fix sth

engine/engine.go

@@ -189,7 +189,7 @@ func netstack(k *Key) (err error) {
 		}
 	}()
 
-	if _defaultProxy, err = parseProxy(k.Proxy); err != nil {
+	if _defaultProxy, err = proxy.ParseFromURL(k.Proxy); err != nil {
 		return
 	}
 	proxy.DefaultProxy = _defaultProxy

engine/parse.go

@@ -9,7 +9,6 @@ import (
 	"github.com/xjasonlyu/tun2socks/v2/core/device"
 	"github.com/xjasonlyu/tun2socks/v2/core/device/fdbased"
 	"github.com/xjasonlyu/tun2socks/v2/core/device/tun"
-	"github.com/xjasonlyu/tun2socks/v2/proxy"
 )
 
 func parseRestAPI(s string) (*url.URL, error) {
@@ -65,10 +64,6 @@ func parseFD(u *url.URL, mtu uint32) (device.Device, error) {
 	return fdbased.Open(u.Host, mtu, 0)
 }
 
-func parseProxy(s string) (proxy.Proxy, error) {
-	return proxy.ParseFromURL(s)
-}
-
 func parseMulticastGroups(s string) (multicastGroups []net.IP, _ error) {
 	ipStrings := strings.Split(s, ",")
 	for _, ipString := range ipStrings {

proxy/direct/direct.go

@@ -18,7 +18,7 @@ const protocol = "direct"
 
 type Direct struct{ *base.Base }
 
-func New() *Direct { return &Direct{base.New(protocol, "")} }
+func New() *Direct { return &Direct{base.New("", protocol)} }
 
 func Parse(*url.URL) (proxy.Proxy, error) { return New(), nil }
 

proxy/http/http.go

@@ -31,7 +31,7 @@ type HTTP struct {
 
 func New(addr, user, pass string) (*HTTP, error) {
 	return &HTTP{
-		Base: base.New(protocol, addr),
+		Base: base.New(addr, protocol),
 		user: user,
 		pass: pass,
 	}, nil

proxy/protocol.go

@@ -2,6 +2,7 @@ package proxy
 
 import (
 	"errors"
+	"fmt"
 	"net/url"
 	"sync"
 
@@ -56,7 +57,7 @@ func Parse(proxyURL *url.URL) (Proxy, error) {
 	}
 	p := pick(proxyURL.Scheme)
 	if p.parse == nil {
-		return nil, ErrProtocol
+		return nil, fmt.Errorf("%w: %s", ErrProtocol, proxyURL.Scheme)
 	}
 	return p.parse(proxyURL)
 }

proxy/relay/relay.go

@@ -38,7 +38,7 @@ type Relay struct {
 
 func New(addr, user, pass string, noDelay bool) (*Relay, error) {
 	return &Relay{
-		Base:    base.New(protocol, addr),
+		Base:    base.New(addr, protocol),
 		user:    user,
 		pass:    pass,
 		noDelay: noDelay,

proxy/shadowsocks/shadowsocks.go

@@ -39,7 +39,7 @@ func New(addr, method, password, obfsMode, obfsHost string) (*Shadowsocks, error
 	}
 
 	return &Shadowsocks{
-		Base:     base.New(protocol, addr),
+		Base:     base.New(addr, protocol),
 		cipher:   cipher,
 		obfsMode: obfsMode,
 		obfsHost: obfsHost,

proxy/socks5/socks5.go

@@ -32,7 +32,7 @@ type Socks5 struct {
 
 func New(addr, user, pass string) (*Socks5, error) {
 	return &Socks5{
-		Base: base.New(protocol, addr),
+		Base: base.New(addr, protocol),
 		user: user,
 		pass: pass,
 		unix: len(addr) > 0 && addr[0] == '/',