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internet-detector-mod-modem-restart/files/usr/lib/lua/internet-detector/modules/mod_modem_restart.lua
-152
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@@ -1,152 +0,0 @@
--[[
Dependences:
modemmanager
--]]
local unistd = require("posix.unistd")
local Module = {
name = "mod_modem_restart",
runPrio = 40,
config = {},
syslog = function(level, msg) return true end,
debugOutput = function(msg) return true end,
writeValue = function(filePath, str) return false end,
readValue = function(filePath) return nil end,
mmcli = "/usr/bin/mmcli",
mmInit = "/etc/init.d/modemmanager",
deadPeriod = 600,
attempts = 1,
attemptInterval = 15,
ifaceTimeout = 0,
iface = nil,
anyBand = false,
status = nil,
_enabled = false,
_attemptsCounter = 0,
_attemptIntervalCounter = 0,
_deadCounter = 0,
_firstAttempt = true,
_ifaceRestarting = false,
_ifaceRestartCounter = 0,
_disconnectedAtStartup = false,
}
function Module:toggleIface(flag)
if not self.iface then
return
end
return os.execute(
string.format("%s %s", (flag and "/sbin/ifup" or "/sbin/ifdown"), self.iface)
)
end
function Module:init(t)
if t.dead_period ~= nil then
self.deadPeriod = tonumber(t.dead_period)
end
if t.attempts ~= nil then
self.attempts = tonumber(t.attempts)
end
if t.attempt_interval ~= nil then
self.attemptInterval = tonumber(t.attempt_interval)
end
if t.iface ~= nil then
self.iface = t.iface
end
if t.iface_timeout ~= nil then
self.ifaceTimeout = tonumber(t.iface_timeout)
end
if t.any_band ~= nil then
self.anyBand = (tonumber(t.any_band) ~= 0)
end
if tonumber(t.disconnected_at_startup) == 1 then
self._disconnectedAtStartup = true
end
if not unistd.access(self.mmcli, "x") then
self.anyBand = false
end
if (unistd.access(self.mmInit, "x")
and os.execute(string.format("%s enabled", self.mmInit)) == 0) then
self._enabled = true
else
self._enabled = false
self.syslog("err", string.format(
"%s: modemmanager service is not available", self.name))
end
end
function Module:restartMM()
if os.execute(string.format("%s enabled", self.mmInit)) == 0 then
if self.anyBand then
self.syslog("info", string.format(
"%s: resetting current-bands to 'any'", self.name))
os.execute(string.format("%s -m any --set-current-bands=any", self.mmcli))
end
self.syslog("info", string.format("%s: reconnecting modem", self.name))
os.execute(string.format("%s restart", self.mmInit))
if self.iface then
self.syslog("info", string.format(
"%s: restarting network interface '%s'", self.name, self.iface))
self:toggleIface(false)
if self.ifaceTimeout < 1 then
self:toggleIface(true)
else
self._ifaceRestarting = true
end
end
else
self.syslog("warning", string.format(
"%s: modemmanager service is disabled", self.name))
end
if self.attempts > 0 then
self._attemptsCounter = self._attemptsCounter + 1
end
end
function Module:run(currentStatus, lastStatus, timeDiff, timeNow, inetChecked)
if not self._enabled then
return
end
if self.iface and self._ifaceRestarting then
if self._ifaceRestartCounter >= self.ifaceTimeout then
self:toggleIface(true)
self._ifaceRestarting = false
self._ifaceRestartCounter = 0
else
self._ifaceRestartCounter = self._ifaceRestartCounter + timeDiff
end
else
if currentStatus == 1 then
if self._disconnectedAtStartup and self._deadCounter >= self.deadPeriod then
if self.attempts == 0 or self._attemptsCounter < self.attempts then
if self._firstAttempt or self._attemptIntervalCounter >= self.attemptInterval then
self:restartMM()
self._attemptIntervalCounter = 0
self._firstAttempt = false
else
self._attemptIntervalCounter = self._attemptIntervalCounter + timeDiff
end
end
else
self._deadCounter = self._deadCounter + timeDiff
end
else
self._attemptsCounter = 0
self._attemptIntervalCounter = 0
self._deadCounter = 0
self._disconnectedAtStartup = true
self._firstAttempt = true
end
self._ifaceRestartCounter = 0
end
end
function Module:onExit()
return true
end
return Module