private bool CheckPiece(int pieceIndex)
{
bool result;
if (this._pieceCheckedReusltsDictionary.TryGetValue(pieceIndex, out result))
{
return(result);
}
ulong startPos = (ulong)pieceIndex * (ulong)this._torrent.PieceLength;
ulong pos = 0;
ulong writenLength = 0;
var filePieces = new List <FileLinkPiece>();
foreach (TorrentFileLink fileLink in this._torrentFileLinks)
{
if (pos + (ulong)fileLink.TorrentFile.Length >= startPos)
{
ulong readPos = startPos - pos;
ulong readLength = (ulong)fileLink.TorrentFile.Length - readPos;
if (writenLength + readLength > (ulong)this._torrent.PieceLength)
{
readLength = (ulong)this._torrent.PieceLength - writenLength;
}
var filePiece = new FileLinkPiece
{
FileLink = fileLink,
ReadLength = readLength,
StartPos = readPos
};
filePieces.Add(filePiece);
writenLength += readLength;
startPos += readLength;
if (writenLength == (ulong)this._torrent.PieceLength)
{
break;
}
}
pos += (ulong)fileLink.TorrentFile.Length;
}
var hash = new HashFileLinkPieces(this._torrent, pieceIndex, filePieces);
string pattern = hash.Run();
if (string.IsNullOrEmpty(pattern))
{
foreach (FileLinkPiece piece in filePieces)
{
if (piece.FileLink.State == LinkState.NeedConfirm)
{
piece.FileLink.State = LinkState.Fail;
}
}
this._pieceCheckedReusltsDictionary.Add(pieceIndex, false);
return(false);
}
for (int i = 0; i < filePieces.Count; i++)
{
if (filePieces[i].FileLink.State == LinkState.NeedConfirm)
{
filePieces[i].FileLink.LinkedFsFileIndex = int.Parse(pattern.Split(',')[i]);
filePieces[i].FileLink.LinkedFsFileInfo.Located = true;
filePieces[i].FileLink.State = LinkState.Located;
}
}
this._pieceCheckedReusltsDictionary.Add(pieceIndex, true);
return(true);
}
private bool CheckPiece(int pieceIndex)
{
bool result;
if (this._pieceCheckedReusltsDictionary.TryGetValue(pieceIndex, out result))
{
return result;
}
ulong startPos = (ulong)pieceIndex * (ulong)this._torrent.PieceLength;
ulong pos = 0;
ulong writenLength = 0;
var filePieces = new List<FileLinkPiece>();
foreach (TorrentFileLink fileLink in this._torrentFileLinks)
{
if (pos + (ulong)fileLink.TorrentFile.Length >= startPos)
{
ulong readPos = startPos - pos;
ulong readLength = (ulong)fileLink.TorrentFile.Length - readPos;
if (writenLength + readLength > (ulong)this._torrent.PieceLength)
{
readLength = (ulong)this._torrent.PieceLength - writenLength;
}
var filePiece = new FileLinkPiece
{
FileLink = fileLink,
ReadLength = readLength,
StartPos = readPos
};
filePieces.Add(filePiece);
writenLength += readLength;
startPos += readLength;
if (writenLength == (ulong)this._torrent.PieceLength)
{
break;
}
}
pos += (ulong)fileLink.TorrentFile.Length;
}
var hash = new HashFileLinkPieces(this._torrent, pieceIndex, filePieces);
string pattern = hash.Run();
if (string.IsNullOrEmpty(pattern))
{
foreach (FileLinkPiece piece in filePieces)
{
if (piece.FileLink.State == LinkState.NeedConfirm)
{
piece.FileLink.State = LinkState.Fail;
}
}
this._pieceCheckedReusltsDictionary.Add(pieceIndex, false);
return false;
}
for (int i = 0; i < filePieces.Count; i++)
{
if (filePieces[i].FileLink.State == LinkState.NeedConfirm)
{
filePieces[i].FileLink.LinkedFsFileIndex = int.Parse(pattern.Split(',')[i]);
filePieces[i].FileLink.LinkedFsFileInfo.Located = true;
filePieces[i].FileLink.State = LinkState.Located;
}
}
this._pieceCheckedReusltsDictionary.Add(pieceIndex, true);
return true;
}