diff options
| author | FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> | 2018-07-06 15:49:35 +0900 |
|---|---|---|
| committer | FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> | 2018-07-06 23:56:54 +0900 |
| commit | e4031c14a5060c4fadf7e3c655bd0f6d7714b634 (patch) | |
| tree | 101986ba40d8cd3a5e2cfa8471bbc41b8bada765 /server/grpc_server.go | |
| parent | 69f866a77cb83db8925fb95fb55d6086fbfe899c (diff) | |
api: decrease the dependency
move grpc_server.go to server/
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Diffstat (limited to 'server/grpc_server.go')
| -rw-r--r-- | server/grpc_server.go | 3016 |
1 files changed, 3016 insertions, 0 deletions
diff --git a/server/grpc_server.go b/server/grpc_server.go new file mode 100644 index 00000000..4dab8182 --- /dev/null +++ b/server/grpc_server.go @@ -0,0 +1,3016 @@ +// Copyright (C) 2014-2016 Nippon Telegraph and Telephone Corporation. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or +// implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package server + +import ( + "bytes" + "fmt" + "io" + "net" + "reflect" + "regexp" + "strconv" + "strings" + "sync" + "time" + + farm "github.com/dgryski/go-farm" + "github.com/golang/protobuf/ptypes/any" + log "github.com/sirupsen/logrus" + "golang.org/x/net/context" + "google.golang.org/grpc" + + api "github.com/osrg/gobgp/api" + "github.com/osrg/gobgp/config" + "github.com/osrg/gobgp/packet/bgp" + "github.com/osrg/gobgp/table" + "github.com/osrg/gobgp/zebra" +) + +type Server struct { + bgpServer *BgpServer + grpcServer *grpc.Server + hosts string +} + +func NewGrpcServer(b *BgpServer, hosts string) *Server { + size := 256 << 20 + return NewServer(b, grpc.NewServer(grpc.MaxRecvMsgSize(size), grpc.MaxSendMsgSize(size)), hosts) +} + +func NewServer(b *BgpServer, g *grpc.Server, hosts string) *Server { + grpc.EnableTracing = false + s := &Server{ + bgpServer: b, + grpcServer: g, + hosts: hosts, + } + api.RegisterGobgpApiServer(g, s) + return s +} + +func (s *Server) Serve() error { + var wg sync.WaitGroup + l := strings.Split(s.hosts, ",") + wg.Add(len(l)) + + serve := func(host string) { + defer wg.Done() + lis, err := net.Listen("tcp", host) + if err != nil { + log.WithFields(log.Fields{ + "Topic": "grpc", + "Key": host, + "Error": err, + }).Warn("listen failed") + return + } + err = s.grpcServer.Serve(lis) + log.WithFields(log.Fields{ + "Topic": "grpc", + "Key": host, + "Error": err, + }).Warn("accept failed") + } + + for _, host := range l { + go serve(host) + } + wg.Wait() + return nil +} + +func NewMpGracefulRestartFromConfigStruct(c *config.MpGracefulRestart) *api.MpGracefulRestart { + return &api.MpGracefulRestart{ + Config: &api.MpGracefulRestartConfig{ + Enabled: c.Config.Enabled, + }, + } +} + +func extractFamilyFromConfigAfiSafi(c *config.AfiSafi) uint32 { + if c == nil { + return 0 + } + // If address family value is already stored in AfiSafiState structure, + // we prefer to use this value. + if c.State.Family != 0 { + return uint32(c.State.Family) + } + // In case that Neighbor structure came from CLI or gRPC, address family + // value in AfiSafiState structure can be omitted. + // Here extracts value from AfiSafiName field in AfiSafiConfig structure. + if rf, err := bgp.GetRouteFamily(string(c.Config.AfiSafiName)); err == nil { + return uint32(rf) + } + // Ignores invalid address family name + return 0 +} + +func NewAfiSafiConfigFromConfigStruct(c *config.AfiSafi) *api.AfiSafiConfig { + return &api.AfiSafiConfig{ + Family: extractFamilyFromConfigAfiSafi(c), + Enabled: c.Config.Enabled, + } +} + +func NewApplyPolicyFromConfigStruct(c *config.ApplyPolicy) *api.ApplyPolicy { + applyPolicy := &api.ApplyPolicy{ + ImportPolicy: &api.PolicyAssignment{ + Type: api.PolicyType_IMPORT, + Default: api.RouteAction(c.Config.DefaultImportPolicy.ToInt()), + }, + ExportPolicy: &api.PolicyAssignment{ + Type: api.PolicyType_EXPORT, + Default: api.RouteAction(c.Config.DefaultExportPolicy.ToInt()), + }, + InPolicy: &api.PolicyAssignment{ + Type: api.PolicyType_IN, + Default: api.RouteAction(c.Config.DefaultInPolicy.ToInt()), + }, + } + + for _, pname := range c.Config.ImportPolicyList { + applyPolicy.ImportPolicy.Policies = append(applyPolicy.ImportPolicy.Policies, &api.Policy{Name: pname}) + } + for _, pname := range c.Config.ExportPolicyList { + applyPolicy.ExportPolicy.Policies = append(applyPolicy.ExportPolicy.Policies, &api.Policy{Name: pname}) + } + for _, pname := range c.Config.InPolicyList { + applyPolicy.InPolicy.Policies = append(applyPolicy.InPolicy.Policies, &api.Policy{Name: pname}) + } + + return applyPolicy +} + +func NewRouteSelectionOptionsFromConfigStruct(c *config.RouteSelectionOptions) *api.RouteSelectionOptions { + return &api.RouteSelectionOptions{ + Config: &api.RouteSelectionOptionsConfig{ + AlwaysCompareMed: c.Config.AlwaysCompareMed, + IgnoreAsPathLength: c.Config.IgnoreAsPathLength, + ExternalCompareRouterId: c.Config.ExternalCompareRouterId, + AdvertiseInactiveRoutes: c.Config.AdvertiseInactiveRoutes, + EnableAigp: c.Config.EnableAigp, + IgnoreNextHopIgpMetric: c.Config.IgnoreNextHopIgpMetric, + }, + } +} + +func NewUseMultiplePathsFromConfigStruct(c *config.UseMultiplePaths) *api.UseMultiplePaths { + return &api.UseMultiplePaths{ + Config: &api.UseMultiplePathsConfig{ + Enabled: c.Config.Enabled, + }, + Ebgp: &api.Ebgp{ + Config: &api.EbgpConfig{ + AllowMultipleAs: c.Ebgp.Config.AllowMultipleAs, + MaximumPaths: c.Ebgp.Config.MaximumPaths, + }, + }, + Ibgp: &api.Ibgp{ + Config: &api.IbgpConfig{ + MaximumPaths: c.Ibgp.Config.MaximumPaths, + }, + }, + } +} + +func NewPrefixLimitFromConfigStruct(c *config.AfiSafi) *api.PrefixLimit { + if c.PrefixLimit.Config.MaxPrefixes == 0 { + return nil + } + + return &api.PrefixLimit{ + Family: uint32(c.State.Family), + MaxPrefixes: c.PrefixLimit.Config.MaxPrefixes, + ShutdownThresholdPct: uint32(c.PrefixLimit.Config.ShutdownThresholdPct), + } +} + +func NewRouteTargetMembershipFromConfigStruct(c *config.RouteTargetMembership) *api.RouteTargetMembership { + return &api.RouteTargetMembership{ + Config: &api.RouteTargetMembershipConfig{ + DeferralTime: uint32(c.Config.DeferralTime), + }, + } +} + +func NewLongLivedGracefulRestartFromConfigStruct(c *config.LongLivedGracefulRestart) *api.LongLivedGracefulRestart { + return &api.LongLivedGracefulRestart{ + Config: &api.LongLivedGracefulRestartConfig{ + Enabled: c.Config.Enabled, + RestartTime: c.Config.RestartTime, + }, + } +} + +func NewAddPathsFromConfigStruct(c *config.AddPaths) *api.AddPaths { + return &api.AddPaths{ + Config: &api.AddPathsConfig{ + Receive: c.Config.Receive, + SendMax: uint32(c.Config.SendMax), + }, + } +} + +func NewAfiSafiFromConfigStruct(c *config.AfiSafi) *api.AfiSafi { + return &api.AfiSafi{ + MpGracefulRestart: NewMpGracefulRestartFromConfigStruct(&c.MpGracefulRestart), + Config: NewAfiSafiConfigFromConfigStruct(c), + ApplyPolicy: NewApplyPolicyFromConfigStruct(&c.ApplyPolicy), + RouteSelectionOptions: NewRouteSelectionOptionsFromConfigStruct(&c.RouteSelectionOptions), + UseMultiplePaths: NewUseMultiplePathsFromConfigStruct(&c.UseMultiplePaths), + PrefixLimits: NewPrefixLimitFromConfigStruct(c), + RouteTargetMembership: NewRouteTargetMembershipFromConfigStruct(&c.RouteTargetMembership), + LongLivedGracefulRestart: NewLongLivedGracefulRestartFromConfigStruct(&c.LongLivedGracefulRestart), + AddPaths: NewAddPathsFromConfigStruct(&c.AddPaths), + } +} + +func NewPeerFromConfigStruct(pconf *config.Neighbor) *api.Peer { + families := make([]uint32, 0, len(pconf.AfiSafis)) + prefixLimits := make([]*api.PrefixLimit, 0, len(pconf.AfiSafis)) + afiSafis := make([]*api.AfiSafi, 0, len(pconf.AfiSafis)) + for _, f := range pconf.AfiSafis { + families = append(families, extractFamilyFromConfigAfiSafi(&f)) + if prefixLimit := NewPrefixLimitFromConfigStruct(&f); prefixLimit != nil { + prefixLimits = append(prefixLimits, prefixLimit) + } + if afiSafi := NewAfiSafiFromConfigStruct(&f); afiSafi != nil { + afiSafis = append(afiSafis, afiSafi) + } + } + + timer := pconf.Timers + s := pconf.State + localAddress := pconf.Transport.Config.LocalAddress + if pconf.Transport.State.LocalAddress != "" { + localAddress = pconf.Transport.State.LocalAddress + } + remoteCap, err := api.MarshalCapabilities(pconf.State.RemoteCapabilityList) + if err != nil { + return nil + } + localCap, err := api.MarshalCapabilities(pconf.State.LocalCapabilityList) + if err != nil { + return nil + } + var removePrivateAs api.PeerConf_RemovePrivateAs + switch pconf.Config.RemovePrivateAs { + case config.REMOVE_PRIVATE_AS_OPTION_ALL: + removePrivateAs = api.PeerConf_ALL + case config.REMOVE_PRIVATE_AS_OPTION_REPLACE: + removePrivateAs = api.PeerConf_REPLACE + } + return &api.Peer{ + Families: families, + ApplyPolicy: NewApplyPolicyFromConfigStruct(&pconf.ApplyPolicy), + Conf: &api.PeerConf{ + NeighborAddress: pconf.Config.NeighborAddress, + Id: s.RemoteRouterId, + PeerAs: pconf.Config.PeerAs, + LocalAs: pconf.Config.LocalAs, + PeerType: uint32(pconf.Config.PeerType.ToInt()), + AuthPassword: pconf.Config.AuthPassword, + RouteFlapDamping: pconf.Config.RouteFlapDamping, + Description: pconf.Config.Description, + PeerGroup: pconf.Config.PeerGroup, + RemoteCap: remoteCap, + LocalCap: localCap, + PrefixLimits: prefixLimits, + LocalAddress: localAddress, + NeighborInterface: pconf.Config.NeighborInterface, + Vrf: pconf.Config.Vrf, + AllowOwnAs: uint32(pconf.AsPathOptions.Config.AllowOwnAs), + RemovePrivateAs: removePrivateAs, + ReplacePeerAs: pconf.AsPathOptions.Config.ReplacePeerAs, + }, + Info: &api.PeerState{ + BgpState: string(s.SessionState), + AdminState: api.PeerState_AdminState(s.AdminState.ToInt()), + Messages: &api.Messages{ + Received: &api.Message{ + NOTIFICATION: s.Messages.Received.Notification, + UPDATE: s.Messages.Received.Update, + OPEN: s.Messages.Received.Open, + KEEPALIVE: