Mercurial > prosody-modules

annotate mod_http_stats_stream/mod_http_stats_stream.lua @ 2712:d89ab70808f6

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
mod_cloud_notify: fix bug when multiple resources are used This bug was triggered under the rare circumstances that a message arrived and one resource was smacks hibernated while the other one(s) were offline. Then only the hibernated resource but not the offline one(s) (or the other way round) got notified.
author tmolitor <thilo@eightysoft.de>
date Mon, 08 May 2017 18:24:29 +0200
parents 47a6f01231b2
children fd054689a64c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2432
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1 local statsman = require "core.statsmanager";
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
2 local json = require "util.json";
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
3
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
4 local sessions = {};
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
5
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
6 local function updates_client_closed(response)
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
7 module:log("debug", "Streamstats client closed");
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
8 sessions[response] = nil;
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
9 end
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
10
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
11 local function get_updates(event)
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
12 local request, response = event.request, event.response;
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
13
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
14 response.on_destroy = updates_client_closed;
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
15
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
16 response.conn:write(table.concat({
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
17 "HTTP/1.1 200 OK";
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
18 "Content-Type: text/event-stream";
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
19 "X-Accel-Buffering: no"; -- For nginx maybe?
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
20 "";
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
21 "event: stats-full";
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
22 "data: "..json.encode(statsman.get_stats());
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
23 "";
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
24 "";
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
25 }, "\r\n"));
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
26
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
27 sessions[response] = request;
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
28 return true;
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
29 end
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
30
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
31
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
32 module:hook_global("stats-updated", function (event)
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
33 local data = table.concat({
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
34 "event: stats-updated";
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
35 "data: "..json.encode(event.changed_stats);
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
36 "";
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
37 "";
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
38 }, "\r\n")
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
39 for response in pairs(sessions) do
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
40 response.conn:write(data);
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
41 end
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
42 end);
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
43
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
44
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
45 module:depends("http");
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
46 module:provides("http", {
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
47 route = {
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
48 GET = get_updates;
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
49 }
47a6f01231b2 mod_http_stats_stream: Sends statistics from statsmanager over an HTTP event stream
Kim Alvefur <zash@zash.se>
parents:
diff changeset
50 });