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88 lines
2.8 KiB
Python
88 lines
2.8 KiB
Python
#!/usr/bin/env python3
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# Test whether global_max_connections works
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from mosq_test_helper import *
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def write_config(filename, port):
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with open(filename, 'w') as f:
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f.write("listener %d\n" % (port))
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f.write("allow_anonymous true\n")
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f.write("global_max_connections 10\n")
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def do_test():
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rc = 1
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connect_packets_ok = []
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connack_packets_ok = []
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for i in range(0, 10):
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connect_packets_ok.append(mosq_test.gen_connect("max-conn-%d"%i, proto_ver=5))
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connack_packets_ok.append(mosq_test.gen_connack(rc=0, proto_ver=5))
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connect_packet_bad = mosq_test.gen_connect("max-conn-bad", proto_ver=5)
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connack_packet_bad = b""
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port = mosq_test.get_port()
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conf_file = os.path.basename(__file__).replace('.py', '.conf')
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write_config(conf_file, port)
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broker = mosq_test.start_broker(filename=os.path.basename(__file__), use_conf=True, port=port)
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socks = []
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try:
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# Open all allowed connections, a limit of 10
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for i in range(0, 10):
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socks.append(mosq_test.do_client_connect(connect_packets_ok[i], connack_packets_ok[i], port=port))
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# Try to open an 11th connection
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try:
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mosq_test.do_client_connect(connect_packet_bad, connack_packet_bad, port=port)
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print("did not throw when trying to open 11th connection (first time)")
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return rc
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except (ConnectionResetError, BrokenPipeError):
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# Expected behaviour
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pass
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finally:
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# Close all allowed connections
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for sock in socks:
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sock.close()
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socks.clear()
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## Now repeat - check it works as before
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if os.environ.get('MOSQ_USE_VALGRIND') is not None:
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time.sleep(0.5)
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# Open all allowed connections, a limit of 10
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for i in range(0, 10):
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socks.append(mosq_test.do_client_connect(connect_packets_ok[i], connack_packets_ok[i], port=port))
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# Try to open an 11th connection
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try:
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mosq_test.do_client_connect(connect_packet_bad, connack_packet_bad, port=port)
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print("did not throw when trying to open 11th connection (second time)")
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return rc
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except (ConnectionResetError, BrokenPipeError):
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# Expected behaviour
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pass
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finally:
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# Close all allowed connections
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for sock in socks:
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sock.close()
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socks.clear()
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rc = 0
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except Exception as err:
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print(err)
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finally:
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os.remove(conf_file)
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broker.terminate()
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if mosq_test.wait_for_subprocess(broker):
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print("broker not terminated")
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if rc == 0: rc=1
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(_, stde) = broker.communicate()
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if rc:
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print(stde.decode('utf-8'))
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return rc
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sys.exit(do_test())
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