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Versions

• OS: Debian 11 (testing, bullseye)
• Gajim version: 1.3.0~beta1-1
• GTK version: 3.24.24-1
• Python-nbxmpp version: 2.0.0-1

Steps to reproduce the problem

1. Start Gajim and connect to your account
2. Start a VPN, all traffic is routed via the VPN

Expected behavior

Account still works, somehow.

Actual behavior

Account is in a strange state, even disconnecting works only forcefully.

Assumption

Gajim should react on starting and stopping a VPN.

Example code

#!/usr/bin/python3

import dbus
import dbus.mainloop.glib
import gi.repository.GLib


NM_ACTIVE_CONNECTION_STATE_ACTIVATING = 1
NM_ACTIVE_CONNECTION_STATE_ACTIVATED = 2
NM_ACTIVE_CONNECTION_STATE_DEACTIVATING = 3
NM_ACTIVE_CONNECTION_STATE_DEACTIVATED = 4


def vpn_connection_propertychanged_handler(properties):
    state = properties.get("State")
    if not state:
        return
    if state in [
        NM_ACTIVE_CONNECTION_STATE_ACTIVATING,
        NM_ACTIVE_CONNECTION_STATE_DEACTIVATING,
    ]:
        print("disconnect")
    elif state in [
        NM_ACTIVE_CONNECTION_STATE_ACTIVATED,
        NM_ACTIVE_CONNECTION_STATE_DEACTIVATED,
    ]:
        print("reconnect")


if __name__ == "__main__":
    dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
    bus = dbus.SystemBus()
    bus.add_signal_receiver(
        vpn_connection_propertychanged_handler,
        dbus_interface="org.freedesktop.NetworkManager.VPN.Connection",
        signal_name="PropertiesChanged",
    )
    loop = gi.repository.GLib.MainLoop()
    loop.run()