// handles input from client. For now the method will only // respond to GET requests. public void GetClientInput(object obj) { var client = (TcpClient)obj; stream = client.GetStream(); streamR = new StreamReader(stream); streamW = new StreamWriter(stream); streamW.AutoFlush = true; try { string input = streamR.ReadLine(); string path = "/"; string[] request = Regex.Split(input, @"\s+"); if (request.Length != 1) path = request[1]; if (request[0].Equals("GET") && request.Length < 4 ) { //> handleGETRequest(request, path); } else { // handle 400 bad request outputResponseLines4xx(BAD_REQUEST, "400: Bad Request."); } stream.Close(); } catch (Exception) { stream.Close(); } }
public static void Main() { try { bool status = true ; string servermessage = "" ; string clientmessage = "" ; TcpListener tcpListener = new TcpListener(8100) ; tcpListener.Start() ; Console.WriteLine("Server Started") ; Socket socketForClient = tcpListener.AcceptSocket() ; Console.WriteLine("Client Connected") ; NetworkStream networkStream = new NetworkStream(socketForClient) ; StreamWriter streamwriter = new StreamWriter(networkStream) ; StreamReader streamreader = new StreamReader(networkStream) ; while(status) { if(socketForClient.Connected) { servermessage = streamreader.ReadLine() ; Console.WriteLine("Client:"+servermessage) ; if((servermessage== "bye" )) { status = false ; streamreader.Close() ; networkStream.Close() ; streamwriter.Close() ; return ; } Console.Write("Server:") ; clientmessage = Console.ReadLine() ; streamwriter.WriteLine(clientmessage) ; streamwriter.Flush() ; } } streamreader.Close() ; networkStream.Close() ; streamwriter.Close() ; socketForClient.Close() ; Console.WriteLine("Exiting") ; } catch(Exception e) { Console.WriteLine(e.ToString()) ; } }
public static void Main() { TcpListener tcpListener = new TcpListener(10); tcpListener.Start(); Socket socketForClient = tcpListener.AcceptSocket(); if (socketForClient.Connected) { Console.WriteLine("Client connected"); NetworkStream networkStream = new NetworkStream(socketForClient); System.IO.StreamWriter streamWriter = new System.IO.StreamWriter(networkStream); System.IO.StreamReader streamReader = new System.IO.StreamReader(networkStream); string theString = "Sending"; streamWriter.WriteLine(theString); Console.WriteLine(theString); streamWriter.Flush(); theString = streamReader.ReadLine(); Console.WriteLine(theString); streamReader.Close(); networkStream.Close(); streamWriter.Close(); } socketForClient.Close(); Console.WriteLine("Exiting..."); }
/// <summary> /// Calling recieve over and over for each client until they exit. /// </summary> public static void Listeners() { Socket socketForClient = tcpListener.AcceptSocket(); if (socketForClient.Connected) { Console.WriteLine("Client:" + socketForClient.RemoteEndPoint + " now connected to server."); NetworkStream networkStream = new NetworkStream(socketForClient); System.IO.StreamWriter streamWriter = new System.IO.StreamWriter(networkStream); System.IO.StreamReader streamReader = new System.IO.StreamReader(networkStream); //here we recieve client's text if any. while (true) { string theString = testReceive(socketForClient); if (theString.ToLower() == "exit") { break; } } streamReader.Close(); networkStream.Close(); streamWriter.Close(); } Console.WriteLine("Client disconnected from IP: " + socketForClient.RemoteEndPoint); socketForClient.Close(); Console.ReadKey(); }
public IEnumerator process() { netStream = socket.GetStream(); // wait until request is parsed yield return srv.StartCoroutine(parseRequest()); if(error == null){ // wait until headers are parsed yield return srv.StartCoroutine(parseHeaders()); if(error == null){ switch(http_method){ case "GET": yield return srv.StartCoroutine(handleGetRequest()); break; case "POST": yield return srv.StartCoroutine(handlePostRequest()); break; default: Debug.LogError("Unknown http_method " + http_method); error = "Unknown http_method " + http_method; break; } } } socket.Close(); netStream.Close(); }
