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/***************************************************************************
* Copyright (C) 2005 by Joris Guisson *
* joris.guisson@gmail.com *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include <util/error.h>
#include <util/functions.h>
#include "pack.h"
using namespace bt;
using namespace KNetwork;
namespace dht
{
void PackBucketEntry(const KBucketEntry & e,TQByteArray & ba,Uint32 off)
{
// first check size
if (off + 26 > ba.size())
throw bt::Error("Not enough room in buffer");
Uint8* data = (Uint8*)ba.data();
Uint8* ptr = data + off;
const KInetSocketAddress & addr = e.getAddress();
// copy ID, IP address and port into the buffer
memcpy(ptr,e.getID().getData(),20);
bt::WriteUint32(ptr,20,addr.ipAddress().IPv4Addr());
bt::WriteUint16(ptr,24,addr.port());
}
KBucketEntry UnpackBucketEntry(const TQByteArray & ba,Uint32 off)
{
if (off + 26 > ba.size())
throw bt::Error("Not enough room in buffer");
const Uint8* data = (Uint8*)ba.data();
const Uint8* ptr = data + off;
// get the port, ip and key);
Uint16 port = bt::ReadUint16(ptr,24);
Uint8 key[20];
memcpy(key,ptr,20);
return KBucketEntry(KInetSocketAddress(KIpAddress(ptr+20,4),port),dht::Key(key));
}
}
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