三十五、Swoole 基础学习笔记 - Swoole 协程 Server（服务端）
hi，我是温新，一名PHPer
文章基于 Swoole 5.0.1 版本编写。
学习目标：学习协程服务端
说明：本篇文章结合官方文档编写及参考网络资料编写，虽非全部原创，但也是结合了自己的理解，若转载请附带本文 URL，编写不易，持续编写更不易，谢谢！
Swoole\Coroutine\Server 与异步风格的服务端不同这处在于，Swoole\Coroutine\Server是完成协程化实现的服务器。
协程服务端优点：
1、不需要设置事件回调函数。建立连接、接收数据、发送数据、关闭连接都是顺序的，没有异步风格的并发问题；
2、可以动态的开启关闭服务，异步风格的服务在 start() 被调用之后就什么也干不了了，而协程风格的可以动态开启关闭服务。
协程服务端的缺点：
1、协程风格的服务不会自动创建多个进程，需要配合 Process\Pool 模块使用才能利用多核；
2、协程风格服务其实是对 Co\Socket 模块的封装，所以用协程风格的需要对 socket 编程有一定经验；
3、目前封装层级没有异步风格服务器那么高，有些东西需要自己手动实现，比如 reload 功能需要自己监听信号来做逻辑。
TCP 服务器
Swoole\Coroutine\Server 是一个完成协程化的类，用于创建协程 TCP 服务器，支持 TCP 和 unixSocket 类型。
与 Server 模块不同点：
- 1、动态创建销毁，在运行时可以动态监听端口，也可以动态关闭服务器；
- 2、处理连接的过程是完全同步的，程序可以顺序处理
Connect、Receive、Close事件。
协程服务端案例
协程 TCP 服务器
<span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important"><?</span><span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">php</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(98, 151, 85) !important">// 35-swoole-coroutine-server.php</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box"></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(98, 151, 85) !important">// 方式一</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$scheduler</span> <span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">=</span> <span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">new</span> <span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">Swoole\Coroutine\Scheduler</span>();</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$scheduler</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">-></span><span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">add</span>(<span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">function</span> () {</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span style="box-sizing: border-box;color: rgb(98, 151, 85) !important">// 协程 TCP 服务端</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$server</span> <span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">=</span> <span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">new</span> <span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">Swoole\Coroutine\Server</span>(<span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">'0.0.0.0'</span>, <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">9501</span>);</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span style="box-sizing: border-box;color: rgb(98, 151, 85) !important">// 设置连接处理函数</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$server</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">-></span><span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">handle</span>(<span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">function</span> (<span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">Swoole\Coroutine\Server\Connection</span> <span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$conn</span>) {</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">echo</span> <span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">'神界：哟，来新人了：'</span> . <span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$conn</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">-></span><span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">recv</span>() . <span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">PHP_EOL</span>;</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$conn</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">-></span><span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">send</span>(<span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">'我是神界接引人'</span>);</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> });</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$server</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">-></span><span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">start</span>();</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">});</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$scheduler</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">-></span><span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">start</span>();</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box"></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box"></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(98, 151, 85) !important">/*</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(98, 151, 85) !important">// 方式二</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(98, 151, 85) !important">Swoole\Coroutine\run(function () {</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span style="box-sizing: border-box;color: rgb(98, 151, 85) !important">$server = new Swoole\Coroutine\Server('0.0.0.0', 9501);</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span style="box-sizing: border-box;color: rgb(98, 151, 85) !important">$server->handle(function ($conn) {</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span style="box-sizing: border-box;color: rgb(98, 151, 85) !important">echo $conn->recv() . PHP_EOL;</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span style="box-sizing: border-box;color: rgb(98, 151, 85) !important">});</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span style="box-sizing: border-box;color: rgb(98, 151, 85) !important">$server->start();</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(98, 151, 85) !important">});</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(98, 151, 85) !important">*/</span></span>
我再测试的过程中发现一个，协程服务端再接收消息时，官方手册给出了一个死循环用于接收客户端消息，如下：
<span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$server</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">-></span><span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">handle</span>(<span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">function</span> (<span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">Swoole\Coroutine\Server\Connection</span> <span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$conn</span>) {</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">while</span> (<span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">true</span>) {</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$data</span> <span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">=</span> <span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$conn</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">-></span><span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">recv</span>();</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> }</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">});</span>
但我测试的实际结果是，加上 while 死循环后，服务器端会无限输出消息。方式一和方式二我都进行了测试。如果遇到问题，欢迎交流学习。
客户端
准备了两个客户端进行测试，一个异步客户端，一个协程客户端。
异步客户端
<span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important"><?</span><span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">php</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(98, 151, 85) !important">// 35-swoole-client.php</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box"></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$client</span> <span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">=</span> <span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">new</span> <span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">Swoole\Client</span>(<span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">SWOOLE_SOCK_TCP</span>);</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">if</span> (<span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">!</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$client</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">-></span><span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">connect</span>(<span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">'127.0.0.1'</span>, <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">9501</span>, <span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">-</span><span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">1</span>)) {</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">exit</span>(<span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">'connect failed. Error:'</span> . <span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$client</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">-></span><span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">errCode</span> . <span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">PHP_EOL</span>);</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">}</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$client</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">-></span><span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">send</span>(<span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">'I am Swoole Client'</span>);</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">echo</span> <span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$client</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">-></span><span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">recv</span>() . <span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">PHP_EOL</span>;</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$client</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">-></span><span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">close</span>();</span>
