the query
-    util::json::Array ListViaPoints(const InternalRouteResult &raw_route) const;
-    util::json::Array ListViaIndices(const Segments &segment_list) const;
-
-    util::json::Value GetGeometry(const bool return_encoded, const Segments &segments) const;
-
-    // TODO this dedicated creation seems unnecessary? Only used for route names
-    std::vector<Segment> BuildRouteSegments(const Segments &segment_list) const;
-
-    // adds checksum and locations
-    util::json::Object BuildHintData(const InternalRouteResult &raw_route) const;
-
-  private:
-    // data access to translate ids back into names
-    DataFacade *facade;
-};
-
-template <typename DataFacadeT>
-ApiResponseGenerator<DataFacadeT>::ApiResponseGenerator(DataFacadeT *facade_)
-    : facade(facade_)
-{
-}
-
-template <typename DataFacadeT>
-void ApiResponseGenerator<DataFacadeT>::DescribeRoute(const RouteParameters &config,
-                                                      const InternalRouteResult &raw_route,
-                                                      util::json::Object &json_result)
-{
-    if (!raw_route.is_valid())
-    {
-        return;
-    }
-    const constexpr bool ALLOW_SIMPLIFICATION = true;
-    const constexpr bool EXTRACT_ROUTE = false;
-    const constexpr bool EXTRACT_ALTERNATIVE = true;
-    Segments segment_list(raw_route, EXTRACT_ROUTE, config.zoom_level, ALLOW_SIMPLIFICATION,
-                          facade);
-    json_result.values["route_summary"] = SummarizeRoute(raw_route, segment_list);
-    json_result.values["via_points"] = ListViaPoints(raw_route);
-    json_result.values["via_indices"] = ListViaIndices(segment_list);
-
-    if (config.geometry)
-    {
-        json_result.values["route_geometry"] = GetGeometry(config.compression, segment_list);
-    }
-
-    if (config.print_instructions)
-    {
-        json_result.values["route_instructions"] =
-            guidance::AnnotateRoute(segment_list.Get(), facade);
-    }
-
-    RouteNames route_names;
-
-    if (raw_route.has_alternative())
-    {
-        Segments alternate_segment_list(raw_route, EXTRACT_ALTERNATIVE, config.zoom_level,
-                                        ALLOW_SIMPLIFICATION, facade);
-
-        // Alternative Route Summaries are stored in an array to (down the line) allow multiple
-        // alternatives
-        util::json::Array json_alternate_route_summary_array;
-        json_alternate_route_summary_array.values.emplace_back(
-            SummarizeRoute(raw_route, alternate_segment_list));
-        json_result.values["alternative_summaries"] = json_alternate_route_summary_array;
-        json_result.values["alternative_indices"] = ListViaIndices(alternate_segment_list);
-
-        if (config.geometry)
-        {
-            auto alternate_geometry_string =
-                GetGeometry(config.compression, alternate_segment_list);
-            util::json::Array json_alternate_geometries_array;
-            json_alternate_geometries_array.values.emplace_back(
-                std::move(alternate_geometry_string));
-            json_result.values["alternative_geometries"] = json_alternate_geometries_array;
-        }
-
-        if (config.print_instructions)
-        {
-            util::json::Array json_alternate_annotations_array;
-            json_alternate_annotations_array.values.emplace_back(
-                guidance::AnnotateRoute(alternate_segment_list.Get(), facade));
-            json_result.values["alternative_instructions"] = json_alternate_annotations_array;
-        }
-
-        // generate names for both the main path and the alternative route
-        auto path_segments = BuildRouteSegments(segment_list);
-        auto alternate_segments = BuildRouteSegments(alternate_segment_list);
-        route_names = extractRouteNames(path_segments, alternate_segments, facade);
-
-        util::json::Array json_alternate_names_array;
-        util::json::Array json_alternate_names;
-        json_alternate_names.values.push_back(route_names.alternative_path_name_1);
-        json_alternate_names.values.push_back(route_names.alternative_path_name_2);
-        json_alternate_names_array.values.emplace_back(std::move(json_alternate_names));
-        json_result.values["alternative_names"] = json_alternate_names_array;
-        json_result.values["found_alternative"] = util::json::True();
-    }
-    else
-    {
-        json_result.values["found_alternative"] = util::json::False();
-        // generate names for the main route on its own
-        auto path_segments = BuildRouteSegments(segment_list);
-        std::vector<detail::Segment> alternate_segments;
-        route_names = extractRouteNames(path_segments, alternate_segments, facade);
-    }
-
-    util::json::Array json_route_names;
-    json_route_names.values.push_back(route_names.shortest_path_name_1);
-    json_route_names.values.push_back(route_names.shortest_path_name_2);
-    json_result.values["route_name"] = json_route_names;
-
-    json_result.values["hint_data"] = BuildHintData(raw_route);
-}
-
-template <typename DataFacadeT>
-util::json::Object
-ApiResponseGenerator<DataFacadeT>::SummarizeRoute(const InternalRouteResult &raw_route,
-                                                  const Segments &segment_list) const
-{
-    util::json::Object json_route_summary;
-    if (!raw_route.segment_end_coordinates.empty())
-    {
-        const auto start_name_id = raw_route.segment_end_coordinates.front().source_phantom.name_id;
-        json_route_summary.values["start_point"] = facade->get_name_for_id(start_name_id);
-        const auto destination_name_id =
-            raw_route.segment_end_coordinates.back().target_phantom.name_id;
-        json_route_summary.values["end_point"] = facade->get_name_for_id(destination_name_id);
-    }
-    json_route_summary.values["total_time"] = segment_list.GetDuration();
-    json_route_summary.values["total_distance"] = segment_list.GetDistance();
-    return json_route_summary;
-}
-
-template <typename DataFacadeT>
-util::json::Array
-ApiResponseGenerator<DataFacadeT>::ListViaPoints(const InternalRouteResult &raw_route) const
-{
-    util::json::Array json_via_points_array;
-    util::json::Array json_first_coordinate;
-    json_first_coordinate.values.emplace_back(
-        raw_route.segment_end_coordinates.front().source_phantom.location.lat /
-        COORDINATE_PRECISION);
-    json_first_coordinate.values.emplace_back(
-        raw_route.segment_end_coordinates.front().source_phantom.location.lon /
-        COORDINATE_PRECISION);
-    json_via_points_array.values.emplace_back(std::move(json_first_coordinate));
-    for (const PhantomNodes &nodes : raw_route.segment_end_coordinates)
-    {
-        std::string tmp;
-        util::json::Array json_coordinate;
-        json_coordinate.values.emplace_back(nodes.target_phantom.location.lat /
-                                            COORDINATE_PRECISION);
-        json_coordinate.values.emplace_back(nodes.target_phantom.location.lon /
-                                            COORDINATE_PRECISION);
-        json_via_points_array.values.emplace_back(std::move(json_coordinate));
-    }
-    return json_via_points_array;
-}
-
-template <typename DataFacadeT>
-util::json::Array
-ApiResponseGenerator<DataFacadeT>::ListViaIndices(const Segments &segment_list) const
-{
-    util::json::Array via_indices;
-    via_indices.values.insert(via_indices.values.end(), segment_list.GetViaIndices().begin(),
-                              segment_list.GetViaIndices().end());
-    return via_indices;
-}
-
-template <typename DataFacadeT>
-util::json::Value ApiResponseGenerator<DataFacadeT>::GetGeometry(const bool return_encoded,
-                                                                 const Segments &segments) const
-{
-    if (return_encoded)
-        return polylineEncodeAsJSON(segments.Get());
-    else
-        return polylineUnencodedAsJSON(segments.Get());
-}
-
-template <typename DataFacadeT>
-std::vector<detail::Segment>
-ApiResponseGenerator<DataFacadeT>::BuildRouteSegments(const Segments &segment_list) const
-{
-    std::vector<detail::Segment> result;
-    for (const auto &segment : segment_list.Get())
-    {
-        const auto current_turn = segment.turn_instruction;
-        if (extractor::isTurnNecessary(current_turn) &&
-            (extractor::TurnInstruction::EnterRoundAbout != current_turn))
-        {
-
-            detail::Segment seg = {segment.name_id,
-                                   static_cast<int32_t>(segment.length),
-                                   static_cast<std::size_t>(result.size())};
-            result.emplace_back(std::move(seg));
-        }
-    }
-    return result;
-}
-
-template <typename DataFacadeT>
-util::json::Object
-ApiResponseGenerator<DataFacadeT>::BuildHintData(const InternalRouteResult &raw_route) const
-{
-    util::json::Object json_hint_object;
-    json_hint_object.values["checksum"] = facade->GetCheckSum();
-    util::json::Array json_location_hint_array;
-    std::string hint;
-    for (const auto i : util::irange<std::size_t>(0, raw_route.segment_end_coordinates.size()))
-    {
-        hint = encodeBase64(raw_route.segment_end_coordinates[i].source_phantom);
-        json_location_hint_array.values.push_back(std::move(hint));
-    }
-    hint = encodeBase64(raw_route.segment_end_coordinates.back().target_phantom);
-    json_location_hint_array.values.emplace_back(std::move(hint));
-    json_hint_object.values["locations"] = json_location_hint_array;
-
-    return json_hint_object;
-}
-
-template <typename DataFacadeT>
-ApiResponseGenerator<DataFacadeT> MakeApiResponseGenerator(DataFacadeT *facade)
-{
-    return ApiResponseGenerator<DataFacadeT>(facade);
-}
-
-} // namespace engine
-} // namespace osrm
-
-#endif // ENGINE_GUIDANCE_API_RESPONSE_GENERATOR_HPP_

include/engine/datafacade/datafacade_base.hpp

@@ -5,6 +5,7 @@
 
 #include "extractor/edge_based_node.hpp"
 #include "extractor/external_memory_node.hpp"
+#include "contractor/query_edge.hpp"
 #include "engine/phantom_node.hpp"
 #include "extractor/turn_instructions.hpp"
 #include "util/integer_range.hpp"
@@ -29,11 +30,11 @@ namespace datafacade
 
 using EdgeRange = util::range<EdgeID>;
 
-template <class EdgeDataT> class BaseDataFacade
+class BaseDataFacade
 {
   public:
+    using EdgeData = contractor::QueryEdge::EdgeData;
     using RTreeLeaf = extractor::EdgeBasedNode;
-    using EdgeData = EdgeDataT;
     BaseDataFacade() {}
     virtual ~BaseDataFacade() {}
 
@@ -46,7 +47,7 @@ template <class EdgeDataT> class BaseDataFacade
 
     virtual NodeID GetTarget(const EdgeID e) const = 0;
 
-    virtual const EdgeDataT &GetEdgeData(const EdgeID e) const = 0;
+    virtual const EdgeData &GetEdgeData(const EdgeID e) const = 0;
 
     virtual EdgeID BeginEdges(const NodeID n) const = 0;
 
@@ -94,10 +95,22 @@ template <class EdgeDataT> class BaseDataFacade
                         const int bearing = 0,
                         const int bearing_range = 180) = 0;
 
+    virtual std::pair<PhantomNode, PhantomNode> NearestPhantomNodeWithAlternativeFromBigComponent(
+        const util::FixedPointCoordinate input_coordinate) = 0;
+
+    virtual std::pair<PhantomNode, PhantomNode> NearestPhantomNodeWithAlternativeFromBigComponent(
+        const util::FixedPointCoordinate input_coordinate, const double max_distance) = 0;
+
     virtual std::pair<PhantomNode, PhantomNode> NearestPhantomNodeWithAlternativeFromBigComponent(
         const util::FixedPointCoordinate input_coordinate,
-        const int bearing = 0,
-        const int bearing_range = 180) = 0;
+        const double max_distance,
+        const int bearing,
+        const int bearing_range) = 0;
+
+    virtual std::pair<PhantomNode, PhantomNode> NearestPhantomNodeWithAlternativeFromBigComponent(
+        const util::FixedPointCoordinate input_coordinate,
+        const int bearing,
+        const int bearing_range) = 0;
 
     virtual unsigned GetCheckSum() const = 0;
 

include/engine/datafacade/internal_datafacade.hpp

@@ -46,17 +46,17 @@ namespace engine
 namespace datafacade
 {
 
-template <class EdgeDataT> class InternalDataFacade final : public BaseDataFacade<EdgeDataT>
+class InternalDataFacade final : public BaseDataFacade
 {
 
   private:
-    using super = BaseDataFacade<EdgeDataT>;
+    using super = BaseDataFacade;
     using QueryGraph = util::StaticGraph<typename super::EdgeData>;
     using InputEdge = typename QueryGraph::InputEdge;
     using RTreeLeaf = typename super::RTreeLeaf;
     using InternalRTree =
         util::StaticRTree<RTreeLeaf, util::ShM<util::FixedPointCoordinate, false>::vector, false>;
-    using InternalGeospatialQuery = GeospatialQuery<InternalRTree, BaseDataFacade<EdgeDataT>>;
+    using InternalGeospatialQuery = GeospatialQuery<InternalRTree, BaseDataFacade>;
 
     InternalDataFacade() {}
 
@@ -293,7 +293,7 @@ template <class EdgeDataT> class InternalDataFacade final : public BaseDataFacad
 
     NodeID GetTarget(const EdgeID e) const override final { return m_query_graph->GetTarget(e); }
 
-    EdgeDataT &GetEdgeData(const EdgeID e) const override final
+    EdgeData &GetEdgeData(const EdgeID e) const override final
     {
         return m_query_graph->GetEdgeData(e);
     }
@@ -386,10 +386,52 @@ template <class EdgeDataT> class InternalDataFacade final : public BaseDataFacad
                                                        bearing_range);
     }
 
+    std::pair<PhantomNode, PhantomNode> NearestPhantomNodeWithAlternativeFromBigComponent(
+        const util::FixedPointCoordinate input_coordinate, const double max_distance) override final
+    {
+        if (!m_static_rtree.get())
+        {
+            LoadRTree();
+            BOOST_ASSERT(m_geospatial_query.get());
+        }
+
+        return m_geospatial_query->NearestPhantomNodeWithAlternativeFromBigComponent(
+            input_coordinate, max_distance);
+    }
+
+    std::pair<PhantomNode, PhantomNode> NearestPhantomNodeWithAlternativeFromBigComponent(
+        const util::FixedPointCoordinate input_coordinate) override final
+    {
+        if (!m_static_rtree.get())
+        {
+            LoadRTree();
+            BOOST_ASSERT(m_geospatial_query.get());
+        }
+
+        return m_geospatial_query->NearestPhantomNodeWithAlternativeFromBigComponent(
+            input_coordinate);
+    }
+
     std::pair<PhantomNode, PhantomNode> NearestPhantomNodeWithAlternativeFromBigComponent(
         const util::FixedPointCoordinate input_coordinate,
-        const int bearing = 0,
-        const int bearing_range = 180) override final
+        const double max_distance,
+        const int bearing,
+        const int bearing_range) override final
+    {
+        if (!m_static_rtree.get())
+        {
+            LoadRTree();
+            BOOST_ASSERT(m_geospatial_query.get());
+        }
+
+        return m_geospatial_query->NearestPhantomNodeWithAlternativeFromBigComponent(
+            input_coordinate, max_distance, bearing, bearing_range);
+    }
+
+    std::pair<PhantomNode, PhantomNode> NearestPhantomNodeWithAlternativeFromBigComponent(
+        const util::FixedPointCoordinate input_coordinate,
+        const int bearing,
+        const int bearing_range) override final
     {
         if (!m_static_rtree.get())
         {

include/engine/datafacade/shared_datafacade.hpp

@@ -36,12 +36,11 @@ namespace engine
 namespace datafacade
 {
 
-template <class EdgeDataT> class SharedDataFacade final : public BaseDataFacade<EdgeDataT>
+class SharedDataFacade final : public BaseDataFacade
 {
 
   private:
-    using EdgeData = EdgeDataT;
-    using super = BaseDataFacade<EdgeData>;
+    using super = BaseDataFacade;
     using QueryGraph = util::StaticGraph<EdgeData, true>;
     using GraphNode = typename QueryGraph::NodeArrayEntry;
     using GraphEdge = typename QueryGraph::EdgeArrayEntry;
@@ -50,7 +49,7 @@ template <class EdgeDataT> class SharedDataFacade final : public BaseDataFacade<
     using RTreeLeaf = typename super::RTreeLeaf;
     using SharedRTree =
         util::StaticRTree<RTreeLeaf, util::ShM<util::FixedPointCoordinate, true>::vector, true>;
-    using SharedGeospatialQuery = GeospatialQuery<SharedRTree, BaseDataFacade<EdgeDataT>>;
+    using SharedGeospatialQuery = GeospatialQuery<SharedRTree, BaseDataFacade>;
     using TimeStampedRTreePair = std::pair<unsigned, std::shared_ptr<SharedRTree>>;
     using RTreeNode = typename SharedRTree::TreeNode;
 
@@ -333,7 +332,7 @@ template <class EdgeDataT> class SharedDataFacade final : public BaseDataFacade<
 
     NodeID GetTarget(const EdgeID e) const override final { return m_query_graph->GetTarget(e); }
 
-    EdgeDataT &GetEdgeData(const EdgeID e) const override final
+    EdgeData &GetEdgeData(const EdgeID e) const override final
     {
         return m_query_graph->GetEdgeData(e);
     }
@@ -454,10 +453,52 @@ template <class EdgeDataT> class SharedDataFacade final : public BaseDataFacade<
                                                        bearing_range);
     }
 
+    std::pair<PhantomNode, PhantomNode> NearestPhantomNodeWithAlternativeFromBigComponent(
+        const util::FixedPointCoordinate input_coordinate) override final
+    {
+        if (!m_static_rtree.get() || CURRENT_TIMESTAMP != m_static_rtree->first)
+        {
+            LoadRTree();
+            BOOST_ASSERT(m_geospatial_query.get());
+        }
+
+        return m_geospatial_query->NearestPhantomNodeWithAlternativeFromBigComponent(
+            input_coordinate);
+    }
+
+    std::pair<PhantomNode, PhantomNode> NearestPhantomNodeWithAlternativeFromBigComponent(
+        const util::FixedPointCoordinate input_coordinate, const double max_distance) override final
+    {
+        if (!m_static_rtree.get() || CURRENT_TIMESTAMP != m_static_rtree->first)
+        {
+            LoadRTree();
+            BOOST_ASSERT(m_geospatial_query.get());
+        }
+
+        return m_geospatial_query->NearestPhantomNodeWithAlternativeFromBigComponent(
+            input_coordinate, max_distance);
+    }
+
     std::pair<PhantomNode, PhantomNode> NearestPhantomNodeWithAlternativeFromBigComponent(
         const util::FixedPointCoordinate input_coordinate,
-        const int bearing = 0,
-        const int bearing_range = 180) override final
+        const double max_distance,
+        const int bearing,
+        const int bearing_range) override final
+    {
+        if (!m_static_rtree.get() || CURRENT_TIMESTAMP != m_static_rtree->first)
+        {
+            LoadRTree();
+            BOOST_ASSERT(m_geospatial_query.get());
+        }
+
+        return m_geospatial_query->NearestPhantomNodeWithAlternativeFromBigComponent(
+            input_coordinate, max_distance, bearing, bearing_range);
+    }
+
+    std::pair<PhantomNode, PhantomNode> NearestPhantomNodeWithAlternativeFromBigComponent(
+        const util::FixedPointCoordinate input_coordinate,
+        const int bearing,
+        const int bearing_range) override final
     {
         if (!m_static_rtree.get() || CURRENT_TIMESTAMP != m_static_rtree->first)
         {
@@ -469,6 +510,7 @@ template <class EdgeDataT> class SharedDataFacade final : public BaseDataFacade<
             input_coordinate, bearing, bearing_range);
     }
 
+
     unsigned GetCheckSum() const override final { return m_check_sum; }
 
     unsigned GetNameIndexFromEdgeID(const unsigned id) const override final

include/engine/douglas_peucker.hpp

@@ -1,7 +1,7 @@
 #ifndef DOUGLAS_PEUCKER_HPP_
 #define DOUGLAS_PEUCKER_HPP_
 
-#include "engine/segment_information.hpp"
+#include "util/coordinate.hpp"
 
 #include <vector>
 #include <iterator>
@@ -44,14 +44,16 @@ const constexpr auto DOUGLAS_PEUCKER_THRESHOLDS_SIZE =
 // Input is vector of pairs. Each pair consists of the point information and a
 // bit indicating if the points is present in the generalization.
 // Note: points may also be pre-selected*/
-void douglasPeucker(std::vector<SegmentInformation>::iterator begin,
-                    std::vector<SegmentInformation>::iterator end,
-                    const unsigned zoom_level);
+std::vector<util::FixedPointCoordinate>
+douglasPeucker(std::vector<util::FixedPointCoordinate>::const_iterator begin,
+               std::vector<util::FixedPointCoordinate>::const_iterator end,
+               const unsigned zoom_level);
 
 // Convenience range-based function
-inline void douglasPeucker(std::vector<SegmentInformation> &geometry, const unsigned zoom_level)
+inline std::vector<util::FixedPointCoordinate>
+douglasPeucker(const std::vector<util::FixedPointCoordinate> &geometry, const unsigned zoom_level)
 {
-    douglasPeucker(begin(geometry), end(geometry), zoom_level);
+    return douglasPeucker(begin(geometry), end(geometry), zoom_level);
 }
 }
 }

include/engine/engine.hpp

@@ -1,10 +1,9 @@
 #ifndef ENGINE_HPP
 #define ENGINE_HPP
 
-#include "contractor/query_edge.hpp"
-
-#include "osrm/json_container.hpp"
-#include "osrm/osrm.hpp"
+#include "engine/status.hpp"
+#include "storage/shared_barriers.hpp"
+#include "util/json_container.hpp"
 
 #include <memory>
 #include <unordered_map>
@@ -13,11 +12,6 @@
 namespace osrm
 {
 
-namespace storage
-{
-struct SharedBarriers;
-}
-
 namespace util
 {
 namespace json
@@ -29,41 +23,43 @@ struct Object;
 namespace engine
 {
 struct EngineConfig;
+namespace api
+{
 struct RouteParameters;
+}
 namespace plugins
 {
-class BasePlugin;
+class ViaRoutePlugin;
 }
 namespace datafacade
 {
-template <class EdgeDataT> class BaseDataFacade;
+class BaseDataFacade;
 }
 
 class Engine final
 {
-  private:
-    using PluginMap = std::unordered_map<std::string, std::unique_ptr<plugins::BasePlugin>>;
-
   public:
+    struct EngineLock
+    {
+        // will only be initialized if shared memory is used
+        storage::SharedBarriers barrier;
+        // decrease number of concurrent queries
+        void DecreaseQueryCount();
+        // increase number of concurrent queries
+        void IncreaseQueryCount();
+    };
+
     Engine(EngineConfig &config_);
 
     Engine(const Engine &) = delete;
     Engine &operator=(const Engine &) = delete;
 
-    int RunQuery(const RouteParameters &route_parameters, util::json::Object &json_result);
+    Status Route(const api::RouteParameters &route_parameters, util::json::Object &json_result);
 
   private:
-    void RegisterPlugin(plugins::BasePlugin *plugin);
-    PluginMap plugin_map;
-    // will only be initialized if shared memory is used
-    std::unique_ptr<storage::SharedBarriers> barrier;
-    // base class pointer to the objects
-    datafacade::BaseDataFacade<contractor::QueryEdge::EdgeData> *query_data_facade;
-
-    // decrease number of concurrent queries
-    void decrease_concurrent_query_count();
-    // increase number of concurrent queries
-    void increase_concurrent_query_count();
+    std::unique_ptr<EngineLock> lock;
+    std::unique_ptr<plugins::ViaRoutePlugin> route_plugin;
+    std::unique_ptr<datafacade::BaseDataFacade> query_data_facade;
 };
 }
 }

include/engine/geospatial_query.hpp

@@ -84,16 +84,86 @@ template <typename RTreeT, typename DataFacadeT> class GeospatialQuery
     // Returns the nearest phantom node. If this phantom node is not from a big component
     // a second phantom node is return that is the nearest coordinate in a big component.
     std::pair<PhantomNode, PhantomNode> NearestPhantomNodeWithAlternativeFromBigComponent(
-        const util::FixedPointCoordinate input_coordinate,
-        const int bearing = 0,
-        const int bearing_range = 180)
+        const util::FixedPointCoordinate input_coordinate, const double max_distance)
     {
         bool has_small_component = false;
         bool has_big_component = false;
         auto results = rtree.Nearest(
             input_coordinate,
-            [this, bearing, bearing_range, &has_big_component, &has_small_component](
-                const EdgeData &data)
+            [&has_big_component, &has_small_component](const EdgeData &data)
+            {
+                auto use_segment =
+                    (!has_small_component || (!has_big_component && !data.component.is_tiny));
+                auto use_directions = std::make_pair(use_segment, use_segment);
+
+                has_big_component = has_big_component || !data.component.is_tiny;
+                has_small_component = has_small_component || data.component.is_tiny;
+
+                return use_directions;
+            },
+            [&has_big_component, max_distance](const std::size_t num_results, const double min_dist)
+            {
+                return (num_results > 0 && has_big_component) || min_dist > max_distance;
+            });
+
+        if (results.size() == 0)
+        {
+            return std::make_pair(PhantomNode{}, PhantomNode{});
+        }
+
+        BOOST_ASSERT(results.size() == 1 || results.size() == 2);
+        return std::make_pair(MakePhantomNode(input_coordinate, results.front()).phantom_node,
+                              MakePhantomNode(input_coordinate, results.back()).phantom_node);
+    }
+
+    // Returns the nearest phantom node. If this phantom node is not from a big component
+    // a second phantom node is return that is the nearest coordinate in a big component.
+    std::pair<PhantomNode, PhantomNode> NearestPhantomNodeWithAlternativeFromBigComponent(
+        const util::FixedPointCoordinate input_coordinate)
+    {
+        bool has_small_component = false;
+        bool has_big_component = false;
+        auto results =
+            rtree.Nearest(input_coordinate,
+                          [&has_big_component, &has_small_component](const EdgeData &data)
+                          {
+                              auto use_segment = (!has_small_component ||
+                                                  (!has_big_component && !data.component.is_tiny));
+                              auto use_directions = std::make_pair(use_segment, use_segment);
+
+                              has_big_component = has_big_component || !data.component.is_tiny;
+                              has_small_component = has_small_component || data.component.is_tiny;
+
+                              return use_directions;
+                          },
+                          [&has_big_component](const std::size_t num_results, const double)
+                          {
+                              return num_results > 0 && has_big_component;
+                          });
+
+        if (results.size() == 0)
+        {
+            return std::make_pair(PhantomNode{}, PhantomNode{});
+        }
+
+        BOOST_ASSERT(results.size() == 1 || results.size() == 2);
+        return std::make_pair(MakePhantomNode(input_coordinate, results.front()).phantom_node,
+                              MakePhantomNode(input_coordinate, results.back()).phantom_node);
+    }
+
+    // Returns the nearest phantom node. If this phantom node is not from a big component
+    // a second phantom node is return that is the nearest coordinate in a big component.
+    std::pair<PhantomNode, PhantomNode> NearestPhantomNodeWithAlternativeFromBigComponent(
+        const util::FixedPointCoordinate input_coordinate,
+        const int bearing,
+        const int bearing_range)
+    {
+        bool has_small_component = false;
+        bool has_big_component = false;
+        auto results = rtree.Nearest(
+            input_coordinate,
+            [this, bearing, bearing_range, &has_big_component,
+             &has_small_component](const EdgeData &data)
             {
                 auto use_segment =
                     (!has_small_component || (!has_big_component && !data.component.is_tiny));
@@ -126,6 +196,52 @@ template <typename RTreeT, typename DataFacadeT> class GeospatialQuery
                               MakePhantomNode(input_coordinate, results.back()).phantom_node);
     }
 
