55 lines
853 B
Go
55 lines
853 B
Go
package net
|
|
|
|
import (
|
|
"bufio"
|
|
"io"
|
|
"net"
|
|
|
|
"github.com/go-gost/core/common/bufpool"
|
|
)
|
|
|
|
const (
|
|
bufferSize = 32 * 1024
|
|
)
|
|
|
|
func Transport(rw1, rw2 io.ReadWriter) error {
|
|
errc := make(chan error, 1)
|
|
go func() {
|
|
errc <- CopyBuffer(rw1, rw2, bufferSize)
|
|
}()
|
|
|
|
go func() {
|
|
errc <- CopyBuffer(rw2, rw1, bufferSize)
|
|
}()
|
|
|
|
if err := <-errc; err != nil && err != io.EOF {
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func CopyBuffer(dst io.Writer, src io.Reader, bufSize int) error {
|
|
buf := bufpool.Get(bufSize)
|
|
defer bufpool.Put(buf)
|
|
|
|
_, err := io.CopyBuffer(dst, src, *buf)
|
|
return err
|
|
}
|
|
|
|
type bufferReaderConn struct {
|
|
net.Conn
|
|
br *bufio.Reader
|
|
}
|
|
|
|
func NewBufferReaderConn(conn net.Conn, br *bufio.Reader) net.Conn {
|
|
return &bufferReaderConn{
|
|
Conn: conn,
|
|
br: br,
|
|
}
|
|
}
|
|
|
|
func (c *bufferReaderConn) Read(b []byte) (int, error) {
|
|
return c.br.Read(b)
|
|
}
|