public ulong GetFreeChunk(ulong offset)
{
// Check all loaded chunks
foreach (KeyValuePair <ulong, Chunk> chk in loadedChunks)
{
if (!chk.Value.IsFull())
{
return(chk.Key);
}
}
// How about unloaded chunks?
foreach (KeyValuePair <ulong, ChunkMetadata> chkmd in chunkMetadata)
{
if (loadedChunks.ContainsKey(chkmd.Key))
{
continue;
}
if (chkmd.Value.TotalLength < settings.chunkSize)
{
return(chkmd.Key);
}
}
// Still nothing? New chunk!
ChunkMetadata nmd = new ChunkMetadata
{
chunkId = (ulong)chunkMetadata.Count,
files = new Dictionary <string, FileMetadata>()
};
chunkMetadata.Add((ulong)nmd.chunkId, nmd);
return((ulong)nmd.chunkId);
}
public void SaveChunkMetadata(ChunkMetadata metadata)
{
string content = JsonConvert.SerializeObject(metadata);
File.WriteAllText(settings.basepath + settings.metafile + "\\chunk-" + metadata.chunkId + ".meta", content);
}
