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padding-bottom--lg"><div class="row"><div class="col docItemCol_VOVn"><div class="docItemContainer_Djhp"><article><nav class="theme-doc-breadcrumbs breadcrumbsContainer_Z_bl" aria-label="页面路径"><ul class="breadcrumbs" itemscope="" itemtype="https://schema.org/BreadcrumbList"><li class="breadcrumbs__item"><a aria-label="主页面" class="breadcrumbs__link" href="/zh-CN/"><svg viewBox="0 0 24 24" class="breadcrumbHomeIcon_YNFT"><path d="M10 19v-5h4v5c0 .55.45 1 1 1h3c.55 0 1-.45 1-1v-7h1.7c.46 0 .68-.57.33-.87L12.67 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">SDK</span><meta itemprop="position" content="1"></li><li class="breadcrumbs__item"><span class="breadcrumbs__link">DataProxy SDK</span><meta itemprop="position" content="2"></li><li itemscope="" itemprop="itemListElement" itemtype="https://schema.org/ListItem" class="breadcrumbs__item breadcrumbs__item--active"><span class="breadcrumbs__link" itemprop="name">C++ SDK</span><meta itemprop="position" content="3"></li></ul></nav><span class="theme-doc-version-badge badge badge--secondary">版本：1.11.0</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"><header><h1>C++ SDK</h1></header><h2 class="anchor anchorWithStickyNavbar_LWe7" id="新建实时同步任务">新建实时同步任务<a href="#新建实时同步任务" class="hash-link" aria-label="Direct link to heading" title="Direct link to heading"></a></h2><p>在 Dashboard 或者通过命令行工具创建任务，数据源类型使用 <code>Auto Push</code> (自主推送)。</p><h2 class="anchor anchorWithStickyNavbar_LWe7" id="引入-c-sdk">引入 C++ SDK<a href="#引入-c-sdk" class="hash-link" aria-label="Direct link to heading" title="Direct link to heading"></a></h2><p>需要在项目中包含SDK的头文件和库，进行 SDK |
| 的使用。头文件和库提供可以从源码自行编译，见 <a href="https://github.com/apache/inlong/tree/master/inlong-sdk/dataproxy-sdk-twins/dataproxy-sdk-cpp" target="_blank" rel="noopener noreferrer">SDK 编译使用</a>。</p><h2 class="anchor anchorWithStickyNavbar_LWe7" id="数据上报流程">数据上报流程<a href="#数据上报流程" class="hash-link" aria-label="Direct link to heading" title="Direct link to heading"></a></h2><p>引入 SDK 后，可以通过调用 SDK 的<code>send</code>相关接口进行单条（批量）数据的上报，发送 demo |
| 可参考 <a href="https://github.com/apache/inlong/blob/master/inlong-sdk/dataproxy-sdk-twins/dataproxy-sdk-cpp/release/demo/send_demo.cc" target="_blank" rel="noopener noreferrer">send_demo.cc</a> |
| 。整体流程包括以下三个步骤：</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="创建-sdk实例">创建 SDK实例<a href="#创建-sdk实例" class="hash-link" aria-label="Direct link to heading" title="Direct link to heading"></a></h3><p>SDK 支持进程创建1个SDK实例，多线程安全，也支持进程创建多个SDK实例，各个SDK实例相互独立，各个SDK实例也线程安全：</p><ul><li>创建SDK实例对象</li></ul><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain"> InLongApi inlong_api</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><ul><li>对象实例初始化 ，配置文件采用 json 格式，见<a href="#%E9%99%84%E5%BD%95%EF%BC%9A%E9%85%8D%E7%BD%AE%E6%96%87%E4%BB%B6%E8%AF%B4%E6%98%8E">配置文件说明</a></li></ul><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">// 初始化SDK，参数为配置文件的路径名；返回值为零表示初始化成功</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">int32_t result = inlong_api.InitApi("/home/conf/config.json");</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h3 class="anchor anchorWithStickyNavbar_LWe7" id="调用发送接口进行数据上报">调用发送接口进行数据上报<a href="#调用发送接口进行数据上报" class="hash-link" aria-label="Direct link to heading" title="Direct link to heading"></a></h3><p>SDK 支持单条（推荐）和批量发送，二者发送过程均为异步模式，数据上报接口是线程安全的。在进行数据上报前，可设置回调函数在数据发送失败时进行回调处理，回调函数签名如下：</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">int32_t CallBackFunc(const char* inlong_group_id, const char* inlong_stream_id,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> const char* msg, int32_t msg_len, </span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> const int64_t report_time, </span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> const char* client_ip);</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><ul><li>单条数据数据上报接口</li></ul><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">// 返回值：零表示发送成功，非零表示失败，具体异常返回值详见tc_api.h中的SDKInvalidReuslt</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> int32_t Send(const char *inlong_group_id, const char *inlong_stream_id,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> const char *msg, int32_t msg_len,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> UserCallBack call_back = nullptr)</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h3 class="anchor anchorWithStickyNavbar_LWe7" id="关闭-sdk">关闭 SDK<a href="#关闭-sdk" class="hash-link" aria-label="Direct link to heading" title="Direct link to heading"></a></h3><p>调用 close 接口关闭 SDK：</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">// 返回值为零表示关闭成功，后续无法再进行数据上报</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">// max_waitms：关闭SDK前的等待最大毫秒数，等待SDK内部数据发送完成</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">int32_t CloseApi(int32_t max_waitms);</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h2 class="anchor anchorWithStickyNavbar_LWe7" id="注意事项">注意事项<a href="#注意事项" class="hash-link" aria-label="Direct link to heading" title="Direct link to heading"></a></h2><ul><li>建议采用将 SDK 作为常驻服务来进行数据上报，避免同个进程中途频繁地初始化和关闭，重复初始化和关闭会带来更多开销；</li><li>SDK 发送是异步进行的，返回值为 0 表示数据成功存入了 SDK 内部缓冲区，等待网络发送。如果<code>inlong_group_id</code> |
