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Handle when transport has been garbage collected. #1193

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Handle when transport has been garbage collected. #1193

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4 changes: 4 additions & 0 deletions azure-iot-device/azure/iot/device/common/mqtt_transport.py
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Original file line number Diff line number Diff line change
Expand Up @@ -190,6 +190,10 @@ def on_connect(client, userdata, flags, rc):
logger.warning(
"connection failed, but no on_mqtt_connection_failure_handler handler callback provided"
)
elif not this:
logger.info(
"on_connect called with transport==None. Transport must have been garbage collected. stopping loop"
)
elif this.on_mqtt_connected_handler:
try:
this.on_mqtt_connected_handler()
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