Feature: add default-nameserver and outbound interface

adapters/outbound/http.go

@@ -13,6 +13,7 @@ import (
 	"net/url"
 	"strconv"
 
+	"github.com/Dreamacro/clash/component/dialer"
 	C "github.com/Dreamacro/clash/constant"
 )
 
@@ -35,7 +36,7 @@ type HttpOption struct {
 }
 
 func (h *Http) DialContext(ctx context.Context, metadata *C.Metadata) (C.Conn, error) {
-	c, err := dialContext(ctx, "tcp", h.addr)
+	c, err := dialer.DialContext(ctx, "tcp", h.addr)
 	if err == nil && h.tlsConfig != nil {
 		cc := tls.Client(c, h.tlsConfig)
 		err = cc.Handshake()