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chore: drop bufio.Reader in BufferedConn to let gc can clean up its internal buf

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This commit is contained in:
wwqgtxx 2023-05-11 11:30:20 +08:00
parent 98394095e4
commit d9fa051dd8
1 changed files with 4 additions and 3 deletions
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7
common/net/bufconn.go
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@ -62,7 +62,7 @@ func (c *BufferedConn) Buffered() int {
}
func (c *BufferedConn) ReadBuffer(buffer *buf.Buffer) (err error) {
if c.r.Buffered() > 0 {
if c.r != nil && c.r.Buffered() > 0 {
_, err = buffer.ReadOnceFrom(c.r)
return
}
@ -70,10 +70,11 @@ func (c *BufferedConn) ReadBuffer(buffer *buf.Buffer) (err error) {
}
func (c *BufferedConn) ReadCached() *buf.Buffer { // call in sing/common/bufio.Copy
if c.r.Buffered() > 0 {
if c.r != nil && c.r.Buffered() > 0 {
length := c.r.Buffered()
b, _ := c.r.Peek(length)
_, _ = c.r.Discard(length)
c.r = nil // drop bufio.Reader to let gc can clean up its internal buf
return buf.As(b)
}
return nil
@ -84,7 +85,7 @@ func (c *BufferedConn) Upstream() any {
}
func (c *BufferedConn) ReaderReplaceable() bool {
if c.r.Buffered() > 0 {
if c.r != nil && c.r.Buffered() > 0 {
return false
}
return true