88 lines
3.2 KiB
Python
Executable File
88 lines
3.2 KiB
Python
Executable File
#!/usr/bin/env python
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# MQTT v5. Test whether session expiry interval works correctly.
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from mosq_test_helper import *
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rc = 1
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keepalive = 60
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props = mqtt5_props.gen_uint32_prop(mqtt5_props.PROP_SESSION_EXPIRY_INTERVAL, 1)
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connect_packet = mosq_test.gen_connect("clean-qos2-test", keepalive=keepalive, clean_session=False, proto_ver=5, properties=props)
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connack1_packet = mosq_test.gen_connack(flags=0, rc=0, proto_ver=5)
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connack2_packet = mosq_test.gen_connack(flags=1, rc=0, proto_ver=5)
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props = mqtt5_props.gen_uint32_prop(mqtt5_props.PROP_SESSION_EXPIRY_INTERVAL, 3)
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disconnect_packet = mosq_test.gen_disconnect(proto_ver=5, properties=props)
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props = mqtt5_props.gen_uint32_prop(mqtt5_props.PROP_SESSION_EXPIRY_INTERVAL, 0)
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disconnect2_packet = mosq_test.gen_disconnect(proto_ver=5, properties=props)
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port = mosq_test.get_port()
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broker = mosq_test.start_broker(filename=os.path.basename(__file__), port=port)
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try:
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# First connect, clean start is false, we expect a normal connack
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sock = mosq_test.do_client_connect(connect_packet, connack1_packet, port=port, connack_error="connack 1")
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# Forceful disconnect
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sock.close()
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# Immediate second connect, clean start is false, we expect a connack with
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# previous state
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sock = mosq_test.do_client_connect(connect_packet, connack2_packet, port=port, connack_error="connack 2")
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sock.close()
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# Session should expire in one second, so sleep longer
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time.sleep(2)
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# Third connect, clean start is false, session should have expired so we
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# expect a normal connack
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sock = mosq_test.do_client_connect(connect_packet, connack1_packet, port=port, connack_error="connack 3")
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# Send DISCONNECT with new session expiry, then close
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sock.send(disconnect_packet)
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sock.close()
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# Immediate reconnect, clean start is false, we expect a connack with
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# previous state
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sock = mosq_test.do_client_connect(connect_packet, connack2_packet, port=port, connack_error="connack 4")
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# Send DISCONNECT with new session expiry, then close
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sock.send(disconnect_packet)
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sock.close()
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# Session should expire in three seconds if it has been updated, sleep for
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# 2 to check it is updated from 1 second.
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time.sleep(2)
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# Immediate reconnect, clean start is false, we expect a connack with
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# previous state
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sock = mosq_test.do_client_connect(connect_packet, connack2_packet, port=port, connack_error="connack 5")
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# Send DISCONNECT with new session expiry, then close
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sock.send(disconnect_packet)
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sock.close()
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# Session should expire in three seconds, so sleep longer
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time.sleep(4)
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# Third connect, clean start is false, session should have expired so we
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# expect a normal connack
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sock = mosq_test.do_client_connect(connect_packet, connack1_packet, port=port, connack_error="connack 6")
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# Send DISCONNECT with 0 session expiry, then close
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sock.send(disconnect2_packet)
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sock.close()
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# Immediate reconnect, session should have been removed.
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sock = mosq_test.do_client_connect(connect_packet, connack1_packet, port=port, connack_error="connack 7")
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sock.close()
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rc = 0
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sock.close()
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finally:
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broker.terminate()
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broker.wait()
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(stdo, stde) = broker.communicate()
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if rc:
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print(stde)
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exit(rc)
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