mod_log_events_by_memory/mod_log_events_by_memory.lua
author Kim Alvefur <zash@zash.se>
Sat, 09 Mar 2024 21:05:00 +0100
changeset 5865 c20a0c8a54ea
parent 3619 5fe34e5f9829
permissions -rw-r--r--
mod_auth_oauth_external: Fix typo

module:set_global();

local treshold = module:get_option_number("log_memory_threshold", 20*1024);

function event_wrapper(handlers, event_name, event_data)
	local memory_before = collectgarbage("count")*1024;
	local ret = handlers(event_name, event_data);
	local memory_after = collectgarbage("count")*1024;
	if (memory_after - memory_before) > treshold then
		module:log("warn", "Memory increased by %g bytes while processing event '%s'", (memory_after - memory_before), event_name);
	end
	return ret;
end

local http_events = require "net.http.server"._events;
module:wrap_object_event(http_events, false, event_wrapper);

module:wrap_event(false, event_wrapper);
function module.add_host(module)
	module:wrap_event(false, event_wrapper);
end