x/registry/registry.go
2022-09-02 10:57:40 +08:00

129 lines
2.7 KiB
Go

package registry
import (
"errors"
"io"
"sync"
"github.com/go-gost/core/admission"
"github.com/go-gost/core/auth"
"github.com/go-gost/core/bypass"
"github.com/go-gost/core/chain"
"github.com/go-gost/core/hosts"
"github.com/go-gost/core/recorder"
"github.com/go-gost/core/resolver"
"github.com/go-gost/core/service"
)
var (
ErrDup = errors.New("registry: duplicate object")
)
var (
listenerReg Registry[NewListener] = &listenerRegistry{}
handlerReg Registry[NewHandler] = &handlerRegistry{}
dialerReg Registry[NewDialer] = &dialerRegistry{}
connectorReg Registry[NewConnector] = &connectorRegistry{}
serviceReg Registry[service.Service] = &serviceRegistry{}
chainReg Registry[chain.SelectableChainer] = &chainRegistry{}
autherReg Registry[auth.Authenticator] = &autherRegistry{}
admissionReg Registry[admission.Admission] = &admissionRegistry{}
bypassReg Registry[bypass.Bypass] = &bypassRegistry{}
resolverReg Registry[resolver.Resolver] = &resolverRegistry{}
hostsReg Registry[hosts.HostMapper] = &hostsRegistry{}
recorderReg Registry[recorder.Recorder] = &recorderRegistry{}
)
type Registry[T any] interface {
Register(name string, v T) error
Unregister(name string)
IsRegistered(name string) bool
Get(name string) T
}
type registry struct {
m sync.Map
}
func (r *registry) Register(name string, v any) error {
if name == "" || v == nil {
return nil
}
if _, loaded := r.m.LoadOrStore(name, v); loaded {
return ErrDup
}
return nil
}
func (r *registry) Unregister(name string) {
if v, ok := r.m.Load(name); ok {
if closer, ok := v.(io.Closer); ok {
closer.Close()
}
r.m.Delete(name)
}
}
func (r *registry) IsRegistered(name string) bool {
_, ok := r.m.Load(name)
return ok
}
func (r *registry) Get(name string) any {
if name == "" {
return nil
}
v, _ := r.m.Load(name)
return v
}
func ListenerRegistry() Registry[NewListener] {
return listenerReg
}
func HandlerRegistry() Registry[NewHandler] {
return handlerReg
}
func DialerRegistry() Registry[NewDialer] {
return dialerReg
}
func ConnectorRegistry() Registry[NewConnector] {
return connectorReg
}
func ServiceRegistry() Registry[service.Service] {
return serviceReg
}
func ChainRegistry() Registry[chain.SelectableChainer] {
return chainReg
}
func AutherRegistry() Registry[auth.Authenticator] {
return autherReg
}
func AdmissionRegistry() Registry[admission.Admission] {
return admissionReg
}
func BypassRegistry() Registry[bypass.Bypass] {
return bypassReg
}
func ResolverRegistry() Registry[resolver.Resolver] {
return resolverReg
}
func HostsRegistry() Registry[hosts.HostMapper] {
return hostsReg
}
func RecorderRegistry() Registry[recorder.Recorder] {
return recorderReg
}