+    // Returns the nearest phantom node. If this phantom node is not from a big component
+    // a second phantom node is return that is the nearest coordinate in a big component.
+    std::pair<PhantomNode, PhantomNode> NearestPhantomNodeWithAlternativeFromBigComponent(
+        const util::FixedPointCoordinate input_coordinate,
+        const double max_distance,
+        const int bearing,
+        const int bearing_range)
+    {
+        bool has_small_component = false;
+        bool has_big_component = false;
+        auto results = rtree.Nearest(
+            input_coordinate,
+            [this, bearing, bearing_range, &has_big_component,
+             &has_small_component](const EdgeData &data)
+            {
+                auto use_segment =
+                    (!has_small_component || (!has_big_component && !data.component.is_tiny));
+                auto use_directions = std::make_pair(use_segment, use_segment);
+
+                if (use_segment)
+                {
+                    use_directions = checkSegmentBearing(data, bearing, bearing_range);
+                    if (use_directions.first || use_directions.second)
+                    {
+                        has_big_component = has_big_component || !data.component.is_tiny;
+                        has_small_component = has_small_component || data.component.is_tiny;
+                    }
+                }
+
+                return use_directions;
+            },
+            [&has_big_component, max_distance](const std::size_t num_results, const double min_dist)
+            {
+                return (num_results > 0 && has_big_component) || min_dist > max_distance;
+            });
+
+        if (results.size() == 0)
+        {
+            return std::make_pair(PhantomNode{}, PhantomNode{});
+        }
+
+        BOOST_ASSERT(results.size() > 0);
+        return std::make_pair(MakePhantomNode(input_coordinate, results.front()).phantom_node,
+                              MakePhantomNode(input_coordinate, results.back()).phantom_node);
+    }
+
   private:
     std::vector<PhantomNodeWithDistance>
     MakePhantomNodes(const util::FixedPointCoordinate input_coordinate,

include/engine/guidance/assemble_geometry.hpp

@@ -0,0 +1,78 @@
+#ifndef ENGINE_GUIDANCE_ASSEMBLE_GEOMETRY_HPP
+#define ENGINE_GUIDANCE_ASSEMBLE_GEOMETRY_HPP
+
+#include "engine/internal_route_result.hpp"
+#include "engine/phantom_node.hpp"
+#include "engine/guidance/route_step.hpp"
+#include "engine/guidance/leg_geometry.hpp"
+#include "util/coordinate_calculation.hpp"
+#include "util/coordinate.hpp"
+#include "extractor/turn_instructions.hpp"
+#include "extractor/travel_mode.hpp"
+
+#include <vector>
+
+namespace osrm
+{
+namespace engine
+{
+namespace guidance
+{
+
+// Extracts the geometry for each segment and calculates the traveled distance
+// Combines the geometry form the phantom node with the PathData
+// to the full route geometry.
+//
+// turn    0   1   2   3   4
+//         s...x...y...z...t
+//         |---|segment 0
+//             |---| segment 1
+//                 |---| segment 2
+//                     |---| segment 3
+template <typename DataFacadeT>
+LegGeometry assembleGeometry(const DataFacadeT &facade,
+                             const std::vector<PathData> &leg_data,
+                             const PhantomNode &source_node,
+                             const PhantomNode &target_node)
+{
+    LegGeometry geometry;
+
+    // segment 0 first and last
+    geometry.segment_offsets.push_back(0);
+    geometry.locations.push_back(source_node.location);
+
+    auto current_distance = 0.;
+    auto prev_coordinate = geometry.locations.front();
+    for (const auto &path_point : leg_data)
+    {
+        auto coordinate = facade.GetCoordinateOfNode(path_point.turn_via_node);
+        current_distance +=
+            util::coordinate_calculation::haversineDistance(prev_coordinate, coordinate);
+
+        if (path_point.turn_instruction != extractor::TurnInstruction::NoTurn)
+        {
+            geometry.segment_distances.push_back(current_distance);
+            geometry.segment_offsets.push_back(geometry.locations.size());
+            current_distance = 0.;
+        }
+
+        prev_coordinate = coordinate;
+        geometry.locations.push_back(std::move(coordinate));
+    }
+    current_distance +=
+        util::coordinate_calculation::haversineDistance(prev_coordinate, target_node.location);
+    // segment leading to the target node
+    geometry.segment_distances.push_back(current_distance);
+    geometry.segment_offsets.push_back(geometry.locations.size());
+    geometry.locations.push_back(target_node.location);
+
+    BOOST_ASSERT(geometry.segment_distances.size() == geometry.segment_offsets.size() - 1);
+    BOOST_ASSERT(geometry.locations.size() > geometry.segment_distances.size());
+
+    return geometry;
+}
+}
+}
+}
+
+#endif

include/engine/guidance/assemble_leg.hpp

@@ -0,0 +1,165 @@
+#ifndef ENGINE_GUIDANCE_ASSEMBLE_LEG_HPP_
+#define ENGINE_GUIDANCE_ASSEMBLE_LEG_HPP_
+
+#include "engine/guidance/route_leg.hpp"
+#include "engine/guidance/route_step.hpp"
+#include "engine/guidance/leg_geometry.hpp"
+#include "engine/internal_route_result.hpp"
+
+#include <vector>
+#include <array>
+#include <algorithm>
+
+namespace osrm
+{
+namespace engine
+{
+namespace guidance
+{
+namespace detail
+{
+const constexpr std::size_t MAX_USED_SEGMENTS = 2;
+struct NamedSegment
+{
+    double duration;
+    std::uint32_t position;
+    std::uint32_t name_id;
+};
+
+template <std::size_t SegmentNumber>
+std::array<std::uint32_t, SegmentNumber> summarizeRoute(const std::vector<PathData> &route_data)
+{
+    // merges segments with same name id
+    const auto collapse_segments = [](std::vector<NamedSegment> &segments)
+    {
+        auto out = segments.begin();
+        auto end = segments.end();
+        for (auto in = segments.begin(); in != end; ++in)
+        {
+            if (in->name_id == out->name_id)
+            {
+                out->duration += in->duration;
+            }
+            else
+            {
+                ++out;
+                BOOST_ASSERT(out != end);
+                *out = *in;
+            }
+        }
+        return out;
+    };
+
+    std::vector<NamedSegment> segments(route_data.size());
+    std::uint32_t index = 0;
+    std::transform(
+        route_data.begin(), route_data.end(), segments.begin(), [&index](const PathData &point)
+        {
+            return NamedSegment{point.duration_until_turn / 10.0, index++, point.name_id};
+        });
+    // this makes sure that the segment with the lowest position comes first
+    std::sort(segments.begin(), segments.end(), [](const NamedSegment &lhs, const NamedSegment &rhs)
+              {
+                  return lhs.name_id < rhs.name_id ||
+                         (lhs.name_id == rhs.name_id && lhs.position < rhs.position);
+              });
+    auto new_end = collapse_segments(segments);
+    segments.resize(new_end - segments.begin());
+    // sort descending
+    std::sort(segments.begin(), segments.end(), [](const NamedSegment &lhs, const NamedSegment &rhs)
+              {
+                  return lhs.duration > rhs.duration;
+              });
+
+    // make sure the segments are sorted by position
+    segments.resize(std::min(segments.size(), SegmentNumber));
+    std::sort(segments.begin(), segments.end(), [](const NamedSegment &lhs, const NamedSegment &rhs)
+              {
+                  return lhs.position < rhs.position;
+              });
+
+    std::array<std::uint32_t, SegmentNumber> summary;
+    std::fill(summary.begin(), summary.end(), 0);
+    std::transform(segments.begin(), segments.end(), summary.begin(),
+                   [](const NamedSegment &segment)
+                   {
+                       return segment.name_id;
+                   });
+    return summary;
+}
+}
+
+template <typename DataFacadeT>
+RouteLeg assembleLeg(const DataFacadeT &facade,
+                     const std::vector<PathData> &route_data,
+                     const LegGeometry &leg_geometry,
+                     const PhantomNode &source_node,
+                     const PhantomNode &target_node,
+                     const bool source_traversed_in_reverse,
+                     const bool target_traversed_in_reverse)
+{
+    const auto source_duration =
+        (source_traversed_in_reverse ? source_node.GetReverseWeightPlusOffset()
+                                     : source_node.GetForwardWeightPlusOffset()) /
+        10.;
+    const auto target_duration =
+        (target_traversed_in_reverse ? target_node.GetReverseWeightPlusOffset()
+                                     : target_node.GetForwardWeightPlusOffset()) /
+        10.;
+
+    auto distance = std::accumulate(leg_geometry.segment_distances.begin(),
+                                    leg_geometry.segment_distances.end(), 0.);
+    auto duration = std::accumulate(route_data.begin(), route_data.end(), 0.,
+                                    [](const double sum, const PathData &data)
+                                    {
+                                        return sum + data.duration_until_turn;
+                                    }) /
+                    10.;
+
+    //                 s
+    //                 |
+    // Given a route a---b---c  where there is a right turn at b.
+    //                       |
+    //                       d
+    //                       |--t
+    //                       e
+    // (a, b, c) gets compressed to (a,c)
+    // (c, d, e) gets compressed to (c,e)
+    // The duration of the turn (a,c) -> (c,e) will be the duration of (a,c) (e.g. the duration
+    // of (a,b,c)).
+    // The phantom node of s will contain:
+    // `forward_weight`: duration of (a,s)
+    // `forward_offset`: 0 (its the first segment)
+    // The phantom node of t will contain:
+    // `forward_weight`: duration of (d,t)
+    // `forward_offset`: duration of (c, d)
+    //
+    // The PathData will contain entries of b, c and d. But only c will contain
+    // a duration value since its the only point associated with a turn.
+    // As such we want to slice of the duration for (a,s) and add the duration for
+    // (c,d,t)
+    duration = duration - source_duration + target_duration;
+    auto summary_array = detail::summarizeRoute<detail::MAX_USED_SEGMENTS>(route_data);
+
+    BOOST_ASSERT(detail::MAX_USED_SEGMENTS > 0);
+    BOOST_ASSERT(summary_array.begin() != summary_array.end());
+    std::string summary =
+        std::accumulate(std::next(summary_array.begin()), summary_array.end(),
+                        facade.get_name_for_id(summary_array.front()),
+                        [&facade](std::string previous, const std::uint32_t name_id)
+                        {
+                            if (name_id != 0)
+                            {
+                                previous += ", " + facade.get_name_for_id(name_id);
+                            }
+                            return previous;
+                        });
+
+    return RouteLeg{duration, distance, summary, {}};
+}
+
+} // namespace guidance
+} // namespace engine
+} // namespace osrm
+
+#endif // ENGINE_GUIDANCE_SEGMENT_LIST_HPP_

include/engine/guidance/assemble_overview.hpp

@@ -0,0 +1,22 @@
+#ifndef ENGINE_GUIDANCE_ASSEMBLE_OVERVIEW_HPP
+#define ENGINE_GUIDANCE_ASSEMBLE_OVERVIEW_HPP
+
+#include "engine/guidance/leg_geometry.hpp"
+
+#include <vector>
+
+namespace osrm
+{
+namespace engine
+{
+namespace guidance
+{
+
+std::vector<util::FixedPointCoordinate>
+assembleOverview(const std::vector<LegGeometry> &leg_geometries, const bool use_simplification);
+
+} // namespace guidance
+} // namespace engine
+} // namespace osrm
+
+#endif

include/engine/guidance/assemble_route.hpp

@@ -0,0 +1,37 @@
+#ifndef ENGINE_GUIDANCE_ASSEMBLE_ROUTE_HPP
+#define ENGINE_GUIDANCE_ASSEMBLE_ROUTE_HPP
+
+#include "engine/guidance/route_leg.hpp"
+#include "engine/guidance/route.hpp"
+
+#include <vector>
+#include <algorithm>
+
+namespace osrm
+{
+namespace engine
+{
+namespace guidance
+{
+    inline Route assembleRoute(const std::vector<RouteLeg> &route_legs)
+    {
+        auto distance = std::accumulate(route_legs.begin(),
+                                        route_legs.end(), 0.,
+                                        [](const double sum, const RouteLeg &leg)
+                                        {
+                                            return sum + leg.distance;
+                                        });
+        auto duration = std::accumulate(route_legs.begin(), route_legs.end(), 0.,
+                                        [](const double sum, const RouteLeg &leg)
+                                        {
+                                            return sum + leg.duration;
+                                        });
+
+        return Route{duration, distance};
+    }
+
+} // namespace guidance
+} // namespace engine
+} // namespace osrm
+
+#endif

include/engine/guidance/assemble_steps.hpp

@@ -0,0 +1,135 @@
+#ifndef ENGINE_GUIDANCE_ASSEMBLE_STEPS_HPP_
+#define ENGINE_GUIDANCE_ASSEMBLE_STEPS_HPP_
+
+#include "engine/guidance/route_step.hpp"
+#include "engine/guidance/step_maneuver.hpp"
+#include "engine/guidance/leg_geometry.hpp"
+#include "engine/internal_route_result.hpp"
+#include "engine/phantom_node.hpp"
+#include "util/coordinate_calculation.hpp"
+#include "util/coordinate.hpp"
+#include "extractor/turn_instructions.hpp"
+#include "extractor/travel_mode.hpp"
+
+#include <vector>
+
+namespace osrm
+{
+namespace engine
+{
+namespace guidance
+{
+namespace detail
+{
+// FIXME move implementation to cpp
+inline StepManeuver stepManeuverFromGeometry(const extractor::TurnInstruction instruction,
+                                             const LegGeometry &leg_geometry,
+                                             std::size_t segment_index)
+{
+    auto turn_index = leg_geometry.BackIndex(segment_index);
+    BOOST_ASSERT(turn_index > 0);
+    BOOST_ASSERT(turn_index < leg_geometry.locations.size() - 1);
+
+    // TODO chose a bigger look-a-head to smooth complex geometry
+    const auto pre_turn_coordinate = leg_geometry.locations[turn_index - 1];
+    const auto turn_coordinate = leg_geometry.locations[turn_index];
+    const auto post_turn_coordinate = leg_geometry.locations[turn_index + 1];
+
+    const double pre_turn_heading =
+        util::coordinate_calculation::bearing(pre_turn_coordinate, turn_coordinate);
+    const double post_turn_heading =
+        util::coordinate_calculation::bearing(turn_coordinate, post_turn_coordinate);
+
+    return StepManeuver{turn_coordinate, pre_turn_heading, post_turn_heading, instruction};
+}
+}
+
+template <typename DataFacadeT>
+std::vector<RouteStep> assembleSteps(const DataFacadeT &facade,
+                                     const std::vector<PathData> &leg_data,
+                                     const LegGeometry &leg_geometry,
+                                     const PhantomNode &source_node,
+                                     const PhantomNode &target_node,
+                                     const bool source_traversed_in_reverse,
+                                     const bool target_traversed_in_reverse)
+{
+    const auto source_duration =
+        (source_traversed_in_reverse ? source_node.GetReverseWeightPlusOffset()
+                                     : source_node.GetForwardWeightPlusOffset()) /
+        10.;
+    const auto source_mode = source_traversed_in_reverse ? source_node.backward_travel_mode
+                                                         : source_node.forward_travel_mode;
+
+    const auto target_duration =
+        (target_traversed_in_reverse ? target_node.GetReverseWeightPlusOffset()
+                                     : target_node.GetForwardWeightPlusOffset()) /
+        10.;
+    const auto target_mode = target_traversed_in_reverse ? target_node.backward_travel_mode
+                                                         : target_node.forward_travel_mode;
+
+    const auto number_of_segments = leg_geometry.GetNumberOfSegments();
+
+    std::vector<RouteStep> steps;
+    steps.reserve(number_of_segments);
+
+    auto segment_index = 0;
+    if (leg_data.size() > 0)
+    {
+        StepManeuver maneuver = detail::stepManeuverFromGeometry(extractor::TurnInstruction::StartAtEndOfStreet,
+                                                                 leg_geometry, segment_index);
+
+        // PathData saves the information we need of the segment _before_ the turn,
+        // but a RouteStep is with regard to the segment after the turn.
+        // We need to skip the first segment because it is already covered by the
+        for (const auto &path_point : leg_data)
+        {
+            if (path_point.turn_instruction != extractor::TurnInstruction::NoTurn)
+            {
+                auto name = facade.get_name_for_id(path_point.name_id);
+                const auto distance = leg_geometry.segment_distances[segment_index];
+                steps.push_back(RouteStep{path_point.name_id, std::move(name),
+                                          path_point.duration_until_turn / 10.0, distance,
+                                          path_point.travel_mode, maneuver,
+                                          leg_geometry.FrontIndex(segment_index),
+                                          leg_geometry.BackIndex(segment_index) + 1});
+                maneuver = detail::stepManeuverFromGeometry(path_point.turn_instruction,
+                                                            leg_geometry, segment_index);
+                segment_index++;
+            }
+        }
+        const auto distance = leg_geometry.segment_distances[segment_index];
+        steps.push_back(RouteStep{target_node.name_id, facade.get_name_for_id(target_node.name_id),
+                                  target_duration, distance, target_mode, maneuver,
+                                  leg_geometry.FrontIndex(segment_index),
+                                  leg_geometry.BackIndex(segment_index) + 1});
+    }
+    else
+    {
+        //
+        // |-----s source_duration
+        // |-------------t target_duration
+        // x---*---*---*---z compressed edge
+        //       |-------| duration
+        steps.push_back(RouteStep{
+            source_node.name_id, facade.get_name_for_id(source_node.name_id),
+            target_duration - source_duration, leg_geometry.segment_distances[segment_index],
+            source_mode,
+            StepManeuver{source_node.location, 0., 0., extractor::TurnInstruction::StartAtEndOfStreet},
+            leg_geometry.FrontIndex(segment_index), leg_geometry.BackIndex(segment_index) + 1});
+    }
+
+    BOOST_ASSERT(segment_index == number_of_segments - 1);
+    // This step has length zero, the only reason we need it is the target location
+    steps.push_back(RouteStep{
+        target_node.name_id, facade.get_name_for_id(target_node.name_id), 0., 0., target_mode,
+        StepManeuver{target_node.location, 0., 0., extractor::TurnInstruction::ReachedYourDestination},
+        leg_geometry.locations.size(), leg_geometry.locations.size()});
+
+    return steps;
+}
+
+} // namespace guidance
+} // namespace engine
+} // namespace osrm
+
+#endif // ENGINE_GUIDANCE_SEGMENT_LIST_HPP_

include/engine/guidance/leg_geometry.hpp

@@ -0,0 +1,54 @@
+#ifndef ENGINE_GUIDANCE_LEG_GEOMETRY_HPP
+#define ENGINE_GUIDANCE_LEG_GEOMETRY_HPP
+
+#include "util/coordinate.hpp"
+#include "util/integer_range.hpp"
+
+#include <boost/assert.hpp>
+#include <boost/range/iterator_range.hpp>
+
+#include <vector>
+#include <cstdlib>
+
+namespace osrm
+{
+namespace engine
+{
+namespace guidance
+{
+
+// locations 0---1---2-...-n-1---n
+// turns     s       x      y    t
+// segment   |   0   |  1   | 2  | senitel
+// offsets       0      2    n-1     n
+struct LegGeometry
+{
+    std::vector<util::FixedPointCoordinate> locations;
+    // segment_offset[i] .. segment_offset[i+1] (inclusive)
+    // contains the geometry of segment i
+    std::vector<std::size_t> segment_offsets;
+    // length of the segment in meters
+    std::vector<double> segment_distances;
+
+    std::size_t FrontIndex(std::size_t segment_index) const
+    {
+        return segment_offsets[segment_index];
+    }
+
+    std::size_t BackIndex(std::size_t segment_index) const
+    {
+        return segment_offsets[segment_index + 1];
+    }
+
+    std::size_t GetNumberOfSegments() const
+    {
+        BOOST_ASSERT(segment_offsets.size() > 0);
+        return segment_offsets.size() - 1;
+    }
+
+};
+}
+}
+}
+
+#endif

include/engine/guidance/route.hpp

@@ -0,0 +1,18 @@
+#ifndef ROUTE_HPP
+#define ROUTE_HPP
+
+namespace osrm {
+namespace engine {
+namespace guidance {
+
+struct Route
+{
+    double duration;
+    double distance;
+};
+
+}
+}
+}
+
+#endif

include/engine/guidance/route_leg.hpp

@@ -0,0 +1,30 @@
+#ifndef ROUTE_LEG_HPP
+#define ROUTE_LEG_HPP
+
+#include "engine/guidance/route_step.hpp"
+
+#include <boost/optional.hpp>
+
+#include <string>
+#include <vector>
+
+namespace osrm
+{
+namespace engine
+{
+namespace guidance
+{
+
+struct RouteLeg
+{
+    double duration;
+    double distance;
+    std::string summary;
+    std::vector<RouteStep> steps;
+};
+
+}
+}
+}
+
+#endif

include/engine/guidance/route_step.hpp

@@ -0,0 +1,39 @@
+#ifndef ROUTE_STEP_HPP
+#define ROUTE_STEP_HPP
+
+#include "extractor/travel_mode.hpp"
+#include "engine/guidance/step_maneuver.hpp"
+
+#include <string>
+#include <vector>
+
+namespace osrm
+{
+namespace engine
+{
+namespace guidance
+{
+// Given the following turn from a,b to b,c over b:
+//  a --> b --> c
+// this struct saves the information of the segment b,c.
+// Notable exceptions are Departure and Arrival steps.
+// Departue: s --> a --> b. Represents the segment s,a with location being s.
+// Arrive: a --> b --> t. The segment (b,t) is already covered by the previous segment.
+struct RouteStep
+{
+    unsigned name_id;
+    std::string way_name;
+    double duration;
+    double distance;
+    extractor::TravelMode mode;
+    StepManeuver maneuver;
+    // indices into the locations array stored the LegGeometry
+    std::size_t geometry_begin;
+    std::size_t geometry_end;
+};
+
+}
+}
+}
+
+#endif

