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chore: better tuic earlyConn impl

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This commit is contained in:
gVisor bot 2023-05-10 09:36:06 +08:00
parent 9b1b731419
commit ec4508255d
1 changed files with 22 additions and 11 deletions
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29
transport/tuic/client.go
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@ -11,6 +11,7 @@ import (
"sync"
"sync/atomic"
"time"
"unsafe"
"github.com/Dreamacro/clash/common/buf"
N "github.com/Dreamacro/clash/common/net"
@ -289,7 +290,8 @@ func (t *clientImpl) DialContextWithDialer(ctx context.Context, metadata *C.Meta
return nil, err
}
conn := &earlyConn{BufferedConn: N.NewBufferedConn(stream), RequestTimeout: t.RequestTimeout}
bufConn := N.NewBufferedConn(stream)
conn := &earlyConn{ExtendedConn: bufConn, bufConn: bufConn, RequestTimeout: t.RequestTimeout}
if !t.FastOpen {
err = conn.Response()
if err != nil {
@ -300,22 +302,19 @@ func (t *clientImpl) DialContextWithDialer(ctx context.Context, metadata *C.Meta
}
type earlyConn struct {
*N.BufferedConn
N.ExtendedConn // only expose standard N.ExtendedConn function to outside
bufConn *N.BufferedConn
resOnce sync.Once
resErr error
RequestTimeout time.Duration
}
func (conn *earlyConn) ReaderReplaceable() bool {
return false
}
func (conn *earlyConn) response() error {
if conn.RequestTimeout > 0 {
_ = conn.SetReadDeadline(time.Now().Add(conn.RequestTimeout))
}
response, err := ReadResponse(conn)
response, err := ReadResponse(conn.bufConn)
if err != nil {
_ = conn.Close()
return err
@ -340,7 +339,7 @@ func (conn *earlyConn) Read(b []byte) (n int, err error) {
if err != nil {
return 0, err
}
return conn.BufferedConn.Read(b)
return conn.bufConn.Read(b)
}
func (conn *earlyConn) ReadBuffer(buffer *buf.Buffer) (err error) {
@ -348,7 +347,19 @@ func (conn *earlyConn) ReadBuffer(buffer *buf.Buffer) (err error) {
if err != nil {
return err
}
return conn.BufferedConn.ReadBuffer(buffer)
return conn.bufConn.ReadBuffer(buffer)
}
func (conn *earlyConn) Upstream() any {
return conn.bufConn
}
func (conn *earlyConn) ReaderReplaceable() bool {
return atomic.LoadUint32((*uint32)(unsafe.Pointer(&conn.resOnce))) == 1 && conn.resErr == nil
}
func (conn *earlyConn) WriterReplaceable() bool {
return true
}
func (t *clientImpl) ListenPacketWithDialer(ctx context.Context, metadata *C.Metadata, dialer C.Dialer, dialFn DialFunc) (net.PacketConn, error) {