| #!/usr/bin/ruby |
| # |
| # 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. |
| # |
| |
| require "qpid" |
| require "socket" |
| |
| broker = if ARGV.length > 0 then ARGV[0] else "localhost" end |
| port = if ARGV.length > 1 then ARGV[1].to_i else 5672 end |
| if ARGV.length > 2 then |
| puts "usage: hello-world.rb [ <broker> [ <port> ] ]" |
| exit 1 |
| end |
| |
| conn = Qpid::Connection.new(TCPSocket.new(broker, port)) |
| conn.start(10) |
| |
| ssn = conn.session("test") |
| |
| # create a queue |
| ssn.queue_declare("test-queue") |
| |
| # publish a message |
| dp = ssn.delivery_properties(:routing_key => "test-queue") |
| mp = ssn.message_properties(:content_type => "text/plain") |
| msg = Qpid::Message.new(dp, mp, "Hello World!") |
| ssn.message_transfer(:message => msg) |
| |
| # subscribe to a queue |
| ssn.message_subscribe(:destination => "messages", :queue => "test-queue", |
| :accept_mode => ssn.message_accept_mode.none) |
| incoming = ssn.incoming("messages") |
| |
| # start incoming message flow |
| incoming.start() |
| |
| # grab a message from the queue |
| p incoming.get(10) |
| |
| # cancel the subscription and close the session and connection |
| ssn.message_cancel(:destination => "messages") |
| ssn.close() |
| conn.close() |