include/engine/guidance/segment_list.hpp

@@ -1,347 +0,0 @@
-#ifndef ENGINE_GUIDANCE_SEGMENT_LIST_HPP_
-#define ENGINE_GUIDANCE_SEGMENT_LIST_HPP_
-
-#include "osrm/coordinate.hpp"
-
-#include "engine/douglas_peucker.hpp"
-#include "engine/internal_route_result.hpp"
-#include "engine/phantom_node.hpp"
-#include "engine/segment_information.hpp"
-#include "util/integer_range.hpp"
-#include "util/coordinate_calculation.hpp"
-#include "util/for_each_pair.hpp"
-#include "extractor/turn_instructions.hpp"
-
-#include <boost/assert.hpp>
-
-#include <cmath>
-#include <cstdint>
-#include <cstddef>
-#include <limits>
-#include <vector>
-
-// transfers the internal edge based data structures to a more useable format
-namespace osrm
-{
-namespace engine
-{
-namespace guidance
-{
-template <typename DataFacadeT> class SegmentList
-{
-  public:
-    using DataFacade = DataFacadeT;
-    SegmentList(const InternalRouteResult &raw_route,
-                const bool extract_alternative,
-                const unsigned zoom_level,
-                const bool allow_simplification,
-                const DataFacade *facade);
-
-    const std::vector<std::uint32_t> &GetViaIndices() const;
-    std::uint32_t GetDistance() const;
-    std::uint32_t GetDuration() const;
-
-    const std::vector<SegmentInformation> &Get() const;
-
-  private:
-    void InitRoute(const PhantomNode &phantom_node, const bool traversed_in_reverse);
-    void AddLeg(const std::vector<PathData> &leg_data,
-                const PhantomNode &target_node,
-                const bool traversed_in_reverse,
-                const bool is_via_leg,
-                const DataFacade *facade);
-
-    void AppendSegment(const FixedPointCoordinate coordinate, const PathData &path_point);
-    void Finalize(const bool extract_alternative,
-                  const InternalRouteResult &raw_route,
-                  const unsigned zoom_level,
-                  const bool allow_simplification);
-
-    // journey length in tenth of a second
-    std::uint32_t total_distance;
-    // journey distance in meter (TODO: verify)
-    std::uint32_t total_duration;
-
-    // segments that are required to keep
-    std::vector<std::uint32_t> via_indices;
-
-    // a list of node based segments
-    std::vector<SegmentInformation> segments;
-};
-
-template <typename DataFacadeT>
-SegmentList<DataFacadeT>::SegmentList(const InternalRouteResult &raw_route,
-                                      const bool extract_alternative,
-                                      const unsigned zoom_level,
-                                      const bool allow_simplification,
-                                      const DataFacade *facade)
-    : total_distance(0), total_duration(0)
-{
-    if (!raw_route.is_valid())
-    {
-        return;
-    }
-
-    if (extract_alternative)
-    {
-        BOOST_ASSERT(raw_route.has_alternative());
-        InitRoute(raw_route.segment_end_coordinates.front().source_phantom,
-                  raw_route.alt_source_traversed_in_reverse.front());
-        AddLeg(raw_route.unpacked_alternative,
-               raw_route.segment_end_coordinates.back().target_phantom,
-               raw_route.alt_source_traversed_in_reverse.back(), false, facade);
-    }
-    else
-    {
-        InitRoute(raw_route.segment_end_coordinates.front().source_phantom,
-                  raw_route.source_traversed_in_reverse.front());
-        for (std::size_t raw_index = 0; raw_index < raw_route.segment_end_coordinates.size();
-             ++raw_index)
-        {
-            AddLeg(raw_route.unpacked_path_segments[raw_index],
-                   raw_route.segment_end_coordinates[raw_index].target_phantom,
-                   raw_route.target_traversed_in_reverse[raw_index],
-                   raw_route.is_via_leg(raw_index), facade);
-            if (raw_route.is_via_leg(raw_index))
-            {
-                const auto &source_phantom =
-                    raw_route.segment_end_coordinates[raw_index].target_phantom;
-                if (raw_route.target_traversed_in_reverse[raw_index] !=
-                    raw_route.source_traversed_in_reverse[raw_index + 1])
-                {
-                    bool traversed_in_reverse = raw_route.target_traversed_in_reverse[raw_index];
-                    const extractor::TravelMode travel_mode =
-                        (traversed_in_reverse ? source_phantom.backward_travel_mode
-                                              : source_phantom.forward_travel_mode);
-                    const bool constexpr IS_NECESSARY = true;
-                    const bool constexpr IS_VIA_LOCATION = true;
-                    segments.emplace_back(source_phantom.location, source_phantom.name_id, 0, 0.f,
-                                          extractor::TurnInstruction::UTurn, IS_NECESSARY,
-                                          IS_VIA_LOCATION, travel_mode);
-                }
-            }
-        }
-    }
-
-    if (!allow_simplification)
-    {
-        // to prevent any simplifications, we mark all segments as necessary
-        for (auto &segment : segments)
-        {
-            segment.necessary = true;
-        }
-    }
-
-    Finalize(extract_alternative, raw_route, zoom_level, allow_simplification);
-}
-
-template <typename DataFacadeT>
-void SegmentList<DataFacadeT>::InitRoute(const PhantomNode &node, const bool traversed_in_reverse)
-{
-    const auto segment_duration =
-        (traversed_in_reverse ? node.reverse_weight : node.forward_weight);
-    const auto travel_mode =
-        (traversed_in_reverse ? node.backward_travel_mode : node.forward_travel_mode);
-
-    AppendSegment(node.location, PathData(0, node.name_id, extractor::TurnInstruction::HeadOn,
-                                          segment_duration, travel_mode));
-}
-
-template <typename DataFacadeT>
-void SegmentList<DataFacadeT>::AddLeg(const std::vector<PathData> &leg_data,
-                                      const PhantomNode &target_node,
-                                      const bool traversed_in_reverse,
-                                      const bool is_via_leg,
-                                      const DataFacade *facade)
-{
-    for (const auto &path_data : leg_data)
-    {
-        AppendSegment(facade->GetCoordinateOfNode(path_data.node), path_data);
-    }
-
-    const EdgeWeight segment_duration =
-        (traversed_in_reverse ? target_node.reverse_weight : target_node.forward_weight);
-    const extractor::TravelMode travel_mode =
-        (traversed_in_reverse ? target_node.backward_travel_mode : target_node.forward_travel_mode);
-    const bool constexpr IS_NECESSARY = true;
-    const bool constexpr IS_VIA_LOCATION = true;
-    segments.emplace_back(target_node.location, target_node.name_id, segment_duration, 0.f,
-                          is_via_leg ? extractor::TurnInstruction::ReachViaLocation
-                                     : extractor::TurnInstruction::NoTurn,
-                          IS_NECESSARY, IS_VIA_LOCATION, travel_mode);
-}
-
-template <typename DataFacadeT> std::uint32_t SegmentList<DataFacadeT>::GetDistance() const
-{
-    return total_distance;
-}
-template <typename DataFacadeT> std::uint32_t SegmentList<DataFacadeT>::GetDuration() const
-{
-    return total_duration;
-}
-
-template <typename DataFacadeT>
-std::vector<std::uint32_t> const &SegmentList<DataFacadeT>::GetViaIndices() const
-{
-    return via_indices;
-}
-
-template <typename DataFacadeT>
-std::vector<SegmentInformation> const &SegmentList<DataFacadeT>::Get() const
-{
-    return segments;
-}
-
-template <typename DataFacadeT>
-void SegmentList<DataFacadeT>::AppendSegment(const FixedPointCoordinate coordinate,
-                                             const PathData &path_point)
-{
-    const auto turn = path_point.turn_instruction;
-
-    segments.emplace_back(coordinate, path_point.name_id, path_point.segment_duration, 0.f, turn,
-                          path_point.travel_mode);
-}
-
-template <typename DataFacadeT>
-void SegmentList<DataFacadeT>::Finalize(const bool extract_alternative,
-                                        const InternalRouteResult &raw_route,
-                                        const unsigned zoom_level,
-                                        const bool allow_simplification)
-{
-    if (segments.empty())
-        return;
-
-    // check if first two segments can be merged
-    BOOST_ASSERT(segments.size() >= 2);
-    if (segments[0].location == segments[1].location &&
-        segments[1].turn_instruction == extractor::TurnInstruction::NoTurn)
-    {
-        segments[0].travel_mode = segments[1].travel_mode;
-        segments[0].name_id = segments[1].name_id;
-        // Other data??
-        segments.erase(segments.begin() + 1);
-    }
-
-    // announce mode changes
-    for (std::size_t i = 0; i + 1 < segments.size(); ++i)
-    {
-        auto &segment = segments[i];
-        const auto next_mode = segments[i + 1].travel_mode;
-        if (segment.travel_mode != next_mode &&
-            segment.turn_instruction == extractor::TurnInstruction::NoTurn)
-        {
-            segment.turn_instruction = extractor::TurnInstruction::GoStraight;
-            segment.necessary = true;
-        }
-    }
-
-    segments[0].length = 0.f;
-    for (const auto i : util::irange<std::size_t>(1, segments.size()))
-    {
-        // move down names by one, q&d hack
-        segments[i - 1].name_id = segments[i].name_id;
-        segments[i].length = util::coordinate_calculation::greatCircleDistance(
-            segments[i - 1].location, segments[i].location);
-    }
-
-    float segment_length = 0.;
-    EdgeWeight segment_duration = 0;
-    std::size_t segment_start_index = 0;
-
-    double path_length = 0;
-
-    for (const auto i : util::irange<std::size_t>(1, segments.size()))
-    {
-        path_length += segments[i].length;
-        segment_length += segments[i].length;
-        segment_duration += segments[i].duration;
-        segments[segment_start_index].length = segment_length;
-        segments[segment_start_index].duration = segment_duration;
-
-        if (extractor::TurnInstruction::NoTurn != segments[i].turn_instruction)
-        {
-            BOOST_ASSERT(segments[i].necessary);
-            segment_length = 0;
-            segment_duration = 0;
-            segment_start_index = i;
-
-            if (segments[i].turn_instruction == extractor::TurnInstruction::NameChanges)
-            {
-                segments[i].turn_instruction =
-                    extractor::TurnInstruction::GoStraight; // to not break the api
-            }
-        }
-    }
-
-    total_distance = static_cast<std::uint32_t>(std::round(path_length));
-    total_duration = static_cast<std::uint32_t>(std::round(
-        (extract_alternative ? raw_route.alternative_path_length : raw_route.shortest_path_length) /
-        10.));
-
-    // Post-processing to remove empty or nearly empty path segments
-    if (segments.size() > 2 && std::numeric_limits<float>::epsilon() > segments.back().length &&
-        !(segments.end() - 2)->is_via_location)
-    {
-        segments.pop_back();
-        segments.back().necessary = true;
-        segments.back().turn_instruction = extractor::TurnInstruction::NoTurn;
-    }
-
-    if (segments.size() > 2 && std::numeric_limits<float>::epsilon() > segments.front().length &&
-        !(segments.begin() + 1)->is_via_location)
-    {
-        segments.erase(segments.begin());
-        segments.front().turn_instruction = extractor::TurnInstruction::HeadOn;
-        segments.front().necessary = true;
-    }
-
-    if (allow_simplification)
-    {
-        douglasPeucker(segments, zoom_level);
-    }
-
-    std::uint32_t necessary_segments = 0; // a running index that counts the necessary pieces
-    via_indices.push_back(0);
-    const auto markNecessarySegments = [this, &necessary_segments](SegmentInformation &first,
-                                                                   const SegmentInformation &second)
-    {
-        if (!first.necessary)
-            return;
-
-        // mark the end of a leg (of several segments)
-        if (first.is_via_location)
-            via_indices.push_back(necessary_segments);
-
-        const double post_turn_bearing =
-            util::coordinate_calculation::bearing(first.location, second.location);
-        const double pre_turn_bearing =
-            util::coordinate_calculation::bearing(second.location, first.location);
-        first.post_turn_bearing = static_cast<short>(post_turn_bearing * 10);
-        first.pre_turn_bearing = static_cast<short>(pre_turn_bearing * 10);
-
-        ++necessary_segments;
-    };
-
-    // calculate which segments are necessary and update segments for bearings
-    util::for_each_pair(segments, markNecessarySegments);
-    via_indices.push_back(necessary_segments);
-
-    BOOST_ASSERT(via_indices.size() >= 2);
-}
-
-template <typename DataFacadeT>
-SegmentList<DataFacadeT> MakeSegmentList(const InternalRouteResult &raw_route,
-                                         const bool extract_alternative,
-                                         const unsigned zoom_level,
-                                         const bool allow_simplification,
-                                         const DataFacadeT *facade)
-{
-    return SegmentList<DataFacadeT>(raw_route, extract_alternative, zoom_level,
-                                    allow_simplification, facade);
-}
-
-} // namespace guidance
-} // namespace engine
-} // namespace osrm
-
-#endif // ENGINE_GUIDANCE_SEGMENT_LIST_HPP_

include/engine/guidance/step_maneuver.hpp

@@ -0,0 +1,26 @@
+#ifndef ENGINE_GUIDANCE_STEP_MANEUVER_HPP
+#define ENGINE_GUIDANCE_STEP_MANEUVER_HPP
+
+#include "util/coordinate.hpp"
+#include "extractor/turn_instructions.hpp"
+
+namespace osrm
+{
+namespace engine
+{
+namespace guidance
+{
+
+struct StepManeuver
+{
+    util::FixedPointCoordinate location;
+    double heading_before;
+    double heading_after;
+    extractor::TurnInstruction instruction;
+};
+
+}
+}
+}
+#endif
+

include/engine/guidance/textual_route_annotation.hpp

@@ -1,147 +0,0 @@
-#ifndef ENGINE_GUIDANCE_TEXTUAL_ROUTE_ANNOTATIONS_HPP_
-#define ENGINE_GUIDANCE_TEXTUAL_ROUTE_ANNOTATIONS_HPP_
-
-#include "engine/segment_information.hpp"
-#include "engine/guidance/segment_list.hpp"
-#include "extractor/turn_instructions.hpp"
-#include "osrm/json_container.hpp"
-#include "util/bearing.hpp"
-#include "util/cast.hpp"
-
-#include <cstdint>
-
-#include <limits>
-#include <string>
-#include <utility>
-#include <vector>
-
-namespace osrm
-{
-namespace engine
-{
-namespace guidance
-{
-template <typename DataFacadeT>
-inline util::json::Array AnnotateRoute(const std::vector<SegmentInformation> &route_segments,
-                                       DataFacadeT *facade)
-{
-    util::json::Array json_instruction_array;
-    if (route_segments.empty())
-        return json_instruction_array;
-    // Segment information has following format:
-    //["instruction id","streetname",length,position,time,"length","earth_direction",azimuth]
-    std::int32_t necessary_segments_running_index = 0;
-
-    struct RoundAbout
-    {
-        std::int32_t start_index;
-        std::uint32_t name_id;
-        std::int32_t leave_at_exit;
-    } round_about;
-
-    round_about = {std::numeric_limits<std::int32_t>::max(), 0, 0};
-    std::string temp_dist, temp_length, temp_duration, temp_bearing, temp_instruction;
-    extractor::TravelMode last_travel_mode = TRAVEL_MODE_DEFAULT;
-
-    // Generate annotations for every segment
-    for (std::size_t i = 0; i < route_segments.size(); ++i)
-    {
-        const auto &segment = route_segments[i];
-        util::json::Array json_instruction_row;
-        extractor::TurnInstruction current_instruction = segment.turn_instruction;
-        if (extractor::isTurnNecessary(current_instruction))
-        {
-            if (extractor::TurnInstruction::EnterRoundAbout == current_instruction)
-            {
-                round_about.name_id = segment.name_id;
-                round_about.start_index = necessary_segments_running_index;
-            }
-            else
-            {
-                std::string current_turn_instruction;
-                if (extractor::TurnInstruction::LeaveRoundAbout == current_instruction)
-                {
-                    temp_instruction = std::to_string(util::cast::enum_to_underlying(
-                        extractor::TurnInstruction::EnterRoundAbout));
-                    current_turn_instruction += temp_instruction;
-                    current_turn_instruction += "-";
-                    temp_instruction = std::to_string(round_about.leave_at_exit + 1);
-                    current_turn_instruction += temp_instruction;
-                    round_about.leave_at_exit = 0;
-                }
-                else
-                {
-                    temp_instruction =
-                        std::to_string(util::cast::enum_to_underlying(current_instruction));
-                    current_turn_instruction += temp_instruction;
-                }
-                json_instruction_row.values.emplace_back(std::move(current_turn_instruction));
-
-                json_instruction_row.values.push_back(facade->get_name_for_id(segment.name_id));
-                json_instruction_row.values.push_back(std::round(segment.length));
-                json_instruction_row.values.push_back(necessary_segments_running_index);
-                json_instruction_row.values.push_back(std::round(segment.duration / 10.));
-                json_instruction_row.values.push_back(
-                    std::to_string(static_cast<std::uint32_t>(segment.length)) + "m");
-
-                // post turn bearing
-                const double post_turn_bearing_value = (segment.post_turn_bearing / 10.);
-                json_instruction_row.values.push_back(util::bearing::get(post_turn_bearing_value));
-                json_instruction_row.values.push_back(
-                    static_cast<std::uint32_t>(std::round(post_turn_bearing_value)));
-
-                if (i + 1 < route_segments.size())
-                {
-                    // anounce next travel mode with turn
-                    json_instruction_row.values.push_back(route_segments[i + 1].travel_mode);
-                    last_travel_mode = segment.travel_mode;
-                }
-                else
-                {
-                    json_instruction_row.values.push_back(segment.travel_mode);
-                    last_travel_mode = segment.travel_mode;
-                }
-
-                // pre turn bearing
-                const double pre_turn_bearing_value = (segment.pre_turn_bearing / 10.);
-                json_instruction_row.values.push_back(util::bearing::get(pre_turn_bearing_value));
-                json_instruction_row.values.push_back(
-                    static_cast<std::uint32_t>(std::round(pre_turn_bearing_value)));
-
-                json_instruction_array.values.push_back(json_instruction_row);
-            }
-        }
-        else if (extractor::TurnInstruction::StayOnRoundAbout == current_instruction)
-        {
-            ++round_about.leave_at_exit;
-        }
-        if (segment.necessary)
-        {
-            ++necessary_segments_running_index;
-        }
-    }
-
-    util::json::Array json_last_instruction_row;
-    temp_instruction = std::to_string(
-        util::cast::enum_to_underlying(extractor::TurnInstruction::ReachedYourDestination));
-    json_last_instruction_row.values.emplace_back(std::move(temp_instruction));
-    json_last_instruction_row.values.push_back("");
-    json_last_instruction_row.values.push_back(0);
-    json_last_instruction_row.values.push_back(necessary_segments_running_index - 1);
-    json_last_instruction_row.values.push_back(0);
-    json_last_instruction_row.values.push_back("0m");
-    json_last_instruction_row.values.push_back(util::bearing::get(0.0));
-    json_last_instruction_row.values.push_back(0.);
-    json_last_instruction_row.values.push_back(last_travel_mode);
-    json_last_instruction_row.values.push_back(util::bearing::get(0.0));
-    json_last_instruction_row.values.push_back(0.);
-    json_instruction_array.values.emplace_back(std::move(json_last_instruction_row));
-
-    return json_instruction_array;
-}
-
-} // namespace guidance
-} // namespace engine
-} // namespace osrm
-
-#endif

include/engine/hint.hpp

@@ -0,0 +1,61 @@
+#ifndef ENGINE_HINT_HPP
+#define ENGINE_HINT_HPP
+
+#include "engine/object_encoder.hpp"
+#include "engine/phantom_node.hpp"
+
+#include <boost/assert.hpp>
+#include <cmath>
+
+namespace osrm
+{
+namespace engine
+{
+
+// Is returned as a temporary identifier for snapped coodinates
+struct Hint
+{
+    FixedPointCoordinate input_coordinate;
+    PhantomNode phantom;
+    std::uint32_t data_checksum;
+
+    template <typename DataFacadeT>
+    bool IsValid(const FixedPointCoordinate new_input_coordinates, DataFacadeT &facade) const
+    {
+        auto is_same_input_coordinate = new_input_coordinates.lat == input_coordinate.lat &&
+                                        new_input_coordinates.lon == input_coordinate.lon;
+        return is_same_input_coordinate && phantom.IsValid(facade.GetNumberOfNodes()) &&
+               facade.GetCheckSum() == data_checksum;
+    }
+
+    std::string ToBase64() const
+    {
+        std::string encoded = encodeBase64(*this);
+        return encoded;
+    }
+
+    static Hint FromBase64(const std::string &base64Hint)
+    {
+        BOOST_ASSERT_MSG(base64Hint.size() ==
+                             static_cast<std::size_t>(std::ceil(sizeof(Hint) / 3.) * 4),
+                         "Hint has invalid size");
+
+        auto decoded = decodeBase64<Hint>(base64Hint);
+        return decoded;
+    }
+};
+
+#ifndef _MSC_VER
+constexpr std::size_t ENCODED_HINT_SIZE = 88;
+static_assert(ENCODED_HINT_SIZE / 4 * 3 >= sizeof(Hint),
+              "ENCODED_HINT_SIZE does not match size of Hint");
+#else
+// PhantomNode is bigger under windows because MSVC does not support bit packing
+constexpr std::size_t ENCODED_HINT_SIZE = 84;
+static_assert(ENCODED_HINT_SIZE / 4 * 3 >= sizeof(Hint),
+              "ENCODED_HINT_SIZE does not match size of Hint");
+#endif
+}
+}
+
+#endif

include/engine/internal_route_result.hpp

@@ -17,26 +17,15 @@ namespace engine
 
 struct PathData
 {
-    PathData()
-        : node(SPECIAL_NODEID), name_id(INVALID_EDGE_WEIGHT), segment_duration(INVALID_EDGE_WEIGHT),
-          turn_instruction(extractor::TurnInstruction::NoTurn),
-          travel_mode(TRAVEL_MODE_INACCESSIBLE)
-    {
-    }
-
-    PathData(NodeID node,
-             unsigned name_id,
-             extractor::TurnInstruction turn_instruction,
-             EdgeWeight segment_duration,
-             extractor::TravelMode travel_mode)
-        : node(node), name_id(name_id), segment_duration(segment_duration),
-          turn_instruction(turn_instruction), travel_mode(travel_mode)
-    {
-    }
-    NodeID node;
+    // id of via node of the turn
+    NodeID turn_via_node;
+    // name of the street that leads to the turn
     unsigned name_id;
-    EdgeWeight segment_duration;
+    // duration that is traveled on the segment until the turn is reached
+    EdgeWeight duration_until_turn;
+    // instruction to execute at the turn
     extractor::TurnInstruction turn_instruction;
+    // travel mode of the street that leads to the turn
     extractor::TravelMode travel_mode : 4;
 };
 

include/engine/phantom_node.hpp

@@ -94,7 +94,7 @@ struct PhantomNode
     bool operator==(const PhantomNode &other) const { return location == other.location; }
 
     template <class OtherT>
-    PhantomNode(const OtherT &other, int forward_weight_, int forward_offset_, int reverse_weight_, int reverse_offset_, const util::FixedPointCoordinate foot_point)
+    explicit PhantomNode(const OtherT &other, int forward_weight_, int forward_offset_, int reverse_weight_, int reverse_offset_, const util::FixedPointCoordinate foot_point)
     {
         forward_node_id = other.forward_edge_based_node_id;
         reverse_node_id = other.reverse_edge_based_node_id;

include/engine/plugins/plugin_base.hpp

@@ -1,11 +1,14 @@
 #ifndef BASE_PLUGIN_HPP
 #define BASE_PLUGIN_HPP
 
+#include "engine/datafacade/datafacade_base.hpp"
+#include "engine/api/base_parameters.hpp"
 #include "engine/phantom_node.hpp"
+#include "engine/status.hpp"
 
-#include "osrm/coordinate.hpp"
-#include "osrm/json_container.hpp"
-#include "osrm/route_parameters.hpp"
+#include "util/coordinate.hpp"
+#include "util/json_container.hpp"
+#include "util/integer_range.hpp"
 
 #include <algorithm>
 #include <string>
@@ -20,38 +23,32 @@ namespace plugins
 
 class BasePlugin
 {
-  public:
-    enum class Status : int
-    {
-        Ok = 200,
-        EmptyResult = 207,
-        NoSegment = 208,
-        Error = 400
-    };
+  protected:
+    datafacade::BaseDataFacade &facade;
+    BasePlugin(datafacade::BaseDataFacade &facade_) : facade(facade_) {}
 
-    BasePlugin() {}
-    // Maybe someone can explain the pure virtual destructor thing to me (dennis)
-    virtual ~BasePlugin() {}
-    virtual const std::string GetDescriptor() const = 0;
-    virtual Status HandleRequest(const RouteParameters &, util::json::Object &) = 0;
-    virtual bool check_all_coordinates(const std::vector<util::FixedPointCoordinate> &coordinates,
-                                       const unsigned min = 2) const final
+    bool CheckAllCoordinates(const std::vector<util::FixedPointCoordinate> &coordinates)
     {
-        if (min > coordinates.size() || std::any_of(std::begin(coordinates), std::end(coordinates),
-                                                    [](const util::FixedPointCoordinate coordinate)
-                                                    {
-                                                        return !coordinate.IsValid();
-                                                    }))
-        {
-            return false;
-        }
-        return true;
+        return !std::any_of(std::begin(coordinates), std::end(coordinates),
+                           [](const util::FixedPointCoordinate &coordinate)
+                           {
+                               return !coordinate.IsValid();
+                           });
+    }
+
+    Status Error(const std::string &code,
+                 const std::string &message,
+                 util::json::Object &json_result) const
+    {
+        json_result.values["code"] = code;
+        json_result.values["message"] = message;
+        return Status::Error;
     }
 
     // Decides whether to use the phantom node from a big or small component if both are found.
     // Returns true if all phantom nodes are in the same component after snapping.
-    std::vector<PhantomNode> snapPhantomNodes(
-        const std::vector<std::pair<PhantomNode, PhantomNode>> &phantom_node_pair_list) const
+    std::vector<PhantomNode>
+    SnapPhantomNodes(const std::vector<PhantomNodePair> &phantom_node_pair_list) const
     {
         const auto check_component_id_is_tiny =
             [](const std::pair<PhantomNode, PhantomNode> &phantom_pair)
@@ -111,6 +108,69 @@ class BasePlugin
 
         return snapped_phantoms;
     }
+
+    std::vector<PhantomNodePair> GetPhantomNodes(const api::BaseParameters &parameters)
+    {
+        std::vector<PhantomNodePair> phantom_node_pairs(parameters.coordinates.size());
+
+        const bool use_hints = !parameters.hints.empty();
+        const bool use_bearings = !parameters.bearings.empty();
+        const bool use_radiuses = !parameters.radiuses.empty();
+
+        BOOST_ASSERT(parameters.IsValid());
+        for (const auto i : util::irange<std::size_t>(0, parameters.coordinates.size()))
+        {
+            if (use_hints && parameters.hints[i] &&
+                parameters.hints[i]->IsValid(parameters.coordinates[i], facade))
+            {
+                phantom_node_pairs[i].first = parameters.hints[i]->phantom;
+                // we don't set the second one - it will be marked as invalid
+                continue;
+            }
+
+            if (use_bearings && parameters.bearings[i])
+            {
+                if (use_radiuses && parameters.radiuses[i])
+                {
+                    phantom_node_pairs[i] =
+                        facade.NearestPhantomNodeWithAlternativeFromBigComponent(
+                            parameters.coordinates[i], *parameters.radiuses[i],
+                            parameters.bearings[i]->bearing, parameters.bearings[i]->range);
+                }
+                else
+                    phantom_node_pairs[i] =
+                        facade.NearestPhantomNodeWithAlternativeFromBigComponent(
+                            parameters.coordinates[i], parameters.bearings[i]->bearing,
+                            parameters.bearings[i]->range);
+                {
+                }
+            }
+            else
+            {
+                if (use_radiuses && parameters.radiuses[i])
+                {
+                    phantom_node_pairs[i] =
+                        facade.NearestPhantomNodeWithAlternativeFromBigComponent(
+                            parameters.coordinates[i], *parameters.radiuses[i]);
+                }
+                else
+                    phantom_node_pairs[i] =
+                        facade.NearestPhantomNodeWithAlternativeFromBigComponent(
+                            parameters.coordinates[i]);
+                {
+                }
+            }
+
+            // we didn't found a fitting node, return error
+            if (!phantom_node_pairs[i].first.IsValid(facade.GetNumberOfNodes()))
+            {
+                break;
+            }
+            BOOST_ASSERT(phantom_node_pairs[i].first.IsValid(facade.GetNumberOfNodes()));
+            BOOST_ASSERT(phantom_node_pairs[i].second.IsValid(facade.GetNumberOfNodes()));
+        }
+        return phantom_node_pairs;
+    }
 };
 }
 }

include/engine/plugins/viaroute.hpp

@@ -1,17 +1,16 @@
 #ifndef VIA_ROUTE_HPP
 #define VIA_ROUTE_HPP
 
+#include "engine/datafacade/datafacade_base.hpp"
 #include "engine/plugins/plugin_base.hpp"
+#include "engine/api/route_api.hpp"
 
-#include "engine/api_response_generator.hpp"
 #include "engine/object_encoder.hpp"
-#include "engine/search_engine.hpp"
-#include "util/for_each_pair.hpp"
-#include "util/integer_range.hpp"
-#include "util/make_unique.hpp"
-#include "util/simple_logger.hpp"
-#include "util/timing_util.hpp"
-#include "osrm/json_container.hpp"
+#include "engine/search_engine_data.hpp"
+#include "engine/routing_algorithms/shortest_path.hpp"
+#include "engine/routing_algorithms/alternative_path.hpp"
+#include "engine/routing_algorithms/direct_shortest_path.hpp"
+#include "util/json_container.hpp"
 
 #include <cstdlib>
 
@@ -27,146 +26,20 @@ namespace engine
 namespace plugins
 {
 
-template <class DataFacadeT> class ViaRoutePlugin final : public BasePlugin
+class ViaRoutePlugin final : public BasePlugin
 {
   private:
-    std::string descriptor_string;
-    std::unique_ptr<SearchEngine<DataFacadeT>> search_engine_ptr;
-    DataFacadeT *facade;
+    SearchEngineData heaps;
+    routing_algorithms::ShortestPathRouting<datafacade::BaseDataFacade> shortest_path;
+    routing_algorithms::AlternativeRouting<datafacade::BaseDataFacade> alternative_path;
+    routing_algorithms::DirectShortestPathRouting<datafacade::BaseDataFacade> direct_shortest_path;
     int max_locations_viaroute;
 
   public:
-    explicit ViaRoutePlugin(DataFacadeT *facade, int max_locations_viaroute)
-        : descriptor_string("viaroute"), facade(facade),
-          max_locations_viaroute(max_locations_viaroute)
-    {
-        search_engine_ptr = util::make_unique<SearchEngine<DataFacadeT>>(facade);
-    }
+    explicit ViaRoutePlugin(datafacade::BaseDataFacade &facade, int max_locations_viaroute);
 
