swoole和websocket简单聊天室开发

public function start(){   $this->lock = new swoole_lock(SWOOLE_MUTEX);　　　　　　　　　　　　   // 对文件或数组进行锁操作，已达到同步   $this->server = new swoole_websocket_server($this->addr, $this->port);　　   // swoole提供的Websocket Server   $this->server->set(array(      'daemonize' => 0,      'worker_num' => 4,      'task_worker_num' => 10,      'max_request' => 1000,      'log_file' => ROOT_PATH . 'storage//logs//swoole.log'       // swoole日志路径，必须是绝对路径   ));   $this->server->on('open', array($this, 'onOpen'));   $this->server->on('message', array($this, 'onMessage'));   $this->server->on('task', array($this, 'onTask'));   $this->server->on('finish', array($this, 'onFinish'));   $this->server->on('close', array($this, 'onClose'));　　 // 启动服务   $this->server->start();}

public function onOpen($server, $request)    {      $message = array(        'remote_addr' => $request->server['remote_addr'],        'request_time' => date('Y-m-d H:i:s', $request->server['request_time'])      );      write_log($message);    }

public function onMessage($server, $frame)    {      $data = json_decode($frame->data);      switch ($data->type) {        case 'init':        case 'INIT':          $this->users[$frame->fd] = $data->message;　　、      // 记录每个链接的信息，同样不要尝试打印出来看，因为你只能看到自己的链接信息          $message = '欢迎' . $data->message . '加入了聊天室';          $response = array(            'type' => 1,  // 1代表系统消息，2代表用户聊天            'message' => $message          );          break;        case 'chat':        case 'CHAT':          $message = $data->message;          $response = array(            'type' => 2,  // 1代表系统消息，2代表用户聊天            'username' => $this->users[$frame->fd],            'message' => $message          );          break;        default:          return false;      }　　　　　　　　　　　　　　　// 将信息交给task处理      $this->server->task($response);    }    public function onTask($server, $task_id, $from_id, $message)    {　　　　　　　// 迭代所有的客户端链接，将消息推送过去。（如果你尝试将 $this->server->connections 打印出来，那么你会发现他是空的。但当时用 foreach 去循环时，它确实有用。）      foreach ($this->server->connections as $fd) {        $this->server->push($fd, json_encode($message));      }      $server->finish( 'Task' . $task_id . 'Finished' . PHP_EOL);    }

public function onClose($server, $fd)    {      $username = $this->users[$fd];      // 释放客户端，利用锁进行同步      $this->lock->lock();      unset($this->users[$fd]);      $this->lock->unlock();      if( $username ) {        $response = array(          'type' => 1,  // 1代表系统消息，2代表用户聊天          'message' => $username . '离开了聊天室'        );        $this->server->task($response);      }      write_log( $fd . ' disconnected');    }

// websocket    let address = 'ws://<?php echo CLIENT_CONNECT_ADDR . ':' . CLIENT_CONNECT_PORT ?>';    let webSocket = new WebSocket(address);    webSocket.onerror = function (event) {      alert('服务器连接错误，请稍后重试');    };    webSocket.onopen = function (event) {      if(!sessionStorage.getItem('username')) {        setName();      }else {        username = sessionStorage.getItem('username')        webSocket.send(JSON.stringify({          'message': username,          'type': 'init'        }));      }    };    webSocket.onmessage = function (event) {      console.log(event);      let data = JSON.parse(event.data);      if (data.type == 1) {        $('#chat-list2').append('<li class="ui-border-tb"><span class="username">系统消息:</span><span class="message">' + data.message + '</span></li>');      } else if (data.type == 2) {        $('#chat-list2').append('<li class="ui-border-tb"><span class="username">' + data.username + ':</span><span class="message">' + data.message + '</span></li>');      }    };    webSocket.onclose = function (event) {      alert('散了吧，服务器都关了');    };