def handle(self, packet):
"""Handle an incoming packet on this socket.
Event:
{'endpoint': u'', 'type': 'event', 'name': u'hi', 'args': [{u'hello': u'world'}]}
Message:
{'data': u'hi', 'endpoint': u'', 'type': 'message'}
"""
try:
endpoint = packet["endpoint"]
channel = None
type = packet["type"]
if type == "event":
channel = packet["name"]
message = packet["args"]
events.on_event.send(self.request, self.socket, self.environ, channel, endpoint, message)
elif type == "message":
message = packet["data"]
events.on_message.send(self.request, self.socket, self.environ, None, endpoint, message)
else:
# TODO :: Determine if there are other types we might see here.
# TODO :: Client side connect/disconnect handled by
# TODO :: recv_connect() and recv_disconnect() respectively.
pass
log_message = format_log(self.request, type, message)
if log_message:
# self.socket.handler.server.log.write(log_message)
pass
except Exception, exception:
from traceback import print_exc
print_exc()
events.on_error.send(self.request, self.socket, self.environ, channel, exception)
def GET(self):
"""
Socket.IO handler - maintains the lifecycle of a Socket.IO
request, sending the each of the events. Also handles
adding/removing request/socket pairs to the CLIENTS dict
which is used for sending on_finish events when the server
stops.
"""
context = {}
socket = SocketIOChannelProxy(web.ctx.env["socketio"])
request = web.ctx.env
client_start(request, socket, context)
try:
if socket.on_connect():
events.on_connect.send(request, socket, context)
while True:
messages = socket.recv()
if not messages and not socket.connected():
events.on_disconnect.send(request, socket, context)
break
messages = iter(messages)
for message in messages:
if message == "__subscribe__":
message = messages.next()
message_type = "subscribe"
socket.subscribe(message)
events.on_subscribe.send(request, socket, context,
message)
elif message == "__unsubscribe__":
message = messages.next()
message_type = "unsubscribe"
socket.unsubscribe(message)
events.on_unsubscribe.send(request, socket, context,
message)
else:
# Socket.IO sends arrays as individual messages, so
# they're put into an object in socketio_scripts.html
# and given the __array__ key so that they can be
# handled consistently in the on_message event.
message_type = "message"
if message == "__array__":
message = messages.next()
events.on_message.send(request, socket, context,
message)
log_message = format_log(request, message_type, message)
if log_message:
socket.handler.server.log.write(log_message)
except Exception, exception:
from traceback import print_exc
print_exc()
events.on_error.send(request, socket, context, exception)
def GET(self):
"""
Socket.IO handler - maintains the lifecycle of a Socket.IO
request, sending the each of the events. Also handles
adding/removing request/socket pairs to the CLIENTS dict
which is used for sending on_finish events when the server
stops.
"""
context = {}
socket = SocketIOChannelProxy(web.ctx.env["socketio"])
request = web.ctx.env
client_start(request, socket, context)
try:
if socket.on_connect():
events.on_connect.send(request, socket, context)
while True:
messages = socket.recv()
if not messages and not socket.connected():
events.on_disconnect.send(request, socket, context)
break
messages = iter(messages)
for message in messages:
if message == "__subscribe__":
message = messages.next()
message_type = "subscribe"
socket.subscribe(message)
events.on_subscribe.send(request, socket, context, message)
elif message == "__unsubscribe__":
message = messages.next()
message_type = "unsubscribe"
socket.unsubscribe(message)
events.on_unsubscribe.send(request, socket, context, message)
else:
# Socket.IO sends arrays as individual messages, so
# they're put into an object in socketio_scripts.html
# and given the __array__ key so that they can be
# handled consistently in the on_message event.
message_type = "message"
if message == "__array__":
message = messages.next()
events.on_message.send(request, socket, context, message)
log_message = format_log(request, message_type, message)
if log_message:
socket.handler.server.log.write(log_message)
except Exception, exception:
from traceback import print_exc
print_exc()
events.on_error.send(request, socket, context, exception)
