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--
-- rhnop
--
-- Copyright (C) 2011 Christian Pointner <equinox@helsinki.at>
--
-- This file is part of rhnop.
--
-- rhnop is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- any later version.
--
-- rhnop is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with rhnop. If not, see <http://www.gnu.org/licenses/>.
--
require "luasql.mysql"
-- CREATE DATABASE rhnop
-- GRANT select,insert,update ON rhnop.* TO 'nopsyncd' IDENTIFIED BY '<password>';
-- GRANT select ON rhnop.* TO 'nopcollectd' IDENTIFIED BY '<password>';
-- USE rhnop
-- CREATE TABLE IF NOT EXISTS now (timestamp BIGINT UNSIGNED PRIMARY KEY NOT NULL, cart INT NOT NULL, len INT, showtitle VARCHAR(255), title VARCHAR(255), artist VARCHAR(255), album VARCHAR(255), ismusic BOOLEAN);
local db = {}
function db:init(db, user, pwd, host, port, table)
self.table = table
local err
self.env, err = luasql.mysql()
if self.env == nil then
return nil, err
end
self.con, err = self.env:connect(db, user, pwd, host, port)
if self.con == nil then
return nil, err
end
local ret, err = self.con:setautocommit(true)
if ret == nil then
return nil, err
end
return true
end
function db:getLastEntry()
local cur, err = self.con:execute("SELECT MAX(timestamp) FROM " .. self.table)
if cur == nil then
return nil, err
end
local timestamp = cur:fetch()
if timestamp == nil then timestamp = 0 end
return timestamp
end
function db:findMissingEntries(lasttimestamp)
local lastts = self.con:escape(lasttimestamp)
return = self.con:execute("SELECT * FROM " .. self.table .. " WHERE timestamp > '" .. lastts .. "')")
end
function db:getNextMissingEntry(cur)
local data = {}
data = cur:fetch(data, "a")
if data == nil then
return nil, "that's all folks"
end
return data
end
function db:getEntry(timestamp)
local ts = self.con:escape(timestamp)
local cur, err = self.con:execute("SELECT * FROM " .. self.table .. " WHERE timestamp = '" .. ts .. "')")
if cur == nil then
return nil, err
end
local data = {}
data = cur:fetch(data, "a")
if data == nil then
return nil, "nothing found"
end
return data
end
function db:addEntry(data)
local timestamp = self.con:escape(data.timestamp)
local cart = self.con:escape(data.cart)
local len = self.con:escape(data.len)
local showtitle = self.con:escape(data.showtitle)
local title = self.con:escape(data.title)
local artist = self.con:escape(data.artist)
local album = self.con:escape(data.album)
local ismusic = self.con:escape(data.ismusic)
local cur, err = self.con:execute("REPLACE INTO " .. self.table .. " VALUES('" .. timestamp .. "', '" .. cart .. "', '" .. len .. "', '" .. showtitle .. "', '" .. title .. "', '" .. artist .."', '" .. album .. "', '" .. ismusic "')")
if cur == nil then
return nil, err
end
return true
end
function db:close()
if self.con then
self.con:close()
end
if self.env then
self.env:close()
end
end
return db
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