Chore: improve outbound architecture

adapters/outbound/urltest.go

@@ -3,6 +3,7 @@ package adapters
 import (
 	"encoding/json"
 	"errors"
+	"net"
 	"sort"
 	"sync"
 	"sync/atomic"
@@ -12,7 +13,7 @@ import (
 )
 
 type URLTest struct {
-	name     string
+	*Base
 	proxies  []C.Proxy
 	rawURL   string
 	fast     C.Proxy
@@ -28,19 +29,11 @@ type URLTestOption struct {
 	Interval int      `proxy:"interval"`
 }
 
-func (u *URLTest) Name() string {
-	return u.name
-}
-
-func (u *URLTest) Type() C.AdapterType {
-	return C.URLTest
-}
-
 func (u *URLTest) Now() string {
 	return u.fast.Name()
 }
 
-func (u *URLTest) Generator(metadata *C.Metadata) (adapter C.ProxyAdapter, err error) {
+func (u *URLTest) Generator(metadata *C.Metadata) (net.Conn, error) {
 	a, err := u.fast.Generator(metadata)
 	if err != nil {
 		go u.speedTest()
@@ -128,7 +121,10 @@ func NewURLTest(option URLTestOption, proxies []C.Proxy) (*URLTest, error) {
 
 	interval := time.Duration(option.Interval) * time.Second
 	urlTest := &URLTest{
-		name:     option.Name,
+		Base: &Base{
+			name: option.Name,
+			tp:   C.URLTest,
+		},
 		proxies:  proxies[:],
 		rawURL:   option.URL,
 		fast:     proxies[0],