本文實例講述了php+html5基于websocket實現聊天室的方法。分享給大家供大家參考。具體如下:
html5的websocket 實現了雙向通信,折騰了幾天弄了個聊天室,分享給大家
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<?php error_reporting (E_ALL); ob_implicit_flush(); $sk = new Sock( '127.0.0.1' ,8000); $sk ->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 ( $len <7){ $name = $this ->users[ $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 ; $i <= $e ; $i += 2) { $data .= chr ( $mask [ $n %4]^hexdec( substr ( $msg [1], $i ,2))); $n ++; } } return $data ; } function code( $msg ){ $msg = preg_replace( array ( '/\r$/' , '/\n$/' , '/\r\n$/' ,), '' , $msg ); $frame = array (); $frame [0] = '81' ; $len = strlen ( $msg ); $frame [1] = $len <16? '0' . dechex ( $len ): dechex ( $len ); $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 ; } function send( $k , $msg ){ /*$this->send1($k,$this->code($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' ]= '歡迎' . $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 ); } } ?> |
希望本文所述對大家的php程序設計有所幫助。