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import eventlet
from eventlet import wsgi
from eventlet import websocket
import six
# demo app
import os
import random
@websocket.WebSocketWSGI
def handle(ws):
""" This is the websocket handler function. Note that we
can dispatch based on path in here, too."""
if ws.path == '/echo':
while True:
m = ws.wait()
if m is None:
break
ws.send(m)
elif ws.path == '/data':
for i in six.moves.range(10000):
ws.send("0 %s %s\n" % (i, random.random()))
eventlet.sleep(0.1)
def dispatch(environ, start_response):
""" This resolves to the web page or the websocket depending on
the path."""
if environ['PATH_INFO'] == '/data':
return handle(environ, start_response)
else:
start_response('200 OK', [('content-type', 'text/html')])
return [open(os.path.join(
os.path.dirname(__file__),
'websocket.html')).read()]
if __name__ == "__main__":
# run an example app from the command line
listener = eventlet.listen(('127.0.0.1', 7000))
print("\nVisit http://localhost:7000/ in your websocket-capable browser.\n")
wsgi.server(listener, dispatch)
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