private ArraySegment <byte> WrapFragment(SequenceState seqState, byte[] buffer, int offset, int length, ushort fragId, ushort fragNum, ushort fragCount, bool reliable)
{
var header = _headersPool.Get();
header.SetSessionId(seqState.SessionId);
if (reliable)
{
header.SetNeedAck();
}
ushort seqNum = seqState.NextSeqNum();
header.SetSeqNum(seqNum);
header.SetFrag(fragId, fragNum, fragCount);
seqState.AddAcks(header);
var fullBuffer = AttachHeader(buffer, offset, length, header);
if (reliable)
{
AddNotAcked(seqState, seqNum, fullBuffer);
}
_headersPool.Put(header);
return(fullBuffer);
}
private void SendConnectionResponse(IPEndPoint endPoint, SequenceState seqState)
{
var header = _headersPool.Get();
header.SetSessionId(seqState.SessionId);
header.SetConnect();
header.Length = (ushort)header.HeaderLength;
var buffer = _buffersPool.Get(header.HeaderLength);
header.WriteTo(buffer, 0);
var putBufferToPool = true;
try
{
SubSock.Send(endPoint, buffer, 0, header.HeaderLength, putBufferToPool);
}
catch (SocketException)
{
Close(endPoint, seqState);
}
_headersPool.Put(header);
}
private void AddNotAcked(SequenceState seqState, ushort seqNum, ArraySegment <byte> fullBuffer)
{
var notAcked = new NotAckedPacket();
notAcked.Buffer = fullBuffer.Array;
notAcked.Offset = fullBuffer.Offset;
notAcked.Length = fullBuffer.Count;
notAcked.SendTicks = Environment.TickCount;
notAcked.SeqNum = seqNum;
seqState.AddNotAcked(notAcked);
}
private void Close(IPEndPoint endPoint, SequenceState seqState)
{
_seqStates.Remove(endPoint);
_callbacks.OnDisconnect(endPoint, DisconnectReason.SocketClose);
_seqStatesPool.Put(seqState);
}