| /* |
| * |
| * 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. |
| * |
| */ |
| |
| |
| /** |
| * |
| * xml_producer.cpp |
| * |
| * This is one of three programs used to implement XML-based content |
| * routing in C++. |
| * |
| * declare_queues.cpp |
| * |
| * Creates a queue named "message_qaueue" on the broker, |
| * declares an XML Exchange, subscribes the queue to the XML |
| * Exchange using an XQuery in the binding, then exits. |
| * |
| * xml_producer.cpp (this program) |
| * |
| * Publishes messages to the XML Exchange. |
| * |
| * listener.cpp |
| * |
| * Reads messages from the "message_queue" queue. |
| */ |
| |
| |
| #include <qpid/client/Connection.h> |
| #include <qpid/client/Session.h> |
| #include <qpid/client/AsyncSession.h> |
| #include <qpid/client/Message.h> |
| |
| |
| #include <unistd.h> |
| #include <cstdlib> |
| #include <iostream> |
| |
| #include <sstream> |
| |
| using namespace qpid::client; |
| using namespace qpid::framing; |
| |
| using std::stringstream; |
| using std::string; |
| |
| 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; |
| Message message; |
| try { |
| connection.open(host, port); |
| Session session = connection.newSession(); |
| |
| //--------- Main body of program -------------------------------------------- |
| |
| // Publish some XML messages. Use the control property to |
| // indicate when we are finished. |
| // |
| // In the XML exchange, the routing key and the name of |
| // the query match. |
| |
| message.getDeliveryProperties().setRoutingKey("content_feed"); |
| message.getHeaders().setString("control","continue"); |
| |
| // Now send some messages ... |
| |
| for (int i=0; i<10; i++) { |
| stringstream message_data; |
| message_data << "<message><id>" << i << "</id></message>"; |
| |
| std::cout << "Message data: " << message_data.str() << std::endl; |
| |
| message.setData(message_data.str()); |
| // Asynchronous transfer sends messages as quickly as |
| // possible without waiting for confirmation. |
| async(session).messageTransfer(arg::content=message, arg::destination="xml"); |
| } |
| |
| // And send a final message to indicate termination. |
| |
| message.getHeaders().setString("control","end"); |
| message.setData("<end>That's all, folks!</end>"); |
| session.messageTransfer(arg::content=message, arg::destination="xml"); |
| |
| //----------------------------------------------------------------------------- |
| |
| connection.close(); |
| return 0; |
| } catch(const std::exception& error) { |
| std::cout << error.what() << std::endl; |
| } |
| return 1; |
| } |
| |
| |