|
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111 |
- /* 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
|