mirror of https://github.com/bjc/prosody
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
65 lines
2.1 KiB
65 lines
2.1 KiB
module:set_global();
|
|
|
|
local async = require("util.async");
|
|
local datetime = require("util.datetime");
|
|
|
|
local periods = { hourly = 3600; daily = 86400; weekly = 7 * 86400 }
|
|
|
|
local active_hosts = {}
|
|
|
|
function module.add_host(host_module)
|
|
|
|
local last_run_times = host_module:open_store("cron", "map");
|
|
active_hosts[host_module.host] = true;
|
|
|
|
local function save_task(task, started_at) last_run_times:set(nil, task.id, started_at); end
|
|
|
|
local function task_added(event)
|
|
local task = event.item;
|
|
if task.name == nil then task.name = task.when; end
|
|
if task.id == nil then task.id = event.source.name .. "/" .. task.name:gsub("%W", "_"):lower(); end
|
|
if task.last == nil then task.last = last_run_times:get(nil, task.id); end
|
|
task.save = save_task;
|
|
module:log("debug", "%s task %s added, last run %s", task.when, task.id,
|
|
task.last and datetime.datetime(task.last) or "never");
|
|
if task.last == nil then
|
|
local now = os.time();
|
|
task.last = now - now % periods[task.when];
|
|
end
|
|
return true
|
|
end
|
|
|
|
local function task_removed(event)
|
|
local task = event.item;
|
|
host_module:log("debug", "Task %s removed", task.id);
|
|
return true
|
|
end
|
|
|
|
host_module:handle_items("task", task_added, task_removed, true);
|
|
|
|
function host_module.unload() active_hosts[host_module.host] = nil; end
|
|
end
|
|
|
|
local function should_run(when, last) return not last or last + periods[when] * 0.995 <= os.time() end
|
|
|
|
local function run_task(task)
|
|
local started_at = os.time();
|
|
task:run(started_at);
|
|
task.last = started_at;
|
|
task:save(started_at);
|
|
end
|
|
|
|
local task_runner = async.runner(run_task);
|
|
scheduled = module:add_timer(1, function()
|
|
module:log("info", "Running periodic tasks");
|
|
local delay = 3600;
|
|
for host in pairs(active_hosts) do
|
|
module:log("debug", "Running periodic tasks for host %s", host);
|
|
for _, task in ipairs(module:context(host):get_host_items("task")) do
|
|
module:log("debug", "Considering %s task %s (%s)", task.when, task.id, task.run);
|
|
if should_run(task.when, task.last) then task_runner:run(task); end
|
|
end
|
|
end
|
|
module:log("debug", "Wait %ds", delay);
|
|
return delay
|
|
end);
|
|
|