def connect(self):
"""Open the actual connection to the server (async).
Returns:
concurrent.futures.Future: Future which completes when connection succeeds or fails.
If connection fails, Future will contain an exception.
If connection succeeds, Future will contain a dict with the following members:
* ['session_present'] (bool): is True if resuming existing session and False if new session.
"""
future = Future()
def on_connect(error_code, return_code, session_present):
if return_code:
future.set_exception(Exception(ConnectReturnCode(return_code)))
elif error_code:
future.set_exception(awscrt.exceptions.from_code(error_code))
else:
future.set_result(dict(session_present=session_present))
try:
_awscrt.mqtt_client_connection_connect(
self._binding, self.client_id, self.host_name, self.port,
self.socket_options, self.client.tls_ctx,
self.reconnect_min_timeout_secs,
self.reconnect_max_timeout_secs, self.keep_alive_secs,
self.ping_timeout_ms, self.will, self.username, self.password,
self.clean_session, on_connect, self.websocket_proxy_options)
except Exception as e:
future.set_exception(e)
return future
def connect(self):
future = Future()
def on_connect(error_code, return_code, session_present):
if return_code:
future.set_exception(Exception(ConnectReturnCode(return_code)))
elif error_code:
future.set_exception(awscrt.exceptions.from_code(error_code))
else:
future.set_result(dict(session_present=session_present))
try:
_awscrt.mqtt_client_connection_connect(
self._binding, self.client_id, self.host_name, self.port,
self.socket_options, self.client.tls_ctx, self.keep_alive_secs,
self.ping_timeout_ms, self.will, self.username, self.password,
self.clean_session, on_connect, self.websocket_proxy_options)
except Exception as e:
future.set_exception(e)
return future