AIParkingApplication/AIParkingApplication/StatusBar.cs

using System;
using System.Drawing;
using System.Threading;
using System.Windows.Forms;

namespace AIParkingApplication
{
    public partial class StatusBar : UserControl
    {
        private string webServerIP;
        private string doorAccessControlDeviceIP;
        private TimeSpan updateInterval;

        public StatusBar(string webServerIP, string doorAccessControlDeviceIP, TimeSpan updateInterval)
        {
            InitializeComponent();
            this.webServerIP = webServerIP;
            this.doorAccessControlDeviceIP = doorAccessControlDeviceIP;
            this.updateInterval = updateInterval;
            Thread thrStatus = new Thread(new ThreadStart(UpdateStatus));
            thrStatus.IsBackground = true;
            thrStatus.Start();
        }

        private void UpdateStatus()
        {
            while (true)
            {
                if (IsHandleCreated)
                {
                    lblDateTime.UpdateLabel(DateTime.Now.ToString(AppConstant.DATETIME_FORMAT));

                    PingResult pingDoorAccessControlResult = GetPingStatus(doorAccessControlDeviceIP);
                    lblPingTimeC3.UpdateLabel($"{pingDoorAccessControlResult.ReplyTime} ms", pingDoorAccessControlResult.BackColor, pingDoorAccessControlResult.ForeColor);

                    PingResult pingWebServerResult = GetPingStatus(webServerIP);
                    lblPingTimeServer.UpdateLabel($"{pingWebServerResult.ReplyTime} ms", pingWebServerResult.BackColor, pingWebServerResult.ForeColor);
                }
                Thread.Sleep(updateInterval);
            }
        }

        private PingResult GetPingStatus(string ipAddress)
        {
            PingResult pingResult = new PingResult();
            bool isPingable;
            isPingable = Util.IsPingable(ipAddress, out long replyTime);
            if (isPingable)
            {
                switch (replyTime)
                {
                    case long n when (n >= 0 && n < 1):
                        pingResult.ReplyTime = 1;
                        pingResult.BackColor = Color.Green;
                        break;
                    case long n when (n >= 1 && n < 50):
                        pingResult.ReplyTime = replyTime;
                        pingResult.BackColor = Color.Green;
                        break;
                    case long n when (n >= 50):
                        pingResult.ReplyTime = replyTime;
                        pingResult.BackColor = Color.Red;
                        break;
                }
            }
            else
            {
                pingResult.ReplyTime = 0;
                pingResult.BackColor = Color.Gray;
            }
            return pingResult;
        }

        private class PingResult
        {
            public long ReplyTime { get; set; }
            public Color BackColor { get; set; }
            public Color ForeColor { get; set; }
        }
    }
}