From: Petr Špaček <petr.spacek@nic.cz>
Date: Mon, 30 Dec 2019 15:56:11 +0000 (+0100)
Subject: utils: add human-readable text to HTTP client library errors
X-Git-Tag: v5.0.0~13^2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=ddfdb3e7b9ba08233d21355b47bc81a205d55007;p=thirdparty%2Fknot-resolver.git

utils: add human-readable text to HTTP client library errors
---

diff --git a/daemon/lua/kluautil.lua b/daemon/lua/kluautil.lua
index d0cca438f..fa9620269 100644
--- a/daemon/lua/kluautil.lua
+++ b/daemon/lua/kluautil.lua
@@ -1,3 +1,4 @@
+local cqerrno = require('cqueues.errno')
 local kluautil = {}
 
 -- Get length of table
@@ -39,6 +40,10 @@ function kluautil.kr_https_fetch(url, out_file, ca_file)
 	local headers, stream, errmsg = req:go()
 	if not headers then
 		errmsg = errmsg or 'unknown error'
+		if type(errmsg) == 'number' then
+			errmsg = cqerrno.strerror(errmsg) ..
+				' (' .. tostring(errmsg) .. ')'
+		end
 		return nil, 'HTTP client library error: ' .. errmsg
 	end
 	if headers:get(':status') ~= "200" then