php实现websocket实时消息推送
2018-09-07 13:21
php实现websocket实时消息推送，供大家参考，具体内容如下
SocketService.php
<?php /** * Created by xwx * Date: 2017/10/18 * Time: 14:33 */ class SocketService { 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 service(){ //获取tcp协议号码。 $tcp = getprotobyname(tcp); $sock = socket_create(AF_INET, SOCK_STREAM, $tcp); socket_set_option($sock, SOL_SOCKET, SO_REUSEADDR, 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->service(); $clients[] = $this->_sockets; while (true){ $changes = $clients; $write = NULL; $except = NULL; socket_select($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($_sock)) === false){ die(failed to accept socket: .socket_strerror($_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:{$line} \n; } else { socket_recv($_sock, $buffer, 2048, 0); $msg = $this->message($buffer); //在这里业务代码 echo {$key} clinet msg:,$msg,\n; fwrite(STDOUT, Please input a argument:); $response = trim(fgets(STDIN)); $this->send($_sock, $response); echo {$key} response to Client:.$response,\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]; } } $secKey = $headers[Sec-WebSocket-Key]; $secAccept = base64_encode(pack(H*, sha1($secKey . 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:$this->port/websocket/websocket\r\n. Sec-WebSocket-Accept:$secAccept\r\n\r\n; return socket_write($newClient, $upgrade, strlen($upgrade)); } /** * 解析接收数据 * @param $buffer * @return nullstring */ public function message($buffer){ $len = $masks = $data = $decoded = null; $len = ord($buffer[1]) & 127; if ($len === 126) { $masks = substr($buffer, 4, 4); $data = substr($buffer, 8); } else if ($len === 127) { $masks = substr($buffer, 10, 4); $data = substr($buffer, 14); } else { $masks = substr($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 $msg 要发送的数据 * @return intstring */ public function send($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 $ns; } /** * 关闭socket */ public function close(){ return socket_close($this->_sockets); } } $sock = new SocketService(); $sock->run();
web.html
<!doctype html> <html lang=en> <head> <meta charset=UTF-8> <meta name=viewport content=width=device-width,initial-scale=1, maximum-scale=1, user-scalable=no> <title>websocket</title> </head> <body> <input id=text value=> <input type=submit value=send onclick=start()> <input type=submit value=close onclick=close()> <div id=msg></div> <script> /** 0：未连接 1：连接成功，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.onclose = function (event){ onClose(event); } //关闭监听erHTML = <p>close</p>; console.log(error+event.data); }; function onOpen(event){ console.log(open:+sockState()); document.getElementById(msg).innerHTML = <p>Connect to Service</p>; }; function onMessage(event){ console.log(onMessage); document.getElementById(msg).innerHTML += <p>response:+event.data+</p> }; function onClose(event){ document.getElementById(msg).innerHTML = <p>close</p>; console.log(close:+sockState()); webSocket.close(); } 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(send:+sockState()); console.log(msg=+msg); webSocket.send(msg=+msg); document.getElementById(msg).innerHTML += <p>request+msg+</p> }; function close(event){ webSocket.close(); } </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脚本之家。
文章标题：php实现websocket实时消息推送
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