mosquitto/test/broker/02-subpub-qos2-v5.py

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2018-10-25 13:57:41 +00:00
#!/usr/bin/env python
# Test whether a client subscribed to a topic receives its own message sent to that topic.
# MQTT v5
import inspect, os, sys
# From http://stackoverflow.com/questions/279237/python-import-a-module-from-a-folder
cmd_subfolder = os.path.realpath(os.path.abspath(os.path.join(os.path.split(inspect.getfile( inspect.currentframe() ))[0],"..")))
if cmd_subfolder not in sys.path:
sys.path.insert(0, cmd_subfolder)
import mosq_test
rc = 1
mid = 530
keepalive = 60
connect_packet = mosq_test.gen_connect("subpub-qos2-test", keepalive=keepalive, proto_ver=5)
connack_packet = mosq_test.gen_connack(rc=0, proto_ver=5)
subscribe_packet = mosq_test.gen_subscribe(mid, "subpub/qos2", 2, proto_ver=5)
suback_packet = mosq_test.gen_suback(mid, 2, proto_ver=5)
mid = 301
publish_packet = mosq_test.gen_publish("subpub/qos2", qos=2, mid=mid, payload="message", proto_ver=5)
pubrec_packet = mosq_test.gen_pubrec(mid, proto_ver=5)
pubrel_packet = mosq_test.gen_pubrel(mid, proto_ver=5)
pubcomp_packet = mosq_test.gen_pubcomp(mid, proto_ver=5)
mid = 1
publish_packet2 = mosq_test.gen_publish("subpub/qos2", qos=2, mid=mid, payload="message", proto_ver=5)
pubrec_packet2 = mosq_test.gen_pubrec(mid, proto_ver=5)
pubrel_packet2 = mosq_test.gen_pubrel(mid, proto_ver=5)
pubcomp_packet2 = mosq_test.gen_pubcomp(mid, proto_ver=5)
port = mosq_test.get_port()
broker = mosq_test.start_broker(filename=os.path.basename(__file__), port=port)
try:
sock = mosq_test.do_client_connect(connect_packet, connack_packet, timeout=20, port=port)
mosq_test.do_send_receive(sock, subscribe_packet, suback_packet, "suback")
mosq_test.do_send_receive(sock, publish_packet, pubrec_packet, "pubrec")
mosq_test.do_send_receive(sock, pubrel_packet, pubcomp_packet, "pubcomp")
if mosq_test.expect_packet(sock, "publish2", publish_packet2):
mosq_test.do_send_receive(sock, pubrec_packet2, pubrel_packet2, "pubrel2")
# Broker side of flow complete so can quit here.
rc = 0
sock.close()
finally:
broker.terminate()
broker.wait()
(stdo, stde) = broker.communicate()
if rc:
print(stde)
exit(rc)