Server/Client servers

Question

How can i send files from a server to a client in visual studio. for example i may have a project that makes people run across the screen and i want to send that to the client so it will operate on there computer. any help is appreciated.

spencer20012 · Answer

ok will try thanks a lot 4 your help!!

jiggleslupiniv · Answer

Try this code of C# Server.cs 1 // Fig. 22.1: Server.cs 2 // Set up a Server that will receive a connection from a client, 3 // send a string to the client, and close the connection. 4 5 using System; 6 using System.Drawing; 7 using System.Collections; 8 using System.ComponentModel; 9 using System.Windows.Forms; 10 using System.Threading; 11 using System.Net.Sockets; 12 using System.IO; 13 14 // server that awaits client connections (one at a time) and 15 // allows a conversation between client and server 16 public class Server : System.Windows.Forms.Form 17 { 18 private System.Windows.Forms.TextBox inputTextBox; 19 private System.Windows.Forms.TextBox displayTextBox; 20 private Socket connection; 21 private Thread readThread; 22 23 private System.ComponentModel.Container components = null; 24 private NetworkStream socketStream; 25 private BinaryWriter writer; 26 private BinaryReader reader; 27 28 // default constructor 29 public Server() 30 { 31 InitializeComponent(); 32 Server.cs 33 // create a new thread from the server 34 readThread = new Thread( new ThreadStart( RunServer ) ); 35 readThread.Start(); 36 } 37 38 // Visual Studio .NET generated code 39 40 [STAThread] 41 static void Main() 42 { 43 Application.Run( new Server() ); 44 } 45 46 protected void Server_Closing( 47 object sender, CancelEventArgs e ) 48 { 49 System.Environment.Exit( System.Environment.ExitCode ); 50 } 51 52 // sends the text typed at the server to the client 53 protected void inputTextBox_KeyDown( 54 object sender, KeyEventArgs e ) 55 { 56 // sends the text to the client 57 try 58 { 59 if ( e.KeyCode == Keys.Enter && connection != null ) 60 { 61 writer.Write( "SERVER>>> " + inputTextBox.Text ); 62 63 displayTextBox.Text += 64 "
SERVER>>> " + inputTextBox.Text; 65 Server.cs 66 // if the user at the server signaled termination 67 // sever the connection to the client 68 if ( inputTextBox.Text == "TERMINATE" ) 69 connection.Close(); 70 71 inputTextBox.Clear(); 72 } 73 } 74 catch ( SocketException ) 75 { 76 displayTextBox.Text += "
Error writing object"; 77 } 78 } // inputTextBox_KeyDown 79 80 // allows a client to connect and displays the text it sends 81 public void RunServer() 82 { 83 TcpListener listener; 84 int counter = 1; 85 86 // wait for a client connection and display the text 87 // that the client sends 88 try 89 { 90 // Step 1: create TcpListener 91 listener = new TcpListener( 5000 ); 92 93 // Step 2: TcpListener waits for connection request 94 listener.Start(); 95 96 // Step 3: establish connection upon client request 97 while ( true ) 98 { 99 displayTextBox.Text = "Waiting for connection
"; 100 Server.cs 101 // accept an incoming connection 102 connection = listener.AcceptSocket(); 103 104 // create NetworkStream object associated with socket 105 socketStream = new NetworkStream( connection ); 106 107 // create objects for transferring data across stream 108 writer = new BinaryWriter( socketStream ); 109 reader = new BinaryReader( socketStream ); 110 111 displayTextBox.Text += "Connection " + counter + 112 " received.
"; 113 114 // inform client that connection was successfull 115 writer.Write( "SERVER>>> Connection successful" ); 116 117 inputTextBox.ReadOnly = false; 118 string theReply = ""; 119 120 // Step 4: read String data sent from client 121 do 122 { 123 try 124 { 125 // read the string sent to the server 126 theReply = reader.ReadString(); 127 128 // display the message 129 displayTextBox.Text += "
