private void ProcessNextBatch(FileChunck batch)
{
if (batch == null)
{
#pragma warning disable 618
throw new Exception("missing - batch is null");//throw new GridFSChunkException(_idAsBsonValue, _nextChunkNumber, "missing");
#pragma warning restore
}
var previousBatch = _chunck;
_chunck = batch;
if (previousBatch != null)
{
_batchPosition += FileInfo.ChunkSize;
}
if (_chunck.N == _lastChunkNumber + 1 && _chunck.Data.Length == 0)
{
return;
}
var n = _chunck.N;
var bytes = _chunck.Data;
if (n != _nextChunkNumber)
{
#pragma warning disable 618
throw new Exception($"missing the chunck {n} on file {FileInfo.Id}");//throw new GridFSChunkException(_idAsBsonValue, _nextChunkNumber, "missing");
#pragma warning restore
}
_nextChunkNumber++;
var expectedChunkSize = n == _lastChunkNumber ? _lastChunkSize : FileInfo.ChunkSize;
if (bytes.Length != expectedChunkSize)
{
#pragma warning disable 618
throw new Exception("the wrong size");//throw new GridFSChunkException(_idAsBsonValue, _nextChunkNumber, "the wrong size");
#pragma warning restore
}
if (_checkMD5)
{
_md5.AppendData(bytes, 0, bytes.Length);
}
}
private IEnumerable <FileChunck> CreateWriteBatchChunkDocuments()
{
var chunkDocuments = new List <FileChunck>();
var n = (int)(_batchPosition / _chunkSizeBytes);
foreach (var chunk in _batch)
{
var chunkDocument = new FileChunck
{
Id = Guid.NewGuid(),
FilesId = _id,
N = n++,
Data = chunk
};
chunkDocuments.Add(chunkDocument);
_batchPosition += chunk.Length;
//_md5.AppendData(chunk, 0, chunk.Length); //TODO CALCULATE THE MD5 or HASH
}
return(chunkDocuments);
}
