#!/usr/bin/env python3 # Does the broker respect max_inflight_bytes? # Also check whether the send quota is dealt with properly when both # RECEIVE-MAXIMUM and max_inflight_bytes are set. # MQTT v5 from mosq_test_helper import * def write_config(filename, port): with open(filename, 'w') as f: f.write("listener %d\n" % (port)) f.write("allow_anonymous true\n") f.write("max_inflight_bytes 16\n") def send_small(port): rc = 1 connect_packet = mosq_test.gen_connect("subpub-qos2-test-helper") connack_packet = mosq_test.gen_connack(rc=0) sock = mosq_test.do_client_connect(connect_packet, connack_packet, port=port) for i in range(0, 10): mid = 1+i publish_packet = mosq_test.gen_publish("subpub/qos2", qos=2, mid=mid, payload=str(i+1)) pubrec_packet = mosq_test.gen_pubrec(mid) pubrel_packet = mosq_test.gen_pubrel(mid) pubcomp_packet = mosq_test.gen_pubcomp(mid) mosq_test.do_send_receive(sock, publish_packet, pubrec_packet, "pubrec") mosq_test.do_send_receive(sock, pubrel_packet, pubcomp_packet, "pubcomp") def do_test(proto_ver): if proto_ver == 4: exit(0) rc = 1 keepalive = 60 props = mqtt5_props.gen_uint16_prop(mqtt5_props.PROP_RECEIVE_MAXIMUM, 5) connect_packet = mosq_test.gen_connect("subpub-qos2-test", keepalive=keepalive, proto_ver=5, properties=props) connack_packet = mosq_test.gen_connack(rc=0, proto_ver=5) mid = 1 subscribe_packet = mosq_test.gen_subscribe(mid, "subpub/qos2", 2, proto_ver=5) suback_packet = mosq_test.gen_suback(mid, 2, proto_ver=5) port = mosq_test.get_port() conf_file = os.path.basename(__file__).replace('.py', '.conf') write_config(conf_file, port) broker = mosq_test.start_broker(filename=os.path.basename(__file__), port=port, use_conf=True) try: sock = mosq_test.do_client_connect(connect_packet, connack_packet, timeout=20, port=port) mosq_test.do_send_receive(sock, subscribe_packet, suback_packet, "suback") # Repeat many times to stress the send quota mid = 0 for i in range(0, 12): pub = subprocess.Popen(['./02-subpub-qos2-receive-maximum-helper.py', str(port)], stdout=subprocess.PIPE, stderr=subprocess.PIPE) pub.wait() (stdo, stde) = pub.communicate() mid += 1 publish_packet1 = mosq_test.gen_publish("subpub/qos2", qos=2, mid=mid, payload="message1", proto_ver=5) pubrec_packet1 = mosq_test.gen_pubrec(mid, proto_ver=5) pubrel_packet1 = mosq_test.gen_pubrel(mid, proto_ver=5) pubcomp_packet1 = mosq_test.gen_pubcomp(mid, proto_ver=5) mid += 1 publish_packet2 = mosq_test.gen_publish("subpub/qos2", qos=2, mid=mid, payload="message2", proto_ver=5) pubrec_packet2 = mosq_test.gen_pubrec(mid, proto_ver=5) pubrel_packet2 = mosq_test.gen_pubrel(mid, proto_ver=5) pubcomp_packet2 = mosq_test.gen_pubcomp(mid, proto_ver=5) mid += 1 publish_packet3 = mosq_test.gen_publish("subpub/qos2", qos=2, mid=mid, payload="message3", proto_ver=5) pubrec_packet3 = mosq_test.gen_pubrec(mid, proto_ver=5) pubrel_packet3 = mosq_test.gen_pubrel(mid, proto_ver=5) pubcomp_packet3 = mosq_test.gen_pubcomp(mid, proto_ver=5) mosq_test.expect_packet(sock, "publish1", publish_packet1) mosq_test.expect_packet(sock, "publish2", publish_packet2) mosq_test.do_send_receive(sock, pubrec_packet1, pubrel_packet1, "pubrel1") sock.send(pubcomp_packet1) mosq_test.expect_packet(sock, "publish3", publish_packet3) mosq_test.do_send_receive(sock, pubrec_packet2, pubrel_packet2, "pubrel2") sock.send(pubcomp_packet2) mosq_test.do_send_receive(sock, pubrec_packet3, pubrel_packet3, "pubrel3") sock.send(pubcomp_packet3) # send messages where count will exceed max_inflight_messages, but the # payload bytes won't exceed max_inflight_bytes send_small(port) mid += 1 publish_packet1 = mosq_test.gen_publish("subpub/qos2", qos=2, mid=mid, payload="1", proto_ver=5) pubrec_packet1 = mosq_test.gen_pubrec(mid, proto_ver=5) pubrel_packet1 = mosq_test.gen_pubrel(mid, proto_ver=5) pubcomp_packet1 = mosq_test.gen_pubcomp(mid, proto_ver=5) mid += 1 publish_packet2 = mosq_test.gen_publish("subpub/qos2", qos=2, mid=mid, payload="2", proto_ver=5) pubrec_packet2 = mosq_test.gen_pubrec(mid, proto_ver=5) pubrel_packet2 = mosq_test.gen_pubrel(mid, proto_ver=5) pubcomp_packet2 = mosq_test.gen_pubcomp(mid, proto_ver=5) mid += 1 publish_packet3 = mosq_test.gen_publish("subpub/qos2", qos=2, mid=mid, payload="3", proto_ver=5) pubrec_packet3 = mosq_test.gen_pubrec(mid, proto_ver=5) pubrel_packet3 = mosq_test.gen_pubrel(mid, proto_ver=5) pubcomp_packet3 = mosq_test.gen_pubcomp(mid, proto_ver=5) mid += 1 publish_packet4 = mosq_test.gen_publish("subpub/qos2", qos=2, mid=mid, payload="4", proto_ver=5) pubrec_packet4 = mosq_test.gen_pubrec(mid, proto_ver=5) pubrel_packet4 = mosq_test.gen_pubrel(mid, proto_ver=5) pubcomp_packet4 = mosq_test.gen_pubcomp(mid, proto_ver=5) mid += 1 publish_packet5 = mosq_test.gen_publish("subpub/qos2", qos=2, mid=mid, payload="5", proto_ver=5) pubrec_packet5 = mosq_test.gen_pubrec(mid, proto_ver=5) pubrel_packet5 = mosq_test.gen_pubrel(mid, proto_ver=5) pubcomp_packet5 = mosq_test.gen_pubcomp(mid, proto_ver=5) mosq_test.expect_packet(sock, "publish1s", publish_packet1) mosq_test.expect_packet(sock, "publish2s", publish_packet2) mosq_test.expect_packet(sock, "publish3s", publish_packet3) mosq_test.expect_packet(sock, "publish4s", publish_packet4) mosq_test.expect_packet(sock, "publish5s", publish_packet5) mosq_test.do_send_receive(sock, pubrec_packet1, pubrel_packet1, "pubrel1s") mosq_test.do_send_receive(sock, pubrec_packet2, pubrel_packet2, "pubrel2s") mosq_test.do_send_receive(sock, pubrec_packet3, pubrel_packet3, "pubrel3s") mosq_test.do_send_receive(sock, pubrec_packet4, pubrel_packet4, "pubrel4s") mosq_test.do_send_receive(sock, pubrec_packet5, pubrel_packet5, "pubrel5s") rc = 0 sock.close() except mosq_test.TestError: pass except Exception as e: print(e) finally: os.remove(conf_file) broker.terminate() broker.wait() (stdo, stde) = broker.communicate() if rc: #print(stde.decode('utf-8')) print("proto_ver=%d" % (proto_ver)) exit(rc) do_test(proto_ver=5) exit(0)