APUE Learning Example Source Code
guowenxue
2019-06-26 157be0b0d4c7d4809cfcafc76235cc18388378c8
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
#!/usr/bin/env python3
 
# Test whether a SUBSCRIBE to $SYS or $share succeeds
 
from mosq_test_helper import *
 
def do_test(proto_ver):
    rc = 1
    keepalive = 60
    connect_packet = mosq_test.gen_connect("subscribe-test", keepalive=keepalive, proto_ver=proto_ver)
    connack_packet = mosq_test.gen_connack(rc=0, proto_ver=proto_ver)
 
    mid = 1
    subscribe1_packet = mosq_test.gen_subscribe(mid, "$SYS/broker/missing", 0, proto_ver=proto_ver)
    suback1_packet = mosq_test.gen_suback(mid, 0, proto_ver=proto_ver)
 
    mid = 2
    subscribe2_packet = mosq_test.gen_subscribe(mid, "$share/share/#", 0, proto_ver=proto_ver)
    suback2_packet = mosq_test.gen_suback(mid, 0, proto_ver=proto_ver)
 
    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, port=port)
        mosq_test.do_send_receive(sock, subscribe1_packet, suback1_packet, "suback1")
        mosq_test.do_send_receive(sock, subscribe2_packet, suback2_packet, "suback2")
 
        rc = 0
 
        sock.close()
    finally:
        broker.terminate()
        broker.wait()
        (stdo, stde) = broker.communicate()
        if rc:
            print(stde.decode('utf-8'))
            exit(rc)
 
do_test(4)
do_test(5)