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fix: handle disconnection (nil gateway) in routes monitor

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This commit is contained in:
Simone Margaritelli 2021-04-12 12:39:19 +02:00
commit 4dac3b9373
1 changed files with 7 additions and 3 deletions
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10
session/session_routing.go
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@ -25,7 +25,9 @@ func (s *Session) routeMon() {
s.Events.Log(log.INFO, "gateway monitor started ...")
gw4 = s.Gateway
if gw4 = s.Gateway; gw4 == nil {
gw4 = &network.Endpoint{}
}
gwIP6, err = routing.Gateway(routing.IPv6, s.Interface.Name())
if err != nil {
@ -43,10 +45,12 @@ func (s *Session) routeMon() {
time.Sleep(5 * time.Second)
gw4now, err := network.FindGateway(s.Interface)
if gw4now == nil {
gw4now = &network.Endpoint{}
}
if err != nil {
s.Events.Log(log.ERROR, "error getting ipv4 gateway: %v", err)
} else if gw4now == nil {
s.Events.Log(log.ERROR, "null ipv4 gateway")
} else {
if gw4now.IpAddress != gw4.IpAddress || gw4now.HwAddress != gw4.HwAddress {
s.Events.Add("gateway.change", GatewayChange{