bytes.php 字节编码类
/** * byte数组与字符串转化类 * @author * created on 2011-7-15 */class bytes { /** * 转换一个string字符串为byte数组 * @param $str 需要转换的字符串 * @param $bytes 目标byte数组 * @author zikie */ public static function getbytes($str) { $len = strlen($str); $bytes = array(); for($i=0;$i= 128){ $byte = ord($str[$i]) - 256; }else{ $byte = ord($str[$i]); } $bytes[] = $byte ; } return $bytes; } /** * 将字节数组转化为string类型的数据 * @param $bytes 字节数组 * @param $str 目标字符串 * @return 一个string类型的数据 */ public static function tostr($bytes) { $str = ''; foreach($bytes as $ch) { $str .= chr($ch); } return $str; } /** * 转换一个int为byte数组 * @param $byt 目标byte数组 * @param $val 需要转换的字符串 * @author zikie */ public static function integertobytes($val) { $byt = array(); $byt[0] = ($val & 0xff); $byt[1] = ($val >> 8 & 0xff); $byt[2] = ($val >> 16 & 0xff); $byt[3] = ($val >> 24 & 0xff); return $byt; } /** * 从字节数组中指定的位置读取一个integer类型的数据 * @param $bytes 字节数组 * @param $position 指定的开始位置 * @return 一个integer类型的数据 */ public static function bytestointeger($bytes, $position) { $val = 0; $val = $bytes[$position + 3] & 0xff; $val > 8 & 0xff); return $byt; } /** * 从字节数组中指定的位置读取一个short类型的数据。 * @param $bytes 字节数组 * @param $position 指定的开始位置 * @return 一个short类型的数据 */ public static function bytestoshort($bytes, $position) { $val = 0; $val = $bytes[$position + 1] & 0xff; $val = $val <p class="sycode"> </p> <p> </p> <p> socket.class.php socket赋值类</p> <p class="sycode"> </p><p class="sycode"> </p> <pre style="代码" class="precsshei"><?phpdefine ("CONNECTED", true);define("DISCONNECTED", false);/** * Socket class * * * @author Seven */Class Socket{ private static $instance; private $connection = null; private $connectionState = DISCONNECTED; private $defaultHost = "127.0.0.1"; private $defaultPort = 80; private $defaultTimeout = 10; public $debug = false; function __construct() { } /** * Singleton pattern. Returns the same instance to all callers * * @return Socket */ public static function singleton() { if (self::$instance == null || ! self::$instance instanceof Socket) { self::$instance = new Socket(); } return self::$instance; } /** * Connects to the socket with the given address and port * * @return void */ public function connect($serverHost=false, $serverPort=false, $timeOut=false) { if($serverHost == false) { $serverHost = $this->defaultHost; } if($serverPort == false) { $serverPort = $this->defaultPort; } $this->defaultHost = $serverHost; $this->defaultPort = $serverPort; if($timeOut == false) { $timeOut = $this->defaultTimeout; } $this->connection = socket_create(AF_INET,SOCK_STREAM,SOL_TCP); if(socket_connect($this->connection,$serverHost,$serverPort) == false) { $errorString = socket_strerror(socket_last_error($this->connection)); $this->_throwError("Connecting to {$serverHost}:{$serverPort} failed.<br>Reason: {$errorString}"); }else{ $this->_throwMsg("Socket connected!"); } $this->connectionState = CONNECTED; } /** * Disconnects from the server * * @return True on succes, false if the connection was already closed */ public function disconnect() { if($this->validateConnection()) { socket_close($this->connection); $this->connectionState = DISCONNECTED; $this->_throwMsg("Socket disconnected!"); return true; } return false; } /** * Sends a command to the server * * @return string Server response */ public function sendRequest($command) { if($this->validateConnection()) { $result = socket_write($this->connection,$command,strlen($command)); return $result; } $this->_throwError("Sending command \"{$command}\" failed.<br>Reason: Not connected"); } public function isConn() { return $this->connectionState; } public function getUnreadBytes() { $info = socket_get_status($this->connection); return $info['unread_bytes']; } public function getConnName(&$addr, &$port) { if ($this->validateConnection()) { socket_getsockname($this->connection,$addr,$port); } } /** * Gets the server response (not multilined) * * @return string Server response */ public function getResponse() { $read_set = array($this->connection); while (($events = socket_select($read_set, $write_set = NULL, $exception_set = NULL, 0)) !== false) { if ($events > 0) { foreach ($read_set as $so) { if (!is_resource($so)) { $this->_throwError("Receiving response from server failed.<br>Reason: Not connected"); return false; }elseif ( ( $ret = @socket_read($so,4096,PHP_BINARY_READ) ) == false){ $this->_throwError("Receiving response from server failed.<br>Reason: Not bytes to read"); return false; } return $ret; } } } return false; } public function waitForResponse() { if($this->validateConnection()) { return socket_read($this->connection, 2048); } $this->_throwError("Receiving response from server failed.<br>Reason: Not connected"); return false; } /** * Validates the connection state * * @return bool */ private function validateConnection() { return (is_resource($this->connection) && ($this->connectionState != DISCONNECTED)); } /** * Throws an error * * @return void */ private function _throwError($errorMessage) { echo "Socket error: " . $errorMessage; } /** * Throws an message * * @return void */ private function _throwMsg($msg) { if ($this->debug) { echo "Socket message: " . $msg . "\n\n"; } } /** * If there still was a connection alive, disconnect it */ public function __destruct() { $this->disconnect(); }}?>
