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<?php
/**
* License Information:
*
* Net_DNS: A resolver library for PHP
* Copyright (c) 2002-2003 Eric Kilfoil eric@ypass.net
* Maintainers:
* Marco Kaiser <bate@php.net>
* Florian Anderiasch <fa@php.net>
*
* PHP versions 4 and 5
*
* LICENSE: This source file is subject to version 3.01 of the PHP license
* that is available through the world-wide-web at the following URI:
* http://www.php.net/license/3_01.txt. If you did not receive a copy of
* the PHP License and are unable to obtain it through the web, please
* send a note to license@php.net so we can mail you a copy immediately.
*/
/* Net_DNS_RR_MX definition {{{ */
/**
* A representation of a resource record of type <b>MX</b>
*
* @package Net_DNS
*/
class Net_DNS_RR_MX extends Net_DNS_RR
{
/* class variable definitions {{{ */
var $name;
var $type;
var $class;
var $ttl;
var $rdlength;
var $rdata;
var $preference;
var $exchange;
/* }}} */
/* class constructor - RR(&$rro, $data, $offset = '') {{{ */
function Net_DNS_RR_MX(&$rro, $data, $offset = '')
{
$this->name = $rro->name;
$this->type = $rro->type;
$this->class = $rro->class;
$this->ttl = $rro->ttl;
$this->rdlength = $rro->rdlength;
$this->rdata = $rro->rdata;
if ($offset) {
if ($this->rdlength > 0) {
$a = unpack("@$offset/npreference", $data);
$offset += 2;
$packet = new Net_DNS_Packet();
list($exchange, $offset) = $packet->dn_expand($data, $offset);
$this->preference = $a['preference'];
$this->exchange = $exchange;
}
} elseif (is_array($data)) {
$this->preference = $data['preference'];
$this->exchange = $data['exchange'];
} else {
preg_match("/([0-9]+)[ \t]+(.+)[ \t]*$/", $data, $regs);
$this->preference = $regs[1];
$this->exchange = preg_replace('/(.*)\.$/', '\\1', $regs[2]);
}
}
/* }}} */
/* Net_DNS_RR_MX::rdatastr() {{{ */
function rdatastr()
{
if (preg_match('/^[0-9]+$/', $this->preference)) {
return $this->preference . ' ' . $this->exchange . '.';
}
return '; no data';
}
/* }}} */
/* Net_DNS_RR_MX::rr_rdata($packet, $offset) {{{ */
function rr_rdata($packet, $offset)
{
if (preg_match('/^[0-9]+$/', $this->preference)) {
$rdata = pack('n', $this->preference);
$rdata .= $packet->dn_comp($this->exchange, $offset + strlen($rdata));
return $rdata;
}
return null;
}
/* }}} */
}
/* }}} */
/* VIM settings {{{
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* soft-stop-width: 4
* c indent on
* End:
* vim600: sw=4 ts=4 sts=4 cindent fdm=marker et
* vim<600: sw=4 ts=4
* }}} */
?>
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