mosquitto/test/broker/06-bridge-connack-retain-not-supported.py
2026-05-03 01:17:26 +01:00

92 lines
3.3 KiB
Python
Executable file

#!/usr/bin/env python3
# Does a bridge honour retain-available
from mosq_test_helper import *
mosq_test.require_features(["INC_BRIDGE_SUPPORT"])
def write_config(filename, port1, port2):
with open(filename, 'w') as f:
f.write("listener %d\n" % (port2))
f.write("allow_anonymous true\n")
f.write("retain_available false\n")
f.write("\n")
f.write("connection bridge_sample\n")
f.write("address localhost:%d\n" % (port1))
f.write("bridge_protocol_version mqttv50\n")
f.write("topic \"bridge with space/#\" both 1\n")
f.write("bridge_max_topic_alias 0\n")
f.write("restart_timeout 2\n")
def do_test():
(port1, port2) = mosq_test.get_port(2)
conf_file = os.path.basename(__file__).replace('.py', '.conf')
write_config(conf_file, port1, port2)
rc = 1
hostname = socket.gethostname()
client_id = hostname+".bridge_sample"
connect_packet_retain = mosq_test.gen_connect(client_id, clean_session=False, proto_ver=5, will_topic=f"$SYS/broker/connection/{hostname}.bridge_sample/state", will_payload=b"0", will_qos=1, will_retain=True)
connect_packet_no_retain = mosq_test.gen_connect(client_id, clean_session=False, proto_ver=5, will_topic=f"$SYS/broker/connection/{hostname}.bridge_sample/state", will_payload=b"0", will_qos=1, will_retain=False)
props = mqtt5_props.gen_byte_prop(mqtt5_props.RETAIN_AVAILABLE, 0)
connack_packet = mosq_test.gen_connack(rc=0, proto_ver=5, properties=props)
mid = 1
opts = mqtt5_opts.MQTT_SUB_OPT_NO_LOCAL | mqtt5_opts.MQTT_SUB_OPT_RETAIN_AS_PUBLISHED
subscribe_packet = mosq_test.gen_subscribe(mid, "bridge with space/#", 1 | opts, proto_ver=5)
suback_packet = mosq_test.gen_suback(mid, 1, proto_ver=5)
publish_packet = mosq_test.gen_publish("bridge with space/retain/test", qos=0, retain=True, payload="message", proto_ver=5)
helper_connect_packet = mosq_test.gen_connect("helper", clean_session=True, proto_ver=5)
helper_connack_packet = mosq_test.gen_connack(rc=0, proto_ver=5)
helper_publish_packet = mosq_test.gen_publish("bridge with space/retain/test", qos=0, retain=True, payload="message", proto_ver=5)
ssock = mosq_test.listen_sock(port1)
try:
broker = mosq_test.start_broker(filename=os.path.basename(__file__), port=port2, use_conf=True)
# Connect with a will with retain set, get refused
(bridge, address) = ssock.accept()
bridge.settimeout(20)
mosq_test.expect_packet(bridge, "connect", connect_packet_retain)
bridge.send(connack_packet)
bridge.close()
# Now retry without retain
(bridge, address) = ssock.accept()
bridge.settimeout(20)
mosq_test.expect_packet(bridge, "connect", connect_packet_no_retain)
bridge.send(connack_packet)
bridge.close()
rc = 0
bridge.close()
except mosq_test.TestError:
pass
finally:
os.remove(conf_file)
try:
bridge.close()
except NameError:
pass
mosq_test.terminate_broker(broker)
if mosq_test.wait_for_subprocess(broker):
print("broker not terminated")
if rc == 0: rc=1
ssock.close()
if rc:
print(mosq_test.broker_log(broker))
exit(rc)
do_test()
exit(0)