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Hi,
I was wondering if I could develop an application which would make a log for the data usage whenever I access internet through my wireless modem.

I own a wireless datacard from a private ISP. I connect to the internet through their own application which came with the package. I am allowed to use 6GB of data at 3.1 mbps and after exceeding the limit, the speed of the network decreases which of-course comes under free usage and I pay the rental only for that 6GB.

I felt that the 6GB of data usage gets completed quickly. I just want a tool to monitor the data traffic. As a matter of interest I wanted to develop an application by myself and I just need a little guidance. Could you guys kindly help me out?

My idea is to record the data received and sent details in a text file whenever I connect to the internet using their application.
Posted
Comments
Nisarg S Shah 28-Aug-12 4:15am    
Hi, I know this is not answer to your question. But I have started using windows 8 Release preview and it fulfills your requirement.

For experimenting I have included so many stuffs inside, pls remove them if you dont need them (for eg: import dll, etc ..)

C#
using System;
using System.Runtime;
using System.Runtime.InteropServices;

using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

using System.Net;
using System.Net.NetworkInformation;
using System.Net.Sockets;
using Microsoft.Win32;

namespace NetworkTracer
{
    public partial class Tracer : Form
    {        
        private Timer _timer;
        private DateTime _startTime = DateTime.MinValue;
        private bool _isNetworkOnline;
        IPGlobalProperties properties = IPGlobalProperties.GetIPGlobalProperties();
        IPGlobalStatistics ipstat = null;
        Decimal start_r_packets;
        Decimal end_r_packets;
        NetworkInterface[] fNetworkInterfaces = NetworkInterface.GetAllNetworkInterfaces();
        long start_received_bytes;
        long start_sent_bytes;
        long end_received_bytes;
        long end_sent_bytes;

        public Tracer()
        {
            // check if connection exist or not

            InitializeComponent();

            btnMonitor.Enabled = true;
            btnCancel.Enabled = false;
            _timer = new Timer();           
            _timer.Tick += new EventHandler(timerTicker);
        }


        protected void startMonitor(object sender, EventArgs e)
        {
            _startTime = DateTime.Now;                        
            _timer.Start();                        
            btnMonitor.Enabled = false;
            btnCancel.Enabled = true;
            ipstat = properties.GetIPv4GlobalStatistics();                     

            getConnectionInfo();
        }

        [DllImport("wininet.dll")]        
        private extern static bool InternetGetConnectedState(out int Description, int ReservedValue);
        public static bool IsConnectedToInternet()
        {
            int Desc;
            return InternetGetConnectedState(out Desc, 0);
        }

        protected void getConnectionInfo()
        {
            try
            {
                string myHost = System.Net.Dns.GetHostName();
                IPHostEntry ipEntry = System.Net.Dns.GetHostEntry(myHost);
                IPAddress[] addr = ipEntry.AddressList;
                NetworkChange.NetworkAvailabilityChanged += new NetworkAvailabilityChangedEventHandler(NetworkChange_NetworkAvailabilityChanged);
                _isNetworkOnline = NetworkInterface.GetIsNetworkAvailable();

                if (addr.Length > 0)
                {
                    start_r_packets = Convert.ToDecimal(ipstat.ReceivedPackets);
                    //start_r_packets = Math.Round(start_r_packets / 1048576 * 100000) / 100000;

                    txtboxInfo.Text = "";
                    txtboxInfo.Text += "IP Address: " + addr[addr.Length - 1].ToString() + Environment.NewLine;
                    
                    NetworkInterface adapter = fNetworkInterfaces[0];

                    start_received_bytes = fNetworkInterfaces[0].GetIPv4Statistics().BytesReceived;
                    start_sent_bytes = fNetworkInterfaces[0].GetIPv4Statistics().BytesSent;                   

                    txtboxInfo.Text += Environment.NewLine + "Name: " + adapter.Name + Environment.NewLine;
                    txtboxInfo.Text += Environment.NewLine + "Description: " + adapter.Description + Environment.NewLine;
                    txtboxInfo.Text += Environment.NewLine + "Network Type: " + adapter.NetworkInterfaceType + Environment.NewLine;
                    txtboxInfo.Text += Environment.NewLine + "Speed: " + adapter.Speed / 1000000 + " (Mbps)" + Environment.NewLine;
                    txtboxInfo.Text += Environment.NewLine + "Operational Status: " + adapter.OperationalStatus + Environment.NewLine;

                    txtboxInfo.Text += Environment.NewLine + "Reeived: " + start_received_bytes.ToString() + Environment.NewLine;
                    txtboxInfo.Text += Environment.NewLine + "Sent: " + start_sent_bytes.ToString() + Environment.NewLine;

                    start_received_bytes = (start_received_bytes / 1048576 * 100000) / 100000;
                    start_sent_bytes = (start_sent_bytes / 1048576 * 100000) / 100000;

                    txtboxInfo.Text += Environment.NewLine + "Reeived (in MB): " + start_received_bytes.ToString() + Environment.NewLine;
                    txtboxInfo.Text += Environment.NewLine + "Sent (in MB): " + start_sent_bytes.ToString() + Environment.NewLine;

                    txtboxInfo.Text += Environment.NewLine + "Is Network Available: " + _isNetworkOnline.ToString() + Environment.NewLine;                    
                    txtboxInfo.Text += Environment.NewLine + "Starting Received Packets: " + start_r_packets.ToString() + Environment.NewLine;
                    txtboxInfo.Text += Environment.NewLine + "Is Network up: " + System.Net.NetworkInformation.NetworkInterface.GetIsNetworkAvailable().ToString() + Environment.NewLine;
                    txtboxInfo.Text += Environment.NewLine + "New method output: " + IsConnectedToInternet().ToString();
                }                                
                
