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#include "netio.h"
#include "common/netif.h"
#include "common/mallocHelper.h"
#include <net/if.h>
#include <net/if_mib.h>
#include <sys/sysctl.h>
const char* ffNetIOGetIoCounters(FFlist* result, FFNetIOOptions* options) {
int mib[] = { CTL_NET, PF_LINK, NETLINK_GENERIC, options->defaultRouteOnly ? IFMIB_IFDATA : IFMIB_IFALLDATA, options->defaultRouteOnly ? (int) ffNetifGetDefaultRouteV4()->ifIndex : 0, IFDATA_GENERAL };
size_t bufSize = 0;
if (sysctl(mib, ARRAY_SIZE(mib), NULL, &bufSize, 0, 0) < 0) {
return "sysctl(mib, ARRAY_SIZE(mib), NULL, &bufSize, 0, 0) failed";
}
assert(bufSize % sizeof(struct ifmibdata) == 0);
FF_AUTO_FREE struct ifmibdata* buf = (struct ifmibdata*) malloc(bufSize);
if (sysctl(mib, ARRAY_SIZE(mib), buf, &bufSize, 0, 0) < 0) {
return "sysctl(mib, ARRAY_SIZE(mib), buf, &bufSize, 0, 0) failed";
}
size_t ifCount = bufSize / sizeof(struct ifmibdata);
const char* defaultRouteIfName = ffNetifGetDefaultRouteV4()->ifName;
for (size_t i = 0; i < ifCount; i++) {
struct ifmibdata* mibdata = &buf[i];
if (!(mibdata->ifmd_flags & IFF_RUNNING) || (mibdata->ifmd_flags & IFF_NOARP)) {
continue;
}
if (options->namePrefix.length && strncmp(mibdata->ifmd_name, options->namePrefix.chars, options->namePrefix.length) != 0) {
continue;
}
FFNetIOResult* counters = FF_LIST_ADD(FFNetIOResult, *result);
*counters = (FFNetIOResult) {
.name = ffStrbufCreateS(mibdata->ifmd_name),
.txBytes = mibdata->ifmd_data.ifi_obytes,
.rxBytes = mibdata->ifmd_data.ifi_ibytes,
.txPackets = mibdata->ifmd_data.ifi_opackets,
.rxPackets = mibdata->ifmd_data.ifi_ipackets,
.txErrors = mibdata->ifmd_data.ifi_oerrors,
.rxErrors = mibdata->ifmd_data.ifi_ierrors,
.txDrops = mibdata->ifmd_snd_drops,
.rxDrops = mibdata->ifmd_data.ifi_iqdrops,
.defaultRoute = strncmp(mibdata->ifmd_name, defaultRouteIfName, IFNAMSIZ) == 0,
};
}
return NULL;
}
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