PacketBase.class.php 打包类
<?php /** * PacketBase class * * 用以处理与c++服务端交互的sockets 包 * * 注意：不支持宽字符 * * @author Seven <seven@qoolu.com> * */class PacketBase extends ContentHandler{ private $head; private $params; private $opcode; /**************************construct***************************/ function __construct() { $num = func_num_args(); $args = func_get_args(); switch($num){ case 0: //do nothing 用来生成对象的 break; case 1: $this->__call('__construct1', $args); break; case 2: $this->__call('__construct2', $args); break; default: throw new Exception(); } } //无参数 public function __construct1($OPCODE) { $this->opcode = $OPCODE; $this->params = 0; } //有参数 public function __construct2($OPCODE, $PARAMS) { $this->opcode = $OPCODE; $this->params = $PARAMS; } //析构 function __destruct() { unset($this->head); unset($this->buf); } //打包 public function pack() { $head = $this->MakeHead($this->opcode,$this->params); return $head.$this->buf; } //解包 public function unpack($packet,$noHead = false) { $this->buf = $packet; if (!$noHead){ $recvHead = unpack("S2hd/I2pa",$packet); $SD = $recvHead[hd1];//SD $this->contentlen = $recvHead[hd2];//content len $this->opcode = $recvHead[pa1];//opcode $this->params = $recvHead[pa2];//params $this->pos = 12;//去除包头长度 if ($SD != 21316) { return false; } }else { $this->pos = 0; } return true; } public function GetOP() { if ($this->buf) { return $this->opcode; } return 0; } /************************private***************************/ //构造包头 private function MakeHead($opcode,$param) { return pack("SSII","SD",$this->TellPut(),$opcode,$param); } //用以模拟函数重载 private function __call($name, $arg) { return call_user_func_array(array($this, $name), $arg); } /***********************Uitl***************************/ //将16进制的op转成10进制 static function MakeOpcode($MAJOR_OP, $MINOR_OP) { return ((($MAJOR_OP & 0xffff) buf = ""; $this->contentlen = 0; $this->pos = 0; } function __destruct() { unset($this->buf); } public function PutInt($int) { $this->buf .= pack("i",(int)$int); } public function PutUTF($str) { $l = strlen($str); $this->buf .= pack("s",$l); $this->buf .= $str; } public function PutStr($str) { return $this->PutUTF($str); } public function TellPut() { return strlen($this->buf); } /*******************************************/ public function GetInt() { //$cont = substr($out,$l,4); $get = unpack("@".$this->pos."/i",$this->buf); if (is_int($get[1])){ $this->pos += 4; return $get[1]; } return 0; } public function GetShort() { $get = unpack("@".$this->pos."/S",$this->buf); if (is_int($get[1])){ $this->pos += 2; return $get[1]; } return 0; } public function GetUTF() { $getStrLen = $this->GetShort(); if ($getStrLen > 0) { $end = substr($this->buf,$this->pos,$getStrLen); $this->pos += $getStrLen; return $end; } return ''; } /***************************/ public function GetBuf() { return $this->buf; } public function SetBuf($strBuf) { $this->buf = $strBuf; } public function ResetBuf(){ $this->buf = ""; $this->contentlen = 0; $this->pos = 0; }}?>
格式
struct header{int type; // 消息类型int length; // 消息长度}struct MSG_Q2R2DB_PAYRESULT{int serialno; int openid; char payitem[512];int billno; int zoneid;int providetype; int coins; }调用的方法，另外需require两个php文件，一个是字节编码类，另外一个socket封装类，其实主要看字节编码类就可以了!
调用测试
public function index() { $socketAddr = "127.0.0.1"; $socketPort = "10000"; try { $selfPath = dirname ( __FILE__ ); require ($selfPath . "/../Tool/Bytes.php"); $bytes = new Bytes (); $payitem = "sdfasdfasdfsdfsdfsdfsdfsdfsdf"; $serialno = 1; $zoneid = 22; $openid = "CFF47C448D4AA2069361567B6F8299C2"; $billno = 1; $providetype = 1; $coins = 1; $headType = 10001; $headLength = 56 + intval(strlen($payitem )); $headType = $bytes->integerToBytes ( intval ( $headType ) ); $headLength = $bytes->integerToBytes ( intval ( $headLength ) ); $serialno = $bytes->integerToBytes ( intval ( $serialno ) ); $zoneid = $bytes->integerToBytes ( intval ( $zoneid ) ); $openid = $bytes->getBytes( $openid ); $payitem_len = $bytes->integerToBytes ( intval ( strlen($payitem) ) ); $payitem = $bytes->getBytes($payitem); $billno = $bytes->integerToBytes ( intval ( $billno ) ); $providetype = $bytes->integerToBytes ( intval ( $providetype ) ); $coins = $bytes->integerToBytes ( intval ( $coins ) ); $return_betys = array_merge ($headType , $headLength , $serialno , $zoneid , $openid,$payitem_len ,$payitem,$billno,$providetype,$coins); $msg = $bytes->toStr ($return_betys); $strLen = strlen($msg); $packet = pack("a{$strLen}", $msg); $pckLen = strlen($packet); $socket = Socket::singleton (); $socket->connect ( $socketAddr, $socketPort ); //连服务器 $sockResult = $socket->sendRequest ( $packet); // 将包发送给服务器 sleep ( 3 ); $socket->disconnect (); //关闭链接 } catch ( Exception $e ) { var_dump($e); $this->log_error("pay order send to server".$e->getMessage()); } }
![[웹 프런트엔드] Node.js 빠른 시작](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
