85 lines
3.1 KiB
Python
Executable File
85 lines
3.1 KiB
Python
Executable File
#!/usr/bin/env python3
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# Does an interrupted QoS 1 flow from broker to client get handled correctly?
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from mosq_test_helper import *
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def helper(port):
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connect_packet = mosq_test.gen_connect("test-helper", keepalive=60)
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connack_packet = mosq_test.gen_connack(rc=0)
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mid = 128
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publish_packet = mosq_test.gen_publish("qos1/disconnect/test", qos=1, mid=mid, payload="disconnect-message")
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puback_packet = mosq_test.gen_puback(mid)
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sock = mosq_test.do_client_connect(connect_packet, connack_packet, connack_error="helper connack", port=port)
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mosq_test.do_send_receive(sock, publish_packet, puback_packet, "helper puback")
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sock.close()
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def do_test(proto_ver):
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port = mosq_test.get_port()
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rc = 1
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mid = 3265
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keepalive = 60
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connect_packet = mosq_test.gen_connect("pub-qos1-disco-test", keepalive=keepalive, clean_session=False, proto_ver=proto_ver, session_expiry=60)
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connack1_packet = mosq_test.gen_connack(flags=0, rc=0, proto_ver=proto_ver)
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connack2_packet = mosq_test.gen_connack(flags=1, rc=0, proto_ver=proto_ver)
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subscribe_packet = mosq_test.gen_subscribe(mid, "qos1/disconnect/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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mid = 1
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publish_packet = mosq_test.gen_publish("qos1/disconnect/test", qos=1, mid=mid, payload="disconnect-message", proto_ver=proto_ver)
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publish_dup_packet = mosq_test.gen_publish("qos1/disconnect/test", qos=1, mid=mid, payload="disconnect-message", dup=True, proto_ver=proto_ver)
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puback_packet = mosq_test.gen_puback(mid, proto_ver=proto_ver)
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mid = 3266
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publish2_packet = mosq_test.gen_publish("qos1/outgoing", qos=1, mid=mid, payload="outgoing-message", proto_ver=proto_ver)
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puback2_packet = mosq_test.gen_puback(mid, proto_ver=proto_ver)
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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, connack1_packet, port=port)
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mosq_test.do_send_receive(sock, subscribe_packet, suback_packet, "suback")
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helper(port)
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# Should have now received a publish command
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mosq_test.expect_packet(sock, "publish", publish_packet)
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# Send our outgoing message. When we disconnect the broker
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# should get rid of it and assume we're going to retry.
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sock.send(publish2_packet)
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sock.close()
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sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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sock.settimeout(60) # 60 seconds timeout is much longer than 5 seconds message retry.
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sock.connect(("localhost", port))
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mosq_test.do_send_receive(sock, connect_packet, connack2_packet, "connack")
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mosq_test.expect_packet(sock, "dup publish", publish_dup_packet)
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sock.send(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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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=4)
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do_test(proto_ver=5)
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exit(0)
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