Mercurial > prosody-modules
view mod_inotify_reload/mod_inotify_reload.lua @ 2494:d300ae5dba87
mod_smacks: Fix some bugs with smacks-ack-delayed event triggering.
The old code had several flaws which are addressed here.
First of all this fixes the if statement guarding the event generation
There where some timing glitches addressed by this commit as well.
author | tmolitor <thilo@eightysoft.de> |
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date | Sun, 12 Feb 2017 21:23:22 +0100 |
parents | ab988e98a9f9 |
children | 82207f936f1f |
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-- mod_inotify_reload -- Reloads modules when their files change -- Depends on linotify: https://github.com/hoelzro/linotify module:set_global(); local inotify = require "inotify"; local modulemanager = require "core.modulemanager"; local inh = inotify.init(); local watches = {}; local watch_ids = {}; -- Fake socket object around inotify local inh_conn = { getfd = function () return inh:fileno(); end; dirty = function (self) return false; end; settimeout = function () end; send = function (_, d) return #d, 0; end; close = function () end; receive = function () local events = inh:read(); for _, event in ipairs(events) do local mod = watches[watch_ids[event.wd]]; if mod then local host, name = mod.host, mod.name; module:log("debug", "Reloading changed module mod_%s on %s", name, host); modulemanager.reload(host, name); else module:log("warn", "no watch for %d", event.wd); end end return ""; end }; require "net.server".wrapclient(inh_conn, "inotify", inh:fileno(), { onincoming = function () end, ondisconnect = function () end }, "*a"); function watch_module(name, host, path) local id, err = inh:addwatch(path, inotify.IN_CLOSE_WRITE); if not id then return nil, err; end local k = host.."\0"..name; watches[k] = { id = id, path = path, name = name, host = host }; watch_ids[id] = k; module:log("debug", "Watching %s:%s with id %d", name, host, id); return true; end function unwatch_module(name, host) local k = host.."\0"..name; if not watches[k] then module:log("warn", "Not watching %s:%s", name, host); return nil, "not-watching"; end local id = watches[k].id; local ok, err = inh:rmwatch(id); module:log("info", "Removed watch %d", id); watches[k] = nil; watch_ids[id] = nil; return ok, err; end function module_loaded(event) local host, name = event.host, event.module; local path = modulemanager.get_module(host, name).module.path; if not path then module:log("warn", "Couldn't watch mod_%s, no path", name); return; end if watch_module(name, host, path) then module:log("debug", "Watching mod_%s", name); end end function module_unloaded(event) unwatch_module(event.module, event.host); end function module.add_host(module) module:hook("module-loaded", module_loaded); module:hook("module-unloaded", module_unloaded); end module:hook("module-loaded", module_loaded); module:hook("module-unloaded", module_unloaded);