x/registry/chain.go
2023-09-30 17:51:55 +08:00

65 lines
1.2 KiB
Go

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...)
}