Merge pull request dpallot#17 from lrozema/master

Only include sockets in the writers of select that actually want to send something.

Author: dpallot

SimpleWebSocketServer/SimpleWebSocketServer.py

@@ -577,7 +577,16 @@ def close(self):
 
    def serveforever(self):
       while True:
-         rList, wList, xList = select(self.listeners, self.listeners, self.listeners, 3)	
+         writers = []
+         for fileno in self.listeners:
+            try:
+               client = self.connections[fileno]
+               if client.sendq:
+                  writers.append(fileno)
+            except Exception as n:
+               pass
+         
+         rList, wList, xList = select(self.listeners, writers, self.listeners)
 
          for ready in wList:
             client = None
@@ -707,4 +716,4 @@ def _constructWebSocket(self, sock, address):
 
    def serveforever(self):
       super(SimpleSSLWebSocketServer, self).serveforever()
-        
+