private void StartSend()
{
if (State == TransportState.Connected)
{
// prepare data to send (if any)
byte[] data = null;
if (outbox.CanDequeue)
{
byte[] temp = outbox.BeginDequeue();
if (temp != null)
{
using (MemoryStream mem = new MemoryStream())
{
// session ID
if (isFirstSend)
{
isFirstSend = false;
mem.WriteBytes(sessionID);
}
// payload size
mem.WriteShort((short)(temp.Length + PriorityHeaderSize));
// if encrypting, we need another stream
if (Core.Network.TransactionalEncryption != null)
{
byte[] toEncode = null;
using (MemoryStream enc = new MemoryStream())
{
// priority header (always priority 3 -> highest transactional one)
int msgLength = temp.Length;
enc.WriteByte((byte)((3 & 0x0F) | (((msgLength) & 0x000F) << 4)));
enc.WriteByte((byte)(msgLength >> 4));
// data
enc.WriteBytes(temp);
// encrypt
toEncode = enc.ToArray();
Core.Network.TransactionalEncryption.Encrypt(toEncode, toEncode.Length);
}
// writing encoded data
if (toEncode != null)
{
mem.WriteBytes(toEncode);
}
}
else
{
// priority header (always priority 3 -> highest transactional one)
int msgLength = temp.Length;
mem.WriteByte((byte)((3 & 0x0F) | (((msgLength) & 0x000F) << 4)));
mem.WriteByte((byte)(msgLength >> 4));
// data
mem.WriteBytes(temp);
}
data = mem.ToArray();
}
}
else if (isFirstSend)
{
// sending just session ID
isFirstSend = false;
data = (byte[])sessionID.Clone();
}
}
if (data != null)
{
socket.Send(endPoint, data);
}
}
}