网络截获/分析

开发平台：
Visual C++

Form1.cs：源码内容
							﻿using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Diagnostics;
using System.Threading;
using System.Collections;
using WindowsApplication1;
namespace wlcs
{
    public partial class Form1 : Form
    {
        wjian w = new wjian();
        DrawClass dc = new DrawClass();
        public string name;
        public int t, i = 1;
        float s1, s2,s3,s4,s5,s6,p1,p2,p3;
        float[] numbers1 = new float[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ,0};
        float[] numbers2 = new float[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,0 };
        float[] numbers3 = new float[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,0 };
        int[] num = new int[] { 0 };
        public Form1()
        {
            InitializeComponent();
        }
        string sec = DateTime.Now.ToString();
        public string shuju1, shuju2, shuju3;
        private void Form1_Load(object sender, EventArgs e)
        {
            this.timer1.Interval = 1000;
            this.timer1.Start();
            this.timer1.Enabled = true;
            string[] instanceNames;
            ArrayList counters = new ArrayList();
            PerformanceCounterCategory mycat1 = new PerformanceCounterCategory("Network Interface");
            try
            {
                instanceNames = mycat1.GetInstanceNames();
                if (instanceNames.Length == 0)
                {
                    counters.AddRange(mycat1.GetCounters());
                }
                else
                {
                    for (int i = 0; i < instanceNames.Length; i++)
                    {
                        counters.AddRange(mycat1.GetCounters(instanceNames[i]));
                    }
                }
                for (int i = 0; i < instanceNames.Length; i++)
                {
                    comboBox1.Items.Add( instanceNames[i]);
                }
                name = instanceNames[0];
                this.performanceCounter1.InstanceName = name;
                this.performanceCounter2.InstanceName = name;
                this.performanceCounter3.InstanceName = name;
                foreach (PerformanceCounter counter in counters)
                {
                    Console.WriteLine(counter.CounterName);
                }
               
            }
            catch (Exception)
            {
                Console.WriteLine("Unable to list the counters for this category");
            }
            comboBox4.Text = Convert.ToString(20);
        }
        private void  timer1_Tick(object sender, EventArgs e)
        {
            float sulv1 = (float)this.performanceCounter1.NextValue(); 
            this.toolStripLabel2.Text = "下载速率" + sulv1 / 1024 + "KB/s";
            float sulv2 = (float)this.performanceCounter2.NextValue();
            this.toolStripLabel3.Text = "上传速率" + sulv2 / 1024 + "KB/s";
            float sulv3 = (float)this.performanceCounter3.NextValue();
            this.toolStripLabel4.Text = "总速率" + sulv3 / 1024 + "KB/s";
            t = t + 1;
            s1 = s1 + sulv3 / 1024;
            s3 = s3 + sulv2 / 1024;
            s5 = s5 + sulv1 / 1024;
            if (i > 0)
            {
                numbers1[19] = numbers1[18];
                numbers1[18] = numbers1[17];
                numbers1[17] = numbers1[16];
                numbers1[16] = numbers1[15];
                numbers1[15] = numbers1[14];
                numbers1[14] = numbers1[13];
                numbers1[13] = numbers1[12];
                numbers1[12] = numbers1[11];
                numbers1[11] = numbers1[10];
                numbers1[10] = numbers1[9];
                numbers1[9] = numbers1[8];
                numbers1[8] = numbers1[7];
                numbers1[7] = numbers1[6];
                numbers1[6] = numbers1[5];
                numbers1[5] = numbers1[4];
                numbers1[4] = numbers1[3];
                numbers1[3] = numbers1[2];
                numbers1[2] = numbers1[1];
                numbers1[1] = numbers1[0];
                numbers1[0] = sulv1/1024;
                numbers2[19] = numbers2[18];
                numbers2[18] = numbers2[17];
                numbers2[17] = numbers2[16];
                numbers2[16] = numbers2[15];
                numbers2[15] = numbers2[14];
                numbers2[14] = numbers2[13];
                numbers2[13] = numbers2[12];
                numbers2[12] = numbers2[11];
                numbers2[11] = numbers2[10];
                numbers2[10] = numbers2[9];
                numbers2[9] = numbers2[8];
                numbers2[8] = numbers2[7];
                numbers2[7] = numbers2[6];
                numbers2[6] = numbers2[5];
                numbers2[5] = numbers2[4];
                numbers2[4] = numbers2[3];
                numbers2[3] = numbers2[2];
                numbers2[2] = numbers2[1];
                numbers2[1] = numbers2[0];
                numbers2[0] = sulv2/1024;
                numbers3[19] = numbers3[18];
                numbers3[18] = numbers3[17];
                numbers3[17] = numbers3[16];
                numbers3[16] = numbers3[15];
                numbers3[15] = numbers3[14];
                numbers3[14] = numbers3[13];
                numbers3[13] = numbers3[12];
                numbers3[12] = numbers3[11];
                numbers3[11] = numbers3[10];
                numbers3[10] = numbers3[9];
                numbers3[9] = numbers3[8];
                numbers3[8] = numbers3[7];
                numbers3[7] = numbers3[6];
                numbers3[6] = numbers3[5];
                numbers3[5] = numbers3[4];
                numbers3[4] = numbers3[3];
                numbers3[3] = numbers3[2];
                numbers3[2] = numbers3[1];
                numbers3[1] = numbers3[0];
                numbers3[0] = sulv3 / 1024;
                pictureBox1.Image = Image.FromStream(dc.draw(numbers1, numbers2, numbers3));
            }
            if (t == Convert.ToInt16(comboBox4.Text))
            {
                if (i == 1)
                {
                    listBox1.Items.Add("第1次" + "           " + s5 / t + "KB/s" + "      " + s3 / t + "KB/s" + "        " + s1 / t + "KB/s");
                    s2 = s1;
                    s4 = s3;
                    s6 = s5;
                    p1 = s1 / t;
                    p2 = s3 / t;
                    p3 = s5 / t;
                    t = 0;
                    s1 = 0;
                    s3 = 0;
                    s5 =0;
                    i++;
                    shuju1 += this.p1.ToString()+"  ";
                    shuju2 += this.p2.ToString() + "  ";
                    shuju3 += this.p3.ToString() + "  ";
                }
                else
                {
                    listBox1.Items.Add("第" + i + "次" + "           " + s5 / t + "KB/s" + "      " + s3 / t + "KB/s" + "        " + s1 / t + "KB/s");
                    listBox1.Items.Add("流量增加" + "        " + (s5 - s6) / t + "KB/s" + "      " + (s3 - s4) / t + "KB/s" + "        " + (s1 - s2) / t + "KB/s");
                    s2 = s1;
                    s4 = s3;
                    s6 = s5;
                    p1 = s1 / t;
                    p2 = s3 / t;
                    p3 = s5 / t;
                    t = 0;
                    s1 = 0;
                    s3 = 0;
                    s5 = 0;
                    i++;
                    shuju1 += this.p1.ToString() + "  ";
                    shuju2 += this.p2.ToString() + "  ";
                    shuju3 += this.p3.ToString() + "  ";
                }
            
