IP包流量分析程序
编制程序,监控网络,捕获一段时间内网络上的IP数据包,按IP数据包的源地址和目的地址统计出该源地址在该时间段内发出的IP包的个数,将其统计结果在控制台现实出来。
程序的具体要求如下:
获取网络设备列表。
选择网卡并打开。
当捕获数据包时,可能需要设置过滤器。
捕获数据包或者发送数据包。
统计数据的流量。
首先要进行jpcap包的安装才可以运行以下代码
jpcap的环境配置教程:http://blog.csdn.net/zhangjianmin317/article/details/7376364
64位jpcap包下载地址:http://pan.baidu.com/s/1hr939mW
32位jpcap包下载地址:http://pan.baidu.com/s/1miK1dK8
配置好jpcap后,即可编译运行TestJpcap.java文件
源代码(一共两个java文件,注意)
程序名:TestJpcap.java
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Scanner;
import jpcap.JpcapCaptor;
import jpcap.NetworkInterface;
import jpcap.NetworkInterfaceAddress;
import jpcap.packet.Packet;
public class TestJpcap {
public static void main(String[] args) throws IOException {
Scanner console = new Scanner(System.in);
getDevices();//显示PC机上可用的网卡的信息
System.out.println("请输入网卡号<0-2>");
int num = console.nextInt();//获取用户要打开的网卡号
System.out.println("请输入抓包时间(分钟)");
int minuets = console.nextInt();//获取用户抓包时间
oneByOneReceiver(num, minuets);//调用抓包方法
}
// 获取网络接口列表
public static void getDevices() {
NetworkInterface[] devices = JpcapCaptor.getDeviceList();
for (int i = 0; i < devices.length; i++) {
System.out.println(i + ": " + devices[i].name + "("
+ devices[i].description + ")");
System.out.println(" datalink: " + devices[i].datalink_name + "("
+ devices[i].datalink_description + ")");
System.out.print(" MAC address:");
for (byte b : devices[i].mac_address)
System.out.print(Integer.toHexString(b & 0xff) + ":");
System.out.println();
for (NetworkInterfaceAddress a : devices[i].addresses)
System.out.println(" address:" + a.address + " " + a.subnet
+ " " + a.broadcast);
}
}
// 使用逐个捕获方法, 从网络接口捕获数据包
public static void oneByOneReceiver(int index, int time) throws IOException {
NetworkInterface[] devices = JpcapCaptor.getDeviceList();
JpcapCaptor captor = JpcapCaptor.openDevice(devices[index], 65535,
false, 20);
PrintWriter pw = new PrintWriter(new FileWriter(new File("packets.txt")));
// 设置过滤器
captor.setFilter("ip", true);
int counter = 0;
Packet packet;
long startTime = System.currentTimeMillis();
while (startTime + time * 60 * 10 >= System.currentTimeMillis()) {
packet = captor.getPacket();
System.out.println(packet);
if (packet != null) {
String ips = packet.toString().split("\\s+")[1];
pw.write(ips);
pw.println();
counter++;
}
}
pw.close();
CounterPackets cp = new CounterPackets();
cp.readPackets();
cp.print();
System.out.println("PacketNumbers:" + counter);
}
}
程序名: CounterPackets.java
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
public class CounterPackets {
ArrayList ips;//存放读取文本信息
HashMap counter;//存放地址和对应的数据包的数量
public CounterPackets() {
counter = new HashMap();
}
//从packet.txt.中读取捕获到的IP数据包信息
public void readPackets() throws IOException {
ips = new ArrayList();
BufferedReader br = new BufferedReader(new FileReader("packets.txt"));
while (br.read() != -1) {
ips.add(br.readLine());
}
counter();
}
//统计流量
public void counter() {
for (int i = 0; i < ips.size(); i++) {
String[] result = getIps(ips.get(i));
String index = result[0] + " " + result[1];
setNumber(index);
}
}
//获取源地址和目的地址
public String[] getIps (String ips) {
StringBuffer sb = new StringBuffer(ips);
for (int i = 0; i < ips.length(); i++) {
if (ips.charAt(i) == '/' || ips.charAt(i) == '>' || ips.charAt(i) == '-') {
sb.replace(i, i + 1, " ");
}
}
ips = sb.toString().trim();
return ips.split("\\s+");
}
//数目叠加
public void setNumber(String index) {
if (counter.containsKey(index)) {
int value = counter.get(index);
counter.put(index, value+1);
} else {
counter.put(index, 1);
}
}
//将结果打印到控制台
public void print() {
System.out.println("源地址" + " " + "目的地址" + " " + PacketNumber);
Iterator it = counter.keySet().iterator();
while (it.hasNext()) {
String index = (String)it.next();
String[] ips = index.split("\\s+");
String srcIp = String.format("%-6s", ips[0]);
String dstIp = ips[1];
int number = counter.get(index);
System.out.println(srcIp + " " + dstIp + " " + number);
}
}
}
运行后输入
首先输入你的网卡号(输入数字(0-2))
在这我输入1(1是无线网卡号)输入抓包时间(就是在一段时间内你访问了哪些目的地址)
这里我输入2
然后就可以得到相应的数据(这里我就不上图了)
参考连接
https://wenku.baidu.com/view/02da11b3f605cc1755270722192e453610665b06.html