implement default outbound handler

app/proxyman/config.go

@@ -1,5 +1,12 @@
 package proxyman
 
+import (
+	"context"
+	"errors"
+
+	"v2ray.com/core/proxy"
+)
+
 func (s *AllocationStrategy) GetConcurrencyValue() uint32 {
 	if s == nil || s.Concurrency == nil {
 		return 3
@@ -13,3 +20,14 @@ func (s *AllocationStrategy) GetRefreshValue() uint32 {
 	}
 	return s.Refresh.Value
 }
+
+func (c *OutboundHandlerConfig) GetProxyHandler(ctx context.Context) (proxy.OutboundHandler, error) {
+	if c == nil {
+		return nil, errors.New("Proxyman: OutboundHandlerConfig is nil.")
+	}
+	config, err := c.ProxySettings.GetInstance()
+	if err != nil {
+		return nil, err
+	}
+	return proxy.CreateOutboundHandler(ctx, config)
+}