94 lines
4.0 KiB
Python
Executable File
94 lines
4.0 KiB
Python
Executable File
#!/usr/bin/env python3
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# Test whether a PUBLISH to a topic with QoS 1 results in the correct packet flow for a subscriber.
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# With max_inflight_messages set to 1
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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("port %d\n" % (port))
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f.write("allow_anonymous true\n")
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f.write("max_inflight_messages 1\n")
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def do_test(proto_ver):
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rc = 1
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keepalive = 60
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properties = mqtt5_props.gen_uint32_prop(mqtt5_props.PROP_SESSION_EXPIRY_INTERVAL, 1000)
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sub_connect_packet = mosq_test.gen_connect("sub", keepalive=keepalive, properties=properties, proto_ver=proto_ver, clean_session=False)
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properties = mqtt5_props.gen_uint16_prop(mqtt5_props.PROP_TOPIC_ALIAS_MAXIMUM, 10) \
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+ mqtt5_props.gen_uint16_prop(mqtt5_props.PROP_RECEIVE_MAXIMUM, 1)
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sub_connack_packet = mosq_test.gen_connack(rc=0, proto_ver=proto_ver, properties=properties, property_helper=False)
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sub_connack_packet2 = mosq_test.gen_connack(rc=0, flags=1, proto_ver=proto_ver, properties=properties, property_helper=False)
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mid = 1
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subscribe_packet = mosq_test.gen_subscribe(mid, "pub/qos1/test", 1, proto_ver=proto_ver)
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suback_packet = mosq_test.gen_suback(mid, 1, proto_ver=proto_ver)
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connect_packet = mosq_test.gen_connect("pub-qos1-test", keepalive=keepalive, proto_ver=proto_ver)
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properties = mqtt5_props.gen_uint16_prop(mqtt5_props.PROP_TOPIC_ALIAS_MAXIMUM, 10) \
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+ mqtt5_props.gen_uint16_prop(mqtt5_props.PROP_RECEIVE_MAXIMUM, 1)
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connack_packet = mosq_test.gen_connack(rc=0, proto_ver=proto_ver, properties=properties, property_helper=False)
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mid = 311
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properties = mqtt5_props.gen_uint32_prop(mqtt5_props.PROP_MESSAGE_EXPIRY_INTERVAL, 1)
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publish_packet = mosq_test.gen_publish("pub/qos1/test", qos=1, mid=mid, payload="message", proto_ver=proto_ver, properties=properties)
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puback_packet = mosq_test.gen_puback(mid, proto_ver=proto_ver)
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mid = 1
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r_publish_packet = mosq_test.gen_publish("pub/qos1/test", qos=1, mid=mid, payload="message", proto_ver=proto_ver)
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r_puback_packet = mosq_test.gen_puback(mid, proto_ver=proto_ver)
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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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broker = mosq_test.start_broker(filename=os.path.basename(__file__), use_conf=True, port=port)
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try:
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sub_sock = mosq_test.do_client_connect(sub_connect_packet, sub_connack_packet, port=port, timeout=10)
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mosq_test.do_send_receive(sub_sock, subscribe_packet, suback_packet, "suback")
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sub_sock.close()
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sock = mosq_test.do_client_connect(connect_packet, connack_packet, port=port, timeout=10)
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mosq_test.do_send_receive(sock, publish_packet, puback_packet, "puback")
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time.sleep(2)
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sub_sock = mosq_test.do_client_connect(sub_connect_packet, sub_connack_packet2, port=port, timeout=10)
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# This message has expired, so we don't expect it
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#mosq_test.expect_packet(sub_sock, "publish 2", r_publish_packet)
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#sub_sock.send(r_puback_packet)
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#
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mid = 1
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s_publish_packet = mosq_test.gen_publish("pub/qos1/test", qos=1, mid=mid, payload="message2", proto_ver=proto_ver)
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s_puback_packet = mosq_test.gen_puback(mid, proto_ver=proto_ver)
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mosq_test.do_send_receive(sock, s_publish_packet, s_puback_packet, "puback")
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mid = 2
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r_publish_packet = mosq_test.gen_publish("pub/qos1/test", qos=1, mid=mid, payload="message2", proto_ver=proto_ver)
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r_puback_packet = mosq_test.gen_puback(mid, proto_ver=proto_ver)
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mosq_test.expect_packet(sub_sock, "publish 3", r_publish_packet)
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sub_sock.send(r_puback_packet)
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rc = 0
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sock.close()
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except mosq_test.TestError:
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pass
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finally:
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os.remove(conf_file)
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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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print("proto_ver=%d" % (proto_ver))
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exit(rc)
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do_test(proto_ver=5)
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exit(0)
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