Merge pull request #6 from gramakri/master

agent.addRequest parameters have changed

index.js

@@ -67,24 +67,33 @@ function TunnelingAgent(options) {
 }
 util.inherits(TunnelingAgent, events.EventEmitter)
 
-TunnelingAgent.prototype.addRequest = function addRequest(req, host, port) {
+TunnelingAgent.prototype.addRequest = function addRequest(req, options) {
   var self = this
 
+   // Legacy API: addRequest(req, host, port, path)
+  if (typeof options === 'string') {
+    options = {
+      host: options,
+      port: arguments[2],
+      path: arguments[3]
+    };
+  }
+
   if (self.sockets.length >= this.maxSockets) {
     // We are over limit so we'll add it to the queue.
     self.requests.push({host: host, port: port, request: req})
     return
   }
 
   // If we are under maxSockets create a new one.
-  self.createSocket({host: host, port: port, request: req}, function(socket) {
+  self.createSocket({host: options.host, port: options.port, request: req}, function(socket) {
     socket.on('free', onFree)
     socket.on('close', onCloseOrRemove)
     socket.on('agentRemove', onCloseOrRemove)
     req.onSocket(socket)
 
     function onFree() {
-      self.emit('free', socket, host, port)
+      self.emit('free', socket, options.host, options.port)
     }
 
     function onCloseOrRemove(err) {