Work around uint32_t stringstream problems in other plugins (#428)

* work around stringstream issueon Node 7

* work around uint32 stringstream problems in other plugins

* work around uint32 stringstream problems in other plugins

Author: sjanuary

src/plugins/node/env/nodeenvplugin.cpp

@@ -252,15 +252,16 @@ static void GetNodeInformation(uv_async_t *async, int status) {
 			contentss << "runtime.name=" << plugin::nodeName << '\n';
 		}
 
-		contentss << "heap.size.limit=" << plugin::heapSizeLimit << '\n';
+    // Cast the next 4 integers to uint64_t to work around a bug pushing uint32_t into stringstreams on Windows7/Node.js 7.7.3+
+		contentss << "heap.size.limit=" << static_cast<uint64_t>(plugin::heapSizeLimit) << '\n';
 		if (plugin::maxSemiSpaceSizeGuess > 0) {
-			contentss << "max.semi.space.size=" << plugin::maxSemiSpaceSizeGuess << '\n';
+			contentss << "max.semi.space.size=" << static_cast<uint64_t>(plugin::maxSemiSpaceSizeGuess) << '\n';
 		}
 		if (plugin::maxOldSpaceSizeGuess > 0) {
-			contentss << "max.old.space.size=" << plugin::maxOldSpaceSizeGuess << '\n';
+			contentss << "max.old.space.size=" << static_cast<uint64_t>(plugin::maxOldSpaceSizeGuess) << '\n';
 		}
 		if (plugin::maxHeapSizeGuess > 0) {
-			contentss << "max.heap.size=" << plugin::maxHeapSizeGuess << '\n';
+			contentss << "max.heap.size=" << static_cast<uint64_t>(plugin::maxHeapSizeGuess) << '\n';
 		}
 
 

src/plugins/node/gc/nodegcplugin.cpp

@@ -156,8 +156,8 @@ void afterGC(GCType type, GCCallbackFlags flags) {
 	contentss << "NodeGCData";
 	contentss << "," << gcRealEnd; 
 	contentss << "," << gcType;
-	contentss << "," << hs.total_heap_size();
-	contentss << "," << hs.used_heap_size();
+	contentss << "," << static_cast<uint64_t>(hs.total_heap_size());
+	contentss << "," << static_cast<uint64_t>(hs.used_heap_size());
 	contentss << "," << gcDuration;
 	contentss << '\n';
 

src/plugins/node/heap/nodeheapplugin.cpp

@@ -68,8 +68,8 @@ static void GetHeapInformation(uv_timer_s *data, int status) {
 
 	std::stringstream contentss;
 	contentss << "NodeHeapData";
-	contentss << "," << hs.total_heap_size();
-	contentss << "," << hs.used_heap_size();
+	contentss << "," <<  static_cast<uint64_t>(hs.total_heap_size());
+	contentss << "," <<  static_cast<uint64_t>(hs.used_heap_size());
 	contentss << '\n';
 
 	std::string content = contentss.str();