-    virtual ~ViaRoutePlugin() {}
-
-    const std::string GetDescriptor() const override final { return descriptor_string; }
-
-    Status HandleRequest(const RouteParameters &route_parameters,
-                         util::json::Object &json_result) override final
-    {
-        if (max_locations_viaroute > 0 &&
-            (static_cast<int>(route_parameters.coordinates.size()) > max_locations_viaroute))
-        {
-            json_result.values["status_message"] =
-                "Number of entries " + std::to_string(route_parameters.coordinates.size()) +
-                " is higher than current maximum (" + std::to_string(max_locations_viaroute) + ")";
-            return Status::Error;
-        }
-
-        if (!check_all_coordinates(route_parameters.coordinates))
-        {
-            json_result.values["status_message"] = "Invalid coordinates";
-            return Status::Error;
-        }
-
-        const auto &input_bearings = route_parameters.bearings;
-        if (input_bearings.size() > 0 &&
-            route_parameters.coordinates.size() != input_bearings.size())
-        {
-            json_result.values["status_message"] =
-                "Number of bearings does not match number of coordinate";
-            return Status::Error;
-        }
-
-        std::vector<PhantomNodePair> phantom_node_pair_list(route_parameters.coordinates.size());
-        const bool checksum_OK = (route_parameters.check_sum == facade->GetCheckSum());
-
-        for (const auto i : util::irange<std::size_t>(0, route_parameters.coordinates.size()))
-        {
-            if (checksum_OK && i < route_parameters.hints.size() &&
-                !route_parameters.hints[i].empty())
-            {
-                phantom_node_pair_list[i].first =
-                    decodeBase64<PhantomNode>(route_parameters.hints[i]);
-                if (phantom_node_pair_list[i].first.IsValid(facade->GetNumberOfNodes()))
-                {
-                    continue;
-                }
-            }
-            const int bearing = input_bearings.size() > 0 ? input_bearings[i].first : 0;
-            const int range = input_bearings.size() > 0
-                                  ? (input_bearings[i].second ? *input_bearings[i].second : 10)
-                                  : 180;
-            phantom_node_pair_list[i] = facade->NearestPhantomNodeWithAlternativeFromBigComponent(
-                route_parameters.coordinates[i], bearing, range);
-            // we didn't found a fitting node, return error
-            if (!phantom_node_pair_list[i].first.IsValid(facade->GetNumberOfNodes()))
-            {
-                json_result.values["status_message"] =
-                    std::string("Could not find a matching segment for coordinate ") +
-                    std::to_string(i);
-                return Status::NoSegment;
-            }
-            BOOST_ASSERT(phantom_node_pair_list[i].first.IsValid(facade->GetNumberOfNodes()));
-            BOOST_ASSERT(phantom_node_pair_list[i].second.IsValid(facade->GetNumberOfNodes()));
-        }
-
-        auto snapped_phantoms = snapPhantomNodes(phantom_node_pair_list);
-
-        InternalRouteResult raw_route;
-        auto build_phantom_pairs =
-            [&raw_route](const PhantomNode &first_node, const PhantomNode &second_node)
-        {
-            raw_route.segment_end_coordinates.push_back(PhantomNodes{first_node, second_node});
-        };
-        util::for_each_pair(snapped_phantoms, build_phantom_pairs);
-
-        if (1 == raw_route.segment_end_coordinates.size())
-        {
-            if (route_parameters.alternate_route && facade->GetCoreSize() == 0)
-            {
-                search_engine_ptr->alternative_path(raw_route.segment_end_coordinates.front(),
-                                                    raw_route);
-            }
-            else
-            {
-                search_engine_ptr->direct_shortest_path(raw_route.segment_end_coordinates,
-                                                        route_parameters.uturns, raw_route);
-            }
-        }
-        else
-        {
-            search_engine_ptr->shortest_path(raw_route.segment_end_coordinates,
-                                             route_parameters.uturns, raw_route);
-        }
-
-        // we can only know this after the fact, different SCC ids still
-        // allow for connection in one direction.
-        if (raw_route.is_valid())
-        {
-            auto generator = MakeApiResponseGenerator(facade);
-            generator.DescribeRoute(route_parameters, raw_route, json_result);
-            json_result.values["status_message"] = "Found route between points";
-        }
-        else
-        {
-            auto first_component_id = snapped_phantoms.front().component.id;
-            auto not_in_same_component =
-                std::any_of(snapped_phantoms.begin(), snapped_phantoms.end(),
-                            [first_component_id](const PhantomNode &node)
-                            {
-                                return node.component.id != first_component_id;
-                            });
-
-            if (not_in_same_component)
-            {
-                json_result.values["status_message"] = "Impossible route between points";
-                return Status::EmptyResult;
-            }
-            else
-            {
-                json_result.values["status_message"] = "No route found between points";
-                return Status::Error;
-            }
-        }
-        return Status::Ok;
-    }
+    Status HandleRequest(const api::RouteParameters &route_parameters,
+                         util::json::Object &json_result);
 };
 }
 }

include/engine/polyline_compressor.hpp

@@ -2,7 +2,6 @@
 #define POLYLINECOMPRESSOR_H_
 
 #include "osrm/coordinate.hpp"
-#include "engine/segment_information.hpp"
 
 #include <string>
 #include <vector>
@@ -11,13 +10,21 @@ namespace osrm
 {
 namespace engine
 {
+namespace detail
+{
+    constexpr double POLYLINE_PECISION = 1e5;
+    constexpr double COORDINATE_TO_POLYLINE = POLYLINE_PECISION / COORDINATE_PRECISION;
+    constexpr double POLYLINE_TO_COORDINATE = COORDINATE_PRECISION / POLYLINE_PECISION;
+}
+
+using CoordVectorForwardIter = std::vector<FixedPointCoordinate>::const_iterator;
 // Encodes geometry into polyline format.
 // See: https://developers.google.com/maps/documentation/utilities/polylinealgorithm
-std::string polylineEncode(const std::vector<SegmentInformation> &geometry);
+std::string encodePolyline(CoordVectorForwardIter begin, CoordVectorForwardIter end);
 
 // Decodes geometry from polyline format
 // See: https://developers.google.com/maps/documentation/utilities/polylinealgorithm
-std::vector<util::FixedPointCoordinate> polylineDecode(const std::string &polyline);
+std::vector<util::FixedPointCoordinate> decodePolyline(const std::string &polyline);
 }
 }
 

include/engine/polyline_formatter.hpp

@@ -1,24 +0,0 @@
-#ifndef POLYLINE_FORMATTER_HPP
-#define POLYLINE_FORMATTER_HPP
-
-#include "engine/segment_information.hpp"
-#include "osrm/json_container.hpp"
-
-#include <string>
-#include <vector>
-
-namespace osrm
-{
-namespace engine
-{
-
-// Encodes geometry into polyline format, returning an encoded JSON object
-// See: https://developers.google.com/maps/documentation/utilities/polylinealgorithm
-util::json::String polylineEncodeAsJSON(const std::vector<SegmentInformation> &geometry);
-
-// Does not encode the geometry in polyline format, instead returning an unencoded JSON object
-util::json::Array polylineUnencodedAsJSON(const std::vector<SegmentInformation> &geometry);
-}
-}
-
-#endif /* POLYLINE_FORMATTER_HPP */

include/engine/route_name_extraction.hpp

@@ -1,149 +0,0 @@
-#ifndef EXTRACT_ROUTE_NAMES_H
-#define EXTRACT_ROUTE_NAMES_H
-
-#include <boost/assert.hpp>
-
-#include <algorithm>
-#include <string>
-#include <utility>
-#include <vector>
-
-namespace osrm
-{
-namespace engine
-{
-
-struct RouteNames
-{
-    std::string shortest_path_name_1;
-    std::string shortest_path_name_2;
-    std::string alternative_path_name_1;
-    std::string alternative_path_name_2;
-};
-
-namespace detail
-{
-
-template <class SegmentT>
-SegmentT pickNextLongestSegment(const std::vector<SegmentT> &segment_list,
-                                const unsigned blocked_name_id)
-{
-    SegmentT result_segment;
-    result_segment.name_id = blocked_name_id; // make sure we get a valid name
-    result_segment.length = 0;
-
-    for (const SegmentT &segment : segment_list)
-    {
-        if (segment.name_id != blocked_name_id && segment.length > result_segment.length &&
-            segment.name_id != 0)
-        {
-            result_segment = segment;
-        }
-    }
-    return result_segment;
-}
-
-} // ns detail
-
-template <class DataFacadeT, class SegmentT>
-RouteNames extractRouteNames(std::vector<SegmentT> &shortest_path_segments,
-                             std::vector<SegmentT> &alternative_path_segments,
-                             const DataFacadeT *facade)
-{
-    RouteNames route_names;
-
-    if (shortest_path_segments.empty())
-    {
-        return route_names;
-    }
-
-    SegmentT shortest_segment_1, shortest_segment_2;
-    SegmentT alternative_segment_1, alternative_segment_2;
-
-    const auto length_comperator = [](const SegmentT &a, const SegmentT &b)
-    {
-        return a.length > b.length;
-    };
-    const auto name_id_comperator = [](const SegmentT &a, const SegmentT &b)
-    {
-        return a.name_id < b.name_id;
-    };
-
-    // pick the longest segment for the shortest path.
-    std::sort(shortest_path_segments.begin(), shortest_path_segments.end(), length_comperator);
-    shortest_segment_1 = shortest_path_segments[0];
-
-    if (!alternative_path_segments.empty())
-    {
-        std::sort(alternative_path_segments.begin(), alternative_path_segments.end(),
-                  length_comperator);
-
-        // also pick the longest segment for the alternative path
-        alternative_segment_1 = alternative_path_segments[0];
-    }
-
-    // compute the set difference (for shortest path) depending on names between shortest and
-    // alternative
-    std::vector<SegmentT> shortest_path_set_difference(shortest_path_segments.size());
-    std::sort(shortest_path_segments.begin(), shortest_path_segments.end(), name_id_comperator);
-    std::sort(alternative_path_segments.begin(), alternative_path_segments.end(),
-              name_id_comperator);
-    std::set_difference(shortest_path_segments.begin(), shortest_path_segments.end(),
-                        alternative_path_segments.begin(), alternative_path_segments.end(),
-                        shortest_path_set_difference.begin(), name_id_comperator);
-
-    std::sort(shortest_path_set_difference.begin(), shortest_path_set_difference.end(),
-              length_comperator);
-    shortest_segment_2 =
-        pickNextLongestSegment(shortest_path_set_difference, shortest_segment_1.name_id);
-
-    // compute the set difference (for alternative path) depending on names between shortest and
-    // alternative
-    // vectors are still sorted, no need to do again
-    BOOST_ASSERT(std::is_sorted(shortest_path_segments.begin(), shortest_path_segments.end(),
-                                name_id_comperator));
-    BOOST_ASSERT(std::is_sorted(alternative_path_segments.begin(), alternative_path_segments.end(),
-                                name_id_comperator));
-
-    std::vector<SegmentT> alternative_path_set_difference(alternative_path_segments.size());
-    std::set_difference(alternative_path_segments.begin(), alternative_path_segments.end(),
-                        shortest_path_segments.begin(), shortest_path_segments.end(),
-                        alternative_path_set_difference.begin(), name_id_comperator);
-
-    std::sort(alternative_path_set_difference.begin(), alternative_path_set_difference.end(),
-              length_comperator);
-
-    if (!alternative_path_segments.empty())
-    {
-        alternative_segment_2 =
-            pickNextLongestSegment(alternative_path_set_difference, alternative_segment_1.name_id);
-    }
-
-    // move the segments into the order in which they occur.
-    if (shortest_segment_1.position > shortest_segment_2.position)
-    {
-        std::swap(shortest_segment_1, shortest_segment_2);
-    }
-    if (alternative_segment_1.position > alternative_segment_2.position)
-    {
-        std::swap(alternative_segment_1, alternative_segment_2);
-    }
-
-    // fetching names for the selected segments
-    route_names.shortest_path_name_1 = facade->get_name_for_id(shortest_segment_1.name_id);
-    route_names.shortest_path_name_2 = facade->get_name_for_id(shortest_segment_2.name_id);
-
-    if (!alternative_path_segments.empty())
-    {
-        route_names.alternative_path_name_1 =
-            facade->get_name_for_id(alternative_segment_1.name_id);
-        route_names.alternative_path_name_2 =
-            facade->get_name_for_id(alternative_segment_2.name_id);
-    }
-
-    return route_names;
-}
-}
-}
-
-#endif // EXTRACT_ROUTE_NAMES_H

include/engine/route_parameters.hpp

@@ -1,129 +0,0 @@
-/*
-
-Copyright (c) 2016, 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 ROUTE_PARAMETERS_HPP
-#define ROUTE_PARAMETERS_HPP
-
-#include "osrm/coordinate.hpp"
-
-#include <boost/optional/optional.hpp>
-
-#include <string>
-#include <vector>
-
-namespace osrm
-{
-namespace engine
-{
-
-struct RouteParameters
-{
-    RouteParameters();
-
-    void SetZoomLevel(const short level);
-
-    void SetNumberOfResults(const short number);
-
-    void SetAlternateRouteFlag(const bool flag);
-
-    void SetUTurn(const bool flag);
-
-    void SetAllUTurns(const bool flag);
-
-    void SetClassify(const bool classify);
-
-    void SetMatchingBeta(const double beta);
-
-    void SetGPSPrecision(const double precision);
-
-    void SetDeprecatedAPIFlag(const std::string &);
-
-    void SetChecksum(const unsigned check_sum);
-
-    void SetInstructionFlag(const bool flag);
-
-    void SetService(const std::string &service);
-
-    void SetOutputFormat(const std::string &format);
-
-    void SetJSONpParameter(const std::string &parameter);
-
-    void AddHint(const std::string &hint);
-
-    void AddTimestamp(const unsigned timestamp);
-
-    bool AddBearing(int bearing, boost::optional<int> range);
-
-    void SetLanguage(const std::string &language);
-
-    void SetGeometryFlag(const bool flag);
-
-    void SetCompressionFlag(const bool flag);
-
-    void AddCoordinate(const double latitude, const double longitude);
-
-    void AddDestination(const double latitude, const double longitude);
-
-    void AddSource(const double latitude, const double longitude);
-
-    void SetCoordinatesFromGeometry(const std::string &geometry_string);
-
-    bool SetX(const int x);
-    bool SetZ(const int z);
-    bool SetY(const int y);
-
-    short zoom_level;
-    bool print_instructions;
-    bool alternate_route;
-    bool geometry;
-    bool compression;
-    bool deprecatedAPI;
-    bool uturn_default;
-    bool classify;
-    double matching_beta;
-    double gps_precision;
-    unsigned check_sum;
-    short num_results;
-    std::string service;
-    std::string output_format;
-    std::string jsonp_parameter;
-    std::string language;
-    std::vector<std::string> hints;
-    std::vector<unsigned> timestamps;
-    std::vector<std::pair<const int, const boost::optional<int>>> bearings;
-    std::vector<bool> uturns;
-    std::vector<FixedPointCoordinate> coordinates;
-    std::vector<bool> is_destination;
-    std::vector<bool> is_source;
-    int z;
-    int x;
-    int y;
-};
-}
-}
-
-#endif // ROUTE_PARAMETERS_HPP

include/engine/routing_algorithms/direct_shortest_path.hpp

@@ -40,11 +40,8 @@ class DirectShortestPathRouting final
     ~DirectShortestPathRouting() {}
 
     void operator()(const std::vector<PhantomNodes> &phantom_nodes_vector,
-                    const std::vector<bool> &uturn_indicators,
                     InternalRouteResult &raw_route_data) const
     {
-        (void)uturn_indicators; // unused
-
         // Get distance to next pair of target nodes.
         BOOST_ASSERT_MSG(1 == phantom_nodes_vector.size(),
                          "Direct Shortest Path Query only accepts a single source and target pair. "

include/engine/routing_algorithms/routing_base.hpp

@@ -24,13 +24,6 @@ namespace osrm
 namespace engine
 {
 
-SearchEngineData::SearchEngineHeapPtr SearchEngineData::forward_heap_1;
-SearchEngineData::SearchEngineHeapPtr SearchEngineData::reverse_heap_1;
-SearchEngineData::SearchEngineHeapPtr SearchEngineData::forward_heap_2;
-SearchEngineData::SearchEngineHeapPtr SearchEngineData::reverse_heap_2;
-SearchEngineData::SearchEngineHeapPtr SearchEngineData::forward_heap_3;
-SearchEngineData::SearchEngineHeapPtr SearchEngineData::reverse_heap_3;
-
 namespace routing_algorithms
 {
 
@@ -327,13 +320,13 @@ template <class DataFacadeT, class Derived> class BasicRoutingInterface
                 BOOST_ASSERT(start_index < end_index);
                 for (std::size_t i = start_index; i < end_index; ++i)
                 {
-                    unpacked_path.emplace_back(id_vector[i], name_index,
-                                               extractor::TurnInstruction::NoTurn, weight_vector[i],
-                                               travel_mode);
+                    unpacked_path.push_back(PathData{id_vector[i], name_index, weight_vector[i],
+                                                     extractor::TurnInstruction::NoTurn,
+                                                     travel_mode});
                 }
                 BOOST_ASSERT(unpacked_path.size() > 0);
                 unpacked_path.back().turn_instruction = turn_instruction;
-                unpacked_path.back().segment_duration += (ed.distance - total_weight);
+                unpacked_path.back().duration_until_turn += (ed.distance - total_weight);
             }
         }
         std::vector<unsigned> id_vector;
@@ -373,7 +366,7 @@ template <class DataFacadeT, class Derived> class BasicRoutingInterface
             BOOST_ASSERT(phantom_node_pair.target_phantom.forward_travel_mode > 0);
             unpacked_path.emplace_back(
                 PathData{id_vector[i], phantom_node_pair.target_phantom.name_id,
-                         extractor::TurnInstruction::NoTurn, 0,
+                         0, extractor::TurnInstruction::NoTurn,
                          target_traversed_in_reverse
                              ? phantom_node_pair.target_phantom.backward_travel_mode
                              : phantom_node_pair.target_phantom.forward_travel_mode});
@@ -392,7 +385,7 @@ template <class DataFacadeT, class Derived> class BasicRoutingInterface
             // looks like a trivially true check but tests for underflow
             BOOST_ASSERT(last_index > second_to_last_index);
 
-            if (unpacked_path[last_index].node == unpacked_path[second_to_last_index].node)
+            if (unpacked_path[last_index].turn_via_node == unpacked_path[second_to_last_index].turn_via_node)
             {
                 unpacked_path.pop_back();
             }
@@ -755,7 +748,7 @@ template <class DataFacadeT, class Derived> class BasicRoutingInterface
         double distance = 0;
         for (const auto &p : unpacked_path)
         {
-            current_coordinate = facade->GetCoordinateOfNode(p.node);
+            current_coordinate = facade->GetCoordinateOfNode(p.turn_via_node);
             distance += util::coordinate_calculation::haversineDistance(previous_coordinate,
                                                                         current_coordinate);
             previous_coordinate = current_coordinate;

include/engine/routing_algorithms/shortest_path.hpp

@@ -9,6 +9,7 @@
 #include "util/integer_range.hpp"
 
 #include <boost/assert.hpp>
+#include <boost/optional.hpp>
 
 namespace osrm
 {
@@ -236,11 +237,13 @@ class ShortestPathRouting final
         }
     }
 
+    static const constexpr bool UTURN_DEFAULT = false;
+
     void operator()(const std::vector<PhantomNodes> &phantom_nodes_vector,
-                    const std::vector<bool> &uturn_indicators,
+                    const std::vector<boost::optional<bool>> &uturn_indicators,
                     InternalRouteResult &raw_route_data) const
     {
-        BOOST_ASSERT(uturn_indicators.size() == phantom_nodes_vector.size() + 1);
+        BOOST_ASSERT(uturn_indicators.empty() || uturn_indicators.size() == phantom_nodes_vector.size() + 1);
         engine_working_data.InitializeOrClearFirstThreadLocalStorage(
             super::facade->GetNumberOfNodes());
         engine_working_data.InitializeOrClearSecondThreadLocalStorage(
@@ -266,6 +269,8 @@ class ShortestPathRouting final
         std::vector<NodeID> total_packed_path_to_reverse;
         std::vector<std::size_t> packed_leg_to_reverse_begin;
 
+        const bool use_uturn_indicators = !uturn_indicators.empty();
+
         std::size_t current_leg = 0;
         // this implements a dynamic program that finds the shortest route through
         // a list of vias
@@ -280,8 +285,8 @@ class ShortestPathRouting final
             const auto &source_phantom = phantom_node_pair.source_phantom;
             const auto &target_phantom = phantom_node_pair.target_phantom;
 
-            BOOST_ASSERT(current_leg + 1 < uturn_indicators.size());
-            const bool allow_u_turn_at_via = uturn_indicators[current_leg + 1];
+            const bool use_uturn_default = !use_uturn_indicators || !uturn_indicators[current_leg + 1];
+            const bool allow_u_turn_at_via = (use_uturn_default && UTURN_DEFAULT) || (!use_uturn_default && *uturn_indicators[current_leg + 1]);
 
             bool search_to_forward_node = target_phantom.forward_node_id != SPECIAL_NODEID;
             bool search_to_reverse_node = target_phantom.reverse_node_id != SPECIAL_NODEID;

include/engine/search_engine.hpp

@@ -1,47 +0,0 @@
-#ifndef SEARCH_ENGINE_HPP
-#define SEARCH_ENGINE_HPP
-
-#include "engine/search_engine_data.hpp"
-#include "engine/routing_algorithms/alternative_path.hpp"
-#include "engine/routing_algorithms/many_to_many.hpp"
-#include "engine/routing_algorithms/map_matching.hpp"
-#include "engine/routing_algorithms/shortest_path.hpp"
-#include "engine/routing_algorithms/direct_shortest_path.hpp"
-
-#include <type_traits>
-
-namespace osrm
-{
-namespace engine
-{
-
-template <class DataFacadeT> class SearchEngine
-{
-  private:
-    DataFacadeT *facade;
-    SearchEngineData engine_working_data;
-
-  public:
-    routing_algorithms::ShortestPathRouting<DataFacadeT> shortest_path;
-    routing_algorithms::DirectShortestPathRouting<DataFacadeT> direct_shortest_path;
-    routing_algorithms::AlternativeRouting<DataFacadeT> alternative_path;
-    routing_algorithms::ManyToManyRouting<DataFacadeT> distance_table;
-    routing_algorithms::MapMatching<DataFacadeT> map_matching;
-
-    explicit SearchEngine(DataFacadeT *facade)
-        : facade(facade), shortest_path(facade, engine_working_data),
-          direct_shortest_path(facade, engine_working_data),
-          alternative_path(facade, engine_working_data),
-          distance_table(facade, engine_working_data), map_matching(facade, engine_working_data)
-    {
-        static_assert(!std::is_pointer<DataFacadeT>::value, "don't instantiate with ptr type");
-        static_assert(std::is_object<DataFacadeT>::value,
-                      "don't instantiate with void, function, or reference");
-    }
-
-    ~SearchEngine() {}
-};
-}
-}
-
-#endif // SEARCH_ENGINE_HPP

include/engine/segment_information.hpp

@@ -1,60 +0,0 @@
-#ifndef SEGMENT_INFORMATION_HPP
-#define SEGMENT_INFORMATION_HPP
-
-#include "extractor/turn_instructions.hpp"
-#include "extractor/travel_mode.hpp"
-#include "util/typedefs.hpp"
-
-#include "osrm/coordinate.hpp"
-#include <utility>
-
-namespace osrm
-{
-namespace engine
-{
-
-// Struct fits everything in one cache line
-struct SegmentInformation
-{
-    util::FixedPointCoordinate location;
-    NodeID name_id;
-    EdgeWeight duration;
-    float length;
-    short pre_turn_bearing; // more than enough [0..3600] fits into 12 bits
-    short post_turn_bearing;
-    extractor::TurnInstruction turn_instruction;
-    extractor::TravelMode travel_mode;
-    bool necessary;
-    bool is_via_location;
-
-    explicit SegmentInformation(util::FixedPointCoordinate location,
-                                const NodeID name_id,
-                                const EdgeWeight duration,
-                                const float length,
-                                const extractor::TurnInstruction turn_instruction,
-                                const bool necessary,
-                                const bool is_via_location,
-                                const extractor::TravelMode travel_mode)
-        : location(std::move(location)), name_id(name_id), duration(duration), length(length),
-          pre_turn_bearing(0), post_turn_bearing(0), turn_instruction(turn_instruction),
-          travel_mode(travel_mode), necessary(necessary), is_via_location(is_via_location)
-    {
-    }
-
-    explicit SegmentInformation(util::FixedPointCoordinate location,
-                                const NodeID name_id,
-                                const EdgeWeight duration,
-                                const float length,
-                                const extractor::TurnInstruction turn_instruction,
-                                const extractor::TravelMode travel_mode)
-        : location(std::move(location)), name_id(name_id), duration(duration), length(length),
-          pre_turn_bearing(0), post_turn_bearing(0), turn_instruction(turn_instruction),
-          travel_mode(travel_mode),
-          necessary(turn_instruction != extractor::TurnInstruction::NoTurn), is_via_location(false)
-    {
-    }
-};
-}
-}
-
-#endif /* SEGMENT_INFORMATION_HPP */

include/engine/status.hpp

@@ -0,0 +1,18 @@
+#ifndef ENGINE_STATUS_HPP
+#define ENGINE_STATUS_HPP
+
+namespace osrm
+{
+namespace engine
+{
+
+enum class Status
+{
+    Ok,
+    Error
+};
+
+}
+}
+
+#endif

include/osrm/osrm.hpp

@@ -28,13 +28,12 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #ifndef OSRM_HPP
 #define OSRM_HPP
 
+#include "osrm/status.hpp"
+
 #include <memory>
 
 namespace osrm
 {
-
-struct LibOSRMConfig;
-
 namespace util
 {
 namespace json
@@ -47,11 +46,14 @@ namespace engine
 {
 class Engine;
 struct EngineConfig;
+namespace api
+{
 struct RouteParameters;
 }
+}
 
 using engine::EngineConfig;
-using engine::RouteParameters;
+using engine::api::RouteParameters;
 namespace json = util::json;
 
 class OSRM
@@ -61,8 +63,8 @@ class OSRM
 
   public:
     OSRM(EngineConfig &lib_config);
-    ~OSRM(); // needed because we need to define it with the implementation of OSRM_impl
-    int RunQuery(const RouteParameters &route_parameters, json::Object &json_result);
+    ~OSRM(); // needed for unique_ptr + impl abstraction
+    Status Route(const RouteParameters &route_parameters, json::Object &json_result);
 };
 
 }

include/osrm/route_parameters.hpp

@@ -1,11 +1,11 @@
 #ifndef GLOBAL_ROUTE_PARAMETERS_HPP
 #define GLOBAL_ROUTE_PARAMETERS_HPP
 
-#include "engine/route_parameters.hpp"
+#include "engine/api/route_parameters.hpp"
 
 namespace osrm
 {
-    using engine::RouteParameters;
+    using engine::api::RouteParameters;
 }
 
