support multiple network interfaces

pkg/handler/option.go

@@ -7,17 +7,12 @@ import (
 	"github.com/go-gost/gost/pkg/auth"
 	"github.com/go-gost/gost/pkg/bypass"
 	"github.com/go-gost/gost/pkg/chain"
-	"github.com/go-gost/gost/pkg/hosts"
 	"github.com/go-gost/gost/pkg/logger"
-	"github.com/go-gost/gost/pkg/resolver"
 )
 
 type Options struct {
-	Retries   int
-	Chain     chain.Chainer
-	Resolver  resolver.Resolver
-	Hosts     hosts.HostMapper
 	Bypass    bypass.Bypass
+	Router    *chain.Router
 	Auth      *url.Userinfo
 	Auther    auth.Authenticator
 	TLSConfig *tls.Config
@@ -26,41 +21,24 @@ type Options struct {
 
 type Option func(opts *Options)
 
-func RetriesOption(retries int) Option {
-	return func(opts *Options) {
-		opts.Retries = retries
-	}
-}
-
-func ChainOption(chain chain.Chainer) Option {
-	return func(opts *Options) {
-		opts.Chain = chain
-	}
-}
-
-func ResolverOption(resolver resolver.Resolver) Option {
-	return func(opts *Options) {
-		opts.Resolver = resolver
-	}
-}
-
-func HostsOption(hosts hosts.HostMapper) Option {
-	return func(opts *Options) {
-		opts.Hosts = hosts
-	}
-}
-
 func BypassOption(bypass bypass.Bypass) Option {
 	return func(opts *Options) {
 		opts.Bypass = bypass
 	}
 }
 
+func RouterOption(router *chain.Router) Option {
+	return func(opts *Options) {
+		opts.Router = router
+	}
+}
+
 func AuthOption(auth *url.Userinfo) Option {
 	return func(opts *Options) {
 		opts.Auth = auth
 	}
 }
+
 func AutherOption(auther auth.Authenticator) Option {
 	return func(opts *Options) {
 		opts.Auther = auther