| 本身配置有误或者网络异常，也会导致数据发送失败，所以建议用户在调用该接口时设置回调，数据多次重试发送仍失败时执行回调。</li></ul><h2 class="anchor anchorWithStickyNavbar_LWe7" id="附录配置文件说明">附录：配置文件说明<a href="#附录配置文件说明" class="hash-link" aria-label="Direct link to heading" title="Direct link to heading"></a></h2><p>配置文件格式和重要参数如下：</p><div class="language-json codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-json codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"init-param"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"inlong_group_ids"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">"b_inlong_group_test_01, b_inlong_group_test_02"</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"manager_url"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">"http://127.0.0.1:8099/inlong/manager/openapi/dataproxy/getIpList"</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"manager_update_interval"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token number">2</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"manager_url_timeout"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token number">5</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"msg_type"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token number">7</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"max_proxy_num"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token number">8</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"per_groupid_thread_nums"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token number">1</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"dispatch_interval_zip"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token number">8</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"dispatch_interval_send"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token number">10</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"recv_buf_size"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token number">10240000</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"send_buf_size"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token number">10240000</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"enable_pack"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token boolean">true</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"pack_size"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token number">409600</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"pack_timeout"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token number">3000</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"ext_pack_size"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token number">409600</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"enable_zip"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token boolean">true</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"min_zip_len"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token number">512</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"tcp_detection_interval"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token number">60000</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"tcp_idle_time"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token number">600000</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"log_num"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token number">10</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"log_size"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token number">104857600</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"log_level"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token number">3</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"log_path"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">"./"</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"need_auth"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token boolean">false</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"auth_id"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">"****"</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"auth_key"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">"****"</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><table><thead><tr><th>参数</th><th>含义</th><th>默认值</th></tr></thead><tbody><tr><td>inlong_group_ids</td><td>inlong_group_id列表</td><td>b_inlong_group_test_01, b_inlong_group_test_02</td></tr><tr><td>manager_url</td><td>manager地址</td><td><a href="http://127.0.0.1:8099/inlong/manager/openapi/dataproxy/getIpList" target="_blank" rel="noopener noreferrer">http://127.0.0.1:8099/inlong/manager/openapi/dataproxy/getIpList</a></td></tr><tr><td>manager_update_interval</td><td>请求manager间隔时间</td><td>2 分钟</td></tr><tr><td>manager_url_timeout</td><td>推送的数据时间</td><td>毫秒为单位的时间戳</td></tr><tr><td>msg_type</td><td>数据类型</td><td>7</td></tr><tr><td>max_proxy_num</td><td>单实例最大proxy数据</td><td>8</td></tr><tr><td>per_groupid_thread_nums</td><td>单inlong_group_id线程数</td><td>1</td></tr><tr><td>dispatch_interval_zip</td><td>压缩数据间隔周期</td><td>8 ms</td></tr><tr><td>dispatch_interval_send</td><td>数据分发间隔</td><td>10 ms</td></tr><tr><td>recv_buf_size</td><td>接收缓冲区大小</td><td>10240000 字节</td></tr><tr><td>send_buf_size</td><td>发送缓冲区大小</td><td>10240000 字节</td></tr><tr><td>enable_pack</td><td>是否允许打包</td><td>true</td></tr><tr><td>pack_size</td><td>打包大小</td><td>409600 字节</td></tr><tr><td>pack_timeout</td><td>打包间隔</td><td>3000 ms</td></tr><tr><td>ext_pack_size</td><td>单条消息最大大小</td><td>409600 字节</td></tr><tr><td>enable_zip</td><td>是否允许压缩</td><td>true</td></tr><tr><td>min_zip_len</td><td>最小压缩大小</td><td>512 字节</td></tr><tr><td>tcp_detection_interval</td><td>tcp 探测周期</td><td>60000 ms</td></tr><tr><td>tcp_idle_time</td><td>tcp 死亡周期</td><td>600000 ms</td></tr><tr><td>log_num</td><td>日志文件个数</td><td>10</td></tr><tr><td>log_size</td><td>单个日志文件大小</td><td>104857600 字节</td></tr><tr><td>log_level</td><td>日志级别</td><td>3。 日志级别，trace(4)>debug(3)>info(2)>warn(1)>error(0)</td></tr><tr><td>log_path</td><td>日志目录</td><td>./</td></tr><tr><td>need_auth</td><td>是否开启认证</td><td>false</td></tr><tr><td>auth_id</td><td>账号</td><td></td></tr><tr><td>auth_key</td><td>密钥</td><td></td></tr></tbody></table></div><footer class="theme-doc-footer docusaurus-mt-lg"><div class="theme-doc-footer-edit-meta-row row"><div class="col"><a href="https://github.com/apache/inlong-website/edit/master/versioned_docs/version-1.11.0/sdk/dataproxy-sdk/cpp.md" target="_blank" rel="noreferrer noopener" 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