mosquitto/test/broker/06-bridge-br2b-disconnect-qos2.py
2019-04-02 14:06:28 +01:00

117 lines
4.0 KiB
Python
Executable File

#!/usr/bin/env python3
# Does a bridge resend a QoS=1 message correctly after a disconnect?
from mosq_test_helper import *
def write_config(filename, port1, port2):
with open(filename, 'w') as f:
f.write("port %d\n" % (port2))
f.write("\n")
f.write("connection bridge_sample\n")
f.write("address 127.0.0.1:%d\n" % (port1))
f.write("topic bridge/# both 2\n")
f.write("notifications false\n")
f.write("restart_timeout 5\n")
(port1, port2) = mosq_test.get_port(2)
conf_file = os.path.basename(__file__).replace('.py', '.conf')
write_config(conf_file, port1, port2)
rc = 1
keepalive = 60
client_id = socket.gethostname()+".bridge_sample"
connect_packet = mosq_test.gen_connect(client_id, keepalive=keepalive, clean_session=False, proto_ver=128+4)
connack_packet = mosq_test.gen_connack(rc=0)
mid = 1
subscribe_packet = mosq_test.gen_subscribe(mid, "bridge/#", 2)
suback_packet = mosq_test.gen_suback(mid, 2)
mid = 3
subscribe2_packet = mosq_test.gen_subscribe(mid, "bridge/#", 2)
suback2_packet = mosq_test.gen_suback(mid, 2)
mid = 4
subscribe3_packet = mosq_test.gen_subscribe(mid, "bridge/#", 2)
suback3_packet = mosq_test.gen_suback(mid, 2)
mid = 2
publish_packet = mosq_test.gen_publish("bridge/disconnect/test", qos=2, mid=mid, payload="disconnect-message")
publish_dup_packet = mosq_test.gen_publish("bridge/disconnect/test", qos=2, mid=mid, payload="disconnect-message", dup=True)
pubrec_packet = mosq_test.gen_pubrec(mid)
pubrel_packet = mosq_test.gen_pubrel(mid)
pubcomp_packet = mosq_test.gen_pubcomp(mid)
ssock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
ssock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
ssock.settimeout(40)
ssock.bind(('', port1))
ssock.listen(5)
broker = mosq_test.start_broker(filename=os.path.basename(__file__), port=port2, use_conf=True)
try:
(bridge, address) = ssock.accept()
bridge.settimeout(20)
if mosq_test.expect_packet(bridge, "connect", connect_packet):
bridge.send(connack_packet)
if mosq_test.expect_packet(bridge, "subscribe", subscribe_packet):
bridge.send(suback_packet)
pub = subprocess.Popen(['./06-bridge-br2b-disconnect-qos2-helper.py', str(port2)], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
if pub.wait():
exit(1)
(stdo, stde) = pub.communicate()
if mosq_test.expect_packet(bridge, "publish", publish_packet):
bridge.close()
(bridge, address) = ssock.accept()
bridge.settimeout(20)
if mosq_test.expect_packet(bridge, "connect", connect_packet):
bridge.send(connack_packet)
if mosq_test.expect_packet(bridge, "2nd subscribe", subscribe2_packet):
bridge.send(suback2_packet)
if mosq_test.expect_packet(bridge, "2nd publish", publish_dup_packet):
bridge.send(pubrec_packet)
if mosq_test.expect_packet(bridge, "pubrel", pubrel_packet):
bridge.close()
(bridge, address) = ssock.accept()
bridge.settimeout(20)
if mosq_test.expect_packet(bridge, "connect", connect_packet):
bridge.send(connack_packet)
if mosq_test.expect_packet(bridge, "3rd subscribe", subscribe3_packet):
bridge.send(suback3_packet)
if mosq_test.expect_packet(bridge, "2nd pubrel", pubrel_packet):
bridge.send(pubcomp_packet)
rc = 0
bridge.close()
finally:
os.remove(conf_file)
try:
bridge.close()
except NameError:
pass
broker.terminate()
broker.wait()
(stdo, stde) = broker.communicate()
if rc:
print(stde.decode('utf-8'))
ssock.close()
exit(rc)