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themedImage--light_HNdA"><imgsrc="/touchsocket/img/TouchSocketlogo.png"alt="TouchSocket Logo"class="themedImage_ToTc themedImage--dark_i4oU"><b>TouchSocket</b></a><navaria-label="Docs sidebar"class="menu thin-scrollbar menu_SIkG"><ulclass="theme-doc-sidebar-menu menu__list"><liclass="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-1 menu__list-item"><aclass="menu__link"href="/touchsocket/docs/">01、说明(使用前必要阅读)</a></li><liclass="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-1 menu__list-item"><aclass="menu__link"href="/touchsocket/docs/upgrade">02、历史更新</a></li><liclass="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><divclass="menu__list-item-collapsible"><aclass="menu__link menu__link--sublist menu__link--sublist-caret"aria-expanded="false"href="/touchsocket/docs/donate">03、支持作者及商业运营</a></div></li><liclass="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-1 menu__list-item"><aclass="menu__link"href="/touchsocket/docs/startguide">04、入门指南</a></li><liclass="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><divclass="menu__list-item-collapsible"><aclass="menu__link menu__link--sublist menu__link--sublist-caret"aria-expanded="false"href="/touchsocket/docs/bytepool">05、Core</a></div></li><liclass="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item"><divclass="menu__list-item-collapsible"><aclass="menu__link menu__link--sublist menu__link--sublist-caret menu__link--active"aria-expanded="true"href="/touchsocket/docs/tcpintroduction">06、Tcp组件</a></div><ulstyle="display:block;overflow:visible;height:auto"class="menu__list"><liclass="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-2 menu__list-item"><aclass="menu__link"tabindex="0"href="/touchsocket/docs/tcpintroduction">6.1 Tcp入门基础</a></li><liclass="theme-doc-sidebar-item-link 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menu__list-item"><aclass="menu__link"tabindex="0"href="/touchsocket/docs/reconnection">6.7 断线重连</a></li><liclass="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-2 menu__list-item"><aclass="menu__link"tabindex="0"href="/touchsocket/docs/tcpcommandlineplugin">6.8 命令行执行插件</a></li><liclass="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-2 menu__list-item"><aclass="menu__link"tabindex="0"href="/touchsocket/docs/heartbeat">6.9 心跳设计</a></li><liclass="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-2 menu__list-item"><aclass="menu__link"tabindex="0"href="/touchsocket/docs/tcpother">6.10 其他场景应用</a></li></ul></li><liclass="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><divclass="menu__list-item-collapsible"><aclass="menu__link menu__link--sublist menu__link--sublist-caret"aria-expanded="false"href="/touchsocket/docs/createudpsession">07、Udp组件</a></div></li><liclass="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><divclass="menu__list-item-collapsible"><aclass="menu__link menu__link--sublist menu__link--sublist-caret"aria-expanded="false"href="/touchsocket/docs/adapterdescription">08、数据处理适配器</a></div></li><liclass="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><divclass="menu__list-item-collapsible"><aclass="menu__link menu__link--sublist menu__link--sublist-caret"aria-expanded="false"href="/touchsocket/docs/createhttpservice">09、Http组件</a></div></li><liclass="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><divclass="menu__list-item-collapsible"><aclass="menu__link menu__link--sublist