66 lines
2.5 KiB
Python
66 lines
2.5 KiB
Python
|
#!/usr/bin/env python
|
||
|
|
|
||
|
|
# Test whether the broker reduces the message expiry interval when republishing a will.
|
||
|
|
# MQTT v5
|
||
|
|
|
||
|
|
# Client connects with clean session set false, subscribes with qos=1, then disconnects
|
||
|
|
# Helper publishes two messages, one with a short expiry and one with a long expiry
|
||
|
|
# We wait until the short expiry will have expired but the long one not.
|
||
|
|
# Client reconnects, expects delivery of the long expiry message with a reduced
|
||
|
|
# expiry interval property.
|
||
|
|
|
||
|
|
from mosq_test_helper import *
|
||
|
|
|
||
|
|
rc = 1
|
||
|
|
mid = 53
|
||
|
|
keepalive = 60
|
||
|
|
connect_packet = mosq_test.gen_connect("subpub-qos0-test", keepalive=keepalive, proto_ver=5, clean_session=False)
|
||
|
|
connack1_packet = mosq_test.gen_connack(rc=0, proto_ver=5)
|
||
|
|
connack2_packet = mosq_test.gen_connack(rc=0, proto_ver=5, flags=1)
|
||
|
|
|
||
|
|
subscribe_packet = mosq_test.gen_subscribe(mid, "subpub/qos1", 1, proto_ver=5)
|
||
|
|
suback_packet = mosq_test.gen_suback(mid, 1, proto_ver=5)
|
||
|
|
|
||
|
|
|
||
|
|
props = mqtt5_props.gen_uint32_prop(mqtt5_props.PROP_MESSAGE_EXPIRY_INTERVAL, 10)
|
||
|
|
helper_connect = mosq_test.gen_connect("helper", proto_ver=5, will_topic="subpub/qos1", will_qos=1, will_payload="message", will_properties=props, keepalive=2)
|
||
|
|
helper_connack = mosq_test.gen_connack(rc=0, proto_ver=5)
|
||
|
|
|
||
|
|
#mid=2
|
||
|
|
props = mqtt5_props.gen_uint32_prop(mqtt5_props.PROP_MESSAGE_EXPIRY_INTERVAL, 10)
|
||
|
|
publish2s_packet = mosq_test.gen_publish("subpub/qos1", mid=mid, qos=1, payload="message2", proto_ver=5, properties=props)
|
||
|
|
puback2s_packet = mosq_test.gen_puback(mid)
|
||
|
|
|
||
|
|
|
||
|
|
port = mosq_test.get_port()
|
||
|
|
broker = mosq_test.start_broker(filename=os.path.basename(__file__), port=port)
|
||
|
|
|
||
|
|
try:
|
||
|
|
sock = mosq_test.do_client_connect(connect_packet, connack1_packet, timeout=20, port=port)
|
||
|
|
mosq_test.do_send_receive(sock, subscribe_packet, suback_packet, "suback")
|
||
|
|
sock.close()
|
||
|
|
|
||
|
|
helper = mosq_test.do_client_connect(helper_connect, helper_connack, timeout=20, port=port)
|
||
|
|
|
||
|
|
time.sleep(2)
|
||
|
|
|
||
|
|
sock = mosq_test.do_client_connect(connect_packet, connack2_packet, timeout=20, port=port)
|
||
|
|
packet = sock.recv(len(publish2s_packet))
|
||
|
|
for i in range(10, 5, -1):
|
||
|
|
props = mqtt5_props.gen_uint32_prop(mqtt5_props.PROP_MESSAGE_EXPIRY_INTERVAL, i)
|
||
|
|
publish2r_packet = mosq_test.gen_publish("subpub/qos1", mid=1, qos=1, payload="message", proto_ver=5, properties=props)
|
||
|
|
if packet == publish2r_packet:
|
||
|
|
rc = 0
|
||
|
|
break
|
||
|
|
|
||
|
|
sock.close()
|
||
|
|
finally:
|
||
|
|
broker.terminate()
|
||
|
|
broker.wait()
|
||
|
|
(stdo, stde) = broker.communicate()
|
||
|
|
if rc:
|
||
|
|
print(stde)
|
||
|
|
|
||
|
|
exit(rc)
|
||
|
|
|