本文实例讲述了php+html5基于websocket实现聊天室的方法。分享给大家供大家参考。具体如下：
html5的websocket 实现了双向通信，折腾了几天弄了个聊天室，分享给大家
run();class sock{ public $sockets; public $users; public $master; public function __construct($address, $port){ $this->master=$this->websocket($address, $port); $this->sockets=array('s'=>$this->master); } function run(){ while(true){ $changes=$this->sockets; socket_select($changes,$write=null,$except=null,null); foreach($changes as $sock){ if($sock==$this->master){ $client=socket_accept($this->master); //$key=uniqid(); $this->sockets[]=$client; $this->users[]=array( 'socket'=>$client, 'shou'=>false ); }else{ $len=socket_recv($sock,$buffer,2048,0); $k=$this->search($sock); if($lenusers[$k]['ming']; $this->close($sock); $this->send2($name,$k); continue; } if(!$this->users[$k]['shou']){ $this->woshou($k,$buffer); }else{ $buffer = $this->uncode($buffer); $this->send($k,$buffer); } } } } } function close($sock){ $k=array_search($sock, $this->sockets); socket_close($sock); unset($this->sockets[$k]); unset($this->users[$k]); $this->e(key:$k close); } function search($sock){ foreach ($this->users as $k=>$v){ if($sock==$v['socket']) return $k; } return false; } function websocket($address,$port){ $server = socket_create(af_inet, sock_stream, sol_tcp); socket_set_option($server, sol_socket, so_reuseaddr, 1); socket_bind($server, $address, $port); socket_listen($server); $this->e('server started : '.date('y-m-d h:i:s')); $this->e('listening on : '.$address.' port '.$port); return $server; } function woshou($k,$buffer){ $buf = substr($buffer,strpos($buffer,'sec-websocket-key:')+18); $key = trim(substr($buf,0,strpos($buf,\r\n))); $new_key = base64_encode(sha1($key.258eafa5-e914-47da-95ca-c5ab0dc85b11,true)); $new_message = http/1.1 101 switching protocols\r\n; $new_message .= upgrade: websocket\r\n; $new_message .= sec-websocket-version: 13\r\n; $new_message .= connection: upgrade\r\n; $new_message .= sec-websocket-accept: . $new_key . \r\n\r\n; socket_write($this->users[$k]['socket'],$new_message,strlen($new_message)); $this->users[$k]['shou']=true; return true; } function uncode($str){ $mask = array(); $data = ''; $msg = unpack('h*',$str); $head = substr($msg[1],0,2); if (hexdec($head{1}) === 8) { $data = false; }else if (hexdec($head{1}) === 1){ $mask[] = hexdec(substr($msg[1],4,2)); $mask[] = hexdec(substr($msg[1],6,2)); $mask[] = hexdec(substr($msg[1],8,2)); $mask[] = hexdec(substr($msg[1],10,2)); $s = 12; $e = strlen($msg[1])-2; $n = 0; for ($i=$s; $icode($msg),'all');*/ parse_str($msg,$g); $this->e($msg); $ar=array(); if($g['type']=='add'){ $this->users[$k]['ming']=$g['ming']; $ar['add']=true; $ar['nrong']='欢迎'.$g['ming'].'加入！'; $ar['users']=$this->getusers(); $key='all'; }else if($g['type']=='ltiao'){ $ar['nrong']=$g['nr']; $key=$g['key']; } $msg=json_encode($ar); $this->e($msg); $msg = $this->code($msg); $this->send1($k,$msg,$key); //socket_write($this->users[$k]['socket'],$msg,strlen($msg)); } function getusers(){ $ar=array(); foreach($this->users as $k=>$v){ $ar[$k]=$v['ming']; } return $ar; } function send1($k,$str,$key='all'){ if($key=='all'){ foreach($this->users as $v){ socket_write($v['socket'],$str,strlen($str)); } }else{ if($k!=$key) socket_write($this->users[$k]['socket'],$str,strlen($str)); socket_write($this->users[$key]['socket'],$str,strlen($str)); } } function send2($ming,$k){ $ar['remove']=true; $ar['removekey']=$k; $ar['nrong']=$ming.'退出聊天室'; $str = $this->code(json_encode($ar)); $this->send1(false,$str,'all'); } function e($str){ $path=dirname(__file__).'/log.txt'; $str=$str.\n; error_log($str,3,$path); echo iconv('utf-8','gbk//ignore',$str); }}?>
希望本文所述对大家的php程序设计有所帮助。