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Posted to commits@activemq.apache.org by ta...@apache.org on 2007/10/26 18:06:00 UTC
svn commit: r588694 - in /activemq/activemq-cpp/trunk/src/examples:
Makefile.am consumers/SimpleAsyncConsumer.cpp
Author: tabish
Date: Fri Oct 26 09:05:58 2007
New Revision: 588694
URL: http://svn.apache.org/viewvc?rev=588694&view=rev
Log:
Adding more examples for the CPP client, this is a simple async consumer example.
Added:
activemq/activemq-cpp/trunk/src/examples/consumers/SimpleAsyncConsumer.cpp (with props)
Modified:
activemq/activemq-cpp/trunk/src/examples/Makefile.am
Modified: activemq/activemq-cpp/trunk/src/examples/Makefile.am
URL: http://svn.apache.org/viewvc/activemq/activemq-cpp/trunk/src/examples/Makefile.am?rev=588694&r1=588693&r2=588694&view=diff
==============================================================================
--- activemq/activemq-cpp/trunk/src/examples/Makefile.am (original)
+++ activemq/activemq-cpp/trunk/src/examples/Makefile.am Fri Oct 26 09:05:58 2007
@@ -15,7 +15,7 @@
# limitations under the License.
# ---------------------------------------------------------------------------
-cc_sources = main.cpp
+main_example_sources = main.cpp
##
## Compiler / Linker Info
@@ -23,7 +23,13 @@
INCLUDES = -I$(srcdir)/../main
-bin_PROGRAMS = example
-example_SOURCES = $(cc_sources)
-
+## Main Example
+bin_PROGRAMS = example
+example_SOURCES = $(main_example_sources)
example_LDADD= ../main/libactivemq-cpp.la
+
+## Simple Consumer
+simple_async_consumer_sources = ./consumers/SimpleAsyncConsumer.cpp
+bin_PROGRAMS += simple_async_consumer
+simple_async_consumer_SOURCES = $(simple_async_consumer_sources)
+simple_async_consumer_LDADD= ../main/libactivemq-cpp.la
Added: activemq/activemq-cpp/trunk/src/examples/consumers/SimpleAsyncConsumer.cpp
URL: http://svn.apache.org/viewvc/activemq/activemq-cpp/trunk/src/examples/consumers/SimpleAsyncConsumer.cpp?rev=588694&view=auto
==============================================================================
--- activemq/activemq-cpp/trunk/src/examples/consumers/SimpleAsyncConsumer.cpp (added)
+++ activemq/activemq-cpp/trunk/src/examples/consumers/SimpleAsyncConsumer.cpp Fri Oct 26 09:05:58 2007
@@ -0,0 +1,231 @@
+/*
+ * 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.
+ */
+
+#include <activemq/concurrent/Thread.h>
+#include <activemq/concurrent/Runnable.h>
+#include <activemq/concurrent/CountDownLatch.h>
+#include <activemq/core/ActiveMQConnectionFactory.h>
+#include <activemq/util/Integer.h>
+#include <activemq/util/Config.h>
+#include <activemq/util/Date.h>
+#include <cms/Connection.h>
+#include <cms/Session.h>
+#include <cms/TextMessage.h>
+#include <cms/BytesMessage.h>
+#include <cms/MapMessage.h>
+#include <cms/ExceptionListener.h>
+#include <cms/MessageListener.h>
+#include <stdlib.h>
+#include <iostream>
+
+using namespace activemq;
+using namespace activemq::core;
+using namespace activemq::util;
+using namespace activemq::concurrent;
+using namespace cms;
+using namespace std;
+
+////////////////////////////////////////////////////////////////////////////////
+class SimpleAsyncConsumer : public ExceptionListener,
+ public MessageListener {
+private:
+
+ Connection* connection;
+ Session* session;
+ Destination* destination;
+ MessageConsumer* consumer;
+ bool useTopic;
+ std::string brokerURI;
+ std::string destURI;
+
+public:
+
+ SimpleAsyncConsumer( const std::string& brokerURI,
+ const std::string& destURI,
+ bool useTopic = false ) {
+ connection = NULL;
+ session = NULL;
+ destination = NULL;
+ consumer = NULL;
+ this->useTopic = useTopic;
+ this->brokerURI = brokerURI;
+ this->destURI = destURI;
+ }
+
+ virtual ~SimpleAsyncConsumer(){
+ cleanup();
+ }
+
+ void runConsumer() {
+
+ try {
+
+ // Create a ConnectionFactory
+ ActiveMQConnectionFactory* connectionFactory =
+ new ActiveMQConnectionFactory( brokerURI );
+
+ // Create a Connection
+ connection = connectionFactory->createConnection();
+ delete connectionFactory;
+ connection->start();
+
+ connection->setExceptionListener(this);
+
+ // Create a Session
+ session = connection->createSession( Session::AUTO_ACKNOWLEDGE );
+
+ // Create the destination (Topic or Queue)
+ if( useTopic ) {
+ destination = session->createTopic( destURI );
+ } else {
+ destination = session->createQueue( destURI );
+ }
+
+ // Create a MessageConsumer from the Session to the Topic or Queue
+ consumer = session->createConsumer( destination );
+ consumer->setMessageListener( this );
+
+ } catch (CMSException& e) {
+ e.printStackTrace();
+ }
+ }
+
+ // Called from the consumer since this class is a registered MessageListener.
