summaryrefslogtreecommitdiffhomepage
path: root/server/server.go
diff options
context:
space:
mode:
Diffstat (limited to 'server/server.go')
-rw-r--r--server/server.go139
1 files changed, 27 insertions, 112 deletions
diff --git a/server/server.go b/server/server.go
index 532a7416..1102ab44 100644
--- a/server/server.go
+++ b/server/server.go
@@ -531,7 +531,6 @@ func filterpath(peer *Peer, path *table.Path) *table.Path {
func (server *BgpServer) dropPeerAllRoutes(peer *Peer, families []bgp.RouteFamily) []*SenderMsg {
msgs := make([]*SenderMsg, 0)
- options := &table.PolicyOptions{}
ids := make([]string, 0, len(server.neighborMap))
if peer.isRouteServerClient() {
for _, targetPeer := range server.neighborMap {
@@ -547,55 +546,12 @@ func (server *BgpServer) dropPeerAllRoutes(peer *Peer, families []bgp.RouteFamil
best, withdrawn := server.globalRib.DeletePathsByPeer(ids, peer.fsm.peerInfo, rf)
server.validatePaths(nil, withdrawn, true)
- if peer.isRouteServerClient() {
- for _, targetPeer := range server.neighborMap {
- if !targetPeer.isRouteServerClient() || targetPeer == peer || targetPeer.fsm.state != bgp.BGP_FSM_ESTABLISHED {
- continue
- }
- if _, ok := targetPeer.fsm.rfMap[rf]; !ok {
- continue
- }
- pathList := make([]*table.Path, 0, len(best[targetPeer.TableID()]))
- options.Neighbor = targetPeer.fsm.peerInfo.Address
- for _, bestPath := range best[targetPeer.TableID()] {
- if path := server.policy.ApplyPolicy(targetPeer.TableID(), table.POLICY_DIRECTION_EXPORT, filterpath(targetPeer, bestPath), options); path != nil {
- pathList = append(pathList, path)
- }
- }
- msgList := table.CreateUpdateMsgFromPaths(pathList)
- msgs = append(msgs, newSenderMsg(targetPeer, msgList))
- targetPeer.adjRibOut.Update(pathList)
- }
- } else {
- sendPathList := make([]*table.Path, 0, len(best[table.GLOBAL_RIB_NAME]))
- for _, path := range best[table.GLOBAL_RIB_NAME] {
- if path != nil {
- sendPathList = append(sendPathList, path)
- }
- }
- if len(sendPathList) == 0 {
- return msgs
+ for _, targetPeer := range server.neighborMap {
+ if peer.isRouteServerClient() != targetPeer.isRouteServerClient() || targetPeer == peer {
+ continue
}
-
- server.broadcastBests(sendPathList)
-
- for _, targetPeer := range server.neighborMap {
- if targetPeer.isRouteServerClient() || targetPeer.fsm.state != bgp.BGP_FSM_ESTABLISHED {
- continue
- }
- if _, ok := targetPeer.fsm.rfMap[rf]; !ok {
- continue
- }
- pathList := make([]*table.Path, 0, len(sendPathList))
- options.Neighbor = targetPeer.fsm.peerInfo.Address
- for _, path := range sendPathList {
- if path := server.policy.ApplyPolicy(table.GLOBAL_RIB_NAME, table.POLICY_DIRECTION_EXPORT, filterpath(targetPeer, path), options); path != nil {
- pathList = append(pathList, path)
- }
- }
- targetPeer.adjRibOut.Update(pathList)
- msgList := table.CreateUpdateMsgFromPaths(pathList)
-
+ if paths := targetPeer.processOutgoingPaths(best[targetPeer.TableID()]); len(paths) > 0 {
+ msgList := table.CreateUpdateMsgFromPaths(paths)
msgs = append(msgs, newSenderMsg(targetPeer, msgList))
}
}
@@ -632,6 +588,9 @@ func (server *BgpServer) broadcastValidationResults(results []*api.ROAResult) {
func (server *BgpServer) broadcastBests(bests []*table.Path) {
for _, path := range bests {
+ if path == nil {
+ continue
+ }
if !path.IsFromExternal() {
z := newBroadcastZapiBestMsg(server.zclient, path)
if z != nil {
@@ -813,10 +772,10 @@ func (server *BgpServer) validatePaths(newly, withdrawn []*table.Path, peerDown
}
func (server *BgpServer) propagateUpdate(peer *Peer, pathList []*table.Path) ([]*SenderMsg, []*table.Path) {
- msgs := make([]*SenderMsg, 0)
rib := server.globalRib
- var alteredPathList []*table.Path
- options := &table.PolicyOptions{}
+ var alteredPathList, newly, withdrawn []*table.Path
+ var best map[string][]*table.Path
+
if peer != nil && peer.isRouteServerClient() {
for _, path := range pathList {
path.Filter(peer.ID(), table.POLICY_DIRECTION_IMPORT)
@@ -830,10 +789,7 @@ func (server *BgpServer) propagateUpdate(peer *Peer, pathList []*table.Path) ([]
moded = append(moded, server.RSimportPaths(targetPeer, pathList)...)
