QList< QSharedPointer<IChunk> > FileManager::getAllChunks(const Protos::Common::Entry& localEntry, const Common::Hashes& hashes) const
{
for (QListIterator<Common::Hash> h(hashes); h.hasNext();)
{
// Chunks from different files, usually one chunk.
QList< QSharedPointer<Chunk> > chunks = this->chunks.values(h.next());
for (QListIterator< QSharedPointer<Chunk> > i(chunks); i.hasNext();)
{
QSharedPointer<Chunk> chunk = i.next();
if (chunk->matchesEntry(localEntry)) // The name, the path and the size of the file are the same?
{
// We verify that all hashes of all chunks match the given hashes. If it's not the case, the files are not the same.
QList< QSharedPointer<Chunk> > allChunks = chunk->getOtherChunks();
if (allChunks.size() != hashes.size())
return QList< QSharedPointer<IChunk> >();
QList< QSharedPointer<IChunk> > ret;
for (int j = 0; j < allChunks.size(); j++)
{
if (allChunks[j]->getHash() != hashes[j]) // Only one hashes doesn't match -> all the file doesn't match.
return QList< QSharedPointer<IChunk> >();
ret << allChunks[j];
}
return ret;
}
}
}
return QList< QSharedPointer<IChunk> >();
}
/**
* The number of given hashes may not match the total number of chunk.
*/
void File::setHashes(const Common::Hashes& hashes)
{
this->chunks.reserve(this->getNbChunks());
for (int i = 0; i < this->getNbChunks(); i++)
{
int chunkKnownBytes = !this->isComplete() ? 0 : i == this->getNbChunks() - 1 && this->getSize() % Chunk::CHUNK_SIZE != 0 ? this->getSize() % Chunk::CHUNK_SIZE : Chunk::CHUNK_SIZE;
if (i < hashes.size() && !hashes[i].isNull())
{
QSharedPointer<Chunk> chunk(new Chunk(this, i, chunkKnownBytes, hashes[i]));
this->chunks << chunk;
if (chunk->isComplete())
this->cache->onChunkHashKnown(chunk);
}
else
// If there is too few hashes then null hashes are added.
this->chunks << QSharedPointer<Chunk>(new Chunk(this, i, chunkKnownBytes));
}
}