def handle_close_msg(self, channel: Channel, session: FBDPSession,
msg: FBDPMessage) -> None:
"""Process CLOSE message received from client.
Calls `on_pipe_closed` and then discards the session.
Arguments:
channel: Channel that received the message.
session: Session instance.
msg: Received message.
"""
try:
self.on_pipe_closed(channel, session, msg)
except:
# We don't want to handle this via `handle_exception` and we're closing
# the pipe anyway
pass
finally:
channel.discard_session(session)
def send_close(self,
channel: Channel,
session: FBDPSession,
error_code: ErrorCode,
exc: Exception = None) -> None:
"""Sends `CLOSE` message, calls `on_pipe_closed` and then discards the session.
Arguments:
channel: Channel associate with data pipe.
session: Session associated with transmission.
error_code: Error code.
exc: Exception that caused the error.
"""
msg = self.create_message_for(MsgType.CLOSE, error_code)
if exc:
msg.note_exception(exc)
try:
channel.send(msg, session)
self.on_pipe_closed(channel, session, msg, exc)
finally:
channel.discard_session(session)