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//go:build freebsd
// +build freebsd
package rctl
// #include <sys/rctl.h>
import "C"
import (
"bytes"
"fmt"
"strconv"
"strings"
"syscall"
"unsafe"
"github.com/sirupsen/logrus"
)
func GetRacct(filter string) (map[string]uint64, error) {
bp, err := syscall.ByteSliceFromString(filter)
if err != nil {
return nil, err
}
var buf [1024]byte
_, _, errno := syscall.Syscall6(syscall.SYS_RCTL_GET_RACCT,
uintptr(unsafe.Pointer(&bp[0])),
uintptr(len(bp)),
uintptr(unsafe.Pointer(&buf[0])),
uintptr(len(buf)), 0, 0)
if errno != 0 {
return nil, fmt.Errorf("error calling rctl_get_racct with filter %s: %v", errno)
}
len := bytes.IndexByte(buf[:], byte(0))
entries := strings.Split(string(buf[:len]), ",")
res := make(map[string]uint64)
for _, entry := range entries {
kv := strings.SplitN(entry, "=", 2)
key := kv[0]
val, err := strconv.ParseUint(kv[1], 10, 0)
if err != nil {
logrus.Warnf("unexpected rctl entry, ignoring: %s", entry)
}
res[key] = val
}
return res, nil
}
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