menu__link--sublist-caret"aria-expanded="false"href="/touchsocket/docs/websocketdescription">10、WebSocket组件</a></div></li><liclass="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><divclass="menu__list-item-collapsible"><aclass="menu__link menu__link--sublist menu__link--sublist-caret"aria-expanded="false"href="/touchsocket/docs/generateproxydescription">11、Rpc代理生成</a></div></li><liclass="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><divclass="menu__list-item-collapsible"><aclass="menu__link menu__link--sublist menu__link--sublist-caret"aria-expanded="false"href="/touchsocket/docs/touchrpcdescription">12、TouchRpc组件</a></div></li><liclass="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><divclass="menu__list-item-collapsible"><aclass="menu__link menu__link--sublist menu__link--sublist-caret"aria-expanded="false"href="/touchsocket/docs/webapidescription">13、WebApi组件</a></div></li><liclass="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><divclass="menu__list-item-collapsible"><aclass="menu__link menu__link--sublist menu__link--sublist-caret"aria-expanded="false"href="/touchsocket/docs/jsonrpcdescription">14、JsonRpc组件</a></div></li><liclass="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><divclass="menu__list-item-collapsible"><aclass="menu__link menu__link--sublist menu__link--sublist-caret"aria-expanded="false"href="/touchsocket/docs/xmlrpcdescription">15、XmlRpc组件件</a></div></li></ul></nav><buttontype="button"title="Collapse sidebar"aria-label="Collapse sidebar"class="button button--secondary button--outline collapseSidebarButton_PEFL"><svgwidth="20"height="20"aria-hidden="true"class="collapseSidebarButtonIcon_kv0_"><gfill="#7a7a7a"><pathd="M9.992 10.023c0 .2-.062.399-.172.547l-4.996 7.492a.982.982 0 01-.828.454H1c-.55 0-1-.453-1-1 0-.2.059-.403.168-.551l4.629-6.942L.168 3.078A.939.939 0 010 2.528c0-.548.45-.997 1-.997h2.996c.352 0 .649.18.828.45L9.82 9.472c.11.148.172.347.172.55zm0 0"></path><pathd="M19.98 10.023c0 .2-.058.399-.168.547l-4.996 7.492a.987.987 0 01-.828.454h-3c-.547 0-.996-.453-.996-1 0-.2.059-.403.168-.551l4.625-6.942-4.625-6.945a.939.939 0 01-.168-.55 1 1 0 01.996-.997h3c.348 0 .649.18.828.45l4.996 7.492c.11.148.168.347.168.55zm0 0"></path></g></svg></button></div></div></aside><mainclass="docMainContainer_gTbr"><divclass="container padding-top--md padding-bottom--lg"><divclass="row"><divclass="col docItemCol_VOVn"><divclass="docItemContainer_Djhp"><article><navclass="theme-doc-breadcrumbs breadcrumbsContainer_Z_bl"aria-label="Breadcrumbs"><ulclass="breadcrumbs"itemscope=""itemtype="https://schema.org/BreadcrumbList"><liclass="breadcrumbs__item"><aaria-label="Home page"class="breadcrumbs__link"href="/touchsocket/"><svgviewBox="0 0 24 24"class="breadcrumbHomeIcon_YNFT"><pathd="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><liclass="breadcrumbs__item"><spanclass="breadcrumbs__link">06、Tcp组件</span><metaitemprop="position"content="1"></li><liitemscope=""itemprop="itemListElement"itemtype="https://schema.org/ListItem"class="breadcrumbs__item breadcrumbs__item--active"><spanclass="breadcrumbs__link"itemprop="name">6.3 创建TcpClient</span><metaitemprop="position"content="2"></li></ul></nav><divclass="tocCollapsible_ETCw theme-doc-toc-mobile tocMobile_ITEo"><buttontype="button"class="clean-btn tocCollapsibleButton_TO0P">On this page</button></div><divclass="theme-doc-markdown markdown"><header><h1>创建TcpClient</h1></header><h2class="anchor anchorWithHideOnScrollNavbar_WYt5"id="一说明">一、说明<ahref="#一说明"class="hash-link"aria-label="Direct link to 一、说明"title="Direct link to 一、说明"></a></h2><p>TcpClient是Tcp系客户端基类,他直接参与tcp的连接、发送、接收、处理、断开等,他的业务与服务器的<strong>SocketClient</strong>是一一对应的。