forked from TrueCloudLab/distribution
28 lines
619 B
Go
28 lines
619 B
Go
|
package registry
|
||
|
|
|
||
|
|
import (
|
||
|
|
"net/http"
|
||
|
|
"reflect"
|
||
|
|
"runtime"
|
||
|
|
|
||
|
|
"github.com/gorilla/handlers"
|
||
|
|
)
|
||
|
|
|
||
|
|
// functionName returns the name of the function fn.
|
||
|
|
func functionName(fn interface{}) string {
|
||
|
|
return runtime.FuncForPC(reflect.ValueOf(fn).Pointer()).Name()
|
||
|
|
}
|
||
|
|
|
||
|
|
// resolveHandlerName attempts to resolve a nice, pretty name for the passed
|
||
|
|
// in handler.
|
||
|
|
func resolveHandlerName(method string, handler http.Handler) string {
|
||
|
|
switch v := handler.(type) {
|
||
|
|
case handlers.MethodHandler:
|
||
|
|
return functionName(v[method])
|
||
|
|
case http.HandlerFunc:
|
||
|
|
return functionName(v)
|
||
|
|
default:
|
||
|
|
return functionName(handler.ServeHTTP)
|
||
|
|
}
|
||
|
|
}
|