基于swoole实现多人聊天室

核心的swoole代码

基本的cs(client-sercer)结构不变,这里利用的是redis的哈希和set来储存和分组;从而达到了分组,统计,定时推送等功能;最后利用onclose事件来剔除断开的连接,全部代码如下:(没做前端,就不展示了)

核心的swoole ws.php

<?php 
  
namespace app\common; 
require_once 'Predis.php'; 
require_once 'Task.php'; 
/** 
*  socket面向对象的编译 
*/
class Ws 
{ 
  CONST HOST='0.0.0.0'; 
  CONST PORT='9501'; 
  public $ws=null; 
  public $getmsg=null; 
  public $server=null; 
  
  public function __construct() 
  {   
    $this->ws=new \swoole_websocket_server(self::HOST,self::PORT); 
    $this->ws->set([ 
      //启动task必须要设置其数量 
      'worker_num' => 4, 
      'task_worker_num' => 2, 
      // 'heartbeat_check_interval' => 5, 
      // 'heartbeat_idle_time' => 10, 
    ]); 
    //监听新端口 
    $this->server=$this->ws->listen("127.0.0.1", 9502, SWOOLE_SOCK_TCP); 
    //关闭websocket模式 
    $this->server->set([ 
      'open_websocket_protocol' => false, 
    ]); 
  
    $this->ws->on("start", [$this, 'onStart']); 
    $this->ws->on('open',[$this,'onopen']); 
    $this->server->on("receive", [$this, 'onReceive']); 
    $this->ws->on('task',[$this,'onTask']); 
    $this->ws->on('finish',[$this,'onFinish']); 
    $this->ws->on('message',[$this,'onmessage']); 
    $this->ws->on('close',[$this,'onclose']); 
    $this->server->on("close", [$this, 'oncloses']); 
    $this->ws->start(); 
  } 
  //监听数据接收事件 
  public function onReceive($serv, $fd, $from_id, $data) 
  { 
    $shuju=json_decode($data,ture); 
    // print_r($shuju).PHP_EOL; 
    if (empty($shuju['data'])) { 
      $this->ws->push(Predis::getInstance()->get('fd'), $data); 
    }else{ 
      if (empty($shuju['msg'])) { 
        //执行异步任务 
        $this->ws->task($shuju); 
      }else{ 
        $push_arr=Predis::getInstance()->hvals($shuju['data']); 
        // echo "集群是:".print_r($push_arr); 
        foreach ($push_arr as $v) { 
          $this->ws->push($v, $shuju['msg']); 
        } 
      } 
    } 
  } 
  /** 
   * 设置进程名，为后续平滑重启进程 
   * @param $server 
   */
  public function onStart($server) { 
    swoole_set_process_name("live_master"); 
  }    
  /** 
    监听开启事件的回调 
  */
  public function onopen($server, $request) 
  { 
    print_r("这时的fd是:",$request->fd); 
    Predis::getInstance()->set('fd',$request->fd); 
  } 
    
  /** 
    监听接收事件的回调 
  */
  public function onmessage($server, $frame) 
  { 
    $server->push($frame->fd, "{$frame->data}"); 
  } 
  /** 
    监听关闭事件的回调 
  */
  public function onclose($ser, $fd) 
  { 
    print_r("你好,我的{$fd}\n"); 
    //退出并删除多余的分组fd 
    $group=Predis::getInstance()->sMembers('group'); 
    foreach ($group as $v) { 
      $fangjian=Predis::getInstance()->hgetall($v); 
      foreach ($fangjian as $k => $vv) { 
        if ($fd == $vv) { 
          Predis::getInstance()->hdel($v,$k); 
        } 
      } 
    } 
  } 
  public function oncloses($ser, $fd) 
  { 
    print_r("这个是client{$fd}\n"); 
  } 
  
  /** 
  *  $serv      服务 
  *  $task_id    任务ID，由swoole扩展内自动生成，用于区分不同的任务 
  *  $src_worker_id $task_id和$src_worker_id组合起来才是全局唯一的，不同的worker进程投递的任务ID可能会有相同 
  *  $data      是任务的内容 
  */
   public function onTask($serv,$task_id,$src_worker_id,$data) 
  { 
    //引入任务 
    $obj = new Task; 
    $method = $data['data']; 
    $arr = $data['arr']; 
    //发布具体的任务 
    $flag = $obj->$method($arr, $serv); 
    return $flag; // 告诉worker 
  } 
  /** 
  *  $task_id    是任务的ID 
  *  $data      是任务处理的结果内容 
  */
   public function onFinish($serv,$task_id,$data) 
  { 
    print_r($data).'/n'; 
  } 
  
} 
  
new Ws(); 

