private void ShowUDPServerView()
{
UDPServerModel p1 = (UDPServerModel)socketModels[status.index1];
UdpServerSocketObject p2 = (UdpServerSocketObject)p1.Children[status.index2];
TLlocalPort.Visibility = Visibility.Visible;
TlocalPort.Visibility = Visibility.Visible;
TlocalPort.Text = ((IPEndPoint)p2.socket.LocalEndPoint).Port.ToString();
if (status.index3 != -1)
{
BTCConnect.Visibility = Visibility.Visible;
BTCConnect.IsEnabled = true;
BTCConnect.Content = "删除";
TLremoteIP.Visibility = Visibility.Visible;
TremoteIP.Visibility = Visibility.Visible;
TLremotePort.Visibility = Visibility.Visible;
TremotePort.Visibility = Visibility.Visible;
RemoteSocketObject p3 = (RemoteSocketObject)p2.Children[status.index3];
TremoteIP.Text = ((IPEndPoint)p3.remoteEP).Address.ToString();
TremotePort.Text = ((IPEndPoint)p3.remoteEP).Port.ToString();
}
}
protected void StartRead(UdpServerSocketObject socketObj)
{
RemoteSocketObject listenSocketObj = new RemoteSocketObject();
listenSocketObj.socket = socketObj.socket;
listenSocketObj.Parent = socketObj;
socketObj.listenSocketObj = listenSocketObj;
EndPoint tempEP = (EndPoint)(new IPEndPoint(IPAddress.Any, 0));
var ar = listenSocketObj.socket.BeginReceiveFrom(listenSocketObj.buffer, 0, RemoteSocketObject.BufferSize, 0,
ref tempEP, new AsyncCallback(AsynchronousSocketListener.UDPServerReadCallback), listenSocketObj);
}
// callback函数
internal static void UDPServerReadCallback(IAsyncResult ar)
{
RemoteSocketObject listenSocketObj = (RemoteSocketObject)ar.AsyncState;
Socket handler = listenSocketObj.socket;
EndPoint remoteEndPoint = new IPEndPoint(IPAddress.Any, 0);
try {
int recvCnt = handler.EndReceiveFrom(ar, ref remoteEndPoint);
if (recvCnt > 0)
{
SocketData recvData = new SocketData();
recvData.time = DateTime.Now;
recvData.type = 0;
recvData.data = listenSocketObj.buffer.GetBytes(recvCnt);
UdpServerSocketObject parent = (UdpServerSocketObject)listenSocketObj.Parent;
RemoteSocketObject dstObj = null;
foreach (var c in parent.remoteSocketObjs)
{
if (((RemoteSocketObject)c).remoteEP.ToString() == remoteEndPoint.ToString())
{
dstObj = (RemoteSocketObject)c;
break;
}
}
if (dstObj == null)
{
dstObj = new RemoteSocketObject();
dstObj.socket = handler;
dstObj.Parent = listenSocketObj.Parent;
dstObj.remoteEP = remoteEndPoint;
dstObj.DisplayName = SocketModel.GetDisplayName(dstObj.remoteEP);
dstObj.Icon = IconResources.ICON_CLIENT;
((SocketObject)dstObj.Parent).remoteSocketObjs.Add(dstObj);
}
dstObj.dataList.Add(recvData);
dstObj.sb.Append(dstObj.genRecvString(recvData));
OnRecv(new RecvEventArgs(dstObj));
EndPoint tempEP = (EndPoint)(new IPEndPoint(IPAddress.Any, 0));
handler.BeginReceiveFrom(listenSocketObj.buffer, 0, RemoteSocketObject.BufferSize, 0,
ref tempEP, new AsyncCallback(UDPServerReadCallback), listenSocketObj);
}
else
{
}
} catch (Exception) {
}
}
public int CreateSocket(int port)
{
Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
try {
socket.Bind(new IPEndPoint(IPAddress.Any, port));
} catch (Exception) { return(-1); }
UdpServerSocketObject socketObj = new UdpServerSocketObject();
socketObj.socket = socket;
socketObj.remoteIpEP = new IPEndPoint(IPAddress.Any, port);
socketObj.DisplayName = GetDisplayName(socketObj.remoteIpEP);
socketObj.Parent = this;
socketObjs.Add(socketObj);
StartRead(socketObj);
return(0);
}
