98 lines
3.1 KiB
C++
98 lines
3.1 KiB
C++
/*
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Copyright (c) 2016, Project OSRM contributors
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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Redistributions of source code must retain the above copyright notice, this list
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of conditions and the following disclaimer.
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Redistributions in binary form must reproduce the above copyright notice, this
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list of conditions and the following disclaimer in the documentation and/or
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other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef ENGINE_CONFIG_HPP
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#define ENGINE_CONFIG_HPP
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#include "storage/storage_config.hpp"
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#include <boost/filesystem/path.hpp>
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#include <string>
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namespace osrm
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{
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namespace engine
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{
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/**
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* Configures an OSRM instance.
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*
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* You can customize the storage OSRM uses for auxiliary files specifying a storage config.
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*
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* You can further set service constraints.
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* These are the maximum number of allowed locations (-1 for unlimited) for the services:
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* - Trip
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* - Route
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* - Table
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* - Match
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* - Nearest
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*
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* In addition, shared memory can be used for datasets loaded with osrm-datastore.
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*
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* You can chose between three algorithms:
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* - Algorithm::CH
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* Contraction Hierarchies, extremely fast queries but slow pre-processing. The default right
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* now.
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* - Algorithm::CoreCH
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* Contractoin Hierachies with partial contraction for faster pre-processing but slower queries.
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* - Algorithm::MLD
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* Multi Level Dijkstra which is experimental and moderately fast in both pre-processing and
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* query.
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*
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* Algorithm::CH is specified we will automatically upgrade to CoreCH if we find the data for it.
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* If Algorithm::CoreCH is specified and we don't find the speedup data, we fail hard.
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*
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* \see OSRM, StorageConfig
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*/
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struct EngineConfig final
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{
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bool IsValid() const;
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enum class Algorithm
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{
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CH, // will upgrade to CoreCH if it finds core data
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CoreCH, // will fail hard if there is no core data
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MLD
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};
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storage::StorageConfig storage_config;
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int max_locations_trip = -1;
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int max_locations_viaroute = -1;
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int max_locations_distance_table = -1;
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int max_locations_map_matching = -1;
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int max_results_nearest = -1;
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int max_alternatives = 3; // set an arbitrary upper bound; can be adjusted by user
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bool use_shared_memory = true;
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Algorithm algorithm = Algorithm::CH;
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};
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}
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}
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#endif // SERVER_CONFIG_HPP
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