incorporate changes in router implementation

app/router/strategy_random.go

@@ -2,33 +2,12 @@ package router
 
 import (
 	"github.com/v2fly/v2ray-core/v4/common/dice"
-	"github.com/v2fly/v2ray-core/v4/features/routing"
 )
 
 // RandomStrategy represents a random balancing strategy
 type RandomStrategy struct{}
 
-// GetInformation implements the routing.BalancingStrategy.
-func (s *RandomStrategy) GetInformation(tags []string) *routing.StrategyInfo {
-	items := make([]*routing.OutboundInfo, 0)
-	for _, tag := range tags {
-		items = append(items, &routing.OutboundInfo{Tag: tag})
-	}
-	return &routing.StrategyInfo{
-		Settings:    []string{"random"},
-		ValueTitles: nil,
-		Selects:     items,
-		Others:      nil,
-	}
-}
-
-// SelectAndPick implements the routing.BalancingStrategy.
-func (s *RandomStrategy) SelectAndPick(candidates []string) string {
-	return s.Pick(candidates)
-}
-
-// Pick implements the routing.BalancingStrategy.
-func (s *RandomStrategy) Pick(candidates []string) string {
+func (s *RandomStrategy) PickOutbound(candidates []string) string {
 	count := len(candidates)
 	if count == 0 {
 		// goes to fallbackTag