engine.py 文件源码

def __setup_connection_timer(self, force=False):
        """
        Sets up the connection timer that handles monitoring of the live
        connection, as well as the triggering of message processing.

        :param bool force: Forces the creation of a new connection timer,
                           even if one already exists. When this occurs,
                           if a timer already exists, it will be stopped.
        """
        if self._CHECK_CONNECTION_TIMER is None or force:
            self.log_debug("Creating connection timer...")

            if self._CHECK_CONNECTION_TIMER:
                self.log_debug(
                    "Connection timer already exists, so it will be stopped."
                )

                try:
                    self._CHECK_CONNECTION_TIMER.stop()
                except Exception:
                    # No reason to be alarmed here. Just let it go and it'll
                    # garbage collected when appropriate.
                    pass

            from sgtk.platform.qt import QtCore

            timer = QtCore.QTimer(
                parent=QtCore.QCoreApplication.instance(),
            )

            timer.timeout.connect(self._check_connection)

            # The class variable is in seconds, so multiply to get milliseconds.
            timer.start(
                self.SHOTGUN_ADOBE_HEARTBEAT_INTERVAL * 1000.0,
            )

            self._CHECK_CONNECTION_TIMER = timer
            self.log_debug("Connection timer created and started.")