public int CreateSocket(IPEndPoint ipEP, int index1, int index2)
{
NetworkInterface[] interfaces = NetworkInterface.GetAllNetworkInterfaces();
UnicastIPAddressInformationCollection ipInf = interfaces[index1].GetIPProperties().UnicastAddresses;
IPAddress localAddress = ipInf[index2].Address;
Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
try {
socket.Bind(new IPEndPoint(localAddress, ipEP.Port));
} catch (Exception) { return(-1); }
MulticastOption mcastOpt = new MulticastOption(ipEP.Address, localAddress);
socket.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.AddMembership, mcastOpt);
socket.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.MulticastInterface, 0);
UdpGroupSocketObject socketObj = new UdpGroupSocketObject();
socketObj.socket = socket;
socketObj.remoteIpEP = ipEP;
socketObj.DisplayName = GetDisplayName(ipEP);
socketObj.Parent = this;
socketObj.Children = null;
socketObjs.Add(socketObj);
AsynchronousSocketListener.StartRead(socketObj);
return(0);
}
public int CreateSocket(IPEndPoint remoteIpEP, int localPort)
{
Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
try {
socket.Bind(new IPEndPoint(IPAddress.Any, localPort));
} catch (Exception) { return(-1); }
socket.EnableBroadcast = true;
UdpClientSocketObject socketObj = new UdpClientSocketObject();
socketObj.socket = socket;
socketObj.Children = null; // 不显示隐藏的3级节点
socketObj.remoteIpEP = remoteIpEP;
socketObj.DisplayName = GetDisplayName(socketObj.remoteIpEP);
socketObj.Parent = this;
socketObjs.Add(socketObj);
AsynchronousSocketListener.StartRead(socketObj);
return(0);
}
private void Connect(TcpClientSocketObject socketObj)
{
Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
socketObj.socket = socket;
socketObj.connectDone.Reset();
var ar = socketObj.socket.BeginConnect(socketObj.remoteIpEP, AsynchronousSocketListener.connectCallback, socketObj);
try {
if (socketObj.connectDone.WaitOne(400))
{
if (socketObj.socket.Connected)
{
AsynchronousSocketListener.StartRead(socketObj);
}
}
else
{
socketObj.socket.EndConnect(ar);
}
} catch (Exception) {
}
}
