<?php error_reporting(E_ALL ^ E_NOTICE); ob_implicit_flush(); $sk=new Sock('127.0.0.1',8000); $sk->run(); class Sock{ public $sockets; public $users; public $master; private $sda=array();//已接收的数据 private $slen=array();//数据总长度 private $sjen=array();//接收数据的长度 private $ar=array();//加密key private $n=array(); public function __construct($address, $port){ $this->master=$this->WebSocket($address, $port); $this->sockets=array($this->master); } function run(){ while(true){ $changes=$this->sockets; $write=NULL; $except=NULL; socket_select($changes,$write,$except,NULL); foreach($changes as $sock){ if($sock==$this->master){ $client=socket_accept($this->master); $key=uniqid(); $this->sockets[]=$client; $this->users[$key]=array( 'socket'=>$client, 'shou'=>false ); }else{ $len=0; $buffer=''; do{ $l=socket_recv($sock,$buf,1000,0); $len+=$l; $buffer.=$buf; }while($l==1000); $k=$this->search($sock); if($len<7){ $this->send2($k); continue; } if(!$this->users[$k]['shou']){ $this->woshou($k,$buffer); }else{ $buffer = $this->uncode($buffer,$k); if($buffer==false){ continue; } $this->send($k,$buffer); } } } } } function close($k){ socket_close($this->users[$k]['socket']); unset($this->users[$k]); $this->sockets=array($this->master); foreach($this->users as $v){ $this->sockets[]=$v['socket']; } $this->e("key:$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($str,$key){ $mask = array(); $data = ''; $msg = unpack('H*',$str); $head = substr($msg[1],0,2); if ($head == '81' && !isset($this->slen[$key])) { $len=substr($msg[1],2,2); $len=hexdec($len); if(substr($msg[1],2,2)=='fe'){ $len=substr($msg[1],4,4); $len=hexdec($len); $msg[1]=substr($msg[1],4); }else if(substr($msg[1],2,2)=='ff'){ $len=substr($msg[1],4,16); $len=hexdec($len); $msg[1]=substr($msg[1],16); } $mask[] = hexdec(substr($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; $n=0; }else if($this->slen[$key] > 0){ $len=$this->slen[$key]; $mask=$this->ar[$key]; $n=$this->n[$key]; $s = 0; } $e = strlen($msg[1])-2; for ($i=$s; $i<= $e; $i+= 2) { $data .= chr($mask[$n%4]^hexdec(substr($msg[1],$i,2))); $n++; } $dlen=strlen($data); if($len > 255 && $len > $dlen+intval($this->sjen[$key])){ $this->ar[$key]=$mask; $this->slen[$key]=$len; $this->sjen[$key]=$dlen+intval($this->sjen[$key]); $this->sda[$key]=$this->sda[$key].$data; $this->n[$key]=$n; return false; }else{ unset($this->ar[$key],$this->slen[$key],$this->sjen[$key],$this->n[$key]); $data=$this->sda[$key].$data; unset($this->sda[$key]); return $data; } } function code($msg){ $frame = array(); $frame[0] = '81'; $len = strlen($msg); if($len < 126){ $frame[1] = $len<16?'0'.dechex($len):dechex($len); }else if($len < 65025){ $s=dechex($len); $frame[1]='7e'.str_repeat('0',4-strlen($s)).$s; }else{ $s=dechex($len); $frame[1]='7f'.str_repeat('0',16-strlen($s)).$s; } $frame[2] = $this->ord_hex($msg); $data = implode('',$frame); return pack("H*", $data); } function ord_hex($data) { $msg = ''; $l = strlen($data); for ($i= 0; $i<$l; $i++) { $msg .= dechex(ord($data{$i})); } return $msg; } //用户加入 function send($k,$msg){ parse_str($msg,$g); $ar=array(); if($g['type']=='add'){ $this->users[$k]['name']=$g['ming']; $ar['type']='add'; $ar['name']=$g['ming']; $key='all'; }else{ $ar['nrong']=$g['nr']; $key=$g['key']; } $this->send1($k,$ar,$key); } function getusers(){ $ar=array(); foreach($this->users as $k=>$v){ $ar[]=array('code'=>$k,'name'=>$v['name']); } return $ar; } //$k 发信息人的code $key接受人的 code function send1($k,$ar,$key='all'){ $ar['code1']=$key; $ar['code']=$k; $ar['time']=date('m-d H:i:s'); $str = $this->code(json_encode($ar)); if($key=='all'){ $users=$this->users; if($ar['type']=='add'){ $ar['type']='madd'; $ar['users']=$this->getusers(); $str1 = $this->code(json_encode($ar)); socket_write($users[$k]['socket'],$str1,strlen($str1)); unset($users[$k]); } foreach($users as $v){ socket_write($v['socket'],$str,strlen($str)); } }else{ socket_write($this->users[$k]['socket'],$str,strlen($str)); socket_write($this->users[$key]['socket'],$str,strlen($str)); } } //用户退出 function send2($k){ $this->close($k); $ar['type']='rmove'; $ar['nrong']=$k; $this->send1(false,$ar,'all'); } function e($str){ //$path=dirname(__FILE__).'/log.txt'; $str=$str."\n"; //error_log($str,3,$path); echo iconv('utf-8','gbk//IGNORE',$str); } } ?>
很多童鞋反应用我的源码项目还是报错，不能运行，说下详细安装部署步骤。
首先把下载下来的源代码解压放到web目录下，比如我的就是applications/Xampp/xamppfiles/htdocs/phpb/websocket,
路径
然后使用命令行工具cd进这个目录，运行命令：
php websocket.php
运行效果图：
命令行操作
接着打开Apache服务器，在浏览器访问
运行效果图：