server: add REQ_BMP_NEIGHBORS api for internal bmp use

Signed-off-by: ISHIDA Wataru <ishida.wataru@lab.ntt.co.jp>

4 files changed, 28 insertions, 9 deletions

diff --git a/packet/bmp.go b/packet/bmp.go
index 82f93da9..1cb49200 100644
--- a/packet/bmp.go
+++ b/packet/bmp.go
@@ -39,7 +39,7 @@ const (
 )
 
 const (
-	BMP_PEER_TYPE_GLOBAL = iota
+	BMP_PEER_TYPE_GLOBAL uint8 = iota
 	BMP_PEER_TYPE_L3VPN
 )
 
diff --git a/server/bmp.go b/server/bmp.go
index 86029983..3d8b50f6 100644
--- a/server/bmp.go
+++ b/server/bmp.go
@@ -35,7 +35,7 @@ func (m *broadcastBMPMsg) send() {
 	m.ch <- m
 }
 
-type bmpConn struct {
+type bmpServer struct {
 	conn *net.TCPConn
 	host string
 }
@@ -160,18 +160,18 @@ func (c *bmpClient) send() chan *broadcastBMPMsg {
 	return c.ch
 }
 
-func bmpPeerUp(laddr string, lport, rport uint16, sent, recv *bgp.BGPMessage, t int, policy bool, pd uint64, peeri *table.PeerInfo, timestamp int64) *bgp.BMPMessage {
-	ph := bgp.NewBMPPeerHeader(uint8(t), policy, pd, peeri.Address.String(), peeri.AS, peeri.LocalID.String(), float64(timestamp))
+func bmpPeerUp(laddr string, lport, rport uint16, sent, recv *bgp.BGPMessage, t uint8, policy bool, pd uint64, peeri *table.PeerInfo, timestamp int64) *bgp.BMPMessage {
+	ph := bgp.NewBMPPeerHeader(t, policy, pd, peeri.Address.String(), peeri.AS, peeri.ID.String(), float64(timestamp))
 	return bgp.NewBMPPeerUpNotification(*ph, laddr, lport, rport, sent, recv)
 }
 
-func bmpPeerDown(reason uint8, t int, policy bool, pd uint64, peeri *table.PeerInfo, timestamp int64) *bgp.BMPMessage {
-	ph := bgp.NewBMPPeerHeader(uint8(t), policy, pd, peeri.Address.String(), peeri.AS, peeri.LocalID.String(), float64(timestamp))
+func bmpPeerDown(reason uint8, t uint8, policy bool, pd uint64, peeri *table.PeerInfo, timestamp int64) *bgp.BMPMessage {
+	ph := bgp.NewBMPPeerHeader(t, policy, pd, peeri.Address.String(), peeri.AS, peeri.ID.String(), float64(timestamp))
 	return bgp.NewBMPPeerDownNotification(*ph, reason, nil, []byte{})
 }
 
-func bmpPeerRoute(t int, policy bool, pd uint64, peeri *table.PeerInfo, timestamp int64, payload []byte) *bgp.BMPMessage {
-	ph := bgp.NewBMPPeerHeader(uint8(t), policy, pd, peeri.Address.String(), peeri.AS, peeri.LocalID.String(), float64(timestamp))
+func bmpPeerRoute(t uint8, policy bool, pd uint64, peeri *table.PeerInfo, timestamp int64, payload []byte) *bgp.BMPMessage {
+	ph := bgp.NewBMPPeerHeader(t, policy, pd, peeri.Address.String(), peeri.AS, peeri.ID.String(), float64(timestamp))
 	m := bgp.NewBMPRouteMonitoring(*ph, nil)
 	body := m.Body.(*bgp.BMPRouteMonitoring)
 	body.BGPUpdatePayload = payload
diff --git a/server/grpc_server.go b/server/grpc_server.go
index 212e9842..63d6e1ad 100644
--- a/server/grpc_server.go
+++ b/server/grpc_server.go
@@ -66,6 +66,7 @@ const (
 	REQ_MOD_POLICY
 	REQ_POLICY_ASSIGNMENT
 	REQ_MOD_POLICY_ASSIGNMENT
+	REQ_BMP_NEIGHBORS
 )
 
 type Server struct {
diff --git a/server/server.go b/server/server.go
index 71eefced..8de474a2 100644
--- a/server/server.go
+++ b/server/server.go
@@ -1658,7 +1658,25 @@ func (server *BgpServer) handleGrpc(grpcReq *GrpcRequest) []*SenderMsg {
 			i++
 		}
 		go sendMultipleResponses(grpcReq, results)
-
+	case REQ_BMP_NEIGHBORS:
+		//TODO: merge REQ_NEIGHBORS and REQ_BMP_NEIGHBORS
+		msgs := make([]*bgp.BMPMessage, 0, len(server.neighborMap))
+		for _, peer := range server.neighborMap {
+			if peer.fsm.state != bgp.BGP_FSM_ESTABLISHED {
+				continue
+			}
+			laddr, lport := peer.fsm.LocalHostPort()
+			_, rport := peer.fsm.RemoteHostPort()
+			sentOpen := buildopen(peer.fsm.gConf, peer.fsm.pConf)
+			info := peer.fsm.peerInfo
+			timestamp := peer.conf.Timers.State.Uptime
+			msg := bmpPeerUp(laddr, lport, rport, sentOpen, peer.recvOpen, bgp.BMP_PEER_TYPE_GLOBAL, false, 0, info, timestamp)
+			msgs = append(msgs, msg)
+		}
+		grpcReq.ResponseCh <- &GrpcResponse{
+			Data: msgs,
+		}
+		close(grpcReq.ResponseCh)
 	case REQ_NEIGHBOR:
 		peer, err := server.checkNeighborRequest(grpcReq)
 		if err != nil {