vendor: add package golib/net

utils/net/conn.go

@@ -15,7 +15,6 @@
 package net
 
 import (
-	"bytes"
 	"errors"
 	"fmt"
 	"io"
@@ -133,49 +132,6 @@ func ConnectServerByProxy(proxyUrl string, protocol string, addr string) (c Conn
 	}
 }
 
-type SharedConn struct {
-	Conn
-	buf *bytes.Buffer
-}
-
-// the bytes you read in io.Reader, will be reserved in SharedConn
-func NewShareConn(conn Conn) (*SharedConn, io.Reader) {
-	sc := &SharedConn{
-		Conn: conn,
-		buf:  bytes.NewBuffer(make([]byte, 0, 1024)),
-	}
-	return sc, io.TeeReader(conn, sc.buf)
-}
-
-func NewShareConnSize(conn Conn, bufSize int) (*SharedConn, io.Reader) {
-	sc := &SharedConn{
-		Conn: conn,
-		buf:  bytes.NewBuffer(make([]byte, 0, bufSize)),
-	}
-	return sc, io.TeeReader(conn, sc.buf)
-}
-
-// Not thread safety.
-func (sc *SharedConn) Read(p []byte) (n int, err error) {
-	if sc.buf == nil {
-		return sc.Conn.Read(p)
-	}
-	n, err = sc.buf.Read(p)
-	if err == io.EOF {
-		sc.buf = nil
-		var n2 int
-		n2, err = sc.Conn.Read(p[n:])
-		n += n2
-	}
-	return
-}
-
-func (sc *SharedConn) WriteBuff(buffer []byte) (err error) {
-	sc.buf.Reset()
-	_, err = sc.buf.Write(buffer)
-	return err
-}
-
 type StatsConn struct {
 	Conn