static void Main(string[] args) { String n="", horariosOut=""; IPAddress ip = IPAddress.Parse("127.0.0.1"); TcpListener tcpListener = new TcpListener(ip, 5050); tcpListener.Start(); Socket serverSock = tcpListener.AcceptSocket(); if (serverSock.Connected) { NetworkStream con = new NetworkStream(serverSock); //Archivo local en servidor, el cual se activará para mandar un correo StreamWriter crearArchivoLocal = new StreamWriter("C:/Users/Dell/Documents/datoAdjunto.txt"); StreamWriter enviarDatos = new StreamWriter(con); StreamReader recibirDatos = new StreamReader(con); if(recibirDatos.ReadLine()!=""){ horariosOut = "Horarios disponibles: 1) 9:00 am 2) 12:00 pm 3) 3:00pm 4) 5:00 pm 5) 12:00 am. Seleccione alguna opción indicando con un numero"; enviarDatos.WriteLine(horariosOut); enviarDatos.Flush(); } if(recibirDatos.ReadLine().Equals("2")){ n = (recibirDatos.ReadLine() ); crearArchivoLocal.WriteLine(n); } if(recibirDatos.ReadLine().Equals("3")){ EnviarEmail enviarCorreo = new EnviarEmail(); bool exito = enviarCorreo.EnviarMail(recibirDatos.ReadLine(), "Datos de reservación", n, "AerolinasMisael", "*****@*****.**", "josueupbc"); if (exito == true) { enviarDatos.WriteLine(n + " El correo fue enviado exitosamente"); Console.WriteLine("El correo ha sido enviado exitosamente"); } else Console.Error.WriteLine("No fue posible enviar el correo"); enviarDatos.Flush(); } recibirDatos.Close(); crearArchivoLocal.Close(); enviarDatos.Close(); con.Close(); serverSock.Close(); } else Console.WriteLine("Fallo en la conexion"); Console.ReadKey(); }
private void ReceiveCommands() { while(true) { Socket socket = listener.AcceptSocket(); Stream stream = new NetworkStream(socket); StreamReader reader = new StreamReader(stream); string command = reader.ReadLine(); ExecuteCommand(command); reader.Close(); stream.Close(); socket.Close(); } }
private void ListenForClients() { TcpClient client = null; tcpListener.Start(); Debug.Log ("Up....!"); running = true; try { client = tcpListener.AcceptTcpClient(); } catch { goto end; } while (running) { clientStream = client.GetStream(); byte[] message = new byte[4096]; int bytesRead = 0; try { //blocks until a client sends a message bytesRead = clientStream.Read(message, 0, 4096); } catch { //a socket error has occured Debug.Log ("socket read error"); break; } if (bytesRead == 0) { //the client has disconnected from the server break; } //message has successfully been received request = encoder.GetString(message, 0, bytesRead); if (request == "quit\n") break; } end: if (client != null) { client.Close(); clientStream.Close (); clientStream = null; } Debug.Log ("Down....!"); }
private void CloseConnection() { if (connection == null) { return; } try { networkStream?.Close(0); } catch (Exception) { } networkStream = null; try { connection.Close(); } catch (Exception) { } connection = null; }
public static void Service() { while (true) { Socket soc = listener.AcceptSocket(); //soc.SetSocketOption(SocketOptionLevel.Socket, // SocketOptionName.ReceiveTimeout,10000); #if LOG Console.WriteLine("Connected: {0}", soc.RemoteEndPoint); #endif try { Stream s = new NetworkStream(soc); StreamReader sr = new StreamReader(s); StreamWriter sw = new StreamWriter(s); sw.AutoFlush = true; // enable automatic flushing while (true) { string name = sr.ReadLine(); if (name == "" || name == null) break; sw.WriteLine(name); } s.Close(); } catch (Exception e) { #if LOG Console.WriteLine(e.Message); #endif } #if LOG Console.WriteLine("Disconnected: {0}", soc.RemoteEndPoint); #endif soc.Close(); } }
public static void StartListeningTcp() { TcpThreadListener listener = new TcpThreadListener(0); NetworkStream ns = null; BinaryReader br = null; try { listener.Start(); IPEndPoint ipe = (IPEndPoint) listener.LocalEndpoint; Interlocked.Exchange(ref iPortNumber, ipe.Port); Console.WriteLine("Using port: {0}", iPortNumber); m_PortSetEvent.Set(); Socket s = listener.AcceptSocket(); ns = new NetworkStream(s); br = new BinaryReader( ns ); SByte iTemp ; for(int i = 0 ; i < sbArr.Length ; i++) { iTemp = br.ReadSByte(); if(iTemp != sbArr[i]) { iCountErrors++; Console.WriteLine( "Error_0000_"+i+"! Expected=="+sbArr[i]+", got=="+iTemp); } } Console.WriteLine("We are done with the listening"); } catch(Exception e) { iCountErrors++ ; Console.WriteLine("Exception receiving Teleportation: " + e.Message + Environment.NewLine + e.StackTrace); m_PortSetEvent.Set(); } finally { if (listener != null) { listener.Stop(); } if (ns != null) { ns.Close(); } if(br != null) { br.Close(); } } //finally }
