#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?

#include?	
#include?“get_interface.h“

int?interface_num=0;//接口數量
INTERFACE?net_interface[MAXINTERFACES];//接口數據

/******************************************************************
函	數:	int?get_interface_num（）
功	能:	獲取接口數量
參	數:	無
*******************************************************************/
int?get_interface_num（）{
	return?interface_num;
}

/******************************************************************
函	數:	int?getinterface（）
功	能:	獲取接口信息
參	數:	無
*******************************************************************/
void?getinterface（）{
	struct?ifreq?buf[MAXINTERFACES];????/*?ifreq結構數組?*/
	struct?ifconf?ifc;??????????????????/*?ifconf結構?*/
	
	int?sock_raw_fd?=?socket（PF_PACKET?SOCK_RAW?htons（ETH_P_ALL））;
	?/*?初始化ifconf結構?*/
????ifc.ifc_len?=?sizeof（buf）;
????ifc.ifc_buf?=?（caddr_t）?buf;
?
????/*?獲得接口列表?*/
????if?（ioctl（sock_raw_fd?SIOCGIFCONF?（char?*）?&ifc）?==?-1）{
????????perror（“SIOCGIFCONF?ioctl“）;
????????return?;
????}
????interface_num?=?ifc.ifc_len?/?sizeof（struct?ifreq）;?/*?接口數量?*/
????printf（“interface_num=%d\n\n“?interface_num）;
?	char?buff[20]=““;
	int?ip;
	int?if_len?=?interface_num;
????while?（if_len--?>?0）{?/*?遍歷每個接口?*/
????????printf（“%s\n“?buf[if_len].ifr_name）;?/*?接口名稱?*/
????????sprintf（net_interface[if_len].name?“%s“?buf[if_len].ifr_name）;?/*?接口名稱?*/
		printf（“-%d-%s--\n“if_lennet_interface[if_len].name）;
????????/*?獲得接口標志?*/
????????if?（!（ioctl（sock_raw_fd?SIOCGIFFLAGS?（char?*）?&buf[if_len]）））{
????????????/*?接口狀態?*/
????????????if?（buf[if_len].ifr_flags?&?IFF_UP）{
????????????????printf（“UP\n“）;
				net_interface[if_len].flag?=?1;
????????????}
????????????else{
????????????????printf（“DOWN\n“）;
				net_interface[if_len].flag?=?0;
????????????}
????????}else{
????????????char?str[256];
????????????sprintf（str?“SIOCGIFFLAGS?ioctl?%s“?buf[if_len].ifr_name）;
????????????perror（str）;
????????}
?
????????/*?IP地址?*/
????????if?（!（ioctl（sock_raw_fd?SIOCGIFADDR?（char?*）?&buf[if_len]）））{
			printf（“IP:%s\n“（char*）inet_ntoa（（（struct?sockaddr_in*）?（&buf[if_len].ifr_addr））->sin_addr））;
			bzero（buffsizeof（buff））;
			sprintf（buff?“%s“?（char*）inet_ntoa（（（struct?sockaddr_in*）?（&buf[if_len].ifr_addr））->sin_addr））;
			inet_pton（AF_INET?buff?&ip）;
			memcpy（net_interface[if_len].ip?&ip?4）;
		}else{
????????????char?str[256];
????????????sprintf（str?“SIOCGIFADDR?ioctl?%s“?buf[if_len].ifr_name）;
????????????perror（str）;
????????}
?
????????/*?子網掩碼?*/
????????if?（!（ioctl（sock_raw_fd?SIOCGIFNETMASK?（char?*）?&buf[if_len]）））{
????????????printf（“netmask:%s\n“（char*）inet_ntoa（（（struct?sockaddr_in*）?（&buf[if_len].ifr_addr））->sin_addr））;
			bzero（buffsizeof（buff））;
			sprintf（buff?“%s“?（char*）inet

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-11-01?15:25??簡易路由器-demo\
?????文件???????15872??2018-11-01?15:22??簡易路由器-demo\BUG_LIST.wps
?????目錄???????????0??2018-11-01?15:22??簡易路由器-demo\getinterface\
?????文件????????4769??2018-11-01?15:22??簡易路由器-demo\getinterface\get_interface.c
?????文件?????????876??2018-11-01?15:22??簡易路由器-demo\getinterface\get_interface.h
?????文件?????????131??2018-11-01?15:22??簡易路由器-demo\getinterface\建議.txt
?????目錄???????????0??2018-11-01?15:23??簡易路由器-demo\V1.2\
?????文件????????2207??2018-11-01?15:23??簡易路由器-demo\V1.2\arp_link.c
?????文件????????1556??2018-11-01?15:23??簡易路由器-demo\V1.2\arp_link.h
?????文件?????????535??2018-11-01?15:22??簡易路由器-demo\V1.2\arp_pthread.c
?????文件?????????324??2018-11-01?15:22??簡易路由器-demo\V1.2\arp_pthread.h
?????文件????????4769??2018-11-01?15:22??簡易路由器-demo\V1.2\get_interface.c
?????文件?????????876??2018-11-01?15:22??簡易路由器-demo\V1.2\get_interface.h
?????文件??????????26??2018-11-01?15:22??簡易路由器-demo\V1.2\ip_config
?????文件????????4196??2018-11-01?15:22??簡易路由器-demo\V1.2\ip_link.c
?????文件????????2403??2018-11-01?15:22??簡易路由器-demo\V1.2\ip_link.h
?????文件????????5063??2018-11-01?15:22??簡易路由器-demo\V1.2\ip_pthread.c
?????文件?????????394??2018-11-01?15:22??簡易路由器-demo\V1.2\ip_pthread.h
?????文件????????4060??2018-11-01?15:22??簡易路由器-demo\V1.2\key_pthread.c
?????文件?????????315??2018-11-01?15:22??簡易路由器-demo\V1.2\key_pthread.h
?????文件????????2215??2018-11-01?15:22??簡易路由器-demo\V1.2\main.c
?????文件?????????178??2018-11-01?15:22??簡易路由器-demo\V1.2\main.h
?????文件?????????291??2018-11-01?15:23??簡易路由器-demo\V1.2\Makefile
?????文件?????????305??2018-11-01?15:22??簡易路由器-demo\V1.2\說明.txt
?????文件???????53343??2018-11-01?15:22??簡易路由器-demo\流程圖.pdf
?????目錄???????????0??2018-11-01?15:22??簡易路由器-demo\演示\
?????文件????????4008??2018-11-01?15:22??簡易路由器-demo\演示\Linux下配置ip.txt
?????文件??????????32??2018-11-01?15:22??簡易路由器-demo\演示\演示.txt