132 lines
4.4 KiB
C++
132 lines
4.4 KiB
C++
/*
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Copyright (c) 2013, Project OSRM, Dennis Luxen, others
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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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#include "OSRM.h"
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OSRM::OSRM( const ServerPaths & server_paths, const bool use_shared_memory )
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:
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use_shared_memory(use_shared_memory)
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{
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if( !use_shared_memory ) {
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query_data_facade = new InternalDataFacade<QueryEdge::EdgeData>(
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server_paths
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);
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} else {
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query_data_facade = new SharedDataFacade<QueryEdge::EdgeData>( );
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}
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//The following plugins handle all requests.
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RegisterPlugin(
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new HelloWorldPlugin()
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);
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RegisterPlugin(
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new LocatePlugin<BaseDataFacade<QueryEdge::EdgeData> >(
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query_data_facade
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)
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);
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RegisterPlugin(
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new NearestPlugin<BaseDataFacade<QueryEdge::EdgeData> >(
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query_data_facade
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)
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);
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RegisterPlugin(
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new TimestampPlugin<BaseDataFacade<QueryEdge::EdgeData> >(
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query_data_facade
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)
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);
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RegisterPlugin(
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new ViaRoutePlugin<BaseDataFacade<QueryEdge::EdgeData> >(
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query_data_facade
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)
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);
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}
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OSRM::~OSRM() {
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BOOST_FOREACH(PluginMap::value_type & plugin_pointer, plugin_map) {
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delete plugin_pointer.second;
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}
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}
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void OSRM::RegisterPlugin(BasePlugin * plugin) {
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SimpleLogger().Write() << "loaded plugin: " << plugin->GetDescriptor();
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if( plugin_map.find(plugin->GetDescriptor()) != plugin_map.end() ) {
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delete plugin_map.find(plugin->GetDescriptor())->second;
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}
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plugin_map.emplace(plugin->GetDescriptor(), plugin);
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}
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void OSRM::RunQuery(RouteParameters & route_parameters, http::Reply & reply) {
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const PluginMap::const_iterator & iter = plugin_map.find(
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route_parameters.service
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);
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if(plugin_map.end() != iter) {
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reply.status = http::Reply::ok;
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if( use_shared_memory ) {
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// lock update pending
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boost::interprocess::scoped_lock<
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boost::interprocess::named_mutex
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> pending_lock(barrier.pending_update_mutex);
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// lock query
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boost::interprocess::scoped_lock<
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boost::interprocess::named_mutex
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> query_lock(barrier.query_mutex);
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// unlock update pending
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pending_lock.unlock();
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// increment query count
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++(barrier.number_of_queries);
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(static_cast<SharedDataFacade<QueryEdge::EdgeData>* >(query_data_facade))->CheckAndReloadFacade();
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}
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iter->second->HandleRequest(route_parameters, reply );
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if( use_shared_memory ) {
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// lock query
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boost::interprocess::scoped_lock<
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boost::interprocess::named_mutex
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> query_lock(barrier.query_mutex);
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// decrement query count
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--(barrier.number_of_queries);
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BOOST_ASSERT_MSG(
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0 <= barrier.number_of_queries,
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"invalid number of queries"
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);
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// notify all processes that were waiting for this condition
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if (0 == barrier.number_of_queries) {
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barrier.no_running_queries_condition.notify_all();
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}
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}
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} else {
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reply = http::Reply::stockReply(http::Reply::badRequest);
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}
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}
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