view mod_log_json/mod_log_json.lua @ 5608:1893ae742f66

mod_http_oauth2: Show errors on device flow user code entry page If the user enters the code incorrectly, having to click back to try again is no fun. Instead, show the error and the code entry form again.
author Kim Alvefur <zash@zash.se>
date Wed, 19 Jul 2023 13:05:47 +0200
parents 807007913f67
children 0b347a7c5b5f
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local pack = table.pack or require "util.table".pack;
local json = require "util.json";
local array = require "util.array";
local datetime = require "util.datetime".datetime;
local socket = require "socket";

module:set_global();

local function sink_maker(config)
	local send = function () end
	if config.filename then
		local logfile = io.open(config.filename, "a+");
		logfile:setvbuf("no");
		function send(payload)
			logfile:write(payload, "\n");
		end
	elseif config.udp_host and config.udp_port then
		local conn = socket.udp();
		conn:setpeername(config.udp_host, config.udp_port);
		function send(payload)
			conn:send(payload);
		end
	end
	local format = require "util.format".format;
	local do_format = config.formatted_as or false;
	return function (source, level, message, ...)
		local args = pack(...);
		for i = 1, args.n do
			if args[i] == nil then
				args[i] = json.null;
			elseif type(args[i]) ~= "string" or type(args[i]) ~= "number" then
				args[i] = tostring(args[i]);
			end
		end
		args.n = nil;
		local payload = {
			datetime = datetime(),
			source = source,
			level = level,
			message = message,
			args = array(args);
		};
		if do_format then
			payload[do_format] = format(message, ...)
		end
		send(json.encode(payload));
	end
end

function module.unload()
	-- deregister
	require"core.loggingmanager".register_sink_type("json", nil);
end

require"core.loggingmanager".register_sink_type("json", sink_maker);