Open-Harbor/osrm-backend
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First implementation. Needs sanity checks if nothing is found.

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DennisOSRM 2012-05-03 23:48:20 +02:00
parent 819c1729f1
commit cacf8f17d3
1 changed files with 32 additions and 12 deletions
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44
Plugins/NearestPlugin.h
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@ -37,31 +37,41 @@ or see http://www.gnu.org/licenses/agpl.txt.
*/
class NearestPlugin : public BasePlugin {
public:
NearestPlugin(QueryObjectsStorage * objects) {
NearestPlugin(QueryObjectsStorage * objects) : names(objects->names) {
nodeHelpDesk = objects->nodeHelpDesk;
descriptorTable.Set("", 0); //default descriptor
descriptorTable.Set("kml", 0);
descriptorTable.Set("json", 1);
}
std::string GetDescriptor() const { return std::string("nearest"); }
std::string GetVersionString() const { return std::string("0.3 (DL)"); }
void HandleRequest(const RouteParameters & routeParameters, http::Reply& reply) {
INFO("1");
//check number of parameters
if(routeParameters.parameters.size() != 2) {
if(!routeParameters.viaPoints.size()) {
reply = http::Reply::stockReply(http::Reply::badRequest);
INFO("2, size: " << routeParameters.viaPoints.size());
return;
}
std::vector<std::string> textCoord;
stringSplit (routeParameters.viaPoints[0], ',', textCoord);
if(textCoord.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) {
int lat = 100000.*atof(textCoord[0].c_str());
int lon = 100000.*atof(textCoord[1].c_str());
_Coordinate myCoordinate(lat, lon);
if(false == checkCoord(myCoordinate)) {
reply = http::Reply::stockReply(http::Reply::badRequest);
INFO("3");
return;
}
INFO("4");
//query to helpdesk
_Coordinate result;
nodeHelpDesk->FindNearestPointOnEdge(_Coordinate(lat, lon), result);
PhantomNode result;
nodeHelpDesk->FindPhantomNodeForCoordinate(myCoordinate, result);
std::string tmp;
std::string JSONParameter;
@ -78,13 +88,15 @@ public:
reply.content += ("\"version\":0.3,");
reply.content += ("\"status\":0,");
reply.content += ("\"result\":");
convertInternalLatLonToString(result.lat, tmp);
convertInternalLatLonToString(result.location.lat, tmp);
reply.content += "[";
reply.content += tmp;
convertInternalLatLonToString(result.lon, tmp);
convertInternalLatLonToString(result.location.lon, tmp);
reply.content += ", ";
reply.content += tmp;
reply.content += "]";
reply.content += "], \"name\": \"";
reply.content += names[result.nodeBasedEdgeNameID];
reply.content += "\"";
reply.content += ",\"transactionId\": \"OSRM Routing Engine JSON Nearest (v0.3)\"";
reply.content += ("}");
reply.headers.resize(3);
@ -105,8 +117,16 @@ public:
reply.headers[0].value = tmp;
}
private:
inline bool checkCoord(const _Coordinate & c) {
if(c.lat > 90*100000 || c.lat < -90*100000 || c.lon > 180*100000 || c.lon <-180*100000) {
return false;
}
return true;
}
NodeInformationHelpDesk * nodeHelpDesk;
HashTable<std::string, unsigned> descriptorTable;
std::vector<std::string> & names;
};
#endif /* NearestPlugin_H_ */