prosody
3256c5d00901
util/timer.lua

Find changesets by keywords by author, files, the commit message, revision number or hash, or revset expression.

Software / code / prosody

Annotate

util/timer.lua @ 2095:3256c5d00901

util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
author Matthew Wild <mwild1@gmail.com>
date Sat, 21 Nov 2009 02:40:21 +0000
parent 1871:838d1317bca4
child 2098:a1ad06f1c090
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1523
841d61be198f Remove version number from copyright headers
Matthew Wild <mwild1@gmail.com>
parents: 896
diff changeset
1 -- Prosody IM
832
282ae70db19f Added util/timer.lua - a timer API
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
2 -- Copyright (C) 2008-2009 Matthew Wild
282ae70db19f Added util/timer.lua - a timer API
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
3 -- Copyright (C) 2008-2009 Waqas Hussain
282ae70db19f Added util/timer.lua - a timer API
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
4 --
282ae70db19f Added util/timer.lua - a timer API
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
5 -- This project is MIT/X11 licensed. Please see the
282ae70db19f Added util/timer.lua - a timer API
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
6 -- COPYING file in the source package for more information.
282ae70db19f Added util/timer.lua - a timer API
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
7 --
282ae70db19f Added util/timer.lua - a timer API
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
8
282ae70db19f Added util/timer.lua - a timer API
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
9
282ae70db19f Added util/timer.lua - a timer API
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
10 local ns_addtimer = require "net.server".addtimer;
2095
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
11 local event = require "net.server".event;
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
12
832
282ae70db19f Added util/timer.lua - a timer API
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
13 local get_time = os.time;
282ae70db19f Added util/timer.lua - a timer API
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
14 local t_insert = table.insert;
841
77ff000c2055 util.timer: Fix crash when loaded but no tasks set, fix skipping some tasks when multiple set, and one removed
Matthew Wild <mwild1@gmail.com>
parents: 832
diff changeset
15 local t_remove = table.remove;
77ff000c2055 util.timer: Fix crash when loaded but no tasks set, fix skipping some tasks when multiple set, and one removed
Matthew Wild <mwild1@gmail.com>
parents: 832
diff changeset
16 local ipairs, pairs = ipairs, pairs;
832
282ae70db19f Added util/timer.lua - a timer API
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
17 local type = type;
282ae70db19f Added util/timer.lua - a timer API
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
18
282ae70db19f Added util/timer.lua - a timer API
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
19 local data = {};
282ae70db19f Added util/timer.lua - a timer API
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
20 local new_data = {};
282ae70db19f Added util/timer.lua - a timer API
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
21
282ae70db19f Added util/timer.lua - a timer API
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
22 module "timer"
282ae70db19f Added util/timer.lua - a timer API
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
23
2095
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
24 local _add_task;
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
25 if not event then
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
26 function _add_task(delay, func)
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
27 local current_time = get_time();
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
28 delay = delay + current_time;
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
29 if delay >= current_time then
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
30 t_insert(new_data, {delay, func});
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
31 else
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
32 func();
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
33 end
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
34 end
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
35
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
36 ns_addtimer(function()
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
37 local current_time = get_time();
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
38 if #new_data > 0 then
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
39 for _, d in pairs(new_data) do
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
40 t_insert(data, d);
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
41 end
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
42 new_data = {};
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
43 end
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
44
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
45 for i, d in pairs(data) do
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
46 local t, func = d[1], d[2];
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
47 if t <= current_time then
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
48 data[i] = nil;
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
49 local r = func(current_time);
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
50 if type(r) == "number" then _add_task(r, func); end
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
51 end
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
52 end
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
53 end);
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
54 else
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
55 local EVENT_LEAVE = (event.core and event.core.LEAVE) or -1;
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
56 function _add_task(delay, func)
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
57 event.base:addevent(nil, event.EV_TIMEOUT, function ()
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
58 local ret = func();
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
59 if ret then
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
60 _add_task(ret, func);
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
61 else
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
62 return EVENT_LEAVE;
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
63 end
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
64 end
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
65 , delay);
3256c5d00901 util.timer: Use libevent for lightweight timers if available and configured (use_libevent option)
Matthew Wild <mwild1@gmail.com>
parents: 1871
diff changeset
66 end
832
282ae70db19f Added util/timer.lua - a timer API
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
67 end
282ae70db19f Added util/timer.lua - a timer API
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
68
282ae70db19f Added util/timer.lua - a timer API
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
69 add_task = _add_task;
282ae70db19f Added util/timer.lua - a timer API
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
70
282ae70db19f Added util/timer.lua - a timer API
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
71 return _M;