/// <summary>
/// Creates a new Telnet instance
/// </summary>
/// <param name="IPAddr">IP Address of the Device</param>
/// <param name="port">Telnet port for the listening device</param>
/// <returns> Bool value representing the success of connection</returns>
public void Connect(IPAddress IPAddr, int port)
{
try
{
Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
socket.Connect(IPAddr, port);
telnet = new TelnetStream(new NetworkStream(socket));
psychic = new Expector(telnet);
psychic.ExpectTimeout = new TimeSpan(0, 0, 8); //5 sec timeout
_status = "Online";
}
catch (SocketException)
{
_status = "Connection Error";
}
catch
{
_status = "Error";
}
}
/// <summary>
/// Creates a new Telnet instance
/// </summary>
/// <param name="IPAddr">IP Address of the Device</param>
/// <param name="port">Telnet port for the listening device</param>
/// <returns> Bool value representing the success of connection</returns>
public void Connect(IPAddress IPAddr, int port)
{
try
{
TcpClient tcl = new TcpClient(Dns.GetHostEntry(IPAddr).HostName, port);
System.IO.Stream st = tcl.GetStream();
telnet = new TelnetStream(st);
psychic = new Expector(telnet);
psychic.ExpectTimeout = new TimeSpan(0, 0, 5); //5 sec timeout
_status = "Online";
}
catch (SocketException)
{
_status = "Connection Error";
}
catch
{
_status = "Error";
}
}
public LineBuffer(TelnetStream stream)
{
_stream = stream;
}
/// <summary>
/// This is the main CoSy client communication thread.
/// </summary>
/// <param name="client">The handle of the TCP client connection</param>
private void HandleClientComm(object client)
{
TcpClient tcpClient = (TcpClient)client;
TelnetStream stream = new TelnetStream(tcpClient.GetStream());
LineBuffer buffer = new LineBuffer(stream);
try
{
DateTime loginTime = DateTime.Now;
buffer.WriteLine("CIX Conferencing System");
while (true)
{
buffer.WriteString("login: "******"qix" || loginString == "cix")
{
break;
}
buffer.WriteLine("Unknown login");
}
Version ver = Assembly.GetEntryAssembly().GetName().Version;
string versionString = string.Format("{0}.{1}.{2}", ver.Major, ver.Minor, ver.Build);
buffer.WriteLine(string.Format("CIX API Proxy {0}", versionString));
buffer.WriteString("Nickname? (Enter 'new' for new user) ");
string userName = buffer.ReadLine();
buffer.WriteString("Password: "******"");
Console.WriteLine("Logged in as '{0}' with password '{1}'", userName, password);
APIRequest.Username = userName;
APIRequest.Password = password;
LoadScratchpad();
_forums = new Forums();
buffer.WriteLine(string.Format("You are a member of {0} conference(s).", _forums.Count));
buffer.WriteLine("Max scratchsize during file has been set to 20000000 bytes");
TopLevelCommand(buffer);
buffer.Output = null;
// Round up login time to 1 minute.
TimeSpan onlineTime = (DateTime.Now - loginTime).Add(new TimeSpan(0, 1, 0));
buffer.WriteLine(string.Format("{0}, you have been online {1}:{2} on line 5", userName, onlineTime.Hours,
onlineTime.Minutes));
buffer.WriteLine("Goodbye from CIX !!!HANGUP NOW!!!");
}
catch (IOException)
{
Console.WriteLine("Client terminated connection");
}
catch (IndexOutOfRangeException)
{
Console.WriteLine("Client terminated connection");
}
catch (AuthenticationException)
{
Console.WriteLine("Client not authorised");
}
tcpClient.Close();
}
private void ReadStreamInBackgroud(object sender, DoWorkEventArgs e)
{
byte[] bucket = new byte[1024];
int readLen = 0;
// check if client is connected, if not then connect the client
while (tcpclient == null || !tcpclient.Connected)
{
this.Dispatcher.Invoke((Action)(() =>
{
ShowReconnectingPanel();
}));
tcpclient = new TcpClient();
try
{
Trace.WriteLine("Connecting.." + Session.SessionName);
tcpclient.Connect(Session.ServerIP, Session.ServerPort);
Session.IsConnected = tcpclient.Connected;
}
catch (Exception ex)
{
Trace.WriteLine(ex.Message);
}
if (!autoreconnect)
break;
else
Thread.Sleep(autoreconnecttime);
}
if (tcpclient == null || !tcpclient.Connected)
{
this.Dispatcher.Invoke((Action)(() =>
{
ShowNoConnectionBanner();
}));
return;
}
this.Dispatcher.Invoke((Action)(() =>
{
ShowTerminalRichTextBox();
}));
TelnetStream t_stream = new TelnetStream(tcpclient.GetStream());
readLen= t_stream.Read(bucket, 0, 1024);
this.Dispatcher.Invoke((Action)(() =>
{
RichTextBox.Write(Encoding.ASCII.GetString(bucket, 0, readLen));
}));
if (LogFileEnable)
{
if (logfile == null)
logfile = new LogFile(Session);
logfile.Write(bucket, readLen);
}
if (tcpclient == null || !tcpclient.Connected)
{
this.Dispatcher.Invoke((Action)(() =>
{
ShowNoConnectionBanner();
}));
return;
}
// read stram asynchrounously
Stream = tcpclient.GetStream();
foreach (string cmd in Session.OnConnectCmdList) {
Write(Encoding.ASCII.GetBytes(cmd));
}
int num = 0;
try {
while (true)
{
if (Stream.DataAvailable)
{
readLen = Stream.Read(bucket, 0, 1024);
if (LogFileEnable)
logfile.Write(bucket, readLen);
if ((bucket[0] == 8 && bucket[1] == 32 && bucket[2] == 8) || (bucket[0] == 27 && bucket[1] == 91 && bucket[2] == 48 && bucket[3] == 68 && bucket[4] == 27))
this.Dispatcher.Invoke((Action)(() =>
{
Trace.WriteLine("back received: "+ ++num);
RichTextBox.BackSpace();
}));
else
this.Dispatcher.Invoke((Action)(() =>
{
RichTextBox.Write(Encoding.ASCII.GetString(bucket, 0, readLen));
}));
}
if (_bw_Stop_Flag) // if flag is true then come out of the look, its signal for _bw to stop
break;
Thread.Sleep(100);
if (tcpclient == null || !tcpclient.Connected)
{
this.Dispatcher.Invoke((Action)(() =>
{
ShowNoConnectionBanner();
}));
return;
}
}
}catch(Exception ex)
{
this.Dispatcher.Invoke((Action)(() =>
{
ShowNoConnectionBanner();
}));
Trace.Write(ex);
}
}
