[fix] Memory leak hunting.

Author: indexzero

lib/node-http-proxy.js

@@ -174,6 +174,14 @@ exports.buffer = function (obj) {
       obj.removeListener('data', onData);
       obj.removeListener('end', onEnd);
     },
+    destroy: function () {
+      this.end();
+     	this.resume = function () {
+     	  console.error("Cannot resume buffer after destroying it.");
+     	};
+     	
+     	onData = onEnd = events = obj = null;
+    },
     resume: function () {
       this.end();
       for (var i = 0, len = events.length; i < len; ++i) {

lib/node-http-proxy/http-proxy.js

@@ -279,9 +279,13 @@ HttpProxy.prototype.proxyRequest = function (req, res, buffer) {
     }
   });
 
+  //
   // If we have been passed buffered data, resume it.
-  if (buffer && !errState) {
-    buffer.resume();
+  //
+  if (buffer) {
+    return !errState
+      ? buffer.resume()
+      : buffer.destroy();
   }
 };
 
@@ -419,6 +423,7 @@ HttpProxy.prototype.proxyWebSocketRequest = function (req, socket, head, buffer)
           reverseProxy.incoming.socket.write(data);
         }
         catch (ex) {
+          detach();
           reverseProxy.incoming.socket.end();
           proxySocket.end();
         }
@@ -429,12 +434,13 @@ HttpProxy.prototype.proxyWebSocketRequest = function (req, socket, head, buffer)
     // Any outgoing data on this Websocket from the proxy target
     // will be written to the `proxySocket` socket.
     //
-    reverseProxy.incoming.socket.on('data', listeners.onOutgoing = function(data) {
+    reverseProxy.incoming.socket.on('data', listeners.onOutgoing = function (data) {
       try {
         self.emit('websocket:incoming', reverseProxy, reverseProxy.incoming, head, data);
         proxySocket.write(data);
       }
       catch (ex) {
+        detach();
         proxySocket.end();
         socket.end();
       }
@@ -625,7 +631,9 @@ HttpProxy.prototype.proxyWebSocketRequest = function (req, socket, head, buffer)
   //
   // If we have been passed buffered data, resume it.
   //
-  if (buffer && !errState) {
-    buffer.resume();
+  if (buffer) {
+    return !errState
+      ? buffer.resume()
+      : buffer.destroy();
   }
 };