cs服务器在线状态,判断网络在线状态

最新推荐文章于 2024-10-17 13:23:22 发布

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最新推荐文章于 2024-10-17 13:23:22 发布

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文章标签： cs服务器在线状态

/*******************************************************************************

$function_name: check_online_status

$function_decs: check online status

$function_arguments:

$function_return:

TRUE: online

FALSE: offline

$function_remark:

*******************************************************************************/

gboolean check_online_status()

{

gint ret = 0;

gint sfd;

struct ifreq ifr;

sfd = socket (PF_INET, SOCK_STREAM, 0);

if (sfd < 0)

{

SYSLOG_ERR ("BLOG: EXTR: socket err in %s\n", __func__);

return FALSE;

}

g_strlcpy (ifr.ifr_name, "eth0", 16);

ret = ioctl (sfd, SIOCGIFFLAGS, &ifr);

if (ret < 0)

{

SYSLOG_ERR ("BLOG: EXTR: ioctl err in %s\n", __func__);

}

if (((ifr.ifr_flags) & IFF_UP) && ((ifr.ifr_flags) & IFF_RUNNING))

{

goto ok;

}

else

{

g_strlcpy (ifr.ifr_name, "ath0", 16);

ret = ioctl (sfd, SIOCGIFFLAGS, &ifr);

if (ret < 0)

{

SYSLOG_ERR ("BLOG: EXTR: ioctl err in %s\n", __func__);

}

if (((ifr.ifr_flags) & IFF_UP) && ((ifr.ifr_flags) & IFF_RUNNING))

{

goto ok;

}

else

{

/* 穷举开始 */

g_strlcpy (ifr.ifr_name, "wlan0", 16);

ret = ioctl (sfd, SIOCGIFFLAGS, &ifr);

if (ret < 0)

{

SYSLOG_ERR ("BLOG: EXTR: ioctl err in %s\n", __func__);

}

if (((ifr.ifr_flags) & IFF_UP) && ((ifr.ifr_flags) & IFF_RUNNING))

{

goto ok;

}

else

{

g_strlcpy (ifr.ifr_name, "wifi0", 16);

ret = ioctl (sfd, SIOCGIFFLAGS, &ifr);

if (ret < 0)

{

SYSLOG_ERR ("BLOG: EXTR: ioctl err in %s\n", __func__);

}

if (((ifr.ifr_flags) & IFF_UP) && ((ifr.ifr_flags) & IFF_RUNNING))

{

goto ok;

}

else

{

goto err;

}

err:

close (sfd);

return FALSE;

ok:

close (sfd);

return TRUE;

}

----------------------------------------------------------

#include ;

int

main(int argc,char **argv)

{

int s;

struct ifreq ifr;

struct ifmediareq ifmr;

int *media_list;

char name[IFNAMSIZ];

if(2 != argc){

printf("Usage:\ntest cardname(e.g: vr0)\n");

return 1;

}

strncpy(name, argv[1], sizeof(name));

ifr.ifr_addr.sa_family = AF_INET;

strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));

if ((s = socket(ifr.ifr_addr.sa_family, SOCK_DGRAM, 0)) < 0)

err(1, "socket");

(void) memset(&ifmr, 0, sizeof(ifmr));

(void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name));

if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0)

err(1, "SIOCGIFMEDIA");

if (ifmr.ifm_count == 0) {

warnx("%s: no media types?", name);

return;

}

media_list = (int *)malloc(ifmr.ifm_count * sizeof(int));

if (media_list == NULL)

err(1, "malloc");

ifmr.ifm_ulist = media_list;

if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0)

err(1, "SIOCGIFMEDIA");

if (ifmr.ifm_status & IFM_AVALID) {

printf("\tstatus: ");

switch (IFM_TYPE(ifmr.ifm_active)) {

case IFM_ETHER:

if (ifmr.ifm_status & IFM_ACTIVE)

printf("active");

else

printf("no carrier");

break;

case IFM_FDDI:

case IFM_TOKEN:

if (ifmr.ifm_status & IFM_ACTIVE)

printf("inserted");

else

printf("no ring");

break;

case IFM_ATM:

if (ifmr.ifm_status & IFM_ACTIVE)

printf("active");

else

printf("no carrier");

break;

case IFM_IEEE80211:

if (ifmr.ifm_status & IFM_ACTIVE)

printf("associated");

else

printf("no carrier");

break;

}

putchar('\n');

}

free(media_list);

return 0;

}

[/code]

firewall# gcc test.c -o test

firewall# test vr0

status: active

firewall# test vr1

status: active

firewall# test vr2

test: SIOCGIFMEDIA: Device not configured