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code /
prosody
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util/pluginloader.lua @ 2276:d9302be05f86
util.pluginloader: Support for fetching plugins from the data store
author | Matthew Wild <mwild1@gmail.com> |
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date | Wed, 02 Dec 2009 18:05:03 +0000 |
parent | 1522:569d58d21612 |
child | 2325:265441f2ad48 |
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--- a/util/pluginloader.lua Wed Dec 02 18:03:10 2009 +0000 +++ b/util/pluginloader.lua Wed Dec 02 18:05:03 2009 +0000 @@ -9,11 +9,19 @@ local plugin_dir = CFG_PLUGINDIR or "./plugins/"; -local io_open = io.open; -local loadstring = loadstring; +local io_open, os_time = io.open, os.time; +local loadstring, pairs = loadstring, pairs; + +local datamanager = require "util.datamanager"; module "pluginloader" +local function load_from_datastore(name) + local content = datamanager.load(name, "*", "plugins"); + if not content or not content[1] then return nil, "Resource not found"; end + return content[1], name; +end + local function load_file(name) local file, err = io_open(plugin_dir..name); if not file then return file, err; end @@ -22,16 +30,36 @@ return content, name; end -function load_resource(plugin, resource) +function load_resource(plugin, resource, loader) if not resource then resource = "mod_"..plugin..".lua"; end - local content, err = load_file(plugin.."/"..resource); - if not content then content, err = load_file(resource); end + loader = loader or load_file; + + local content, err = loader(plugin.."/"..resource); + if not content then content, err = loader(resource); end -- TODO add support for packed plugins + + if not content and loader == load_file then + return load_resource(plugin, resource, load_from_datastore); + end + return content, err; end +function store_resource(plugin, resource, content, metadata) + if not resource then + resource = "mod_"..plugin..".lua"; + end + local store = { content }; + if metadata then + for k,v in pairs(metadata) do + store[k] = v; + end + end + datamanager.store(plugin.."/"..resource, "*", "plugins", store); +end + function load_code(plugin, resource) local content, err = load_resource(plugin, resource); if not content then return content, err; end