" + theReply; 130 } 131 Server.cs 132 // handle exception if error reading data 133 catch ( Exception ) 134 { 135 break; 136 } 137 138 } while ( theReply != "CLIENT>>> TERMINATE" && 139 connection.Connected ); 140 141 displayTextBox.Text += 142 "
User terminated connection"; 143 144 // Step 5: close connection 145 inputTextBox.ReadOnly = true; 146 writer.Close(); 147 reader.Close(); 148 socketStream.Close(); 149 connection.Close(); 150 151 ++counter; 152 } 153 } // end try 154 155 catch ( Exception error ) 156 { 157 MessageBox.Show( error.ToString() ); 158 } 159 160 } // end method RunServer 161 162 } // end class Server Client.cs 1 // Fig. 22.2: Client.cs 2 // Set up a Client that will read information sent from a Server 3 // and display the information. 4 5 using System; 6 using System.Drawing; 7 using System.Collections; 8 using System.ComponentModel; 9 using System.Windows.Forms; 10 using System.Threading; 11 using System.Net.Sockets; 12 using System.IO; 13 14 // connects to a chat server 15 public class Client : System.Windows.Forms.Form 16 { 17 private System.Windows.Forms.TextBox inputTextBox; 18 private System.Windows.Forms.TextBox displayTextBox; 19 20 private NetworkStream output; 21 private BinaryWriter writer; 22 private BinaryReader reader; 23 24 private string message = ""; 25 26 private Thread readThread; 27 28 private System.ComponentModel.Container components = null; 29 Client.cs 30 // default constructor 31 public Client() 32 { 33 InitializeComponent(); 34 35 readThread = new Thread( new ThreadStart( RunClient ) ); 36 readThread.Start(); 37 } 38 39 // Visual Studio .NET-generated code 40 41 [STAThread] 42 static void Main() 43 { 44 Application.Run( new Client() ); 45 } 46 47 protected void Client_Closing( 48 object sender, CancelEventArgs e ) 49 { 50 System.Environment.Exit( System.Environment.ExitCode ); 51 } 52 53 // sends text the user typed to server 54 protected void inputTextBox_KeyDown ( 55 object sender, KeyEventArgs e ) 56 { 57 try 58 { 59 if ( e.KeyCode == Keys.Enter ) 60 { 61 writer.Write( "CLIENT>>> " + inputTextBox.Text ); 62 Client.cs 63 displayTextBox.Text += 64 "
CLIENT>>> " + inputTextBox.Text; 65 66 inputTextBox.Clear(); 67 } 68 } 69 catch ( SocketException ioe ) 70 { 71 displayTextBox.Text += "
Error writing object"; 72 } 73 74 } // end method inputTextBox_KeyDown 75 76 // connect to server and display server-generated text 77 public void RunClient() 78 { 79 TcpClient client; 80 81 // instantiate TcpClient for sending data to server 82 try 83 { 84 displayTextBox.Text += "Attempting connection
"; 85 86 // Step 1: create TcpClient and connect to server 87 client = new TcpClient(); 88 client.Connect( "localhost", 5000 ); 89 90 // Step 2: get NetworkStream associated with TcpClient 91 output = client.GetStream(); 92 93 // create objects for writing and reading across stream 94 writer = new BinaryWriter( output ); 95 reader = new BinaryReader( output ); 96 Client.cs 97 displayTextBox.Text += "
Got I/O streams
"; 98 99 inputTextBox.ReadOnly = false; 100 101 // loop until server signals termination 102 do 103 { 104 105 // Step 3: processing phase 106 try 107 { 108 // read message from server 109 message = reader.ReadString(); 110 displayTextBox.Text += "
" + message; 111 } 112 113 // handle exception if error in reading server data 114 catch ( Exception ) 115 { 116 System.Environment.Exit( 117 System.Environment.ExitCode ); 118 } 119 } while( message != "SERVER>>> TERMINATE" ); 120 121 displayTextBox.Text += "
Closing connection.
"; 122 123 // Step 4: close connection 124 writer.Close(); 125 reader.Close(); 126 output.Close(); 127 client.Close(); 128 Application.Exit(); 129 } 130 Client.cs 131 // handle exception if error in establishing connection 132 catch ( Exception error ) 133 { 134 MessageBox.Show( error.ToString() ); 135 } 136 137 } // end method RunClient 138 139 } // end class Client

Server/Client servers

Answers (2)