mirror of https://github.com/aredn/aredn.git
90 lines
2.6 KiB
Lua
90 lines
2.6 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(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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local watchdogfile = "/tmp/olsrd.watchdog"
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local pidfile = "/var/run/olsrd.pid"
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local logfile = "/tmp/olsrd.log"
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function olsrd_restart()
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-- print "olsrd_restart"
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os.execute("/etc/init.d/olsrd restart")
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if nixio.fs.stat(logfile) then
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local lines = read_all(logfile):splitNewLine()
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lines[#lines + 1] = secondsToClock(nixio.sysinfo().uptime) .. " " .. os.date()
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local start = 1
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if #lines > 300 then
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start = #lines - 275
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end
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local f = io.open(logfile, "w")
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if f then
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for i = start, #lines
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do
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f:write(lines[i] .. "\n")
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end
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f:close()
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end
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end
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end
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function watchdog()
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while true
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do
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wait_for_ticks(223)
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local pid = read_all(pidfile)
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if pid and nixio.fs.stat("/proc/" .. pid) then
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if nixio.fs.stat(watchdogfile) then
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os.remove(watchdogfile)
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else
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olsrd_restart()
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end
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else
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local pids = capture("pidof olsrd"):splitWhiteSpace()
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if #pids == 1 then
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write_all(pidfile, pids[1]);
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elseif #pids == 0 then
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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 watchdog
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