annotate mod_log_json/mod_log_json.lua @ 4244:07c11080027e

mod_rest: Use util.error registry datatype Saves a few characters per line.
author Kim Alvefur <zash@zash.se>
date Sat, 14 Nov 2020 22:38:28 +0100
parents 900ea02ab00b
children 4356088ad675
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1 local pack = require "util.table".pack;
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2 local json = require "util.json";
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3 local array = require "util.array";
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4 local datetime = require "util.datetime".datetime;
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5 local socket = require "socket";
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6
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7 module:set_global();
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8
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9 local function sink_maker(config)
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10 local send = function () end
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11 if config.filename then
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12 local logfile = io.open(config.filename, "a+");
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13 logfile:setvbuf("no");
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14 function send(payload)
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15 logfile:write(payload, "\n");
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16 end
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17 elseif config.udp_host and config.udp_port then
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18 local conn = socket.udp();
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27abf3b6819a mod_log_json: Use correct method to specify remote endpoint
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19 conn:setpeername(config.udp_host, config.udp_port);
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20 function send(payload)
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21 conn:send(payload);
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22 end
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23 end
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24 return function (source, level, message, ...)
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25 local args = pack(...);
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26 for i = 1, args.n do
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27 if args[i] == nil then
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28 args[i] = json.null;
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29 elseif type(args[i]) ~= "string" or type(args[i]) ~= "number" then
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30 args[i] = tostring(args[i]);
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31 end
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32 end
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33 args.n = nil;
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34 local payload = {
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35 datetime = datetime(),
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36 source = source,
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37 level = level,
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38 message = message,
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39 args = array(args);
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40 };
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41 send(json.encode(payload));
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42 end
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43 end
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44
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45 function module.unload()
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46 -- deregister
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47 require"core.loggingmanager".register_sink_type("json", nil);
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48 end
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49
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50 require"core.loggingmanager".register_sink_type("json", sink_maker);