 #endif

include/osrm/status.hpp

@@ -0,0 +1,11 @@
+#ifndef OSRM_STATUS_HPP
+#define OSRM_STATUS_HPP
+
+#include "engine/status.hpp"
+
+namespace osrm
+{
+    using engine::Status;
+}
+
+#endif

include/server/api/base_parameters_grammar.hpp

@@ -0,0 +1,82 @@
+#ifndef SERVER_API_BASE_PARAMETERS_GRAMMAR_HPP
+#define SERVER_API_BASE_PARAMETERS_GRAMMAR_HPP
+
+#include "engine/api/base_parameters.hpp"
+
+#include "engine/polyline_compressor.hpp"
+#include "engine/hint.hpp"
+
+#include <boost/spirit/include/qi_lit.hpp>
+#include <boost/spirit/include/qi_char_.hpp>
+#include <boost/spirit/include/qi_int.hpp>
+#include <boost/spirit/include/qi_real.hpp>
+#include <boost/spirit/include/qi_grammar.hpp>
+#include <boost/spirit/include/qi_action.hpp>
+#include <boost/spirit/include/qi_optional.hpp>
+#include <boost/spirit/include/qi_attr_cast.hpp>
+#include <boost/spirit/include/qi_operator.hpp>
+#include <boost/spirit/include/qi_repeat.hpp>
+#include <boost/spirit/include/qi_as_string.hpp>
+
+#include <string>
+
+namespace osrm
+{
+namespace server
+{
+namespace api
+{
+
+namespace qi = boost::spirit::qi;
+struct BaseParametersGrammar : boost::spirit::qi::grammar<std::string::iterator>
+{
+    using Iterator = std::string::iterator;
+    using RadiusesT = std::vector<boost::optional<double>>;
+
+    BaseParametersGrammar(qi::rule<Iterator> &child_rule,
+                          engine::api::BaseParameters &parameters_)
+        : BaseParametersGrammar::base_type(child_rule), base_parameters(parameters_)
+    {
+        const auto add_bearing = [this](const boost::optional<boost::fusion::vector<short, short>> &bearing_range) {
+            boost::optional<engine::api::BaseParameters::Bearing> bearing;
+            if (bearing_range)
+            {
+                bearing = engine::api::BaseParameters::Bearing {boost::fusion::at_c<0>(*bearing_range), boost::fusion::at_c<1>(*bearing_range)};
+            }
+            base_parameters.bearings.push_back(std::move(bearing));
+        };
+        const auto set_radiuses = [this](RadiusesT& radiuses) {
+            base_parameters.radiuses = std::move(radiuses);
+        };
+        const auto add_hint = [this](const std::string& hint_string) {
+            if (hint_string.size() > 0)
+            {
+                base_parameters.hints.push_back(engine::Hint::FromBase64(hint_string));
+            }
+        };
+
+        alpha_numeral = +qi::char_("a-zA-Z0-9");
+        base64_char = qi::char_("a-zA-Z0-9--_");
+
+        radiuses_rule = qi::lit("radiuses=") >> -qi::double_ % ";";
+        hints_rule = qi::lit("hints=") >> qi::as_string[qi::repeat(engine::ENCODED_HINT_SIZE)[base64_char]][add_hint] % ";";
+        bearings_rule =
+            qi::lit("bearings=") >> -((qi::short_ >> ',' >> qi::short_))[add_bearing] % ";";
+        base_rule = bearings_rule | radiuses_rule[set_radiuses] | hints_rule;
+    }
+
+    qi::rule<Iterator> base_rule;
+
+private:
+    engine::api::BaseParameters &base_parameters;
+    qi::rule<Iterator> bearings_rule;
+    qi::rule<Iterator> hints_rule;
+    qi::rule<Iterator, RadiusesT()> radiuses_rule;
+    qi::rule<Iterator, unsigned char()> base64_char;
+    qi::rule<Iterator, std::string()> alpha_numeral;
+};
+}
+}
+}
+
+#endif

include/server/api/parsed_url.hpp

@@ -0,0 +1,29 @@
+#ifndef SERVER_API_PARSED_URL_HPP
+#define SERVER_API_PARSED_URL_HPP
+
+#include "util/coordinate.hpp"
+
+#include <string>
+#include <vector>
+
+namespace osrm
+{
+namespace server
+{
+namespace api
+{
+
+struct ParsedURL
+{
+    std::string service;
+    unsigned version;
+    std::string profile;
+    std::vector<util::FixedPointCoordinate> coordinates;
+    std::string options;
+};
+
+}
+}
+}
+
+#endif

include/server/api/route_parameters_grammar.hpp

@@ -0,0 +1,92 @@
+#ifndef ROUTE_PARAMETERS_GRAMMAR_HPP
+#define ROUTE_PARAMETERS_GRAMMAR_HPP
+
+#include "engine/api/route_parameters.hpp"
+
+#include "server/api/base_parameters_grammar.hpp"
+
+#include <boost/spirit/include/qi_lit.hpp>
+#include <boost/spirit/include/qi_bool.hpp>
+#include <boost/spirit/include/qi_grammar.hpp>
+#include <boost/spirit/include/qi_action.hpp>
+#include <boost/spirit/include/qi_optional.hpp>
+
+namespace osrm
+{
+namespace server
+{
+namespace api
+{
+
+namespace qi = boost::spirit::qi;
+struct RouteParametersGrammar : public BaseParametersGrammar
+{
+    using Iterator = std::string::iterator;
+    using StepsT = bool;
+    using AlternativeT = bool;
+    using GeometriesT = engine::api::RouteParameters::GeometriesType;
+    using OverviewT = engine::api::RouteParameters::OverviewType;
+    using UturnsT = std::vector<boost::optional<bool>>;
+
+    RouteParametersGrammar()
+        : BaseParametersGrammar(root_rule, route_parameters)
+    {
+        const auto set_geojson_type = [this]()
+        {
+            route_parameters.geometries = engine::api::RouteParameters::GeometriesType::GeoJSON;
+        };
+        const auto set_polyline_type = [this]()
+        {
+            route_parameters.geometries = engine::api::RouteParameters::GeometriesType::Polyline;
+        };
+
+        const auto set_simplified_type = [this]()
+        {
+            route_parameters.overview = engine::api::RouteParameters::OverviewType::Simplified;
+        };
+        const auto set_full_type = [this]()
+        {
+            route_parameters.overview = engine::api::RouteParameters::OverviewType::Full;
+        };
+        const auto set_false_type = [this]()
+        {
+            route_parameters.overview = engine::api::RouteParameters::OverviewType::False;
+        };
+        const auto set_steps = [this](const StepsT steps)
+        {
+            route_parameters.steps = steps;
+        };
+        const auto set_alternative = [this](const AlternativeT alternative)
+        {
+            route_parameters.alternative = alternative;
+        };
+        const auto set_uturns = [this](UturnsT &uturns)
+        {
+            route_parameters.uturns = std::move(uturns);
+        };
+
+        alternative_rule = qi::lit("alternative=") >> qi::bool_;
+        steps_rule = qi::lit("steps=") >> qi::bool_;
+        geometries_rule = qi::lit("geometries=geojson")[set_geojson_type] |
+                          qi::lit("geometries=polyline")[set_polyline_type];
+        overview_rule = qi::lit("overview=simplified")[set_simplified_type] |
+                        qi::lit("overview=full")[set_full_type] |
+                        qi::lit("overview=false")[set_false_type];
+        uturns_rule = qi::lit("uturns=") >> -qi::bool_ % ";";
+        route_rule = steps_rule[set_steps] | alternative_rule[set_alternative] | geometries_rule |
+                     overview_rule | uturns_rule[set_uturns];
+        root_rule = -((base_rule | route_rule) % '&');
+    }
+
+    engine::api::RouteParameters route_parameters;
+  private:
+    qi::rule<Iterator> root_rule, route_rule, geometries_rule, overview_rule;
+    qi::rule<Iterator, UturnsT()> uturns_rule;
+    qi::rule<Iterator, StepsT()> steps_rule;
+    qi::rule<Iterator, AlternativeT()> alternative_rule;
+};
+}
+}
+}
+
+#endif

include/server/api/route_parameters_parser.hpp

@@ -0,0 +1,28 @@
+#ifndef SERVER_API_ROUTE_PARAMETERS_PARSER_HPP
+#define SERVER_API_ROUTE_PARAMETERS_PARSER_HPP
+
+#include "engine/api/route_parameters.hpp"
+#include "server/api/route_parameters_parser.hpp"
+
+namespace osrm
+{
+namespace server
+{
+namespace api
+{
+
+// Starts parsing and iter and modifies it until iter == end or parsing failed
+boost::optional<engine::api::RouteParameters> parseRouteParameters(std::string::iterator& iter, std::string::iterator end);
+
+// copy on purpose because we need mutability
+inline boost::optional<engine::api::RouteParameters> parseRouteParameters(std::string options_string)
+{
+    auto iter = options_string.begin();
+    return parseRouteParameters(iter, options_string.end());
+}
+
+}
+}
+}
+
+#endif

include/server/api/url_parser.hpp

@@ -0,0 +1,30 @@
+#ifndef SERVER_URL_PARSER_HPP
+#define SERVER_URL_PARSER_HPP
+
+#include "server/api/parsed_url.hpp"
+
+#include <boost/optional.hpp>
+
+#include <string>
+
+namespace osrm
+{
+namespace server
+{
+namespace api
+{
+
+// Starts parsing and iter and modifies it until iter == end or parsing failed
+boost::optional<ParsedURL> parseURL(std::string::iterator& iter, std::string::iterator end);
+// copy on purpose because we need mutability
+inline boost::optional<ParsedURL> parseURL(std::string url_string)
+{
+    auto iter = url_string.begin();
+    return parseURL(iter, url_string.end());
+}
+
+}
+}
+}
+
+#endif

include/server/api_grammar.hpp

@@ -1,151 +0,0 @@
-#ifndef API_GRAMMAR_HPP
-#define API_GRAMMAR_HPP
-
-#include <boost/bind.hpp>
-#include <boost/spirit/include/qi.hpp>
-#include <boost/spirit/include/qi_action.hpp>
-
-namespace osrm
-{
-namespace server
-{
-
-namespace qi = boost::spirit::qi;
-
-template <typename Iterator, class HandlerT> struct APIGrammar : qi::grammar<Iterator>
-{
-    explicit APIGrammar(HandlerT *h) : APIGrammar::base_type(api_call), handler(h)
-    {
-        const auto set_x_wrapper = [this](const int x, bool &pass)
-        {
-            pass = handler->SetX(x);
-        };
-        const auto set_y_wrapper = [this](const int y, bool &pass)
-        {
-            pass = handler->SetY(y);
-        };
-        const auto set_z_wrapper = [this](const int z, bool &pass)
-        {
-            pass = handler->SetZ(z);
-        };
-        const auto add_bearing_wrapper = [this](
-            const boost::fusion::vector<int, boost::optional<int>> &received_bearing, bool &pass)
-        {
-            const int bearing = boost::fusion::at_c<0>(received_bearing);
-            const boost::optional<int> range = boost::fusion::at_c<1>(received_bearing);
-            pass = handler->AddBearing(bearing, range);
-        };
-        const auto add_coordinate_wrapper =
-            [this](const boost::fusion::vector<double, double> &received_coordinate)
-        {
-            handler->AddCoordinate(boost::fusion::at_c<0>(received_coordinate),
-                                   boost::fusion::at_c<1>(received_coordinate));
-        };
-        const auto add_source_wrapper =
-            [this](const boost::fusion::vector<double, double> &received_coordinate)
-        {
-            handler->AddSource(boost::fusion::at_c<0>(received_coordinate),
-                               boost::fusion::at_c<1>(received_coordinate));
-        };
-        const auto add_destination_wrapper =
-            [this](const boost::fusion::vector<double, double> &received_coordinate)
-        {
-            handler->AddDestination(boost::fusion::at_c<0>(received_coordinate),
-                                    boost::fusion::at_c<1>(received_coordinate));
-        };
-
-        api_call =
-            qi::lit('/') >> string[boost::bind(&HandlerT::SetService, handler, ::_1)] >> -query;
-        query = ('?') >> +(zoom | output | jsonp | checksum | uturns | location_with_options |
-                           destination_with_options | source_with_options | cmp | language |
-                           instruction | geometry | alt_route | old_API | num_results |
-                           matching_beta | gps_precision | classify | locs | x | y | z);
-        // all combinations of timestamp, uturn, hint and bearing without duplicates
-        t_u = (u >> -timestamp) | (timestamp >> -u);
-        t_h = (hint >> -timestamp) | (timestamp >> -hint);
-        u_h = (u >> -hint) | (hint >> -u);
-        t_u_h = (hint >> -t_u) | (u >> -t_h) | (timestamp >> -u_h);
-        location_options =
-            (bearing >> -t_u_h) | (t_u_h >> -bearing) |                                          //
-            (u >> bearing >> -t_h) | (timestamp >> bearing >> -u_h) | (hint >> bearing >> t_u) | //
-            (t_h >> bearing >> -u) | (u_h >> bearing >> -timestamp) | (t_u >> bearing >> -hint);
-        location_with_options = location >> -location_options;
-        source_with_options = source >> -location_options;
-        destination_with_options = destination >> -location_options;
-        zoom = (-qi::lit('&')) >> qi::lit('z') >> '=' >>
-               qi::short_[boost::bind(&HandlerT::SetZoomLevel, handler, ::_1)];
-        output = (-qi::lit('&')) >> qi::lit("output=json");
-        jsonp = (-qi::lit('&')) >> qi::lit("jsonp") >> '=' >>
-                stringwithPercent[boost::bind(&HandlerT::SetJSONpParameter, handler, ::_1)];
-        checksum = (-qi::lit('&')) >> qi::lit("checksum") >> '=' >>
-                   qi::uint_[boost::bind(&HandlerT::SetChecksum, handler, ::_1)];
-        instruction = (-qi::lit('&')) >> qi::lit("instructions") >> '=' >>
-                      qi::bool_[boost::bind(&HandlerT::SetInstructionFlag, handler, ::_1)];
-        geometry = (-qi::lit('&')) >> qi::lit("geometry") >> '=' >>
-                   qi::bool_[boost::bind(&HandlerT::SetGeometryFlag, handler, ::_1)];
-        cmp = (-qi::lit('&')) >> qi::lit("compression") >> '=' >>
-              qi::bool_[boost::bind(&HandlerT::SetCompressionFlag, handler, ::_1)];
-        location = (-qi::lit('&')) >> qi::lit("loc") >> '=' >>
-                   (qi::double_ >> qi::lit(',') >>
-                    qi::double_)[boost::bind<void>(add_coordinate_wrapper, ::_1)];
-        destination = (-qi::lit('&')) >> qi::lit("dst") >> '=' >>
-                      (qi::double_ >> qi::lit(',') >>
-                       qi::double_)[boost::bind<void>(add_destination_wrapper, ::_1)];
-        source = (-qi::lit('&')) >> qi::lit("src") >> '=' >>
-                 (qi::double_ >> qi::lit(',') >>
-                  qi::double_)[boost::bind<void>(add_source_wrapper, ::_1)];
-        hint = (-qi::lit('&')) >> qi::lit("hint") >> '=' >>
-               stringwithDot[boost::bind(&HandlerT::AddHint, handler, ::_1)];
-        timestamp = (-qi::lit('&')) >> qi::lit("t") >> '=' >>
-                    qi::uint_[boost::bind(&HandlerT::AddTimestamp, handler, ::_1)];
-        bearing = (-qi::lit('&')) >> qi::lit("b") >> '=' >>
-                  (qi::int_ >> -(qi::lit(',') >> qi::int_ |
-                                 qi::attr(10)))[boost::bind<void>(add_bearing_wrapper, ::_1, ::_3)];
-        u = (-qi::lit('&')) >> qi::lit("u") >> '=' >>
-            qi::bool_[boost::bind(&HandlerT::SetUTurn, handler, ::_1)];
-        uturns = (-qi::lit('&')) >> qi::lit("uturns") >> '=' >>
-                 qi::bool_[boost::bind(&HandlerT::SetAllUTurns, handler, ::_1)];
-        language = (-qi::lit('&')) >> qi::lit("hl") >> '=' >>
-                   string[boost::bind(&HandlerT::SetLanguage, handler, ::_1)];
-        alt_route = (-qi::lit('&')) >> qi::lit("alt") >> '=' >>
-                    qi::bool_[boost::bind(&HandlerT::SetAlternateRouteFlag, handler, ::_1)];
-        old_API = (-qi::lit('&')) >> qi::lit("geomformat") >> '=' >>
-                  string[boost::bind(&HandlerT::SetDeprecatedAPIFlag, handler, ::_1)];
-        num_results = (-qi::lit('&')) >> qi::lit("num_results") >> '=' >>
-                      qi::short_[boost::bind(&HandlerT::SetNumberOfResults, handler, ::_1)];
-        matching_beta = (-qi::lit('&')) >> qi::lit("matching_beta") >> '=' >>
-                        qi::float_[boost::bind(&HandlerT::SetMatchingBeta, handler, ::_1)];
-        gps_precision = (-qi::lit('&')) >> qi::lit("gps_precision") >> '=' >>
-                        qi::float_[boost::bind(&HandlerT::SetGPSPrecision, handler, ::_1)];
-        classify = (-qi::lit('&')) >> qi::lit("classify") >> '=' >>
-                   qi::bool_[boost::bind(&HandlerT::SetClassify, handler, ::_1)];
-        locs = (-qi::lit('&')) >> qi::lit("locs") >> '=' >>
-               stringforPolyline[boost::bind(&HandlerT::SetCoordinatesFromGeometry, handler, ::_1)];
-
-        x = (-qi::lit('&')) >> qi::lit("tx") >> '=' >>
-            qi::int_[boost::bind<void>(set_x_wrapper, ::_1, ::_3)];
-        y = (-qi::lit('&')) >> qi::lit("ty") >> '=' >>
-            qi::int_[boost::bind<void>(set_y_wrapper, ::_1, ::_3)];
-        z = (-qi::lit('&')) >> qi::lit("tz") >> '=' >>
-            qi::int_[boost::bind<void>(set_z_wrapper, ::_1, ::_3)];
-
-        string = +(qi::char_("a-zA-Z"));
-        stringwithDot = +(qi::char_("a-zA-Z0-9_.-"));
-        stringwithPercent = +(qi::char_("a-zA-Z0-9_.-") | qi::char_('[') | qi::char_(']') |
-                              (qi::char_('%') >> qi::char_("0-9A-Z") >> qi::char_("0-9A-Z")));
-        stringforPolyline = +(qi::char_("a-zA-Z0-9_.-[]{}@?|\\%~`^"));
-    }
-
-    qi::rule<Iterator> api_call, query, location_options, location_with_options,
-        destination_with_options, source_with_options, t_u, t_h, u_h, t_u_h;
-    qi::rule<Iterator, std::string()> service, zoom, output, string, jsonp, checksum, location,
-        destination, source, hint, timestamp, bearing, stringwithDot, stringwithPercent, language,
-        geometry, cmp, alt_route, u, uturns, old_API, num_results, matching_beta, gps_precision,
-        classify, locs, instruction, stringforPolyline, x, y, z;
-
-    HandlerT *handler;
-};
-}
-}
-
-#endif /* API_GRAMMAR_HPP */

include/server/request_handler.hpp

@@ -1,18 +1,14 @@
 #ifndef REQUEST_HANDLER_HPP
 #define REQUEST_HANDLER_HPP
 
+#include "server/service_handler.hpp"
+
 #include <string>
 
 namespace osrm
 {
-class OSRM;
-namespace engine
-{
-struct RouteParameters;
-}
 namespace server
 {
-template <typename Iterator, class HandlerT> struct APIGrammar;
 
 namespace http
 {
@@ -24,17 +20,16 @@ class RequestHandler
 {
 
   public:
-    using APIGrammarParser = APIGrammar<std::string::iterator, engine::RouteParameters>;
-
     RequestHandler();
     RequestHandler(const RequestHandler &) = delete;
     RequestHandler &operator=(const RequestHandler &) = delete;
 
-    void handle_request(const http::request &current_request, http::reply &current_reply);
-    void RegisterRoutingMachine(OSRM *osrm);
+    void RegisterServiceHandler(std::unique_ptr<ServiceHandler> service_handler);
+
+    void HandleRequest(const http::request &current_request, http::reply &current_reply);
 
   private:
-    OSRM *routing_machine;
+    std::unique_ptr<ServiceHandler> service_handler;
 };
 }
 }

include/server/server.hpp

@@ -3,6 +3,7 @@
 
 #include "server/connection.hpp"
 #include "server/request_handler.hpp"
+#include "server/service_handler.hpp"
 
 #include "util/integer_range.hpp"
 #include "util/simple_logger.hpp"
@@ -76,7 +77,10 @@ class Server
 
     void Stop() { io_service.stop(); }
 
-    RequestHandler &GetRequestHandlerPtr() { return request_handler; }
+    void RegisterServiceHandler(std::unique_ptr<ServiceHandler> service_handler_)
+    {
+        request_handler.RegisterServiceHandler(std::move(service_handler_));
+    }
 
   private:
     void HandleAccept(const boost::system::error_code &e)

include/server/service/base_service.hpp

@@ -0,0 +1,36 @@
+#ifndef SERVER_SERVICE_BASE_SERVICE_HPP
+#define SERVER_SERVICE_BASE_SERVICE_HPP
+
+#include "engine/status.hpp"
+#include "util/coordinate.hpp"
+#include "osrm/osrm.hpp"
+
+#include <string>
+#include <vector>
+
+namespace osrm
+{
+namespace server
+{
+namespace service
+{
+
+class BaseService
+{
+  public:
+    BaseService(OSRM &routing_machine) : routing_machine(routing_machine) {}
+    virtual ~BaseService() = default;
+
+    virtual engine::Status RunQuery(std::vector<util::FixedPointCoordinate> coordinates,
+                                    std::string &options,
+                                    util::json::Object &json_result) = 0;
+    virtual unsigned GetVersion() = 0;
+
+  protected:
+    OSRM &routing_machine;
+};
+}
+}
+}
+
+#endif

include/server/service/route_service.hpp

@@ -0,0 +1,34 @@
+#ifndef SERVER_SERVICE_ROUTE_SERVICE_HPP
+#define SERVER_SERVICE_ROUTE_SERVICE_HPP
+
+#include "server/service/base_service.hpp"
+
+#include "engine/status.hpp"
+#include "util/coordinate.hpp"
+#include "osrm/osrm.hpp"
+
+#include <string>
+#include <vector>
+
+namespace osrm
+{
+namespace server
+{
+namespace service
+{
+
+class RouteService final : public BaseService
+{
+  public:
+    RouteService(OSRM& routing_machine) : BaseService(routing_machine) {}
+
+    virtual engine::Status RunQuery(std::vector<util::FixedPointCoordinate> coordinates,
+                                    std::string &options,
+                                    util::json::Object &json_result) final override;
+    virtual unsigned GetVersion() final override { return 1; }
+};
+}
+}
+}
+
+#endif

include/server/service_handler.hpp

@@ -0,0 +1,40 @@
+#ifndef SERVER_SERVICE_HANLDER_HPP
+#define SERVER_SERVICE_HANLDER_HPP
+
+#include "server/service/base_service.hpp"
+
+#include "osrm/osrm.hpp"
+
+#include <unordered_map>
+
+namespace osrm
+{
+namespace util
+{
+namespace json
+{
+struct Object;
+}
+}
+namespace server
+{
+namespace api
+{
+struct ParsedURL;
+}
+
+class ServiceHandler
+{
+  public:
+    ServiceHandler(osrm::EngineConfig &config);
+
+    engine::Status RunQuery(api::ParsedURL parsed_url, util::json::Object &json_result);
+
+  private:
+    std::unordered_map<std::string, std::unique_ptr<service::BaseService>> service_map;
+    OSRM routing_machine;
+};
+}
+}
+
+#endif

include/util/coordinate.hpp

@@ -35,7 +35,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 namespace osrm
 {
 
-constexpr const double COORDINATE_PRECISION = 1000000.0;
+constexpr const double COORDINATE_PRECISION = 1e6;
 
 namespace util
 {
@@ -52,6 +52,7 @@ struct FixedPointCoordinate
     FixedPointCoordinate(const T &coordinate)
         : lat(coordinate.lat), lon(coordinate.lon)
     {
+        static_assert(!std::is_same<T, FixedPointCoordinate>::value, "This constructor should not be used for FixedPointCoordinates");
         static_assert(std::is_same<decltype(lat), decltype(coordinate.lat)>::value,
                       "coordinate types incompatible");
         static_assert(std::is_same<decltype(lon), decltype(coordinate.lon)>::value,
@@ -59,11 +60,13 @@ struct FixedPointCoordinate
     }
 
     bool IsValid() const;
-    bool operator==(const FixedPointCoordinate &other) const;
-    friend std::ostream &operator<<(std::ostream &out, const FixedPointCoordinate &coordinate);
+    friend bool operator==(const FixedPointCoordinate lhs, const FixedPointCoordinate rhs);
+    friend bool operator!=(const FixedPointCoordinate lhs, const FixedPointCoordinate rhs);
+    friend std::ostream &operator<<(std::ostream &out, const FixedPointCoordinate coordinate);
 };
 
-std::ostream &operator<<(std::ostream &out, const FixedPointCoordinate &coordinate);
+bool operator==(const FixedPointCoordinate lhs, const FixedPointCoordinate rhs);
+std::ostream &operator<<(std::ostream &out, const FixedPointCoordinate coordinate);
 }
 
 }

include/util/json_util.hpp

@@ -59,7 +59,7 @@ template <> Array make_array(const std::vector<bool> &vector)
 }
 
 // Easy acces to object hierachies
-Value &get(Value &value) { return value; }
+inline Value &get(Value &value) { return value; }
 
 template <typename... Keys> Value &get(Value &value, const char *key, Keys... keys)
 {

include/util/tiles.hpp

@@ -0,0 +1,85 @@
+#ifndef UTIL_TILES_HPP
+#define UTIL_TILES_HPP
+
+#include <boost/assert.hpp>
+
+#include <cmath>
+#include <tuple>
+
+// This is a port of the tilebelt algorithm https://github.com/mapbox/tilebelt
+namespace osrm
+{
+namespace util
+{
+namespace tiles
+{
+struct Tile
+{
+    unsigned x;
+    unsigned y;
+    unsigned z;
+};
+
+namespace detail
+{
+// optimized for 32bit integers
+static constexpr unsigned MAX_ZOOM = 32;
+
+// Returns 1-indexed 1..32 of MSB if value > 0 or 0 if value == 0
+inline unsigned getMSBPosition(std::uint32_t value)
+{
+    if (value == 0)
+        return 0;
+    std::uint8_t pos = 1;
+    while (value >>= 1)
+        pos++;
+    return pos;
+}
+
+inline unsigned getBBMaxZoom(const Tile top_left, const Tile bottom_left)
+{
+    auto x_xor = top_left.x ^ bottom_left.x;
+    auto y_xor = top_left.y ^ bottom_left.y;
+    auto lon_msb = detail::getMSBPosition(x_xor);
+    auto lat_msb = detail::getMSBPosition(y_xor);
+    return MAX_ZOOM - std::max(lon_msb, lat_msb);
+}
+}
+
+inline Tile pointToTile(const double lon, const double lat)
+{
+    auto sin_lat = std::sin(lat * M_PI / 180.);
+    auto p2z = std::pow(2, detail::MAX_ZOOM);
+    unsigned x = p2z * (lon / 360. + 0.5);
+    unsigned y = p2z * (0.5 - 0.25 * std::log((1 + sin_lat) / (1 - sin_lat)) / M_PI);
+
+    return Tile{x, y, detail::MAX_ZOOM};
+}
+
+inline Tile getBBMaxZoomTile(const double min_lon,
+                             const double min_lat,
+                             const double max_lon,
+                             const double max_lat)
+{
+    const auto top_left = pointToTile(min_lon, min_lat);
+    const auto bottom_left = pointToTile(max_lon, max_lat);
+    BOOST_ASSERT(top_left.z == detail::MAX_ZOOM);
+    BOOST_ASSERT(bottom_left.z == detail::MAX_ZOOM);
+
+    const auto max_zoom = detail::getBBMaxZoom(top_left, bottom_left);
+
+    if (max_zoom == 0)
+    {
+        return Tile{0, 0, 0};
+    }
+
+    auto x = top_left.x >> (detail::MAX_ZOOM - max_zoom);
+    auto y = top_left.y >> (detail::MAX_ZOOM - max_zoom);
+
+    return Tile{x, y, max_zoom};
+}
+}
+}
+}
+
+#endif

