Ping Program

[ScarEye]

Hey guys what's up, okay I need to make a simple application.. That will ping like 10 ip address and This is what I have so far..

1 Textbox - Which contains an ip address

1 labelbox - Which will turn either green or red depending on if the connection
is alive or dead.

1 Textbox - Which will display the "ms" time it took for that packet of data to get back and fourth.

And that's it..

I will have 10 of these with different ip's and I would like it to cycle through each ip address and give me the information above..

Does anyone know how I can do this.

Thanks In Advance.
ScarEye


P.S. I am a total n00b in C# so please explain in laymens terms.
Oh yea just to make sure you have this right.. All I did so far was just create the textboxes and the labels that's it. Still learning.

[ScarEye]

Hey guys, I downloaded a free ping utility that works with C#. Now I was wondering if I add multiple text boxes with ip's and when I click on the ping button I would like it to cycle through all the text boxes and give me my results. If anyone can take a look at it and help me out that would be great. You can download the program here





Thanks In Advance
ScarEye



Hopefully this thread will help others..

[Cheffe0815]

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

namespace Ping
{
	/// <summary>
	/// Zusammenfassung für Class1.
	/// </summary>
	internal class Start
	{
		/// <summary>
		/// Der Haupteinstiegspunkt für die Anwendung.
		/// </summary>
		[STAThread]
		private static void Main()
		{
			string address = "192.168.0.1";
			PingPC.PingResult pingResult = PingPC.Ping(address, 1000);
			switch (pingResult)
			{
				case PingPC.PingResult.OK:
					Console.WriteLine("Ping an {0} war erfolgreich", address);
					break;
				case PingPC.PingResult.TimeOut:
					Console.WriteLine("TimeOut beim Ping an {0}", address);
					break;
				case PingPC.PingResult.ChecksumError:
					Console.WriteLine("Daten wurden empfangen, aber es ist ein Prüfsummenfehler aufgetreten {0}", address);
					break;
			}
			Console.Read();
		}
	}

	internal class PingPC
	{
		public enum PingResult
		{
			OK,
			TimeOut,
			ChecksumError
		}

		// Methode zum Pingen
		public static PingResult Ping(string address, int timeout)
		{
			//IPHostEntry ipHostEntry = Dns.Resolve(address);
			//IPAddress ipAddress = ipHostEntry.AddressList[0];
			IPAddress ipAddress = IPAddress.Parse(address);
			IPEndPoint epHost = new IPEndPoint(ipAddress, 7);
			Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Raw, ProtocolType.Icmp);
			byte[] sendBuffer = {8, 0, 0xF7, 0xFF, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
			int send = socket.SendTo(sendBuffer, sendBuffer.Length, SocketFlags.None, epHost);
			ArrayList checkReadSockets = new ArrayList();
			checkReadSockets.Add(socket);
			Socket.Select(checkReadSockets, null, null, timeout*1000);

			byte[] receiveBuffer = new byte[200];
			int receivedBytes = 0;
			if (checkReadSockets.Count > 0)
			{
				receivedBytes = socket.Receive(receiveBuffer, receiveBuffer.Length, SocketFlags.None);
				if (GetTCPCheckSum(receiveBuffer) == 0)
					return PingResult.OK;
				else
					return PingResult.ChecksumError;
			}
			else
				return PingResult.TimeOut;
		}

		private static ushort GetTCPCheckSum(byte[] tcpData)
		{
			byte[] buffer;
			if ((tcpData.Length%2) > 0)
			{
				buffer = new byte[tcpData.Length + 1];
				tcpData.CopyTo(buffer, 0);
				buffer[buffer.Length - 1] = 0;
			}
			else
			{
				buffer = new byte[tcpData.Length];
				tcpData.CopyTo(buffer, 0);
			}

			int checkSum = 0;
			for (int i = 0; i < buffer.Length; i += 2)
			{
				byte lowByte = buffer[i + 1];
				byte highByte = buffer[i];
				ushort wordValue = highByte;
				wordValue = (ushort) ((wordValue << 8) + lowByte);
				checkSum += wordValue;
			}

			checkSum = (checkSum >> 16) + (checkSum & 0xFFFF);
			checkSum += (checkSum >> 16);
			return (ushort) (~checkSum);
		}
	}
}