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-rw-r--r--util/timer.lua51
1 files changed, 51 insertions, 0 deletions
diff --git a/util/timer.lua b/util/timer.lua
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index 00000000..3db66832
--- /dev/null
+++ b/util/timer.lua
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+-- Prosody IM v0.3
+-- Copyright (C) 2008-2009 Matthew Wild
+-- Copyright (C) 2008-2009 Waqas Hussain
+--
+-- This project is MIT/X11 licensed. Please see the
+-- COPYING file in the source package for more information.
+--
+
+
+local ns_addtimer = require "net.server".addtimer;
+local get_time = os.time;
+local t_insert = table.insert;
+local t_remove = table.remove;
+local ipairs, pairs = ipairs, pairs;
+local type = type;
+
+local data = {};
+local new_data = {};
+
+module "timer"
+
+local function _add_task(delay, func)
+ local current_time = get_time();
+ delay = delay + current_time;
+ if delay >= current_time then
+ t_insert(new_data, {delay, func});
+ else func(); end
+end
+
+add_task = _add_task;
+
+ns_addtimer(function()
+ local current_time = get_time();
+ if #new_data > 0 then
+ for _, d in pairs(new_data) do
+ t_insert(data, d);
+ end
+ new_data = {};
+ end
+
+ for i, d in pairs(data) do
+ local t, func = d[1], d[2];
+ if t <= current_time then
+ data[i] = nil;
+ local r = func();
+ if type(r) == "number" then _add_task(r, func); end
+ end
+ end
+end);
+
+return _M;