87 lines
2.5 KiB
Lua
87 lines
2.5 KiB
Lua
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#! /usr/bin/env lua
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--[[
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fluksod.lua - Lua part of the Flukso daemon
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Copyright (C) 2011 Bart Van Der Meerssche <bart.vandermeerssche@flukso.net>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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]]--
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local dbg = require 'dbg'
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local nixio = require 'nixio'
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nixio.fs = require 'nixio.fs'
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local uci = require 'luci.model.uci'.cursor()
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local arg = arg or {} -- needed when this code is not loaded via the interpreter
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local DEBUG = (arg[1] == '-d')
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local DAEMON = os.getenv('DAEMON') or 'fluksod'
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local DAEMON_PATH = os.getenv('DAEMON_PATH') or '/var/run/' .. DAEMON
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local DELTA_PATH = '/var/run/spid/delta'
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local DELTA_PATH_IN = DELTA_PATH .. '/in'
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local DELTA_PATH_OUT = DELTA_PATH .. '/out'
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local O_RDWR = nixio.open_flags('rdwr')
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local O_RDWR_NONBLOCK = nixio.open_flags('rdwr', 'nonblock')
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local POLLIN = nixio.poll_flags('in')
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-- parse and load /etc/config/flukso
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local FLUKSO = uci:get_all('flukso')
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local delta = { fdin = nixio.open(DELTA_PATH_IN, O_RDWR_NONBLOCK),
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fdout = nixio.open(DELTA_PATH_OUT, O_RDWR) }
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if delta.fdin == nil or delta.fdout == nil then
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-- TODO output to syslog
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print('Error. Unable to open the delta fifos.')
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print('Exiting...')
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os.exit(1)
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end
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-- TODO acquire an exclusive lock on the delta fifos or exit
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function tolua(num)
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return num + 1
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end
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for line in delta.fdout:linesource() do
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print(line)
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timestamp, data = line:match('^(%d+)%s+([%d%s]+)$')
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for i, counter, extra in data:gmatch('(%d+)%s+(%d+)%s+(%d+)') do
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-- map index(+1!) to sensor id and sensor type
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local sensor_id = FLUKSO[tostring(tolua(i))]['id']
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local sensor_type = FLUKSO[tostring(tolua(i))]['type']
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print(sensor_id, sensor_type, counter, extra)
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-- resume both branches
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-- check in the e branch whether the counter has increased, if not then discard
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-- chech in both branches whether timestamp has increased
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-- or do we override??
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end
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end
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