From 245b5d5f425498f4d3e44adfa24c36c5136d6cf7 Mon Sep 17 00:00:00 2001
From: Zephyruso <176294927+Zephyruso@users.noreply.github.com>
Date: Mon, 11 Aug 2025 21:26:35 +0800
Subject: [PATCH] Add `/dns/flush-clash` meta api

---
 experimental/clashapi/cache.go | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/experimental/clashapi/cache.go b/experimental/clashapi/cache.go
index 9c088a82..4df1f890 100644
--- a/experimental/clashapi/cache.go
+++ b/experimental/clashapi/cache.go
@@ -14,6 +14,7 @@ import (
 func cacheRouter(ctx context.Context) http.Handler {
 	r := chi.NewRouter()
 	r.Post("/fakeip/flush", flushFakeip(ctx))
+	r.Post("/dns/flush", flushDNS(ctx))
 	return r
 }
 
@@ -31,3 +32,13 @@ func flushFakeip(ctx context.Context) func(w http.ResponseWriter, r *http.Reques
 		render.NoContent(w, r)
 	}
 }
+
+func flushDNS(ctx context.Context) func(w http.ResponseWriter, r *http.Request) {
+	return func(w http.ResponseWriter, r *http.Request) {
+		dnsRouter := service.FromContext[adapter.DNSRouter](ctx)
+		if dnsRouter != nil {
+			dnsRouter.ClearCache()
+		}
+		render.NoContent(w, r)
+	}
+}