/// <summary>
/// Waits for data to become available for reading on the socket, then reads it into the main buffer for processing
/// </summary>
private void ReceiveData(Socket socket, ManualResetEvent abortEvent, ref HttpMessage message, EventHandler <HttpMessageProgressEventArgs> onProgress, object stateObject)
{
/*
* Data Receiving Phase
* This will receive data from the socket until we have enough data to process.
* */
// wait for some bytes to become available
int bytesAvailable = 0;
byte[] bytesReceived = new byte[0];
// if we don't have data left over from last time try and go with just that first
if (_previouslyReceivedBytes == null)
{
// ok there was nothing left over, so we're back to receiving again
bytesAvailable = HttpUtils.WaitForAvailableBytes(socket, abortEvent);
// receive as many bytes as we can (a chunk as it were)
bytesReceived = HttpUtils.ReceiveBytes(socket, bytesAvailable, MAX_BUFFER_LENGTH);
}
// if there was anything left over from last time
if (_previouslyReceivedBytes != null)
{
// combine the previous with this chunk
bytesReceived = HttpUtils.Combine(_previouslyReceivedBytes, bytesReceived);
Debug.WriteLine(string.Format("Retaining '{0}' bytes from last message.", bytesReceived.Length));
// reset the previous buffer
_previouslyReceivedBytes = null;
}
// if we have a previous message buffer
if (_receivedBytes != null)
{
// combine what we had, with what we just received
byte[] buffer = HttpUtils.Combine(_receivedBytes, bytesReceived);
_receivedBytes = buffer;
}
else
{
/*
* this is the first part of a new message
* */
// otherwise just start with the chunk
_receivedBytes = bytesReceived;
}
// if we have received the headers
if (this.IsPastHeaders())
{
// notify the callback that data has been received
this.OnProgress(onProgress, this, new HttpMessageProgressEventArgs(message, false, bytesReceived, _receivedBytes.Length, stateObject));
}
}