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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/log.h>
#include <util/file.h>
#include <util/error.h>
#include <util/array.h>
#include <util/functions.h>
#include <torrent/globals.h>
#include <torrent/torrent.h>
#include <torrent/chunkmanager.h>
#include "singlecachechecker.h"
using namespace bt;
namespace ktdebug
{
SingleCacheChecker::SingleCacheChecker(bt::Torrent& tor): CacheChecker(tor)
{}
SingleCacheChecker::~SingleCacheChecker()
{}
void SingleCacheChecker::check(const TQString& cache, const TQString& index)
{
loadIndex(index);
Uint32 num_chunks = tor.getNumChunks();
File fptr;
if (!fptr.open(cache,"rb"))
{
throw Error(TQString("Cannot open file : %1 : %2")
.arg(cache).arg( fptr.errorString()));
}
Uint32 num_ok = 0,num_not_ok = 0,num_not_downloaded = 0,extra_ok = 0;
Array<Uint8> buf((Uint32)tor.getChunkSize());
for (Uint32 i = 0;i < num_chunks;i++)
{
if (i % 100 == 0)
Out(SYS_GEN|LOG_DEBUG) << "Checked " << i << " chunks" << endl;
// Out() << "Chunk " << i << " : ";
if (!fptr.eof())
{
Uint32 size = i == num_chunks - 1 && tor.getFileLength() % tor.getChunkSize() > 0 ?
tor.getFileLength() % tor.getChunkSize() : (Uint32)tor.getChunkSize();
fptr.seek(File::BEGIN,(Int64)i*tor.getChunkSize());
fptr.read(buf,size);
SHA1Hash h = SHA1Hash::generate(buf,size);
bool ok = (h == tor.getHash(i));
if (ok)
{
if (downloaded_chunks.count(i) == 0)
{
extra_ok++;
extra_chunks.insert(i);
continue;
}
num_ok++;
// Out() << "OK" << endl;
}
else
{
if (downloaded_chunks.count(i) == 0)
{
num_not_downloaded++;
continue;
}
Out() << "Chunk " << i << " Failed :" << endl;
Out() << "\tShould be : " << tor.getHash(i).toString() << endl;
Out() << "\tIs : " << h.toString() << endl;
num_not_ok++;
failed_chunks.insert(i);
}
}
else
{
num_not_downloaded++;
//Out() << "Not Downloaded" << endl;
}
}
Out() << "Cache Check Summary" << endl;
Out() << "===================" << endl;
Out() << "Extra Chunks : " << extra_ok << endl;
Out() << "Chunks OK : " << num_ok << endl;
Out() << "Chunks Not Downloaded : " << num_not_downloaded << endl;
Out() << "Chunks Failed : " << num_not_ok << endl;
}
}
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