def send_jsonified(self, msg, stats=True):
"""Send JSON-encoded message
`msg`
JSON encoded string to send
`stats`
If set to True, will update statistics after operation completes
"""
msg = bytes_to_str(msg)
if self._immediate_flush:
if self.handler and self.handler.active and not self.send_queue:
# Send message right away
self.handler.send_pack('a[%s]' % msg)
else:
if self.send_queue:
self.send_queue += ','
self.send_queue += msg
self.flush()
else:
if self.send_queue:
self.send_queue += ','
self.send_queue += msg
if not self._pending_flush:
self.server.io_loop.add_callback(self.flush)
self._pending_flush = True
if stats:
self.stats.on_pack_sent(1)
def send_message(self, msg, stats=True, binary=False):
"""Send or queue outgoing message
`msg`
Message to send
`stats`
If set to True, will update statistics after operation completes
"""
self.send_jsonified(proto.json_encode(bytes_to_str(msg)), stats)
def post(self, session_id):
self.preflight()
self.handle_session_cookie()
self.disable_cache()
session = self._get_session(session_id)
if session is None or session.is_closed:
self.set_status(404)
return
data = bytes_to_str(self.request.body)
ctype = self.request.headers.get('Content-Type', '').lower()
if ctype == 'application/x-www-form-urlencoded':
if not data.startswith('d='):
LOG.exception('jsonp_send: Invalid payload.')
self.write("Payload expected.")
self.set_status(500)
return
data = unquote_plus(data[2:])
if not data:
LOG.debug('jsonp_send: Payload expected.')
self.write("Payload expected.")
self.set_status(500)
return
try:
messages = proto.json_decode(data)
except Exception:
# TODO: Proper error handling
LOG.debug('jsonp_send: Invalid json encoding')
self.write("Broken JSON encoding.")
self.set_status(500)
return
try:
session.on_messages(messages)
except Exception:
LOG.exception('jsonp_send: on_message() failed')
session.close()
self.write('Message handler failed.')
self.set_status(500)
return
self.write('ok')
self.set_header('Content-Type', 'text/plain; charset=UTF-8')
self.set_status(200)
def on_message(self, message):
# SockJS requires that empty messages should be ignored
if not message or not self.session:
return
try:
msg = proto.json_decode(bytes_to_str(message))
if isinstance(msg, list):
self.session.on_messages(msg)
else:
self.session.on_messages((msg, ))
except Exception:
LOG.exception('WebSocket')
# Close session on exception
#self.session.close()
# Close running connection
self.abort_connection()
def on_message(self, message):
# SockJS requires that empty messages should be ignored
if not message or not self.session:
return
try:
msg = proto.json_decode(bytes_to_str(message))
if isinstance(msg, list):
self.session.on_messages(msg)
else:
self.session.on_messages((msg,))
except Exception:
LOG.exception('WebSocket')
# Close session on exception
#self.session.close()
# Close running connection
self.abort_connection()
def post(self, session_id):
self.preflight()
self.handle_session_cookie()
self.disable_cache()
session = self._get_session(session_id)
if session is None or session.is_closed:
self.set_status(404)
return
data = self.request.body
if not data:
self.write("Payload expected.")
self.set_status(500)
return
try:
messages = proto.json_decode(bytes_to_str(data))
except:
# TODO: Proper error handling
self.write("Broken JSON encoding.")
self.set_status(500)
return
try:
session.on_messages(messages)
except Exception:
LOG.exception('XHR incoming')
session.close()
self.set_status(500)
return
self.set_status(204)
self.set_header('Content-Type', 'text/plain; charset=UTF-8')
def post(self, session_id):
self.preflight()
self.handle_session_cookie()
self.disable_cache()
session = self._get_session(session_id)
if session is None or session.is_closed:
self.set_status(404)
return
data = self.request.body
if not data:
self.write("Payload expected.")
self.set_status(500)
return
try:
messages = proto.json_decode(bytes_to_str(data))
except Exception:
# TODO: Proper error handling
self.write("Broken JSON encoding.")
self.set_status(500)
return
try:
session.on_messages(messages)
except Exception:
LOG.exception('XHR incoming')
session.close()
self.set_status(500)
return
self.set_status(204)
self.set_header('Content-Type', 'text/plain; charset=UTF-8')