// Add the given connection to our list of clients
// Send a welcome to the new client, Setup a callback to receive data
public void NewConnection(Socket sockClient)
{
CSocketClient client = new CSocketClient(sockClient);
clientsList.Add(client);
// Get current date and time.
DateTime now = DateTime.Now;
String strDateLine = "Welcome " + now.ToString("G") + "\n\r";
//AppendToJoinLabel(client.Sock.RemoteEndPoint + " Welcome");
// Convert to byte array and send.
Byte[] byteDateLine = System.Text.Encoding.ASCII.GetBytes(strDateLine.ToCharArray());
client.Sock.Send(byteDateLine, byteDateLine.Length, 0);
client.SetupReceiveCallback(this);
}
// Get the new data and send it out to all other connections.
// Note: If no data was received the connection has probably died.
public void OnReceivedData(IAsyncResult ar)
{
CSocketClient client = (CSocketClient)ar.AsyncState;
byte[] clientData = client.GetReceivedData(ar);
// If no data was received then the connection is probably dead
if (clientData.Length < 1)
{
CatchErrorMessageBox(client.Sock.RemoteEndPoint.ToString() + "Connection Lost");
client.Sock.Close();
clientsList.Remove(client);
return;
}
//valid data
var str = Encoding.Default.GetString(clientData);
AppendToTextBox(str);
// Send the received data to all clients (including sender for echo)
foreach (CSocketClient clientSend in clientsList)
{
try
{
clientSend.Sock.Send(clientData);
}
catch
{
// If the send fails the close the connection
CatchErrorMessageBox(client.Sock.RemoteEndPoint.ToString() + "failed to send");
clientSend.Sock.Close();
clientsList.Remove(client);
return;
}
}
client.SetupReceiveCallback(this);
}