#!/usr/bin/env python3
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# Test remapping of topic name for outgoing message
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from mosq_test_helper import *
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def write_config(filename, port1, port2):
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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("bridge_attempt_unsubscribe false\n")
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f.write("topic # out 0 local/topic/ remote/topic/\n")
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f.write("topic prefix/# out 0 local2/topic/ remote2/topic/\n")
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f.write("topic +/value out 0 local3/topic/ remote3/topic/\n")
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f.write("topic ic/+ out 0 local4/top remote4/tip\n")
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f.write("# this one is invalid\n")
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f.write("topic +/value out 0 local5/top remote5/tip\n")
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f.write("notifications false\n")
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f.write("restart_timeout 5\n")
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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)
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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=128+4)
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connack_packet = mosq_test.gen_connack(rc=0)
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client_connect_packet = mosq_test.gen_connect("pub-test", keepalive=keepalive)
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client_connack_packet = mosq_test.gen_connack(rc=0)
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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(4)
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ssock.bind(('', port1))
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ssock.listen(5)
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broker = mosq_test.start_broker(filename=os.path.basename(__file__), port=port2, use_conf=True)
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def test(bridge, sock):
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if not mosq_test.expect_packet(bridge, "connect", connect_packet):
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return 1
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bridge.send(connack_packet)
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cases = [
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('local/topic/something', 'remote/topic/something'),
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('local/topic/some/t/h/i/n/g', 'remote/topic/some/t/h/i/n/g'),
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('local/topic/value', 'remote/topic/value'),
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# Don't work, #40 must be fixed before
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# ('local/topic', 'remote/topic'),
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('local2/topic/something', None), # don't match topic pattern
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('local2/topic/prefix/something', 'remote2/topic/prefix/something'),
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('local3/topic/something/value', 'remote3/topic/something/value'),
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('local4/topic/something', 'remote4/tipic/something'),
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('local5/topic/something', None),
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]
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mid = 3
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for (local_topic, remote_topic) in cases:
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mid += 1
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local_publish_packet = mosq_test.gen_publish(
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local_topic, qos=0, mid=mid, payload=''
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)
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sock.send(local_publish_packet)
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if remote_topic:
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remote_publish_packet = mosq_test.gen_publish(
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remote_topic, qos=0, mid=mid, payload=''
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)
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match = mosq_test.expect_packet(bridge, "publish", remote_publish_packet)
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if not match:
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print("Fail on cases local_topic=%r, remote_topic=%r" % (
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local_topic, remote_topic,
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))
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return 1
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else:
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time.sleep(1)
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mosq_test.do_ping(bridge,
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"FAIL: Received data when nothing is expected\nFail on cases local_topic=%r, remote_topic=%r" % (
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local_topic, remote_topic,
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))
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return 0
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try:
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(bridge, address) = ssock.accept()
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bridge.settimeout(2)
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sock = mosq_test.do_client_connect(
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client_connect_packet, client_connack_packet,
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port=port2,
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)
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rc = test(bridge, sock)
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sock.close()
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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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if rc:
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print(stde.decode('utf-8'))
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ssock.close()
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exit(rc)
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