mirror of https://github.com/XTLS/Xray-core.git
62 lines
1.1 KiB
Go
62 lines
1.1 KiB
Go
package singbridge
|
|
|
|
import (
|
|
"context"
|
|
"io"
|
|
"net"
|
|
|
|
"github.com/sagernet/sing/common/bufio"
|
|
"github.com/xtls/xray-core/common/buf"
|
|
"github.com/xtls/xray-core/transport"
|
|
)
|
|
|
|
func CopyConn(ctx context.Context, inboundConn net.Conn, link *transport.Link, serverConn net.Conn) error {
|
|
conn := &PipeConnWrapper{
|
|
W: link.Writer,
|
|
Conn: inboundConn,
|
|
}
|
|
if ir, ok := link.Reader.(io.Reader); ok {
|
|
conn.R = ir
|
|
} else {
|
|
conn.R = &buf.BufferedReader{Reader: link.Reader}
|
|
}
|
|
return ReturnError(bufio.CopyConn(ctx, conn, serverConn))
|
|
}
|
|
|
|
type PipeConnWrapper struct {
|
|
R io.Reader
|
|
W buf.Writer
|
|
net.Conn
|
|
}
|
|
|
|
func (w *PipeConnWrapper) Close() error {
|
|
return nil
|
|
}
|
|
|
|
func (w *PipeConnWrapper) Read(b []byte) (n int, err error) {
|
|
return w.R.Read(b)
|
|
}
|
|
|
|
func (w *PipeConnWrapper) Write(p []byte) (n int, err error) {
|
|
n = len(p)
|
|
var mb buf.MultiBuffer
|
|
pLen := len(p)
|
|
for pLen > 0 {
|
|
buffer := buf.New()
|
|
if pLen > buf.Size {
|
|
_, err = buffer.Write(p[:buf.Size])
|
|
p = p[buf.Size:]
|
|
} else {
|
|
buffer.Write(p)
|
|
}
|
|
pLen -= int(buffer.Len())
|
|
mb = append(mb, buffer)
|
|
}
|
|
err = w.W.WriteMultiBuffer(mb)
|
|
if err != nil {
|
|
n = 0
|
|
buf.ReleaseMulti(mb)
|
|
}
|
|
return
|
|
}
|