init

go-gost/x/registry/chain.go

@@ -0,0 +1,64 @@
+package registry
+
+import (
+	"context"
+
+	"github.com/go-gost/core/chain"
+	"github.com/go-gost/core/metadata"
+	"github.com/go-gost/core/selector"
+)
+
+type chainRegistry struct {
+	registry[chain.Chainer]
+}
+
+func (r *chainRegistry) Register(name string, v chain.Chainer) error {
+	return r.registry.Register(name, v)
+}
+
+func (r *chainRegistry) Get(name string) chain.Chainer {
+	if name != "" {
+		return &chainWrapper{name: name, r: r}
+	}
+	return nil
+}
+
+func (r *chainRegistry) get(name string) chain.Chainer {
+	return r.registry.Get(name)
+}
+
+type chainWrapper struct {
+	name string
+	r    *chainRegistry
+}
+
+func (w *chainWrapper) Marker() selector.Marker {
+	v := w.r.get(w.name)
+	if v == nil {
+		return nil
+	}
+	if mi, ok := v.(selector.Markable); ok {
+		return mi.Marker()
+	}
+	return nil
+}
+
+func (w *chainWrapper) Metadata() metadata.Metadata {
+	v := w.r.get(w.name)
+	if v == nil {
+		return nil
+	}
+
+	if mi, ok := v.(metadata.Metadatable); ok {
+		return mi.Metadata()
+	}
+	return nil
+}
+
+func (w *chainWrapper) Route(ctx context.Context, network, address string, opts ...chain.RouteOption) chain.Route {
+	v := w.r.get(w.name)
+	if v == nil {
+		return nil
+	}
+	return v.Route(ctx, network, address, opts...)
+}