prosody
0b4c3573b248
plugins/mod_cron.lua

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plugins/mod_cron.lua @ 13277:0b4c3573b248

mod_saslauth: Support tls-server-end-point via manually specified hash Since this channel binding method is said to enable TLS offloading then you need tell Prosody the hash (or the full cert), so this seems like a good start. Support is RECOMMENDED in XEP-0440 version 0.2
author Kim Alvefur <zash@zash.se>
date Mon, 07 Dec 2020 19:53:26 +0100
parent 13269:d50bee584969
child 13284:ffd3dadf6247
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1 module:set_global();
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2
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3 local async = require("prosody.util.async");
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4
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5 local periods = { hourly = 3600; daily = 86400; weekly = 7 * 86400 }
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6
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7 local active_hosts = {}
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8
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9 function module.add_host(host_module)
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10
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11 local last_run_times = host_module:open_store("cron", "map");
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12 active_hosts[host_module.host] = true;
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13
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14 local function save_task(task, started_at)
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15 last_run_times:set(nil, task.id, started_at);
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16 end
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17
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18 local function restore_task(task)
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19 if task.last == nil then
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20 task.last = last_run_times:get(nil, task.id);
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21 end
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22 end
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23
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24 local function task_added(event)
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25 local task = event.item;
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26 if task.name == nil then
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27 task.name = task.when;
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28 end
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29 if task.id == nil then
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30 task.id = event.source.name .. "/" .. task.name:gsub("%W", "_"):lower();
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31 end
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32 task.restore = restore_task;
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33 task.save = save_task;
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34 module:log("debug", "%s task %s added", task.when, task.id);
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35 return true
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36 end
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37
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38 local function task_removed(event)
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39 local task = event.item;
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40 host_module:log("debug", "Task %s removed", task.id);
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41 return true
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42 end
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43
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44 host_module:handle_items("task", task_added, task_removed, true);
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45
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46 function host_module.unload()
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47 active_hosts[host_module.host] = nil;
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48 end
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49 end
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50
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51 local function should_run(when, last)
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52 return not last or last + periods[when] * 0.995 <= os.time()
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53 end
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54
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55 local function run_task(task)
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56 task:restore();
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57 if not should_run(task.when, task.last) then
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58 return
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59 end
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60 local started_at = os.time();
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61 task:run(started_at);
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62 task.last = started_at;
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63 task:save(started_at);
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64 end
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65
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66 local task_runner = async.runner(run_task);
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67 scheduled = module:add_timer(1, function()
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68 module:log("info", "Running periodic tasks");
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69 local delay = 3600;
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70 for host in pairs(active_hosts) do
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71 module:log("debug", "Running periodic tasks for host %s", host);
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72 for _, task in ipairs(module:context(host):get_host_items("task")) do
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73 task_runner:run(task);
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74 end
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75 end
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76 module:log("debug", "Wait %ds", delay);
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77 return delay
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78 end);