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46 lines
1.5 KiB
Python
46 lines
1.5 KiB
Python
#!/usr/bin/env python3
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# Check whether the broker disconnects a client nicely when they send a too large packet.
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from mosq_test_helper import *
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def write_config(filename, port):
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with open(filename, 'w') as f:
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f.write("listener %d\n" % (port))
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f.write("allow_anonymous true\n")
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f.write("max_packet_size 40\n")
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port = mosq_test.get_port()
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conf_file = os.path.basename(__file__).replace('.py', '.conf')
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write_config(conf_file, port)
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rc = 1
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connect_packet = mosq_test.gen_connect("12-max-packet-broker", proto_ver=5)
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props = mqtt5_props.gen_uint32_prop(mqtt5_props.PROP_MAXIMUM_PACKET_SIZE, 40)
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connack_packet = mosq_test.gen_connack(rc=0, proto_ver=5, properties=props)
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publish_packet = mosq_test.gen_publish("12/max/packet/size/broker/test/topic", qos=0, payload="0123456789012345678901234567890", proto_ver=5)
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disconnect_packet = mosq_test.gen_disconnect(reason_code=149, proto_ver=5)
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broker = mosq_test.start_broker(filename=os.path.basename(__file__), port=port, use_conf=True)
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try:
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sock = mosq_test.do_client_connect(connect_packet, connack_packet, port=port)
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mosq_test.do_send_receive(sock, publish_packet, disconnect_packet, "disconnect")
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rc = 0
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except mosq_test.TestError:
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pass
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finally:
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broker.terminate()
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if mosq_test.wait_for_subprocess(broker):
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print("broker not terminated")
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if rc == 0: rc=1
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os.remove(conf_file)
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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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