void SingleCacheChecker::check(const QString& cache, const QString& index)
{
loadIndex(index);
Uint32 num_chunks = tor.getNumChunks();
File fptr;
if (!fptr.open(cache,"rb"))
{
throw Error(QString("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;
}
