Add support for tile plugin

src/server/service/tile_service.cpp

@@ -0,0 +1,51 @@
+#include "server/service/tile_service.hpp"
+#include "server/service/utils.hpp"
+
+#include "engine/api/tile_parameters.hpp"
+#include "server/api/parameters_parser.hpp"
+
+#include "util/json_container.hpp"
+
+#include <boost/format.hpp>
+
+namespace osrm
+{
+namespace server
+{
+namespace service
+{
+
+engine::Status TileService::RunQuery(std::string &query, ResultT &result)
+{
+    auto query_iterator = query.begin();
+    auto parameters =
+        api::parseParameters<engine::api::TileParameters>(query_iterator, query.end());
+    if (!parameters || query_iterator != query.end())
+    {
+        const auto position = std::distance(query.begin(), query_iterator);
+        result = util::json::Object();
+        auto &json_result = result.get<util::json::Object>();
+        json_result.values["code"] = "invalid-query";
+        json_result.values["message"] =
+            "Query string malformed close to position " + std::to_string(position);
+        return engine::Status::Error;
+    }
+    BOOST_ASSERT(parameters);
+
+    if (!parameters->IsValid())
+    {
+        result = util::json::Object();
+        auto &json_result = result.get<util::json::Object>();
+        json_result.values["code"] = "invalid-options";
+        json_result.values["message"] = "Invalid coodinates. Only zoomlevel 12+ is supported";
+        return engine::Status::Error;
+    }
+    BOOST_ASSERT(parameters->IsValid());
+
+    result = std::string();
+    auto &string_result = result.get<std::string>();
+    return BaseService::routing_machine.Tile(*parameters, string_result);
+}
+}
+}
+}