public override int Read(byte[] buffer, long offset, int count)
{
int result = 0;
try
{
//if (offset == 5046272)
//{
// Array.Copy(testBytes, buffer, count);
//}
int firstIndex = Search(offset);
int i = firstIndex;
int bufferOffset = 0;
int bufferRemaining = buffer.Length;
do
{
FileInfo fileInfo = _fileInfoArray[i];
long fsOffset = i == firstIndex ? offset - fileInfo.Begin : 0;
int fsCount = Math.Min((int)(fileInfo.Length - fsOffset), bufferRemaining);
string path = fileInfo.Path;
FileStream fs = _fileStreamDict[path];
lock (fs)
{
fs.Seek(fsOffset, SeekOrigin.Begin);
int readCount = fs.Read(buffer, bufferOffset, fsCount);
Debug.Assert(readCount == fsCount);
//for (int j = 0; j < fsCount; j++)
//{
// if (offset == 73 * 65536 && j + bufferOffset >= 8269 + 16384 * 3 && j + bufferOffset < 8271+ 16384 * 3)
// {
// Console.WriteLine("{0}: {1}, {2}", _fileRanges[i].Path, j, buffer[bufferOffset + j]);
// }
//}
//fs.Flush();
}
i++;
bufferOffset += fsCount;
bufferRemaining -= fsCount;
} while (bufferRemaining != 0);
//lock (_fileStream)
//{
// _fileStream.Seek(offset, SeekOrigin.Begin);
// result = _fileStream.Read(buffer, 0, count);
//}
}
catch (ObjectDisposedException)
{
//Nothing to be done.
}
return(result);
}
public override void Write(byte[] buffer, long offset)
{
try
{
//Array.Copy(buffer, 0, Buffer, offset, buffer.Length);
int firstIndex = Search(offset);
int i = firstIndex;
int bufferOffset = 0;
int bufferRemaining = buffer.Length;
do
{
FileInfo fileInfo = _fileInfoArray[i];
long fsOffset = i == firstIndex ? offset - fileInfo.Begin : 0;
int fsCount = Math.Min((int)(fileInfo.Length - fsOffset), bufferRemaining);
string path = fileInfo.Path;
FileStream fs = _fileStreamDict[path];
lock (fs)
{
fs.Seek(fsOffset, SeekOrigin.Begin);
fs.Write(buffer, bufferOffset, fsCount);
fs.Flush();
//byte[] validBuffer = new byte[fsCount];
//fs.Seek(fsOffset, SeekOrigin.Begin);
//fs.Read(validBuffer, 0, fsCount);
//for (int j = 0; j < fsCount; j++)
//{
// if (offset == 73 * 65536 + 16384 * 3 && j + bufferOffset >= 8269 && j + bufferOffset < 8271)
// {
// Console.WriteLine("Write: {0}: {1}, {2}, {3}", _fileRanges[i].Path, j, buffer[bufferOffset + j], validBuffer[j]);
// }
// int x = 0;
// if (buffer[bufferOffset + j] != validBuffer[j])
// {
// x++;
// }
//}
}
i++;
bufferOffset += fsCount;
bufferRemaining -= fsCount;
} while (bufferRemaining != 0);
}
catch (ObjectDisposedException)
{
//Nothing to be done.
}
//byte[] readBuffer = new byte[buffer.Length];
//Read(readBuffer, offset, buffer.Length);
//for (int i = 0; i < buffer.Length; i++)
//{
// if (readBuffer[i] != buffer[i])
// {
// Console.WriteLine("{0}: {1}, {2}", i, readBuffer[i], buffer[i]);
// }
//}
}
