98 lines
2.2 KiB
C
98 lines
2.2 KiB
C
/* MiniUPnP project
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* http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
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* author: Ryan Wagoner and Thomas Bernard
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* (c) 2007 Darren Reed
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* This software is subject to the conditions detailed
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* in the LICENCE file provided within the distribution */
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#include <syslog.h>
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#include <string.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <kstat.h>
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#include <sys/sysmacros.h>
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#include "../getifstats.h"
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int
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getifstats(const char * ifname, struct ifdata * data)
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{
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char buffer[64], *s;
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kstat_named_t *kn;
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kstat_ctl_t *kc;
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int instance;
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kstat_t *ksp;
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if (data == NULL)
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goto error;
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if (ifname == NULL || *ifname == '\0')
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goto error;
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s = (char *)ifname + strlen(ifname);
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s--;
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while ((s > ifname) && isdigit(*s))
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s--;
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s++;
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instance = atoi(s);
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strlcpy(buffer, ifname, MIN(s - ifname + 1, 64));
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kc = kstat_open();
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if (kc != NULL) {
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ksp = kstat_lookup(kc, buffer, instance, (char *)ifname);
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if (ksp && (kstat_read(kc, ksp, NULL) != -1)) {
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/* found the right interface */
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if (sizeof(long) == 8) {
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kn = kstat_data_lookup(ksp, "rbytes64");
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if (kn != NULL) {
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data->ibytes = kn->value.i64;
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}
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kn = kstat_data_lookup(ksp, "ipackets64");
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if (kn != NULL) {
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data->ipackets = kn->value.i64;
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}
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kn = kstat_data_lookup(ksp, "obytes64");
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if (kn != NULL) {
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data->obytes = kn->value.i64;
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}
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kn = kstat_data_lookup(ksp, "opackets64");
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if (kn != NULL) {
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data->opackets = kn->value.i64;
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}
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} else {
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kn = kstat_data_lookup(ksp, "rbytes");
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if (kn != NULL) {
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data->ibytes = kn->value.i32;
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}
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kn = kstat_data_lookup(ksp, "ipackets");
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if (kn != NULL) {
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data->ipackets = kn->value.i32;
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}
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kn = kstat_data_lookup(ksp, "obytes");
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if (kn != NULL) {
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data->obytes = kn->value.i32;
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}
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kn = kstat_data_lookup(ksp, "opackets");
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if (kn != NULL) {
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data->ipackets = kn->value.i32;
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}
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}
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kn = kstat_data_lookup(ksp, "ifspeed");
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if (kn != NULL) {
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data->baudrate = kn->value.i32;
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}
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kstat_close(kc);
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return 0; /* ok */
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}
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syslog(LOG_ERR, "kstat_lookup/read() failed: %m");
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kstat_close(kc);
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return -1;
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} else {
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syslog(LOG_ERR, "kstat_open() failed: %m");
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}
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error:
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return -1; /* not found or error */
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}
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