92 lines
2 KiB
Go
92 lines
2 KiB
Go
package outboundgroup
|
|
|
|
import (
|
|
"context"
|
|
"encoding/json"
|
|
"errors"
|
|
|
|
"github.com/Dreamacro/clash/adapters/outbound"
|
|
"github.com/Dreamacro/clash/adapters/provider"
|
|
"github.com/Dreamacro/clash/common/singledo"
|
|
C "github.com/Dreamacro/clash/constant"
|
|
)
|
|
|
|
type Selector struct {
|
|
*outbound.Base
|
|
single *singledo.Single
|
|
selected string
|
|
providers []provider.ProxyProvider
|
|
}
|
|
|
|
func (s *Selector) DialContext(ctx context.Context, metadata *C.Metadata) (C.Conn, error) {
|
|
c, err := s.selectedProxy().DialContext(ctx, metadata)
|
|
if err == nil {
|
|
c.AppendToChains(s)
|
|
}
|
|
return c, err
|
|
}
|
|
|
|
func (s *Selector) DialUDP(metadata *C.Metadata) (C.PacketConn, error) {
|
|
pc, err := s.selectedProxy().DialUDP(metadata)
|
|
if err == nil {
|
|
pc.AppendToChains(s)
|
|
}
|
|
return pc, err
|
|
}
|
|
|
|
func (s *Selector) SupportUDP() bool {
|
|
return s.selectedProxy().SupportUDP()
|
|
}
|
|
|
|
func (s *Selector) MarshalJSON() ([]byte, error) {
|
|
var all []string
|
|
for _, proxy := range getProvidersProxies(s.providers) {
|
|
all = append(all, proxy.Name())
|
|
}
|
|
|
|
return json.Marshal(map[string]interface{}{
|
|
"type": s.Type().String(),
|
|
"now": s.Now(),
|
|
"all": all,
|
|
})
|
|
}
|
|
|
|
func (s *Selector) Now() string {
|
|
return s.selectedProxy().Name()
|
|
}
|
|
|
|
func (s *Selector) Set(name string) error {
|
|
for _, proxy := range getProvidersProxies(s.providers) {
|
|
if proxy.Name() == name {
|
|
s.selected = name
|
|
return nil
|
|
}
|
|
}
|
|
|
|
return errors.New("Proxy does not exist")
|
|
}
|
|
|
|
func (s *Selector) selectedProxy() C.Proxy {
|
|
elm, _, _ := s.single.Do(func() (interface{}, error) {
|
|
proxies := getProvidersProxies(s.providers)
|
|
for _, proxy := range proxies {
|
|
if proxy.Name() == s.selected {
|
|
return proxy, nil
|
|
}
|
|
}
|
|
|
|
return proxies[0], nil
|
|
})
|
|
|
|
return elm.(C.Proxy)
|
|
}
|
|
|
|
func NewSelector(name string, providers []provider.ProxyProvider) *Selector {
|
|
selected := providers[0].Proxies()[0].Name()
|
|
return &Selector{
|
|
Base: outbound.NewBase(name, "", C.Selector, false),
|
|
single: singledo.NewSingle(defaultGetProxiesDuration),
|
|
providers: providers,
|
|
selected: selected,
|
|
}
|
|
}
|