[thrift]用于php服务端的header系列函数

<?php
/**
 * 用于rpc服务端的header系列函数
 * @author flynetcn
 */
class Utils_Header
{
	private static $headers = array();
	private static $cookies = array();
	private static $sessionOpened = false;

	public static function header($string, $replace=true, $http_response_code=null)
	{
		if (PHP_SAPI == 'cli') {
			if ($http_response_code) {
				self::$headers[] = array($string, $replace, $http_response_code);
			} else {
				self::$headers[] = array($string, $replace);
			}
		}
		if ($http_response_code) {
			header($string, $replace, $http_response_code);
		} else {
			header($string, $replace);
		}
	}

	public static function session_start()
	{
		if (PHP_SAPI == 'cli' && !self::$sessionOpened) {
			//模拟session机制
			if (!$_COOKIE[session_name()]) {
				$ip_prefix = isset($_SERVER['HTTP_X_FORWARDED_FOR']) ? ip2long($_SERVER['HTTP_X_FORWARDED_FOR']) : rand(1, 10000);
				$pid_prefix = posix_getpid();
				$sessid = uniqid(strval(dechex($ip_prefix)).strval(dechex($pid_prefix)));
				$_COOKIE[session_name()] = $sessid;
				session_start();
				self::$cookies[] = array(session_name(), $sessid, 0, '/', DOMAIN_COOKIE);
			} else {
				session_start();
			}
			self::$sessionOpened = true;
			return true;
		} else {
			return session_start();
		}
	}

	public static function session_write_close()
	{
		if (self::$sessionOpened) {
			self::$sessionOpened = false;
		}
		$_SESSION = array();
		session_write_close();
	}

	public static function setcookie($name, $value='', $expire=0, $path='', $domain='', $secure=false, $httponly=false)
	{
		if (PHP_SAPI == 'cli') {
			self::$cookies[] = func_get_args();
		}
		return call_user_func_array('setcookie', func_get_args());
	}

	public static function getSendCookies()
	{
		return self::$cookies;
	}

	public static function getSendHeaders()
	{
		return self::$headers;
	}

	public static function cleanSendCookies()
	{
		self::$cookies = array();
	}

	public static function cleanSendHeaders()
	{
		self::$headers = array();
	}
}