private void SendCode(byte baudotCode, ref ShiftStates shiftState)
{
byte[] codes = CodeManager.BaudotCodeToBaudotWithShift(baudotCode, shiftState, ref shiftState);
if (EyeballCharActive)
{
byte[] buffer = new byte[0];
for (int i = 0; i < codes.Length; i++)
{
byte[] newCodes = _eyeballChar.GetPunchCodes(codes[i], shiftState);
buffer = Helper.AddBytes(buffer, newCodes);
}
codes = buffer;
}
BaudotSendRecv?.Invoke(codes);
if (Local)
{
Update?.Invoke();
return;
}
if (!IsConnected)
{
return;
}
if (IdleTimerMs >= 25000)
{ // wake up remote machine with LTRS
EnqueueSend(new byte[] { CodeManager.BAU_LTRS });
EnqueueSend(new byte[] { CodeManager.BAU_LTRS });
EnqueueSend(new byte[] { CodeManager.BAU_LTRS });
if (shiftState == ShiftStates.Figs)
{
EnqueueSend(new byte[] { CodeManager.BAU_FIGS });
}
}
EnqueueSend(codes);
Update?.Invoke();
}
private void DecodePacket(ItelexPacket packet)
{
/*
* if (packet.CommandType != ItelexCommands.Ack)
* {
* //Logging.Instance.Log(LogTypes.Debug, TAG, nameof(DecodePacket),
* // $"Recv packet {packet.CommandType} {packet.Command:X02} {packet.GetDebugData()}");
* Logging.Instance.Debug(TAG, nameof(DecodePacket),
* $"Recv packet {packet.CommandType} {packet.GetDebugPacket()}");
* }
* if (packet.CommandType != ItelexCommands.Heartbeat && packet.CommandType != ItelexCommands.Ack)
* {
* Debug.WriteLine($"Recv packet {packet.CommandType} {packet.GetDebugPacket()}");
* }
*/
switch ((ItelexCommands)packet.Command)
{
case ItelexCommands.Heartbeat:
Logging.Instance.Debug(TAG, nameof(DecodePacket), $"recv heartbeat {packet.GetDebugPacket()}");
break;
case ItelexCommands.DirectDial:
Logging.Instance.Info(TAG, nameof(DecodePacket), $"recv direct dial cmd {packet.GetDebugPacket()}, number={packet.Data[0]}");
int directDial = packet.Data[0];
Message?.Invoke($"received direct dial cmd {directDial}");
if (directDial == _config.IncomingExtensionNumber)
{
ConnectInit();
}
else
{ // not connected
byte[] data = Encoding.ASCII.GetBytes("nc");
SendCmd(ItelexCommands.Reject, data);
Message?.Invoke($"send reject ncc");
Disconnect();
}
break;
case ItelexCommands.BaudotData:
if (packet.Len > 0)
{
Logging.Instance.AppendBinary(packet.Data, Logging.BinaryModes.Recv);
string asciiStr = CodeManager.BaudotStringToAscii(packet.Data, ref _shiftState, _config.CodeSet, CodeManager.SendRecv.Recv);
Logging.Instance.Debug(TAG, nameof(DecodePacket), $"recv baudot data {packet.Len} \"{CodeManager.AsciiToDebugStr(asciiStr)}\"");
AddReceivedCharCount(packet.Data.Length);
_lastSendRecvIdleMs = Helper.GetTicksMs();
Received?.Invoke(asciiStr);
BaudotSendRecv?.Invoke(packet.Data);
Update?.Invoke();
}
break;
case ItelexCommands.End:
Logging.Instance.Info(TAG, nameof(DecodePacket), $"recv end cmd {packet.GetDebugPacket()}");
Disconnect();
break;
case ItelexCommands.Reject:
string reason = Encoding.ASCII.GetString(packet.Data, 0, packet.Data.Length);
Logging.Instance.Info(TAG, nameof(DecodePacket), $"recv reject cmd {packet.GetDebugPacket()}, reason={reason}");
Message?.Invoke($"{LngText(LngKeys.Message_Reject)} {reason.ToUpper()} ({ReasonToString(reason).ToUpper()})");
if (CentralexState == CentralexStates.CentralexConnect && reason == "na")
{
CentralexState = CentralexStates.CentralexRejected;
}
else
{
Disconnect();
}
break;
case ItelexCommands.Ack:
lock (_sendLock)
{
_n_ack = packet.Data[0];
_ackRecvFlag = true;
_lastAckReceived = Helper.GetTicksMs();
}
//Debug.WriteLine($"recv ack cmd {_n_ack} ({CharsAckCount})");
Logging.Instance.Debug(TAG, nameof(DecodePacket), $"recv ack cmd {packet.GetDebugPacket()} ack={_n_ack} ({CharsAckCount})");
Update?.Invoke();
break;
case ItelexCommands.ProtocolVersion:
string versionStr = "";
if (packet.Data.Length > 1)
{
// get version string
versionStr = Encoding.ASCII.GetString(packet.Data, 1, packet.Data.Length - 1);
versionStr = versionStr.TrimEnd('\x00'); // remove 00-byte suffix
}
Message?.Invoke($"received protocol version {packet.Data[0]:X2} '{versionStr}'");
Logging.Instance.Log(LogTypes.Info, TAG, nameof(DecodePacket), $"recv protocol version cmd {packet.GetDebugPacket()}, version={packet.Data[0]} '{versionStr}'");
if (_connectionDirection == ConnectionDirections.In)
{
// answer with own version
SendVersionCodeCmd();
}
break;
case ItelexCommands.SelfTest:
Logging.Instance.Log(LogTypes.Info, TAG, nameof(DecodePacket), $"recv self test cmd {packet.GetDebugPacket()}");
break;
case ItelexCommands.RemoteConfig:
Logging.Instance.Log(LogTypes.Info, TAG, nameof(DecodePacket), $"recv remote config cmd {packet.GetDebugPacket()}");
break;
case ItelexCommands.RemoteConfirm:
CentralexState = CentralexStates.CentralexConnected;
break;
case ItelexCommands.RemoteCall:
SendAcceptCallRemoteCmd();
ConnectInit();
_connectionDirection = ConnectionDirections.In;
if (_config.IncomingExtensionNumber != 0)
{
// set to connected and wait for direct dial command
ConnectionState = ConnectionStates.TcpConnected;
}
else
{
// no direct dial command neccessary
ConnectInit();
}
Message?.Invoke($"{LngText(LngKeys.Message_IncomingConnection)} centralex");
Logging.Instance.Log(LogTypes.Info, TAG, nameof(Listener), $"incoming connection from centralex");
Update?.Invoke();
break;
}
}