iot/projects/IoTNode/DeviceServices/LiChuang/LCDAUE800DService.cs

using Infrastructure.Extensions;
using Microsoft.AspNetCore.Hosting;
using System;
using System.Net;
using System.Net.Sockets;
using System.Threading;
using System.Threading.Tasks;

namespace IoTNode.DeviceServices.LiChuang
{
    public class LCDAUE800DService : BaseDeviceService
    {
        private TcpListener _listener;

        private CancellationToken _cancellationToken;

        public LCDAUE800DService(IServiceProvider applicationServices, IWebHostEnvironment env)
            : base(applicationServices, env)
        {
        }

        public override Task StartAsync(CancellationToken cancellationToken)
        {
            this._env.Debug("~~start");
            this._cancellationToken = cancellationToken;
            return base.StartAsync(cancellationToken);
        }

        public override void Execute()
        {
            this._env.Debug("lc exec");
            try
            {
                if (this._listener == null)
                {
                    this._listener = new TcpListener(IPAddress.Any, 7000);
                    this._listener.Start();
                    Task.Run(() =>
                    {
                        try
                        {
                            while (!this._cancellationToken.IsCancellationRequested)
                            {
                                var client = _listener.AcceptTcpClient();
                                Task.Run(() =>
                                {
                                    new ClientWraper(_applicationServices, this, client).Run();
                                });
                            }
                        }
                        catch (Exception ex)
                        {
                            ex.PrintStack();
                        }
                    });
                }
            }
            catch (Exception ex)
            {
                this._listener = null;
                ex.PrintStack();
            }
        }

        public override Task StopAsync(CancellationToken cancellationToken)
        {
            this._env.Debug("lc end");
            return base.StopAsync(cancellationToken);
        }
    }
}