s.Messages.Received.Keepalive, + REFRESH: s.Messages.Received.Refresh, + DISCARDED: s.Messages.Received.Discarded, + TOTAL: s.Messages.Received.Total, + }, + Sent: &api.Message{ + NOTIFICATION: s.Messages.Sent.Notification, + UPDATE: s.Messages.Sent.Update, + OPEN: s.Messages.Sent.Open, + KEEPALIVE: s.Messages.Sent.Keepalive, + REFRESH: s.Messages.Sent.Refresh, + DISCARDED: s.Messages.Sent.Discarded, + TOTAL: s.Messages.Sent.Total, + }, + }, + Received: s.AdjTable.Received, + Accepted: s.AdjTable.Accepted, + Advertised: s.AdjTable.Advertised, + PeerAs: s.PeerAs, + PeerType: uint32(s.PeerType.ToInt()), + NeighborAddress: pconf.State.NeighborAddress, + }, + Timers: &api.Timers{ + Config: &api.TimersConfig{ + ConnectRetry: uint64(timer.Config.ConnectRetry), + HoldTime: uint64(timer.Config.HoldTime), + KeepaliveInterval: uint64(timer.Config.KeepaliveInterval), + }, + State: &api.TimersState{ + KeepaliveInterval: uint64(timer.State.KeepaliveInterval), + NegotiatedHoldTime: uint64(timer.State.NegotiatedHoldTime), + Uptime: uint64(timer.State.Uptime), + Downtime: uint64(timer.State.Downtime), + }, + }, + RouteReflector: &api.RouteReflector{ + RouteReflectorClient: pconf.RouteReflector.Config.RouteReflectorClient, + RouteReflectorClusterId: string(pconf.RouteReflector.State.RouteReflectorClusterId), + }, + RouteServer: &api.RouteServer{ + RouteServerClient: pconf.RouteServer.Config.RouteServerClient, + }, + GracefulRestart: &api.GracefulRestart{ + Enabled: pconf.GracefulRestart.Config.Enabled, + RestartTime: uint32(pconf.GracefulRestart.Config.RestartTime), + HelperOnly: pconf.GracefulRestart.Config.HelperOnly, + DeferralTime: uint32(pconf.GracefulRestart.Config.DeferralTime), + NotificationEnabled: pconf.GracefulRestart.Config.NotificationEnabled, + LonglivedEnabled: pconf.GracefulRestart.Config.LongLivedEnabled, + LocalRestarting: pconf.GracefulRestart.State.LocalRestarting, + }, + Transport: &api.Transport{ + RemotePort: uint32(pconf.Transport.Config.RemotePort), + LocalAddress: pconf.Transport.Config.LocalAddress, + PassiveMode: pconf.Transport.Config.PassiveMode, + }, + AfiSafis: afiSafis, + AddPaths: NewAddPathsFromConfigStruct(&pconf.AddPaths), + } +} + +func NewPeerGroupFromConfigStruct(pconf *config.PeerGroup) *api.PeerGroup { + families := make([]uint32, 0, len(pconf.AfiSafis)) + afiSafis := make([]*api.AfiSafi, 0, len(pconf.AfiSafis)) + for _, f := range pconf.AfiSafis { + families = append(families, extractFamilyFromConfigAfiSafi(&f)) + if afiSafi := NewAfiSafiFromConfigStruct(&f); afiSafi != nil { + afiSafis = append(afiSafis, afiSafi) + } + } + + timer := pconf.Timers + s := pconf.State + return &api.PeerGroup{ + Families: families, + ApplyPolicy: NewApplyPolicyFromConfigStruct(&pconf.ApplyPolicy), + Conf: &api.PeerGroupConf{ + PeerAs: pconf.Config.PeerAs, + LocalAs: pconf.Config.LocalAs, + PeerType: uint32(pconf.Config.PeerType.ToInt()), + AuthPassword: pconf.Config.AuthPassword, + RouteFlapDamping: pconf.Config.RouteFlapDamping, + Description: pconf.Config.Description, + PeerGroupName: pconf.Config.PeerGroupName, + }, + Info: &api.PeerGroupState{ + PeerAs: s.PeerAs, + PeerType: uint32(s.PeerType.ToInt()), + TotalPaths: s.TotalPaths, + TotalPrefixes: s.TotalPrefixes, + }, + Timers: &api.Timers{ + Config: &api.TimersConfig{ + ConnectRetry: uint64(timer.Config.ConnectRetry), + HoldTime: uint64(timer.Config.HoldTime), + KeepaliveInterval: uint64(timer.Config.KeepaliveInterval), + }, + State: &api.TimersState{ + KeepaliveInterval: uint64(timer.State.KeepaliveInterval), + NegotiatedHoldTime: uint64(timer.State.NegotiatedHoldTime), + Uptime: uint64(timer.State.Uptime), + Downtime: uint64(timer.State.Downtime), + }, + }, + RouteReflector: &api.RouteReflector{ + RouteReflectorClient: pconf.RouteReflector.Config.RouteReflectorClient, + RouteReflectorClusterId: string(pconf.RouteReflector.Config.RouteReflectorClusterId), + }, + RouteServer: &api.RouteServer{ + RouteServerClient: pconf.RouteServer.Config.RouteServerClient, + }, + GracefulRestart: &api.GracefulRestart{ + Enabled: pconf.GracefulRestart.Config.Enabled, + RestartTime: uint32(pconf.GracefulRestart.Config.RestartTime), + HelperOnly: pconf.GracefulRestart.Config.HelperOnly, + DeferralTime: uint32(pconf.GracefulRestart.Config.DeferralTime), + NotificationEnabled: pconf.GracefulRestart.Config.NotificationEnabled, + LonglivedEnabled: pconf.GracefulRestart.Config.LongLivedEnabled, + LocalRestarting: pconf.GracefulRestart.State.LocalRestarting, + }, + Transport: &api.Transport{ + RemotePort: uint32(pconf.Transport.Config.RemotePort), + LocalAddress: pconf.Transport.Config.LocalAddress, + PassiveMode: pconf.Transport.Config.PassiveMode, + }, + AfiSafis: afiSafis, + AddPaths: NewAddPathsFromConfigStruct(&pconf.AddPaths), + } +} + +func (s *Server) GetNeighbor(ctx context.Context, arg *api.GetNeighborRequest) (*api.GetNeighborResponse, error) { + if arg == nil { + return nil, fmt.Errorf("invalid request") + } + neighbors := s.bgpServer.GetNeighbor(arg.Address, arg.EnableAdvertised) + peers := make([]*api.Peer, 0, len(neighbors)) + for _, e := range neighbors { + peers = append(peers, NewPeerFromConfigStruct(e)) + } + return &api.GetNeighborResponse{Peers: peers}, nil +} + +func NewValidationFromTableStruct(v *table.Validation) *api.RPKIValidation { + if v == nil { + return &api.RPKIValidation{} + } + return &api.RPKIValidation{ + Reason: api.RPKIValidation_Reason(v.Reason.ToInt()), + Matched: NewRoaListFromTableStructList(v.Matched), + UnmatchedAs: NewRoaListFromTableStructList(v.UnmatchedAs), + UnmatchedLength: NewRoaListFromTableStructList(v.UnmatchedLength), + } +} + +func toPathAPI(binNlri []byte, binPattrs [][]byte, anyNlri *any.Any, anyPattrs []*any.Any, path *table.Path, v *table.Validation) *api.Path { + nlri := path.GetNlri() + family := uint32(path.GetRouteFamily()) + vv := config.RPKI_VALIDATION_RESULT_TYPE_NONE.ToInt() + if v != nil { + vv = v.Status.ToInt() + } + p := &api.Path{ + Nlri: binNlri, + Pattrs: binPattrs, + Age: path.GetTimestamp().Unix(), + IsWithdraw: path.IsWithdraw, + Validation: int32(vv), + ValidationDetail: NewValidationFromTableStruct(v), + Family: family, + Stale: path.IsStale(), + IsFromExternal: path.IsFromExternal(), + NoImplicitWithdraw: path.NoImplicitWithdraw(), + IsNexthopInvalid: path.IsNexthopInvalid, + Identifier: nlri.PathIdentifier(), + LocalIdentifier: nlri.PathLocalIdentifier(), + AnyNlri: anyNlri, + AnyPattrs: anyPattrs, + } + if s := path.GetSource(); s != nil { + p.SourceAsn = s.AS + p.SourceId = s.ID.String() + p.NeighborIp = s.Address.String() + } + return p +} + +func ToPathApi(path *table.Path, v *table.Validation) *api.Path { + nlri := path.GetNlri() + anyNlri := api.MarshalNLRI(nlri) + if path.IsWithdraw { + return toPathAPI(nil, nil, anyNlri, nil, path, v) + } + anyPattrs := api.MarshalPathAttributes(path.GetPathAttrs()) + return toPathAPI(nil, nil, anyNlri, anyPattrs, path, v) +} + +func getValidation(v []*table.Validation, i int) *table.Validation { + if v == nil { + return nil + } else { + return v[i] + } +} + +func (s *Server) GetRib(ctx context.Context, arg *api.GetRibRequest) (*api.GetRibResponse, error) { + if arg == nil || arg.Table == nil { + return nil, fmt.Errorf("invalid request") + } + f := func() []*table.LookupPrefix { + l := make([]*table.LookupPrefix, 0, len(arg.Table.Destinations)) + for _, p := range arg.Table.Destinations { + l = append(l, &table.LookupPrefix{ + Prefix: p.Prefix, + LookupOption: func() table.LookupOption { + if p.LongerPrefixes { + return table.LOOKUP_LONGER + } else if p.ShorterPrefixes { + return table.LOOKUP_SHORTER + } + return table.LOOKUP_EXACT + }(), + }) + } + return l + } + + var in bool + var err error + var tbl *table.Table + var v []*table.Validation + + family := bgp.RouteFamily(arg.Table.Family) + switch arg.Table.Type { + case api.Resource_LOCAL, api.Resource_GLOBAL: + tbl, v, err = s.bgpServer.GetRib(arg.Table.Name, family, f()) + case api.Resource_ADJ_IN: + in = true + fallthrough + case api.Resource_ADJ_OUT: + tbl, v, err = s.bgpServer.GetAdjRib(arg.Table.Name, family, in, f()) + case api.Resource_VRF: + tbl, err = s.bgpServer.GetVrfRib(arg.Table.Name, family, []*table.LookupPrefix{}) + default: + return nil, fmt.Errorf("unsupported resource type: %v", arg.Table.Type) + } + + if err != nil { + return nil, err + } + + tblDsts := tbl.GetDestinations() + dsts := make([]*api.Destination, 0, len(tblDsts)) + idx := 0 + for _, dst := range tblDsts { + dsts = append(dsts, &api.Destination{ + Prefix: dst.GetNlri().String(), + Paths: func(paths []*table.Path) []*api.Path { + l := make([]*api.Path, 0, len(paths)) + for i, p := range paths { + pp := ToPathApi(p, getValidation(v, idx)) + idx++ + switch arg.Table.Type { + case api.Resource_LOCAL, api.Resource_GLOBAL: + if i == 0 && !table.SelectionOptions.DisableBestPathSelection { + pp.Best = true + } + } + l = append(l, pp) + } + return l + }(dst.GetAllKnownPathList()), + }) + } + + return &api.GetRibResponse{Table: &api.Table{ + Type: arg.Table.Type, + Family: uint32(tbl.GetRoutefamily()), + Destinations: dsts}, + }, err +} + +func (s *Server) GetPath(arg *api.GetPathRequest, stream api.GobgpApi_GetPathServer) error { + f := func() []*table.LookupPrefix { + l := make([]*table.LookupPrefix, 0, len(arg.Prefixes)) + for _, p := range arg.Prefixes { + l = append(l, &table.LookupPrefix{ + Prefix: p.Prefix, + LookupOption: table.LookupOption(p.LookupOption), + }) + } + return l + } + + in := false + family := bgp.RouteFamily(arg.Family) + var tbl *table.Table + var err error + var v []*table.Validation + switch arg.Type { + case api.Resource_LOCAL, api.Resource_GLOBAL: + tbl, v, err = s.bgpServer.GetRib(arg.Name, family, f()) + case api.Resource_ADJ_IN: + in = true + fallthrough + case api.Resource_ADJ_OUT: + tbl, v, err = s.bgpServer.GetAdjRib(arg.Name, family, in, f()) + case