prosody
da21185fd026
plugins/mod_cron.lua

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plugins/mod_cron.lua @ 13260:da21185fd026

net.http.server: Support setting Content-Type of uncaught HTTP errors mod_http_errors normally sets the Content-Type header via the response object, which isn't available when handling these uncaught errors. Without a Content-Type header the browser is forced to guess, which may or may not result in something sensible.
author Kim Alvefur <zash@zash.se>
date Fri, 22 Sep 2023 01:47:21 +0200
parent 12977:74b9e05af71e
child 13264:9b720c38fee8
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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 local datetime = require("prosody.util.datetime");
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5
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6 local periods = { hourly = 3600; daily = 86400; weekly = 7 * 86400 }
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7
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8 local active_hosts = {}
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9
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10 function module.add_host(host_module)
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11
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12 local last_run_times = host_module:open_store("cron", "map");
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13 active_hosts[host_module.host] = true;
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14
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15 local function save_task(task, started_at) last_run_times:set(nil, task.id, started_at); end
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16
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17 local function task_added(event)
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18 local task = event.item;
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19 if task.name == nil then task.name = task.when; end
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20 if task.id == nil then task.id = event.source.name .. "/" .. task.name:gsub("%W", "_"):lower(); end
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21 if task.last == nil then task.last = last_run_times:get(nil, task.id); end
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22 task.save = save_task;
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23 module:log("debug", "%s task %s added, last run %s", task.when, task.id,
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24 task.last and datetime.datetime(task.last) or "never");
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25 if task.last == nil then
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26 local now = os.time();
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27 task.last = now - now % periods[task.when];
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28 end
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29 return true
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30 end
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31
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32 local function task_removed(event)
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33 local task = event.item;
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34 host_module:log("debug", "Task %s removed", 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 host_module:handle_items("task", task_added, task_removed, true);
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39
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40 function host_module.unload() active_hosts[host_module.host] = nil; end
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41 end
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42
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43 local function should_run(when, last) return not last or last + periods[when] * 0.995 <= os.time() end
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44
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45 local function run_task(task)
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46 local started_at = os.time();
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47 task:run(started_at);
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48 task.last = started_at;
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49 task:save(started_at);
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50 end
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51
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52 local task_runner = async.runner(run_task);
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53 scheduled = module:add_timer(1, function()
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54 module:log("info", "Running periodic tasks");
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55 local delay = 3600;
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56 for host in pairs(active_hosts) do
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57 module:log("debug", "Running periodic tasks for host %s", host);
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58 for _, task in ipairs(module:context(host):get_host_items("task")) do
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59 module:log("debug", "Considering %s task %s (%s)", task.when, task.id, task.run);
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60 if should_run(task.when, task.last) then task_runner:run(task); end
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61 end
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62 end
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63 module:log("debug", "Wait %ds", delay);
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64 return delay
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65 end);