#!/usr/bin/env python3
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# Test whether a clean session client has a QoS 1 message queued for it.
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from mosq_test_helper import *
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rc = 1
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mid = 109
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keepalive = 60
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connect_packet = mosq_test.gen_connect("clean-qos2-test", keepalive=keepalive, clean_session=False)
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connack1_packet = mosq_test.gen_connack(flags=0, rc=0)
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connack2_packet = mosq_test.gen_connack(flags=1, rc=0)
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disconnect_packet = mosq_test.gen_disconnect()
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subscribe_packet = mosq_test.gen_subscribe(mid, "qos1/clean_session/test", 1)
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suback_packet = mosq_test.gen_suback(mid, 1)
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mid = 1
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publish_packet = mosq_test.gen_publish("qos1/clean_session/test", qos=1, mid=mid, payload="clean-session-message")
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puback_packet = mosq_test.gen_puback(mid)
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port = mosq_test.get_port()
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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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sock.send(disconnect_packet)
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sock.close()
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pub = subprocess.Popen(['./05-clean-session-qos1-helper.py', str(port)], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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pub.wait()
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(stdo, stde) = pub.communicate()
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# Now reconnect and expect a publish message.
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sock = mosq_test.do_client_connect(connect_packet, connack2_packet, timeout=30, port=port)
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if mosq_test.expect_packet(sock, "publish", publish_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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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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exit(rc)
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