66 lines
1.0 KiB
Go
66 lines
1.0 KiB
Go
package registry
|
|
|
|
import (
|
|
"sync"
|
|
|
|
"github.com/go-gost/gost/pkg/chain"
|
|
)
|
|
|
|
var (
|
|
chainReg = &chainRegistry{}
|
|
)
|
|
|
|
func Chain() *chainRegistry {
|
|
return chainReg
|
|
}
|
|
|
|
type chainRegistry struct {
|
|
m sync.Map
|
|
}
|
|
|
|
func (r *chainRegistry) Register(name string, chain chain.Chainer) error {
|
|
if name == "" || chain == nil {
|
|
return nil
|
|
}
|
|
if _, loaded := r.m.LoadOrStore(name, chain); loaded {
|
|
return ErrDup
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (r *chainRegistry) Unregister(name string) {
|
|
r.m.Delete(name)
|
|
}
|
|
|
|
func (r *chainRegistry) IsRegistered(name string) bool {
|
|
_, ok := r.m.Load(name)
|
|
return ok
|
|
}
|
|
|
|
func (r *chainRegistry) Get(name string) chain.Chainer {
|
|
if name == "" {
|
|
return nil
|
|
}
|
|
return &chainWrapper{name: name}
|
|
}
|
|
|
|
func (r *chainRegistry) get(name string) chain.Chainer {
|
|
if v, ok := r.m.Load(name); ok {
|
|
return v.(chain.Chainer)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
type chainWrapper struct {
|
|
name string
|
|
}
|
|
|
|
func (w *chainWrapper) Route(network, address string) *chain.Route {
|
|
v := Chain().get(w.name)
|
|
if v == nil {
|
|
return nil
|
|
}
|
|
return v.Route(network, address)
|
|
}
|