}
isTarget := func(p *Peer) bool {
- if !p.isRouteServerClient() || p.fsm.state != bgp.BGP_FSM_ESTABLISHED || p.fsm.pConf.GracefulRestart.State.LocalRestarting {
- return false
- }
- return true
+ return p.isRouteServerClient() && p.fsm.state == bgp.BGP_FSM_ESTABLISHED && !p.fsm.pConf.GracefulRestart.State.LocalRestarting
}
ids := make([]string, 0, len(server.neighborMap))
@@ -842,71 +798,30 @@ func (server *BgpServer) propagateUpdate(peer *Peer, pathList []*table.Path) ([]
ids = append(ids, targetPeer.TableID())
}
}
- best, newly, withdrawn := rib.ProcessPaths(ids, append(pathList, moded...))
+ best, newly, withdrawn = rib.ProcessPaths(ids, append(pathList, moded...))
server.validatePaths(newly, withdrawn, false)
-
- for _, targetPeer := range server.neighborMap {
- if !isTarget(targetPeer) {
- continue
- }
- sendPathList := make([]*table.Path, 0, len(best[targetPeer.TableID()]))
- options.Neighbor = targetPeer.fsm.peerInfo.Address
- for _, bestPath := range best[targetPeer.TableID()] {
- path := server.policy.ApplyPolicy(targetPeer.TableID(), table.POLICY_DIRECTION_EXPORT, filterpath(targetPeer, bestPath), options)
- if path != nil {
- sendPathList = append(sendPathList, path)
- }
- }
- msgList := table.CreateUpdateMsgFromPaths(sendPathList)
- targetPeer.adjRibOut.Update(sendPathList)
- msgs = append(msgs, newSenderMsg(targetPeer, msgList))
- }
} else {
for idx, path := range pathList {
pathList[idx] = server.policy.ApplyPolicy(table.GLOBAL_RIB_NAME, table.POLICY_DIRECTION_IMPORT, path, nil)
}
alteredPathList = pathList
- best, newly, withdrawn := rib.ProcessPaths([]string{table.GLOBAL_RIB_NAME}, pathList)
+ best, newly, withdrawn = rib.ProcessPaths([]string{table.GLOBAL_RIB_NAME}, pathList)
server.validatePaths(newly, withdrawn, false)
- sendPathList := make([]*table.Path, 0, len(best[table.GLOBAL_RIB_NAME]))
- if server.bgpConfig.Global.Collector.Enabled {
- sendPathList = pathList
- } else {
- for _, path := range best[table.GLOBAL_RIB_NAME] {
- if path != nil {
- sendPathList = append(sendPathList, path)
- }
- }
- if len(sendPathList) == 0 {
- return msgs, alteredPathList
- }
- server.broadcastBests(sendPathList)
+ if len(best[table.GLOBAL_RIB_NAME]) == 0 {
+ return nil, alteredPathList
}
+ if !server.bgpConfig.Global.Collector.Enabled {
+ server.broadcastBests(best[table.GLOBAL_RIB_NAME])
+ }
+ }
- for _, targetPeer := range server.neighborMap {
- if targetPeer.isRouteServerClient() || targetPeer.fsm.state != bgp.BGP_FSM_ESTABLISHED || targetPeer.fsm.pConf.GracefulRestart.State.LocalRestarting {
- if targetPeer.fsm.pConf.GracefulRestart.State.LocalRestarting {
- log.WithFields(log.Fields{
- "Topic": "Peer",
- "Key": targetPeer.conf.Config.NeighborAddress,
- }).Debug("now syncing, suppress sending updates")
- }
- continue
- }
- pathList := make([]*table.Path, len(sendPathList))
- copy(pathList, sendPathList)
- options.Neighbor = targetPeer.fsm.peerInfo.Address
- for idx, path := range pathList {
- path = server.policy.ApplyPolicy(table.GLOBAL_RIB_NAME, table.POLICY_DIRECTION_EXPORT, filterpath(targetPeer, path), options)
- if path != nil && !server.bgpConfig.Global.Collector.Enabled {
- path = path.Clone(path.IsWithdraw)
- path.UpdatePathAttrs(&server.bgpConfig.Global, &targetPeer.conf)
- }
- pathList[idx] = path
- }
- targetPeer.adjRibOut.Update(pathList)
- msgList := table.CreateUpdateMsgFromPaths(pathList)
-
+ msgs := make([]*SenderMsg, 0)
+ for _, targetPeer := range server.neighborMap {
+ if (peer == nil && targetPeer.isRouteServerClient()) || (peer != nil && peer.isRouteServerClient() != targetPeer.isRouteServerClient()) {
+ continue
+ }
+ if paths := targetPeer.processOutgoingPaths(best[targetPeer.TableID()]); len(paths) > 0 {
+ msgList := table.CreateUpdateMsgFromPaths(paths)
msgs = append(msgs, newSenderMsg(targetPeer, msgList))
}
}