blob: 0ab079e7a6faae70ecd165095bc3c73ab62cf7b4 (
plain)
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
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
#!/usr/bin/env python
"""
direct_consumer.py
This AMQP client reads messages from a message
queue named "message_queue".
"""
import qpid
import sys
import os
from random import randint
from qpid.util import connect
from qpid.connection import Connection
from qpid.datatypes import Message, RangedSet, uuid4
from qpid.queue import Empty
#----- Initialization --------------------------------------
# Set parameters for login
host="127.0.0.1"
port=5672
user="guest"
password="guest"
# If an alternate host or port has been specified, use that instead
# (this is used in our unit tests)
if len(sys.argv) > 1 :
host=sys.argv[1]
if len(sys.argv) > 2 :
port=int(sys.argv[2])
# Create a connection.
socket = connect(host, port)
connection = Connection (sock=socket)
connection.start()
session = connection.session(str(uuid4()))
#----- Read from queue --------------------------------------------
# Now let's create a local client queue and tell it to read
# incoming messages.
# The consumer tag identifies the client-side queue.
local_queue_name = "local_queue"
local_queue = session.incoming(local_queue_name)
# Call message_consume() to tell the broker to deliver messages
# from the AMQP queue to this local client queue. The broker will
# start delivering messages as soon as local_queue.start() is called.
session.message_subscribe(queue="message_queue", destination=local_queue_name)
local_queue.start()
# Initialize 'final' and 'content', variables used to identify the last message.
message = None
while True:
try:
message = local_queue.get(timeout=10)
session.message_accept(RangedSet(message.id))
content = message.body
print content
except Empty:
print "No more messages!"
break
#----- Cleanup ------------------------------------------------
# Clean up before exiting so there are no open threads.
#
session.close()
|
