107 lines
3.8 KiB
Python
107 lines
3.8 KiB
Python
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#!/usr/bin/env python3
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# Does a bridge with bridge_outgoing_retain set to false not set the retain bit
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# on outgoing messages?
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from mosq_test_helper import *
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def write_config(filename, port1, port2, protocol_version, outgoing_retain):
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with open(filename, 'w') as f:
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f.write("port %d\n" % (port2))
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f.write("\n")
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f.write("connection bridge_sample\n")
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f.write("address 127.0.0.1:%d\n" % (port1))
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f.write("topic bridge/# both 1\n")
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f.write("notifications false\n")
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f.write("restart_timeout 5\n")
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f.write("bridge_protocol_version %s\n" %(protocol_version))
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f.write("bridge_outgoing_retain %s\n" %(outgoing_retain))
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def do_test(proto_ver, outgoing_retain):
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if proto_ver == 4:
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bridge_protocol = "mqttv311"
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proto_ver_connect = 128+4
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else:
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bridge_protocol = "mqttv50"
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proto_ver_connect = 5
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(port1, port2) = mosq_test.get_port(2)
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conf_file = os.path.basename(__file__).replace('.py', '.conf')
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write_config(conf_file, port1, port2, bridge_protocol, outgoing_retain)
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rc = 1
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keepalive = 60
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client_id = socket.gethostname()+".bridge_sample"
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connect_packet = mosq_test.gen_connect(client_id, keepalive=keepalive, clean_session=False, proto_ver=proto_ver_connect)
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connack_packet = mosq_test.gen_connack(rc=0, proto_ver=proto_ver)
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mid = 1
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if proto_ver == 5:
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opts = mqtt5_opts.MQTT_SUB_OPT_NO_LOCAL | mqtt5_opts.MQTT_SUB_OPT_RETAIN_AS_PUBLISHED
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else:
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opts = 0
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subscribe_packet = mosq_test.gen_subscribe(mid, "bridge/#", 1 | opts, proto_ver=proto_ver)
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suback_packet = mosq_test.gen_suback(mid, 1, proto_ver=proto_ver)
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if outgoing_retain == "true":
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publish_packet = mosq_test.gen_publish("bridge/retain/test", qos=0, retain=True, payload="message", proto_ver=proto_ver)
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else:
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publish_packet = mosq_test.gen_publish("bridge/retain/test", qos=0, retain=False, payload="message", proto_ver=proto_ver)
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helper_connect_packet = mosq_test.gen_connect("helper", keepalive=keepalive, clean_session=True, proto_ver=proto_ver)
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helper_connack_packet = mosq_test.gen_connack(rc=0, proto_ver=proto_ver)
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helper_publish_packet = mosq_test.gen_publish("bridge/retain/test", qos=0, retain=True, payload="message", proto_ver=proto_ver)
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ssock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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ssock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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ssock.settimeout(40)
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ssock.bind(('', port1))
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ssock.listen(5)
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try:
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broker = mosq_test.start_broker(filename=os.path.basename(__file__), port=port2, use_conf=True)
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(bridge, address) = ssock.accept()
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bridge.settimeout(20)
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if mosq_test.expect_packet(bridge, "connect", connect_packet):
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bridge.send(connack_packet)
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if mosq_test.expect_packet(bridge, "subscribe", subscribe_packet):
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bridge.send(suback_packet)
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# Broker is now connected to us on port1.
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# Connect our client to the broker on port2 and send a publish
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# message, which we will then receive by way of the bridge
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helper = mosq_test.do_client_connect(helper_connect_packet, helper_connack_packet, port=port2)
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helper.send(helper_publish_packet)
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helper.close()
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if mosq_test.expect_packet(bridge, "publish", publish_packet):
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rc = 0
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bridge.close()
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finally:
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os.remove(conf_file)
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try:
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bridge.close()
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except NameError:
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pass
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broker.terminate()
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broker.wait()
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(stdo, stde) = broker.communicate()
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ssock.close()
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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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do_test(proto_ver=4, outgoing_retain="true")
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do_test(proto_ver=4, outgoing_retain="false")
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#do_test(proto_ver=5)
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exit(0)
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