File

mod_rawdebug/mod_rawdebug.lua @ 6254:b6e390a97c85

mod_dnsupdate: Improve handling of existing DNS records Previously it would print the final service denial record when the current DNS setup matched the config and no changes were necessary.
author Kim Alvefur <zash@zash.se>
date Mon, 12 May 2025 12:15:10 +0200
parent 2256:c5c583fae25d
line wrap: on
line source

module:set_global();

local tostring = tostring;
local filters = require "util.filters";

local function log_send(t, session)
	if t and t ~= "" and t ~= " " then
		session.log("debug", "SEND(%d): %s", #t, tostring(t));
	end
	return t;
end

local function log_recv(t, session)
	if t and t ~= "" and t ~= " " then
		session.log("debug", "RECV(%d): %s", #t, tostring(t));
	end
	return t;
end

local function init_raw_logging(session)
	filters.add_filter(session, "bytes/in",  log_recv, -10000);
	filters.add_filter(session, "bytes/out", log_send,  10000);
end

filters.add_filter_hook(init_raw_logging);

function module.unload() -- luacheck: ignore
	filters.remove_filter_hook(init_raw_logging);
end