php实现websocket实时消息推送，供大家参考，具体内容如下
socketrvice.php
<?php/** * created by xwx * date: 2017/10/18 * time: 14:33 */class socketrvice{ private $address = '0.0.0.0'; private $port = 8083; private $_sockets; public function __construct($address = '', $port='') { if(!empty($address)){ $this->address = $address; } if(!empty($port)) { $this->port = $port; } } public function rvice(){ //获取tcp协议号码。 $tcp = getprotobyname("tcp"); $sock = socket_create(af_inet, sock_stream, $tcp); socket_t_option($sock, sol_socket, so_reuaddr, 1); if($sock < 0) { throw new exception("failed to create socket: ".socket_strerror($sock)."\n"); } socket_bind($sock, $this->address, $this->port); socket_listen($sock, $this->port); echo "listen on $this->address $this->port ... \n"; $this->_sockets = $sock; } public function run(){ $this->rand和vice(); $clients[] = $this->_sockets; while (true){ $changes = $clients; $write = null; $except = null; socket_lect($changes, $write, $except, null); foreach ($changes as $key => $_sock){ if($this->_sockets == $_sock){ //判断是不是新接入的socket if(($newclient = socket_accept($_sock)) === fal){ die('failed to accept socket: '.socket_strerror($_sock)."\n"); } $line = trim(socket_read($newclient, 1024)); $this->handshaking($newclient, $line); //获取client ip socket_getpeername ($newclient, $ip); $clients[$ip] = $newclient; echo "client ip:{$ip} \n"; echo "client msg:{$line} \n"; } el { socket_recv($_sock, $buffer, 2048, 0); $msg = $this->message($buffer); //在这里业务代码 echo "{$key} clinet msg:",$msg,"\n"; fwrite(stdout, 'plea input a argument:'); $respon = trim(fgets(stdin)); $this->nd($_sock, $respon); echo "{$key} respon to client:".$respon,"\n"; } } } } /** * 握手处理 * @param $newclient socket * @return int 接收到的信息 */ public function handshaking($newclient, $line){ $headers = array(); $lines = preg_split("/\r\n/", $line); foreach($lines as $line) { $line = chop($line); if(preg_match('/\a(\s+): (.*)\z/', $line, $matches)) { $headers[$matches[1]] = $matches[2]; } } $ckey = $headers['c-websocket-key']; $caccept = ba64_encode(pack('h*', sha1($ckey . '258eafa5-e914-47da-95ca-c5ab0dc85b11'))); $upgrade = "http/1.1 101 web socket protocol handshake\r\n" . "upgrade: websocket\r\n" . "connection: upgrade\r\n" . "websocket-origin: $this->address\r\n" . "websocket-location: ws://$this->address:$this->port/websocket/web山东公务员申论socket\r\n". "c-websocket-accept:$caccept\r\n\r\n"; return socket_write($newclient, $upgrade, strlen($upgrade)); } /** * 解析接收数据 * @param $buffer * @return null|string */ public function message($buffer){ $len = $masks = $data = $decoded = null; $len = ord($buffer[1]) & 127; if ($len === 126) { $masks = subst文学摘抄r($buffer, 4, 4); $data = substr($buffer, 8); } el if ($len === 127) { $masks = substr($buffer, 10, 4); $data = substr($buffe叫我好邻居r, 14); } el { $masks = substr($buffer, 2, 4); $data = substr($buffer, 6); } for ($index = 0; $index < strlen($data); $index++) { $decoded .= $data[$index] ^ $masks[$index % 4]; } return $decoded; } /** * 发送数据 * @param $newclinet 新接入的socket * @param $msg 要发送的数据 * @return int|string */ public function nd($newclinet, $msg){ $msg = $this->frame($msg); socket_write($newclinet, $msg, strlen($msg)); } public function frame($s) { $a = str_split($s, 125); if (count($a) == 1) { return "\x81" . chr(strlen($a[0])) . $a[0]; } $ns = ""; foreach ($a as $o) { $ns .= "\x81" . chr(strlen($o)) . $o; } return $ns; } /** * 关闭socket */ public function clo(){ return socket_clo($this->_sockets); }}$sock = new socketrvice();$sock->run();web.html
<!doctype html><html lang="en"> <head> <meta chart="utf-8"> <meta name="viewport" content="width=device-width,initial-scale=1, maximum-scale=1, ur-scalable=no"> <title>websocket</title> </head> <body> <input id="text" value=""> <input type="submit" value="nd" onclick="start()"> <input type="submit" value="clo" onclick="clo()"><div id="msg"></div> <script> /** 0：未连接1：连接成功一句简单的晒娃句子，可通讯2：正在关闭3：连接已关闭或无法打开*/ //创建一个websocket 实例 var websocket = new websocket("ws://192.168.31.152:8083"); websocket.onerror = function (event){ onerror(event); }; // 打开websocket websocket.onopen = function (event){ onopen(event); }; //监听消息 websocket.onmessage = function (event){ onmessage(event); }; websocket.onclo = function (event){ onclo(event); } //关闭监听websocket function onerror(event){ document.getelementbyid("msg").innerhtml = "<p>clo</p>"; console.log("error"+event.data); }; function onopen(event){ console.log("open:"+sockstate()); document.getelementbyid("msg").innerhtml = "<p>connect to rvice</p>"; }; function onmessage(event){ console.log("onmessage"); document.getelementbyid("msg").innerhtml += "<p>respon:"+event.data+"</p>" }; function onclo(event){ document.getelementbyid("msg").innerhtml = "<p>clo</p>"; console.log("clo:"+sockstate()); websocket.clo(); } function sockstate(){ var status = ['未连接','连接成功，可通讯','正在关闭','连接已关闭或无法打开']; return status[websocket.readystate]; } function start(event){ console.log(websocket); var msg = document.getelementbyid('text').value; document.getelementbyid('text').value = ''; console.log("nd:"+sockstate()); console.log("msg="+msg); websocket.nd("msg="+msg); document.getelementbyid("msg").innerhtml += "<p>request"+msg+"</p>" }; function clo(event){ websocket.clo(); } </script> </body></html>以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持www.887551.com。
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