Recently in the company's use of live between the establishment of a graphic live broadcast between the chatsever, the study of the HTML5 WebSocket realized two-way communication, according to the experience of predecessors toss a few days to get a chat room, to send pictures, send QQ expression, group chat private chat and other functions, Specially to share to you novice reference study, Daniel can ignore.
Front End: client.html
<!doctype html>
<?phperror_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 ();//Received Data Private $slen =array ();//Data total length private $sjen =array ();//The length of the received data private $ar =array ();/ Encryption key Private $n =array (); Public function __construct ($address, $port) {$this->master= $this->websocket ($address, $port); $this Sockets=array ($this->master); The 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]); $this->socket S=array ($this->master); foreach ($this->users as $v) {$this->sockets[]= $v [' socket '];} $this->e ("Key: $k close"); The function search ($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 ($head = = ' Bayi ' &&!isset ($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):d Echex ($len); }else if ($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 $msg; }//user joins function Send ($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 sender's code $key recipient's Code function send1 ($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 (); $str 1 = $this->code (Json_encode ($ AR)); Socket_write ($users [$k] [' socket '], $str 1,strlen ($str 1)); 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)); }}//user exits 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); }}?>
Many children's shoes reaction with my source code project or error, can not run, say detailed installation deployment steps.
First extract the downloaded source code into the Web directory, such as mine is Applications/xampp/xamppfiles/htdocs/phpb/websocket,
Path
Then use the Command line tool CD to enter this directory and run the command:
PHP websocket.php
Run:
Command-line Operations
Then open the Apache server and access the http://localhost/phpb/websocket/client.html in the browser
Run:
The above is the whole content of this article, I hope that everyone's learning has helped, but also hope that we support topic.alibabacloud.com.
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