on_pi_trail Event
This event is fired for all protocol messages.
Syntax
class XMPPPITrailEventParams(object): @property def direction() -> int: ... @property def pi() -> str: ... # In class XMPP: @property def on_pi_trail() -> Callable[[XMPPPITrailEventParams], None]: ... @on_pi_trail.setter def on_pi_trail(event_hook: Callable[[XMPPPITrailEventParams], None]) -> None: ...
Remarks
The on_pi_trail event is useful for debugging purposes. It shows all the interaction between the client and the server, line by line.
SessionId will hold the session number that originated the PI. A value of 0 is reserved for all PI dealing with the im_server.
The direction parameter shows the originator of the message:
| 0 (Client) | Pi originates from the client. |
| 1 (Server) | Pi originates from the server. |
| 2 (Info) | Pi is an informative message originating from within the class. |
The Pi parameter contains the PI message.