Feature: socks5 udp associate

This commit is contained in:
Dreamacro
2019-04-23 23:29:36 +08:00
parent 49f8902961
commit c92cda6980
25 changed files with 339 additions and 85 deletions

View File

@ -6,8 +6,9 @@ import (
"io"
"math/rand"
"net"
"sync"
"time"
"github.com/Dreamacro/clash/common/pool"
)
func init() {
@ -18,8 +19,6 @@ const (
chunkSize = 1 << 14 // 2 ** 14 == 16 * 1024
)
var bufPool = sync.Pool{New: func() interface{} { return make([]byte, 2048) }}
// TLSObfs is shadowsocks tls simple-obfs implementation
type TLSObfs struct {
net.Conn
@ -30,12 +29,12 @@ type TLSObfs struct {
}
func (to *TLSObfs) read(b []byte, discardN int) (int, error) {
buf := bufPool.Get().([]byte)
buf := pool.BufPool.Get().([]byte)
_, err := io.ReadFull(to.Conn, buf[:discardN])
if err != nil {
return 0, err
}
bufPool.Put(buf[:cap(buf)])
pool.BufPool.Put(buf[:cap(buf)])
sizeBuf := make([]byte, 2)
_, err = io.ReadFull(to.Conn, sizeBuf)
@ -103,7 +102,7 @@ func (to *TLSObfs) write(b []byte) (int, error) {
return len(b), err
}
size := bufPool.Get().([]byte)
size := pool.BufPool.Get().([]byte)
binary.BigEndian.PutUint16(size[:2], uint16(len(b)))
buf := &bytes.Buffer{}
@ -111,7 +110,7 @@ func (to *TLSObfs) write(b []byte) (int, error) {
buf.Write(size[:2])
buf.Write(b)
_, err := to.Conn.Write(buf.Bytes())
bufPool.Put(size[:cap(size)])
pool.BufPool.Put(size[:cap(size)])
return len(b), err
}