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util/pubsub.lua @ 3697:67c01f75af97
mod_pubsub: Use pubsub_error_reply everywhere
author | Florian Zeitz <florob@babelmonkeys.de> |
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date | Fri, 03 Dec 2010 16:36:13 +0100 |
parent | 3672:b24db47995ac |
child | 3698:77171fd1dc3c |
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module("pubsub", package.seeall); local service = {}; local service_mt = { __index = service }; function new(cb) return setmetatable({ cb = cb or {}, nodes = {} }, service_mt); end function service:add_subscription(node, actor, jid) local node_obj = self.nodes[node]; if not node_obj then return false, "item-not-found"; end node_obj.subscribers[jid] = true; return true; end function service:remove_subscription(node, actor, jid) self.nodes[node].subscribers[jid] = nil; return true; end function service:get_subscription(node, actor, jid) local node_obj = self.nodes[node]; if node_obj then return node_obj.subscribers[jid]; end end function service:create(node, actor) if not self.nodes[node] then self.nodes[node] = { name = node, subscribers = {}, config = {}, data = {} }; return true; end return false, "conflict"; end function service:publish(node, actor, id, item) local node_obj = self.nodes[node]; if not node_obj then node_obj = { name = node, subscribers = {}, config = {}, data = {} }; self.nodes[node] = node_obj; end node_obj.data[id] = item; self.cb.broadcaster(node, node_obj.subscribers, item); return true; end function service:get(node, actor, id) local node_obj = self.nodes[node]; if node_obj then if id then return { node_obj.data[id] }; else return node_obj.data; end end end return _M;