You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
63 lines
2.5 KiB
63 lines
2.5 KiB
/***************************************************************************
|
|
* 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));
|
|
}
|
|
|
|
}
|