#!/usr/bin/env python3
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# Test whether setting maximum packet size to smaller than a CONNACK packet
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# results in the CONNECT being rejected.
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# MQTTv5
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from mosq_test_helper import *
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rc = 1
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keepalive = 10
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props = mqtt5_props.gen_uint32_prop(mqtt5_props.PROP_MAXIMUM_PACKET_SIZE, 2)
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connect_packet = mosq_test.gen_connect("test", proto_ver=5, keepalive=keepalive, 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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sock = mosq_test.do_client_connect(connect_packet, b"", port=port)
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# Exception occurs if connack packet returned
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rc = 0
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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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