Add a unique request id to the request/complete info log

This will allow us to match the start and end of the request and easilly see if
we have unmatched pair. (and calculate duration just from those logs)

connection_scan_algorithm/src/transit_routing_http_server.cpp

@@ -455,7 +455,8 @@ int main(int argc, char** argv) {
   // Routing request for a single origin destination
   // TODO Copy-pasted and adapted from /route/v1/transit. There's still a lot of common code. Application code should be extracted to common functions outside the web server
   server.resource["^/v2/route[/]?$"]["GET"]=[&server, &calculator, &dataStatus, &transitData](std::shared_ptr<HttpServer::Response> serverResponse, std::shared_ptr<HttpServer::Request> request) {
-
+    // Have a global id to match the requests in the logs
+    static int routeRequestId = 0;
     std::string response = getFastErrorResponse(dataStatus);
 
     if (!response.empty()) {
@@ -476,8 +477,8 @@ int main(int argc, char** argv) {
     {
       parametersWithValues.push_back(std::make_pair(field.first, field.second));
     }
-
-    spdlog::info("-- calculating route request --");
+    int currentRequestId = routeRequestId++;
+    spdlog::info("-- calculating route request -- {}", currentRequestId);
 
     try
     {
@@ -497,10 +498,12 @@ int main(int argc, char** argv) {
           }
         }
 
-        spdlog::info("-- route request complete --");
+        spdlog::info("-- route request complete -- {}", currentRequestId);
 
       } catch (NoRoutingFoundException &e) {
         response = ResultToV2Response::noRoutingFoundResponse(queryParams, e.getReason()).dump(2);
+        spdlog::info("-- route request not found -- {}", currentRequestId);
+
       }
 
       *serverResponse << "HTTP/1.1 200 OK\r\nAccess-Control-Allow-Origin: *\r\nContent-Type: application/json; charset=utf-8\r\nContent-Length: " << response.length() << "\r\n\r\n" << response;