#!/usr/bin/env python3
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# Test whether a client sends a pingreq after the keepalive time
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# Client sets a keepalive of 60 seconds, but receives a server keepalive to set
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# it back to 4 seconds.
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from mosq_test_helper import *
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port = mosq_test.get_lib_port()
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rc = 1
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keepalive = 60
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server_keepalive = 4
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connect_packet = mosq_test.gen_connect("01-server-keepalive-pingreq", keepalive=keepalive, proto_ver=5)
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props = mqtt5_props.gen_uint16_prop(mqtt5_props.PROP_SERVER_KEEP_ALIVE, server_keepalive)
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connack_packet = mosq_test.gen_connack(rc=0, proto_ver=5, properties=props)
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pingreq_packet = mosq_test.gen_pingreq()
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pingresp_packet = mosq_test.gen_pingresp()
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sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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sock.settimeout(10)
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sock.bind(('', port))
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sock.listen(5)
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client_args = sys.argv[1:]
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env = dict(os.environ)
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env['LD_LIBRARY_PATH'] = '../../lib:../../lib/cpp'
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try:
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pp = env['PYTHONPATH']
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except KeyError:
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pp = ''
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env['PYTHONPATH'] = '../../lib/python:'+pp
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client = mosq_test.start_client(filename=sys.argv[1].replace('/', '-'), cmd=client_args, env=env, port=port)
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try:
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(conn, address) = sock.accept()
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conn.settimeout(server_keepalive+10)
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if mosq_test.expect_packet(conn, "connect", connect_packet):
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conn.send(connack_packet)
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if mosq_test.expect_packet(conn, "pingreq", pingreq_packet):
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time.sleep(1.0)
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conn.send(pingresp_packet)
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if mosq_test.expect_packet(conn, "pingreq", pingreq_packet):
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rc = 0
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conn.close()
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finally:
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client.terminate()
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client.wait()
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sock.close()
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exit(rc)
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