public static void StartListeningTcp() { TcpThreadListener listener = null; Socket s = null; NetworkStream ns = null; BinaryReader bs = null; try { listener = new TcpThreadListener(0); listener.Start(); IPEndPoint ipe = (IPEndPoint) listener.LocalEndpoint; Interlocked.Exchange(ref iPortNumber, ipe.Port); Console.WriteLine("Using port: {0}", iPortNumber); m_PortSetEvent.Set(); s = listener.AcceptSocket(); ns = new NetworkStream(s); bs = new BinaryReader( ns , enc); Console.WriteLine( enc.ToString() ); int iNumBytesRead = bs.Read(new Byte[1024], 0, 1024) ; if ( iNumBytesRead != 1024 ) iCountErrors++ ; } catch(Exception e) { Console.WriteLine("Exception receiving Teleportation: " + e.Message + Environment.NewLine + e.StackTrace); m_PortSetEvent.Set(); } finally { if (listener != null) { listener.Stop(); } if (ns != null) { ns.Close(); } if(bs != null) { bs.Close(); } } }
public static void StartListeningTcp() { TcpThreadListener listener = new TcpThreadListener(0); NetworkStream ns = null; StreamReader sr = null; try { listener.Start(); IPEndPoint ipe = (IPEndPoint) listener.LocalEndpoint; Interlocked.Exchange(ref iPortNumber, ipe.Port); Console.WriteLine("Using port: {0}", iPortNumber); m_PortSetEvent.Set(); Socket s = listener.AcceptSocket(); ns = new NetworkStream(s); sr = new StreamReader(ns); int iBytValue = 0 , iExpected = 65; for(int iLoop = 0 ; iLoop < 4 ; iLoop++){ iBytValue = sr.Read(); if(iBytValue != iExpected++) { iCountErrors++; Console.WriteLine( "Error_66677! Incorrect character read"); } } Console.WriteLine("We are done with the listening"); } catch(Exception e) { iCountErrors++ ; Console.WriteLine("Exception receiving Teleportation: " + e.Message + Environment.NewLine + e.StackTrace); m_PortSetEvent.Set(); } finally { if (listener != null) { listener.Stop(); } if (ns != null) { ns.Close(); } if(sr != null) { sr.Close(); } } //finally }
public static void StartListeningTcp() { TcpThreadListener listener = null; Socket s = null; NetworkStream ns = null; StreamReader sr = null; try { listener = new TcpThreadListener(0); listener.Start(); IPEndPoint ipe = (IPEndPoint) listener.LocalEndpoint; Interlocked.Exchange(ref iPortNumber, ipe.Port); Console.WriteLine("Using port: {0}", iPortNumber); m_PortSetEvent.Set(); s = listener.AcceptSocket(); ns = new NetworkStream(s); sr = new StreamReader(ns , enc, detectEncodingFromByteOrderMarks); String strRead = sr.ReadLine(); Console.WriteLine("read string..." + strRead ); if(strRead != strResult) { iCountErrors++; Console.WriteLine( "Error_66677! Incorrect string read"); } } catch(Exception e) { iCountErrors++ ; Console.WriteLine("Exception receiving Teleportation: " + e.Message + Environment.NewLine + e.StackTrace); m_PortSetEvent.Set(); } finally { if (listener != null) { listener.Stop(); } if (ns != null) { ns.Close(); } if(sr != null) { sr.Close(); } } }
// set up connection for client to play Hangman public void GetGuesses() { // start listening for connections IPAddress local = IPAddress.Parse( "127.0.0.1" ); TcpListener listener = new TcpListener( local, 50000 ); listener.Start(); // accept client connection and get NetworkStream to communicate with client Socket connection = listener.AcceptSocket(); DisplayMessage( "Connection received\r\n" ); NetworkStream socketStream = new NetworkStream( connection ); // create reader and writer for client BinaryWriter writer = new BinaryWriter( socketStream ); BinaryReader reader = new BinaryReader( socketStream ); Random randomWord = new Random(); int wordNumber = randomWord.Next(297); string word = ""; StreamReader wordReader = new StreamReader("words.txt"); for (int i = 0; i <= wordNumber; i++) word = wordReader.ReadLine(); DisplayMessage("The secret word is: " + word + "\r\n"); writer.Write(word.Length); int numberWrong = 0; int numberLettersLeft = word.Length; int numberCharsInWord = 0; char guess; while (numberLettersLeft > 0 && numberWrong < 5) { numberCharsInWord = 0; guess = reader.ReadChar(); DisplayMessage("The User guessed " + guess + "\r\n"); for (int i = 0; i < word.Length; i++) { if (word[i] == guess) { numberCharsInWord++; } } writer.Write(numberCharsInWord); if (numberCharsInWord != 0) { for (int i = 0; i < word.Length; i++) { if (word[i] == guess) { writer.Write(i); numberLettersLeft--; } } } else { numberWrong++; } }//endwhile if (numberLettersLeft != 0 && numberWrong == 5) { writer.Write(word); } connection.Close(); socketStream.Close(); reader.Close(); writer.Close(); } // end method GetGuesses
public static void StartListeningTcp() { TcpThreadListener listener = new TcpThreadListener(0); NetworkStream ns = null; BinaryReader br = null; try { listener.Start(); IPEndPoint ipe = (IPEndPoint) listener.LocalEndpoint; Interlocked.Exchange(ref iPortNumber, ipe.Port); Console.WriteLine("Using port: {0}", iPortNumber); m_PortSetEvent.Set(); Socket s = listener.AcceptSocket(); ns = new NetworkStream(s); br = new BinaryReader( ns ); Char[] charArr = new Char[chArr.Length]; int i32 = br.Read(charArr, 0, charArr.Length); if(i32 != chArr.Length ) { iCountErrors++; Console.WriteLine( "Error_4353! Incorrect number of chars read, read=="+i32); } for(int i = 0 ; i < chArr.Length ; i++) { if(charArr[i] != chArr[i]) { iCountErrors++; Console.WriteLine( "Error_58byc_"+i+"! Incorrect character, expected=="+chArr[i]+", got=="+charArr[i]); } } Console.WriteLine("We are done with the listening"); } catch(Exception e) { iCountErrors++ ; Console.WriteLine("Exception receiving Teleportation: " + e.Message + Environment.NewLine + e.StackTrace); m_PortSetEvent.Set(); } finally { if (listener != null) { listener.Stop(); } if (ns != null) { ns.Close(); } if(br != null) { br.Close(); } } //finally }
public static void StartListeningTcp() { //Use 0 to cause socket to use a free port number. TcpThreadListener listener = new TcpThreadListener(0); NetworkStream ns = null; BinaryReader bs = null; try { listener.Start(); IPEndPoint ipe = (IPEndPoint) listener.LocalEndpoint; Interlocked.Exchange(ref iPortNumber, ipe.Port); Console.WriteLine("Using port: {0}", iPortNumber); m_PortSetEvent.Set(); Socket s = listener.AcceptSocket(); ns = new NetworkStream(s); bs = new BinaryReader( ns ); Console.WriteLine( bs.Read(new Byte[1024], 0, 1024) ); } catch(Exception e) { Console.WriteLine("Exception receiving Teleportation: " + e.Message + Environment.NewLine + e.StackTrace); m_PortSetEvent.Set(); } finally { if (listener != null) { listener.Stop(); } if (ns != null) { ns.Close(); } if(bs != null) { bs.Close(); } } //finally }
private void closeConnection() { client.Close(); stream.Flush(); stream.Close(); }
public static void StartListeningTcp() { TcpThreadListener listener = new TcpThreadListener(0); NetworkStream ns = null; BinaryReader br = null; try { listener.Start(); IPEndPoint ipe = (IPEndPoint) listener.LocalEndpoint; Interlocked.Exchange(ref iPortNumber, ipe.Port); Console.WriteLine("Using port: {0}", iPortNumber); m_PortSetEvent.Set(); Socket s = listener.AcceptSocket(); ns = new NetworkStream(s); br = new BinaryReader( ns ); Byte[] bArrReturn = br.ReadBytes(bInputBytes.Length); if(bArrReturn.Length != bInputBytes.Length) { iCountErrors++; Console.WriteLine( "Error_1900c! Incorrect number of chars read"); } for(int i = 0 ; i < bInputBytes.Length ; i++) { if(bArrReturn[i] != bInputBytes[i]) { iCountErrors++; Console.WriteLine( "Error_298vc_"+i+"! Expected=="+(Int32)bInputBytes[i]+", got=="+(Int32)bArrReturn[i]); } } Console.WriteLine("We are done with the listening"); } catch(Exception e) { iCountErrors++ ; Console.WriteLine("Exception receiving Teleportation: " + e.Message + Environment.NewLine + e.StackTrace); m_PortSetEvent.Set(); } finally { if (listener != null) { listener.Stop(); } if (ns != null) { ns.Close(); } if(br != null) { br.Close(); } } //finally }
