1#!/usr/bin/env python3 2 3# Test whether a client sends a correct PUBLISH to a topic with QoS 2 and responds to a disconnect. 4 5from mosq_test_helper import * 6 7port = mosq_test.get_lib_port() 8 9rc = 1 10keepalive = 60 11connect_packet = mosq_test.gen_connect("publish-qos2-test", keepalive=keepalive) 12connack_packet = mosq_test.gen_connack(rc=0) 13 14disconnect_packet = mosq_test.gen_disconnect() 15 16mid = 1 17publish_packet = mosq_test.gen_publish("pub/qos2/test", qos=2, mid=mid, payload="message") 18publish_dup_packet = mosq_test.gen_publish("pub/qos2/test", qos=2, mid=mid, payload="message", dup=True) 19pubrec_packet = mosq_test.gen_pubrec(mid) 20pubrel_packet = mosq_test.gen_pubrel(mid) 21pubcomp_packet = mosq_test.gen_pubcomp(mid) 22 23sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) 24sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) 25sock.settimeout(10) 26sock.bind(('', port)) 27sock.listen(5) 28 29client_args = sys.argv[1:] 30env = dict(os.environ) 31env['LD_LIBRARY_PATH'] = '../../lib:../../lib/cpp' 32try: 33 pp = env['PYTHONPATH'] 34except KeyError: 35 pp = '' 36env['PYTHONPATH'] = '../../lib/python:'+pp 37client = mosq_test.start_client(filename=sys.argv[1].replace('/', '-'), cmd=client_args, env=env, port=port) 38 39try: 40 (conn, address) = sock.accept() 41 conn.settimeout(10) 42 43 mosq_test.do_receive_send(conn, connect_packet, connack_packet, "connect") 44 45 mosq_test.expect_packet(conn, "publish", publish_packet) 46 # Disconnect client. It should reconnect. 47 conn.close() 48 49 (conn, address) = sock.accept() 50 conn.settimeout(15) 51 52 mosq_test.do_receive_send(conn, connect_packet, connack_packet, "connect") 53 mosq_test.do_receive_send(conn, publish_dup_packet, pubrec_packet, "retried publish") 54 55 mosq_test.expect_packet(conn, "pubrel", pubrel_packet) 56 # Disconnect client. It should reconnect. 57 conn.close() 58 59 (conn, address) = sock.accept() 60 conn.settimeout(15) 61 62 # Complete connection and message flow. 63 mosq_test.do_receive_send(conn, connect_packet, connack_packet, "connect") 64 mosq_test.do_receive_send(conn, pubrel_packet, pubcomp_packet, "retried pubrel") 65 66 mosq_test.expect_packet(conn, "disconnect", disconnect_packet) 67 rc = 0 68 69 conn.close() 70except mosq_test.TestError: 71 pass 72finally: 73 client.terminate() 74 client.wait() 75 sock.close() 76 77exit(rc) 78