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When OLSRd crashes, the old tunnels still exist. This can lead to unexpected behaviour. The tunnels to be removed start with "tnl_" See freifunk-berlin/firmware#522 Signed-off-by: pmelange <isprotejesvalkata@gmail.com>
39 lines
1013 B
Lua
Executable File
39 lines
1013 B
Lua
Executable File
#!/usr/bin/lua
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require "os"
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require "io"
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require "uci"
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local fs = require "nixio.fs"
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if fs.access("/var/run/olsrd.pid") or fs.access("/var/run/olsrd4.pid") then
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local stamp, intv
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local x = uci.cursor()
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x:foreach("olsrd", "LoadPlugin",
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function(s)
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if s.library == "olsrd_watchdog.so.0.1" then
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intv = tonumber(s.interval)
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stamp = s.file
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end
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end)
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if intv and fs.access(stamp) then
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local systime = os.time()
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local wdgtime = tonumber(io.lines(stamp)())
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if not wdgtime or ( systime - wdgtime ) > ( intv * 2 ) then
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os.execute("logger -t 'OLSR watchdog' 'Process died - restarting!'")
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local tnls = io.popen("ip tunnel show | cut -d : -f 1")
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while true do
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tnl = tnls:read("*line")
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if tnl == nil then break end
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if string.find(tnl, "tnl_") == 1 then
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os.execute(string.format("logger -t 'OLSR watchdog' 'Deleting stale tunnel %s'", tnl))
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os.execute(string.format("ip link del %s", tnl))
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end
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end
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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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