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chore: Remove useless mutex in Vision

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This commit is contained in:
gVisor bot 2023-03-12 10:13:23 +08:00
parent 8df8bf1930
commit cb6f0675f6
1 changed files with 2 additions and 9 deletions
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11
transport/vless/vision.go
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@ -3,7 +3,6 @@ package vless
import ( import (
"bytes" "bytes"
"encoding/binary" "encoding/binary"
"sync"
"github.com/Dreamacro/clash/common/buf" "github.com/Dreamacro/clash/common/buf"
"github.com/Dreamacro/clash/log" "github.com/Dreamacro/clash/log"
@ -20,12 +19,9 @@ const (
commandPaddingDirect byte = 0x02 commandPaddingDirect byte = 0x02
) )
var mutex sync.RWMutex
func WriteWithPadding(buffer *buf.Buffer, p []byte, command byte, userUUID *uuid.UUID, paddingTLS bool) { func WriteWithPadding(buffer *buf.Buffer, p []byte, command byte, userUUID *uuid.UUID, paddingTLS bool) {
contentLen := int32(len(p)) contentLen := int32(len(p))
var paddingLen int32 var paddingLen int32
mutex.Lock()
if contentLen < 900 { if contentLen < 900 {
if paddingTLS { if paddingTLS {
//log.Debugln("long padding") //log.Debugln("long padding")
@ -34,8 +30,7 @@ func WriteWithPadding(buffer *buf.Buffer, p []byte, command byte, userUUID *uuid
paddingLen = fastrand.Int31n(256) paddingLen = fastrand.Int31n(256)
} }
} }
mutex.Unlock() if userUUID != nil {
if userUUID != nil { // unnecessary, but keep the same with Xray
buffer.Write(userUUID.Bytes()) buffer.Write(userUUID.Bytes())
} }
@ -51,7 +46,6 @@ func WriteWithPadding(buffer *buf.Buffer, p []byte, command byte, userUUID *uuid
func ApplyPadding(buffer *buf.Buffer, command byte, userUUID *uuid.UUID, paddingTLS bool) { func ApplyPadding(buffer *buf.Buffer, command byte, userUUID *uuid.UUID, paddingTLS bool) {
contentLen := int32(buffer.Len()) contentLen := int32(buffer.Len())
var paddingLen int32 var paddingLen int32
mutex.Lock()
if contentLen < 900 { if contentLen < 900 {
if paddingTLS { if paddingTLS {
//log.Debugln("long padding") //log.Debugln("long padding")
@ -60,12 +54,11 @@ func ApplyPadding(buffer *buf.Buffer, command byte, userUUID *uuid.UUID, padding
paddingLen = fastrand.Int31n(256) paddingLen = fastrand.Int31n(256)
} }
} }
mutex.Unlock()
binary.BigEndian.PutUint16(buffer.ExtendHeader(2), uint16(paddingLen)) binary.BigEndian.PutUint16(buffer.ExtendHeader(2), uint16(paddingLen))
binary.BigEndian.PutUint16(buffer.ExtendHeader(2), uint16(contentLen)) binary.BigEndian.PutUint16(buffer.ExtendHeader(2), uint16(contentLen))
buffer.ExtendHeader(1)[0] = command buffer.ExtendHeader(1)[0] = command
if userUUID != nil { // unnecessary, but keep the same with Xray if userUUID != nil {
copy(buffer.ExtendHeader(uuid.Size), userUUID.Bytes()) copy(buffer.ExtendHeader(uuid.Size), userUUID.Bytes())
} }