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109 lines
4.1 KiB
Python
109 lines
4.1 KiB
Python
#!/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("03-bc2-disco-qos2-helper")
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connack_packet = mosq_test.gen_connack(rc=0)
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mid = 312
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publish_packet = mosq_test.gen_publish("03/b2c/qos2/disconnect/test", qos=2, mid=mid, payload="disconnect-message")
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pubrec_packet = mosq_test.gen_pubrec(mid)
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pubrel_packet = mosq_test.gen_pubrel(mid)
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pubcomp_packet = mosq_test.gen_pubcomp(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, pubrec_packet, "helper pubrec")
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mosq_test.do_send_receive(sock, pubrel_packet, pubcomp_packet, "helper pubcomp")
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sock.close()
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def do_test(start_broker, proto_ver):
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rc = 1
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mid = 3265
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connect_packet = mosq_test.gen_connect("03-b2c-disco-qos2-test", 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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connect_packet_clear = mosq_test.gen_connect("03-b2c-disco-qos2-test", proto_ver=proto_ver)
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subscribe_packet = mosq_test.gen_subscribe(mid, "03/b2c/qos2/disconnect/test", 2, proto_ver=proto_ver)
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suback_packet = mosq_test.gen_suback(mid, 2, proto_ver=proto_ver)
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mid = 1
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publish_packet = mosq_test.gen_publish("03/b2c/qos2/disconnect/test", qos=2, mid=mid, payload="disconnect-message", proto_ver=proto_ver)
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publish_dup_packet = mosq_test.gen_publish("03/b2c/qos2/disconnect/test", qos=2, mid=mid, payload="disconnect-message", dup=True, proto_ver=proto_ver)
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pubrec_packet = mosq_test.gen_pubrec(mid, proto_ver=proto_ver)
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pubrel_packet = mosq_test.gen_pubrel(mid, proto_ver=proto_ver)
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pubcomp_packet = mosq_test.gen_pubcomp(mid, proto_ver=proto_ver)
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mid = 3266
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publish2_packet = mosq_test.gen_publish("03/b2c/qos2/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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port = mosq_test.get_port()
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if start_broker:
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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 = mosq_test.do_client_connect(connect_packet, connack2_packet, port=port)
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mosq_test.expect_packet(sock, "dup publish", publish_dup_packet)
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mosq_test.do_send_receive(sock, pubrec_packet, pubrel_packet, "pubrel")
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sock.close()
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sock = mosq_test.do_client_connect(connect_packet, connack2_packet, port=port)
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mosq_test.expect_packet(sock, "dup pubrel", pubrel_packet)
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sock.send(pubcomp_packet)
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rc = 0
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sock.close()
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# Clear session
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sock = mosq_test.do_client_connect(connect_packet_clear, connack1_packet, port=port)
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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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if start_broker:
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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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(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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else:
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return rc
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def all_tests(start_broker=False):
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rc = do_test(start_broker, proto_ver=4)
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if rc:
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return rc;
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rc = do_test(start_broker, proto_ver=5)
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if rc:
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return rc;
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return 0
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if __name__ == '__main__':
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all_tests(True)
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