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