using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Threading.Tasks;

namespace IPCLib
{
    public static class PortHelper
   {
        public static int FindAvailablePort(int startPort = 9000, int maxRetry = 100)
        {
            for (int i = 0; i < maxRetry; i++)
            {
                int port = startPort + i;
                try
                {
                    var listener = new TcpListener(IPAddress.Loopback, port);
                    listener.Start();
                    listener.Stop();
                    return port;
                }
                catch (SocketException) { }
            }
            throw new Exception("无法找到可用端口");
        }
    }
}