#!/usr/bin/env python

# Test whether a client subscribed to a topic receives its own message sent to that topic.

import inspect, os, sys
# From http://stackoverflow.com/questions/279237/python-import-a-module-from-a-folder
cmd_subfolder = os.path.realpath(os.path.abspath(os.path.join(os.path.split(inspect.getfile( inspect.currentframe() ))[0],"..")))
if cmd_subfolder not in sys.path:
    sys.path.insert(0, cmd_subfolder)

import mosq_test

rc = 1
mid = 530
keepalive = 60
connect_packet = mosq_test.gen_connect("subpub-qos2-test", keepalive=keepalive)
connack_packet = mosq_test.gen_connack(rc=0)

subscribe_packet = mosq_test.gen_subscribe(mid, "subpub/qos2", 2)
suback_packet = mosq_test.gen_suback(mid, 2)

mid = 301
publish_packet = mosq_test.gen_publish("subpub/qos2", qos=2, mid=mid, payload="message")
pubrec_packet = mosq_test.gen_pubrec(mid)
pubrel_packet = mosq_test.gen_pubrel(mid)
pubcomp_packet = mosq_test.gen_pubcomp(mid)

mid = 1
publish_packet2 = mosq_test.gen_publish("subpub/qos2", qos=2, mid=mid, payload="message")
pubrec_packet2 = mosq_test.gen_pubrec(mid)
pubrel_packet2 = mosq_test.gen_pubrel(mid)
pubcomp_packet2 = mosq_test.gen_pubcomp(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, connack_packet, timeout=20, port=port)
    sock.send(subscribe_packet)

    if mosq_test.expect_packet(sock, "suback", suback_packet):
        sock.send(publish_packet)

        if mosq_test.expect_packet(sock, "pubrec", pubrec_packet):
            sock.send(pubrel_packet)

            if mosq_test.expect_packet(sock, "pubcomp", pubcomp_packet):
                if mosq_test.expect_packet(sock, "publish2", publish_packet2):
                    sock.send(pubrec_packet2)

                    if mosq_test.expect_packet(sock, "pubrel2", pubrel_packet2):
                        # Broker side of flow complete so can quit here.
                        rc = 0

    sock.close()
finally:
    broker.terminate()
    broker.wait()
    (stdo, stde) = broker.communicate()
    if rc:
        print(stde)

exit(rc)