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package caller
import (
"runtime"
"strings"
)
func callerInfo(i int) string {
ptr, _, _, ok := runtime.Caller(i)
fName := "unknown"
if ok {
f := runtime.FuncForPC(ptr)
if f != nil {
// f.Name() is like: github.com/docker/libnetwork/caller.MethodName
tmp := strings.Split(f.Name(), ".")
if len(tmp) > 0 {
fName = tmp[len(tmp)-1]
}
}
}
return fName
}
// Name returns the name of the function at the specified level
// level == 0 means current method name
func Name(level int) string {
return callerInfo(2 + level)
}
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