//monitorBest monitors for route updates/changes form peer
func (self *OfnetBgp) watch() {
w := self.bgpServer.Watch(gobgp.WatchBestPath(), gobgp.WatchPeerState(true))
for {
select {
case ev := <-w.Event():
switch msg := ev.(type) {
case *gobgp.WatchEventBestPath:
for _, path := range msg.PathList {
self.modRib(path)
}
case *gobgp.WatchEventPeerState:
self.peerUpdate(msg)
}
case <-self.stopWatch:
return
}
}
}
func (s *Server) MonitorPeerState(arg *Arguments, stream GobgpApi_MonitorPeerStateServer) error {
return func() error {
w := s.bgpServer.Watch(server.WatchPeerState(false))
defer func() { w.Stop() }()
for {
select {
case ev := <-w.Event():
switch msg := ev.(type) {
case *server.WatchEventPeerState:
if len(arg.Name) > 0 && arg.Name != msg.PeerAddress.String() {
continue
}
if err := stream.Send(&Peer{
Conf: &PeerConf{
PeerAs: msg.PeerAS,
LocalAs: msg.LocalAS,
NeighborAddress: msg.PeerAddress.String(),
Id: msg.PeerID.String(),
},
Info: &PeerState{
PeerAs: msg.PeerAS,
LocalAs: msg.LocalAS,
NeighborAddress: msg.PeerAddress.String(),
BgpState: msg.State.String(),
AdminState: msg.AdminState.String(),
},
Transport: &Transport{
LocalAddress: msg.LocalAddress.String(),
LocalPort: uint32(msg.LocalPort),
RemotePort: uint32(msg.PeerPort),
},
}); err != nil {
return err
}
}
}
}
}()
}