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');  };