</p><h2class="anchor anchorWithHideOnScrollNavbar_WYt5"id="二特点">二、特点<ahref="#二特点"class="hash-link"aria-label="Direct link to 二、特点"title="Direct link to 二、特点"></a></h2><ul><li>简单易用。</li><li>IOCP多线程。</li><li>内存池支持</li><li>高性能</li><li>适配器预处理,一键式解决<strong>分包</strong>、<strong>粘包</strong>、对象解析(如HTTP,Json)等。</li><li>超简单的同步发送、异步发送、接收等操作。</li><li>基于委托、插件驱动,让每一步都能执行AOP。</li></ul><h2class="anchor anchorWithHideOnScrollNavbar_WYt5"id="三产品应用场景">三、产品应用场景<ahref="#三产品应用场景"class="hash-link"aria-label="Direct link to 三、产品应用场景"title="Direct link to 三、产品应用场景"></a></h2><ul><li>所有Tcp基础使用场景:可跨平台、跨语言使用。</li><li>自定义协议解析场景:可解析任意数据格式的TCP数据报文。</li></ul><h2class="anchor anchorWithHideOnScrollNavbar_WYt5"id="四可配置项">四、可配置项<ahref="#四可配置项"class="hash-link"aria-label="Direct link to 四、可配置项"title="Direct link to 四、可配置项"></a></h2><detailsclass="details_lb9f alert alert--info details_b_Ee"data-collapsed="true"><summary>可配置项</summary><div><divclass="collapsibleContent_i85q"><div><h4class="anchor anchorWithHideOnScrollNavbar_WYt5"id="setbufferlength">SetBufferLength<ahref="#setbufferlength"class="hash-link"aria-label="Direct link to SetBufferLength"title="Direct link to SetBufferLength"></a></h4><p>发送、接收缓存容量(单位:byte),默认1024×64。设置建议:</p><ol><li>如果数据包较小,建议10k左右的值。更加节约内存。</li><li>如果数据包较大,例如文件传输等,建议64k,甚至更大的值。</li><li>该值虽然无上限,但是一般不要超过1Mb,不然不仅没意义,还很浪费</li></ol><h4class="anchor anchorWithHideOnScrollNavbar_WYt5"id="setmaxpackagesize">SetMaxPackageSize<ahref="#setmaxpackagesize"class="hash-link"aria-label="Direct link to SetMaxPackageSize"title="Direct link to SetMaxPackageSize"></a></h4><p>数据包最大值(单位:byte),默认1024×1024×10。该值会在适当时间,直接作用DataHandlingAdapter.MaxPackageSize。 </p><h4class="anchor anchorWithHideOnScrollNavbar_WYt5"id="setthreadcount">SetThreadCount<ahref="#setthreadcount"class="hash-link"aria-label="Direct link to SetThreadCount"title="Direct link to SetThreadCount"></a></h4><p>多线程数量。该值在Auto模式下指示线程池的最少线程数量和IO线程数量。</p><p>设置建议:</p><ol><li>异步处理接收数据,此时线程数量设置为内核线程左右的值即可。</li><li>同步处理接收数据,此时应当考虑两个因素。该操作是否为耗时操作,如果是,则该值在允许范围内,应当设置更可能大的值。如果不是,则设置为内核线程左右的值即可。</li></ol><h4class="anchor anchorWithHideOnScrollNavbar_WYt5"id="setgetdefaultnewid">SetGetDefaultNewID<ahref="#setgetdefaultnewid"class="hash-link"aria-label="Direct link to SetGetDefaultNewID"title="Direct link to SetGetDefaultNewID"></a></h4><p>配置初始ID的分配策略</p><h4class="anchor anchorWithHideOnScrollNavbar_WYt5"id="setlisteniphosts">SetListenIPHosts<ahref="#setlisteniphosts"class="hash-link"aria-label="Direct link to SetListenIPHosts"title="Direct link to SetListenIPHosts"></a></h4><p>监听IP和端口号组,可以一次性设置多个地址。 </p><h4class="anchor anchorWithHideOnScrollNavbar_WYt5"id="setservername">SetServerName<ahref="#setservername"class="hash-link"aria-label="Direct link to SetServerName"title="Direct link to SetServerName"></a></h4><p>服务器标识名称,无实际使用意义。</p><h4class="anchor anchorWithHideOnScrollNavbar_WYt5"id="setbacklogproperty">SetBacklogProperty<ahref="#setbacklogproperty"class="hash-link"aria-label="Direct link to SetBacklogProperty"title="Direct link to SetBacklogProperty"></a></h4><p>Tcp半连接挂起连接队列的最大长度。默认为30 </p><h4class="anchor anchorWithHideOnScrollNavbar_WYt5"id="setmaxcount">SetMaxCount<ahref="#setmaxcount"class="hash-link"aria-label="Direct link to SetMaxCount"title="Direct link to SetMaxCount"></a></h4><p>最大可连接数,默认为10000 </p><h4class="anchor anchorWithHideOnScrollNavbar_WYt5"id="setreceivetype">SetReceiveType<ahref="#setreceivetype"class="hash-link"aria-label="Direct link to SetReceiveType"title="Direct link to SetReceiveType"></a></h4><p>接收类型。</p><ul><li>AUTO:自动接收模式。