/// <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 MD5(long start, int length)
{
using (MemoryStream partialStream = new MemoryStream(length))
{
lock (streamLocker)
{
StreamTools.Write(_innerStream, start, length, partialStream, 8000, 1000, 500);
return(StreamTools.MD5(partialStream));
}
}
}
/// <summary>
/// Return the MD5 hash of the provided memory stream as a string. Stream position will be equal to the length of stream on
/// return, this ensures the MD5 is consistent.
/// </summary>
/// <param name="streamToMD5">The bytes which will be checksummed</param>
/// <param name="start">The start position in the stream</param>
/// <param name="length">The length in the stream to MD5</param>
/// <returns>The MD5 checksum as a string</returns>
public static string MD5(Stream streamToMD5, long start, int length)
{
if (streamToMD5 == null)
{
throw new ArgumentNullException("streamToMD5", "Provided Stream cannot be null.");
}
using (MemoryStream stream = new MemoryStream(length))
{
StreamTools.Write(streamToMD5, start, length, stream, 8000, 100, 2000);
return(MD5(stream));
}
}
/// <inheritdoc />
protected override double[] SendStreams(StreamTools.StreamSendWrapper[] streamsToSend, double maxSendTimePerKB, long totalBytesToSend)
{
double[] timings = new double[streamsToSend.Length];
Stream sendingStream = btClientNetworkStream;
for (int i = 0; i < streamsToSend.Length; i++)
{
if (streamsToSend[i].Length > 0)
{
//Write each stream
timings[i] = streamsToSend[i].ThreadSafeStream.CopyTo(sendingStream, streamsToSend[i].Start, streamsToSend[i].Length, NetworkComms.SendBufferSizeBytes, maxSendTimePerKB, MinSendTimeoutMS);
streamsToSend[i].ThreadSafeStream.Dispose();
}
else
timings[i] = 0;
}
if (!btClient.Connected)
{
if (NetworkComms.LoggingEnabled) NetworkComms.Logger.Error("BTClient is not marked as connected after write to networkStream. Possibly indicates a dropped connection.");
throw new CommunicationException("BTClient is not marked as connected after write to networkStream. Possibly indicates a dropped connection.");
}
return timings;
}
/// <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(StreamTools.Write(_innerStream, startPosition, length, destinationStream, writeBufferSize, timeoutMSPerKBWrite, minTimeoutMS));
}
/// <summary>
/// Return the MD5 hash of the current <see cref="ThreadSafeStream"/> as a string
/// </summary>
/// <returns></returns>
public string MD5()
{
lock (streamLocker)
return(StreamTools.MD5(_innerStream));
}
/// <inheritdoc />
protected override double[] SendStreams(StreamTools.StreamSendWrapper[] streamsToSend, double maxSendTimePerKB, long totalBytesToSend)
{
double[] timings = new double[streamsToSend.Length];
Stream sendingStream;
#if WINDOWS_PHONE || NETFX_CORE
sendingStream = socket.OutputStream.AsStreamForWrite();
#else
sendingStream = connectionStream;
#endif
for(int i=0; i<streamsToSend.Length; i++)
{
if (streamsToSend[i].Length > 0)
{
//Write each stream
timings[i] = streamsToSend[i].ThreadSafeStream.CopyTo(sendingStream, streamsToSend[i].Start, streamsToSend[i].Length, NetworkComms.SendBufferSizeBytes, maxSendTimePerKB, MinSendTimeoutMS);
streamsToSend[i].ThreadSafeStream.Dispose();
}
else
timings[i] = 0;
}
#if WINDOWS_PHONE || NETFX_CORE
sendingStream.Flush();
#endif
#if !WINDOWS_PHONE && !NETFX_CORE
if (!tcpClient.Connected)
{
if (NetworkComms.LoggingEnabled) NetworkComms.Logger.Error("TCPClient is not marked as connected after write to networkStream. Possibly indicates a dropped connection.");
throw new CommunicationException("TCPClient is not marked as connected after write to networkStream. Possibly indicates a dropped connection.");
}
#endif
return timings;
}
