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Diffstat (limited to 'M4-RCs/qpid/cpp/examples/request-response/server.cpp')
-rw-r--r-- | M4-RCs/qpid/cpp/examples/request-response/server.cpp | 162 |
1 files changed, 0 insertions, 162 deletions
diff --git a/M4-RCs/qpid/cpp/examples/request-response/server.cpp b/M4-RCs/qpid/cpp/examples/request-response/server.cpp deleted file mode 100644 index 2d62638dff..0000000000 --- a/M4-RCs/qpid/cpp/examples/request-response/server.cpp +++ /dev/null @@ -1,162 +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. - * - */ - - -/** - * server.cpp - * - * This program is one of two programs that illustrate the - * request/response pattern. - * - * - * client.cpp - * - * 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 (this program) - * - * 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/AsyncSession.h> -#include <qpid/client/Message.h> -#include <qpid/client/MessageListener.h> -#include <qpid/client/SubscriptionManager.h> - -#include <unistd.h> -#include <cstdlib> -#include <iostream> - -#include <sstream> -#include <string> - -using namespace qpid::client; -using namespace qpid::framing; -using std::stringstream; -using std::string; - -class Listener : public MessageListener{ - private: - SubscriptionManager& subscriptions; - AsyncSession asyncSession; - public: - Listener(SubscriptionManager& subscriptions, Session& session); - virtual void received(Message& message); -}; - -Listener::Listener(SubscriptionManager& subs, Session& session) - : subscriptions(subs), asyncSession(session) -{} - -void Listener::received(Message& request) { - Message response; - - // Get routing key for response from the request's replyTo property - string routingKey; - - if (request.getMessageProperties().hasReplyTo()) { - routingKey = request.getMessageProperties().getReplyTo().getRoutingKey(); - } else { - std::cout << "Error: " << "No routing key for request (" << request.getData() << ")" << std::endl; - return; - } - - std::cout << "Request: " << request.getData() << " (" <<routingKey << ")" << std::endl; - - // Transform message content to upper case - std::string s = request.getData(); - std::transform (s.begin(), s.end(), s.begin(), toupper); - response.setData(s); - - // Send it back to the user - response.getDeliveryProperties().setRoutingKey(routingKey); - - // Asynchronous transfer sends messages as quickly as - // possible without waiting for confirmation. - asyncSession.messageTransfer(arg::content=response, arg::destination="amq.direct"); -} - - -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 request queue for clients to use when making - // requests. - string request_queue = "request"; - - // Use the name of the request queue as the routing key - session.queueDeclare(arg::queue=request_queue); - session.exchangeBind(arg::exchange="amq.direct", arg::queue=request_queue, arg::bindingKey=request_queue); - - // Create a listener and subscribe it to the request_queue - std::cout << "Activating request queue listener for: " << request_queue << std::endl; - SubscriptionManager subscriptions(session); - Listener listener(subscriptions, session); - subscriptions.subscribe(listener, request_queue); - // Deliver messages until the subscription is cancelled - // by Listener::received() - - std::cout << "Waiting for requests" << std::endl; - subscriptions.run(); - - //----------------------------------------------------------------------------- - - connection.close(); - return 0; - } catch(const std::exception& error) { - std::cout << error.what() << std::endl; - } - return 1; -} - - |