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3.6c-.38-.34-.96-.34-1.34 0l-8.36 7.53c-.34.3-.13.87.33.87H5v7c0 .55.45 1 1 1h3c.55 0 1-.45 1-1z" fill="currentColor"></path></svg></a></li><li class="breadcrumbs__item"><span class="breadcrumbs__link">Client SDK</span><meta itemprop="position" content="1"></li><li itemscope="" itemprop="itemListElement" itemtype="https://schema.org/ListItem" class="breadcrumbs__item breadcrumbs__item--active"><span class="breadcrumbs__link" itemprop="name">C++ Client SDK</span><meta itemprop="position" content="2"></li></ul></nav><span class="theme-doc-version-badge badge badge--secondary">Version: 5.0</span><div class="tocCollapsible_ETCw theme-doc-toc-mobile tocMobile_ITEo"><button type="button" class="clean-btn tocCollapsibleButton_TO0P">On this page</button></div><div class="theme-doc-markdown markdown"><h1>C++ Client SDK</h1><h2 class="anchor anchorWithStickyNavbar_LWe7" id="info">Info<a href="#info" class="hash-link" aria-label="Direct link to heading" title="Direct link to heading"></a></h2><p>This section introduces sending and receiving messages using Apache RocketMQ 5.0 gRPC protocol C++ SDK.</p><div class="theme-admonition theme-admonition-info alert alert--info admonition_LlT9"><div class="admonitionHeading_tbUL"><span class="admonitionIcon_kALy"><svg viewBox="0 0 14 16"><path fill-rule="evenodd" d="M7 2.3c3.14 0 5.7 2.56 5.7 5.7s-2.56 5.7-5.7 5.7A5.71 5.71 0 0 1 1.3 8c0-3.14 2.56-5.7 5.7-5.7zM7 1C3.14 1 0 4.14 0 8s3.14 7 7 7 7-3.14 7-7-3.14-7-7-7zm1 3H6v5h2V4zm0 6H6v2h2v-2z"></path></svg></span>info</div><div class="admonitionContent_S0QG"><ul><li>This sample code is built based on the gRPC protocol SDK. Therefore, the server needs to be upgraded to at least version 5.0 and enable gRPC Proxy to be compatible. Please refer to the <a href="/docs/quickStart/01quickstart">quick start guide</a> for deploying Proxy.</li><li>If you are using the Remoting protocol SDK, it is recommended to refer to the example code of the previous version 4.x for running. To identify the type of SDK you are using, please refer to the <a href="/docs/sdk/01overview">overview</a>.</li></ul></div></div><h2 class="anchor anchorWithStickyNavbar_LWe7" id="codeexample">CodeExample<a href="#codeexample" class="hash-link" aria-label="Direct link to heading" title="Direct link to heading"></a></h2><p>Here is the link to the sample code for message sending and receiving using the Apache RocketMQ gRPC protocol C++ SDK. The complete code project and runtime environment can be found in the <a href="https://github.com/apache/rocketmq-clients" target="_blank" rel="noopener noreferrer">rocketmq-clients</a> repository. Please refer to it for configuration and running.</p><table><thead><tr><th><strong>MessageTypes</strong></th><th><strong>Producer Examples</strong></th><th><strong>PushConsumer Examples</strong></th><th><strong>SimpleConsumer Examples</strong></th></tr></thead><tbody><tr><td><a href="/docs/featureBehavior/01normalmessage">NormalMessage</a></td><td>Sync Send Example:<a href="https://github.com/apache/rocketmq-clients/blob/master/cpp/examples/ExampleProducer.cpp" target="_blank" rel="noopener noreferrer">ExampleProducer.cpp</a> <br>Async Send Example:<a href="https://github.com/apache/rocketmq-clients/blob/master/cpp/examples/ExampleProducerWithAsync.cpp" target="_blank" rel="noopener noreferrer">ExampleProducerWithAsync.cpp</a></td><td><a href="https://github.com/apache/rocketmq-clients/blob/master/cpp/examples/ExamplePushConsumer.cpp" target="_blank" rel="noopener noreferrer">ExamplePushConsumer.cpp</a></td><td><a href="https://github.com/apache/rocketmq-clients/blob/master/cpp/examples/ExampleSimpleConsumer.cpp" target="_blank" rel="noopener noreferrer">ExampleSimpleConsumer.cpp</a></td></tr><tr><td><a href="/docs/featureBehavior/03fifomessage">FIFOMessage</a></td><td><a href="https://github.com/apache/rocketmq-clients/blob/master/cpp/examples/ExampleProducerWithFifoMessage.cpp" target="_blank" rel="noopener noreferrer">ExampleProducerWithFifoMessage.cpp</a></td><td><a href="https://github.com/apache/rocketmq-clients/blob/master/cpp/examples/ExamplePushConsumer.cpp" target="_blank" rel="noopener noreferrer">ExamplePushConsumer.cpp</a></td><td><a href="https://github.com/apache/rocketmq-clients/blob/master/cpp/examples/ExampleSimpleConsumer.cpp" target="_blank" rel="noopener noreferrer">ExampleSimpleConsumer.cpp</a></td></tr><tr><td><a href="/docs/featureBehavior/02delaymessage">DelayMessage</a></td><td><a href="https://github.com/apache/rocketmq-clients/blob/master/cpp/examples/ExampleProducerWithTimedMessage.cpp" target="_blank" rel="noopener noreferrer">ExampleProducerWithTimedMessage.cpp</a></td><td><a href="https://github.com/apache/rocketmq-clients/blob/master/cpp/examples/ExamplePushConsumer.cpp" target="_blank" rel="noopener noreferrer">ExamplePushConsumer.cpp</a></td><td><a href="https://github.com/apache/rocketmq-clients/blob/master/cpp/examples/ExampleSimpleConsumer.cpp" target="_blank" rel="noopener noreferrer">ExampleSimpleConsumer.cpp</a></td></tr><tr><td><a href="/docs/featureBehavior/04transactionmessage">TransactionMessage</a></td><td><a href="https://github.com/apache/rocketmq-clients/blob/master/cpp/examples/ExampleProducerWithTransactionalMessage.cpp" target="_blank" rel="noopener noreferrer">ExampleProducerWithTransactionalMessage.cpp</a></td><td><a href="https://github.com/apache/rocketmq-clients/blob/master/cpp/examples/ExamplePushConsumer.cpp" target="_blank" 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