api.Resource_VRF: + tbl, err = s.bgpServer.GetVrfRib(arg.Name, family, []*table.LookupPrefix{}) + default: + return fmt.Errorf("unsupported resource type: %v", arg.Type) + } + if err != nil { + return err + } + + idx := 0 + return func() error { + for _, dst := range tbl.GetDestinations() { + for i, path := range dst.GetAllKnownPathList() { + p := ToPathApi(path, getValidation(v, idx)) + idx++ + if i == 0 && !table.SelectionOptions.DisableBestPathSelection { + switch arg.Type { + case api.Resource_LOCAL, api.Resource_GLOBAL: + p.Best = true + } + } + if err := stream.Send(p); err != nil { + return err + } + } + } + return nil + }() +} + +func (s *Server) MonitorRib(arg *api.MonitorRibRequest, stream api.GobgpApi_MonitorRibServer) error { + if arg == nil || arg.Table == nil { + return fmt.Errorf("invalid request") + } + t := arg.Table + w, err := func() (*Watcher, error) { + switch t.Type { + case api.Resource_GLOBAL: + return s.bgpServer.Watch(WatchBestPath(arg.Current)), nil + case api.Resource_ADJ_IN: + if t.PostPolicy { + return s.bgpServer.Watch(WatchPostUpdate(arg.Current)), nil + } + return s.bgpServer.Watch(WatchUpdate(arg.Current)), nil + default: + return nil, fmt.Errorf("unsupported resource type: %v", t.Type) + } + }() + if err != nil { + return nil + } + + return func() error { + defer func() { w.Stop() }() + + sendPath := func(pathList []*table.Path) error { + dsts := make(map[string]*api.Destination) + for _, path := range pathList { + if path == nil || (t.Family != 0 && bgp.RouteFamily(t.Family) != path.GetRouteFamily()) { + continue + } + if dst, y := dsts[path.GetNlri().String()]; y { + dst.Paths = append(dst.Paths, ToPathApi(path, nil)) + } else { + dsts[path.GetNlri().String()] = &api.Destination{ + Prefix: path.GetNlri().String(), + Paths: []*api.Path{ToPathApi(path, nil)}, + } + } + } + for _, dst := range dsts { + if err := stream.Send(dst); err != nil { + return err + } + } + return nil + } + + for ev := range w.Event() { + switch msg := ev.(type) { + case *WatchEventBestPath: + if err := sendPath(func() []*table.Path { + if len(msg.MultiPathList) > 0 { + l := make([]*table.Path, 0) + for _, p := range msg.MultiPathList { + l = append(l, p...) + } + return l + } else { + return msg.PathList + } + }()); err != nil { + return err + } + case *WatchEventUpdate: + if err := sendPath(msg.PathList); err != nil { + return err + } + } + } + return nil + }() +} + +func (s *Server) MonitorPeerState(arg *api.Arguments, stream api.GobgpApi_MonitorPeerStateServer) error { + if arg == nil { + return fmt.Errorf("invalid request") + } + return func() error { + w := s.bgpServer.Watch(WatchPeerState(arg.Current)) + defer func() { w.Stop() }() + + for ev := range w.Event() { + switch msg := ev.(type) { + case *WatchEventPeerState: + if len(arg.Name) > 0 && arg.Name != msg.PeerAddress.String() && arg.Name != msg.PeerInterface { + continue + } + if err := stream.Send(&api.Peer{ + Conf: &api.PeerConf{ + PeerAs: msg.PeerAS, + LocalAs: msg.LocalAS, + NeighborAddress: msg.PeerAddress.String(), + Id: msg.PeerID.String(), + NeighborInterface: msg.PeerInterface, + }, + Info: &api.PeerState{ + PeerAs: msg.PeerAS, + LocalAs: msg.LocalAS, + NeighborAddress: msg.PeerAddress.String(), + BgpState: msg.State.String(), + AdminState: api.PeerState_AdminState(msg.AdminState), + }, + Transport: &api.Transport{ + LocalAddress: msg.LocalAddress.String(), + LocalPort: uint32(msg.LocalPort), + RemotePort: uint32(msg.PeerPort), + }, + }); err != nil { + return err + } + } + } + return nil + }() +} + +func (s *Server) ResetNeighbor(ctx context.Context, arg *api.ResetNeighborRequest) (*api.ResetNeighborResponse, error) { + return &api.ResetNeighborResponse{}, s.bgpServer.ResetNeighbor(arg.Address, arg.Communication) +} + +func (s *Server) SoftResetNeighbor(ctx context.Context, arg *api.SoftResetNeighborRequest) (*api.SoftResetNeighborResponse, error) { + var err error + addr := arg.Address + if addr == "all" { + addr = "" + } + family := bgp.RouteFamily(0) + switch arg.Direction { + case api.SoftResetNeighborRequest_IN: + err = s.bgpServer.SoftResetIn(addr, family) + case api.SoftResetNeighborRequest_OUT: + err = s.bgpServer.SoftResetOut(addr, family) + default: + err = s.bgpServer.SoftReset(addr, family) + } + return &api.SoftResetNeighborResponse{}, err +} + +func (s *Server) ShutdownNeighbor(ctx context.Context, arg *api.ShutdownNeighborRequest) (*api.ShutdownNeighborResponse, error) { + return &api.ShutdownNeighborResponse{}, s.bgpServer.ShutdownNeighbor(arg.Address, arg.Communication) +} + +func (s *Server) EnableNeighbor(ctx context.Context, arg *api.EnableNeighborRequest) (*api.EnableNeighborResponse, error) { + return &api.EnableNeighborResponse{}, s.bgpServer.EnableNeighbor(arg.Address) +} + +func (s *Server) DisableNeighbor(ctx context.Context, arg *api.DisableNeighborRequest) (*api.DisableNeighborResponse, error) { + return &api.DisableNeighborResponse{}, s.bgpServer.DisableNeighbor(arg.Address, arg.Communication) +} + +func (s *Server) UpdatePolicy(ctx context.Context, arg *api.UpdatePolicyRequest) (*api.UpdatePolicyResponse, error) { + rp, err := NewRoutingPolicyFromApiStruct(arg) + if err != nil { + return nil, err + } + return &api.UpdatePolicyResponse{}, s.bgpServer.UpdatePolicy(*rp) +} + +func NewAPIRoutingPolicyFromConfigStruct(c *config.RoutingPolicy) (*api.RoutingPolicy, error) { + definedSets, err := NewAPIDefinedSetsFromConfigStruct(&c.DefinedSets) + if err != nil { + return nil, err + } + policies := make([]*api.Policy, 0, len(c.PolicyDefinitions)) + for _, policy := range c.PolicyDefinitions { + policies = append(policies, toPolicyApi(&policy)) + } + + return &api.RoutingPolicy{ + DefinedSet: definedSets, + PolicyDefinition: policies, + }, nil +} + +func NewRoutingPolicyFromApiStruct(arg *api.UpdatePolicyRequest) (*config.RoutingPolicy, error) { + policyDefinitions := make([]config.PolicyDefinition, 0, len(arg.Policies)) + for _, p := range arg.Policies { + pd, err := NewConfigPolicyFromApiStruct(p) + if err != nil { + return nil, err + } + policyDefinitions = append(policyDefinitions, *pd) + } + + definedSets, err := NewConfigDefinedSetsFromApiStruct(arg.Sets) + if err != nil { + return nil, err + } + + return &config.RoutingPolicy{ + DefinedSets: *definedSets, + PolicyDefinitions: policyDefinitions, + }, nil +} + +func (s *Server) api2PathList(resource api.Resource, ApiPathList []*api.Path) ([]*table.Path, error) { + var pi *table.PeerInfo + + pathList := make([]*table.Path, 0, len(ApiPathList)) + for _, path := range ApiPathList { + var nlri bgp.AddrPrefixInterface + var nexthop string + + if path.SourceAsn != 0 { + pi = &table.PeerInfo{ + AS: path.SourceAsn, + LocalID: net.ParseIP(path.SourceId), + } + } + + nlri, err := path.GetNativeNlri() + if err != nil { + return nil, err + } + nlri.SetPathIdentifier(path.Identifier) + + attrList, err := path.GetNativePathAttributes() + if err != nil { + return nil, err + } + + pattrs := make([]bgp.PathAttributeInterface, 0) + seen := make(map[bgp.BGPAttrType]struct{}) + for _, attr := range attrList { + attrType := attr.GetType() + if _, ok := seen[attrType]; !ok { + seen[attrType] = struct{}{} + } else { + return nil, fmt.Errorf("duplicated path attribute type: %d", attrType) + } + + switch a := attr.(type) { + case *bgp.PathAttributeNextHop: + nexthop = a.Value.String() + case *bgp.PathAttributeMpReachNLRI: + nlri = a.Value[0] + nexthop = a.Nexthop.String() + default: + pattrs = append(pattrs, attr) + } + } + + if nlri == nil { + return nil, fmt.Errorf("nlri not found") + } else if !path.IsWithdraw && nexthop == "" { + return nil, fmt.Errorf("nexthop not found") + } + + if resource != api.Resource_VRF && bgp.RouteFamily(path.Family) == bgp.RF_IPv4_UC && net.ParseIP(nexthop).To4() != nil { + pattrs = append(pattrs, bgp.NewPathAttributeNextHop(nexthop)) + } else { + pattrs = append(pattrs, bgp.NewPathAttributeMpReachNLRI(nexthop, []bgp.AddrPrefixInterface{nlri})) + } + + newPath := table.NewPath(pi, nlri, path.IsWithdraw, pattrs, time.Now(), path.NoImplicitWithdraw) + if !path.IsWithdraw { + total := bytes.NewBuffer(make([]byte, 0)) + for _, a := range newPath.GetPathAttrs() { + if a.GetType() == bgp.BGP_ATTR_TYPE_MP_REACH_NLRI { + continue + } + b, _ := a.Serialize() + total.Write(b) + } + newPath.SetHash(farm.Hash32(total.Bytes())) + } + newPath.SetIsFromExternal(path.IsFromExternal) + pathList = append(pathList, newPath) + } + return pathList, nil +} + +func (s *Server) AddPath(ctx context.Context, arg *api.AddPathRequest) (*api.AddPathResponse, error) { + pathList, err := s.api2PathList(arg.Resource, []*api.Path{arg.Path}) + var uuid []byte + if err == nil { + uuid, err = s.bgpServer.AddPath(arg.VrfId, pathList) + } + return &api.AddPathResponse{Uuid: uuid}, err +} + +func (s *Server) DeletePath(ctx context.Context, arg *api.DeletePathRequest) (*api.DeletePathResponse, error) { + pathList, err := func() ([]*table.Path, error) { + if arg.Path != nil { + arg.Path.IsWithdraw = true + return s.api2PathList(arg.Resource, []*api.Path{arg.Path}) + } + return []*table.Path{}, nil + }() + if err != nil { + return nil, err + } + return &api.DeletePathResponse{}, s.bgpServer.DeletePath(arg.Uuid, bgp.RouteFamily(arg.Family), arg.VrfId, pathList) +} + +func (s *Server) EnableMrt(ctx context.Context, arg *api.EnableMrtRequest) (*api.EnableMrtResponse, error) { + return &api.EnableMrtResponse{}, s.bgpServer.EnableMrt(&config.MrtConfig{ + RotationInterval: arg.Interval, + DumpType: config.IntToMrtTypeMap[int(arg.DumpType)], + FileName: arg.Filename, + }) +} + +func (s *Server) DisableMrt(ctx context.Context, arg *api.DisableMrtRequest) (*api.DisableMrtResponse, error) { + return &api.DisableMrtResponse{}, s.bgpServer.DisableMrt(&config.MrtConfig{}) +} + +func (s *Server) InjectMrt(stream