prosody-modules
d300ae5dba87
mod_http_stats_stream/mod_http_stats_stream.lua

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mod_http_stats_stream/mod_http_stats_stream.lua @ 2494:d300ae5dba87

mod_smacks: Fix some bugs with smacks-ack-delayed event triggering. The old code had several flaws which are addressed here. First of all this fixes the if statement guarding the event generation There where some timing glitches addressed by this commit as well.
author tmolitor <thilo@eightysoft.de>
date Sun, 12 Feb 2017 21:23:22 +0100
parent 2432:47a6f01231b2
child 3635:fd054689a64c
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2432
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
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1 local statsman = require "core.statsmanager";
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2 local json = require "util.json";
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3
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4 local sessions = {};
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5
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6 local function updates_client_closed(response)
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7 module:log("debug", "Streamstats client closed");
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8 sessions[response] = nil;
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9 end
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10
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11 local function get_updates(event)
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Kim Alvefur <zash@zash.se>
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12 local request, response = event.request, event.response;
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13
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14 response.on_destroy = updates_client_closed;
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15
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16 response.conn:write(table.concat({
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17 "HTTP/1.1 200 OK";
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18 "Content-Type: text/event-stream";
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19 "X-Accel-Buffering: no"; -- For nginx maybe?
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20 "";
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21 "event: stats-full";
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22 "data: "..json.encode(statsman.get_stats());
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23 "";
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24 "";
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25 }, "\r\n"));
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26
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27 sessions[response] = request;
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28 return true;
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29 end
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30
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31
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32 module:hook_global("stats-updated", function (event)
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33 local data = table.concat({
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34 "event: stats-updated";
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35 "data: "..json.encode(event.changed_stats);
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36 "";
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37 "";
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38 }, "\r\n")
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39 for response in pairs(sessions) do
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40 response.conn:write(data);
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41 end
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42 end);
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43
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44
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45 module:depends("http");
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46 module:provides("http", {
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47 route = {
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48 GET = get_updates;
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49 }
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50 });