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| using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Threading;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;
using System.Net.Sockets;
using System.Net;
namespace Lithium
{
/// <summary>
/// Логика взаимодействия для Window1.xaml
/// </summary>
public partial class ChatWindow : Window
{
public ChatWindow()
{
InitializeComponent();
}
private delegate void TextChanger();
Socket client = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
private void Button_Click_1(object sender, RoutedEventArgs e)
{
Send(client, "This is a test<EOF>");
}
public void ShowMessage(string message)
{
Thread mChanger = new Thread(new ThreadStart(delegate() { this.ChangeTextProperly(message); }));
mChanger.Start();
}
public class StateObject
{
// Client socket.
public Socket workSocket = null;
// Size of receive buffer.
public const int BufferSize = 256;
// Receive buffer.
public byte[] buffer = new byte[BufferSize];
// Received data string.
public StringBuilder sb = new StringBuilder();
}
private void ChangeTextProperly(string msg)
{
if (ClientBox.Dispatcher.CheckAccess())
{
ClientBox.AppendText(msg);
return;
}
else
{
ClientBox.Dispatcher.BeginInvoke(DispatcherPriority.Normal, new TextChanger(delegate() { this.ChangeTextProperly(msg); }));
}
}
private const int port = 11000;
bool ConnectionDone = false;
// The response from the remote device.
private static String response = String.Empty;
public void StartClient()
{
// Connect to a remote device.
try
{
IPAddress ipAddress = IPAddress.Parse("172.17.135.60");
IPEndPoint remoteEP = new IPEndPoint(ipAddress, port);
//Socket client = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
// Connect to the remote endpoint.
client.BeginConnect(remoteEP, new AsyncCallback(ConnectCallback), client);
if (ConnectionDone == true)
{
// Receive the response from the remote device.
//Receive(client);
ShowMessage("Response received : " + response);
// Release the socket.
//client.Shutdown(SocketShutdown.Both);
//client.Close();
}
}
catch (Exception e)
{
ShowMessage(e.ToString());
}
}
private void ConnectCallback(IAsyncResult ar)
{
try
{
// Retrieve the socket from the state object.
Socket client = (Socket)ar.AsyncState;
// Complete the connection.
client.EndConnect(ar);
ShowMessage("Socket connected to " + client.RemoteEndPoint.ToString());
// Signal that the connection has been made.
ConnectionDone = true;
}
catch (Exception e)
{
ReconnectInTime(5000);
ShowMessage(e.ToString());
}
}
private void Receive(Socket client)
{
try
{
// Create the state object.
StateObject state = new StateObject();
state.workSocket = client;
// Begin receiving the data from the remote device.
client.BeginReceive(state.buffer, 0, StateObject.BufferSize, 0, new AsyncCallback(ReceiveCallback), state);
}
catch (Exception e)
{
ShowMessage(e.ToString());
}
}
private void ReceiveCallback(IAsyncResult ar)
{
try
{
// Retrieve the state object and the client socket
// from the asynchronous state object.
StateObject state = (StateObject)ar.AsyncState;
Socket client = state.workSocket;
// Read data from the remote device.
int bytesRead = client.EndReceive(ar);
if (bytesRead > 0)
{
// There might be more data, so store the data received so far.
state.sb.Append(Encoding.ASCII.GetString(state.buffer, 0, bytesRead));
// Get the rest of the data.
client.BeginReceive(state.buffer, 0, StateObject.BufferSize, 0, new AsyncCallback(ReceiveCallback), state);
}
else
{
// All the data has arrived; put it in response.
if (state.sb.Length > 1)
{
response = state.sb.ToString();
}
Receive(client);
}
}
catch (Exception e)
{
ShowMessage(e.ToString());
}
}
private void Send(Socket client, String data)
{
// Convert the string data to byte data using ASCII encoding.
byte[] byteData = Encoding.ASCII.GetBytes(data);
// Begin sending the data to the remote device.
client.BeginSend(byteData, 0, byteData.Length, 0, new AsyncCallback(SendCallback), client);
}
private void SendCallback(IAsyncResult ar)
{
try
{
// Retrieve the socket from the state object.
Socket client = (Socket)ar.AsyncState;
// Complete sending the data to the remote device.
int bytesSent = client.EndSend(ar);
ShowMessage("Sent" + bytesSent + "to server.");
// Signal that all bytes have been sent.
}
catch (Exception e)
{
ShowMessage(e.ToString());
}
}
private void Button_Click_2(object sender, RoutedEventArgs e)
{
ServerWindow srw = new ServerWindow();
srw.Show();
}
private void Button_Loaded_1(object sender, RoutedEventArgs e)
{
this.StartClient();
}
private void Lit_Loaded(object sender, RoutedEventArgs e)
{
ClientBox.Document.Blocks.Clear();
NameBox.Document.Blocks.Clear();
ClientBox.IsReadOnly = true;
NameBox.IsReadOnly = true;
this.StartClient();
}
public void ReconnectInTime(Int32 Time)
{
Timer tmer = new Timer(TimerCallback, null, Time, System.Threading.Timeout.Infinite);
}
void TimerCallback(object param)
{
this.StartClient();
}
}
} |
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