src/engine/api/josn_factory.cpp

@@ -0,0 +1,222 @@
+#include "engine/api/json_factory.hpp"
+
+#include "engine/guidance/route_step.hpp"
+#include "engine/guidance/step_maneuver.hpp"
+#include "engine/guidance/route_leg.hpp"
+#include "engine/guidance/route.hpp"
+#include "engine/guidance/leg_geometry.hpp"
+#include "engine/polyline_compressor.hpp"
+#include "engine/hint.hpp"
+
+#include <boost/assert.hpp>
+#include <boost/range/irange.hpp>
+
+#include <string>
+#include <utility>
+#include <algorithm>
+#include <vector>
+
+namespace osrm
+{
+namespace engine
+{
+namespace api
+{
+namespace json
+{
+namespace detail
+{
+
+std::string instructionToString(extractor::TurnInstruction instruction)
+{
+    std::string token;
+    // FIXME this could be an array.
+    switch (instruction)
+    {
+    case extractor::TurnInstruction::GoStraight:
+        token = "continue";
+        break;
+    case extractor::TurnInstruction::TurnSlightRight:
+        token = "bear right";
+        break;
+    case extractor::TurnInstruction::TurnRight:
+        token = "right";
+        break;
+    case extractor::TurnInstruction::TurnSharpRight:
+        token = "sharp right";
+        break;
+    case extractor::TurnInstruction::UTurn:
+        token = "uturn";
+        break;
+    case extractor::TurnInstruction::TurnSharpLeft:
+        token = "sharp left";
+        break;
+    case extractor::TurnInstruction::TurnLeft:
+        token = "left";
+        break;
+    case extractor::TurnInstruction::TurnSlightLeft:
+        token = "bear left";
+        break;
+    case extractor::TurnInstruction::HeadOn:
+        token = "head on";
+        break;
+    case extractor::TurnInstruction::EnterRoundAbout:
+        token = "enter roundabout";
+        break;
+    case extractor::TurnInstruction::LeaveRoundAbout:
+        token = "leave roundabout";
+        break;
+    case extractor::TurnInstruction::StayOnRoundAbout:
+        token = "stay on roundabout";
+        break;
+    case extractor::TurnInstruction::StartAtEndOfStreet:
+        token = "depart";
+        break;
+    case extractor::TurnInstruction::ReachedYourDestination:
+        token = "arrive";
+        break;
+    case extractor::TurnInstruction::NameChanges:
+        token = "name changed";
+        break;
+
+    case extractor::TurnInstruction::NoTurn:
+    case extractor::TurnInstruction::ReachViaLocation:
+    case extractor::TurnInstruction::EnterAgainstAllowedDirection:
+    case extractor::TurnInstruction::LeaveAgainstAllowedDirection:
+    case extractor::TurnInstruction::InverseAccessRestrictionFlag:
+    case extractor::TurnInstruction::AccessRestrictionFlag:
+    case extractor::TurnInstruction::AccessRestrictionPenalty:
+        BOOST_ASSERT_MSG(false, "Invalid turn type used");
+        break;
+    }
+
+    return token;
+}
+
+util::json::Array coordinateToLonLat(const FixedPointCoordinate &coordinate)
+{
+    util::json::Array array;
+    array.values.push_back(coordinate.lon / COORDINATE_PRECISION);
+    array.values.push_back(coordinate.lat / COORDINATE_PRECISION);
+    return array;
+}
+
+util::json::Array coordinateToLatLon(const FixedPointCoordinate &coordinate)
+{
+    util::json::Array array;
+    array.values.push_back(coordinate.lat / COORDINATE_PRECISION);
+    array.values.push_back(coordinate.lon / COORDINATE_PRECISION);
+    return array;
+}
+
+// FIXME this actually needs to be configurable from the profiles
+std::string modeToString(const extractor::TravelMode mode)
+{
+    std::string token;
+    switch (mode)
+    {
+    case TRAVEL_MODE_DEFAULT:
+        token = "default";
+        break;
+    case TRAVEL_MODE_INACCESSIBLE:
+        token = "inaccessible";
+        break;
+    default:
+        token = "other";
+        break;
+    }
+    return token;
+}
+
+} // namespace detail
+
+util::json::Object makeStepManeuver(const guidance::StepManeuver &maneuver)
+{
+    util::json::Object step_maneuver;
+    step_maneuver.values["type"] = detail::instructionToString(maneuver.instruction);
+    step_maneuver.values["location"] = detail::coordinateToLatLon(maneuver.location);
+    step_maneuver.values["heading_before"] = maneuver.heading_before;
+    step_maneuver.values["heading_after"] = maneuver.heading_after;
+    return step_maneuver;
+}
+
+util::json::Object makeRouteStep(guidance::RouteStep &&step,
+                                 boost::optional<util::json::Value> geometry)
+{
+    util::json::Object route_step;
+    route_step.values["distance"] = step.distance;
+    route_step.values["duration"] = step.duration;
+    route_step.values["way_name"] = std::move(step.way_name);
+    route_step.values["mode"] = detail::modeToString(step.mode);
+    route_step.values["maneuver"] = makeStepManeuver(step.maneuver);
+    if (geometry)
+    {
+        route_step.values["geometry"] = std::move(*geometry);
+    }
+    return route_step;
+}
+
+util::json::Object makeRoute(const guidance::Route &route,
+                             util::json::Array &&legs,
+                             boost::optional<util::json::Value> geometry)
+{
+    util::json::Object json_route;
+    json_route.values["distance"] = route.distance;
+    json_route.values["duration"] = route.duration;
+    json_route.values["legs"] = std::move(legs);
+    if (geometry)
+    {
+        json_route.values["geometry"] = std::move(*geometry);
+    }
+    return json_route;
+}
+
+util::json::Object
+makeWaypoint(const FixedPointCoordinate location, std::string &&way_name, const Hint &hint)
+{
+    util::json::Object waypoint;
+    waypoint.values["location"] = detail::coordinateToLatLon(location);
+    waypoint.values["way_name"] = std::move(way_name);
+    waypoint.values["hint"] = hint.ToBase64();
+    return waypoint;
+}
+
+util::json::Object makeRouteLeg(guidance::RouteLeg &&leg, util::json::Array &&steps)
+{
+    util::json::Object route_leg;
+    route_leg.values["distance"] = leg.distance;
+    route_leg.values["duration"] = leg.duration;
+    route_leg.values["summary"] = std::move(leg.summary);
+    route_leg.values["steps"] = std::move(steps);
+    return route_leg;
+}
+
+util::json::Array makeRouteLegs(std::vector<guidance::RouteLeg> &&legs,
+                                const std::vector<guidance::LegGeometry> &leg_geometries)
+{
+    util::json::Array json_legs;
+    for (const auto idx : boost::irange(0UL, legs.size()))
+    {
+        auto &&leg = std::move(legs[idx]);
+        const auto &leg_geometry = leg_geometries[idx];
+        util::json::Array json_steps;
+        json_steps.values.reserve(leg.steps.size());
+        const auto begin_iter = leg_geometry.locations.begin();
+        std::transform(
+            std::make_move_iterator(leg.steps.begin()), std::make_move_iterator(leg.steps.end()),
+            std::back_inserter(json_steps.values), [&begin_iter](guidance::RouteStep &&step)
+            {
+                // FIXME we only support polyline here
+                auto geometry = boost::make_optional<util::json::Value>(
+                    makePolyline(begin_iter + step.geometry_begin, begin_iter + step.geometry_end));
+                return makeRouteStep(std::move(step), std::move(geometry));
+            });
+        json_legs.values.push_back(makeRouteLeg(std::move(leg), std::move(json_steps)));
+    }
+
+    return json_legs;
+}
+}
+}
+} // namespace engine
+} // namespace osrm

src/engine/douglas_peucker.cpp

@@ -1,8 +1,9 @@
 #include "engine/douglas_peucker.hpp"
 #include "util/coordinate_calculation.hpp"
+#include "util/coordinate.hpp"
 
 #include <boost/assert.hpp>
-#include "osrm/coordinate.hpp"
+#include <boost/range/irange.hpp>
 
 #include <cmath>
 #include <algorithm>
@@ -17,8 +18,12 @@ namespace engine
 
 namespace
 {
+// FIXME This algorithm is a very naive approximation that leads to
+// problems like (almost) co-linear points not being simplified.
+// Switch to real-point-segment distance of projected coordinates
 struct CoordinatePairCalculator
 {
+    CoordinatePairCalculator() = delete;
     CoordinatePairCalculator(const util::FixedPointCoordinate coordinate_a,
                              const util::FixedPointCoordinate coordinate_b)
     {
@@ -56,44 +61,29 @@ struct CoordinatePairCalculator
 };
 }
 
-void douglasPeucker(std::vector<SegmentInformation>::iterator begin,
-                    std::vector<SegmentInformation>::iterator end,
+std::vector<util::FixedPointCoordinate>
+douglasPeucker(std::vector<util::FixedPointCoordinate>::const_iterator begin,
+               std::vector<util::FixedPointCoordinate>::const_iterator end,
                     const unsigned zoom_level)
 {
-    using Iter = decltype(begin);
-    using GeometryRange = std::pair<Iter, Iter>;
-
-    std::stack<GeometryRange> recursion_stack;
+    BOOST_ASSERT_MSG(zoom_level < detail::DOUGLAS_PEUCKER_THRESHOLDS_SIZE,
+            "unsupported zoom level");
 
     const auto size = std::distance(begin, end);
     if (size < 2)
     {
-        return;
+        return {};
     }
 
-    begin->necessary = true;
-    std::prev(end)->necessary = true;
+    std::vector<bool> is_necessary(size, false);
+    BOOST_ASSERT(is_necessary.size() >= 2);
+    is_necessary.front() = true;
+    is_necessary.back() = true;
+    using GeometryRange = std::pair<std::size_t, std::size_t>;
 
-    {
-        BOOST_ASSERT_MSG(zoom_level < detail::DOUGLAS_PEUCKER_THRESHOLDS_SIZE,
-                         "unsupported zoom level");
-        auto left_border = begin;
-        auto right_border = std::next(begin);
-        // Sweep over array and identify those ranges that need to be checked
-        do
-        {
-            // traverse list until new border element found
-            if (right_border->necessary)
-            {
-                // sanity checks
-                BOOST_ASSERT(left_border->necessary);
-                BOOST_ASSERT(right_border->necessary);
-                recursion_stack.emplace(left_border, right_border);
-                left_border = right_border;
-            }
-            ++right_border;
-        } while (right_border != end);
-    }
+    std::stack<GeometryRange> recursion_stack;
+
+    recursion_stack.emplace(0UL, size-1);
 
     // mark locations as 'necessary' by divide-and-conquer
     while (!recursion_stack.empty())
@@ -102,25 +92,24 @@ void douglasPeucker(std::vector<SegmentInformation>::iterator begin,
         const GeometryRange pair = recursion_stack.top();
         recursion_stack.pop();
         // sanity checks
-        BOOST_ASSERT_MSG(pair.first->necessary, "left border must be necessary");
-        BOOST_ASSERT_MSG(pair.second->necessary, "right border must be necessary");
-        BOOST_ASSERT_MSG(std::distance(pair.second, end) > 0, "right border outside of geometry");
-        BOOST_ASSERT_MSG(std::distance(pair.first, pair.second) >= 0,
-                         "left border on the wrong side");
+        BOOST_ASSERT_MSG(is_necessary[pair.first], "left border must be necessary");
+        BOOST_ASSERT_MSG(is_necessary[pair.second], "right border must be necessary");
+        BOOST_ASSERT_MSG(pair.second < size, "right border outside of geometry");
+        BOOST_ASSERT_MSG(pair.first <= pair.second, "left border on the wrong side");
 
         int max_int_distance = 0;
-        auto farthest_entry_it = pair.second;
-        const CoordinatePairCalculator dist_calc(pair.first->location, pair.second->location);
+        auto farthest_entry_index = pair.second;
+        const CoordinatePairCalculator dist_calc(begin[pair.first], begin[pair.second]);
 
         // sweep over range to find the maximum
-        for (auto it = std::next(pair.first); it != pair.second; ++it)
+        for (auto idx = pair.first + 1; idx != pair.second; ++idx)
         {
-            const int distance = dist_calc(it->location);
+            const int distance = dist_calc(begin[idx]);
             // found new feasible maximum?
             if (distance > max_int_distance &&
                 distance > detail::DOUGLAS_PEUCKER_THRESHOLDS[zoom_level])
             {
-                farthest_entry_it = it;
+                farthest_entry_index = idx;
                 max_int_distance = distance;
             }
         }
@@ -129,17 +118,29 @@ void douglasPeucker(std::vector<SegmentInformation>::iterator begin,
         if (max_int_distance > detail::DOUGLAS_PEUCKER_THRESHOLDS[zoom_level])
         {
             //  mark idx as necessary
-            farthest_entry_it->necessary = true;
-            if (1 < std::distance(pair.first, farthest_entry_it))
+            is_necessary[farthest_entry_index] = true;
+            if (pair.first < farthest_entry_index)
             {
-                recursion_stack.emplace(pair.first, farthest_entry_it);
+                recursion_stack.emplace(pair.first, farthest_entry_index);
             }
-            if (1 < std::distance(farthest_entry_it, pair.second))
+            if (farthest_entry_index < pair.second)
             {
-                recursion_stack.emplace(farthest_entry_it, pair.second);
+                recursion_stack.emplace(farthest_entry_index, pair.second);
             }
         }
     }
+
+    auto simplified_size = std::count(is_necessary.begin(), is_necessary.end(), true);
+    std::vector<util::FixedPointCoordinate> simplified_geometry;
+    simplified_geometry.reserve(simplified_size);
+    for (auto idx : boost::irange<std::size_t>(0UL, size))
+    {
+        if (is_necessary[idx])
+        {
+            simplified_geometry.push_back(begin[idx]);
+        }
+    }
+    return simplified_geometry;
 }
 } // ns engine
 } // ns osrm

src/engine/engine.cpp

@@ -1,15 +1,16 @@
 #include "engine/engine.hpp"
 #include "engine/engine_config.hpp"
-#include "engine/route_parameters.hpp"
+#include "engine/api/route_parameters.hpp"
+#include "engine/status.hpp"
 
-#include "engine/plugins/distance_table.hpp"
-#include "engine/plugins/hello_world.hpp"
-#include "engine/plugins/nearest.hpp"
-#include "engine/plugins/timestamp.hpp"
-#include "engine/plugins/trip.hpp"
+//#include "engine/plugins/distance_table.hpp"
+//#include "engine/plugins/hello_world.hpp"
+//#include "engine/plugins/nearest.hpp"
+//#include "engine/plugins/timestamp.hpp"
+//#include "engine/plugins/trip.hpp"
 #include "engine/plugins/viaroute.hpp"
-#include "engine/plugins/match.hpp"
-#include "engine/plugins/tile.hpp"
+//#include "engine/plugins/match.hpp"
+//#include "engine/plugins/tile.hpp"
 
 #include "engine/datafacade/datafacade_base.hpp"
 #include "engine/datafacade/internal_datafacade.hpp"
@@ -35,120 +36,93 @@ namespace osrm
 namespace engine
 {
 
+// Abstracted away the query locking into a template function
+// Works the same for every plugin.
+template<typename ParameterT, typename PluginT>
+Status RunQuery(const std::unique_ptr<Engine::EngineLock> &lock,
+                datafacade::BaseDataFacade &facade,
+                const ParameterT &parameters,
+                PluginT &plugin,
+                util::json::Object &json_result)
+{
+    if (!lock)
+    {
+        return plugin.HandleRequest(parameters, json_result);
+    }
+
+    BOOST_ASSERT(lock);
+    lock->IncreaseQueryCount();
+
+    auto& shared_facade = static_cast<datafacade::SharedDataFacade &>(facade);
+    shared_facade.CheckAndReloadFacade();
+    // Get a shared data lock so that other threads won't update
+    // things while the query is running
+    boost::shared_lock<boost::shared_mutex> data_lock{shared_facade.data_mutex};
+
+    Status status = plugin.HandleRequest(parameters, json_result);
+
+    lock->DecreaseQueryCount();
+    return status;
+}
+
+
 Engine::Engine(EngineConfig &config)
 {
     if (config.use_shared_memory)
     {
-        barrier = util::make_unique<storage::SharedBarriers>();
-        query_data_facade = new datafacade::SharedDataFacade<contractor::QueryEdge::EdgeData>();
+        lock = util::make_unique<EngineLock>();
+        query_data_facade = util::make_unique<datafacade::SharedDataFacade>();
     }
     else
     {
         // populate base path
         util::populate_base_path(config.server_paths);
-        query_data_facade = new datafacade::InternalDataFacade<contractor::QueryEdge::EdgeData>(
-            config.server_paths);
+        query_data_facade = util::make_unique<datafacade::InternalDataFacade>(config.server_paths);
     }
 
-    using DataFacade = datafacade::BaseDataFacade<contractor::QueryEdge::EdgeData>;
-
-    // The following plugins handle all requests.
-    RegisterPlugin(new plugins::DistanceTablePlugin<DataFacade>(
-        query_data_facade, config.max_locations_distance_table));
-    RegisterPlugin(new plugins::HelloWorldPlugin());
-    RegisterPlugin(new plugins::NearestPlugin<DataFacade>(query_data_facade));
-    RegisterPlugin(new plugins::MapMatchingPlugin<DataFacade>(query_data_facade,
-                                                              config.max_locations_map_matching));
-    RegisterPlugin(new plugins::TimestampPlugin<DataFacade>(query_data_facade));
-    RegisterPlugin(
-        new plugins::ViaRoutePlugin<DataFacade>(query_data_facade, config.max_locations_viaroute));
-    RegisterPlugin(
-        new plugins::RoundTripPlugin<DataFacade>(query_data_facade, config.max_locations_trip));
-    RegisterPlugin(new plugins::TilePlugin<DataFacade>(query_data_facade));
+    route_plugin = util::make_unique<plugins::ViaRoutePlugin>(*query_data_facade, config.max_locations_viaroute);
 }
 
-void Engine::RegisterPlugin(plugins::BasePlugin *raw_plugin_ptr)
+Status Engine::Route(const api::RouteParameters &route_parameters,
+                   util::json::Object &result)
 {
-    std::unique_ptr<plugins::BasePlugin> plugin_ptr(raw_plugin_ptr);
-    util::SimpleLogger().Write() << "loaded plugin: " << plugin_ptr->GetDescriptor();
-    plugin_map[plugin_ptr->GetDescriptor()] = std::move(plugin_ptr);
-}
-
-int Engine::RunQuery(const RouteParameters &route_parameters, util::json::Object &json_result)
-{
-    const auto &plugin_iterator = plugin_map.find(route_parameters.service);
-
-    if (plugin_map.end() == plugin_iterator)
-    {
-        json_result.values["status_message"] = "Service not found";
-        return 400;
-    }
-
-    osrm::engine::plugins::BasePlugin::Status return_code;
-    increase_concurrent_query_count();
-    if (barrier)
-    {
-        // Get a shared data lock so that other threads won't update
-        // things while the query is running
-        boost::shared_lock<boost::shared_mutex> data_lock{
-            (static_cast<datafacade::SharedDataFacade<contractor::QueryEdge::EdgeData> *>(
-                 query_data_facade))->data_mutex};
-        return_code = plugin_iterator->second->HandleRequest(route_parameters, json_result);
-    }
-    else
-    {
-        return_code = plugin_iterator->second->HandleRequest(route_parameters, json_result);
-    }
-    decrease_concurrent_query_count();
-    return static_cast<int>(return_code);
+    return RunQuery(lock, *query_data_facade, route_parameters, *route_plugin, result);
 }
 
 // decrease number of concurrent queries
-void Engine::decrease_concurrent_query_count()
+void Engine::EngineLock::DecreaseQueryCount()
 {
-    if (!barrier)
-    {
-        return;
-    }
     // lock query
     boost::interprocess::scoped_lock<boost::interprocess::named_mutex> query_lock(
-        barrier->query_mutex);
+        barrier.query_mutex);
 
     // decrement query count
-    --(barrier->number_of_queries);
-    BOOST_ASSERT_MSG(0 <= barrier->number_of_queries, "invalid number of queries");
+    --(barrier.number_of_queries);
+    BOOST_ASSERT_MSG(0 <= barrier.number_of_queries, "invalid number of queries");
 
     // notify all processes that were waiting for this condition
-    if (0 == barrier->number_of_queries)
+    if (0 == barrier.number_of_queries)
     {
-        barrier->no_running_queries_condition.notify_all();
+        barrier.no_running_queries_condition.notify_all();
     }
 }
 
 // increase number of concurrent queries
-void Engine::increase_concurrent_query_count()
+void Engine::EngineLock::IncreaseQueryCount()
 {
-    if (!barrier)
-    {
-        return;
-    }
-
     // lock update pending
     boost::interprocess::scoped_lock<boost::interprocess::named_mutex> pending_lock(
-        barrier->pending_update_mutex);
+        barrier.pending_update_mutex);
 
     // lock query
     boost::interprocess::scoped_lock<boost::interprocess::named_mutex> query_lock(
-        barrier->query_mutex);
+        barrier.query_mutex);
 
     // unlock update pending
     pending_lock.unlock();
 
     // increment query count
-    ++(barrier->number_of_queries);
-
-    (static_cast<datafacade::SharedDataFacade<contractor::QueryEdge::EdgeData> *>(
-         query_data_facade))->CheckAndReloadFacade();
+    ++(barrier.number_of_queries);
 }
 }
 }

src/engine/guidance/assemble_overview.cpp

@@ -0,0 +1,99 @@
+#ifndef ENGINE_GUIDANCE_ASSEMBLE_OVERVIEW_HPP
+#define ENGINE_GUIDANCE_ASSEMBLE_OVERVIEW_HPP
+
+#include "engine/guidance/leg_geometry.hpp"
+#include "engine/douglas_peucker.hpp"
+#include "util/tiles.hpp"
+
+#include <vector>
+#include <tuple>
+
+namespace osrm
+{
+namespace engine
+{
+namespace guidance
+{
+namespace
+{
+
+unsigned calculateOverviewZoomLevel(const std::vector<LegGeometry> &leg_geometries)
+{
+    int min_lon = std::numeric_limits<int>::max();
+    int min_lat = std::numeric_limits<int>::max();
+    int max_lon = -std::numeric_limits<int>::max();
+    int max_lat = -std::numeric_limits<int>::max();
+
+    for (const auto &leg_geometry : leg_geometries)
+    {
+        for (const auto coord : leg_geometry.locations)
+        {
+            min_lon = std::min(min_lon, coord.lon);
+            max_lon = std::max(max_lon, coord.lon);
+            min_lat = std::min(min_lat, coord.lat);
+            max_lat = std::max(max_lat, coord.lat);
+        }
+    }
+
+    return util::tiles::getBBMaxZoomTile(min_lon, min_lat, max_lon, max_lat).z;
+}
+
+std::vector<util::FixedPointCoordinate> simplifyGeometry(const std::vector<LegGeometry> &leg_geometries, const unsigned zoom_level)
+{
+    std::vector<util::FixedPointCoordinate> overview_geometry;
+    auto leg_index = 0UL;
+    for (const auto geometry : leg_geometries)
+    {
+        auto simplified_geometry =
+            douglasPeucker(geometry.locations.begin(), geometry.locations.end(), zoom_level);
+        // not the last leg
+        if (leg_index < leg_geometries.size() - 1)
+        {
+            simplified_geometry.pop_back();
+        }
+        overview_geometry.insert(overview_geometry.end(), simplified_geometry.begin(),
+                                 simplified_geometry.end());
+    }
+    return overview_geometry;
+}
+}
+
+std::vector<util::FixedPointCoordinate>
+assembleOverview(const std::vector<LegGeometry> &leg_geometries, const bool use_simplification)
+{
+    if (use_simplification)
+    {
+        const auto zoom_level = calculateOverviewZoomLevel(leg_geometries);
+        return simplifyGeometry(leg_geometries, zoom_level);
+    }
+    BOOST_ASSERT(!use_simplification);
+
+    auto overview_size = std::accumulate(leg_geometries.begin(), leg_geometries.end(), 0,
+                                         [](const std::size_t sum, const LegGeometry &leg_geometry)
+                                         {
+                                             return sum + leg_geometry.locations.size();
+                                         }) -
+                         leg_geometries.size() + 1;
+    std::vector<util::FixedPointCoordinate> overview_geometry;
+    overview_geometry.reserve(overview_size);
+
+    auto leg_index = 0UL;
+    for (const auto geometry : leg_geometries)
+    {
+        auto begin = geometry.locations.begin();
+        auto end = geometry.locations.end();
+        if (leg_index < leg_geometries.size() - 1)
+        {
+            end = std::prev(end);
+        }
+        overview_geometry.insert(overview_geometry.end(), begin, end);
+    }
+
+    return overview_geometry;
+}
+
+} // namespace guidance
+} // namespace engine
+} // namespace osrm
+
+#endif

src/engine/plugins/viaroute.cpp

@@ -0,0 +1,115 @@
+#include "engine/plugins/viaroute.hpp"
+#include "engine/datafacade/datafacade_base.hpp"
+#include "engine/api/route_api.hpp"
+#include "engine/object_encoder.hpp"
+#include "engine/status.hpp"
+
+#include "util/for_each_pair.hpp"
+#include "util/integer_range.hpp"
+#include "util/json_container.hpp"
+
+#include <cstdlib>
+
+#include <algorithm>
+#include <memory>
+#include <string>
+#include <vector>
+
+namespace osrm
+{
+namespace engine
+{
+namespace plugins
+{
+
+ViaRoutePlugin::ViaRoutePlugin(datafacade::BaseDataFacade &facade_, int max_locations_viaroute)
+    : BasePlugin(facade_), shortest_path(&facade_, heaps), alternative_path(&facade_, heaps),
+      direct_shortest_path(&facade_, heaps), max_locations_viaroute(max_locations_viaroute)
+{
+}
+
+Status ViaRoutePlugin::HandleRequest(const api::RouteParameters &route_parameters,
+                                     util::json::Object &json_result)
+{
+    if (max_locations_viaroute > 0 &&
+        (static_cast<int>(route_parameters.coordinates.size()) > max_locations_viaroute))
+    {
+        return Error("too-big",
+                     "Number of entries " + std::to_string(route_parameters.coordinates.size()) +
+                         " is higher than current maximum (" +
+                         std::to_string(max_locations_viaroute) + ")",
+                     json_result);
+    }
+
+    if (!CheckAllCoordinates(route_parameters.coordinates))
+    {
+        return Error("invalid-value", "Invalid coordinate value.", json_result);
+    }
+
+    auto phantom_node_pairs = GetPhantomNodes(route_parameters);
+    if (phantom_node_pairs.size() != route_parameters.coordinates.size())
+    {
+        return Error("no-segment",
+                     std::string("Could not find a matching segment for coordinate ") +
+                         std::to_string(phantom_node_pairs.size()),
+                     json_result);
+    }
+    BOOST_ASSERT(phantom_node_pairs.size() == route_parameters.coordinates.size());
+
+    auto snapped_phantoms = SnapPhantomNodes(phantom_node_pairs);
+
+    InternalRouteResult raw_route;
+    auto build_phantom_pairs = [&raw_route](const PhantomNode &first_node,
+                                            const PhantomNode &second_node)
+    {
+        raw_route.segment_end_coordinates.push_back(PhantomNodes{first_node, second_node});
+    };
+    util::for_each_pair(snapped_phantoms, build_phantom_pairs);
+
+    if (1 == raw_route.segment_end_coordinates.size())
+    {
+        if (route_parameters.alternative && facade.GetCoreSize() == 0)
+        {
+            alternative_path(raw_route.segment_end_coordinates.front(), raw_route);
+        }
+        else
+        {
+            direct_shortest_path(raw_route.segment_end_coordinates, raw_route);
+        }
+    }
+    else
+    {
+        shortest_path(raw_route.segment_end_coordinates, route_parameters.uturns, raw_route);
+    }
+
+    // we can only know this after the fact, different SCC ids still
+    // allow for connection in one direction.
+    if (raw_route.is_valid())
+    {
+        api::RouteAPI route_api{BasePlugin::facade, route_parameters};
+        route_api.MakeResponse(raw_route, json_result);
+    }
+    else
+    {
+        auto first_component_id = snapped_phantoms.front().component.id;
+        auto not_in_same_component = std::any_of(snapped_phantoms.begin(), snapped_phantoms.end(),
+                                                 [first_component_id](const PhantomNode &node)
+                                                 {
+                                                     return node.component.id != first_component_id;
+                                                 });
+
+        if (not_in_same_component)
+        {
+            return Error("no-route", "Impossible route between points", json_result);
+        }
+        else
+        {
+            return Error("no-route", "No route found between points", json_result);
+        }
+    }
+
+    return Status::Ok;
+}
+}
+}
+}

src/engine/polyline_compressor.cpp

@@ -1,8 +1,10 @@
 #include "engine/polyline_compressor.hpp"
 
