/// <summary>
/// Pick up Chunk count when Multipart ETag.
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
public static int GetETagChunkCount(this S3Object source)
{
if (source == null)
{
throw new ArgumentNullException();
}
var eTag = source.GetETag();
if (eTag.Length == 32)
{
return(0);
}
return(int.Parse(eTag.Split('-')[1]));
}
public S3FileHashStatus(SlimFileInfo?fileInfo, string fileHashHexString, int chunkSize, S3Object s3Object)
{
FileInfo = fileInfo;
FileHashHexString = fileHashHexString;
ChunkSize = chunkSize;
S3Object = s3Object;
S3Etag = S3Object?.GetETag();
IsFileMatchS3ETag = FileHashHexString == S3Etag;
// Local : Not exists.
// S3 : Exists
if (!FileInfo.HasValue && S3Object != null)
{
FileSyncStatus = FileSyncStatus.RemoteOnly;
}
// Local : Exsits
// S3 : Not exsits
else if (FileInfo.HasValue && S3Object == null)
{
FileSyncStatus = FileSyncStatus.LocalOnly;
}
// Unmatch Calculated Etag and S3Object ETag.
// Possible : Rewritten on Remote OR rewriteten on Local
else if (!IsFileMatchS3ETag)
{
FileSyncStatus = FileSyncStatus.DiffExists;
}
// Match Calculated Etag and S3Object ETag.
else if (IsFileMatchS3ETag)
{
FileSyncStatus = FileSyncStatus.Sync;
}
// Status is invalid. Not expected at all. (May be new AWS Implementation?)
else
{
FileSyncStatus = FileSyncStatus.Undefined;
}
}
