private dynamic SendCommand(string message, TelnetCodes expectedCode)
{
var response = SendCommand(message);
if (response.Code != (int)expectedCode)
{
throw new Exception($"Unexpected response code: {response.Code}");
}
else
{
response.Status = true;
}
return(response);
}
private void HandleIAC(byte[] data, int len, ref int pos, ref int scanned)
{
#if TELNET_DEBUG
ChiConsole.WriteLine(((TelnetCodes)data[pos]).ToString() + " ");
#endif
if (pos + 1 >= len)
{
#if TELNET_DEBUG
ChiConsole.WriteLine("Uncomplete telnet sequence");
#endif
// skip IAC. We will try again when we receive more data
pos++;
return;
}
if (System.Enum.IsDefined(TelnetCodes.ABORT.GetType(), data[pos + 1]) == false)
{
ChiConsole.WriteLine("Unknown telnet code " + data[pos + 1]);
// consume IAC
pos++;
scanned = pos;
return;
}
TelnetCodes telCode = (TelnetCodes)data[pos + 1];
#if TELNET_DEBUG
ChiConsole.WriteLine(telCode.ToString());
#endif
if (telCode == TelnetCodes.DO || telCode == TelnetCodes.DONT ||
telCode == TelnetCodes.WILL || telCode == TelnetCodes.WONT)
{
if (pos + 2 >= len)
{
#if TELNET_DEBUG
ChiConsole.WriteLine("Uncomplete telnet sequence");
#endif
// skip IAC and DO/DONT. We will try again when we receive more data
pos += 2;
return;
}
if (System.Enum.IsDefined(TelnetOpts.TELOPT_ECHO.GetType(), data[pos + 2]) == false)
{
ChiConsole.WriteLine("Unknown telnet option " + data[pos + 2]);
// consume IAC
pos++;
scanned = pos;
return;
}
TelnetOpts telOpt = (TelnetOpts)data[pos + 2];
#if TELNET_DEBUG
ChiConsole.WriteLine(telOpt.ToString());
#endif
if (telnetEvent != null)
{
telnetEvent(telCode, telOpt);
}
pos += 3;
scanned = pos;
return;
}
else if (telCode == TelnetCodes.GA)
{
string str = m_stringBuilder.ToString();
if (promptEvent != null)
{
promptEvent(str);
}
m_stringBuilder = new StringBuilder();
pos += 2;
scanned = pos;
return;
}
else
{
if (telnetEvent != null)
{
telnetEvent(telCode, 0);
}
pos += 2;
scanned = pos;
return;
}
}
