Кто-нибудь работал с сокетами в Silverlight? Сделал одну тестовую программу, не получается подконнектиться к веб-серверу | Код |
internal sealed class SocketClient : IDisposable
{
private const int Receive = 1;
private const int Send = 0;
private bool isConnected = false;
private Socket socket;
private DnsEndPoint endPoint;
private static AutoResetEvent autoEvent = new AutoResetEvent(false);
private static AutoResetEvent[] autoSendReceiveEvents = new AutoResetEvent[2] { new AutoResetEvent(false), new AutoResetEvent(false) };
internal SocketClient(string host, int port)
{
endPoint = new DnsEndPoint(host, port);
socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
}
internal void Connect()
{
SocketAsyncEventArgs args = new SocketAsyncEventArgs();
args.UserToken = socket;
args.RemoteEndPoint = endPoint;
args.Completed += new EventHandler<SocketAsyncEventArgs>(OnConnect);
socket.ConnectAsync(args);
autoEvent.WaitOne();
if (args.SocketError != SocketError.Success)
throw new SocketException((int)args.SocketError);
}
internal void Disconnect()
{
socket.Close();
}
#region Events
private void OnConnect(object sender, SocketAsyncEventArgs e)
{
autoEvent.Set();
isConnected = (e.SocketError == SocketError.Success);
}
private void OnReceive(object sender, SocketAsyncEventArgs e)
{
autoSendReceiveEvents[Send].Set();
}
private void OnSend(object sender, SocketAsyncEventArgs e)
{
autoSendReceiveEvents[Receive].Set();
if (e.SocketError == SocketError.Success)
{
if (e.LastOperation == SocketAsyncOperation.Send)
{
Socket handler = e.UserToken as Socket;
byte[] responce = new byte[255];
e.SetBuffer(responce, 0, responce.Length);
e.Completed += new EventHandler<SocketAsyncEventArgs>(OnReceive);
handler.ReceiveAsync(e);
}
}
else
ProcessError(e);
}
#endregion
private void ProcessError(SocketAsyncEventArgs e)
{
Socket handler = e.UserToken as Socket;
if (handler.Connected)
{
try
{
handler.Shutdown(SocketShutdown.Both);
}
catch (Exception)
{
}
finally
{
if (handler.Connected)
handler.Close();
}
}
throw new SocketException((int)e.SocketError);
}
internal string SendReceive(string message)
{
if (isConnected)
{
byte[] bytes = Encoding.GetEncoding("cp1251").GetBytes(message);
SocketAsyncEventArgs args = new SocketAsyncEventArgs();
args.SetBuffer(bytes, 0, bytes.Length);
args.UserToken = socket;
args.RemoteEndPoint = endPoint;
args.Completed += new EventHandler<SocketAsyncEventArgs>(OnSend);
socket.SendAsync(args);
AutoResetEvent.WaitAll(autoSendReceiveEvents);
return Encoding.GetEncoding("cp1251").GetString(args.Buffer, args.Offset, args.BytesTransferred);
}
else
throw new SocketException((int)SocketError.NotConnected);
}
public void Dispose()
{
autoEvent.Close();
autoSendReceiveEvents[Send].Close();
autoSendReceiveEvents[Receive].Close();
if (socket.Connected)
socket.Close();
}
}
public partial class Page : UserControl
{
private SocketClient clntSocket;
public Page()
{
InitializeComponent();
clntSocket = new SocketClient("127.0.0.1", 8008);
}
private void btnConnect_Click(object sender, RoutedEventArgs e)
{
clntSocket.Connect();
}
private void btnSend_Click(object sender, RoutedEventArgs e)
{
txtInfo.Text = clntSocket.SendReceive("Hello Server");
}
private void btnReceive_Click(object sender, RoutedEventArgs e)
{
}
private void btnStop_Click(object sender, RoutedEventArgs e)
{
clntSocket.Disconnect();
}
}
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Арт-менеджер клуба, разрешивший концерт Алексея Глызина, уволен с формулировкой "Мудак" |
Сокеты SilverLight, как? 
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