协程客户端
<span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important"><?</span><span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">php</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(98, 151, 85) !important">// 35-swoole-coroutine-client.php</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box"></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">Swoole\Coroutine\run</span>(<span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">function</span> () {</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$client</span> <span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">=</span> <span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">new</span> <span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">Swoole\Coroutine\Client</span>(<span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">SWOOLE_SOCK_TCP</span>);</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">if</span> (<span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">!</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$client</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">-></span><span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">connect</span>(<span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">'127.0.0.1'</span>, <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">9501</span>, <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">0.5</span>))</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> {</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">echo</span> <span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"connect failed. Error: </span>{<span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$client</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">-></span><span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">errCode</span>}<span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">\n"</span>;</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> }</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$client</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">-></span><span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">send</span>(<span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"hello world\n"</span>);</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span style="box-sizing: border-box;color: rgb(198, 120, 221) !important">echo</span> <span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$client</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">-></span><span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">recv</span>();</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$client</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">-></span><span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">close</span>();</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px">});</span>
输出结果
<span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(98, 151, 85) !important"># 协程服务端</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$php</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">35</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">-</span><span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">swoole</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">-</span><span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">coroutine</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">-</span><span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">server</span>.<span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">php</span> </span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">神界：哟，来新人了：I</span> <span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">am</span> <span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">Swoole</span> <span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">Client</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">神界：哟，来新人了：I</span> <span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">am</span> <span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">Swoole</span> <span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">Client</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">神界：哟，来新人了：我是协程客户端</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">神界：哟，来新人了：我是协程客户端</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box"></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(98, 151, 85) !important"># 客户端</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$php</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">35</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">-</span><span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">swoole</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">-</span><span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">client</span>.<span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">php</span> </span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">我是神界接引人</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$php</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">35</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">-</span><span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">swoole</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">-</span><span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">client</span>.<span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">php</span> </span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">我是神界接引人</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$php</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">35</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">-</span><span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">swoole</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">-</span><span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">coroutine</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">-</span><span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">client</span>.<span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">php</span> </span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">我是神界接引人</span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">$php</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">35</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">-</span><span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">swoole</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">-</span><span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">coroutine</span><span style="box-sizing: border-box;color: rgb(86, 182, 194) !important">-</span><span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">client</span>.<span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">php</span> </span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(18, 170, 228) !important">我是神界接引人</span></span>
协程 TCP API
__construct
含义：构造方法。
语法：
<span style="color: rgb(0, 176, 240);">Swoole\Coroutine\Server::__construct(string $host, int $port = 0, bool $ssl = false, bool $reuse_port = false);</span><br></br>
set
含义：设置协议处理参数。
语法：Swoole\Coroutine\Server->set(array $options);
参数：参数 $options 必须为一维的关联索引数组，与 setprotocol 方法接受的配置项完全一致。
handle
含义：设置连接处理函数。
语法：Swoole\Coroutine\Server->handle(callable $fn);
参数：$fn，设置链接处理函数。
shutdown
含义：终止服务器。
start
含义：启动服务器。
recv
含义：接收数据，如果设置了协议处理，将每次返回完整的包。
send
含义：发送数据。
close
含义：关闭连接。
exportSocket
含义：得到当前连接的 Socket 对象。
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