+ virtual void onMessage( const Message* message ){
+
+ static int count = 0;
+
+ try
+ {
+ count++;
+ const TextMessage* textMessage =
+ dynamic_cast< const TextMessage* >( message );
+ string text = "";
+
+ if( textMessage != NULL ) {
+ text = textMessage->getText();
+ } else {
+ text = "NOT A TEXTMESSAGE!";
+ }
+
+ printf( "Message #%d Received: %s\n", count, text.c_str() );
+ } catch (CMSException& e) {
+ e.printStackTrace();
+ }
+ }
+
+ // If something bad happens you see it here as this class is also been
+ // registered as an ExceptionListener with the connection.
+ virtual void onException( const CMSException& ex AMQCPP_UNUSED) {
+ printf("CMS Exception occured. Shutting down client.\n");
+ }
+
+private:
+
+ void cleanup(){
+
+ //*************************************************
+ // Always close destination, consumers and producers before
+ // you destroy their sessions and connection.
+ //*************************************************
+
+ // Destroy resources.
+ try{
+ if( destination != NULL ) delete destination;
+ }catch (CMSException& e) { e.printStackTrace(); }
+ destination = NULL;
+
+ try{
+ if( consumer != NULL ) delete consumer;
+ }catch (CMSException& e) { e.printStackTrace(); }
+ consumer = NULL;
+
+ // Close open resources.
+ try{
+ if( session != NULL ) session->close();
+ if( connection != NULL ) connection->close();
+ }catch (CMSException& e) { e.printStackTrace(); }
+
+ // Now Destroy them
+ try{
+ if( session != NULL ) delete session;
+ }catch (CMSException& e) { e.printStackTrace(); }
+ session = NULL;
+
+ try{
+ if( connection != NULL ) delete connection;
+ }catch (CMSException& e) { e.printStackTrace(); }
+ connection = NULL;
+ }
+};
+
+////////////////////////////////////////////////////////////////////////////////
+int main(int argc AMQCPP_UNUSED, char* argv[] AMQCPP_UNUSED) {
+
+ std::cout << "=====================================================\n";
+ std::cout << "Starting the example:" << std::endl;
+ std::cout << "-----------------------------------------------------\n";
+
+ // Set the URI to point to the IPAddress of your broker.
+ // add any optional params to the url to enable things like
+ // tightMarshalling or tcp logging etc. See the CMS website for
+ // a full list of configuration options.
+ //
+ // http://activemq.apache.org/cms/
+ //
+ // Wire Foormat Options:
+ // =====================
+ // Use either stomp or openwire, the default ports are different for each
+ //
+ // Examples:
+ // tcp://127.0.0.1:61616 default to openwire
+ // tcp://127.0.0.1:61616?wireFormat=openwire same as above
+ // tcp://127.0.0.1:61613?wireFormat=stomp use stomp instead
+ //
+ std::string brokerURI =
+ "tcp://127.0.0.1:61616"
+ "?wireFormat=openwire"
+ "&transport.useAsyncSend=true";
+// "&transport.commandTracingEnabled=true"
+// "&transport.tcpTracingEnabled=true";
+// "&wireFormat.tightEncodingEnabled=true";
+
+
+ //============================================================
+ // This is the Destination Name and URI options. Use this to
+ // customize where the consumer listens, to have the consumer
+ // use a topic or queue set the 'useTopics' flag.
+ //============================================================
+ std::string destURI = "TEST.FOO";
+
+ //============================================================
+ // set to true to use topics instead of queues
+ // Note in the code above that this causes createTopic or
+ // createQueue to be used in both consumer an producer.
+ //============================================================
+ bool useTopics = true;
+
+ // Create the consumer
+ SimpleAsyncConsumer consumer( brokerURI, destURI, useTopics );
+
+ // Start it up and it will listen forever.
+ consumer.runConsumer();
+
+ // Wait to exit.
+ std::cout << "Press 'q' to quit" << std::endl;
+ while( std::cin.get() != 'q') {}
+}
Propchange: activemq/activemq-cpp/trunk/src/examples/consumers/SimpleAsyncConsumer.cpp
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