pkg/httpclient: Fix connection closed while writing or reading (#305)

Signed-off-by: Xuanwo <github@xuanwo.io>

pkg/httpclient/conn.go

@@ -14,29 +14,29 @@ type Conn struct {
 
 // Read will read from the conn.
 func (c *Conn) Read(buf []byte) (n int, err error) {
-	err = c.SetReadDeadline(time.Now().Add(c.readTimeout))
+	err = c.SetDeadline(time.Now().Add(c.readTimeout))
 	if err != nil {
 		return
 	}
 	defer func() {
 		// Clean read timeout so that this will not affect further read
 		// It's safe to ignore the returning error: even if it don’t return now, it will return via next read.
-		_ = c.SetReadDeadline(time.Time{})
+		_ = c.SetDeadline(time.Time{})
 	}()
 
 	return c.Conn.Read(buf)
 }
 
 // Write will write into the conn.
 func (c *Conn) Write(buf []byte) (n int, err error) {
-	err = c.SetWriteDeadline(time.Now().Add(c.writeTimeout))
+	err = c.SetDeadline(time.Now().Add(c.writeTimeout))
 	if err != nil {
 		return
 	}
 	defer func() {
 		// Clean read timeout so that this will not affect further write
 		// It's safe to ignore the returning error: even if it don’t return now, it will return via next write.
-		_ = c.SetWriteDeadline(time.Time{})
+		_ = c.SetDeadline(time.Time{})
 	}()
 
 	return c.Conn.Write(buf)