From 1744e69214c99be5f8ee5d9fa9b2964b73b6489f Mon Sep 17 00:00:00 2001
From: DennisOSRM <luxen@kit.edu>
Date: Fri, 17 Feb 2012 08:34:52 +0100
Subject: [PATCH] checksum is transmitted to the client.

---
 Descriptors/JSONDescriptor.h | 11 ++++++++---
 Plugins/RawRouteData.h       |  1 +
 Plugins/ViaRoutePlugin.h     |  4 ++--
 3 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/Descriptors/JSONDescriptor.h b/Descriptors/JSONDescriptor.h
index 275f629d3..37e2aabc6 100644
--- a/Descriptors/JSONDescriptor.h
+++ b/Descriptors/JSONDescriptor.h
@@ -151,8 +151,8 @@ public:
 		reply.content += "],";
 		//list all viapoints so that the client may display it
 		reply.content += "\"via_points\":[";
+        std::string tmp;
 		if(true == config.geometry) {
-			std::string tmp;
 			for(unsigned segmentIdx = 1; segmentIdx < rawRoute.segmentEndCoordinates.size(); ++segmentIdx) {
 				if(segmentIdx > 1)
 					reply.content += ",";
@@ -166,8 +166,13 @@ public:
 				reply.content += "]";
 			}
 		}
-		reply.content += "],"
-				"\"transactionId\": \"OSRM Routing Engine JSON Descriptor (v0.3)\"";
+		reply.content += "],";
+        reply.content += "\"route_data\": {";
+        reply.content += "\"checksum\":";
+        intToString(rawRoute.checkSum, tmp);
+        reply.content += tmp;
+        reply.content += "},";
+		reply.content += "\"transactionId\": \"OSRM Routing Engine JSON Descriptor (v0.3)\"";
 		reply.content += "}";
 	}
 
diff --git a/Plugins/RawRouteData.h b/Plugins/RawRouteData.h
index 8ace4070c..4a6f53a43 100644
--- a/Plugins/RawRouteData.h
+++ b/Plugins/RawRouteData.h
@@ -25,6 +25,7 @@ struct RawRouteData {
     std::vector< _PathData > computedRouted;
     std::vector< PhantomNodes > segmentEndCoordinates;
     std::vector< _Coordinate > rawViaNodeCoordinates;
+    unsigned checkSum;
 };
 
 #endif /* RAWROUTEDATA_H_ */
diff --git a/Plugins/ViaRoutePlugin.h b/Plugins/ViaRoutePlugin.h
index 8ddb4a017..d5ba127cb 100644
--- a/Plugins/ViaRoutePlugin.h
+++ b/Plugins/ViaRoutePlugin.h
@@ -94,7 +94,7 @@ public:
         _Coordinate startCoord(lat1, lon1);
         _Coordinate targetCoord(lat2, lon2);
         RawRouteData rawRoute;
-
+        rawRoute.checkSum = nodeHelpDesk->GetCheckSum();
         if(false == checkCoord(startCoord) || false == checkCoord(targetCoord)) {
             reply = http::Reply::stockReply(http::Reply::badRequest);
             return;
@@ -152,7 +152,7 @@ public:
         std::string JSONParameter = routeParameters.options.Find("jsonp");
         if("" != JSONParameter) {
             reply.content += JSONParameter;
-            reply.content += "(\n";
+            reply.content += "(";
         }
 
         _DescriptorConfig descriptorConfig;