| #!/usr/bin/env perl |
| # |
| # 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. |
| # |
| use strict; |
| use warnings; |
| |
| use qpid; |
| |
| my $url = ( @ARGV == 1 ) ? $ARGV[0] : "amqp:tcp:127.0.0.1:5672"; |
| my $connectionOptions = ( @ARGV > 1 ) ? $ARGV[1] : ""; |
| |
| # create a connection object |
| my $connection = new qpid::messaging::Connection( $url, $connectionOptions ); |
| |
| eval { |
| |
| # connect to the broker and create a session |
| $connection->open(); |
| my $session = $connection->create_session(); |
| |
| # create a receiver for accepting incoming messages |
| my $receiver = $session->create_receiver("service_queue; {create: always}"); |
| |
| # go into an infinite loop to receive messages and process them |
| while (1) { |
| |
| # wait for the next message to be processed |
| my $request = $receiver->fetch(); |
| |
| |
| # get the address for sending replies |
| # if no address was supplised then we can't really respond, so |
| # only process when one is present |
| my $address = $request->get_reply_to(); |
| if ($address) { |
| |
| # a temporary sender for sending to the response queue |
| my $sender = $session->create_sender($address); |
| my $s = $request->get_content(); |
| $s = uc($s); |
| |
| # create the response message and send it |
| my $response = new qpid::messaging::Message($s); |
| $sender->send($response); |
| print "Processed request: " |
| . $request->get_content() . " -> " |
| . $response->get_content() . "\n"; |
| |
| # acknowledge the message since it was processed |
| $session->acknowledge(); |
| } |
| else { |
| print "Error: no reply address specified for request: " |
| . $request->get_content() . "\n"; |
| $session->reject($request); |
| } |
| } |
| |
| # close connections to clean up |
| $session->close(); |
| $connection->close(); |
| }; |
| |
| if ($@) { |
| die $@; |
| } |
| |