Elight.Utility/EasyModBus/TCPHandler.cs

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using System;
using System.Collections.Generic;
using System.Net;
using System.Net.Sockets;

namespace EasyModbus
{
	internal class TCPHandler
	{
		public delegate void DataChanged(object networkConnectionParameter);

		public delegate void NumberOfClientsChanged();

		internal class Client
		{
			private readonly TcpClient tcpClient;

			private readonly byte[] buffer;

			public long Ticks
			{
				get;
				set;
			}

			public TcpClient TcpClient => tcpClient;

			public byte[] Buffer => buffer;

			public NetworkStream NetworkStream => tcpClient.GetStream();

			public Client(TcpClient tcpClient)
			{
				this.tcpClient = tcpClient;
				int receiveBufferSize = tcpClient.ReceiveBufferSize;
				buffer = new byte[receiveBufferSize];
			}
		}

		private TcpListener server = null;

		private List<Client> tcpClientLastRequestList = new List<Client>();

		public string ipAddress = null;

		public int NumberOfConnectedClients
		{
			get;
			set;
		}

		public event DataChanged dataChanged;

		public event NumberOfClientsChanged numberOfClientsChanged;

		public TCPHandler(int port)
		{
			IPAddress any = IPAddress.Any;
			server = new TcpListener(any, port);
			server.Start();