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Flask-socket.io emit to specific clients
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| <html> | |
| <body> | |
| <h1>I feel lonely</h1> | |
| <script type="text/javascript" src="//code.jquery.com/jquery-2.1.3.min.js"></script> | |
| <script type="text/javascript" src="//cdnjs.cloudflare.com/ajax/libs/socket.io/0.9.16/socket.io.min.js"></script> | |
| <script type="text/javascript" charset="utf-8"> | |
| var socket = io.connect('http://' + document.domain + ':' + location.port); | |
| socket.on('connect', function() { | |
| socket.emit('connected'); | |
| }); | |
| socket.on('message', function(data) { | |
| $('h1').text(data) | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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| from flask import Flask, request | |
| from flask.ext.socketio import SocketIO | |
| app = Flask(__name__, static_folder='') | |
| io = SocketIO(app) | |
| clients = [] | |
| @app.route('/') | |
| def index(): | |
| return app.send_static_file('client.html') | |
| @io.on('connected') | |
| def connected(): | |
| print "%s connected" % (request.namespace.socket.sessid) | |
| clients.append(request.namespace) | |
| @io.on('disconnect') | |
| def disconnect(): | |
| print "%s disconnected" % (request.namespace.socket.sessid) | |
| clients.remove(request.namespace) | |
| def hello_to_random_client(): | |
| import random | |
| from datetime import datetime | |
| if clients: | |
| k = random.randint(0, len(clients)-1) | |
| print "Saying hello to %s" % (clients[k].socket.sessid) | |
| clients[k].emit('message', "Hello at %s" % (datetime.now())) | |
| if __name__ == '__main__': | |
| import thread, time | |
| thread.start_new_thread(lambda: io.run(app), ()) | |
| while True: | |
| time.sleep(1) | |
| hello_to_random_client() |
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