/// <summary>
/// Receives file details.
/// </summary>
/// <param name="listenerState">TCP listener status.</param>
/// <returns>Transmitted file, with installed file details.</returns>
private TransmittedFile ReceiveFileDetails(ListenerState listenerState)
{
const int reservedСellSize = 8;
const int startIndex = 0;
long fileDetailsLength = BitConverter.ToInt64(listenerState.Buffer
.Take(reservedСellSize).ToArray(), startIndex);
byte[] fileDetails = listenerState.Buffer
.Skip(reservedСellSize).Take((int)fileDetailsLength).ToArray();
listenerState.NeedToReceivedBytes = BitConverter.ToInt64(listenerState.Buffer
.Skip(reservedСellSize + fileDetails.Length).ToArray(), startIndex);
return(new TransmittedFile(fileDetails));
}
/// <summary>
/// Accepts connections. Starts receiving a file.
/// </summary>
/// <param name="asyncResult">The result of the asynchronous operation.</param>
private void AcceptConnection(IAsyncResult asyncResult)
{
_allDone.Set();
var listener = (Socket)asyncResult.AsyncState;
var handler = listener.EndAccept(asyncResult);
var listenerState = new ListenerState
{
WorkSocket = handler
};
const int bufferOffset = 0;
handler.BeginReceive(listenerState.Buffer, bufferOffset,
ListenerState.BufferSize, SocketFlags.None,
new AsyncCallback(EndReceive), listenerState);
}
