void ChunkManager::recreateMissingFiles()
{
createFiles();
if (tor.isMultiFile())
{
// loop over all files and mark all chunks of all missing files as
// not downloaded
for (Uint32 i = 0;i < tor.getNumFiles();i++)
{
TorrentFile & tf = tor.getFile(i);
if (!tf.isMissing())
continue;
for (Uint32 j = tf.getFirstChunk(); j <= tf.getLastChunk();j++)
resetChunk(j);
tf.setMissing(false);
}
}
else
{
// reset all chunks in case of single file torrent
for (Uint32 j = 0; j < tor.getNumChunks();j++)
resetChunk(j);
}
d->saveIndexFile();
d->recalc_chunks_left = true;
chunksLeft();
}
void ChunkManager::dataChecked(const BitSet & ok_chunks)
{
// go over all chunks at check each of them
for (Uint32 i = 0;i < chunks.count();i++)
{
Chunk* c = chunks[i];
if (ok_chunks.get(i) && !bitset.get(i))
{
// We think we do not hae a chunk, but we do have it
bitset.set(i,true);
todo.set(i,false);
// the chunk must be on disk
c->setStatus(Chunk::ON_DISK);
tor.updateFilePercentage(i,bitset);
}
else if (!ok_chunks.get(i) && bitset.get(i))
{
Out(SYS_DIO|LOG_IMPORTANT) << "Previously OK chunk " << i << " is corrupt !!!!!" << endl;
// We think we have a chunk, but we don't
bitset.set(i,false);
todo.set(i,!only_seed_chunks.get(i) && !excluded_chunks.get(i));
if (c->getStatus() == Chunk::ON_DISK)
{
c->setStatus(Chunk::NOT_DOWNLOADED);
tor.updateFilePercentage(i,bitset);
}
else if (c->getStatus() == Chunk::MMAPPED || c->getStatus() == Chunk::BUFFERED)
{
resetChunk(i);
}
else
{
tor.updateFilePercentage(i,bitset);
}
}
}
recalc_chunks_left = true;
try
{
saveIndexFile();
}
catch (bt::Error & err)
{
Out(SYS_DIO|LOG_DEBUG) << "Failed to save index file : " << err.toString() << endl;
}
catch (...)
{
Out(SYS_DIO|LOG_DEBUG) << "Failed to save index file : unkown exception" << endl;
}
chunksLeft();
corrupted_count = 0;
}
void ChunkManager::dataChecked(const bt::BitSet& ok_chunks, bt::Uint32 from, bt::Uint32 to)
{
// go over all chunks at check each of them
for (Uint32 i = from;i < (Uint32)d->chunks.size() && i <= to;i++)
{
Chunk* c = d->chunks[i];
if (ok_chunks.get(i) && !bitset.get(i))
{
// We think we do not have a chunk, but we do have it
bitset.set(i,true);
d->todo.set(i,false);
// the chunk must be on disk
c->setStatus(Chunk::ON_DISK);
tor.updateFilePercentage(i,*this);
}
else if (!ok_chunks.get(i) && bitset.get(i))
{
Out(SYS_DIO|LOG_IMPORTANT) << "Previously OK chunk " << i << " is corrupt !!!!!" << endl;
// We think we have a chunk, but we don't
bitset.set(i,false);
d->todo.set(i,!only_seed_chunks.get(i) && !excluded_chunks.get(i));
if (c->getStatus() == Chunk::ON_DISK)
{
c->setStatus(Chunk::NOT_DOWNLOADED);
tor.updateFilePercentage(i,*this);
}
else
{
tor.updateFilePercentage(i,*this);
}
}
}
d->recalc_chunks_left = true;
try
{
d->saveIndexFile();
}
catch (bt::Error & err)
{
Out(SYS_DIO|LOG_DEBUG) << "Failed to save index file : " << err.toString() << endl;
}
catch (...)
{
Out(SYS_DIO|LOG_DEBUG) << "Failed to save index file : unknown exception" << endl;
}
chunksLeft();
}
void ChunkManager::dndMissingFiles()
{
// createFiles(); // create them again
// loop over all files and mark all chunks of all missing files as
// not downloaded
for (Uint32 i = 0;i < tor.getNumFiles();i++)
{
TorrentFile & tf = tor.getFile(i);
if (!tf.isMissing())
continue;
for (Uint32 j = tf.getFirstChunk(); j <= tf.getLastChunk();j++)
resetChunk(j);
tf.setMissing(false);
tf.setDoNotDownload(true); // set do not download
}
d->savePriorityInfo();
d->saveIndexFile();
d->recalc_chunks_left = true;
chunksLeft();
}
void ChunkManager::markExistingFilesAsDownloaded()
{
if (tor.isMultiFile())
{
// loop over all files and mark all chunks of all existing files as
// downloaded
for (Uint32 i = 0;i < tor.getNumFiles();i++)
{
TorrentFile & tf = tor.getFile(i);
if (!tf.isPreExistingFile())
continue;
// all the chunks in the middle of the file are OK
for (Uint32 j = tf.getFirstChunk() + 1;j < tf.getLastChunk();j++)
{
Chunk* c = d->chunks[j];
c->setStatus(Chunk::ON_DISK);
bitset.set(j,true);
d->todo.set(j,false);
tor.updateFilePercentage(j,*this);
}
// all files of the first chunk must be preexisting
if (d->allFilesExistOfChunk(tf.getFirstChunk()))
{
Uint32 idx = tf.getFirstChunk();
Chunk* c = d->chunks[idx];
c->setStatus(Chunk::ON_DISK);
bitset.set(idx,true);
d->todo.set(idx,false);
tor.updateFilePercentage(idx,*this);
}
// all files of the last chunk must be preexisting
if (d->allFilesExistOfChunk(tf.getLastChunk()))
{
Uint32 idx = tf.getLastChunk();
Chunk* c = d->chunks[idx];
c->setStatus(Chunk::ON_DISK);
bitset.set(idx,true);
d->todo.set(idx,false);
tor.updateFilePercentage(idx,*this);
}
}
}
else if (d->cache->hasExistingFiles())
{
for (Uint32 i = 0;i < d->chunks.size();i++)
{
Chunk* c = d->chunks[i];
c->setStatus(Chunk::ON_DISK);
bitset.set(i,true);
d->todo.set(i,false);
tor.updateFilePercentage(i,*this);
}
}
d->recalc_chunks_left = true;
try
{
d->saveIndexFile();
}
catch (bt::Error & err)
{
Out(SYS_DIO|LOG_DEBUG) << "Failed to save index file : " << err.toString() << endl;
}
catch (...)
{
Out(SYS_DIO|LOG_DEBUG) << "Failed to save index file : unknown exception" << endl;
}
chunksLeft();
}
