private void ReceiveData(IAsyncResult asyncResult)
{
try
{
byte[] data;
Packet receivedData = new Packet(dataStream);
Packet sendData = new Packet();
IPEndPoint clients = new IPEndPoint(IPAddress.Any, 0);
EndPoint epSender = clients;
serverSocket.EndReceiveFrom(asyncResult, ref epSender);
sendData.ChatDataId = receivedData.ChatDataId;
sendData.ChatName = receivedData.ChatName;
switch (receivedData.ChatDataId)
{
case DataId.Message:
sendData.ChatMessage = string.Format("{0}: {1}", receivedData.ChatName, receivedData.ChatMessage);
break;
case DataId.LogIn:
Client client = new Client();
client.endPoint = epSender;
client.name = receivedData.ChatName;
clientList.Add(client);
sendData.ChatMessage = string.Format("-- {0} is online --", receivedData.ChatName);
break;
case DataId.LogOut:
foreach (Client c in clientList)
{
if (c.endPoint.Equals(epSender))
{
clientList.Remove(c);
break;
}
}
sendData.ChatMessage = string.Format("-- {0} has gone offline --", receivedData.ChatName);
break;
}
data = sendData.GetDataStream();
foreach (Client client in clientList)
{
if (client.endPoint != epSender || sendData.ChatDataId != DataId.LogIn)
{
serverSocket.BeginSendTo(data, 0, data.Length, SocketFlags.None, client.endPoint, new AsyncCallback(SendData), client.endPoint);
}
}
serverSocket.BeginReceiveFrom(dataStream, 0, dataStream.Length, SocketFlags.None, ref epSender, new AsyncCallback(ReceiveData), epSender);
updateStatusDelegate(sendData.ChatMessage);
}
catch (Exception ex)
{
MessageBox.Show("ReceiveData Error: " + ex.Message, "Server Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}