#!/usr/bin/env python3
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# Does the broker respect receive maximum==2?
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# MQTT v5
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from mosq_test_helper import *
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rc = 1
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keepalive = 60
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props = mqtt5_props.gen_uint16_prop(mqtt5_props.PROP_RECEIVE_MAXIMUM, 2)
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connect_packet = mosq_test.gen_connect("subpub-qos2-test", keepalive=keepalive, proto_ver=5, properties=props)
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connack_packet = mosq_test.gen_connack(rc=0, proto_ver=5)
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mid = 1
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subscribe_packet = mosq_test.gen_subscribe(mid, "subpub/qos2", 2, proto_ver=5)
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suback_packet = mosq_test.gen_suback(mid, 2, proto_ver=5)
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mid = 1
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publish_packet1 = mosq_test.gen_publish("subpub/qos2", qos=2, mid=mid, payload="message1", proto_ver=5)
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pubrec_packet1 = mosq_test.gen_pubrec(mid, proto_ver=5)
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pubrel_packet1 = mosq_test.gen_pubrel(mid, proto_ver=5)
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pubcomp_packet1 = mosq_test.gen_pubcomp(mid, proto_ver=5)
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mid = 2
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publish_packet2 = mosq_test.gen_publish("subpub/qos2", qos=2, mid=mid, payload="message2", proto_ver=5)
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pubrec_packet2 = mosq_test.gen_pubrec(mid, proto_ver=5)
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pubrel_packet2 = mosq_test.gen_pubrel(mid, proto_ver=5)
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pubcomp_packet2 = mosq_test.gen_pubcomp(mid, proto_ver=5)
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mid = 3
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publish_packet3 = mosq_test.gen_publish("subpub/qos2", qos=2, mid=mid, payload="message3", proto_ver=5)
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pubrec_packet3 = mosq_test.gen_pubrec(mid, proto_ver=5)
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pubrel_packet3 = mosq_test.gen_pubrel(mid, proto_ver=5)
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pubcomp_packet3 = mosq_test.gen_pubcomp(mid, proto_ver=5)
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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, connack_packet, timeout=20, port=port)
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mosq_test.do_send_receive(sock, subscribe_packet, suback_packet, "suback")
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pub = subprocess.Popen(['./02-subpub-qos2-receive-maximum-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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if mosq_test.expect_packet(sock, "publish1", publish_packet1):
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if mosq_test.expect_packet(sock, "publish2", publish_packet2):
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mosq_test.do_send_receive(sock, pubrec_packet1, pubrel_packet1, "pubrel1")
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sock.send(pubcomp_packet1)
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if mosq_test.expect_packet(sock, "publish3", publish_packet3):
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mosq_test.do_send_receive(sock, pubrec_packet2, pubrel_packet2, "pubrel2")
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sock.send(pubcomp_packet2)
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mosq_test.do_send_receive(sock, pubrec_packet3, pubrel_packet3, "pubrel3")
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sock.send(pubcomp_packet3)
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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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