Add rule set

experimental/cachefile/cache.go

@@ -22,11 +22,13 @@ var (
 	bucketSelected = []byte("selected")
 	bucketExpand   = []byte("group_expand")
 	bucketMode     = []byte("clash_mode")
+	bucketRuleSet  = []byte("rule_set")
 
 	bucketNameList = []string{
 		string(bucketSelected),
 		string(bucketExpand),
 		string(bucketMode),
+		string(bucketRuleSet),
 	}
 
 	cacheIDDefault = []byte("default")
@@ -257,3 +259,36 @@ func (c *CacheFile) StoreGroupExpand(group string, isExpand bool) error {
 		}
 	})
 }
+
+func (c *CacheFile) LoadRuleSet(tag string) *adapter.SavedRuleSet {
+	var savedSet adapter.SavedRuleSet
+	err := c.DB.View(func(t *bbolt.Tx) error {
+		bucket := c.bucket(t, bucketRuleSet)
+		if bucket == nil {
+			return os.ErrNotExist
+		}
+		setBinary := bucket.Get([]byte(tag))
+		if len(setBinary) == 0 {
+			return os.ErrInvalid
+		}
+		return savedSet.UnmarshalBinary(setBinary)
+	})
+	if err != nil {
+		return nil
+	}
+	return &savedSet
+}
+
+func (c *CacheFile) SaveRuleSet(tag string, set *adapter.SavedRuleSet) error {
+	return c.DB.Batch(func(t *bbolt.Tx) error {
+		bucket, err := c.createBucket(t, bucketRuleSet)
+		if err != nil {
+			return err
+		}
+		setBinary, err := set.MarshalBinary()
+		if err != nil {
+			return err
+		}
+		return bucket.Put([]byte(tag), setBinary)
+	})
+}

experimental/cachefile/fakeip.go

@@ -25,7 +25,7 @@ func (c *CacheFile) FakeIPMetadata() *adapter.FakeIPMetadata {
 	err := c.DB.Batch(func(tx *bbolt.Tx) error {
 		bucket := tx.Bucket(bucketFakeIP)
 		if bucket == nil {
-			return nil
+			return os.ErrNotExist
 		}
 		metadataBinary := bucket.Get(keyMetadata)
 		if len(metadataBinary) == 0 {