mirror of https://github.com/aredn/aredn.git
113 lines
3.0 KiB
Lua
Executable File
113 lines
3.0 KiB
Lua
Executable File
#!/usr/bin/lua
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--[[
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Part of AREDN -- Used for creating Amateur Radio Emergency Data Networks
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Copyright (C) 2021 Tim Wilkinson
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See Contributors file for additional contributors
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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 version 3 of the License.
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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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Additional Terms:
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Additional use restrictions exist on the AREDN(TM) trademark and logo.
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See AREDNLicense.txt for more info.
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Attributions to the AREDN Project must be retained in the source code.
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If importing this code into a new or existing project attribution
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to the AREDN project must be added to the source code.
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You must not misrepresent the origin of the material contained within.
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Modified versions must be modified to attribute to the original source
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and be marked in reasonable ways as differentiate it from the original
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version
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--]]
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package.path = package.path .. ";/usr/local/bin/?.lua"
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require("uci")
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require("nixio")
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require("aredn.utils")
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require("iwinfo")
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require("aredn.hardware")
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require("aredn.log")
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require("luci.jsonc")
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-- aggressive gc on low memory devices
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if nixio.sysinfo().totalram < 32 * 1024 * 1024 then
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collectgarbage("setstepmul", 1000)
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end
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function wait_for_ticks(ticks)
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coroutine.yield(ticks)
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end
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function exit_app()
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coroutine.yield('exit')
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end
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mainlog = aredn.log.open("/tmp/manager.log", 8000)
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-- Load management tasks
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local tasks = {}
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for name in nixio.fs.dir("/usr/local/bin/mgr")
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do
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local task = name:match("^(.+)%.lua$")
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if task then
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tasks[#tasks + 1] = { name = task, app = require("mgr." .. task) }
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end
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end
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for i, task in ipairs(tasks)
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do
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task.routine = coroutine.create(task.app)
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task.time = 0
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end
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while true
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do
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for i, task in ipairs(tasks)
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do
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if task.time <= os.time() then
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mainlog.prefix = task.name
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local status, newdelay = coroutine.resume(task.routine)
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if not status then
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mainlog:write(newdelay) -- error message
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mainlog:flush()
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task.routine = coroutine.create(task.app)
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task.time = 120 + os.time() -- 2 minute restart delay
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elseif not newdelay then
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task.time = 60 + os.time() -- 1 minute default delay
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elseif newdelay == "exit" then
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task.routine = null
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task.time = math.huge
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mainlog:write("Terminating manager task: " .. task.name)
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mainlog:flush()
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else
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task.time = newdelay + os.time()
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end
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mainlog.prefix = nil
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end
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end
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table.sort(tasks, function(a,b) return a.time < b.time end)
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local delay = tasks[1].time - os.time()
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if delay > 0 then
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collectgarbage("collect")
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delay = tasks[1].time - os.time()
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if delay > 0 then
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nixio.nanosleep(delay, 0)
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end
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end
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end
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