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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/>.
--
local queue_name = "/rhnop"
mq = require "luamq"
tempstorage = require "tempstorage"
rddb = require "rddb"
function handle_now(timestamp, nowcart, nowlen)
local results, err = rddb:getCartInfo(nowcart);
if results == nil then
io.stderr:write("can't fetch cart info: " .. err .. "\n")
else
-- TODO: insert into tempstorage
print(timestamp .. " Info: '" .. results.TITLE .. "' von '" .. results.ARTIST .. "' aus '" .. results.ALBUM .. "'")
pipe.signal()
end
end
function handle_message(msg)
local timestamp, nowcart, nowlen, nextcart, nextlen = string.match(msg, "^(%d+) (%d+) (%d+) (%d+) (%d+)$");
if not timestamp or not nowcart or not nowlen or not nextcart or not nextlen then
io.stderr:write("ignoring malformed message\n")
else
-- TODO sanity checks: is now info new or just next?
handle_now(timestamp, nowcart, nowlen)
-- TODO handle next info
end
end
function main_loop()
local q, err = mq.create(queue_name, "ro")
if q == nil then
io.stderr:write("creation of message queue failed: " .. err .. "\n")
os.exit(1)
end
local ret, err = tempstorage:init()
if ret == nil then
io.stderr:write("creation of tempstorage failed: " .. err .. "\n")
os.exit(1)
end
local ret, err = rddb:init()
if ret == nil then
io.stderr:write("opening rivendell db failed: " .. err .. "\n")
tempstorage:close()
os.exit(1)
end
while true do
local msg, prio = mq.receive(q)
if msg == nil then
io.stderr:write("recv error: " .. prio .. "\n")
rddb:close()
tempstorage:close()
os.exit(2)
end
handle_message(msg)
end
end
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