            }
            catch (Exception ex)
            {
                txtboxInfo.Text = "Error!" + Environment.NewLine + ex.Message.ToString();
                _timer.Stop();
                lblTime.Text = "";
                btnCancel.Enabled = false;
                btnMonitor.Enabled = false;
            }
        }

        protected void NetworkChange_NetworkAvailabilityChanged(object sender, NetworkAvailabilityEventArgs e) 
        { 
            _isNetworkOnline = e.IsAvailable; 
        } 

        protected void closeEverything(object sender, EventArgs e)
        {
            _timer.Stop();
            btnCancel.Enabled = false;
            btnMonitor.Enabled = true;
            txtboxInfo.Text = lblTime.Text + Environment.NewLine;

            ipstat = properties.GetIPv4GlobalStatistics();
            end_r_packets = Convert.ToDecimal(ipstat.ReceivedPackets);
        //    end_r_packets = Math.Round(end_r_packets / 1048576 * 100000) / 100000;

            txtboxInfo.Text += Environment.NewLine + "Starting Received Packets: " + start_r_packets.ToString() + Environment.NewLine;
            txtboxInfo.Text += Environment.NewLine + "Ending Received Packets: " + end_r_packets.ToString() + Environment.NewLine;
            end_r_packets = end_r_packets - start_r_packets;
            txtboxInfo.Text += Environment.NewLine + "Total Received Packets: " + end_r_packets.ToString() + Environment.NewLine;

            txtboxInfo.Text += Environment.NewLine + "Received Start (in MB): " + start_received_bytes.ToString() + Environment.NewLine;
            txtboxInfo.Text += Environment.NewLine + "Sent Start (in MB): " + start_sent_bytes.ToString() + Environment.NewLine;

            end_received_bytes = fNetworkInterfaces[0].GetIPv4Statistics().BytesReceived;
            end_sent_bytes = fNetworkInterfaces[0].GetIPv4Statistics().BytesSent;

            end_received_bytes = (end_received_bytes / 1048576 * 100000) / 100000;
            end_sent_bytes = (end_sent_bytes / 1048576 * 100000) / 100000;

            txtboxInfo.Text += Environment.NewLine + "Received End (in MB): " + end_received_bytes.ToString() + Environment.NewLine;
            txtboxInfo.Text += Environment.NewLine + "Sent End (in MB): " + end_sent_bytes.ToString() + Environment.NewLine;

            txtboxInfo.Text += Environment.NewLine + "Received Total (in MB): " + (end_received_bytes - start_received_bytes).ToString() + Environment.NewLine;
            txtboxInfo.Text += Environment.NewLine + "Sent Total (in MB): " + (end_sent_bytes - start_sent_bytes).ToString() + Environment.NewLine;

            writetoFile();
        }

        protected void writetoFile()
        {
            string path_file = @"C:\\Documents and Settings\\user2\\Desktop\\Test Tracer.txt";
            string empty_line = "===============================================================";
            if (System.IO.File.Exists(path_file))
            {
                System.IO.File.AppendAllText(path_file, empty_line + Environment.NewLine + "Connection opened: " + _startTime + Environment.NewLine + "Connection Closed: " + DateTime.Now.ToString() + Environment.NewLine + Environment.NewLine + txtboxInfo.Text + Environment.NewLine);
            }
        }

        protected void timerTicker(object sender, EventArgs e)
        {
            var timeSinceStartTime = DateTime.Now - _startTime;
            timeSinceStartTime = new TimeSpan(timeSinceStartTime.Hours,
                                              timeSinceStartTime.Minutes,
                                              timeSinceStartTime.Seconds);                        
            lblTime.Text = "Time: " + timeSinceStartTime.ToString();
        }
    }
}
 
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v2
Comments
[no name] 12-Sep-12 4:04am    
and make sure that the internet connection adapter that you are using is mentioned in the "fNetworkInterfaces[0]" field accordingly. In my system item "0" is the adapter through which I connect to internet.
Member 12140430 11-Dec-15 11:49am    
what to do with this?
Member 10380349 20-Apr-16 13:44pm    
no output
MyFriendPM,

Try downloading a tool like BitMeter 2[^] to manage your bandwidth.

Or if you still want to write your own, I suggest using the following WMI query

select *
from Win32_PerfRawData_Tcpip_NetworkInterface

There are three columns that you will be interested in.
BytesReceivedPersec --> How much data has come in on an adapter
BytesSentPersec --> How much data your adapter has sent
BytesTotalPersec --> Total bandwidth sent and received.

Note that these numbers will be reset when your computer is restarted, so you'll have to keep track of them between boots. I'll let you write the code that uses the WMI, but that should put you in the right place!

Hogan
 
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Comments
[no name] 29-Aug-12 1:42am    
Yes it is the exact info that I was looking for. Could you explain it further?

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