slstatus/components/netspeeds.c
Tobias Tschinkowitz 22175f0d57 implemented openbsd netspeed functions
implemented the netspeed functionality for openbsd.
furthermore the static keyword was removed of the interval variable in
config.def.h for usage as extern variable.
2018-05-19 01:44:36 +02:00

112 lines
2.5 KiB
C

/* See LICENSE file for copyright and license details. */
#include <stdio.h>
#include <limits.h>
#include "../util.h"
#if defined(__linux__)
const char *
netspeed_rx(const char *interface)
{
static int valid;
static unsigned long long rxbytes;
unsigned long oldrxbytes;
extern const unsigned int interval;
char path[PATH_MAX];
oldrxbytes = rxbytes;
snprintf(path, sizeof(path), "/sys/class/net/%s/statistics/rx_bytes", interface);
if (pscanf(path, "%llu", &rxbytes) != 1) {
return NULL;
}
if (!valid) {
valid = 1;
return NULL;
}
return fmt_scaled((rxbytes - oldrxbytes) / interval * 1000);
}
const char *
netspeed_tx(const char *interface)
{
static int valid;
static unsigned long long txbytes;
unsigned long oldtxbytes;
extern const unsigned int interval;
char path[PATH_MAX];
oldtxbytes = txbytes;
snprintf(path, sizeof(path), "/sys/class/net/%s/statistics/tx_bytes", interface);
if (pscanf(path, "%llu", &txbytes) != 1) {
return NULL;
}
if (!valid) {
valid = 1;
return NULL;
}
return fmt_scaled((txbytes - oldtxbytes) / interval * 1000);
}
#elif defined(__OpenBSD__)
#include <string.h>
#include <ifaddrs.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <net/if.h>
const char *
netspeed_rx(const char *interface)
{
struct ifaddrs *ifal, *ifa;
struct if_data *ifd;
static uint64_t oldrxbytes;
uint64_t rxbytes = 0;
const char *rxs;
extern const unsigned int interval;
if (getifaddrs(&ifal) == -1) {
warn("getifaddrs failed");
return NULL;
}
for (ifa = ifal; ifa; ifa = ifa->ifa_next) {
if (!strcmp(ifa->ifa_name, interface) &&
(ifd = (struct if_data *)ifa->ifa_data)) {
rxbytes += ifd->ifi_ibytes;
}
}
freeifaddrs(ifal);
rxs = oldrxbytes ? fmt_scaled((rxbytes - oldrxbytes) /
interval * 1000) : NULL;
return (oldrxbytes = rxbytes, rxs);
}
const char *
netspeed_tx(const char *interface)
{
struct ifaddrs *ifal, *ifa;
struct if_data *ifd;
static uint64_t oldtxbytes;
uint64_t txbytes = 0;
const char *txs;
extern const unsigned int interval;
if (getifaddrs(&ifal) == -1) {
warn("getifaddrs failed");
return NULL;
}
for (ifa = ifal; ifa; ifa = ifa->ifa_next) {
if (!strcmp(ifa->ifa_name, interface) &&
(ifd = (struct if_data *)ifa->ifa_data)) {
txbytes += ifd->ifi_obytes;
}
}
freeifaddrs(ifal);
txs = oldtxbytes ? fmt_scaled((txbytes - oldtxbytes) /
interval * 1000) : NULL;
return (oldtxbytes = txbytes, txs);
}
#endif