osrm-backend/src/server/service/nearest_service.cpp

73 lines
2.4 KiB
C++

#include "server/service/nearest_service.hpp"
#include "server/service/utils.hpp"
#include "server/api/parameters_parser.hpp"
#include "engine/api/nearest_parameters.hpp"
#include "util/json_container.hpp"
#include <boost/format.hpp>
#include <iostream>
namespace osrm::server::service
{
namespace
{
std::string getWrongOptionHelp(const engine::api::NearestParameters &parameters)
{
std::string help;
const auto coord_size = parameters.coordinates.size();
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, "approaches", parameters.approaches, coord_size, help);
return help;
}
} // namespace
engine::Status NearestService::RunQuery(std::size_t prefix_length,
std::string &query,
osrm::engine::api::ResultT &result)
{
std::cout << "running query: " << query << "\n";
result = util::json::Object();
auto &json_result = std::get<util::json::Object>(result);
auto query_iterator = query.begin();
auto parameters =
api::parseParameters<engine::api::NearestParameters>(query_iterator, query.end());
if (!parameters || query_iterator != query.end())
{
const auto position = std::distance(query.begin(), query_iterator);
json_result.values["code"] = "InvalidQuery";
json_result.values["message"] =
"Query string malformed close to position " + std::to_string(prefix_length + position);
return engine::Status::Error;
}
BOOST_ASSERT(parameters);
if (!parameters->IsValid())
{
json_result.values["code"] = "InvalidOptions";
json_result.values["message"] = getWrongOptionHelp(*parameters);
return engine::Status::Error;
}
BOOST_ASSERT(parameters->IsValid());
if (parameters->format)
{
if (parameters->format == engine::api::BaseParameters::OutputFormatType::FLATBUFFERS)
{
result = flatbuffers::FlatBufferBuilder();
}
}
return BaseService::routing_machine.Nearest(*parameters, result);
}
} // namespace osrm::server::service