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/*
* Dibbler - a portable DHCPv6
*
* author: Krzysztof Wnuk <keczi@poczta.onet.pl>
* changes: Tomasz Mrugalski <thomson(at)klub.com.pl>
*
* released under GNU GPL v2 only licence
*
*/
#include <string.h>
#include "Portable.h"
#include "DHCPConst.h"
#include "OptIAPrefix.h"
TOptIAPrefix::TOptIAPrefix( char * &buf, int &n, TMsg* parent)
:TOpt(OPTION_IAPREFIX, parent), Valid_(false)
{
if (n >= 25) // was 24 for IA address
{
PrefLifetime_ = readUint32(buf);
buf += sizeof(uint32_t); n -= sizeof(uint32_t);
ValidLifetime_ = readUint32(buf);
buf += sizeof(uint32_t); n -= sizeof(uint32_t);
PrefixLength_ = *buf;// was ntohl(*((char*)buf));
buf+= 1;
n-=1;
Prefix_ = new TIPv6Addr(buf); // was buf
buf+= 16;
n-=16;
Valid_ = true;
}
}
TOptIAPrefix::TOptIAPrefix(SPtr<TIPv6Addr> prefix, char len, unsigned long pref,
unsigned long valid, TMsg* parent)
:TOpt(OPTION_IAPREFIX, parent), Prefix_(prefix), PrefLifetime_(pref),
ValidLifetime_(valid), PrefixLength_(len), Valid_(true) {
// we are not checking is prefix is a proper address type,
}
size_t TOptIAPrefix::getSize() {
return 29 + getSubOptSize();
}
void TOptIAPrefix::setPref(unsigned long pref) {
PrefLifetime_ = pref;
}
void TOptIAPrefix::setValid(unsigned long valid) {
ValidLifetime_ = valid;
}
void TOptIAPrefix::setPrefixLenght(char prefix_length){
PrefixLength_ = prefix_length;
}
char * TOptIAPrefix::storeSelf(char* buf)
{
buf = writeUint16(buf, OptType);
buf = writeUint16(buf, getSize()-4);
buf = writeUint32(buf, PrefLifetime_);
buf = writeUint32(buf, ValidLifetime_);
*(char*)buf = PrefixLength_;
buf+=1;
memcpy(buf, Prefix_->getAddr(), 16);
buf+=16;
buf=storeSubOpt(buf);
return buf;
}
SPtr<TIPv6Addr> TOptIAPrefix::getPrefix() const {
return Prefix_;
}
unsigned long TOptIAPrefix::getPref() const {
return PrefLifetime_;
}
unsigned long TOptIAPrefix::getValid() const {
return ValidLifetime_;
}
uint8_t TOptIAPrefix::getPrefixLength() const {
return PrefixLength_;
}
bool TOptIAPrefix::isValid() const {
return Valid_;
}
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