use 'once' on some event handlers

feross · feross · commit b2cbfafae7f4 · 2016-09-16T07:49:29.000-07:00
diff --git a/lib/client/websocket-tracker.js b/lib/client/websocket-tracker.js
@@ -169,12 +169,12 @@ WebSocketTracker.prototype._openSocket = function () {
   } else {
     self.socket = socketPool[self.announceUrl] = new Socket(self.announceUrl)
     self.socket.consumers = 1
-    self.socket.on('connect', self._onSocketConnectBound)
+    self.socket.once('connect', self._onSocketConnectBound)
   }
 
   self.socket.on('data', self._onSocketDataBound)
-  self.socket.on('close', self._onSocketCloseBound)
-  self.socket.on('error', self._onSocketErrorBound)
+  self.socket.once('close', self._onSocketCloseBound)
+  self.socket.once('error', self._onSocketErrorBound)
 }
 
 WebSocketTracker.prototype._onSocketConnect = function () {

Original file line number	Diff line number	Diff line change
`@@ -169,12 +169,12 @@ WebSocketTracker.prototype._openSocket = function () {`
`169`	`169`	`} else {`
`170`	`170`	`self.socket = socketPool[self.announceUrl] = new Socket(self.announceUrl)`
`171`	`171`	`self.socket.consumers = 1`
`172`		`- self.socket.on('connect', self._onSocketConnectBound)`
	`172`	`+ self.socket.once('connect', self._onSocketConnectBound)`
`173`	`173`	`}`
`174`	`174`
`175`	`175`	`self.socket.on('data', self._onSocketDataBound)`
`176`		`- self.socket.on('close', self._onSocketCloseBound)`
`177`		`- self.socket.on('error', self._onSocketErrorBound)`
	`176`	`+ self.socket.once('close', self._onSocketCloseBound)`
	`177`	`+ self.socket.once('error', self._onSocketErrorBound)`
`178`	`178`	`}`
`179`	`179`
`180`	`180`	`WebSocketTracker.prototype._onSocketConnect = function () {`