#include
#include
#include
#include
#include
#include

#include“pcap.h“
#include“IPNodeList.h“

#pragma?comment（lib“Wpcap.lib“）??
#pragma?comment（lib“Ws2_32.lib“）


struct?ip_header
{
	unsigned?char??ver_ihl;//版本號（4）+頭部長度（4）
	unsigned?char??tos;
	unsigned?short?tlen;???//總長度
	unsigned?short?identification;//標識
	unsigned?short?flags_fo;
	unsigned?char??ttl;
	unsigned?char??proto;??//協議
	unsigned?short?crc;
	DWORD??????????saddr;??//源地址
	DWORD??????????daddr;??//目的地址
	unsigned?int???op_pad;?//選項+填充
};




void?main（int?argcchar*?argv[]）
{
	if（argc!=3）
	{
		cout<<“usage:IP?Statistic?time?logfile“<		cout<<“press?any?key?to?continue...“<		_getch（）;
		return;
	}
	
	double????min=atof（argv[1]）;//argv:時間，字符串轉換另：atof（）函數將字符串轉換成浮點型數；
	pcap_if_t?*alldevs;	????????//pcap_if_t是pcap_if的宏定義，是網絡設備結構的列表，列表的每一項包含關于適配器的復雜的信息
	pcap_if_t?*d*head=NULL;
	pcap_t????*fp;
	char??????errbuf[PCAP_ERRBUF_SIZE];
	unsigned?int????netmask;
	char??????packet_filter[]=“ip“;//過濾規則
	struct????bpf_program??fcode;
	struct????pcap_pkthdr??*header;
	const??unsigned?char???*pkt_data;

	
	//獲取網路設備列表
	if（pcap_findalldevs（&alldevserrbuf）==-1）
	{
		cout<<“Error?in?pcap_findalldevs:“<		return;
	}


	int?i;
	int?j=0;
	for（d=alldevs;d;d=d->next）//列出網卡列表
	{
		cout<<++j<<“:?“<name;
		if（d->description）
			cout<<“??“<description<	}
	cout<<“\nEnter?the?interface?number?（1-“<	int?k;
	cin>>k;
	if（k<1||k>j）
	{
		cout<<“out?of?range“<		return;
	}
	for（d=alldevsi=1;inexti++）;
	head=d;


	//以混雜模式打開網卡
	if（（fp=pcap_open_live（head->name100011000errbuf））==NULL）//監聽的設備接口名，最大數目的網絡數據包，是否混雜，超時時間，存儲出錯信息
	{
		cout<<“\nUnable?to?open?the?adapter.“<		pcap_freealldevs（alldevs）;
		return;
	}

	//獲得子網掩碼
	if（head->addresses?!=NULL）
		netmask=（（struct?sockaddr_in*）（head->addresses->netmask））->sin_addr.S_un.S_addr;//將二進制IP轉化為點進十進制
	else?
		netmask=0xffffff;

	//編譯過濾器
	if（pcap_compile（fp&fcodepacket_filter1netmask）<0）//packet_filter：規則表達式格式的過濾規則，netmask：監聽接口的網絡掩碼
	{
		cout<<“\nUnable?to?compile?the?packet?filter.?Check?the?syntax.?\n?“;
		pcap_freealldevs（alldevs）;
		return;
	}

	//設置過濾器
	if（pcap_setfilter（fp&fcode）<0）//pcap的會話句柄；經過編譯后的過濾規則，返回-1表示操作失敗，其他值表成功
	{
		cout<<“\nError?setting?the?filter.\n“;
		pcap_freealldevs（alldevs）;
	????return;
	}

	//顯示提示信息及每項含義
	cout<<“\nlistening?on“<description<<“...“<	ofstream?fout（argv[2]ios::app）;????//
	fout<<“\tIP?Statistic:（“<	time_t?tmp=time（NULL）;??????????????//
	fout<	cout<<“IP?Statistic:（“<	fout<<“???Sour?IP?????“<<“\tpacket?numbers“<
	//釋放設備列表	
	pcap_freealldevs（alldevs）;

	NodeList?link;//定義結點鏈表link
	int????res;
	time_t?beg;???//time_t是long型的變量，當前時間
	time_t?end;???//結束時間
	time（&beg）;???//

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????????0??2010-06-25?10:58??IPMONITOR\Debug\a.txt

?????文件???????3886??2010-06-24?19:13??IPMONITOR\Debug\BuildLog.htm

?????文件????2032640??2010-06-23?18:06??IPMONITOR\Debug\IPMONITOR.bsc

?????文件?????254011??2010-06-26?20:50??IPMONITOR\Debug\IPMONITOR.exe

?????文件?????327256??2010-06-26?20:50??IPMONITOR\Debug\IPMONITOR.ilk

?????文件??????30682??2010-06-26?20:50??IPMONITOR\Debug\ipmonitor.obj

?????文件????4867136??2010-06-26?20:37??IPMONITOR\Debug\IPMONITOR.pch

?????文件?????648192??2010-06-26?20:50??IPMONITOR\Debug\IPMONITOR.pdb

?????文件????1003136??2010-06-26?20:50??IPMONITOR\Debug\ipmonitor.sbr

?????文件???????3584??2010-06-24?19:22??IPMONITOR\Debug\IPMONITOR.suo

?????文件?????279552??2010-06-26?20:50??IPMONITOR\Debug\vc60.idb

?????文件?????102400??2010-06-26?20:50??IPMONITOR\Debug\vc60.pdb

?????文件??????76800??2010-06-24?19:13??IPMONITOR\Debug\vc90.idb

?????文件?????135168??2010-06-24?19:13??IPMONITOR\Debug\vc90.pdb

?????文件???????1555??2010-06-13?19:58??IPMONITOR\Debug\命令提示符.lnk

?????文件???????4049??2010-06-26?20:50??IPMONITOR\ipmonitor.cpp

?????文件???????4462??2010-06-24?16:44??IPMONITOR\IPMONITOR.dsp

?????文件????????541??2010-06-22?21:11??IPMONITOR\IPMONITOR.dsw

?????文件??????74752??2010-06-26?20:50??IPMONITOR\IPMONITOR.ncb

?????文件??????70656??2010-06-26?20:50??IPMONITOR\IPMONITOR.opt

?????文件???????1299??2010-06-26?20:50??IPMONITOR\IPMONITOR.plg

?????文件????????883??2010-06-24?19:08??IPMONITOR\IPMONITOR.sln

????..A..H.?????10752??2010-06-24?19:14??IPMONITOR\IPMONITOR.suo

?????文件???????5368??2010-06-24?19:08??IPMONITOR\IPMONITOR.vcproj

?????文件???????1427??2010-06-24?19:14??IPMONITOR\IPMONITOR.vcproj.PC2010060420VAO.Administrator.user

?????文件???????2011??2010-06-26?20:37??IPMONITOR\IPNodeList.h

?????文件??????15467??2010-06-24?16:25??IPMONITOR\PCAP.H

?????文件??????84480??2010-06-26?20:46??課程設計報告：監控IP包流量.doc

?????文件????????221??2010-06-26?20:49??CMD命令最常用命令簡介.txt

?????文件?????550560??2008-07-08?11:02??WinPcap_4_0_2.exe

............此處省略6個文件信息