#!/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. # """ client.py Client for testing use of Unicode and datatypes. Both client and server will be written in C++ and Python. Tests can run clients and servers written in different languages, and they can be run on 32-bit and 64-bit architectures. """ import qpid import sys import os from qpid.util import connect from qpid.connection import Connection from qpid.datatypes import Message, RangedSet, uuid4 from qpid.queue import Empty import testdata #----- 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, username=user, password=password) connection.start() session = connection.session(str(uuid4())) #----- Main Body -- ---------------------------------------- # Create a response queue for the server to send responses to. Use the # same string as the name of the queue and the name of the routing # key. reply_to = "reply_to:" + session.name session.queue_declare(queue=reply_to, exclusive=True) session.exchange_bind(exchange="amq.direct", queue=reply_to, binding_key=reply_to) # Create a local queue and subscribe it to the response queue local_queue_name = "local_queue" queue = session.incoming(local_queue_name) # Call message_subscribe() to tell the broker to deliver messages from # the server's reply_to queue to our local client queue. The server # will start delivering messages as soon as message credit is # available. session.message_subscribe(queue=reply_to, destination=local_queue_name) queue.start() # Set up the properties. Perhaps a few application headers? delivery_properties = session.delivery_properties(routing_key="request") message_properties = session.message_properties() message_properties.content_encoding="text/plain; charset='utf-8'" testdata.set_application_headers(message_properties) message_properties.reply_to = session.reply_to("amq.direct", reply_to) # deliver the message - remember to encode the Unicode string! request = Message(message_properties, delivery_properties, testdata.String_Greek.encode("utf8")) session.message_transfer(destination="amq.direct", message=request) # Now see what messages the server sent to our reply_to queue try: response = queue.get(timeout=10) content = response.body session.message_accept(RangedSet(response.id)) testdata.check_message(response) print "Response: " + content except Empty: print "No more messages!" exit(1) except: print "Unexpected exception!" exit(1) #----- Cleanup ------------------------------------------------ # Clean up before exiting so there are no open threads. session.close(timeout=10)