分发任务task.php

<?php 
/** 
 * 代表的是 swoole里面 后续 所有 task异步 任务 都放这里来 
 * Date: 18/3/27 
 * Time: 上午1:20 
 */
namespace app\common; 
// include 'Predis.php'; 
  
class Task { 
  //异步创建房间 
  public function chuangjian($data,$serv) 
  { 
    $time=$data['time']*1000; 
    swoole_timer_after($time, function() use($data){ 
      //创建房间(修改拍卖商品状态) 
      self::post("https://code.77wx.cn/index/index/in"); 
    }); 
  } 
  
  //进入房间并缓存信息 
  public function jingru($data,$serv) 
  { 
    $fd=Predis::getInstance()->get('fd'); 
    //加入分组 
    Predis::getInstance()->hset($data['name'],$data['uid'],$fd); 
    //加入组集合 
    Predis::getInstance()->sadd('group',$data['name']); 
  } 
  
  
  public function post($url,$params=false,$ispost=0) 
  { 
    $httpInfo = array(); 
    $ch = curl_init(); 
    curl_setopt( $ch, CURLOPT_HTTP_VERSION , CURL_HTTP_VERSION_1_1 ); 
    curl_setopt( $ch, CURLOPT_USERAGENT , 'Mozilla/5.0 (Windows NT 5.1) AppleWebKit/537.22 (KHTML, like Gecko) Chrome/25.0.1364.172 Safari/537.22' ); 
    curl_setopt( $ch, CURLOPT_CONNECTTIMEOUT , 30 ); 
    curl_setopt( $ch, CURLOPT_TIMEOUT , 30); 
    curl_setopt( $ch, CURLOPT_RETURNTRANSFER , true ); 
    if( $ispost ) 
    { 
      curl_setopt( $ch , CURLOPT_POST , true ); 
      curl_setopt( $ch , CURLOPT_POSTFIELDS , $params ); 
      curl_setopt( $ch , CURLOPT_URL , $url ); 
    } 
    else
    { 
      if($params){ 
        curl_setopt( $ch , CURLOPT_URL , $url.'?'.$params ); 
      }else{ 
        curl_setopt( $ch , CURLOPT_URL , $url); 
      } 
    } 
    //执行 
    $response = curl_exec( $ch ); 
    if ($response === FALSE) { 
      //echo "cURL Error: " . curl_error($ch); 
      return false; 
    } 
  
    $httpCode = curl_getinfo( $ch , CURLINFO_HTTP_CODE ); 
    $httpInfo = array_merge( $httpInfo , curl_getinfo( $ch ) ); 
    //关闭url请求 
    curl_close( $ch ); 
    return json_decode($response,1); 
  } 
  
}

客户端 client.php

<?php 
namespace app\common; 
  
class Client 
{ 
  public $msg=''; 
  
  public $data=[]; 
  
  public function lianjie(){ 
  
    $cli = new \swoole_client(SWOOLE_SOCK_TCP); 
    //判断连接状态（同步连接模式） 
    $res=$cli->connect('127.0.0.1', 9502); 
    if (empty($res)) { 
      return "连接失败"; 
    } 
  
    if (!empty($this->data)) { 
      //发送消息给server 
      $rel=$cli->send(json_encode($this->data)); 
    }else{ 
      //发送消息给server 
      $rel=$cli->send($this->msg); 
    } 
    if (!empty($rel)) { 
      return $rel; 
    }else{ 
      return flash; 
    } 
  } 
}

控制器index.php

<?php 
namespace app\index\controller; 
  
use app\common\Client; 
use app\common\Predis; 
use app\common\Sql; 
use app\index\model\User; 
  
class Index 
{ 
  //创建房间(添加拍卖倒计时) 
  public function chuangjian() 
  { 
    $data['time']=input("time"); 
    $data['id']=input("id"); 
    $cli = new Client(); 
    $cli->data = [ 
      'data' => 'chuangjian', 
      'arr' => $data
    ]; 
    return $cli->lianjie(); 
  } 
  //点击添加哈希(进入房间) 
  public function jingru() 
  { 
    $data['name']=input("name"); 
    $data['uid']=input("uid"); 
    $cli = new Client(); 
    $cli->data = [ 
      'data' => 'jingru', 
      'arr' => $data
    ]; 
    return $cli->lianjie(); 
  } 
  //本房间推送(出价格成功并推送) 
  public function pushfan() 
  { 
    $data['fan']=input("fan"); 
    $cli = new Client(); 
    $cli->data = [ 
      'data' => $data['fan'], 
      'msg' => "恭喜用户111,喜当爹!!!!"
    ]; 
    return $cli->lianjie(); 
  } 
  //时间结束并指定推送 
  public function zhiding() 
  { 
    $data['fan']=input("fan"); 
    $cli = new Client(); 
    $cli->data = [ 
      'data' => $data['fan'], 
      'msg' => "恭喜用户111,喜当爹!!!!"
    ]; 
    return $cli->lianjie(); 
  } 
  
}

完事！

来源：https://www.cnblogs.com/wadhf/p/11827834.html