/* * * 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. * */ /** * topic_publisher.cpp: * * This program is one of three programs designed to be used * together. These programs implement a publish-subscribe example * using the "amq.topic" exchange. In the example multiple listeners * can subscribe to the same queues for TTL messages. * The TTL messages are all ticker price data. Messages are * browsed and therefore shared among the multiple listeners. * Messages timeout using TTL so that they don't stay in the queue * for too long and fill it up. * Local exclusive LVQ are also declared for market data. * * declare_queues.cpp * * Declares several non-exclusive queues bound to the amq:topic exchange * * topic_publisher.cpp * * Sends messages to the "amq.topic" exchange, using the * multipart routing keys for ticker price and market data * Ticker messages are sent using a TTL value. * * topic_listener.cpp (this program) * * Subscribes to non-exclusive queues in NOT_ACQUIRE mode for * ticker price data and declares two LVQs for market data. * * Multiple listeners can be run at the same time. * */ #include #include using namespace qpid::client; using namespace qpid::framing; int main(int argc, char** argv) { const char* host = argc>1 ? argv[1] : "127.0.0.1"; int port = argc>2 ? atoi(argv[2]) : 5672; Connection connection; try { connection.open(host, port); Session session = connection.newSession(); //--------- Main body of program -------------------------------------------- // Create a queue named "message_queue", and route all messages whose // routing key is "routing_key" to this newly created queue. session.queueDeclare(arg::queue="TICKER.NYSE", arg::exclusive=false); session.exchangeBind(arg::exchange="amq.topic", arg::queue="TICKER.NYSE", arg::bindingKey="TICKER.NYSE.#"); std::cout << "Declared queue Ticker NYSE non-exclusive with amq:topic binding TICKER.NYSE.#" << std::endl; session.queueDeclare(arg::queue="TICKER.NASDAQ", arg::exclusive=false); session.exchangeBind(arg::exchange="amq.topic", arg::queue="TICKER.NASDAQ", arg::bindingKey="TICKER.NASDAQ.#"); std::cout << "Declared queue Ticker NASDAQ non-exclusive with amq:topic binding TICKER.NASDAQ.#" << std::endl; //----------------------------------------------------------------------------- connection.close(); return 0; } catch(const std::exception& error) { std::cout << error.what() << std::endl; } return 1; }