static private void ProcessReceive(SocketRemoteEndPoint sre)
{
while (true)
{
byte[] recMsgByte = new byte[4096];
int recLen;
try
{
recLen = sre.LocalSocket.ReceiveFrom(recMsgByte, 0, recMsgByte.Length, SocketFlags.None, ref sre.RemoteEndPoint);
}
catch (SocketException se)
{
Console.WriteLine("接收消息失败：{0}", se.SocketErrorCode.ToString());
break;
}
if (Console.KeyAvailable)
{
break;
}
}
}
static public void Run()
{
Console.WriteLine("本地IP:");
string ipStr = Console.ReadLine();
IPAddress localIP;
if (!IPAddress.TryParse(ipStr, out localIP))
{
Console.WriteLine("IP地址[{0}]无效。", ipStr);
return;
}
Console.WriteLine("本地Port:");
string portStr = Console.ReadLine();
ushort localPort;
if (!ushort.TryParse(portStr, out localPort))
{
Console.WriteLine("端口[{0}]无效。", portStr);
return;
}
Console.WriteLine("远程IP:");
ipStr = Console.ReadLine();
IPAddress remoteIP;
if (!IPAddress.TryParse(ipStr, out remoteIP))
{
Console.WriteLine("IP地址[{0}]无效。", ipStr);
return;
}
Console.WriteLine("远程Port:");
portStr = Console.ReadLine();
ushort remotePort;
if (!ushort.TryParse(portStr, out remotePort))
{
Console.WriteLine("端口[{0}]无效。", portStr);
return;
}
IPEndPoint localEndPoint = new IPEndPoint(localIP, localPort);
IPEndPoint remoteEndPoint = new IPEndPoint(remoteIP, remotePort);
Socket socket = new Socket(AddressFamily.InterNetwork,
SocketType.Dgram, ProtocolType.Udp);
try
{
socket.Bind(localEndPoint);
}
catch (SocketException se)
{
Console.WriteLine("绑定本地地址失败：{0}", se.SocketErrorCode.ToString());
return;
}
SocketRemoteEndPoint sre = new SocketRemoteEndPoint();
sre.LocalSocket = socket;
sre.RemoteEndPoint = remoteEndPoint;
Thread thread = new Thread(new ParameterizedThreadStart(ProcessReceive));
thread.IsBackground = true;
thread.Start(sre);
while (true)
{
Console.WriteLine("请输入信息：");
string msg = Console.ReadLine();
byte[] msgByte = System.Text.Encoding.UTF8.GetBytes(msg);
try
{
socket.SendTo(msgByte, 0, msgByte.Length, SocketFlags.None, remoteEndPoint);
}
catch (SocketException se)
{
Console.WriteLine("发送消息失败：{0}", se.SocketErrorCode.ToString());
break;
}
if (Console.KeyAvailable)
{
break;
}
}
}
