author | James Callahan <james@chatid.com> |
Tue, 13 Dec 2011 12:30:01 +1100 | |
changeset 506 | 0e07810550c8 |
parent 505 | b6d2ac386120 |
child 507 | 46f578da4ff0 |
permissions | -rw-r--r-- |
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local next = next; |
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local setmetatable = setmetatable; |
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local log = require "util.logger".init("mongodb"); |
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local params = module:get_option("mongodb"); |
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local mongo = require "mongo"; |
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local conn = mongo.Connection.New ( true ); |
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conn:connect ( params.server ); |
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conn:auth ( params ); |
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local keyval_store = {}; |
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keyval_store.__index = keyval_store; |
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function keyval_store:get(username) |
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mod_storage_mongodb: Use _global as host when none provided
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local host = module.host or "_global"; |
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local store = self.store; |
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local namespace = params.dbname .. "." .. host; |
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local v = { _id = { store = store ; username = username } }; |
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local cursor , err = conn:query ( namespace , v ); |
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if not cursor then return nil , err end; |
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local r , err = cursor:next ( ); |
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if not r then return nil , err end; |
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return r.data; |
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end |
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function keyval_store:set(username, data) |
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local host = module.host or "_global"; |
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mod_storage_mongodb: Use _global as host when none provided
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parents:
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local store = self.store; |
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local namespace = params.dbname .. "." .. host; |
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local v = { _id = { store = store ; username = username } }; |
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if next(data) ~= nil then -- set data |
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v.data = data; |
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return conn:insert ( namespace , v ); |
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else -- delete data |
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return conn:remove ( namespace , v ); |
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end; |
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end |
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local driver = { name = "mongodb" }; |
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function driver:open(store, typ) |
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if not typ then -- default key-value store |
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return setmetatable({ store = store }, keyval_store); |
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end; |
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return nil, "unsupported-store"; |
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end |
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module:add_item("data-driver", driver); |