gourneau/simple.html

## simple.html
<html>
<body>
<script>
      var myWebSocket = new WebSocket("ws://127.0.0.1:8080/ws/echo");

      myWebSocket.onopen = function(evt) {
		alert("Connection open ...");
	 };

      myWebSocket.onmessage = function(evt) {
	    //alert( "Received Message:  "  +  evt.data);
	    document.getElementById('msg').innerHTML=evt.data;
      };
      myWebSocket.onclose = function(evt) { alert("Connection closed."); };
</script>

      <div id="msg"></div>
	    <input type="text" id="data">
	    <input type="button" onclick="myWebSocket.send(document.getElementById('data').value)" value="send">
      </body>

</html>

## twisted websockets.py
from twisted.internet import reactor
from twisted.web.websocket import WebSocketHandler, WebSocketResource
from twisted.web.server import Site
from twisted.web.static import File
from twisted.internet.task import LoopingCall
from twisted.python import log
import sys
import random

instances = []

class Echohandler(WebSocketHandler):

    def frameReceived(self, frame):
        self.sendFrame(frame)

def echo_factory(request):
    instance = Echohandler(request)
    instances.append(instance)
    print instance
    request.notifyFinish().addCallback(lambda x: instances.remove(instance))
    return instance

def do_stuff():
    print "stuff"
    for instance in instances:
        instance.sendFrame(random.randint(1,23423))

def main():
    log.startLogging(sys.stdout)
    root = File(".")
    websocketResource = WebSocketResource()
    websocketResource.addHandler("/echo", echo_factory)
    root.putChild("ws", websocketResource)
    site = Site(root)
    l = LoopingCall(do_stuff)
    l.start(3)
    reactor.listenTCP(8080, site)
    reactor.run()

if __name__ == "__main__":
    main()
	<html>
	<body>
	<script>
	var myWebSocket = new WebSocket("ws://127.0.0.1:8080/ws/echo");

	myWebSocket.onopen = function(evt) {
	alert("Connection open ...");
	};

	myWebSocket.onmessage = function(evt) {
	//alert( "Received Message: " + evt.data);
	document.getElementById('msg').innerHTML=evt.data;
	};
	myWebSocket.onclose = function(evt) { alert("Connection closed."); };
	</script>

	<div id="msg"></div>
	<input type="text" id="data">
	<input type="button" onclick="myWebSocket.send(document.getElementById('data').value)" value="send">
	</body>

	</html>
	from twisted.internet import reactor
	from twisted.web.websocket import WebSocketHandler, WebSocketResource
	from twisted.web.server import Site
	from twisted.web.static import File
	from twisted.internet.task import LoopingCall
	from twisted.python import log
	import sys
	import random

	instances = []

	class Echohandler(WebSocketHandler):

	def frameReceived(self, frame):
	self.sendFrame(frame)

	def echo_factory(request):
	instance = Echohandler(request)
	instances.append(instance)
	print instance
	request.notifyFinish().addCallback(lambda x: instances.remove(instance))
	return instance

	def do_stuff():
	print "stuff"
	for instance in instances:
	instance.sendFrame(random.randint(1,23423))

	def main():
	log.startLogging(sys.stdout)
	root = File(".")
	websocketResource = WebSocketResource()
	websocketResource.addHandler("/echo", echo_factory)
	root.putChild("ws", websocketResource)
	site = Site(root)
	l = LoopingCall(do_stuff)
	l.start(3)
	reactor.listenTCP(8080, site)
	reactor.run()

	if __name__ == "__main__":
	main()