            }
            if (this.performanceCounter4.CategoryName == this.comboBox3.Text.ToString())
            {
                float sulv4 = (float)this.performanceCounter4.NextValue();
                this.textBox1 .Text = sulv4 + "B/s";
            }
            else
                if (this.performanceCounter5.CategoryName == this.comboBox3.Text.ToString())
                {
                    float sulv4 = (float)this.performanceCounter5.NextValue();
                    this.textBox1.Text = sulv4 + "B/s";
                }
                else
                    if (this.performanceCounter6.CategoryName == this.comboBox3.Text.ToString())
                    {
                        float sulv4 = (float)this.performanceCounter6.NextValue();
                        this.textBox1.Text = sulv4 + "B/s";
                    }
                    else
                        if (this.performanceCounter7.CategoryName == this.comboBox3.Text.ToString())
                        {
                            float sulv4 = (float)this.performanceCounter6.NextValue();
                            this.textBox1.Text = sulv4 + "B/s";
                        }
        }
        private void 开始ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            this.performanceCounter1.InstanceName = this.comboBox1.Text.ToString();
            this.performanceCounter2.InstanceName = this.comboBox1.Text.ToString();
            this.performanceCounter3.InstanceName = this.comboBox1.Text.ToString();
            float sulv1 = (float)this.performanceCounter1.NextValue();
            this.toolStripLabel2.Text = "下载速率" + sulv1 / 1024 + "KB/s";
            float sulv2 = (float)this.performanceCounter2.NextValue();
            this.toolStripLabel3.Text = "上传速率" + sulv2 / 1024 + "KB/s";
            float sulv3 = (float)this.performanceCounter3.NextValue();
            this.toolStripLabel4.Text = "总速率" + sulv3 / 1024 + "KB/s";
            t = 0;
        }
        private void 保存ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            string sd = DateTime.Now.ToString();
            richTextBox1.Text += "本次保存开始时间：" + sec.ToString() +"       "+this.comboBox4.Text+"秒内"+ "n" + "下载平均速率" + shuju3 + "n" + "上传平均速率" + shuju2 + "n" + "总平均速率" + shuju1 + "n结束时间:" + sd.ToString() + "n";
            richTextBox1.SaveFile("..//Debug//wenjian.txt..", RichTextBoxStreamType.PlainText);
        }
        private void toolStripButton1_Click(object sender, EventArgs e)
        {
            string sd = DateTime.Now.ToString();
            richTextBox1.Text += "本次保存开始时间：" + sec.ToString() + "       " + this.comboBox4.Text + "秒内" + "n" + "下载平均速率" + shuju3 + "n" + "上传平均速率" + shuju2 + "n" + "总平均速率" + shuju1 + "n结束时间:" + sd.ToString() + "n";
            richTextBox1.SaveFile("..//Debug//wenjian.txt..", RichTextBoxStreamType.PlainText);
        }
        private void toolStripButton5_Click(object sender, EventArgs e)
        {
            this.performanceCounter1.InstanceName = this.comboBox1.Text.ToString();
            this.performanceCounter2.InstanceName = this.comboBox1.Text.ToString();
            this.performanceCounter3.InstanceName = this.comboBox1.Text.ToString();
            float sulv1 = (float)this.performanceCounter1.NextValue();
            this.toolStripLabel2.Text = "下载速率" + sulv1 / 1024 + "KB/s";
            float sulv2 = (float)this.performanceCounter2.NextValue();
            this.toolStripLabel3.Text = "上传速率" + sulv2 / 1024 + "KB/s";
            float sulv3 = (float)this.performanceCounter3.NextValue();
            this.toolStripLabel4.Text = "总速率" + sulv3 / 1024 + "KB/s";
            t = 0;
        }
    }
}

						