public static void StartListeningTcp() { TcpThreadListener listener = new TcpThreadListener(0); NetworkStream ns = null; BufferedStream bs = null; try { listener.Start(); IPEndPoint ipe = (IPEndPoint) listener.LocalEndpoint; Interlocked.Exchange(ref iPortNumber, ipe.Port); Console.WriteLine("Using port: {0}", iPortNumber); m_PortSetEvent.Set(); Socket s = listener.AcceptSocket(); ns = new NetworkStream(s); bs = new BufferedStream( ns ); int iByte ; for(int i = 0 ; i < 100 ; i++) { iByte = bs.ReadByte (); if(iByte != i) { iCountErrors++; Console.WriteLine( "Error_4324! Expected=="+i+", got=="+iByte); } } Console.WriteLine("We are done with the listening"); } catch(Exception e) { iCountErrors++ ; Console.WriteLine("Exception receiving Teleportation: " + e.Message + Environment.NewLine + e.StackTrace); m_PortSetEvent.Set(); } finally { if (listener != null) { listener.Stop(); } if (ns != null) { ns.Close(); } if(bs != null) { bs.Close(); } } //finally }
} // end method inputTextBox_KeyDown // allows a client to connect; displays text the client sends public void RunServer() { TcpListener listener; int counter = 1; // wait for a client connection and display the text // that the client sends try { // Step 1: create TcpListener IPAddress local = IPAddress.Parse( "127.0.0.1" ); listener = new TcpListener( local, 50000 ); // Step 2: TcpListener waits for connection request listener.Start(); // Step 3: establish connection upon client request while ( true ) { DisplayMessage( "Waiting for connection\r\n" ); // accept an incoming connection connection = listener.AcceptSocket(); // create NetworkStream object associated with socket socketStream = new NetworkStream( connection ); // create objects for transferring data across stream writer = new BinaryWriter( socketStream ); reader = new BinaryReader( socketStream ); DisplayMessage( "Connection " + counter + " received.\r\n" ); // inform client that connection was successfull writer.Write( "SERVER>>> Connection successful" ); DisableInput( false ); // enable inputTextBox string theReply = ""; // Step 4: read string data sent from client do { try { // read the string sent to the server theReply = reader.ReadString(); // display the message DisplayMessage( "\r\n" + theReply ); } // end try catch ( Exception ) { // handle exception if error reading data break; } // end catch } while ( theReply != "CLIENT>>> TERMINATE" && connection.Connected ); DisplayMessage( "\r\nUser terminated connection\r\n" ); // Step 5: close connection writer.Close(); reader.Close(); socketStream.Close(); connection.Close(); DisableInput( true ); // disable InputTextBox counter++; } // end while } // end try catch ( Exception error ) { MessageBox.Show( error.ToString() ); } // end catch } // end method RunServer
public static void StartListeningTcp() { TcpThreadListener listener = new TcpThreadListener(0); NetworkStream ns = null; BinaryReader br = null; try { listener.Start(); IPEndPoint ipe = (IPEndPoint) listener.LocalEndpoint; Interlocked.Exchange(ref iPortNumber, ipe.Port); Console.WriteLine("Using port: {0}", iPortNumber); m_PortSetEvent.Set(); Socket s = listener.AcceptSocket(); ns = new NetworkStream(s); br = new BinaryReader( ns ); Int32 tmp = 0; for(int i = 0 ; i < chArr.Length ; i++) { tmp = br.PeekChar(); if(tmp != -1) { iCountErrors++; Console.WriteLine( "It's a network stream.... We always expect -1... but the real value..." + tmp); } br.Read(); } Console.WriteLine("We are done with the listening"); } catch(Exception e) { Console.WriteLine("Exception receiving Teleportation: " + e.Message + Environment.NewLine + e.StackTrace); m_PortSetEvent.Set(); } finally { if (listener != null) { listener.Stop(); } if (ns != null) { ns.Close(); } if(br != null) { br.Close(); } } //finally }
