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Diffstat (limited to 'cpp/examples/request-response/client.cpp')
| -rw-r--r-- | cpp/examples/request-response/client.cpp | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/cpp/examples/request-response/client.cpp b/cpp/examples/request-response/client.cpp deleted file mode 100644 index 679d1c5fc2..0000000000 --- a/cpp/examples/request-response/client.cpp +++ /dev/null @@ -1,163 +0,0 @@ -/* - * - * 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.cpp - * - * This program is one of two programs that illustrate the - * request/response pattern. - * - * - * client.cpp (this program) - * - * A client application that sends messages to the "amq.direct" - * exchange, using the routing key "request" to route messages to - * the server. - * - * Each instance of the client creates its own private response - * queue, binding it to the "amq.direct" exchange using it's - * session identifier as the routing key, and places its session - * identifier in the "reply-to" property of each message it sends. - * - * - * server.cpp - * - * A service that accepts messages from a request queue, converts - * their content to upper case, and sends the result to the - * original sender. - * - * This program creates a request queue, binds it to "amq.direct" - * using the routing key "request", then receives messages from - * the request queue. Each incoming message is converted to upper - * case, then sent to the "amq.direct" exchange using the - * request's reply-to property as the routing key for the - * response. - * - * - */ - -#include <qpid/client/Connection.h> -#include <qpid/client/Session.h> -#include <qpid/client/Message.h> -#include <qpid/client/MessageListener.h> -#include <qpid/client/SubscriptionManager.h> - -#include <cstdlib> -#include <iostream> - -#include <sstream> - -using namespace qpid::client; -using namespace qpid::framing; - -using std::stringstream; -using std::string; - -class Listener : public MessageListener{ - private: - SubscriptionManager& subscriptions; - int counter; - public: - Listener(SubscriptionManager& subscriptions); - virtual void received(Message& message); -}; - -Listener::Listener(SubscriptionManager& subs) : subscriptions(subs), counter(0) -{} - -void Listener::received(Message& message) { - std::cout << "Response: " << message.getData() << std::endl; - - ++ counter; - if (counter > 3) { - std::cout << "Shutting down listener for " << message.getDestination() << std::endl; - subscriptions.cancel(message.getDestination()); - } -} - - - -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 response queue so the server can send us responses - // to our requests. Use the client's session ID as the name - // of the response queue. - - stringstream response_queue; - response_queue << "client" << session.getId().getName(); - - // Use the name of the response queue as the routing key - - session.queueDeclare(arg::queue=response_queue.str()); - session.exchangeBind(arg::exchange="amq.direct", arg::queue=response_queue.str(), arg::bindingKey=response_queue.str()); - - // Each client sends the name of their own response queue so - // the service knows where to route messages. - - Message request; - request.getDeliveryProperties().setRoutingKey("request"); - request.getMessageProperties().setReplyTo(ReplyTo("amq.direct", response_queue.str())); - - // Create a listener for the response queue and listen for response messages. - std::cout << "Activating response queue listener for: " << response_queue.str() << std::endl; - SubscriptionManager subscriptions(session); - Listener listener(subscriptions); - subscriptions.subscribe(listener, response_queue.str()); - - // Now send some requests ... - - string s[] = { - "Twas brillig, and the slithy toves", - "Did gire and gymble in the wabe.", - "All mimsy were the borogroves,", - "And the mome raths outgrabe." - }; - - - for (int i=0; i<4; i++) { - request.setData(s[i]); - session.messageTransfer(arg::content=request, arg::destination="amq.direct"); - std::cout << "Request: " << s[i] << std::endl; - } - - std::cout << "Waiting for all responses to arrive ..." << std::endl; - subscriptions.run(); - - //----------------------------------------------------------------------------- - - connection.close(); - return 0; - } catch(const std::exception& error) { - std::cout << error.what() << std::endl; - } - return 1; -} - - |