/**
* builds a new Net_DNS2_Packet_Response object
*
* @param string $data binary DNS packet
* @param integer $size the length of the DNS packet
*
* @return boolean
* @throws Net_DNS2_Exception
* @access public
*
*/
public function set($data, $size)
{
//
// store the full packet
//
$this->rdata = $data;
$this->rdlength = $size;
//
// parse the header
//
// we don't bother checking the size earlier, because the first thing the
// header class does, is check the size and throw and exception if it's
// invalid.
//
$this->header = new Net_DNS2_Header($this);
//
// if the truncation bit is set, then just return right here, because the
// rest of the packet is probably empty; and there's no point in processing
// anything else.
//
// we also don't need to worry about checking to see if the the header is
// null or not, since the Net_DNS2_Header() constructor will throw an
// exception if the packet is invalid.
//
if ($this->header->tc == 1) {
return false;
}
//
// parse the questions
//
for ($x = 0; $x < $this->header->qdcount; ++$x) {
$this->question[$x] = new Net_DNS2_Question($this);
}
//
// parse the answers
//
for ($x = 0; $x < $this->header->ancount; ++$x) {
$o = Net_DNS2_RR::parse($this);
if (!is_null($o)) {
$this->answer[] = $o;
}
}
//
// parse the authority section
//
for ($x = 0; $x < $this->header->nscount; ++$x) {
$o = Net_DNS2_RR::parse($this);
if (!is_null($o)) {
$this->authority[] = $o;
}
}
//
// parse the additional section
//
for ($x = 0; $x < $this->header->arcount; ++$x) {
$o = Net_DNS2_RR::parse($this);
if (!is_null($o)) {
$this->additional[] = $o;
}
}
return true;
}
/**
* builds a new Net_DNS2_Packet_Response object
*
* @param string $data binary DNS packet
* @param integer $size the length of the DNS packet
*
* @return boolean
* @throws Net_DNS2_Exception
* @access public
*
*/
public function set($data, $size)
{
//
// store the full packet
//
$this->rdata = $data;
$this->rdlength = $size;
//
// parse the header
//
// we don't bother checking the size earlier, because the first thing the
// header class does, it check the size and throw and exception if it's
// invalid.
//
$this->header = new Net_DNS2_Header($this);
//
// parse the questions
//
for ($x = 0; $x < $this->header->qdcount; ++$x) {
$this->question[$x] = new Net_DNS2_Question($this);
}
//
// parse the answers
//
for ($x = 0; $x < $this->header->ancount; ++$x) {
$o = Net_DNS2_RR::parse($this);
if (!is_null($o)) {
$this->answer[] = $o;
}
}
//
// parse the authority section
//
for ($x = 0; $x < $this->header->nscount; ++$x) {
$o = Net_DNS2_RR::parse($this);
if (!is_null($o)) {
$this->authority[] = $o;
}
}
//
// parse the additional section
//
for ($x = 0; $x < $this->header->arcount; ++$x) {
$o = Net_DNS2_RR::parse($this);
if (!is_null($o)) {
$this->additional[] = $o;
}
}
return true;
}