public void ProcessClient( object socket ) { Socket connection = (Socket)socket; NetworkStream socketStream=new NetworkStream(connection); BinaryWriter writer = new BinaryWriter(socketStream); BinaryReader reader = new BinaryReader(socketStream); if(connection != null) { sockets.Add(Thread.CurrentThread , connection); } writers.Add(Thread.CurrentThread , writer); string theReply = ""; do { try { theReply = reader.ReadString(); string[] words = theReply.Split('\r' , '\t' , ' '); if(words[0].Contains("Register")) { User user = new User(words[1] , words[2]); List<User> list = new List<User>(); if(!File.Exists(path)) { } else { XmlSerializer xmlSer = new XmlSerializer(typeof(UserCollection)); //var sr = new StreamReader(path); using(var stream = File.OpenRead(path)) { list=((UserCollection)xmlSer.Deserialize(stream)).Users; if(list.Contains(user)) { DisplayMessage("\r\n" + theReply + " true"); writer.Write(" true "); } else { DisplayMessage("\r\n" + theReply + " false"); writer.Write(" false "); } } } } else if(words[0].Contains("Card")) { Regex r = new Regex(@"\d{4}-\d{4}-\d{4}-\d{4}"); if(r.IsMatch(words[1])&&LuhnCheck(words[1])) { string scrypt = Transform(words[1]); writer.Write(scrypt); } else { writer.Write("Invalid input"); } } else if(words[0].Contains("Cypher")) { Regex r = new Regex(@"\d{4}-\d{4}-\d{4}-\d{4}"); if(r.IsMatch(words[1])) { string scrypt = Transform(words[1]); writer.Write(scrypt); } else { writer.Write("Invalid input"); } } else { writer.Write("Error"); } } catch(Exception) { break; } } while(true); DisplayMessage("\r\nUser terminated connection\r\n"); writer.Close(); reader.Close(); socketStream.Close(); connection.Close(); writers.Remove(Thread.CurrentThread); sockets.Remove(Thread.CurrentThread); }
public static void StartListeningTcp() { TcpThreadListener listener = new TcpThreadListener(0); NetworkStream ns = null; BinaryReader bs = null; try { listener.Start(); IPEndPoint ipe = (IPEndPoint) listener.LocalEndpoint; Interlocked.Exchange(ref iPortNumber, ipe.Port); Console.WriteLine("Using port: {0}", iPortNumber); m_PortSetEvent.Set(); Socket s = listener.AcceptSocket(); ns = new NetworkStream(s); bs = new BinaryReader( ns); if ( bs.BaseStream != ns) { Console.WriteLine("Unexpected base stream"); iCountErrors++ ; } } catch(Exception e) { Console.WriteLine("Exception receiving Teleportation: " + e.Message + Environment.NewLine + e.StackTrace); m_PortSetEvent.Set(); } finally { if (listener != null) { listener.Stop(); } if (ns != null) { ns.Close(); } if(bs != null) { bs.Close(); } } //finally }
public static void StartListeningTcp() { TcpThreadListener listener = new TcpThreadListener(0); NetworkStream ns = null; BufferedStream bs = null; try { listener.Start(); IPEndPoint ipe = (IPEndPoint) listener.LocalEndpoint; Interlocked.Exchange(ref iPortNumber, ipe.Port); Console.WriteLine("Using port: {0}", iPortNumber); m_PortSetEvent.Set(); Socket s = listener.AcceptSocket(); ns = new NetworkStream(s); bs = new BufferedStream( ns ); bs.Close(); try { bs.Flush(); iCountErrors++; Console.WriteLine( "Error_8989!!! Expected exception not occured"); } catch (ObjectDisposedException iexc) { Console.WriteLine( "Info_9898! Caught expected exception, exc=="+iexc.Message); } catch (Exception exc) { iCountErrors++; Console.WriteLine( "Error_0000! Incorrect exception thrown, exc=="+exc.ToString()); } Console.WriteLine("We are done with the listening"); } catch(Exception e) { iCountErrors++ ; Console.WriteLine("Exception receiving Teleportation: " + e.Message + Environment.NewLine + e.StackTrace); m_PortSetEvent.Set(); } finally { if (listener != null) { listener.Stop(); } if (ns != null) { ns.Close(); } if(bs != null) { bs.Close(); } } //finally }
