98 lines
3.4 KiB
C++
98 lines
3.4 KiB
C++
/*
|
|
open source routing machine
|
|
Copyright (C) Dennis Luxen, 2010
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU AFFERO General Public License as published by
|
|
the Free Software Foundation; either version 3 of the License, or
|
|
any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Affero General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
or see http://www.gnu.org/licenses/agpl.txt.
|
|
*/
|
|
|
|
#ifndef LOCATEPLUGIN_H_
|
|
#define LOCATEPLUGIN_H_
|
|
|
|
#include <fstream>
|
|
|
|
#include "BasePlugin.h"
|
|
#include "RouteParameters.h"
|
|
|
|
#include "../DataStructures/NodeInformationHelpDesk.h"
|
|
|
|
/*
|
|
* This Plugin locates the nearest node in the road network for a given coordinate.
|
|
*/
|
|
class LocatePlugin : public BasePlugin {
|
|
public:
|
|
LocatePlugin(std::string ramIndexPath, std::string fileIndexPath, std::string nodesPath) {
|
|
nodeHelpDesk = new NodeInformationHelpDesk(ramIndexPath.c_str(), fileIndexPath.c_str());
|
|
ifstream nodesInStream(nodesPath.c_str(), ios::binary);
|
|
nodeHelpDesk->initNNGrid(nodesInStream);
|
|
}
|
|
~LocatePlugin() {
|
|
delete nodeHelpDesk;
|
|
}
|
|
std::string GetDescriptor() { return std::string("locate"); }
|
|
std::string GetVersionString() { return std::string("0.3 (DL)"); }
|
|
void HandleRequest(RouteParameters routeParameters, http::Reply& reply) {
|
|
//check number of parameters
|
|
if(routeParameters.parameters.size() != 2) {
|
|
reply = http::Reply::stockReply(http::Reply::badRequest);
|
|
return;
|
|
}
|
|
|
|
int lat = static_cast<int>(100000.*atof(routeParameters.parameters[0].c_str()));
|
|
int lon = static_cast<int>(100000.*atof(routeParameters.parameters[1].c_str()));
|
|
|
|
if(lat>90*100000 || lat <-90*100000 || lon>180*100000 || lon <-180*100000) {
|
|
reply = http::Reply::stockReply(http::Reply::badRequest);
|
|
return;
|
|
}
|
|
//query to helpdesk
|
|
_Coordinate result;
|
|
nodeHelpDesk->FindNearestNodeCoordForLatLon(_Coordinate(lat, lon), result);
|
|
|
|
//Write to stream
|
|
reply.status = http::Reply::ok;
|
|
reply.content.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
|
|
reply.content.append("<kml xmlns=\"http://www.opengis.net/kml/2.2\">");
|
|
reply.content.append("<Placemark>");
|
|
|
|
std::stringstream out1;
|
|
out1 << setprecision(10);
|
|
out1 << "<name>Nearest Place in map to " << lat/100000. << "," << lon/100000. << "</name>";
|
|
reply.content.append(out1.str());
|
|
reply.content.append("<Point>");
|
|
|
|
std::stringstream out2;
|
|
out2 << setprecision(10);
|
|
out2 << "<coordinates>" << result.lon / 100000. << "," << result.lat / 100000. << "</coordinates>";
|
|
reply.content.append(out2.str());
|
|
reply.content.append("</Point>");
|
|
reply.content.append("</Placemark>");
|
|
reply.content.append("</kml>");
|
|
|
|
reply.headers.resize(3);
|
|
reply.headers[0].name = "Content-Length";
|
|
reply.headers[0].value = boost::lexical_cast<std::string>(reply.content.size());
|
|
reply.headers[1].name = "Content-Type";
|
|
reply.headers[1].value = "application/vnd.google-earth.kml+xml";
|
|
reply.headers[2].name = "Content-Disposition";
|
|
reply.headers[2].value = "attachment; filename=\"placemark.kml\"";
|
|
return;
|
|
}
|
|
private:
|
|
NodeInformationHelpDesk * nodeHelpDesk;
|
|
};
|
|
|
|
#endif /* LOCATEPLUGIN_H_ */
|