diff options
Diffstat (limited to 'server/fsm.go')
| -rw-r--r-- | server/fsm.go | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/server/fsm.go b/server/fsm.go index 42f2005a..0cbdd84e 100644 --- a/server/fsm.go +++ b/server/fsm.go @@ -188,6 +188,7 @@ type FSMHandler struct { incoming chan *fsmMsg outgoing chan *bgp.BGPMessage holdTimerResetCh chan bool + reason string } func NewFSMHandler(fsm *FSM, incoming chan *fsmMsg, outgoing chan *bgp.BGPMessage) *FSMHandler { @@ -395,6 +396,8 @@ func (h *FSMHandler) recvMessageWithError() error { if len(h.holdTimerResetCh) == 0 { h.holdTimerResetCh <- true } + } else if m.Header.Type == bgp.BGP_MSG_NOTIFICATION { + h.reason = "Notification received" } } } @@ -630,6 +633,7 @@ func (h *FSMHandler) sendMessageloop() error { }).Warn("sent notification") h.errorCh <- true + h.reason = "Notificaiton sent" conn.Close() return fmt.Errorf("closed") } else { @@ -717,6 +721,7 @@ func (h *FSMHandler) established() bgp.FSMState { case <-h.errorCh: h.conn.Close() h.t.Kill(nil) + h.reason = "Peer closed the session" return bgp.BGP_FSM_IDLE case <-holdTimer.C: log.WithFields(log.Fields{ @@ -726,6 +731,7 @@ func (h *FSMHandler) established() bgp.FSMState { }).Warn("hold timer expired") m := bgp.NewBGPNotificationMessage(bgp.BGP_ERROR_HOLD_TIMER_EXPIRED, 0, nil) h.outgoing <- m + h.reason = "HoldTimer expired" return bgp.BGP_FSM_IDLE case <-h.holdTimerResetCh: if fsm.negotiatedHoldTime != 0 { @@ -749,6 +755,7 @@ func (h *FSMHandler) established() bgp.FSMState { func (h *FSMHandler) loop() error { fsm := h.fsm nextState := bgp.FSMState(0) + oldState := fsm.state switch fsm.state { case bgp.BGP_FSM_IDLE: nextState = h.idle() @@ -764,6 +771,21 @@ func (h *FSMHandler) loop() error { nextState = h.established() } + if nextState == bgp.BGP_FSM_ESTABLISHED && oldState == bgp.BGP_FSM_OPENCONFIRM { + log.WithFields(log.Fields{ + "Topic": "Peer", + "Key": fsm.peerConfig.NeighborAddress, + }).Info("Peer Up") + } + + if oldState == bgp.BGP_FSM_ESTABLISHED { + log.WithFields(log.Fields{ + "Topic": "Peer", + "Key": fsm.peerConfig.NeighborAddress, + "Reason": h.reason, + }).Info("Peer Down") + } + // zero means that tomb.Dying() if nextState >= bgp.BGP_FSM_IDLE { e := &fsmMsg{ |