imonitor-dotnet/AsynchronousSocketListener.cs

using System;
using System.Diagnostics;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Threading;

namespace iMonitorApp
{
	// Token: 0x0200001F RID: 31
	public class AsynchronousSocketListener
	{
		// Token: 0x1700001F RID: 31
		// (get) Token: 0x060000E5 RID: 229 RVA: 0x0000A24C File Offset: 0x0000844C
		// (set) Token: 0x060000E6 RID: 230 RVA: 0x0000A253 File Offset: 0x00008453
		public static int Port { get; set; }

		// Token: 0x17000020 RID: 32
		// (get) Token: 0x060000E7 RID: 231 RVA: 0x0000A25B File Offset: 0x0000845B
		// (set) Token: 0x060000E8 RID: 232 RVA: 0x0000A262 File Offset: 0x00008462
		public static string IPAddress { get; set; }

		// Token: 0x14000003 RID: 3
		// (add) Token: 0x060000E9 RID: 233 RVA: 0x0000A26C File Offset: 0x0000846C
		// (remove) Token: 0x060000EA RID: 234 RVA: 0x0000A2A0 File Offset: 0x000084A0
		// [DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public static event EventHandler Received;

		// Token: 0x060000EB RID: 235 RVA: 0x0000A2D3 File Offset: 0x000084D3
		public AsynchronousSocketListener(string ipaddress, int port)
		{
			AsynchronousSocketListener.IPAddress = ipaddress;
			AsynchronousSocketListener.Port = port;
		}

		// Token: 0x060000EC RID: 236 RVA: 0x0000A2EC File Offset: 0x000084EC
		protected static void OnReceived(string s, EventArgs e)
		{
			bool flag = AsynchronousSocketListener.Received != null;
			if (flag)
			{
				AsynchronousSocketListener.Received(s, e);
			}
		}

		// Token: 0x060000ED RID: 237 RVA: 0x0000A314 File Offset: 0x00008514
		public static void StartListening()
		{
			byte[] array = new byte[150000000];
			string hostName = Dns.GetHostName();
			Debug.WriteLine("Server socket IP is: " + AsynchronousSocketListener.IPAddress.ToString());
			IPHostEntry iphostEntry = Dns.Resolve(AsynchronousSocketListener.IPAddress.ToString());

			IPAddress address = iphostEntry.AddressList[0];
			IPEndPoint localEP = new IPEndPoint(address, AsynchronousSocketListener.Port);
			Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
			try
			{
				socket.Bind(localEP);
				socket.Listen(10);
				for (;;)
				{
					AsynchronousSocketListener.allDone.Reset();
					Debug.WriteLine("Waiting for Clients...");
					socket.BeginAccept(new AsyncCallback(AsynchronousSocketListener.AcceptCallback), socket);
					AsynchronousSocketListener.allDone.WaitOne();
				}
			}
			catch (Exception ex)
			{
				Console.WriteLine(ex.ToString());
			}
			Console.WriteLine("\nPress ENTER to continue...");
			Console.Read();
		}

		// Token: 0x060000EE RID: 238 RVA: 0x0000A408 File Offset: 0x00008608
		public static void AcceptCallback(IAsyncResult ar)
		{
			AsynchronousSocketListener.allDone.Set();
			Socket socket = (Socket)ar.AsyncState;
			Socket socket2 = socket.EndAccept(ar);
			StateObject stateObject = new StateObject();
			stateObject.workSocket = socket2;
			socket2.BeginReceive(stateObject.buffer, 0, 20480, SocketFlags.None, new AsyncCallback(AsynchronousSocketListener.ReadCallback), stateObject);
		}

		// Token: 0x060000EF RID: 239 RVA: 0x0000A464 File Offset: 0x00008664
		public static void ReadCallback(IAsyncResult ar)
		{
			string text = string.Empty;
			StateObject stateObject = (StateObject)ar.AsyncState;
			Socket workSocket = stateObject.workSocket;
			int num = workSocket.EndReceive(ar);
			bool flag = num > 0;
			if (flag)
			{
				stateObject.sb.Append(Encoding.ASCII.GetString(stateObject.buffer, 0, num));
				text = stateObject.sb.ToString();
				bool flag2 = text.IndexOf("<EOF>") > -1;
				if (flag2)
				{
					Console.WriteLine("Read {0} bytes from socket (sender:" + workSocket.RemoteEndPoint.ToString() + "). \n Data : {1}", text.Length, text);
					Debug.WriteLine(text);
					AsynchronousSocketListener.OnReceived(text, EventArgs.Empty);
				}
				else
				{
					workSocket.BeginReceive(stateObject.buffer, 0, 20480, SocketFlags.None, new AsyncCallback(AsynchronousSocketListener.ReadCallback), stateObject);
				}
			}
		}

		// Token: 0x060000F0 RID: 240 RVA: 0x0000A548 File Offset: 0x00008748
		private static void Send(Socket handler, string data)
		{
			byte[] bytes = Encoding.ASCII.GetBytes(data);
			handler.BeginSend(bytes, 0, bytes.Length, SocketFlags.None, new AsyncCallback(AsynchronousSocketListener.SendCallback), handler);
		}

		// Token: 0x060000F1 RID: 241 RVA: 0x0000A57C File Offset: 0x0000877C
		private static void SendCallback(IAsyncResult ar)
		{
			try
			{
				Socket socket = (Socket)ar.AsyncState;
				int num = socket.EndSend(ar);
				Console.WriteLine("Sent {0} bytes to client.", num);
				socket.Shutdown(SocketShutdown.Both);
				socket.Close();
			}
			catch (Exception ex)
			{
				Console.WriteLine(ex.ToString());
			}
		}

		// Token: 0x040000B2 RID: 178
		public static ManualResetEvent allDone = new ManualResetEvent(false);
	}
}