+#include <boost/assert.hpp>
 #include <cstddef>
 #include <cstdlib>
 #include <cmath>
+#include <algorithm>
 
 namespace osrm
 {
@@ -55,31 +57,30 @@ std::string encode(std::vector<int> &numbers)
 }
 } // anonymous ns
 
-std::string polylineEncode(const std::vector<SegmentInformation> &polyline)
+
+std::string encodePolyline(CoordVectorForwardIter begin, CoordVectorForwardIter end)
 {
-    if (polyline.empty())
+    auto size = std::distance(begin, end);
+    if (size == 0)
     {
         return {};
     }
 
     std::vector<int> delta_numbers;
-    delta_numbers.reserve((polyline.size() - 1) * 2);
+    BOOST_ASSERT(size > 0);
+    delta_numbers.reserve((size - 1) * 2);
     util::FixedPointCoordinate previous_coordinate = {0, 0};
-    for (const auto &segment : polyline)
+    std::for_each(begin, end, [&delta_numbers, &previous_coordinate](const FixedPointCoordinate loc)
     {
-        if (segment.necessary)
-        {
-            const int lat_diff = segment.location.lat - previous_coordinate.lat;
-            const int lon_diff = segment.location.lon - previous_coordinate.lon;
+            const int lat_diff = (loc.lat - previous_coordinate.lat) * detail::COORDINATE_TO_POLYLINE;
+            const int lon_diff = (loc.lon - previous_coordinate.lon) * detail::COORDINATE_TO_POLYLINE;
             delta_numbers.emplace_back(lat_diff);
             delta_numbers.emplace_back(lon_diff);
-            previous_coordinate = segment.location;
-        }
-    }
+            previous_coordinate = loc;
+    });
     return encode(delta_numbers);
 }
-
-std::vector<util::FixedPointCoordinate> polylineDecode(const std::string &geometry_string)
+std::vector<util::FixedPointCoordinate> decodePolyline(const std::string &geometry_string)
 {
     std::vector<util::FixedPointCoordinate> new_coordinates;
     int index = 0, len = geometry_string.size();
@@ -109,8 +110,8 @@ std::vector<util::FixedPointCoordinate> polylineDecode(const std::string &geomet
         lng += dlng;
 
         util::FixedPointCoordinate p;
-        p.lat = COORDINATE_PRECISION * (((double)lat / 1E6));
-        p.lon = COORDINATE_PRECISION * (((double)lng / 1E6));
+        p.lat = lat * detail::POLYLINE_TO_COORDINATE;
+        p.lon = lng * detail::POLYLINE_TO_COORDINATE;
         new_coordinates.push_back(p);
     }
 

src/engine/polyline_formatter.cpp

@@ -1,31 +0,0 @@
-#include "engine/polyline_formatter.hpp"
-#include "engine/polyline_compressor.hpp"
-#include "osrm/coordinate.hpp"
-
-namespace osrm
-{
-namespace engine
-{
-
-util::json::String polylineEncodeAsJSON(const std::vector<SegmentInformation> &polyline)
-{
-    return util::json::String(polylineEncode(polyline));
-}
-
-util::json::Array polylineUnencodedAsJSON(const std::vector<SegmentInformation> &polyline)
-{
-    util::json::Array json_geometry_array;
-    for (const auto &segment : polyline)
-    {
-        if (segment.necessary)
-        {
-            util::json::Array json_coordinate;
-            json_coordinate.values.push_back(segment.location.lat / COORDINATE_PRECISION);
-            json_coordinate.values.push_back(segment.location.lon / COORDINATE_PRECISION);
-            json_geometry_array.values.push_back(json_coordinate);
-        }
-    }
-    return json_geometry_array;
-}
-}
-}

src/engine/route_parameters.cpp

@@ -1,170 +0,0 @@
-#include "engine/route_parameters.hpp"
-#include "util/coordinate.hpp"
-
-#include "engine/polyline_compressor.hpp"
-
-#include <string>
-#include <utility>
-
-namespace osrm
-{
-namespace engine
-{
-
-RouteParameters::RouteParameters()
-    : zoom_level(18), print_instructions(false), alternate_route(true), geometry(true),
-      compression(true), deprecatedAPI(false), uturn_default(false), classify(false),
-      matching_beta(5), gps_precision(5), check_sum(-1), num_results(1)
-{
-}
-
-void RouteParameters::SetZoomLevel(const short level)
-{
-    if (18 >= level && 0 <= level)
-    {
-        zoom_level = level;
-    }
-}
-
-void RouteParameters::SetNumberOfResults(const short number)
-{
-    if (number > 0 && number <= 100)
-    {
-        num_results = number;
-    }
-}
-
-void RouteParameters::SetAlternateRouteFlag(const bool flag) { alternate_route = flag; }
-
-void RouteParameters::SetUTurn(const bool flag)
-{
-    // the API grammar should make sure this never happens
-    BOOST_ASSERT(!uturns.empty());
-    uturns.back() = flag;
-}
-
-void RouteParameters::SetAllUTurns(const bool flag)
-{
-    // if the flag flips the default, then we erase everything.
-    if (flag)
-    {
-        uturn_default = flag;
-        uturns.clear();
-        uturns.resize(coordinates.size(), uturn_default);
-    }
-}
-
-void RouteParameters::SetDeprecatedAPIFlag(const std::string & /*unused*/) { deprecatedAPI = true; }
-
-void RouteParameters::SetChecksum(const unsigned sum) { check_sum = sum; }
-
-void RouteParameters::SetInstructionFlag(const bool flag) { print_instructions = flag; }
-
-void RouteParameters::SetService(const std::string &service_string) { service = service_string; }
-
-void RouteParameters::SetClassify(const bool flag) { classify = flag; }
-
-void RouteParameters::SetMatchingBeta(const double beta) { matching_beta = beta; }
-
-void RouteParameters::SetGPSPrecision(const double precision) { gps_precision = precision; }
-
-void RouteParameters::SetOutputFormat(const std::string &format) { output_format = format; }
-
-void RouteParameters::SetJSONpParameter(const std::string &parameter)
-{
-    jsonp_parameter = parameter;
-}
-
-void RouteParameters::AddHint(const std::string &hint)
-{
-    hints.resize(coordinates.size());
-    if (!hints.empty())
-    {
-        hints.back() = hint;
-    }
-}
-
-void RouteParameters::AddTimestamp(const unsigned timestamp)
-{
-    timestamps.resize(coordinates.size());
-    if (!timestamps.empty())
-    {
-        timestamps.back() = timestamp;
-    }
-}
-
-bool RouteParameters::AddBearing(int bearing, boost::optional<int> range)
-{
-    if (bearing < 0 || bearing > 359)
-        return false;
-    if (range && (*range < 0 || *range > 180))
-        return false;
-    bearings.emplace_back(std::make_pair(bearing, range));
-    return true;
-}
-
-void RouteParameters::SetLanguage(const std::string &language_string)
-{
-    language = language_string;
-}
-
-void RouteParameters::SetGeometryFlag(const bool flag) { geometry = flag; }
-
-void RouteParameters::SetCompressionFlag(const bool flag) { compression = flag; }
-
-void RouteParameters::AddCoordinate(const double latitude, const double longitude)
-{
-    coordinates.emplace_back(static_cast<int>(COORDINATE_PRECISION * latitude),
-                             static_cast<int>(COORDINATE_PRECISION * longitude));
-    is_source.push_back(true);
-    is_destination.push_back(true);
-    uturns.push_back(uturn_default);
-}
-
-void RouteParameters::AddDestination(const double latitude, const double longitude)
-{
-    coordinates.emplace_back(static_cast<int>(COORDINATE_PRECISION * latitude),
-                             static_cast<int>(COORDINATE_PRECISION * longitude));
-    is_source.push_back(false);
-    is_destination.push_back(true);
-    uturns.push_back(uturn_default);
-}
-
-void RouteParameters::AddSource(const double latitude, const double longitude)
-{
-    coordinates.emplace_back(static_cast<int>(COORDINATE_PRECISION * latitude),
-                             static_cast<int>(COORDINATE_PRECISION * longitude));
-    is_source.push_back(true);
-    is_destination.push_back(false);
-    uturns.push_back(uturn_default);
-}
-
-void RouteParameters::SetCoordinatesFromGeometry(const std::string &geometry_string)
-{
-    coordinates = polylineDecode(geometry_string);
-    uturns.clear();
-    uturns.resize(coordinates.size(), uturn_default);
-}
-
-bool RouteParameters::SetX(const int x_)
-{
-    x = x_;
-    return true;
-}
-bool RouteParameters::SetZ(const int z_)
-{
-    if (z_ < 12)
-    {
-        return false;
-    }
-
-    z = z_;
-    return true;
-}
-bool RouteParameters::SetY(const int y_)
-{
-    y = y_;
-    return true;
-}
-}
-}

src/engine/search_engine_data.cpp

@@ -7,6 +7,13 @@ namespace osrm
 namespace engine
 {
 
+SearchEngineData::SearchEngineHeapPtr SearchEngineData::forward_heap_1;
+SearchEngineData::SearchEngineHeapPtr SearchEngineData::reverse_heap_1;
+SearchEngineData::SearchEngineHeapPtr SearchEngineData::forward_heap_2;
+SearchEngineData::SearchEngineHeapPtr SearchEngineData::reverse_heap_2;
+SearchEngineData::SearchEngineHeapPtr SearchEngineData::forward_heap_3;
+SearchEngineData::SearchEngineHeapPtr SearchEngineData::reverse_heap_3;
+
 void SearchEngineData::InitializeOrClearFirstThreadLocalStorage(const unsigned number_of_nodes)
 {
     if (forward_heap_1.get())

src/osrm/osrm.cpp

@@ -1,7 +1,8 @@
 #include "osrm/osrm.hpp"
 #include "engine/engine.hpp"
+#include "engine/status.hpp"
 #include "engine/engine_config.hpp"
-#include "engine/plugins/plugin_base.hpp"
+#include "engine/plugins/viaroute.hpp"
 #include "storage/shared_barriers.hpp"
 #include "util/make_unique.hpp"
 
@@ -14,9 +15,9 @@ OSRM::OSRM(engine::EngineConfig &config_) : engine_(util::make_unique<engine::En
 // needed because unique_ptr needs the size of OSRM_impl for delete
 OSRM::~OSRM() {}
 
-int OSRM::RunQuery(const RouteParameters &route_parameters, util::json::Object &json_result)
+engine::Status OSRM::Route(const RouteParameters &route_parameters, util::json::Object &json_result)
 {
-    return engine_->RunQuery(route_parameters, json_result);
+    return engine_->Route(route_parameters, json_result);
 }
 
 }

src/server/api/route_parameters_parser.cpp

@@ -0,0 +1,28 @@
+#include "server/api/route_parameters_parser.hpp"
+#include "server/api/route_parameters_grammar.hpp"
+
+namespace osrm
+{
+namespace server
+{
+namespace api
+{
+
+boost::optional<engine::api::RouteParameters> parseRouteParameters(std::string::iterator& iter, std::string::iterator end)
+{
+    RouteParametersGrammar grammar;
+    const auto result = boost::spirit::qi::parse(iter, end, grammar);
+
+    boost::optional<engine::api::RouteParameters> parameters;
+    if (result && iter == end)
+    {
+        parameters = std::move(grammar.route_parameters);
+    }
+
+    return parameters;
+}
+
+}
+}
+}
+

src/server/api/url_parser.cpp

@@ -0,0 +1,104 @@
+#include "server/api/url_parser.hpp"
+
+#include "engine/polyline_compressor.hpp"
+
+#include <boost/bind.hpp>
+#include <boost/spirit/include/qi_char_.hpp>
+#include <boost/spirit/include/qi_grammar.hpp>
+#include <boost/spirit/include/qi_uint.hpp>
+#include <boost/spirit/include/qi_real.hpp>
+#include <boost/spirit/include/qi_lit.hpp>
+#include <boost/spirit/include/qi_action.hpp>
+#include <boost/spirit/include/qi_as_string.hpp>
+#include <boost/spirit/include/qi_operator.hpp>
+#include <boost/spirit/include/qi_plus.hpp>
+
+namespace osrm
+{
+namespace server
+{
+namespace api
+{
+
+namespace
+{
+
+namespace qi = boost::spirit::qi;
+using Iterator = std::string::iterator;
+struct URLGrammar : boost::spirit::qi::grammar<Iterator>
+{
+    URLGrammar() : URLGrammar::base_type(url_rule)
+    {
+        const auto set_service = [this](std::string &service)
+        {
+            parsed_url.service = std::move(service);
+        };
+        const auto set_version = [this](const unsigned version)
+        {
+            parsed_url.version = version;
+        };
+        const auto set_profile = [this](std::string &profile)
+        {
+            parsed_url.profile = std::move(profile);
+        };
+        const auto set_options = [this](std::string &options)
+        {
+            parsed_url.options = std::move(options);
+        };
+        const auto add_coordinate = [this](const boost::fusion::vector<double, double> &lonLat)
+        {
+            parsed_url.coordinates.emplace_back(
+                util::FixedPointCoordinate(boost::fusion::at_c<1>(lonLat) * COORDINATE_PRECISION,
+                                           boost::fusion::at_c<0>(lonLat) * COORDINATE_PRECISION));
+        };
+        const auto polyline_to_coordinates = [this](const std::string &polyline)
+        {
+            parsed_url.coordinates = engine::decodePolyline(polyline);
+        };
+
+        alpha_numeral = qi::char_("a-zA-Z0-9");
+        polyline_chars = qi::char_("a-zA-Z0-9_.--[]{}@?|\\%~`^");
+        all_chars = polyline_chars | qi::char_("=,;:&");
+
+        polyline_rule = qi::as_string[qi::lit("polyline(") >> +polyline_chars >>
+                                      qi::lit(")")][polyline_to_coordinates];
+        location_rule = (qi::double_ >> qi::lit(',') >> qi::double_)[add_coordinate];
+        query_rule = (location_rule % ';') | polyline_rule;
+
+        service_rule = +alpha_numeral;
+        version_rule = qi::uint_;
+        profile_rule = +alpha_numeral;
+        options_rule = *all_chars;
+
+        url_rule = qi::lit('/') >> service_rule[set_service] >> qi::lit('/') >> qi::lit('v') >>
+                   version_rule[set_version] >> qi::lit('/') >> profile_rule[set_profile] >>
+                   qi::lit('/') >> query_rule >> -(qi::lit('?') >> options_rule[set_options]);
+    }
+
+    ParsedURL parsed_url;
+
+    qi::rule<Iterator> url_rule;
+    qi::rule<Iterator, std::string()> options_rule, service_rule, profile_rule;
+    qi::rule<Iterator> query_rule, polyline_rule, location_rule;
+    qi::rule<Iterator, unsigned()> version_rule;
+    qi::rule<Iterator, char()> alpha_numeral, all_chars, polyline_chars;
+};
+}
+
+boost::optional<ParsedURL> parseURL(std::string::iterator &iter, std::string::iterator end)
+{
+    boost::optional<ParsedURL> parsed_url;
+
+    URLGrammar grammar;
+    const auto result = boost::spirit::qi::parse(iter, end, grammar);
+
+    if (result && iter == end)
+    {
+        parsed_url = std::move(grammar.parsed_url);
+    }
+
+    return parsed_url;
+}
+}
+}
+}

src/server/connection.cpp

@@ -50,7 +50,7 @@ void Connection::handle_read(const boost::system::error_code &error, std::size_t
     if (result == RequestParser::RequestStatus::valid)
     {
         current_request.endpoint = TCP_socket.remote_endpoint().address();
-        request_handler.handle_request(current_request, current_reply);
+        request_handler.HandleRequest(current_request, current_reply);
 
         // compress the result w/ gzip/deflate if requested
         switch (compression_type)

src/server/http/reply.cpp

@@ -10,9 +10,9 @@ namespace http
 {
 
 const char ok_html[] = "";
-const char bad_request_html[] = "{\"status\": 400,\"status_message\":\"Bad Request\"}";
+const char bad_request_html[] = "";
 const char internal_server_error_html[] =
-    "{\"status\": 500,\"status_message\":\"Internal Server Error\"}";
+    "{\"code\": \"internal-error\",\"message\":\"Internal Server Error\"}";
 const char seperators[] = {':', ' '};
 const char crlf[] = {'\r', '\n'};
 const std::string http_ok_string = "HTTP/1.0 200 OK\r\n";

src/server/request_handler.cpp

@@ -1,6 +1,7 @@
 #include "server/request_handler.hpp"
+#include "server/service_handler.hpp"
 
-#include "server/api_grammar.hpp"
+#include "server/api/url_parser.hpp"
 #include "server/http/reply.hpp"
 #include "server/http/request.hpp"
 
@@ -9,7 +10,7 @@
 #include "util/string_util.hpp"
 #include "util/typedefs.hpp"
 
-#include "engine/route_parameters.hpp"
+#include "engine/status.hpp"
 #include "util/json_container.hpp"
 #include "osrm/osrm.hpp"
 
@@ -28,11 +29,22 @@ namespace osrm
 namespace server
 {
 
-RequestHandler::RequestHandler() : routing_machine(nullptr) {}
 
-void RequestHandler::handle_request(const http::request &current_request,
+void RequestHandler::RegisterServiceHandler(std::unique_ptr<ServiceHandler> service_handler_)
+{
+    service_handler = std::move(service_handler_);
+}
+
+void RequestHandler::HandleRequest(const http::request &current_request,
                                     http::reply &current_reply)
 {
+    if (!service_handler)
+    {
+        current_reply = http::reply::stock_reply(http::reply::internal_server_error);
+        util::SimpleLogger().Write(logWARNING) << "No service handler registered." << std::endl;
+        return;
+    }
+
     util::json::Object json_result;
 
     // parse command
@@ -67,84 +79,49 @@ void RequestHandler::handle_request(const http::request &current_request,
             << current_request.agent << (0 == current_request.agent.length() ? "- " : " ")
             << request_string;
 
-        engine::RouteParameters route_parameters;
-        APIGrammarParser api_parser(&route_parameters);
-
         auto api_iterator = request_string.begin();
-        const bool result =
-            boost::spirit::qi::parse(api_iterator, request_string.end(), api_parser);
+        auto maybe_parsed_url = api::parseURL(api_iterator, request_string.end());;
 
         // check if the was an error with the request
-        if (result && api_iterator == request_string.end())
+        if (maybe_parsed_url && api_iterator == request_string.end())
         {
-            // parsing done, lets call the right plugin to handle the request
-            BOOST_ASSERT_MSG(routing_machine != nullptr, "pointer not init'ed");
-
-            if (!route_parameters.jsonp_parameter.empty())
-            { // prepend response with jsonp parameter
-                const std::string json_p = (route_parameters.jsonp_parameter + "(");
-                current_reply.content.insert(current_reply.content.end(), json_p.begin(),
-                                             json_p.end());
-            }
-
-            const int return_code = routing_machine->RunQuery(route_parameters, json_result);
-            json_result.values["status"] = return_code;
-            // 4xx bad request return code
-            if (return_code / 100 == 4)
+            const engine::Status status = service_handler->RunQuery(std::move(*maybe_parsed_url), json_result);
+            if (status != engine::Status::Ok)
             {
+                // 4xx bad request return code
                 current_reply.status = http::reply::bad_request;
-                current_reply.content.clear();
-                route_parameters.output_format.clear();
             }
             else
             {
-                // 2xx valid request
-                BOOST_ASSERT(return_code / 100 == 2);
+                BOOST_ASSERT(status == engine::Status::Ok);
             }
         }
         else
         {
             const auto position = std::distance(request_string.begin(), api_iterator);
+            const auto context_begin = request_string.begin() + std::max(position - 3UL, 0UL);
+            const auto context_end = request_string.begin() + std::min(position + 3UL, request_string.size());
+            std::string context(context_begin, context_end);
 
             current_reply.status = http::reply::bad_request;
-            json_result.values["status"] = http::reply::bad_request;
-            json_result.values["status_message"] =
-                "Query string malformed close to position " + std::to_string(position);
+            json_result.values["code"] = "invalid-url";
+            json_result.values["message"] =
+                "URL string malformed close to position " + std::to_string(position) + ": \"" + context + "\"";
         }
 
         current_reply.headers.emplace_back("Access-Control-Allow-Origin", "*");
         current_reply.headers.emplace_back("Access-Control-Allow-Methods", "GET");
         current_reply.headers.emplace_back("Access-Control-Allow-Headers",
                                            "X-Requested-With, Content-Type");
+        current_reply.headers.emplace_back("Content-Type", "application/json; charset=UTF-8");
+        current_reply.headers.emplace_back("Content-Disposition",
+                "inline; filename=\"response.json\"");
 
-        if (route_parameters.service == "tile" && json_result.values.find("pbf") != json_result.values.end())
-        {
-            std::copy(json_result.values["pbf"].get<osrm::util::json::Buffer>().value.cbegin(),
-                      json_result.values["pbf"].get<osrm::util::json::Buffer>().value.cend(),
-                      std::back_inserter(current_reply.content));
+        util::json::render(current_reply.content, json_result);
 
-            current_reply.headers.emplace_back("Content-Type", "application/x-protobuf");
-        }
-        else if (route_parameters.jsonp_parameter.empty())
-        { // json file
-            util::json::render(current_reply.content, json_result);
-            current_reply.headers.emplace_back("Content-Type", "application/json; charset=UTF-8");
-            current_reply.headers.emplace_back("Content-Disposition",
-                                               "inline; filename=\"response.json\"");
-        }
-        else
-        { // jsonp
-            util::json::render(current_reply.content, json_result);
-            current_reply.headers.emplace_back("Content-Type", "text/javascript; charset=UTF-8");
-            current_reply.headers.emplace_back("Content-Disposition",
-                                               "inline; filename=\"response.js\"");
-        }
+        // set headers
         current_reply.headers.emplace_back("Content-Length",
                                            std::to_string(current_reply.content.size()));
-        if (!route_parameters.jsonp_parameter.empty())
-        { // append brace to jsonp response
-            current_reply.content.push_back(')');
-        }
     }
     catch (const std::exception &e)
     {
@@ -154,6 +131,5 @@ void RequestHandler::handle_request(const http::request &current_request,
     }
 }
 
-void RequestHandler::RegisterRoutingMachine(OSRM *osrm) { routing_machine = osrm; }
 }
 }

src/server/service/route_service.cpp

@@ -0,0 +1,83 @@
+#include "server/service/route_service.hpp"
+
+#include "engine/api/route_parameters.hpp"
+#include "server/api/route_parameters_parser.hpp"
+
+#include "util/json_container.hpp"
+
+#include <boost/format.hpp>
+
+namespace osrm
+{
+namespace server
+{
+namespace service
+{
+
+namespace {
+
+const constexpr char PARAMETER_SIZE_MISMATCH_MSG[] = "Number of elements in %1% size %2% does not match coordinate size %3%";
+
+template<typename ParamT>
+bool constrainParamSize(const char* msg_template, const char* name, const ParamT& param, const std::size_t target_size, std::string& help)
+{
+    if (param.size() > 0 && param.size() != target_size)
+    {
+        help = (boost::format(msg_template) % name % param.size() % target_size).str();
+        return true;
+    }
+    return false;
+}
+
+std::string getWrongOptionHelp(const engine::api::RouteParameters& parameters)
+{
+    std::string help;
+
+    const auto coord_size = parameters.coordinates.size();
+
+    const bool param_size_mismatch = constrainParamSize(PARAMETER_SIZE_MISMATCH_MSG, "hints", parameters.hints, coord_size, help)
+     || constrainParamSize(PARAMETER_SIZE_MISMATCH_MSG, "bearings", parameters.bearings, coord_size, help)
+     || constrainParamSize(PARAMETER_SIZE_MISMATCH_MSG, "radiuses", parameters.radiuses, coord_size, help)
+     || constrainParamSize(PARAMETER_SIZE_MISMATCH_MSG, "uturns", parameters.uturns, coord_size, help);
+
+    if (!param_size_mismatch && parameters.coordinates.size() < 2)
+    {
+        help = "Number of coordinates needs to be at least two.";
+    }
+
+    return help;
+}
+} // anon. ns
+
+engine::Status RouteService::RunQuery(std::vector<util::FixedPointCoordinate> coordinates,
+                                      std::string &options,
+                                      util::json::Object &json_result)
+{
+
+    auto options_iterator = options.begin();
+    auto parameters = api::parseRouteParameters(options_iterator, options.end());
+    if (!parameters || options_iterator != options.end())
+    {
+        const auto position = std::distance(options.begin(), options_iterator);
+        json_result.values["code"] = "invalid-options";
+        json_result.values["message"] =
+            "Options string malformed close to position " + std::to_string(position);
+        return engine::Status::Error;
+    }
+
+    BOOST_ASSERT(parameters);
+    parameters->coordinates = std::move(coordinates);
+
+    if (!parameters->IsValid())
+    {
+        json_result.values["code"] = "invalid-options";
+        json_result.values["message"] = getWrongOptionHelp(*parameters);
+        return engine::Status::Error;
+    }
+    BOOST_ASSERT(parameters->IsValid());
+
+    return BaseService::routing_machine.Route(*parameters, json_result);
+}
+}
+}
+}

src/server/service_handler.cpp

@@ -0,0 +1,39 @@
+#include "server/service_handler.hpp"
+
+#include "server/service/route_service.hpp"
+
+#include "server/api/parsed_url.hpp"
+#include "util/json_util.hpp"
+#include "util/make_unique.hpp"
+
+namespace osrm
+{
+namespace server
+{
+    ServiceHandler::ServiceHandler(osrm::EngineConfig &config) : routing_machine(config)
+    {
+        service_map["route"] = util::make_unique<service::RouteService>(routing_machine);
+    }
+
+    engine::Status ServiceHandler::RunQuery(api::ParsedURL parsed_url, util::json::Object &json_result)
+    {
+        const auto& service_iter = service_map.find(parsed_url.service);
+        if (service_iter == service_map.end())
+        {
+            json_result.values["code"] = "invalid-service";
+            json_result.values["message"] = "Service " + parsed_url.service + " not found!";
+            return engine::Status::Error;
+        }
+        auto &service = service_iter->second;
+
+        if (service->GetVersion() != parsed_url.version)
+        {
+            json_result.values["code"] = "invalid-version";
+            json_result.values["message"] = "Service " + parsed_url.service + " not found!";
+            return engine::Status::Error;
+        }
+
+        return service->RunQuery(std::move(parsed_url.coordinates), parsed_url.options, json_result);
+    }
+}
+}

src/storage/storage.cpp

@@ -39,7 +39,7 @@ namespace storage
 {
 
 using RTreeLeaf =
-    typename engine::datafacade::BaseDataFacade<contractor::QueryEdge::EdgeData>::RTreeLeaf;
+    typename engine::datafacade::BaseDataFacade::RTreeLeaf;
 using RTreeNode = util::StaticRTree<RTreeLeaf,
                                     util::ShM<util::FixedPointCoordinate, true>::vector,
                                     true>::TreeNode;

src/tools/routed.cpp

@@ -1,5 +1,6 @@
 #include "server/server.hpp"
 #include "util/routed_options.hpp"
+#include "util/make_unique.hpp"
 #include "util/simple_logger.hpp"
 
 #include "osrm/osrm.hpp"
@@ -101,10 +102,10 @@ int main(int argc, const char *argv[]) try
     pthread_sigmask(SIG_BLOCK, &new_mask, &old_mask);
 #endif
 
