feat: proxies group URLTest api

constant/adapters.go

@@ -108,6 +108,11 @@ type ProxyAdapter interface {
 	Unwrap(metadata *Metadata) Proxy
 }
 
+type Group interface {
+	URLTest(ctx context.Context, url string) (mp map[string]uint16, err error)
+	GetProxies(touch bool) []Proxy
+}
+
 type DelayHistory struct {
 	Time  time.Time `json:"time"`
 	Delay uint16    `json:"delay"`

constant/provider/interface.go

@@ -1,7 +1,7 @@
 package provider
 
 import (
-	"github.com/Dreamacro/clash/constant"
+	C "github.com/Dreamacro/clash/constant"
 )
 
 // Vehicle Type
@@ -65,10 +65,10 @@ type Provider interface {
 // ProxyProvider interface
 type ProxyProvider interface {
 	Provider
-	Proxies() []constant.Proxy
+	Proxies() []C.Proxy
 	// ProxiesWithTouch is used to inform the provider that the proxy is actually being used while getting the list of proxies.
 	// Commonly used in DialContext and DialPacketConn
-	ProxiesWithTouch() []constant.Proxy
+	ProxiesWithTouch() []C.Proxy
 	HealthCheck()
 	Version() uint
 }
@@ -100,7 +100,7 @@ func (rt RuleType) String() string {
 type RuleProvider interface {
 	Provider
 	Behavior() RuleType
-	Match(*constant.Metadata) bool
+	Match(*C.Metadata) bool
 	ShouldResolveIP() bool
-	AsRule(adaptor string) constant.Rule
+	AsRule(adaptor string) C.Rule
 }