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

namespace IStation
{
    public static class TcpHelper
    {
        private const string _separator = ":";//IP与Port的分隔符

        /// <summary>
        /// 获取远程连接的IP地址
        /// </summary>
        /// <param name="tcpClient"></param>
        /// <returns></returns>
        public static string GetRemoteIP(this TcpClient tcpClient)
        {
            return tcpClient.GetRemoteIPAndPort().IP;
        }

        /// <summary>
        /// 获取远程连接的Port
        /// </summary>
        /// <param name="tcpClient"></param>
        /// <returns></returns>
        public static int GetRemotePort(this TcpClient tcpClient)
        {
            return tcpClient.GetRemoteIPAndPort().Port;
        }

        /// <summary>
        /// 获取IP和Port
        /// </summary>
        /// <param name="tcpClient"></param>
        /// <returns></returns>
        public static TcpIPAndPort GetRemoteIPAndPort(this TcpClient tcpClient)
        {
            var ipAndPort = tcpClient.Client.RemoteEndPoint.ToString();
            var arr = ipAndPort.Split(new string[] { _separator }, StringSplitOptions.RemoveEmptyEntries);
            return new TcpIPAndPort(arr[0],Convert.ToInt32(arr[1]));
        }





    }
}