/// <summary>
/// Return the MD5 hash of part of the current <see cref="ThreadSafeStream"/> as a string
/// </summary>
/// <param name="start">The start position in the stream</param>
/// <param name="length">The length of stream to MD5</param>
/// <returns></returns>
public string MD5CheckSum(long start, int length)
{
using (MemoryStream partialStream = new MemoryStream(length))
{
lock (streamLocker)
{
StreamWriteWithTimeout.Write(stream, start, length, partialStream, 8000, 1000, 500);
return(MD5Stream(partialStream));
}
}
}
/// <summary>
/// Copies data specified by start and length properties from internal stream to the provided stream.
/// </summary>
/// <param name="destinationStream">The destination stream to write to</param>
/// <param name="startPosition"></param>
/// <param name="length"></param>
/// <param name="writeBufferSize">The buffer size to use for copying stream contents</param>
/// <param name="minTimeoutMS">The minimum time allowed for any sized copy</param>
/// <param name="timeoutMSPerKBWrite">The timouts in milliseconds per KB to write</param>
/// <returns>The average time in milliseconds per byte written</returns>
public double CopyTo(Stream destinationStream, long startPosition, long length, int writeBufferSize, double timeoutMSPerKBWrite = 1000, int minTimeoutMS = 500)
{
lock (streamLocker)
return(StreamWriteWithTimeout.Write(stream, startPosition, length, destinationStream, writeBufferSize, timeoutMSPerKBWrite, minTimeoutMS));
}
