mosquitto/test/lib/11-prop-oversize-packet.py
2020-08-12 15:18:18 +01:00

61 lines
1.8 KiB
Python
Executable File

#!/usr/bin/env python3
# Test whether a client publishing an oversize packet correctly.
# The client should try to publish a message that is too big, then the one below which is ok.
# It should also try to subscribe with a too large topic
from mosq_test_helper import *
port = mosq_test.get_lib_port()
rc = 1
keepalive = 60
connect_packet = mosq_test.gen_connect("publish-qos0-test", keepalive=keepalive, proto_ver=5)
props = mqtt5_props.gen_uint32_prop(mqtt5_props.PROP_MAXIMUM_PACKET_SIZE, 30)
connack_packet = mosq_test.gen_connack(rc=0, proto_ver=5, properties=props)
bad_publish_packet = mosq_test.gen_publish("pub/test", qos=0, payload="0123456789012345678", proto_ver=5)
publish_packet = mosq_test.gen_publish("pub/test", qos=0, payload="012345678901234567", proto_ver=5)
disconnect_packet = mosq_test.gen_disconnect()
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
sock.settimeout(10)
sock.bind(('', port))
sock.listen(5)
client_args = sys.argv[1:]
env = dict(os.environ)
env['LD_LIBRARY_PATH'] = '../../lib:../../lib/cpp'
try:
pp = env['PYTHONPATH']
except KeyError:
pp = ''
env['PYTHONPATH'] = '../../lib/python:'+pp
client = mosq_test.start_client(filename=sys.argv[1].replace('/', '-'), cmd=client_args, env=env, port=port)
try:
(conn, address) = sock.accept()
conn.settimeout(10)
mosq_test.do_receive_send(conn, connect_packet, connack_packet, "connect")
mosq_test.expect_packet(conn, "publish", publish_packet)
mosq_test.expect_packet(conn, "disconnect", disconnect_packet)
rc = 0
conn.close()
except mosq_test.TestError:
pass
finally:
client.terminate()
client.wait()
if rc:
(stdo, stde) = client.communicate()
print(stde)
sock.close()
exit(rc)