// ----- // http://www.c-sharpcorner.com/UploadFile/dottys/SocketProgDTRP11222005023030AM/SocketProgDTRP.aspx // Socket Server public string socketServer() { string theString = "Hello!"; //Creates an instance of the TcpListener class by providing a local port number. IPHostEntry host= Dns.GetHostEntry("localhost"); TcpListener tcpListener = new TcpListener(host.AddressList[0], 10); tcpListener.Start(); Socket socketForClient = tcpListener.AcceptSocket(); if (socketForClient.Connected) { NetworkStream networkStream = new NetworkStream(socketForClient); System.IO.StreamWriter streamWriter = new System.IO.StreamWriter(networkStream); System.IO.StreamReader streamReader = new System.IO.StreamReader(networkStream); streamWriter.WriteLine(theString); // textBox1.Text += theString + Environment.NewLine; streamWriter.Flush(); while (theString != "quit") { theString = streamReader.ReadLine(); excuteCmd(theString); streamWriter.WriteLine("Yes! My Lord!"); streamWriter.Flush(); } // textBox1.Text += theString + Environment.NewLine; streamReader.Close(); networkStream.Close(); streamWriter.Close(); } socketForClient.Close(); //textBox1.Text += "Exiting..." + Environment.NewLine; return theString; }
} // end method inputTextBox_KeyDown // connect to server and display server-generated text public void RunClient() { TcpClient client; // instantiate TcpClient for sending data to server try { DisplayMessage( "Attempting connection\r\n" ); // Step 1: create TcpClient and connect to server client = new TcpClient(); client.Connect( "127.0.0.1", 50000 ); // Step 2: get NetworkStream associated with TcpClient output = client.GetStream(); // create objects for writing and reading across stream writer = new BinaryWriter( output ); reader = new BinaryReader( output ); DisplayMessage( "\r\nGot I/O streams\r\n" ); DisableInput( false ); // enable inputTextBox // loop until server signals termination do { // Step 3: processing phase try { // read message from server message = reader.ReadString(); DisplayMessage( "\r\n" + message ); } // end try catch ( Exception ) { // handle exception if error in reading server data System.Environment.Exit( System.Environment.ExitCode ); } // end catch } while ( message != "SERVER>>> TERMINATE" ); // Step 4: close connection writer.Close(); reader.Close(); output.Close(); client.Close(); Application.Exit(); } // end try catch ( Exception error ) { // handle exception if error in establishing connection MessageBox.Show( error.ToString(), "Connection Error", MessageBoxButtons.OK, MessageBoxIcon.Error ); System.Environment.Exit( System.Environment.ExitCode ); } // end catch } // end method RunClient
// Use this for initialization void Start() { string machineName = "datisbox.net"; int port = 8666; string serverCertificateName = "tsarpf-cert.pem"; client = new TcpClient(machineName, port).GetStream(); Console.WriteLine("Client connected."); // Create an SSL stream that will close the client's stream. stream = new SslStream( client, false, new RemoteCertificateValidationCallback(ValidateServerCertificate), null ); // The server name must match the name on the server certificate. try { stream.AuthenticateAsClient(serverCertificateName); } catch (AuthenticationException e) { Console.WriteLine("Exception: {0}", e.Message); if (e.InnerException != null) { Console.WriteLine("Inner exception: {0}", e.InnerException.Message); } Console.WriteLine("Authentication failed - closing the connection."); client.Close(); return; } //TODO: authentication handlinga ödlfjglkj }
public static void StartListeningTcp() { TcpThreadListener listener = new TcpThreadListener(0); NetworkStream ns = null; StreamReader sr = null; try { listener.Start(); IPEndPoint ipe = (IPEndPoint) listener.LocalEndpoint; Interlocked.Exchange(ref iPortNumber, ipe.Port); Console.WriteLine("Using port: {0}", iPortNumber); m_PortSetEvent.Set(); Socket s = listener.AcceptSocket(); ns = new NetworkStream(s); sr = new StreamReader(ns); try { Int32 tmp = 0; for(int i = 0 ; i < chArr.Length ; i++) { if((tmp = sr.Read()) != (Int32)chArr[i]) { iCountErrors++; Console.WriteLine( "Error_9090_"+i+"! Expected=="+(Int32)chArr[i]+", got=="+tmp); } } } catch (Exception exc) { iCountErrors++; Console.WriteLine( "Error_5555! Incorrect exception thrown, exc=="+exc.ToString()); } Console.WriteLine("We are done with the listening"); } catch(Exception e) { iCountErrors++ ; Console.WriteLine("Exception receiving Teleportation: " + e.Message + Environment.NewLine + e.StackTrace); m_PortSetEvent.Set(); } finally { if (listener != null) { listener.Stop(); } if (ns != null) { ns.Close(); } if(sr != null) { sr.Close(); } } //finally }
