void RateTimer_Elapsed(object sender, ElapsedEventArgs e)
{
try {
RateSync.Wait(1);
BytesPerSecond = RateCount;
RateCount = 0;
} finally {
RateSync.Release(1);
}
if (BytesPerSecondUpdated != null)
{
BytesPerSecondUpdated(this, EventArgs.Empty);
}
}
/// <summary>
/// Send a whole file, given a prebuffer and a postbuffer, and if the 8 bytes length is sent before the real message.
/// </summary>
/// <param name="filepath"></param>
/// <param name="preBuffer"></param>
/// <param name="postBuffer"></param>
/// <param name="withLengthPrefixed"></param>
/// <param name="preBufferIsBeforeLength">Weither the prebuffer is placed before the length prefix (if applicable)</param>
/// <remarks>If withLengthPrefixed is true, it's important for the receiving end to know that he is receiving a longer a 8 bytes length prefix. For the receiving end and within this class, you can set ReadNextAsLong to true to do so.</remarks>
public void SendFile(string filepath, byte[] preBuffer = null, byte[] postBuffer = null, bool withLengthPrefixed = true, bool preBufferIsBeforeLength = false)
{
try {
WriteSync.Wait(1);
if (preBuffer != null && preBufferIsBeforeLength)
{
FinalStream.Write(preBuffer, 0, preBuffer.Length);
}
if (withLengthPrefixed)
{
FinalStream.Write(BitConverter.GetBytes(IPAddress.HostToNetworkOrder(new FileInfo(filepath).Length)), 0, 8);
}
if (preBuffer != null && preBufferIsBeforeLength == false)
{
FinalStream.Write(preBuffer, 0, preBuffer.Length);
}
var buffer = new byte[FILEBUFFERSIZE];
using (var filefs = new FileStream(filepath, FileMode.Open, FileAccess.Read, FileShare.Read)) {
int read = 0;
while (true)
{
read = filefs.Read(buffer, 0, FILEBUFFERSIZE);
if (read == 0)
{
break;
}
FinalStream.Write(buffer, 0, read);
}
}
if (postBuffer != null)
{
FinalStream.Write(postBuffer, 0, postBuffer.Length);
}
} finally {
WriteSync.Release(1);
}
}
