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
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
|
#!/usr/bin/env python
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
#
""" Minimal message send example code."""
import optparse
import logging
import sys
import uuid
from proton import Message
import pyngus
from utils import connect_socket
from utils import get_host_port
from utils import process_connection
from utils import SEND_STATUS
LOG = logging.getLogger()
LOG.addHandler(logging.StreamHandler())
class ConnectionEventHandler(pyngus.ConnectionEventHandler):
def connection_failed(self, connection, error):
"""Connection's transport has failed in some way."""
LOG.warn("Connection failed: %s", error)
connection.close()
def connection_remote_closed(self, connection, pn_condition):
"""Peer has closed its end of the connection."""
LOG.debug("connection_remote_closed condition=%s", pn_condition)
connection.close()
class SenderEventHandler(pyngus.SenderEventHandler):
def sender_remote_closed(self, sender_link, pn_condition):
LOG.debug("Sender peer_closed condition=%s", pn_condition)
sender_link.close()
def sender_failed(self, sender_link, error):
"""Protocol error occurred."""
LOG.debug("Sender failed error=%s", error)
sender_link.close()
def main(argv=None):
_usage = """Usage: %prog [options] [message content string]"""
parser = optparse.OptionParser(usage=_usage)
parser.add_option("-a", dest="server", type="string",
default="amqp://0.0.0.0:5672",
help="The address of the server [amqp://0.0.0.0:5672]")
parser.add_option("--idle", dest="idle_timeout", type="int",
default=0,
help="Idle timeout for connection (seconds).")
parser.add_option("--debug", dest="debug", action="store_true",
help="enable debug logging")
parser.add_option("--source", dest="source_addr", type="string",
help="Address for link source.")
parser.add_option("--target", dest="target_addr", type="string",
help="Address for link target.")
parser.add_option("--trace", dest="trace", action="store_true",
help="enable protocol tracing")
parser.add_option("--ca",
help="Certificate Authority PEM file")
parser.add_option("--username", type="string",
help="User Id for authentication")
parser.add_option("--password", type="string",
help="User password for authentication")
parser.add_option("--sasl-mechs", type="string",
help="The list of acceptable SASL mechs")
opts, payload = parser.parse_args(args=argv)
if not payload:
payload = "Hi There!"
if opts.debug:
LOG.setLevel(logging.DEBUG)
host, port = get_host_port(opts.server)
my_socket = connect_socket(host, port)
# create AMQP Container, Connection, and SenderLink
#
container = pyngus.Container(uuid.uuid4().hex)
conn_properties = {'hostname': host,
'x-server': False}
if opts.trace:
conn_properties["x-trace-protocol"] = True
if opts.ca:
conn_properties["x-ssl-ca-file"] = opts.ca
if opts.idle_timeout:
conn_properties["idle-time-out"] = opts.idle_timeout
if opts.username:
conn_properties['x-username'] = opts.username
if opts.password:
conn_properties['x-password'] = opts.password
if opts.sasl_mechs:
conn_properties['x-sasl-mechs'] = opts.sasl_mechs
c_handler = ConnectionEventHandler()
connection = container.create_connection("sender",
c_handler,
conn_properties)
connection.open()
source_address = opts.source_addr or uuid.uuid4().hex
s_handler = SenderEventHandler()
sender = connection.create_sender(source_address,
opts.target_addr,
s_handler)
sender.open()
# Send a single message:
msg = Message()
msg.body = str(payload)
class SendCallback(object):
def __init__(self):
self.done = False
self.status = None
def __call__(self, link, handle, status, error):
self.done = True
self.status = status
cb = SendCallback()
sender.send(msg, cb)
# Poll connection until SendCallback is invoked:
while not cb.done and not connection.closed:
process_connection(connection, my_socket)
if cb.done:
print("Send done, status=%s" % SEND_STATUS.get(cb.status,
"???"))
else:
print("Send failed due to connection failure!")
sender.close()
connection.close()
# Poll connection until close completes:
while not connection.closed:
process_connection(connection, my_socket)
sender.destroy()
connection.destroy()
container.destroy()
my_socket.close()
return 0
if __name__ == "__main__":
sys.exit(main())
|
