Add fakeip support

experimental/clashapi/cache.go

@@ -3,21 +3,28 @@ package clashapi
 import (
 	"net/http"
 
+	"github.com/sagernet/sing-box/adapter"
+
 	"github.com/go-chi/chi/v5"
 	"github.com/go-chi/render"
 )
 
-func cacheRouter() http.Handler {
+func cacheRouter(router adapter.Router) http.Handler {
 	r := chi.NewRouter()
-	r.Post("/fakeip/flush", flushFakeip)
+	r.Post("/fakeip/flush", flushFakeip(router))
 	return r
 }
 
-func flushFakeip(w http.ResponseWriter, r *http.Request) {
-	/*if err := cachefile.Cache().FlushFakeip(); err != nil {
-		render.Status(r, http.StatusInternalServerError)
-		render.JSON(w, r, newError(err.Error()))
-		return
-	}*/
-	render.NoContent(w, r)
+func flushFakeip(router adapter.Router) func(w http.ResponseWriter, r *http.Request) {
+	return func(w http.ResponseWriter, r *http.Request) {
+		if cacheFile := router.ClashServer().CacheFile(); cacheFile != nil {
+			err := cacheFile.FakeIPReset()
+			if err != nil {
+				render.Status(r, http.StatusInternalServerError)
+				render.JSON(w, r, newError(err.Error()))
+				return
+			}
+		}
+		render.NoContent(w, r)
+	}
 }