static void Main(string[] args) { int points; double fx; string entrada, lgr, cubic, result; string[] array1; List<double> x = new List<double>(); List<double> y = new List<double>(); IPAddress ip = IPAddress.Parse("127.0.0.1"); TcpListener tcpListener = new TcpListener(ip, 5050); tcpListener.Start(); Socket serverSock = tcpListener.AcceptSocket(); if (serverSock.Connected) { NetworkStream con = new NetworkStream(serverSock); StreamWriter wr = new StreamWriter(con); StreamReader rd = new StreamReader(con); entrada = (rd.ReadLine()); // lagrange|cubic|4|5|1|4|7|8|4|7|1|9| FORMATO DE ENTRADA array1= entrada.Split('|'); // llamando metodo split List<string> list = new List<string>(array1); // Constructor de listas result = Convert.ToString(list.Count()); lgr = list[0]; cubic = list[1]; points = int.Parse(list[2]); fx = double.Parse(list[3]); for (int i = 4; i < (points + 4); i++) { x.Add(double.Parse(list[i])); } for (int i = (4 + points); i < (4 + (points * 2)); i++) { y.Add(double.Parse(list[i])); } list.Clear(); if (lgr == "lagrange") { Lagrange lg = new Lagrange(); list.Add(Convert.ToString(lg.lagrange_metodo(fx, x, y))); } else list.Add("N/A"); if (cubic=="cubic") { CS_Spline spl = new CS_Spline(); list.Add(Convert.ToString(spl.Cubic_Spline(fx, x, y))); list.Add(spl.formula); } else { list.Add("N/A"); list.Add("N/A"); } StringBuilder builder = new StringBuilder(); foreach (string value in list) // Loop through all strings { builder.Append(value).Append("|"); // Append string to StringBuilder } result = builder.ToString(); Console.WriteLine(result); wr.WriteLine(result); wr.Flush(); rd.Close(); wr.Close(); con.Close(); serverSock.Close(); } else { Console.WriteLine("Fallo en la conexion"); } }
public static void StartListeningTcp() { TcpThreadListener listener = new TcpThreadListener(0); NetworkStream ns = null; StreamReader sr = null; try { listener.Start(); IPEndPoint ipe = (IPEndPoint) listener.LocalEndpoint; Interlocked.Exchange(ref iPortNumber, ipe.Port); Console.WriteLine("Using port: {0}", iPortNumber); m_PortSetEvent.Set(); Socket s = listener.AcceptSocket(); ns = new NetworkStream(s); sr = new StreamReader(ns); try { String text = sr.ReadLine(); if(text != strValue) { iCountErrors++; Console.WriteLine( "Unexpected text in the stream..." + text); } } catch (Exception exc) { iCountErrors++; Console.WriteLine( "Error_5555! Incorrect exception thrown, exc=="+exc.ToString()); } Console.WriteLine("We are done with the listening"); } catch(Exception e) { iCountErrors++ ; Console.WriteLine("Exception receiving Teleportation: " + e.Message + Environment.NewLine + e.StackTrace); m_PortSetEvent.Set(); } finally { if (listener != null) { listener.Stop(); } if (ns != null) { ns.Close(); } if(sr != null) { sr.Close(); } } //finally }
public static void StartListeningTcp() { TcpThreadListener listener = new TcpThreadListener(0); NetworkStream ns = null; BinaryReader br = null; try { listener.Start(); IPEndPoint ipe = (IPEndPoint) listener.LocalEndpoint; Interlocked.Exchange(ref iPortNumber, ipe.Port); Console.WriteLine("Using port: {0}", iPortNumber); m_PortSetEvent.Set(); Socket s = listener.AcceptSocket(); ns = new NetworkStream(s); br = new BinaryReader( ns ); Int64 iTemp; Int64 iVal; for( int iLoop = 0 ; iLoop < chArrValues.Length ; iLoop++ ) { iVal = (Int64)(byte)chArrValues[iLoop] + (1<<8) * (Int64)(byte)chArrValues[(iLoop+1) % chArrValues.Length] + (1<<16) * (Int64)(byte)chArrValues[(iLoop+2) % chArrValues.Length] + (1<<24) * (Int64)(byte)chArrValues[(iLoop+3) % chArrValues.Length]; iTemp = br.ReadInt64(); if(iTemp != iVal) { iCountErrors++; Console.WriteLine( "Error_5453c_"+iLoop+"! Expected=="+iVal+", got=="+iTemp); } } Console.WriteLine("We are done with the listening"); } catch(Exception e) { iCountErrors++ ; Console.WriteLine("Exception receiving Teleportation: " + e.Message + Environment.NewLine + e.StackTrace); m_PortSetEvent.Set(); } finally { if (listener != null) { listener.Stop(); } if (ns != null) { ns.Close(); } if(br != null) { br.Close(); } } //finally }