mirror of https://github.com/aredn/aredn.git
59 lines
2.0 KiB
Lua
59 lines
2.0 KiB
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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Original Shell Copyright (C) 2019 Joe Ayers AE6XE
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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® 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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local watchdogfile = "/tmp/olsrd.watchdog"
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local sleeptime = 3 * 60 -- 3 minutes
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local timeout = 10 * 60 -- 10 minutes
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function olsrd_watchdog()
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while true
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do
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wait_for_ticks(sleeptime)
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if nixio.fs.stat(watchdogfile) then
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local watchtime = tonumber(read_all(watchdogfile))
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-- If watchtime hasn't update recently then we restart OLSRD
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if watchtime + timeout < os.time() then
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nixio.syslog("err", "olsrd watchdog timeout - restarting")
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os.remove(watchdogfile)
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os.execute("/etc/init.d/olsrd restart")
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end
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end
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end
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end
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return olsrd_watchdog
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