void get_net_info(char *if_name, NetInfo * netinfo)
{
struct ifreq ifr;
int fd;
fd = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP);
/* IPv4 */
ifr.ifr_addr.sa_family = AF_INET;
strcpy(netinfo->name, if_name);
/* MTU */
strcpy(ifr.ifr_name, if_name);
if (ioctl(fd, SIOCGIFMTU, &ifr) < 0) {
netinfo->mtu = 0;
} else {
netinfo->mtu = ifr.ifr_mtu;
}
/* HW Address */
strcpy(ifr.ifr_name, if_name);
if (ioctl(fd, SIOCGIFHWADDR, &ifr) < 0) {
memset(netinfo->mac, 0, 8);
} else {
memcpy(netinfo->mac, ifr.ifr_ifru.ifru_hwaddr.sa_data, 8);
}
/* IP Address */
strcpy(ifr.ifr_name, if_name);
if (ioctl(fd, SIOCGIFADDR, &ifr) < 0) {
netinfo->ip[0] = 0;
} else {
sprintf(netinfo->ip, "%s",
inet_ntoa(((struct sockaddr_in *) &ifr.ifr_addr)->
sin_addr));
}
/* Mask Address */
strcpy(ifr.ifr_name, if_name);
if (ioctl(fd, SIOCGIFNETMASK, &ifr) < 0) {
netinfo->mask[0] = 0;
} else {
sprintf(netinfo->mask, "%s",
inet_ntoa(((struct sockaddr_in *) &ifr.ifr_addr)->
sin_addr));
}
/* Broadcast Address */
strcpy(ifr.ifr_name, if_name);
if (ioctl(fd, SIOCGIFBRDADDR, &ifr) < 0) {
netinfo->broadcast[0] = 0;
} else {
sprintf(netinfo->broadcast, "%s",
inet_ntoa(((struct sockaddr_in *) &ifr.ifr_addr)->
sin_addr));
}
#ifdef HAS_LINUX_WE
get_wireless_info(fd, netinfo);
#endif
shutdown(fd, 0);
close(fd);
}
void
get_device_info(const char *device, DevInfo *devinfo)
{
glibtop_netload netload;
guint8 *hw;
g_assert(device);
memset(devinfo, 0, sizeof *devinfo);
devinfo->name = g_strdup(device);
devinfo->type = DEV_UNKNOWN;
glibtop_get_netload(&netload, device);
devinfo->tx = netload.bytes_out;
devinfo->rx = netload.bytes_in;
devinfo->up = (netload.if_flags & (1L << GLIBTOP_IF_FLAGS_UP) ? TRUE : FALSE);
devinfo->running = (netload.if_flags & (1L << GLIBTOP_IF_FLAGS_RUNNING) ? TRUE : FALSE);
devinfo->ip = format_ipv4(netload.address);
devinfo->netmask = format_ipv4(netload.subnet);
devinfo->ipv6 = format_ipv6(netload.address6);
devinfo->qual = 0;
devinfo->essid = NULL;
hw = netload.hwaddress;
if (hw[6] || hw[7]) {
devinfo->hwaddr = g_strdup_printf(
"%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X",
hw[0], hw[1], hw[2], hw[3],
hw[4], hw[5], hw[6], hw[7]);
} else {
devinfo->hwaddr = g_strdup_printf(
"%02X:%02X:%02X:%02X:%02X:%02X",
hw[0], hw[1], hw[2],
hw[3], hw[4], hw[5]);
}
/* stolen from gnome-applets/multiload/linux-proc.c */
if(netload.if_flags & (1L << GLIBTOP_IF_FLAGS_LOOPBACK)) {
devinfo->type = DEV_LO;
}
#ifdef HAVE_IW
else if (netload.if_flags & (1L << GLIBTOP_IF_FLAGS_WIRELESS)) {
devinfo->type = DEV_WIRELESS;
get_wireless_info (devinfo);
}
#endif /* HAVE_IW */
else if(netload.if_flags & (1L << GLIBTOP_IF_FLAGS_POINTOPOINT)) {
if (g_str_has_prefix(device, "plip")) {
devinfo->type = DEV_PLIP;
}
else if (g_str_has_prefix(device, "sl")) {
devinfo->type = DEV_SLIP;
}
else {
devinfo->type = DEV_PPP;
}
get_ptp_info(devinfo);
}
else {
devinfo->type = DEV_ETHERNET;
}
}
void print_wireless_info(yajl_gen json_gen, char *buffer, const char *interface, const char *format_up, const char *format_down) {
const char *walk;
char *outwalk = buffer;
wireless_info_t info;
INSTANCE(interface);
const char *ip_address = get_ip_addr(interface);
if (ip_address == NULL) {
START_COLOR("color_bad");
outwalk += sprintf(outwalk, "%s", format_down);
goto out;
}
if (get_wireless_info(interface, &info)) {
walk = format_up;
if (info.flags & WIRELESS_INFO_FLAG_HAS_QUALITY)
START_COLOR((info.quality < info.quality_average ? "color_degraded" : "color_good"));
else
START_COLOR("color_good");
} else {
walk = format_down;
START_COLOR("color_bad");
}
for (; *walk != '\0'; walk++) {
if (*walk != '%') {
*(outwalk++) = *walk;
continue;
}
if (BEGINS_WITH(walk+1, "quality")) {
if (info.flags & WIRELESS_INFO_FLAG_HAS_QUALITY) {
if (info.quality_max)
outwalk += sprintf(outwalk, "%03d%%", PERCENT_VALUE(info.quality, info.quality_max));
else
outwalk += sprintf(outwalk, "%d", info.quality);
} else {
*(outwalk++) = '?';
}
walk += strlen("quality");
}
if (BEGINS_WITH(walk+1, "signal")) {
if (info.flags & WIRELESS_INFO_FLAG_HAS_SIGNAL) {
if (info.signal_level_max)
outwalk += sprintf(outwalk, "%03d%%", PERCENT_VALUE(info.signal_level, info.signal_level_max));
else
outwalk += sprintf(outwalk, "%d dBm", info.signal_level);
} else {
*(outwalk++) = '?';
}
walk += strlen("signal");
}
if (BEGINS_WITH(walk+1, "noise")) {
if (info.flags & WIRELESS_INFO_FLAG_HAS_NOISE) {
if (info.noise_level_max)
outwalk += sprintf(outwalk, "%03d%%", PERCENT_VALUE(info.noise_level, info.noise_level_max));
else
outwalk += sprintf(outwalk, "%d dBm", info.noise_level);
} else {
*(outwalk++) = '?';
}
walk += strlen("noise");
}
if (BEGINS_WITH(walk+1, "essid")) {
if (info.flags & WIRELESS_INFO_FLAG_HAS_ESSID)
outwalk += sprintf(outwalk, "%s", info.essid);
else
*(outwalk++) = '?';
walk += strlen("essid");
}
if (BEGINS_WITH(walk+1, "ip")) {
outwalk += sprintf(outwalk, "%s", ip_address);
walk += strlen("ip");
}
#ifdef LINUX
if (BEGINS_WITH(walk+1, "bitrate")) {
char br_buffer[128];
iw_print_bitrate(br_buffer, sizeof(br_buffer), info.bitrate);
outwalk += sprintf(outwalk, "%s", br_buffer);
walk += strlen("bitrate");
}
#endif
}
out:
END_COLOR;
OUTPUT_FULL_TEXT(buffer);
}