-    OSRM osrm_lib(config);
     auto routing_server = server::Server::CreateServer(ip_address, ip_port, requested_thread_num);
+    auto service_handler = util::make_unique<server::ServiceHandler>(config);
 
-    routing_server->GetRequestHandlerPtr().RegisterRoutingMachine(&osrm_lib);
+    routing_server->RegisterServiceHandler(std::move(service_handler));
 
     if (trial_run)
     {

src/util/coordinate.cpp

@@ -45,12 +45,17 @@ bool FixedPointCoordinate::IsValid() const
              lon > 180 * COORDINATE_PRECISION || lon < -180 * COORDINATE_PRECISION);
 }
 
-bool FixedPointCoordinate::operator==(const FixedPointCoordinate &other) const
+bool operator==(const FixedPointCoordinate lhs, const FixedPointCoordinate rhs)
 {
-    return lat == other.lat && lon == other.lon;
+    return lhs.lat == rhs.lat && lhs.lon == rhs.lon;
 }
 
-std::ostream &operator<<(std::ostream &out, const FixedPointCoordinate &coordinate)
+bool operator!=(const FixedPointCoordinate lhs, const FixedPointCoordinate rhs)
+{
+    return !(lhs == rhs);
+}
+
+std::ostream &operator<<(std::ostream &out, const FixedPointCoordinate coordinate)
 {
     out << "(" << static_cast<double>(coordinate.lat / COORDINATE_PRECISION) << ","
         << static_cast<double>(coordinate.lon / COORDINATE_PRECISION) << ")";

unit_tests/engine/douglas_peucker.cpp

@@ -1,5 +1,4 @@
 #include "engine/douglas_peucker.hpp"
-#include "engine/segment_information.hpp"
 
 #include <boost/test/unit_test.hpp>
 #include <boost/test/test_case_template.hpp>
@@ -13,13 +12,7 @@ BOOST_AUTO_TEST_SUITE(douglas_peucker_simplification)
 using namespace osrm;
 using namespace osrm::engine;
 
-SegmentInformation getTestInfo(int lat, int lon, bool necessary)
-{
-    return SegmentInformation(util::FixedPointCoordinate(lat, lon), 0, 0, 0,
-                              extractor::TurnInstruction::HeadOn, necessary, false, 0);
-}
-
-BOOST_AUTO_TEST_CASE(all_necessary_test)
+BOOST_AUTO_TEST_CASE(removed_middle_test)
 {
     /*
             x
@@ -27,19 +20,23 @@ BOOST_AUTO_TEST_CASE(all_necessary_test)
           x   \
          /     \
         x       x
-       /
     */
-    std::vector<SegmentInformation> info = {getTestInfo(5, 5, true),
-                                            getTestInfo(6, 6, true),
-                                            getTestInfo(10, 10, true),
-                                            getTestInfo(5, 15, true)};
-    for (unsigned z = 0; z < detail::DOUGLAS_PEUCKER_THRESHOLDS_SIZE; z++)
+    std::vector<util::FixedPointCoordinate> coordinates = {
+        util::FixedPointCoordinate(5 * COORDINATE_PRECISION, 5 * COORDINATE_PRECISION),
+        util::FixedPointCoordinate(6 * COORDINATE_PRECISION, 6 * COORDINATE_PRECISION),
+        util::FixedPointCoordinate(10 * COORDINATE_PRECISION, 10 * COORDINATE_PRECISION),
+        util::FixedPointCoordinate(5 * COORDINATE_PRECISION, 15 * COORDINATE_PRECISION)};
+
+    // FIXME this test fails for everything below z4 because the DP algorithms
+    // only used a naive distance measurement
+    //for (unsigned z = 0; z < detail::DOUGLAS_PEUCKER_THRESHOLDS_SIZE; z++)
+    for (unsigned z = 0; z < 2; z++)
     {
-        douglasPeucker(info, z);
-        for (const auto &i : info)
-        {
-            BOOST_CHECK_EQUAL(i.necessary, true);
-        }
+        auto result = douglasPeucker(coordinates, z);
+        BOOST_CHECK_EQUAL(result.size(), 3);
+        BOOST_CHECK_EQUAL(result[0], coordinates[0]);
+        BOOST_CHECK_EQUAL(result[1], coordinates[2]);
+        BOOST_CHECK_EQUAL(result[2], coordinates[3]);
     }
 }
 
@@ -54,26 +51,27 @@ BOOST_AUTO_TEST_CASE(remove_second_node_test)
                   |
                   x
         */
-        std::vector<SegmentInformation> info = {
-            getTestInfo(5 * COORDINATE_PRECISION, 5 * COORDINATE_PRECISION, true),
-            getTestInfo(5 * COORDINATE_PRECISION,
-                        5 * COORDINATE_PRECISION + detail::DOUGLAS_PEUCKER_THRESHOLDS[z], false),
-            getTestInfo(10 * COORDINATE_PRECISION, 10 * COORDINATE_PRECISION, false),
-            getTestInfo(10 * COORDINATE_PRECISION,
-                        10 + COORDINATE_PRECISION + detail::DOUGLAS_PEUCKER_THRESHOLDS[z] * 2,
-                        false),
-            getTestInfo(5 * COORDINATE_PRECISION, 15 * COORDINATE_PRECISION, false),
-            getTestInfo(5 * COORDINATE_PRECISION + detail::DOUGLAS_PEUCKER_THRESHOLDS[z],
-                        15 * COORDINATE_PRECISION, true),
+        std::vector<util::FixedPointCoordinate> input = {
+            util::FixedPointCoordinate(5 * COORDINATE_PRECISION, 5 * COORDINATE_PRECISION),
+            util::FixedPointCoordinate(5 * COORDINATE_PRECISION,
+                                       5 * COORDINATE_PRECISION +
+                                           detail::DOUGLAS_PEUCKER_THRESHOLDS[z]),
+            util::FixedPointCoordinate(10 * COORDINATE_PRECISION, 10 * COORDINATE_PRECISION),
+            util::FixedPointCoordinate(10 * COORDINATE_PRECISION,
+                                       10 + COORDINATE_PRECISION +
+                                           detail::DOUGLAS_PEUCKER_THRESHOLDS[z] * 2),
+            util::FixedPointCoordinate(5 * COORDINATE_PRECISION, 15 * COORDINATE_PRECISION),
+            util::FixedPointCoordinate(5 * COORDINATE_PRECISION +
+                                           detail::DOUGLAS_PEUCKER_THRESHOLDS[z],
+                                       15 * COORDINATE_PRECISION),
         };
         BOOST_TEST_MESSAGE("Threshold (" << z << "): " << detail::DOUGLAS_PEUCKER_THRESHOLDS[z]);
-        douglasPeucker(info, z);
-        BOOST_CHECK_EQUAL(info[0].necessary, true);
-        BOOST_CHECK_EQUAL(info[1].necessary, false);
-        BOOST_CHECK_EQUAL(info[2].necessary, true);
-        BOOST_CHECK_EQUAL(info[3].necessary, true);
-        BOOST_CHECK_EQUAL(info[4].necessary, false);
-        BOOST_CHECK_EQUAL(info[5].necessary, true);
+        auto result = douglasPeucker(input, z);
+        BOOST_CHECK_EQUAL(result.size(), 4);
+        BOOST_CHECK_EQUAL(input[0], result[0]);
+        BOOST_CHECK_EQUAL(input[2], result[1]);
+        BOOST_CHECK_EQUAL(input[3], result[2]);
+        BOOST_CHECK_EQUAL(input[5], result[3]);
     }
 }
 

unit_tests/engine/geometry_string.cpp

@@ -18,7 +18,7 @@ BOOST_AUTO_TEST_CASE(decode)
 {
     // Polyline string for the 5 coordinates
     const std::string polyline = "_gjaR_gjaR_pR_ibE_pR_ibE_pR_ibE_pR_ibE";
-    const auto coords = polylineDecode(polyline);
+    const auto coords = decodePolyline(polyline);
 
     // Test coordinates; these would be the coordinates we give the loc parameter,
     // e.g. loc=10.00,10.0&loc=10.01,10.1...

unit_tests/server/route_parameters_parser.cpp

@@ -0,0 +1,168 @@
+#include "server/api/route_parameters_parser.hpp"
+
+#include <fstream>
+
+namespace osrm
+{
+namespace engine
+{
+namespace api
+{
+std::ostream &operator<<(std::ostream &out, api::RouteParameters::GeometriesType geometries)
+{
+    switch (geometries)
+    {
+    case api::RouteParameters::GeometriesType::GeoJSON:
+        out << "GeoJSON";
+        break;
+    case api::RouteParameters::GeometriesType::Polyline:
+        out << "Polyline";
+        break;
+    default:
+        BOOST_ASSERT_MSG(false, "GeometriesType not fully captured");
+    }
+    return out;
+}
+std::ostream &operator<<(std::ostream &out, api::RouteParameters::OverviewType overview)
+{
+    switch (overview)
+    {
+    case api::RouteParameters::OverviewType::False:
+        out << "False";
+        break;
+    case api::RouteParameters::OverviewType::Full:
+        out << "Full";
+        break;
+    case api::RouteParameters::OverviewType::Simplified:
+        out << "Simplified";
+        break;
+    default:
+        BOOST_ASSERT_MSG(false, "OverviewType not fully captured");
+    }
+    return out;
+}
+std::ostream &operator<<(std::ostream &out, api::RouteParameters::Bearing bearing)
+{
+    out << bearing.bearing << "," << bearing.range;
+    return out;
+}
+}
+}
+}
+
+#include <boost/test/unit_test.hpp>
+#include <boost/test/test_tools.hpp>
+#include <boost/optional/optional_io.hpp>
+
+#define CHECK_EQUAL_RANGE(R1, R2)                                                                  \
+    BOOST_CHECK_EQUAL_COLLECTIONS(R1.begin(), R1.end(), R2.begin(), R2.end());
+
+BOOST_AUTO_TEST_SUITE(api_route_parameters_parser)
+
+using namespace osrm;
+using namespace osrm::server;
+
+// returns distance to front
+std::size_t testInvalidOptions(std::string options)
+{
+    auto iter = options.begin();
+    auto result = api::parseRouteParameters(iter, options.end());
+    BOOST_CHECK(!result);
+    return std::distance(options.begin(), iter);
+}
+
+BOOST_AUTO_TEST_CASE(invalid_urls)
+{
+    BOOST_CHECK_EQUAL(testInvalidOptions("overview=false&bla=foo"), 14UL);
+    BOOST_CHECK_EQUAL(testInvalidOptions("overview=false&bearings=foo"), 24UL);
+    BOOST_CHECK_EQUAL(testInvalidOptions("overview=false&uturns=foo"), 22UL);
+    BOOST_CHECK_EQUAL(testInvalidOptions("overview=false&radiuses=foo"), 24UL);
+    BOOST_CHECK_EQUAL(testInvalidOptions("overview=false&hints=foo"), 14UL);
+    BOOST_CHECK_EQUAL(testInvalidOptions("overview=false&geometries=foo"), 14UL);
+    BOOST_CHECK_EQUAL(testInvalidOptions("overview=false&overview=foo"), 14UL);
+    BOOST_CHECK_EQUAL(testInvalidOptions("overview=false&alternative=foo"), 14UL);
+}
+
+BOOST_AUTO_TEST_CASE(valid_urls)
+{
+    engine::api::RouteParameters reference_1{};
+    auto result_1 = api::parseRouteParameters("");
+    BOOST_CHECK(result_1);
+    BOOST_CHECK_EQUAL(reference_1.steps, result_1->steps);
+    BOOST_CHECK_EQUAL(reference_1.alternative, result_1->alternative);
+    BOOST_CHECK_EQUAL(reference_1.geometries, result_1->geometries);
+    BOOST_CHECK_EQUAL(reference_1.overview, result_1->overview);
+    CHECK_EQUAL_RANGE(reference_1.uturns, result_1->uturns);
+    CHECK_EQUAL_RANGE(reference_1.bearings, result_1->bearings);
+    CHECK_EQUAL_RANGE(reference_1.radiuses, result_1->radiuses);
+    CHECK_EQUAL_RANGE(reference_1.coordinates, result_1->coordinates);
+
+    // bool steps = true;
+    // bool alternative = true;
+    // GeometriesType geometries = GeometriesType::Polyline;
+    // OverviewType overview = OverviewType::False;
+    // std::vector<boost::optional<bool>> uturns;
+
+    engine::api::RouteParameters reference_2{};
+    auto result_2 = api::parseRouteParameters(
+        "steps=true&alternative=true&geometries=polyline&overview=simplified");
+    BOOST_CHECK(result_2);
+    BOOST_CHECK_EQUAL(reference_2.steps, result_2->steps);
+    BOOST_CHECK_EQUAL(reference_2.alternative, result_2->alternative);
+    BOOST_CHECK_EQUAL(reference_2.geometries, result_2->geometries);
+    BOOST_CHECK_EQUAL(reference_2.overview, result_2->overview);
+    CHECK_EQUAL_RANGE(reference_2.uturns, result_2->uturns);
+    CHECK_EQUAL_RANGE(reference_2.bearings, result_2->bearings);
+    CHECK_EQUAL_RANGE(reference_2.radiuses, result_2->radiuses);
+    CHECK_EQUAL_RANGE(reference_2.coordinates, result_2->coordinates);
+
+    std::vector<boost::optional<bool>> uturns_3 = {true, false, boost::none};
+    engine::api::RouteParameters reference_3{
+        false, false, engine::api::RouteParameters::GeometriesType::GeoJSON,
+        engine::api::RouteParameters::OverviewType::False, uturns_3};
+    auto result_3 = api::parseRouteParameters(
+        "steps=false&alternative=false&geometries=geojson&overview=false&uturns=true;false;");
+    BOOST_CHECK(result_3);
+    BOOST_CHECK_EQUAL(reference_3.steps, result_3->steps);
+    BOOST_CHECK_EQUAL(reference_3.alternative, result_3->alternative);
+    BOOST_CHECK_EQUAL(reference_3.geometries, result_3->geometries);
+    BOOST_CHECK_EQUAL(reference_3.overview, result_3->overview);
+    CHECK_EQUAL_RANGE(reference_3.uturns, result_3->uturns);
+    CHECK_EQUAL_RANGE(reference_3.bearings, result_3->bearings);
+    CHECK_EQUAL_RANGE(reference_3.radiuses, result_3->radiuses);
+    CHECK_EQUAL_RANGE(reference_3.coordinates, result_3->coordinates);
+
+    std::vector<boost::optional<engine::Hint>> hints_4 = {
+        engine::Hint::FromBase64(
+            "rVghAzxMzABMAwAA5h4CAKMIAAAQAAAAGAAAAAYAAAAAAAAAch8BAJ4AAACpWCED_0vMAAEAAQGLSzmR"),
+        engine::Hint::FromBase64(
+            "_4ghA4JuzAD_IAAAo28BAOYAAAAzAAAAAgAAAEwAAAAAAAAAdIwAAJ4AAAAXiSEDfm7MAAEAAQGLSzmR"),
+        engine::Hint::FromBase64(
+            "03AhA0vnzAA_SAAA_____3wEAAAYAAAAQAAAAB4AAABAAAAAoUYBAJ4AAADlcCEDSefMAAMAAQGLSzmR")};
+    engine::api::RouteParameters reference_4{false,
+                                             true,
+                                             engine::api::RouteParameters::GeometriesType::Polyline,
+                                             engine::api::RouteParameters::OverviewType::Simplified,
+                                             std::vector<boost::optional<bool>>{},
+                                             std::vector<util::FixedPointCoordinate>{},
+                                             hints_4,
+                                             std::vector<boost::optional<double>>{},
+                                             std::vector<boost::optional<engine::api::BaseParameters::Bearing>>{}
+                                             };
+    auto result_4 = api::parseRouteParameters(
+        "steps=false&hints=rVghAzxMzABMAwAA5h4CAKMIAAAQAAAAGAAAAAYAAAAAAAAAch8BAJ4AAACpWCED_"
+        "0vMAAEAAQGLSzmR;_4ghA4JuzAD_"
+        "IAAAo28BAOYAAAAzAAAAAgAAAEwAAAAAAAAAdIwAAJ4AAAAXiSEDfm7MAAEAAQGLSzmR;03AhA0vnzAA_SAAA_____"
+        "3wEAAAYAAAAQAAAAB4AAABAAAAAoUYBAJ4AAADlcCEDSefMAAMAAQGLSzmR");
+    BOOST_CHECK(result_3);
+    BOOST_CHECK_EQUAL(reference_4.steps, result_4->steps);
+    BOOST_CHECK_EQUAL(reference_4.alternative, result_4->alternative);
+    BOOST_CHECK_EQUAL(reference_4.geometries, result_4->geometries);
+    BOOST_CHECK_EQUAL(reference_4.overview, result_4->overview);
+    CHECK_EQUAL_RANGE(reference_4.uturns, result_4->uturns);
+    CHECK_EQUAL_RANGE(reference_4.bearings, result_4->bearings);
+    CHECK_EQUAL_RANGE(reference_4.radiuses, result_4->radiuses);
+    CHECK_EQUAL_RANGE(reference_4.coordinates, result_4->coordinates);
+}
+
+BOOST_AUTO_TEST_SUITE_END()

unit_tests/server/url_parser.cpp

@@ -0,0 +1,110 @@
+#include "server/api/url_parser.hpp"
+
+#include <fstream>
+
+// needed for BOOST_CHECK_EQUAL
+namespace osrm
+{
+namespace server
+{
+namespace api
+{
+std::ostream& operator<<(std::ostream& out, const osrm::server::api::ParsedURL& url)
+{
+    out << url.service << ", " << url.version << ", " << url.profile << ", ";
+    for (auto c : url.coordinates)
+    {
+        out << c << " ";
+    }
+    out << ", " << url.options;
+
+    return out;
+}
+}
+}
+}
+
+
+#include <boost/test/unit_test.hpp>
+#include <boost/test/test_tools.hpp>
+
+#define CHECK_EQUAL_RANGE(R1, R2) \
+  BOOST_CHECK_EQUAL_COLLECTIONS(R1.begin(), R1.end(), R2.begin(), R2.end());
+
+BOOST_AUTO_TEST_SUITE(api_url_parser)
+
+using namespace osrm;
+using namespace osrm::server;
+
+// returns distance to front
+std::size_t testInvalidURL(std::string url)
+{
+    auto iter = url.begin();
+    auto result = api::parseURL(iter, url.end());
+    BOOST_CHECK(!result);
+    return std::distance(url.begin(), iter);
+}
+
+BOOST_AUTO_TEST_CASE(invalid_urls)
+{
+    BOOST_CHECK_EQUAL(testInvalidURL("/route/"), 0UL);
+    BOOST_CHECK_EQUAL(testInvalidURL("/route/bla"), 0UL);
+    BOOST_CHECK_EQUAL(testInvalidURL("/route/1/1,2;3;4"), 0UL);
+    BOOST_CHECK_EQUAL(testInvalidURL("/route/v1/pro_file/1,2;3,4"), 0UL);
+    BOOST_CHECK_EQUAL(testInvalidURL("/route/v1/profile"), 0UL);
+    BOOST_CHECK_EQUAL(testInvalidURL("/route/v1/profile/"), 0UL);
+}
+
+BOOST_AUTO_TEST_CASE(valid_urls)
+{
+    std::vector<util::FixedPointCoordinate> coords_1 = {
+        // lat,lon
+        util::FixedPointCoordinate(1 * COORDINATE_PRECISION, 0 * COORDINATE_PRECISION),
+        util::FixedPointCoordinate(3 * COORDINATE_PRECISION, 2 * COORDINATE_PRECISION),
+        util::FixedPointCoordinate(5 * COORDINATE_PRECISION, 4 * COORDINATE_PRECISION),
+    };
+    api::ParsedURL reference_1{"route", 1, "profile", coords_1, "options=value&foo=bar"};
+    auto result_1 = api::parseURL("/route/v1/profile/0,1;2,3;4,5?options=value&foo=bar");
+    BOOST_CHECK(result_1);
+    BOOST_CHECK_EQUAL(reference_1.service,     result_1->service);
+    BOOST_CHECK_EQUAL(reference_1.version,     result_1->version);
+    BOOST_CHECK_EQUAL(reference_1.profile,     result_1->profile);
+    CHECK_EQUAL_RANGE(reference_1.coordinates, result_1->coordinates);
+    BOOST_CHECK_EQUAL(reference_1.options,     result_1->options);
+
+    // no options
+    api::ParsedURL reference_2{"route", 1, "profile", coords_1, ""};
+    auto result_2 = api::parseURL("/route/v1/profile/0,1;2,3;4,5");
+    BOOST_CHECK(result_2);
+    BOOST_CHECK_EQUAL(reference_2.service,     result_2->service);
+    BOOST_CHECK_EQUAL(reference_2.version,     result_2->version);
+    BOOST_CHECK_EQUAL(reference_2.profile,     result_2->profile);
+    CHECK_EQUAL_RANGE(reference_2.coordinates, result_2->coordinates);
+    BOOST_CHECK_EQUAL(reference_2.options,     result_2->options);
+
+    // one coordinate
+    std::vector<util::FixedPointCoordinate> coords_3 = {
+        // lat,lon
+        util::FixedPointCoordinate(1 * COORDINATE_PRECISION, 0 * COORDINATE_PRECISION),
+    };
+    api::ParsedURL reference_3{"route", 1, "profile", coords_3, ""};
+    auto result_3 = api::parseURL("/route/v1/profile/0,1");
+    BOOST_CHECK(result_3);
+    BOOST_CHECK_EQUAL(reference_3.service,     result_3->service);
+    BOOST_CHECK_EQUAL(reference_3.version,     result_3->version);
+    BOOST_CHECK_EQUAL(reference_3.profile,     result_3->profile);
+    CHECK_EQUAL_RANGE(reference_3.coordinates, result_3->coordinates);
+    BOOST_CHECK_EQUAL(reference_3.options,     result_3->options);
+
+    // polyline
+    api::ParsedURL reference_5{"route", 1, "profile", coords_1, ""};
+    auto result_5 = api::parseURL("/route/v1/profile/polyline(_ibE?_seK_seK_seK_seK)?");
+    BOOST_CHECK(result_5);
+    BOOST_CHECK_EQUAL(reference_5.service,     result_5->service);
+    BOOST_CHECK_EQUAL(reference_5.version,     result_5->version);
+    BOOST_CHECK_EQUAL(reference_5.profile,     result_5->profile);
+    CHECK_EQUAL_RANGE(reference_5.coordinates, result_5->coordinates);
+    BOOST_CHECK_EQUAL(reference_5.options,     result_5->options);
+}
+
+BOOST_AUTO_TEST_SUITE_END()

unit_tests/server_tests.cpp

@@ -0,0 +1,7 @@
+#define BOOST_TEST_MODULE server tests
+
+#include <boost/test/unit_test.hpp>
+
+/*
+ * This file will contain an automatically generated main function.
+ */

unit_tests/util/tiles.cpp

@@ -0,0 +1,74 @@
+#include "util/tiles.hpp"
+
+using namespace osrm::util;
+
+#include <boost/functional/hash.hpp>
+#include <boost/test/unit_test.hpp>
+#include <boost/test/test_case_template.hpp>
+
+#include <iostream>
+
+BOOST_AUTO_TEST_SUITE(tiles_test)
+
+using namespace osrm;
+using namespace osrm::util;
+
+BOOST_AUTO_TEST_CASE(point_to_tile_test)
+{
+    tiles::Tile tile_1_reference{2306375680,1409941503,32};
+    tiles::Tile tile_2_reference{2308259840,1407668224,32};
+    tiles::Tile tile_3_reference{616562688,2805989376,32};
+    tiles::Tile tile_4_reference{1417674752,2084569088,32};
+    tiles::Tile tile_5_reference{616562688,2805989376,32};
+    tiles::Tile tile_6_reference{712654285,2671662374,32};
+
+    auto tile_1 = tiles::pointToTile(13.31817626953125,52.449314140869696);
+    auto tile_2 = tiles::pointToTile(13.476104736328125,52.56529070208021);
+    auto tile_3 = tiles::pointToTile(-128.32031249999997,-48.224672649565186);
+    auto tile_4 = tiles::pointToTile(-61.17187499999999,5.266007882805498);
+    auto tile_5 = tiles::pointToTile(-128.32031249999997,-48.224672649565186);
+    auto tile_6 = tiles::pointToTile(-120.266007882805532,-40.17187499999999);
+    BOOST_CHECK_EQUAL(tile_1.x, tile_1_reference.x);
+    BOOST_CHECK_EQUAL(tile_1.y, tile_1_reference.y);
+    BOOST_CHECK_EQUAL(tile_1.z, tile_1_reference.z);
+    BOOST_CHECK_EQUAL(tile_2.x, tile_2_reference.x);
+    BOOST_CHECK_EQUAL(tile_2.y, tile_2_reference.y);
+    BOOST_CHECK_EQUAL(tile_2.z, tile_2_reference.z);
+    BOOST_CHECK_EQUAL(tile_3.x, tile_3_reference.x);
+    BOOST_CHECK_EQUAL(tile_3.y, tile_3_reference.y);
+    BOOST_CHECK_EQUAL(tile_3.z, tile_3_reference.z);
+    BOOST_CHECK_EQUAL(tile_4.x, tile_4_reference.x);
+    BOOST_CHECK_EQUAL(tile_4.y, tile_4_reference.y);
+    BOOST_CHECK_EQUAL(tile_4.z, tile_4_reference.z);
+    BOOST_CHECK_EQUAL(tile_5.x, tile_5_reference.x);
+    BOOST_CHECK_EQUAL(tile_5.y, tile_5_reference.y);
+    BOOST_CHECK_EQUAL(tile_5.z, tile_5_reference.z);
+    BOOST_CHECK_EQUAL(tile_6.x, tile_6_reference.x);
+    BOOST_CHECK_EQUAL(tile_6.y, tile_6_reference.y);
+    BOOST_CHECK_EQUAL(tile_6.z, tile_6_reference.z);
+}
+
+// Verify that the bearing-bounds checking function behaves as expected
+BOOST_AUTO_TEST_CASE(bounding_box_to_tile_test)
+{
+    tiles::Tile tile_1_reference{17, 10, 5};
+    tiles::Tile tile_2_reference{0, 0, 0};
+    tiles::Tile tile_3_reference{0, 2, 2};
+    auto tile_1 = tiles::getBBMaxZoomTile(13.31817626953125, 52.449314140869696,
+                                          13.476104736328125, 52.56529070208021);
+    auto tile_2 = tiles::getBBMaxZoomTile(-128.32031249999997, -48.224672649565186,
+                                          -61.17187499999999, 5.266007882805498);
+    auto tile_3 = tiles::getBBMaxZoomTile(-128.32031249999997, -48.224672649565186,
+                                          -120.2660078828055, -40.17187499999999);
+    BOOST_CHECK_EQUAL(tile_1.x, tile_1_reference.x);
+    BOOST_CHECK_EQUAL(tile_1.y, tile_1_reference.y);
+    BOOST_CHECK_EQUAL(tile_1.z, tile_1_reference.z);
+    BOOST_CHECK_EQUAL(tile_2.x, tile_2_reference.x);
+    BOOST_CHECK_EQUAL(tile_2.y, tile_2_reference.y);
+    BOOST_CHECK_EQUAL(tile_2.z, tile_2_reference.z);
+    BOOST_CHECK_EQUAL(tile_3.x, tile_3_reference.x);
+    BOOST_CHECK_EQUAL(tile_3.y, tile_3_reference.y);
+    BOOST_CHECK_EQUAL(tile_3.z, tile_3_reference.z);
+}
+
+BOOST_AUTO_TEST_SUITE_END()