#!/usr/bin/env python3
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# Test whether sending a non zero session expiry interval in DISCONNECT after
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# having sent a zero session expiry interval is treated correctly in MQTT v5.
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from mosq_test_helper import *
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def do_test(clean_start):
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rc = 1
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keepalive = 10
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connect_packet = mosq_test.gen_connect(None, proto_ver=5, keepalive=keepalive, clean_session=clean_start)
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props = mqtt5_props.gen_string_prop(mqtt5_props.PROP_ASSIGNED_CLIENT_IDENTIFIER, "auto-00000000-0000-0000-0000-000000000000")
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connack_packet = mosq_test.gen_connack(rc=0, proto_ver=5, properties=props)
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props = mqtt5_props.gen_uint32_prop(mqtt5_props.PROP_SESSION_EXPIRY_INTERVAL, 1)
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disconnect_client_packet = mosq_test.gen_disconnect(proto_ver=5, properties=props)
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disconnect_server_packet = mosq_test.gen_disconnect(proto_ver=5, reason_code=130)
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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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sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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sock.settimeout(10)
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sock.connect(("localhost", port))
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sock.send(connect_packet)
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connack_recvd = sock.recv(len(connack_packet))
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if connack_recvd[0:12] == connack_packet[0:12]:
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# FIXME - this test could be tightened up a lot
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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.decode('utf-8'))
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exit(rc)
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do_test(True)
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do_test(False)
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exit(0)
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