#!/usr/bin/env python3
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# Test whether a client with a will delay recovers on the client reconnecting
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# MQTT 5
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from mosq_test_helper import *
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def do_test(clean_session):
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rc = 1
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keepalive = 60
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mid = 1
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connect1_packet = mosq_test.gen_connect("will-qos0-test", keepalive=keepalive, proto_ver=5)
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connack1_packet = mosq_test.gen_connack(rc=0, proto_ver=5)
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connect_props = mqtt5_props.gen_uint32_prop(mqtt5_props.PROP_SESSION_EXPIRY_INTERVAL, 30)
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props = mqtt5_props.gen_uint32_prop(mqtt5_props.PROP_WILL_DELAY_INTERVAL, 3)
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connect2_packet = mosq_test.gen_connect("will-helper", keepalive=keepalive, proto_ver=5, will_topic="will/test", will_payload=b"will delay", will_properties=props, clean_session=clean_session, properties=connect_props)
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connack2a_packet = mosq_test.gen_connack(rc=0, proto_ver=5)
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if clean_session == True:
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connack2b_packet = mosq_test.gen_connack(rc=0, proto_ver=5)
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else:
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connack2b_packet = mosq_test.gen_connack(rc=0, proto_ver=5, flags=1)
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subscribe_packet = mosq_test.gen_subscribe(mid, "will/test", 0, proto_ver=5)
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suback_packet = mosq_test.gen_suback(mid, 0, proto_ver=5)
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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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sock1 = mosq_test.do_client_connect(connect1_packet, connack1_packet, timeout=30, port=port)
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mosq_test.do_send_receive(sock1, subscribe_packet, suback_packet, "suback")
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sock2 = mosq_test.do_client_connect(connect2_packet, connack2a_packet, timeout=30, port=port)
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sock2.close()
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time.sleep(1)
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sock2 = mosq_test.do_client_connect(connect2_packet, connack2b_packet, timeout=30, port=port)
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time.sleep(3)
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# The client2 has reconnected within the will delay interval, which has now
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# passed. We should not have received the will at this point.
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mosq_test.do_ping(sock1)
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rc = 0
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sock1.close()
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sock2.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.decode('utf-8'))
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exit(rc)
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do_test(clean_session=True)
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do_test(clean_session=False)
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