mirror of
https://github.com/eclipse-mosquitto/mosquitto.git
synced 2026-05-21 12:24:29 +02:00
122 lines
4.3 KiB
Python
Executable file
122 lines
4.3 KiB
Python
Executable file
#!/usr/bin/env python3
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# Does a bridge resend a QoS=1 message correctly after a disconnect?
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from mosq_test_helper import *
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mosq_test.require_features(["INC_BRIDGE_SUPPORT"])
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def write_config(filename, port1, port2, protocol_version):
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with open(filename, 'w') as f:
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f.write("listener %d\n" % (port2))
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f.write("allow_anonymous true\n")
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f.write("\n")
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f.write("connection bridge_sample\n")
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f.write("address localhost:%d\n" % (port1))
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f.write("topic bridge/# both 1\n")
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f.write("notifications false\n")
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f.write("restart_timeout 2\n")
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f.write("bridge_protocol_version %s\n" % (protocol_version))
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f.write("bridge_max_topic_alias 0\n")
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def do_test(proto_ver):
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if proto_ver == 4:
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bridge_protocol = "mqttv311"
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proto_ver_connect = 128+4
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else:
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bridge_protocol = "mqttv50"
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proto_ver_connect = 5
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(port1, port2) = mosq_test.get_port(2)
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conf_file = os.path.basename(__file__).replace('.py', '.conf')
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write_config(conf_file, port1, port2, bridge_protocol)
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rc = 1
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client_id = socket.gethostname()+".bridge_sample"
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connect_packet = mqtt_packets.gen_connect(client_id, clean_session=False, proto_ver=proto_ver_connect)
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connack_packet = mqtt_packets.gen_connack(rc=0, proto_ver=proto_ver)
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if proto_ver == 5:
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opts = mqtt5_opts.MQTT_SUB_OPT_NO_LOCAL | mqtt5_opts.MQTT_SUB_OPT_RETAIN_AS_PUBLISHED
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else:
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opts = 0
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mid = 1
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subscribe_packet = mqtt_packets.gen_subscribe(mid, "bridge/#", 1 | opts, proto_ver=proto_ver)
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suback_packet = mqtt_packets.gen_suback(mid, 1, proto_ver=proto_ver)
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mid = 3
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subscribe2_packet = mqtt_packets.gen_subscribe(mid, "bridge/#", 1 | opts, proto_ver=proto_ver)
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suback2_packet = mqtt_packets.gen_suback(mid, 1, proto_ver=proto_ver)
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mid = 2
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publish_packet = mqtt_packets.gen_publish("bridge/disconnect/test", qos=1, mid=mid, payload="disconnect-message", proto_ver=proto_ver)
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publish_dup_packet = mqtt_packets.gen_publish("bridge/disconnect/test", qos=1, mid=mid, payload="disconnect-message", dup=True, proto_ver=proto_ver)
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puback_packet = mqtt_packets.gen_puback(mid, proto_ver=proto_ver)
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ssock = mosq_test.listen_sock(port1)
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broker = mosq_test.start_broker(filename=os.path.basename(__file__), port=port2, use_conf=True)
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try:
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(bridge, address) = ssock.accept()
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bridge.settimeout(20)
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mosq_test.expect_packet(bridge, "connect", connect_packet)
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bridge.send(connack_packet)
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mosq_test.expect_packet(bridge, "subscribe", subscribe_packet)
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bridge.send(suback_packet)
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# Helper
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helper_connect_packet = mqtt_packets.gen_connect("test-helper", proto_ver=proto_ver)
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helper_connack_packet = mqtt_packets.gen_connack(rc=0, proto_ver=proto_ver)
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mid = 128
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helper_publish_packet = mqtt_packets.gen_publish("bridge/disconnect/test", qos=1, mid=mid, payload="disconnect-message", proto_ver=proto_ver)
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helper_puback_packet = mqtt_packets.gen_puback(mid, proto_ver=proto_ver)
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helper_sock = mosq_test.do_client_connect(helper_connect_packet, helper_connack_packet, port=port2, connack_error="helper connack")
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mosq_test.do_send_receive(helper_sock, publish_packet, puback_packet, "helper puback")
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helper_sock.close()
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# End helper
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mosq_test.expect_packet(bridge, "publish", publish_packet)
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bridge.close()
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(bridge, address) = ssock.accept()
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bridge.settimeout(20)
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mosq_test.expect_packet(bridge, "2nd connect", connect_packet)
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bridge.send(connack_packet)
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mosq_test.expect_packet(bridge, "2nd subscribe", subscribe2_packet)
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bridge.send(suback2_packet)
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mosq_test.expect_packet(bridge, "2nd publish", publish_dup_packet)
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rc = 0
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bridge.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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try:
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bridge.close()
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except NameError:
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pass
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mosq_test.terminate_broker(broker)
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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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ssock.close()
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if rc:
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print(mosq_test.broker_log(broker))
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exit(rc)
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do_test(proto_ver=4)
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do_test(proto_ver=5)
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exit(0)
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