</li><li>None:不投递IO接收申请,用户可通过GetStream,获取到流以后,自己处理接收。注意:连接端不会感知主动断开。</li></ul><h4class="anchor anchorWithHideOnScrollNavbar_WYt5"id="useplugin">UsePlugin<ahref="#useplugin"class="hash-link"aria-label="Direct link to UsePlugin"title="Direct link to UsePlugin"></a></h4><p>是否启用插件。在启用时或许会带来一点点性能损耗,基本上不是千万数据交互根本不值一提。</p><h4class="anchor anchorWithHideOnScrollNavbar_WYt5"id="setservicessloption">SetServiceSslOption<ahref="#setservicessloption"class="hash-link"aria-label="Direct link to SetServiceSslOption"title="Direct link to SetServiceSslOption"></a></h4><p>Ssl配置,为Null时则不启用。 </p><h4class="anchor anchorWithHideOnScrollNavbar_WYt5"id="usenodelay">UseNoDelay<ahref="#usenodelay"class="hash-link"aria-label="Direct link to UseNoDelay"title="Direct link to UseNoDelay"></a></h4><p>设置Socket的NoDelay属性,默认false。 </p><h4class="anchor anchorWithHideOnScrollNavbar_WYt5"id="usedelaysender">UseDelaySender<ahref="#usedelaysender"class="hash-link"aria-label="Direct link to UseDelaySender"title="Direct link to UseDelaySender"></a></h4><p>使用延迟发送。众所周知,tcp数据报文为了发送效率,会默认启用<strong>延迟算法</strong>。但是这种设置,只能一定程度的缓解小数据发送效率低的问题,因为它为了保证多线程发送的有序性,在send函数中设置了线程同步,所以说,每调用一次send,实际上都是巨大的性能消耗(此处用iocp发送亦然)。所以,要解决该问题, 最终还是要将小数据,组合成大数据,这样才能更高效率的发送。所以,DelaySender正是负责此类工作的。</p><p>使用DelaySender,会一定程度的降低发送的及时性,但是降低程度并不高,简单来说:</p><ol><li>如果一个包大于512kb,则不会延迟,直接发送。</li><li>如果发送第一个包,与第二个包的时间间隔小于一个线程池线程调度的时间(这个时间极短,一般来说会在10<strong>微秒</strong>左右),则会将这两个包压缩为一个包发送。</li></ol><h4class="anchor anchorWithHideOnScrollNavbar_WYt5"id="usereuseaddress">UseReuseAddress<ahref="#usereuseaddress"class="hash-link"aria-label="Direct link to UseReuseAddress"title="Direct link to UseReuseAddress"></a></h4><p>启用端口复用。该配置可在服务器、或客户端在监听端口时,运行监听同一个端口。可以一定程度缓解端口来不及释放的问题。</p><h4class="anchor anchorWithHideOnScrollNavbar_WYt5"id="setremoteiphost">SetRemoteIPHost<ahref="#setremoteiphost"class="hash-link"aria-label="Direct link to SetRemoteIPHost"title="Direct link to SetRemoteIPHost"></a></h4><p>链接到的远程IPHost,支持域名。支持类型:</p><ol><li>使用IP&Port,传入形如:127.0.0.1:7789的字符串即可。</li><li>使用域名,必须包含协议类型,形如:<ahref="http://baidu.com%E6%88%96%E8%80%85https://baidu.com:80"target="_blank"rel="noopener noreferrer">http://baidu.com或者https://baidu.com:80</a></li></ol><h4class="anchor anchorWithHideOnScrollNavbar_WYt5"id="setclientssloption">SetClientSslOption<ahref="#setclientssloption"class="hash-link"aria-label="Direct link to SetClientSslOption"title="Direct link to SetClientSslOption"></a></h4><p>客户端Ssl配置,为Null时则不启用。
注意,当RemoteIPHost使用https、wss的域名时,该配置会使用系统默认配置生效。</p><h4class="anchor anchorWithHideOnScrollNavbar_WYt5"id="setkeepalivevalue">SetKeepAliveValue<ahref="#setkeepalivevalue"class="hash-link"aria-label="Direct link to SetKeepAliveValue"title="Direct link to SetKeepAliveValue"></a></h4><p>为Socket设置的属性。注意:该配置仅在window平台生效。</p><h4class="anchor anchorWithHideOnScrollNavbar_WYt5"id="setbindiphost">SetBindIPHost<ahref="#setbindiphost"class="hash-link"aria-label="Direct link to SetBindIPHost"title="Direct link to SetBindIPHost"></a></h4><p>绑定端口。</p><ul><li>在UdpSessionBase中表示本地监听地址</li><li>在TcpClient中表示固定客户端端口号。</li></ul><h4class="anchor anchorWithHideOnScrollNavbar_WYt5"id="usedelaysender-1">UseDelaySender<ahref="#usedelaysender-1"class="hash-link"aria-label="Direct link to UseDelaySender"title="Direct link to UseDelaySender"></a></h4><p>使用延迟发送。众所周知,tcp数据报文为了发送效率,会默认启用延迟算法。但是这种设置,只能一定程度的缓解小数据发送效率低的问题,因为它为了保证多线程发送的有序性,在send函数中设置了线程同步,所以说,每调用一次send,实际上都是巨大的性能消耗(此处用iocp发送亦然)。所以,要解决该问题, 最终还是要将小数据,组合成大数据,这样才能更高效率的发送。所以,DelaySender正是负责此类工作的。</p><p>使用DelaySender,会一定程度的降低发送的及时性,但是降低程度并不高,简单来说:</p><p>如果一个包大于512kb,则不会延迟,直接发送。