view mod_log_events_by_memory/mod_log_events_by_memory.lua @ 4917:3dc8e329d233

mod_rest: Move most of XEP-0432 handling into JSON mapping schema The pre- and post-processing is still needed to encode/decode the JSON since util.datamapper can't (currently) do this.
author Kim Alvefur <zash@zash.se>
date Thu, 07 Apr 2022 15:39:57 +0200
parents 5fe34e5f9829
children
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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