From d97d4e483ce2806ff988630cd68ebe46583d5771 Mon Sep 17 00:00:00 2001
From: Tony <piunov.doc@gmail.com>
Date: Wed, 21 Aug 2024 14:48:52 +0300
Subject: [PATCH] fix: producing timeout error in case with no timeout errors
 (#180)

Co-authored-by: Anton Piunov <anton.piunov@cyberprotect.ru>
---
 proxy/server.go | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/proxy/server.go b/proxy/server.go
index 233839a..0c3bb09 100644
--- a/proxy/server.go
+++ b/proxy/server.go
@@ -22,8 +22,9 @@ func ReadBytes(conn *net.TCPConn, dest []byte) ([]byte, error) {
 func readBytesInternal(conn *net.TCPConn, dest []byte) (int, error) {
 	totalRead, err := conn.Read(dest)
 	if err != nil {
-		switch err.(type) {
-		case *net.OpError:
+		var opError *net.OpError
+		switch {
+		case errors.As(err, &opError) && opError.Timeout():
 			return totalRead, errors.New("timed out")
 		default:
 			return totalRead, err