def broadcast(self, clients, msg):
""" Optimized C{broadcast} implementation. Depending on type of the
session, will json-encode message once and will call either
C{send_message} or C{send_jsonifed}.
@param clients: Clients iterable
@param msg: Message to send
"""
json_msg = None
count = 0
for c in clients:
sess = c.session
if not sess.is_closed:
if sess.send_expects_json:
if json_msg is None:
json_msg = proto.json_encode(msg)
sess.send_jsonified(json_msg, stats=False)
else:
sess.send_message(msg, stats=False)
count += 1
self.stats.packSent(count)
def send_message(self, msg, stats=True):
""" Send or queue outgoing message
@param msg: Message to send
@param stats: If set to True, will update statistics after operation
completes
"""
self.send_jsonified(proto.json_encode(msg), stats)
def send_pack(self, message):
# TODO: Just do escaping
msg = '<script>\np(%s);\n</script>\r\n' % proto.json_encode(message)
self.write(msg)
self.flush()
# Close connection based on amount of data transferred
if self.should_finish(len(msg)):
self._detach()
self.safe_finish()
def get(self):
self.preflight()
self.disable_cache()
self.set_header('Content-Type', 'application/json; charset=UTF-8')
options = dict(websocket=self.server.websockets_enabled,
cookie_needed=self.server.cookie_needed,
origins=['*:*'],
entropy=random.randint(0, sys.maxint))
self.write(json_encode(options))
def get(self):
self.preflight()
self.disable_cache()
self.set_header('Content-Type', 'application/json; charset=UTF-8')
options = dict(websocket=self.server.websockets_enabled,
cookie_needed=self.server.cookie_needed,
origins=['*:*'],
entropy=random.randint(0, sys.maxint))
self.write(json_encode(options))
def send_pack(self, message):
# TODO: Just escape
msg = '%s(%s);\r\n' % (self.callback, proto.json_encode(message))
self.set_header('Content-Type',
'application/javascript; charset=UTF-8')
self.set_header('Content-Length', len(msg))
# FIXME
self.set_header('Etag', 'dummy')
self.write(msg)
self._detach()
self.safe_finish()
def send_pack(self, message):
# TODO: Just escape
msg = '%s(%s);\r\n' % (self.callback, proto.json_encode(message))
self.set_header('Content-Type',
'application/javascript; charset=UTF-8')
self.set_header('Content-Length', len(msg))
# FIXME
self.set_header('Etag', 'dummy')
self.write(msg)
self._detach()
self.safe_finish()
def _send_stats(self):
data = proto.json_encode(BroadcastRouter.stats.dump())
self.sendMessage(data)
