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

namespace TCPIPTest
{
    internal class Program
    {
        [DllImport("winmm.dll")]
        static extern uint timeBeginPeriod(uint period);
        static void Main(string[] args)
        {
            bool ISfrist = true;
            timeBeginPeriod(1);
            TcpClientClass tcpClient = new TcpClientClass();
            Console.WriteLine("TCPIP测试程序,请输入服务端IP地址：");
            string serverIp = Console.ReadLine();
            //const string serverIp = "192.168.1.10";
            Console.WriteLine("TCPIP测试程序,请输入服务端端口：");
            int port = Convert.ToInt32(Console.ReadLine());
            //const int port = 502;
            //const string serverIp = "127.0.0.1";
            //const int port = 8080;
            if(tcpClient.CreatTcpClient(serverIp, port))
            {
                Console.WriteLine("已连接到服务器");
            }
            else
            {
                Console.WriteLine("无法连接到服务器");
                Console.ReadKey();
                return;
            }
            DateTime starttime = new DateTime();
            DateTime endtime = new DateTime();
            TimeSpan time = new TimeSpan();
            TimeSpan MaxTime = TimeSpan.MinValue;
            int Timeslow4 = 0;
            int TimesIn4_6 = 0;
            int TimesIn6_8 = 0;
            int TimesUp8 = 0;
            int count = -1;
            while (true)
            {
                if (count < 0)
                {
                    if(!ISfrist)
                    {
                        // 发送消息
                        Console.WriteLine($"最大耗时: {MaxTime.TotalMilliseconds}ms");
                        Console.WriteLine($"耗时小于4ms的次数:{Timeslow4}");
                        Console.WriteLine($"耗时大于4ms且小于6ms的次数:{TimesIn4_6}");
                        Console.WriteLine($"耗时大于6ms且小于8ms的次数:{TimesIn6_8}");
                        Console.WriteLine($"耗时大于8ms的次数:{TimesUp8}");
                        Timeslow4 = TimesIn4_6 = TimesIn6_8 = TimesUp8 = 0;
                    }
                    else
                    {
                        ISfrist = false;
                    }
                    Console.Write("输入消息 (输入exit退出): ");
                    string message = Console.ReadLine();
                    if (message.ToLower() == "exit") break;
                    count = Convert.ToInt32(message) -1;
                }
                ushort sendmessage = new ushort();
                sendmessage |= (ushort)(1 << count % 8);
                starttime = DateTime.Now;
                tcpClient.SendMessage(sendmessage);
                count--;
                Thread.Sleep(2);
                byte[] data = tcpClient.ReadMessage();
                endtime = DateTime.Now;
                Console.WriteLine($"{DateTime.Now.ToString("O")}服务器响应:{data[0]},{data[1]}");
                time  = endtime - starttime;
                if (time.TotalMilliseconds < 4)
                {
                    Timeslow4++;
                }
                else if(time.TotalMilliseconds>=4 && time.TotalMilliseconds < 6)
                {
                    TimesIn4_6++;
                }
                else if (time.TotalMilliseconds >= 6 && time.TotalMilliseconds < 8)
                {
                    TimesIn6_8++;
                }
                else if (time.TotalMilliseconds >= 8 )
                {
                    TimesUp8++;
                }
                Console.WriteLine($"耗时: {time.TotalMilliseconds}ms");
                MaxTime = MaxTime>time?MaxTime:time;
            }
        }
    }
}