api.GobgpApi_InjectMrtServer) error { + for { + arg, err := stream.Recv() + + if err == io.EOF { + break + } else if err != nil { + return err + } + + if arg.Resource != api.Resource_GLOBAL && arg.Resource != api.Resource_VRF { + return fmt.Errorf("unsupported resource: %s", arg.Resource) + } + + if pathList, err := s.api2PathList(arg.Resource, arg.Paths); err != nil { + return err + } else { + if _, err = s.bgpServer.AddPath("", pathList); err != nil { + return err + } + } + } + return stream.SendAndClose(&api.InjectMrtResponse{}) +} + +func (s *Server) AddBmp(ctx context.Context, arg *api.AddBmpRequest) (*api.AddBmpResponse, error) { + t, ok := config.IntToBmpRouteMonitoringPolicyTypeMap[int(arg.Type)] + if !ok { + return nil, fmt.Errorf("invalid bmp route monitoring policy: %d", arg.Type) + } + return &api.AddBmpResponse{}, s.bgpServer.AddBmp(&config.BmpServerConfig{ + Address: arg.Address, + Port: arg.Port, + RouteMonitoringPolicy: t, + }) +} + +func (s *Server) DeleteBmp(ctx context.Context, arg *api.DeleteBmpRequest) (*api.DeleteBmpResponse, error) { + return &api.DeleteBmpResponse{}, s.bgpServer.DeleteBmp(&config.BmpServerConfig{ + Address: arg.Address, + Port: arg.Port, + }) +} + +func (s *Server) ValidateRib(ctx context.Context, arg *api.ValidateRibRequest) (*api.ValidateRibResponse, error) { + return &api.ValidateRibResponse{}, nil +} + +func (s *Server) AddRpki(ctx context.Context, arg *api.AddRpkiRequest) (*api.AddRpkiResponse, error) { + return &api.AddRpkiResponse{}, s.bgpServer.AddRpki(&config.RpkiServerConfig{ + Address: arg.Address, + Port: arg.Port, + RecordLifetime: arg.Lifetime, + }) +} + +func (s *Server) DeleteRpki(ctx context.Context, arg *api.DeleteRpkiRequest) (*api.DeleteRpkiResponse, error) { + return &api.DeleteRpkiResponse{}, s.bgpServer.DeleteRpki(&config.RpkiServerConfig{ + Address: arg.Address, + Port: arg.Port, + }) +} + +func (s *Server) EnableRpki(ctx context.Context, arg *api.EnableRpkiRequest) (*api.EnableRpkiResponse, error) { + return &api.EnableRpkiResponse{}, s.bgpServer.EnableRpki(&config.RpkiServerConfig{ + Address: arg.Address, + }) +} + +func (s *Server) DisableRpki(ctx context.Context, arg *api.DisableRpkiRequest) (*api.DisableRpkiResponse, error) { + return &api.DisableRpkiResponse{}, s.bgpServer.DisableRpki(&config.RpkiServerConfig{ + Address: arg.Address, + }) +} + +func (s *Server) ResetRpki(ctx context.Context, arg *api.ResetRpkiRequest) (*api.ResetRpkiResponse, error) { + return &api.ResetRpkiResponse{}, s.bgpServer.ResetRpki(&config.RpkiServerConfig{ + Address: arg.Address, + }) +} + +func (s *Server) SoftResetRpki(ctx context.Context, arg *api.SoftResetRpkiRequest) (*api.SoftResetRpkiResponse, error) { + return &api.SoftResetRpkiResponse{}, s.bgpServer.SoftResetRpki(&config.RpkiServerConfig{ + Address: arg.Address, + }) +} + +func (s *Server) GetRpki(ctx context.Context, arg *api.GetRpkiRequest) (*api.GetRpkiResponse, error) { + servers, err := s.bgpServer.GetRpki() + if err != nil { + return nil, err + } + l := make([]*api.Rpki, 0, len(servers)) + for _, s := range servers { + received := &s.State.RpkiMessages.RpkiReceived + sent := &s.State.RpkiMessages.RpkiSent + rpki := &api.Rpki{ + Conf: &api.RPKIConf{ + Address: s.Config.Address, + RemotePort: strconv.Itoa(int(s.Config.Port)), + }, + State: &api.RPKIState{ + Uptime: s.State.Uptime, + Downtime: s.State.Downtime, + Up: s.State.Up, + RecordIpv4: s.State.RecordsV4, + RecordIpv6: s.State.RecordsV6, + PrefixIpv4: s.State.PrefixesV4, + PrefixIpv6: s.State.PrefixesV6, + Serial: s.State.SerialNumber, + ReceivedIpv4: received.Ipv4Prefix, + ReceivedIpv6: received.Ipv6Prefix, + SerialNotify: received.SerialNotify, + CacheReset: received.CacheReset, + CacheResponse: received.CacheResponse, + EndOfData: received.EndOfData, + Error: received.Error, + SerialQuery: sent.SerialQuery, + ResetQuery: sent.ResetQuery, + }, + } + l = append(l, rpki) + } + return &api.GetRpkiResponse{Servers: l}, nil +} + +func (s *Server) GetRoa(ctx context.Context, arg *api.GetRoaRequest) (*api.GetRoaResponse, error) { + roas, err := s.bgpServer.GetRoa(bgp.RouteFamily(arg.Family)) + if err != nil { + return nil, err + } + return &api.GetRoaResponse{Roas: NewRoaListFromTableStructList(roas)}, nil +} + +func (s *Server) EnableZebra(ctx context.Context, arg *api.EnableZebraRequest) (*api.EnableZebraResponse, error) { + for _, p := range arg.RouteTypes { + if _, err := zebra.RouteTypeFromString(p); err != nil { + return &api.EnableZebraResponse{}, err + } + } + return &api.EnableZebraResponse{}, s.bgpServer.StartZebraClient(&config.ZebraConfig{ + Url: arg.Url, + RedistributeRouteTypeList: arg.RouteTypes, + Version: uint8(arg.Version), + NexthopTriggerEnable: arg.NexthopTriggerEnable, + NexthopTriggerDelay: uint8(arg.NexthopTriggerDelay), + }) +} + +func (s *Server) GetVrf(ctx context.Context, arg *api.GetVrfRequest) (*api.GetVrfResponse, error) { + toApi := func(v *table.Vrf) *api.Vrf { + return &api.Vrf{ + Name: v.Name, + Rd: api.MarshalRD(v.Rd), + Id: v.Id, + ImportRt: api.MarshalRTs(v.ImportRt), + ExportRt: api.MarshalRTs(v.ExportRt), + } + } + vrfs := s.bgpServer.GetVrf() + l := make([]*api.Vrf, 0, len(vrfs)) + for _, v := range vrfs { + l = append(l, toApi(v)) + } + return &api.GetVrfResponse{Vrfs: l}, nil +} + +func (s *Server) AddVrf(ctx context.Context, arg *api.AddVrfRequest) (r *api.AddVrfResponse, err error) { + if arg == nil || arg.Vrf == nil { + return nil, fmt.Errorf("invalid request") + } + rd, err := api.UnmarshalRD(arg.Vrf.Rd) + if err != nil { + return nil, err + } + im, err := api.UnmarshalRTs(arg.Vrf.ImportRt) + if err != nil { + return nil, err + } + ex, err := api.UnmarshalRTs(arg.Vrf.ExportRt) + if err != nil { + return nil, err + } + return &api.AddVrfResponse{}, s.bgpServer.AddVrf(arg.Vrf.Name, arg.Vrf.Id, rd, im, ex) +} + +func (s *Server) DeleteVrf(ctx context.Context, arg *api.DeleteVrfRequest) (*api.DeleteVrfResponse, error) { + if arg == nil || arg.Vrf == nil { + return nil, fmt.Errorf("invalid request") + } + return &api.DeleteVrfResponse{}, s.bgpServer.DeleteVrf(arg.Vrf.Name) +} + +func ReadMpGracefulRestartFromAPIStruct(c *config.MpGracefulRestart, a *api.MpGracefulRestart) { + if c == nil || a == nil { + return + } + if a.Config != nil { + c.Config.Enabled = a.Config.Enabled + } +} + +func ReadAfiSafiConfigFromAPIStruct(c *config.AfiSafiConfig, a *api.AfiSafiConfig) { + if c == nil || a == nil { + return + } + c.AfiSafiName = config.AfiSafiType(bgp.RouteFamily(a.Family).String()) + c.Enabled = a.Enabled +} + +func ReadAfiSafiStateFromAPIStruct(s *config.AfiSafiState, a *api.AfiSafiConfig) { + if s == nil || a == nil { + return + } + // Store only address family value for the convenience + s.Family = bgp.RouteFamily(a.Family) +} + +func ReadPrefixLimitFromAPIStruct(c *config.PrefixLimit, a *api.PrefixLimit) { + if c == nil || a == nil { + return + } + c.Config.MaxPrefixes = a.MaxPrefixes + c.Config.ShutdownThresholdPct = config.Percentage(a.ShutdownThresholdPct) +} + +func ReadApplyPolicyFromAPIStruct(c *config.ApplyPolicy, a *api.ApplyPolicy) { + if c == nil || a == nil { + return + } + if a.ImportPolicy != nil { + c.Config.DefaultImportPolicy = config.IntToDefaultPolicyTypeMap[int(a.ImportPolicy.Default)] + for _, p := range a.ImportPolicy.Policies { + c.Config.ImportPolicyList = append(c.Config.ImportPolicyList, p.Name) + } + } + if a.ExportPolicy != nil { + c.Config.DefaultExportPolicy = config.IntToDefaultPolicyTypeMap[int(a.ExportPolicy.Default)] + for _, p := range a.ExportPolicy.Policies { + c.Config.ExportPolicyList = append(c.Config.ExportPolicyList, p.Name) + } + } + if a.InPolicy != nil { + c.Config.DefaultInPolicy = config.IntToDefaultPolicyTypeMap[int(a.InPolicy.Default)] + for _, p := range a.InPolicy.Policies { + c.Config.InPolicyList = append(c.Config.InPolicyList, p.Name) + } + } +} + +func ReadRouteSelectionOptionsFromAPIStruct(c *config.RouteSelectionOptions, a *api.RouteSelectionOptions) { + if c == nil || a == nil { + return + } + if a.Config != nil { + c.Config.AlwaysCompareMed = a.Config.AlwaysCompareMed + c.Config.IgnoreAsPathLength = a.Config.IgnoreAsPathLength + c.Config.ExternalCompareRouterId = a.Config.ExternalCompareRouterId + c.Config.AdvertiseInactiveRoutes = a.Config.AdvertiseInactiveRoutes + c.Config.EnableAigp = a.Config.EnableAigp + c.Config.IgnoreNextHopIgpMetric = a.Config.IgnoreNextHopIgpMetric + } +} + +func ReadUseMultiplePathsFromAPIStruct(c *config.UseMultiplePaths, a *api.UseMultiplePaths) { + if c == nil || a == nil { + return + } + if a.Config != nil { + c.Config.Enabled = a.Config.Enabled + } + if a.Ebgp != nil && a.Ebgp.Config != nil { + c.Ebgp = config.Ebgp{ + Config: config.EbgpConfig{ + AllowMultipleAs: a.Ebgp.Config.AllowMultipleAs, + MaximumPaths: a.Ebgp.Config.MaximumPaths, + }, + } + } + if a.Ibgp != nil && a.Ibgp.Config != nil { + c.Ibgp = config.Ibgp{ + Config: config.IbgpConfig{ + MaximumPaths: a.Ibgp.Config.MaximumPaths, + }, + } + } +} + +func ReadRouteTargetMembershipFromAPIStruct(c *config.RouteTargetMembership, a *api.RouteTargetMembership) { + if c == nil || a == nil { + return + } + if a.Config != nil { + c.Config.DeferralTime = uint16(a.Config.DeferralTime) + } +} + +func ReadLongLivedGracefulRestartFromAPIStruct(c *config.LongLivedGracefulRestart, a *api.LongLivedGracefulRestart) { + if c == nil || a == nil { + return + } + if a.Config != nil { + c.Config.Enabled = a.Config.Enabled + c.Config.RestartTime = a.Config.RestartTime + } +} + +func ReadAddPathsFromAPIStruct(c *config.AddPaths, a *api.AddPaths) { + if c == nil || a == nil { + return + } + if a.Config != nil { + c.Config.Receive = a.Config.Receive + c.Config.SendMax = uint8(a.Config.SendMax) + } +} + +func NewNeighborFromAPIStruct(a *api.Peer) (*config.Neighbor, error) { + pconf := &config.Neighbor{} + if a.Conf != nil { + pconf.Config.PeerAs = a.Conf.PeerAs + pconf.Config.LocalAs = a.Conf.LocalAs + pconf.Config.AuthPassword = a.Conf.AuthPassword + pconf.Config.RouteFlapDamping = a.Conf.RouteFlapDamping + pconf.Config.Description = a.Conf.Description + pconf.Config.PeerGroup = a.Conf.PeerGroup + pconf.Config.PeerType = config.IntToPeerTypeMap[int(a.Conf.PeerType)] + pconf.Config.NeighborAddress = a.Conf.NeighborAddress + pconf.Config.NeighborInterface = a.Conf.NeighborInterface + pconf.Config.Vrf = a.Conf.Vrf + pconf.AsPathOptions.Config.AllowOwnAs = uint8(a.Conf.AllowOwnAs) + pconf.AsPathOptions.Config.ReplacePeerAs = a.Conf.ReplacePeerAs + + switch a.Conf.RemovePrivateAs { + case api.PeerConf_ALL: + pconf.Config.RemovePrivateAs = config.REMOVE_PRIVATE_AS_OPTION_ALL + case api.PeerConf_REPLACE: + pconf.Config.RemovePrivateAs = config.REMOVE_PRIVATE_AS_OPTION_REPLACE + } + + localCaps, err := api.UnmarshalCapabilities(a.Conf.LocalCap) + if err != nil { + return nil, err + } + remoteCaps, err := api.UnmarshalCapabilities(a.Conf.RemoteCap) + if err != nil { + return nil, err + } + pconf.State.LocalCapabilityList = localCaps + pconf.State.RemoteCapabilityList = remoteCaps + + pconf.State.RemoteRouterId = a.Conf.Id + + for _, af := range a.AfiSafis { + afiSafi := config.AfiSafi{} + ReadMpGracefulRestartFromAPIStruct(&afiSafi.MpGracefulRestart, af.MpGracefulRestart) + ReadAfiSafiConfigFromAPIStruct(&afiSafi.Config, af.Config) + ReadAfiSafiStateFromAPIStruct(&afiSafi.State, af.Config) + ReadApplyPolicyFromAPIStruct(&afiSafi.ApplyPolicy, af.ApplyPolicy) + ReadRouteSelectionOptionsFromAPIStruct(&afiSafi.RouteSelectionOptions, af.RouteSelectionOptions) + ReadUseMultiplePathsFromAPIStruct(&afiSafi.UseMultiplePaths, af.UseMultiplePaths) + ReadPrefixLimitFromAPIStruct(&afiSafi.PrefixLimit, af.PrefixLimits) + ReadRouteTargetMembershipFromAPIStruct(&afiSafi.RouteTargetMembership, af.RouteTargetMembership) + ReadLongLivedGracefulRestartFromAPIStruct(&afiSafi.LongLivedGracefulRestart, af.LongLivedGracefulRestart) + ReadAddPathsFromAPIStruct(&afiSafi.AddPaths, af.AddPaths) + pconf.AfiSafis = append(pconf.AfiSafis, afiSafi) + } + // For the backward compatibility, we override AfiSafi configurations + // with Peer.Families. + for _, family := range a.Families { + found := false + for _, afiSafi := range pconf.AfiSafis { + if uint32(afiSafi.State.Family) == family { + // If Peer.Families contains the same address family, + // we enable this address family. + afiSafi.Config.Enabled = true + found = true + } + } + if !found { + // If Peer.Families does not contain the same address family, + // we append AfiSafi structure with the default value. + pconf.AfiSafis = append(pconf.AfiSafis, config.AfiSafi{ + Config: config.AfiSafiConfig{ + AfiSafiName: config.AfiSafiType(bgp.RouteFamily(family).String()), + Enabled: true, + }, + }) + } + } + // For the backward compatibility, we override AfiSafi configurations + // with Peer.Conf.PrefixLimits. + for _, prefixLimit := range a.Conf.PrefixLimits { + for _, afiSafi := range pconf.AfiSafis { + // If Peer.Conf.PrefixLimits contains the configuration for + // the same address family, we override AfiSafi.PrefixLimit. + if uint32(afiSafi.State.Family) == prefixLimit.Family { + ReadPrefixLimitFromAPIStruct(&afiSafi.PrefixLimit, prefixLimit) + } + } + } + } + + if a.Timers != nil { + if a.Timers.Config != nil { + pconf.Timers.Config.ConnectRetry = float64(a.Timers.Config.ConnectRetry) + pconf.Timers.Config.HoldTime = float64(a.Timers.Config.HoldTime) + pconf.Timers.Config.KeepaliveInterval = float64(a.Timers.Config.KeepaliveInterval) + pconf.Timers.Config.MinimumAdvertisementInterval = float64(a.Timers.Config.MinimumAdvertisementInterval) + } + if a.Timers.State != nil { + pconf.Timers.State.KeepaliveInterval = float64(a.Timers.State.KeepaliveInterval) + pconf.Timers.State.NegotiatedHoldTime = float64(a.Timers.State.NegotiatedHoldTime) + pconf.Timers.State.Uptime = int64(a.Timers.State.Uptime) + pconf.Timers.State.Downtime = int64(a.Timers.State.Downtime) + } + } + if a.RouteReflector != nil { + pconf.RouteReflector.Config.RouteReflectorClusterId = config.RrClusterIdType(a.RouteReflector.RouteReflectorClusterId) + pconf.RouteReflector.Config.RouteReflectorClient = a.RouteReflector.RouteReflectorClient + } + if a.RouteServer != nil { + pconf.RouteServer.Config.RouteServerClient = a.RouteServer.RouteServerClient + } + if a.GracefulRestart != nil { + pconf.GracefulRestart.Config.Enabled = a.GracefulRestart.Enabled + pconf.GracefulRestart.Config.RestartTime = uint16(a.GracefulRestart.RestartTime) + pconf.GracefulRestart.Config.HelperOnly = a.GracefulRestart.HelperOnly + pconf.GracefulRestart.Config.DeferralTime = uint16(a.GracefulRestart.DeferralTime) + pconf.GracefulRestart.Config.NotificationEnabled = a.GracefulRestart.NotificationEnabled + pconf.GracefulRestart.Config.LongLivedEnabled = a.GracefulRestart.LonglivedEnabled + pconf.GracefulRestart.State.LocalRestarting = a.GracefulRestart.LocalRestarting + } + ReadApplyPolicyFromAPIStruct(&pconf.ApplyPolicy, a.ApplyPolicy) + if a.Transport != nil { + pconf.Transport.Config.LocalAddress = a.Transport.LocalAddress + pconf.Transport.Config.PassiveMode = a.Transport.PassiveMode + pconf.Transport.Config.RemotePort = uint16(a.Transport.RemotePort) + } + if a.EbgpMultihop != nil { + pconf.EbgpMultihop.Config.Enabled = a.EbgpMultihop.Enabled + pconf.EbgpMultihop.Config.MultihopTtl = uint8(a.EbgpMultihop.MultihopTtl) + } + if a.Info != nil { + pconf.State.SessionState = config.SessionState(a.Info.BgpState) + pconf.State.AdminState = config.IntToAdminStateMap[int(a.Info.AdminState)] + + pconf.State.AdjTable.Received = a.Info.Received + pconf.State.AdjTable.Accepted = a.Info.Accepted + pconf.State.AdjTable.Advertised = a.Info.Advertised + pconf.State.PeerAs = a.Info.PeerAs + pconf.State.PeerType = config.IntToPeerTypeMap[int(a.Info.PeerType)] + pconf.State.NeighborAddress = a.Info.NeighborAddress + + if a.Info.Messages != nil { + if a.Info.Messages.Sent != nil { + pconf.State.Messages.Sent.Update = a.Info.Messages.Sent.UPDATE + pconf.State.Messages.Sent.Notification = a.Info.Messages.Sent.NOTIFICATION + pconf.State.Messages.Sent.Open = a.Info.Messages.Sent.OPEN + pconf.State.Messages.Sent.Refresh = a.Info.Messages.Sent.REFRESH + pconf.State.Messages.Sent.Keepalive = a.Info.Messages.Sent.KEEPALIVE + pconf.State.Messages.Sent.Discarded = a.Info.Messages.Sent.DISCARDED + pconf.State.Messages.Sent.Total = a.Info.Messages.Sent.TOTAL + } + if a.Info.Messages.Received != nil { + pconf.State.Messages.Received.Update = a.Info.Messages.Received.UPDATE + pconf.State.Messages.Received.Open = a.Info.Messages.Received.OPEN + pconf.State.Messages.Received.Refresh = a.Info.Messages.Received.REFRESH + pconf.State.Messages.Received.Keepalive = a.Info.Messages.Received.KEEPALIVE + pconf.State.Messages.Received.Discarded = a.Info.Messages.Received.DISCARDED + pconf.State.Messages.Received.Total = a.Info.Messages.Received.TOTAL + } + } + } + ReadAddPathsFromAPIStruct(&pconf.AddPaths, a.AddPaths) + return pconf, nil +} + +func NewPeerGroupFromAPIStruct(a *api.PeerGroup) (*config.PeerGroup, error) { + pconf := &config.PeerGroup{} + if a.Conf != nil { + pconf.Config.PeerAs = a.Conf.PeerAs + pconf.Config.LocalAs = a.Conf.LocalAs + pconf.Config.AuthPassword = a.Conf.AuthPassword + pconf.Config.RouteFlapDamping = a.Conf.RouteFlapDamping + pconf.Config.Description = a.Conf.Description + pconf.Config.PeerGroupName = a.Conf.PeerGroupName + + switch a.Conf.RemovePrivateAs { + case api.PeerGroupConf_ALL: + pconf.Config.RemovePrivateAs = config.REMOVE_PRIVATE_AS_OPTION_ALL + case api.PeerGroupConf_REPLACE: + pconf.Config.RemovePrivateAs = config.REMOVE_PRIVATE_AS_OPTION_REPLACE + } + + for _, af := range a.AfiSafis { + afiSafi := config.AfiSafi{} + ReadMpGracefulRestartFromAPIStruct(&afiSafi.MpGracefulRestart, af.MpGracefulRestart) + ReadAfiSafiConfigFromAPIStruct(&afiSafi.Config, af.Config) + ReadAfiSafiStateFromAPIStruct(&afiSafi.State, af.Config) + ReadApplyPolicyFromAPIStruct(&afiSafi.ApplyPolicy, af.ApplyPolicy) + ReadRouteSelectionOptionsFromAPIStruct(&afiSafi.RouteSelectionOptions, af.RouteSelectionOptions) + ReadUseMultiplePathsFromAPIStruct(&afiSafi.UseMultiplePaths, af.UseMultiplePaths) + ReadPrefixLimitFromAPIStruct(&afiSafi.PrefixLimit, af.PrefixLimits) + ReadRouteTargetMembershipFromAPIStruct(&afiSafi.RouteTargetMembership, af.RouteTargetMembership) + ReadLongLivedGracefulRestartFromAPIStruct(&afiSafi.LongLivedGracefulRestart, af.LongLivedGracefulRestart) + ReadAddPathsFromAPIStruct(&afiSafi.AddPaths, af.AddPaths) + pconf.AfiSafis = append(pconf.AfiSafis, afiSafi) + } + // For the backward compatibility, we override AfiSafi configurations + // with Peer.Families. + for _, family := range a.Families { + found := false + for _, afiSafi := range pconf.AfiSafis { + if uint32(afiSafi.State.Family) == family { + // If Peer.Families contains the same address family, + // we enable this address family. + afiSafi.Config.Enabled = true + found = true + } + } + if !found { + // If Peer.Families does not contain the same address family, + // we append AfiSafi structure with the default value. + pconf.AfiSafis = append(pconf.AfiSafis, config.AfiSafi{ + Config: config.AfiSafiConfig{ + AfiSafiName: config.AfiSafiType(bgp.RouteFamily(family).String()), + Enabled: true, + }, + }) + } + } + } + + if a.Timers != nil { + if a.Timers.Config != nil { + pconf.Timers.Config.ConnectRetry = float64(a.Timers.Config.ConnectRetry) + pconf.Timers.Config.HoldTime = float64(a.Timers.Config.HoldTime) + pconf.Timers.Config.KeepaliveInterval = float64(a.Timers.Config.KeepaliveInterval) + pconf.Timers.Config.MinimumAdvertisementInterval = float64(a.Timers.Config.MinimumAdvertisementInterval) + } + if a.Timers.State != nil { + pconf.Timers.State.KeepaliveInterval = float64(a.Timers.State.KeepaliveInterval) + pconf.Timers.State.NegotiatedHoldTime = float64(a.Timers.State.NegotiatedHoldTime) + pconf.Timers.State.Uptime = int64(a.Timers.State.Uptime) + pconf.Timers.State.Downtime = int64(a.Timers.State.Downtime) + } + } + if a.RouteReflector != nil { + pconf.RouteReflector.Config.RouteReflectorClusterId = config.RrClusterIdType(a.RouteReflector.RouteReflectorClusterId) + pconf.RouteReflector.Config.RouteReflectorClient = a.RouteReflector.RouteReflectorClient + } + if a.RouteServer != nil { + pconf.RouteServer.Config.RouteServerClient = a.RouteServer.RouteServerClient + } + if a.GracefulRestart != nil { + pconf.GracefulRestart.Config.Enabled = a.GracefulRestart.Enabled + pconf.GracefulRestart.Config.RestartTime = uint16(a.GracefulRestart.RestartTime) + pconf.GracefulRestart.Config.HelperOnly = a.GracefulRestart.HelperOnly + pconf.GracefulRestart.Config.DeferralTime = uint16(a.GracefulRestart.DeferralTime) + pconf.GracefulRestart.Config.NotificationEnabled = a.GracefulRestart.NotificationEnabled + pconf.GracefulRestart.Config.LongLivedEnabled = a.GracefulRestart.LonglivedEnabled + pconf.GracefulRestart.State.LocalRestarting = a.GracefulRestart.LocalRestarting + } + ReadApplyPolicyFromAPIStruct(&pconf.ApplyPolicy, a.ApplyPolicy) + if a.Transport != nil { + pconf.Transport.Config.LocalAddress = a.Transport.LocalAddress + pconf.Transport.Config.PassiveMode = a.Transport.PassiveMode + pconf.Transport.Config.RemotePort = uint16(a.Transport.RemotePort) + } + if a.EbgpMultihop != nil { + pconf.EbgpMultihop.Config.Enabled = a.EbgpMultihop.Enabled + pconf.EbgpMultihop.Config.MultihopTtl = uint8(a.EbgpMultihop.MultihopTtl) + } + if a.Info != nil { + pconf.State.TotalPaths = a.Info.TotalPaths + pconf.State.TotalPrefixes = a.Info.TotalPrefixes + pconf.State.PeerAs = a.Info.PeerAs + pconf.State.PeerType = config.IntToPeerTypeMap[int(a.Info.PeerType)] + } + ReadAddPathsFromAPIStruct(&pconf.AddPaths, a.AddPaths) + return pconf, nil +} + +func (s *Server) AddNeighbor(ctx context.Context, arg *api.AddNeighborRequest) (*api.AddNeighborResponse, error) { + c, err := NewNeighborFromAPIStruct(arg.Peer) + if err != nil { + return nil, err + } + return &api.AddNeighborResponse{}, s.bgpServer.AddNeighbor(c) +} + +func (s *Server) DeleteNeighbor(ctx context.Context, arg *api.DeleteNeighborRequest) (*api.DeleteNeighborResponse, error) { + return &api.DeleteNeighborResponse{}, s.bgpServer.DeleteNeighbor(&config.Neighbor{Config: config.NeighborConfig{ + NeighborAddress: arg.Peer.Conf.NeighborAddress, + NeighborInterface: arg.Peer.Conf.NeighborInterface, + }}) +} + +func (s *Server) UpdateNeighbor(ctx context.Context, arg *api.UpdateNeighborRequest) (*api.UpdateNeighborResponse, error) { + c, err := NewNeighborFromAPIStruct(arg.Peer) + if err != nil { + return nil, err + } + needsSoftResetIn, err := s.bgpServer.UpdateNeighbor(c) + if err != nil { + return nil, err + } + if arg.DoSoftResetIn && needsSoftResetIn { + return &api.UpdateNeighborResponse{NeedsSoftResetIn: false}, s.bgpServer.SoftResetIn("", bgp.RouteFamily(0)) + } + return &api.UpdateNeighborResponse{NeedsSoftResetIn: needsSoftResetIn}, nil +} + +func (s *Server) AddPeerGroup(ctx context.Context, arg *api.AddPeerGroupRequest) (*api.AddPeerGroupResponse, error) { + c, err := NewPeerGroupFromAPIStruct(arg.PeerGroup) + if err != nil { + return nil, err + } + return &api.AddPeerGroupResponse{}, s.bgpServer.AddPeerGroup(c) +} + +func (s *Server) DeletePeerGroup(ctx context.Context, arg *api.DeletePeerGroupRequest) (*api.DeletePeerGroupResponse, error) { + return &api.DeletePeerGroupResponse{}, s.bgpServer.DeletePeerGroup(&config.PeerGroup{Config: config.PeerGroupConfig{ + PeerGroupName: arg.PeerGroup.Conf.PeerGroupName, + }}) +} + +func (s *Server) UpdatePeerGroup(ctx context.Context, arg *api.UpdatePeerGroupRequest) (*api.UpdatePeerGroupResponse, error) { + c, err := NewPeerGroupFromAPIStruct(arg.PeerGroup) + if err != nil { + return nil, err + } + needsSoftResetIn, err := s.bgpServer.UpdatePeerGroup(c) + if err != nil { + return nil, err + } + if arg.DoSoftResetIn && needsSoftResetIn { + return &api.UpdatePeerGroupResponse{NeedsSoftResetIn: false}, s.bgpServer.SoftResetIn("", bgp.RouteFamily(0)) + } + return &api.UpdatePeerGroupResponse{NeedsSoftResetIn: needsSoftResetIn}, nil +} + +func (s *Server) AddDynamicNeighbor(ctx context.Context, arg *api.AddDynamicNeighborRequest) (*api.AddDynamicNeighborResponse, error) { + return &api.AddDynamicNeighborResponse{}, s.bgpServer.AddDynamicNeighbor(&config.DynamicNeighbor{Config: config.DynamicNeighborConfig{ + Prefix: arg.DynamicNeighbor.Prefix, + PeerGroup: arg.DynamicNeighbor.PeerGroup, + }}) +} + +func NewPrefixFromApiStruct(a *api.Prefix) (*table.Prefix, error) { + _, prefix, err := net.ParseCIDR(a.IpPrefix) + if err != nil { + return nil, err + } + rf := bgp.RF_IPv4_UC + if strings.Contains(a.IpPrefix, ":") { + rf = bgp.RF_IPv6_UC + } + return &table.Prefix{ + Prefix: prefix, + AddressFamily: rf, + MasklengthRangeMin: uint8(a.MaskLengthMin), + MasklengthRangeMax: uint8(a.MaskLengthMax), + }, nil +} + +func NewConfigPrefixFromAPIStruct(a *api.Prefix) (*config.Prefix, error) { + _, prefix, err := net.ParseCIDR(a.IpPrefix) + if err != nil { + return nil, err + } + return &config.Prefix{ + IpPrefix: prefix.String(), + MasklengthRange: fmt.Sprintf("%d..%d", a.MaskLengthMin, a.MaskLengthMax), + }, nil +} + +func NewAPIPrefixFromConfigStruct(c config.Prefix) (*api.Prefix, error) { + min, max, err := config.ParseMaskLength(c.IpPrefix, c.MasklengthRange) + if err != nil { + return nil, err + } + return &api.Prefix{ + IpPrefix: c.IpPrefix, + MaskLengthMin: uint32(min), + MaskLengthMax: uint32(max), + }, nil +} + +func NewAPIDefinedSetFromTableStruct(t table.DefinedSet) (*api.DefinedSet, error) { + a := &api.DefinedSet{ + Type: api.DefinedType(t.Type()), + Name: t.Name(), + } + switch t.Type() { + case table.DEFINED_TYPE_PREFIX: + s := t.(*table.PrefixSet) + c := s.ToConfig() + for _, p := range c.PrefixList { + ap, err := NewAPIPrefixFromConfigStruct(p) + if err != nil { + return nil, err + } + a.Prefixes = append(a.Prefixes, ap) + } + case table.DEFINED_TYPE_NEIGHBOR: + s := t.(*table.NeighborSet) + c := s.ToConfig() + a.List = append(a.List, c.NeighborInfoList...) + case table.DEFINED_TYPE_AS_PATH: + s := t.(*table.AsPathSet) + c := s.ToConfig() + a.List = append(a.List, c.AsPathList...) + case table.DEFINED_TYPE_COMMUNITY: + s := t.(*table.CommunitySet) + c := s.ToConfig() + a.List = append(a.List, c.CommunityList...) + case table.DEFINED_TYPE_EXT_COMMUNITY: + s := t.(*table.ExtCommunitySet) + c := s.ToConfig() + a.List = append(a.List, c.ExtCommunityList...) + case table.DEFINED_TYPE_LARGE_COMMUNITY: + s := t.(*table.LargeCommunitySet) + c := s.ToConfig() + a.List = append(a.List, c.LargeCommunityList...) + default: + return nil, fmt.Errorf("invalid defined type") + } + return a, nil +} + +func NewAPIDefinedSetsFromConfigStruct(t *config.DefinedSets) ([]*api.DefinedSet, error) { + definedSets := make([]*api.DefinedSet, 0) + + for _, ps := range t.PrefixSets { + prefixes := make([]*api.Prefix, 0) + for _, p := range ps.PrefixList { + ap, err := NewAPIPrefixFromConfigStruct(p) + if err != nil { + return nil, err + } + prefixes = append(prefixes, ap) + } + definedSets = append(definedSets, &api.DefinedSet{ + Type: api.DefinedType_PREFIX, + Name: ps.PrefixSetName, + Prefixes: prefixes, + }) + } + + for _, ns := range t.NeighborSets { + definedSets = append(definedSets, &api.DefinedSet{ + Type: api.DefinedType_NEIGHBOR, + Name: ns.NeighborSetName, + List: ns.NeighborInfoList, + }) + } + + bs := t.BgpDefinedSets + for _, cs := range bs.CommunitySets { + definedSets = append(definedSets, &api.DefinedSet{ + Type: api.DefinedType_COMMUNITY, + Name: cs.CommunitySetName, + List: cs.CommunityList, + }) + } + + for _, es := range bs.ExtCommunitySets { + definedSets = append(definedSets, &api.DefinedSet{ + Type: api.DefinedType_EXT_COMMUNITY, + Name: es.ExtCommunitySetName, + List: es.ExtCommunityList, + }) + } + + for _, ls := range bs.LargeCommunitySets { + definedSets = append(definedSets, &api.DefinedSet{ + Type: api.DefinedType_LARGE_COMMUNITY, + Name: ls.LargeCommunitySetName, + List: ls.LargeCommunityList, + }) + } + + for _, as := range bs.AsPathSets { + definedSets = append(definedSets, &api.DefinedSet{ + Type: api.DefinedType_AS_PATH, + Name: as.AsPathSetName, + List: as.AsPathList, + }) + } + + return definedSets, nil +} + +func NewConfigDefinedSetsFromApiStruct(a []*api.DefinedSet) (*config.DefinedSets, error) { + ps := make([]config.PrefixSet, 0) + ns := make([]config.NeighborSet, 0) + as := make([]config.AsPathSet, 0) + cs := make([]config.CommunitySet, 0) + es := make([]config.ExtCommunitySet, 0) + ls := make([]config.LargeCommunitySet, 0) + + for _, ds := range a { + if ds.Name == "" { + return nil, fmt.Errorf("empty neighbor set name") + } + switch table.DefinedType(ds.Type) { + case table.DEFINED_TYPE_PREFIX: + prefixes := make([]config.Prefix, 0, len(ds.Prefixes)) + for _, p := range ds.Prefixes { + prefix, err := NewConfigPrefixFromAPIStruct(p) + if err != nil { + return nil, err + } + prefixes = append(prefixes, *prefix) + } + ps = append(ps, config.PrefixSet{ + PrefixSetName: ds.Name, + PrefixList: prefixes, + }) + case table.DEFINED_TYPE_NEIGHBOR: + ns = append(ns, config.NeighborSet{ + NeighborSetName: ds.Name, + NeighborInfoList: ds.List, + }) + case table.DEFINED_TYPE_AS_PATH: + as = append(as, config.AsPathSet{ + AsPathSetName: ds.Name, + AsPathList: ds.List, + }) + case table.DEFINED_TYPE_COMMUNITY: + cs = append(cs, config.CommunitySet{ + CommunitySetName: ds.Name, + CommunityList: ds.List, + }) + case table.DEFINED_TYPE_EXT_COMMUNITY: + es = append(es, config.ExtCommunitySet{ + ExtCommunitySetName: ds.Name, + ExtCommunityList: ds.List, + }) + case table.DEFINED_TYPE_LARGE_COMMUNITY: + ls = append(ls, config.LargeCommunitySet{ + LargeCommunitySetName: ds.Name, + LargeCommunityList: ds.List, + }) + default: + return nil, fmt.Errorf("invalid defined type") + } + } + + return &config.DefinedSets{ + PrefixSets: ps, + NeighborSets: ns, + BgpDefinedSets: config.BgpDefinedSets{ + AsPathSets: as, + CommunitySets: cs, + ExtCommunitySets: es, + LargeCommunitySets: ls, + }, + }, nil +} + +func NewDefinedSetFromApiStruct(a *api.DefinedSet) (table.DefinedSet, error) { + if a.Name == "" { + return nil, fmt.Errorf("empty neighbor set name") + } + switch table.DefinedType(a.Type) { + case table.DEFINED_TYPE_PREFIX: + prefixes := make([]*table.Prefix, 0, len(a.Prefixes)) + for _, p := range a.Prefixes { + prefix, err := NewPrefixFromApiStruct(p) + if err != nil { + return nil, err + } + prefixes = append(prefixes, prefix) + } + return table.NewPrefixSetFromApiStruct(a.Name, prefixes) + case table.DEFINED_TYPE_NEIGHBOR: + list := make([]net.IPNet, 0, len(a.List)) + for _, x := range a.List { + _, addr, err := net.ParseCIDR(x) + if err != nil { + return nil, fmt.Errorf("invalid address or prefix: %s", x) + } + list = append(list, *addr) + } + return table.NewNeighborSetFromApiStruct(a.Name, list) + case table.DEFINED_TYPE_AS_PATH: + return table.NewAsPathSet(config.AsPathSet{ + AsPathSetName: a.Name, + AsPathList: a.List, + }) + case table.DEFINED_TYPE_COMMUNITY: + return table.NewCommunitySet(config.CommunitySet{ + CommunitySetName: a.Name, + CommunityList: a.List, + }) + case table.DEFINED_TYPE_EXT_COMMUNITY: + return table.NewExtCommunitySet(config.ExtCommunitySet{ + ExtCommunitySetName: a.Name, + ExtCommunityList: a.List, + }) + case table.DEFINED_TYPE_LARGE_COMMUNITY: + return table.NewLargeCommunitySet(config.LargeCommunitySet{ + LargeCommunitySetName: a.Name, + LargeCommunityList: a.List, + }) + default: + return nil, fmt.Errorf("invalid defined type") + } +} + +var _regexpPrefixMaskLengthRange = regexp.MustCompile(`(\d+)\.\.(\d+)`) + +func (s *Server) GetDefinedSet(ctx context.Context, arg *api.GetDefinedSetRequest) (*api.GetDefinedSetResponse, error) { + cd, err := s.bgpServer.GetDefinedSet(table.DefinedType(arg.Type), arg.Name) + if err != nil { + return nil, err + } + sets := make([]*api.DefinedSet, 0) + for _, cs := range cd.PrefixSets { + ad := &api.DefinedSet{ + Type: api.DefinedType_PREFIX, + Name: cs.PrefixSetName, + Prefixes: func() []*api.Prefix { + l := make([]*api.Prefix, 0, len(cs.PrefixList)) + for _, p := range cs.PrefixList { + elems := _regexpPrefixMaskLengthRange.FindStringSubmatch(p.MasklengthRange) + min, _ := strconv.ParseUint(elems[1], 10, 32) + max, _ := strconv.ParseUint(elems[2], 10, 32) + + l = append(l, &api.Prefix{IpPrefix: p.IpPrefix, MaskLengthMin: uint32(min), MaskLengthMax: uint32(max)}) + } + return l + }(), + } + sets = append(sets, ad) + + } + for _, cs := range cd.NeighborSets { + ad := &api.DefinedSet{ + Type: api.DefinedType_NEIGHBOR, + Name: cs.NeighborSetName, + List: cs.NeighborInfoList, + } + sets = append(sets, ad) + } + for _, cs := range cd.BgpDefinedSets.CommunitySets { + ad := &api.DefinedSet{ + Type: api.DefinedType_COMMUNITY, + Name: cs.CommunitySetName, + List: cs.CommunityList, + } + sets = append(sets, ad) + } + for _, cs := range cd.BgpDefinedSets.ExtCommunitySets { + ad := &api.DefinedSet{ + Type: api.DefinedType_EXT_COMMUNITY, + Name: cs.ExtCommunitySetName, + List: cs.ExtCommunityList, + } + sets = append(sets, ad) + } + for _, cs := range cd.BgpDefinedSets.LargeCommunitySets { + ad := &api.DefinedSet{ + Type: api.DefinedType_LARGE_COMMUNITY, + Name: cs.LargeCommunitySetName, + List: cs.LargeCommunityList, + } + sets = append(sets, ad) + } + for _, cs := range cd.BgpDefinedSets.AsPathSets { + ad := &api.DefinedSet{ + Type: api.DefinedType_AS_PATH, + Name: cs.AsPathSetName, + List: cs.AsPathList, + } + sets = append(sets, ad) + } + + return &api.GetDefinedSetResponse{Sets: sets}, nil +} + +func (s *Server) AddDefinedSet(ctx context.Context, arg *api.AddDefinedSetRequest) (*api.AddDefinedSetResponse, error) { + if arg == nil || arg.Set == nil { + return nil, fmt.Errorf("invalid request") + } + set, err := NewDefinedSetFromApiStruct(arg.Set) + if err != nil { + return nil, err + } + return &api.AddDefinedSetResponse{}, s.bgpServer.AddDefinedSet(set) +} + +func (s *Server) DeleteDefinedSet(ctx context.Context, arg *api.DeleteDefinedSetRequest) (*api.DeleteDefinedSetResponse, error) { + if arg == nil || arg.Set == nil { + return nil, fmt.Errorf("invalid request") + } + set, err := NewDefinedSetFromApiStruct(arg.Set) + if err != nil { + return nil, err + } + return &api.DeleteDefinedSetResponse{}, s.bgpServer.DeleteDefinedSet(set, arg.All) +} + +func (s *Server) ReplaceDefinedSet(ctx context.Context, arg *api.ReplaceDefinedSetRequest) (*api.ReplaceDefinedSetResponse, error) { + if arg == nil || arg.Set == nil { + return nil, fmt.Errorf("invalid request") + } + set, err := NewDefinedSetFromApiStruct(arg.Set) + if err != nil { + return nil, err + } + return &api.ReplaceDefinedSetResponse{}, s.bgpServer.ReplaceDefinedSet(set) +} + +func NewAPIStatementFromTableStruct(t *table.Statement) *api.Statement { + return toStatementApi(t.ToConfig()) +} + +var _regexpMedActionType = regexp.MustCompile(`([+-]?)(\d+)`) + +func toStatementApi(s *config.Statement) *api.Statement { + cs := &api.Conditions{} + if s.Conditions.MatchPrefixSet.PrefixSet != "" { + o, _ := table.NewMatchOption(s.Conditions.MatchPrefixSet.MatchSetOptions) + cs.PrefixSet = &api.MatchSet{ + Type: api.MatchType(o), + Name: s.Conditions.MatchPrefixSet.PrefixSet, + } + } + if s.Conditions.MatchNeighborSet.NeighborSet != "" { + o, _ := table.NewMatchOption(s.Conditions.MatchNeighborSet.MatchSetOptions) + cs.NeighborSet = &api.MatchSet{ + Type: api.MatchType(o), + Name: s.Conditions.MatchNeighborSet.NeighborSet, + } + } + if s.Conditions.BgpConditions.AsPathLength.Operator != "" { + cs.AsPathLength = &api.AsPathLength{ + Length: s.Conditions.BgpConditions.AsPathLength.Value, + Type: api.AsPathLengthType(s.Conditions.BgpConditions.AsPathLength.Operator.ToInt()), + } + } + if s.Conditions.BgpConditions.MatchAsPathSet.AsPathSet != "" { + cs.AsPathSet = &api.MatchSet{ + Type: api.MatchType(s.Conditions.BgpConditions.MatchAsPathSet.MatchSetOptions.ToInt()), + Name: s.Conditions.BgpConditions.MatchAsPathSet.AsPathSet, + } + } + if s.Conditions.BgpConditions.MatchCommunitySet.CommunitySet != "" { + cs.CommunitySet = &api.MatchSet{ + Type: api.MatchType(s.Conditions.BgpConditions.MatchCommunitySet.MatchSetOptions.ToInt()), + Name: s.Conditions.BgpConditions.MatchCommunitySet.CommunitySet, + } + } + if s.Conditions.BgpConditions.MatchExtCommunitySet.ExtCommunitySet != "" { + cs.ExtCommunitySet = &api.MatchSet{ + Type: api.MatchType(s.Conditions.BgpConditions.MatchExtCommunitySet.MatchSetOptions.ToInt()), + Name: s.Conditions.BgpConditions.MatchExtCommunitySet.ExtCommunitySet, + } + } + if s.Conditions.BgpConditions.MatchLargeCommunitySet.LargeCommunitySet != "" { + cs.LargeCommunitySet = &api.MatchSet{ + Type: api.MatchType(s.Conditions.BgpConditions.MatchLargeCommunitySet.MatchSetOptions.ToInt()), + Name: s.Conditions.BgpConditions.MatchLargeCommunitySet.LargeCommunitySet, + } + } + if s.Conditions.BgpConditions.RouteType != "" { + cs.RouteType = api.Conditions_RouteType(s.Conditions.BgpConditions.RouteType.ToInt()) + } + if len(s.Conditions.BgpConditions.NextHopInList) > 0 { + cs.NextHopInList = s.Conditions.BgpConditions.NextHopInList + } + if s.Conditions.BgpConditions.AfiSafiInList != nil { + afiSafiIn := make([]api.Family, 0) + for _, afiSafiType := range s.Conditions.BgpConditions.AfiSafiInList { + if mapped, ok := bgp.AddressFamilyValueMap[string(afiSafiType)]; ok { + afiSafiIn = append(afiSafiIn, api.Family(mapped)) + } + } + cs.AfiSafiIn = afiSafiIn + } + cs.RpkiResult = int32(s.Conditions.BgpConditions.RpkiValidationResult.ToInt()) + as := &api.Actions{ + RouteAction: func() api.RouteAction { + switch s.Actions.RouteDisposition { + case config.ROUTE_DISPOSITION_ACCEPT_ROUTE: + return api.RouteAction_ACCEPT + case config.ROUTE_DISPOSITION_REJECT_ROUTE: + return api.RouteAction_REJECT + } + return api.RouteAction_NONE + }(), + Community: func() *api.CommunityAction { + if len(s.Actions.BgpActions.SetCommunity.SetCommunityMethod.CommunitiesList) == 0 { + return nil + } + return &api.CommunityAction{ + Type: api.CommunityActionType(config.BgpSetCommunityOptionTypeToIntMap[config.BgpSetCommunityOptionType(s.Actions.BgpActions.SetCommunity.Options)]), + Communities: s.Actions.BgpActions.SetCommunity.SetCommunityMethod.CommunitiesList} + }(), + Med: func() *api.MedAction { + medStr := strings.TrimSpace(string(s.Actions.BgpActions.SetMed)) + if len(medStr) == 0 { + return nil + } + matches := _regexpMedActionType.FindStringSubmatch(medStr) + if len(matches) == 0 { + return nil + } + action := api.MedActionType_MED_REPLACE + switch matches[1] { + case "+", "-": + action = api.MedActionType_MED_MOD + } + value, err := strconv.ParseInt(matches[1]+matches[2], 10, 64) + if err != nil { + return nil + } + return &api.MedAction{ + Value: value, + Type: action, + } + }(), + AsPrepend: func() *api.AsPrependAction { + if len(s.Actions.BgpActions.SetAsPathPrepend.As) == 0 { + return nil + } + var asn uint64 + useleft := false + if s.Actions.BgpActions.SetAsPathPrepend.As != "last-as" { + asn, _ = strconv.ParseUint(s.Actions.BgpActions.SetAsPathPrepend.As, 10, 32) + } else { + useleft = true + } + return &api.AsPrependAction{ + Asn: uint32(asn), + Repeat: uint32(s.Actions.BgpActions.SetAsPathPrepend.RepeatN), + UseLeftMost: useleft, + } + }(), + ExtCommunity: func() *api.CommunityAction { + if len(s.Actions.BgpActions.SetExtCommunity.SetExtCommunityMethod.CommunitiesList) == 0 { + return nil + } + return &api.CommunityAction{ + Type: api.CommunityActionType(config.BgpSetCommunityOptionTypeToIntMap[config.BgpSetCommunityOptionType(s.Actions.BgpActions.SetExtCommunity.Options)]), + Communities: s.Actions.BgpActions.SetExtCommunity.SetExtCommunityMethod.CommunitiesList, + } + }(), + LargeCommunity: func() *api.CommunityAction { + if len(s.Actions.BgpActions.SetLargeCommunity.SetLargeCommunityMethod.CommunitiesList) == 0 { + return nil + } + return &api.CommunityAction{ + Type: api.CommunityActionType(config.BgpSetCommunityOptionTypeToIntMap[config.BgpSetCommunityOptionType(s.Actions.BgpActions.SetLargeCommunity.Options)]), + Communities: s.Actions.BgpActions.SetLargeCommunity.SetLargeCommunityMethod.CommunitiesList, + } + }(), + Nexthop: func() *api.NexthopAction { + if len(string(s.Actions.BgpActions.SetNextHop)) == 0 { + return nil + } + + if string(s.Actions.BgpActions.SetNextHop) == "self" { + return &api.NexthopAction{ + Self: true, + } + } + return &api.NexthopAction{ + Address: string(s.Actions.BgpActions.SetNextHop), + } + }(), + LocalPref: func() *api.LocalPrefAction { + if s.Actions.BgpActions.SetLocalPref == 0 { + return nil + } + return &api.LocalPrefAction{Value: s.Actions.BgpActions.SetLocalPref} + }(), + } + return &api.Statement{ + Name: s.Name, + Conditions: cs, + Actions: as, + } +} + +func toConfigMatchSetOption(a api.MatchType) (config.MatchSetOptionsType, error) { + var typ config.MatchSetOptionsType + switch a { + case api.MatchType_ANY: + typ = config.MATCH_SET_OPTIONS_TYPE_ANY + case api.MatchType_ALL: + typ = config.MATCH_SET_OPTIONS_TYPE_ALL + case api.MatchType_INVERT: + typ = config.MATCH_SET_OPTIONS_TYPE_INVERT + default: + return typ, fmt.Errorf("invalid match type") + } + return typ, nil +} + +func toConfigMatchSetOptionRestricted(a api.MatchType) (config.MatchSetOptionsRestrictedType, error) { + var typ config.MatchSetOptionsRestrictedType + switch a { + case api.MatchType_ANY: + typ = config.MATCH_SET_OPTIONS_RESTRICTED_TYPE_ANY + case api.MatchType_INVERT: + typ = config.MATCH_SET_OPTIONS_RESTRICTED_TYPE_INVERT + default: + return typ, fmt.Errorf("invalid match type") + } + return typ, nil +} + +func NewPrefixConditionFromApiStruct(a *api.MatchSet) (*table.PrefixCondition, error) { + if a == nil { + return nil, nil + } + typ, err := toConfigMatchSetOptionRestricted(a.Type) + if err != nil { + return nil, err + } + c := config.MatchPrefixSet{ + PrefixSet: a.Name, + MatchSetOptions: typ, + } + return table.NewPrefixCondition(c) +} + +func NewNeighborConditionFromApiStruct(a *api.MatchSet) (*table.NeighborCondition, error) { + if a == nil { + return nil, nil + } + typ, err := toConfigMatchSetOptionRestricted(a.Type) + if err != nil { + return nil, err + } + c := config.MatchNeighborSet{ + NeighborSet: a.Name, + MatchSetOptions: typ, + } + return table.NewNeighborCondition(c) +} + +func NewAsPathLengthConditionFromApiStruct(a *api.AsPathLength) (*table.AsPathLengthCondition, error) { + if a == nil { + return nil, nil + } + return table.NewAsPathLengthCondition(config.AsPathLength{ + Operator: config.IntToAttributeComparisonMap[int(a.Type)], + Value: a.Length, + }) +} + +func NewAsPathConditionFromApiStruct(a *api.MatchSet) (*table.AsPathCondition, error) { + if a == nil { + return nil, nil + } + typ, err := toConfigMatchSetOption(a.Type) + if err != nil { + return nil, err + } + c := config.MatchAsPathSet{ + AsPathSet: a.Name, + MatchSetOptions: typ, + } + return table.NewAsPathCondition(c) +} + +func NewRpkiValidationConditionFromApiStruct(a int32) (*table.RpkiValidationCondition, error) { + if a < 1 { + return nil, nil + } + return table.NewRpkiValidationCondition(config.IntToRpkiValidationResultTypeMap[int(a)]) +} + +func NewRouteTypeConditionFromApiStruct(a api.Conditions_RouteType) (*table.RouteTypeCondition, error) { + if a == 0 { + return nil, nil + } + typ, ok := config.IntToRouteTypeMap[int(a)] + if !ok { + return nil, fmt.Errorf("invalid route type: %d", a) + } + return table.NewRouteTypeCondition(typ) +} + +func NewCommunityConditionFromApiStruct(a *api.MatchSet) (*table.CommunityCondition, error) { + if a == nil { + return nil, nil + } + typ, err := toConfigMatchSetOption(a.Type) + if err != nil { + return nil, err + } + c := config.MatchCommunitySet{ + CommunitySet: a.Name, + MatchSetOptions: typ, + } + return table.NewCommunityCondition(c) +} + +func NewExtCommunityConditionFromApiStruct(a *api.MatchSet) (*table.ExtCommunityCondition, error) { + if a == nil { + return nil, nil + } + typ, err := toConfigMatchSetOption(a.Type) + if err != nil { + return nil, err + } + c := config.MatchExtCommunitySet{ + ExtCommunitySet: a.Name, + MatchSetOptions: typ, + } + return table.NewExtCommunityCondition(c) +} + +func NewLargeCommunityConditionFromApiStruct(a *api.MatchSet) (*table.LargeCommunityCondition, error) { + if a == nil { + return nil, nil + } + typ, err := toConfigMatchSetOption(a.Type) + if err != nil { + return nil, err + } + c := config.MatchLargeCommunitySet{ + LargeCommunitySet: a.Name, + MatchSetOptions: typ, + } + return table.NewLargeCommunityCondition(c) +} + +func NewNextHopConditionFromApiStruct(a []string) (*table.NextHopCondition, error) { + if a == nil { + return nil, nil + } + + return table.NewNextHopCondition(a) +} + +func NewAfiSafiInConditionFromApiStruct(a []api.Family) (*table.AfiSafiInCondition, error) { + if a == nil { + return nil, nil + } + afiSafiTypes := make([]config.AfiSafiType, 0, len(a)) + for _, aType := range a { + if configType, ok := bgp.AddressFamilyNameMap[bgp.RouteFamily(aType)]; ok { + afiSafiTypes = append(afiSafiTypes, config.AfiSafiType(configType)) + } else { + return nil, fmt.Errorf("unknown afi-safi-in type value: %d", aType) + } + } + return table.NewAfiSafiInCondition(afiSafiTypes) +} + +func NewRoutingActionFromApiStruct(a api.RouteAction) (*table.RoutingAction, error) { + if a == api.RouteAction_NONE { + return nil, nil + } + accept := false + if a == api.RouteAction_ACCEPT { + accept = true + } + return &table.RoutingAction{ + AcceptRoute: accept, + }, nil +} + +func NewCommunityActionFromApiStruct(a *api.CommunityAction) (*table.CommunityAction, error) { + if a == nil { + return nil, nil + } + return table.NewCommunityAction(config.SetCommunity{ + Options: string(config.IntToBgpSetCommunityOptionTypeMap[int(a.Type)]), + SetCommunityMethod: config.SetCommunityMethod{ + CommunitiesList: a.Communities, + }, + }) +} + +func NewExtCommunityActionFromApiStruct(a *api.CommunityAction) (*table.ExtCommunityAction, error) { + if a == nil { + return nil, nil + } + return table.NewExtCommunityAction(config.SetExtCommunity{ + Options: string(config.IntToBgpSetCommunityOptionTypeMap[int(a.Type)]), + SetExtCommunityMethod: config.SetExtCommunityMethod{ + CommunitiesList: a.Communities, + }, + }) +} + +func NewLargeCommunityActionFromApiStruct(a *api.CommunityAction) (*table.LargeCommunityAction, error) { + if a == nil { + return nil, nil + } + return table.NewLargeCommunityAction(config.SetLargeCommunity{ + Options: config.IntToBgpSetCommunityOptionTypeMap[int(a.Type)], + SetLargeCommunityMethod: config.SetLargeCommunityMethod{ + CommunitiesList: a.Communities, + }, + }) +} + +func NewMedActionFromApiStruct(a *api.MedAction) (*table.MedAction, error) { + if a == nil { + return nil, nil + } + return table.NewMedActionFromApiStruct(table.MedActionType(a.Type), a.Value), nil +} + +func NewLocalPrefActionFromApiStruct(a *api.LocalPrefAction) (*table.LocalPrefAction, error) { + if a == nil || a.Value == 0 { + return nil, nil + } + return table.NewLocalPrefAction(a.Value) +} + +func NewAsPathPrependActionFromApiStruct(a *api.AsPrependAction) (*table.AsPathPrependAction, error) { + if a == nil { + return nil, nil + } + return table.NewAsPathPrependAction(config.SetAsPathPrepend{ + RepeatN: uint8(a.Repeat), + As: func() string { + if a.UseLeftMost { + return "last-as" + } + return fmt.Sprintf("%d", a.Asn) + }(), + }) +} + +func NewNexthopActionFromApiStruct(a *api.NexthopAction) (*table.NexthopAction, error) { + if a == nil { + return nil, nil + } + return table.NewNexthopAction(config.BgpNextHopType( + func() string { + if a.Self { + return "self" + } + return a.Address + }(), + )) +} + +func NewStatementFromApiStruct(a *api.Statement) (*table.Statement, error) { + if a.Name == "" { + return nil, fmt.Errorf("empty statement name") + } + var ra table.Action + var as []table.Action + var cs []table.Condition + var err error + if a.Conditions != nil { + cfs := []func() (table.Condition, error){ + func() (table.Condition, error) { + return NewPrefixConditionFromApiStruct(a.Conditions.PrefixSet) + }, + func() (table.Condition, error) { + return NewNeighborConditionFromApiStruct(a.Conditions.NeighborSet) + }, + func() (table.Condition, error) { + return NewAsPathLengthConditionFromApiStruct(a.Conditions.AsPathLength) + }, + func() (table.Condition, error) { + return NewRpkiValidationConditionFromApiStruct(a.Conditions.RpkiResult) + }, + func() (table.Condition, error) { + return NewRouteTypeConditionFromApiStruct(a.Conditions.RouteType) + }, + func() (table.Condition, error) { + return NewAsPathConditionFromApiStruct(a.Conditions.AsPathSet) + }, + func() (table.Condition, error) { + return NewCommunityConditionFromApiStruct(a.Conditions.CommunitySet) + }, + func() (table.Condition, error) { + return NewExtCommunityConditionFromApiStruct(a.Conditions.ExtCommunitySet) + }, + func() (table.Condition, error) { + return NewLargeCommunityConditionFromApiStruct(a.Conditions.LargeCommunitySet) + }, + func() (table.Condition, error) { + return NewNextHopConditionFromApiStruct(a.Conditions.NextHopInList) + }, + func() (table.Condition, error) { + return NewAfiSafiInConditionFromApiStruct(a.Conditions.AfiSafiIn) + }, + } + cs = make([]table.Condition, 0, len(cfs)) + for _, f := range cfs { + c, err := f() + if err != nil { + return nil, err + } + if !reflect.ValueOf(c).IsNil() { + cs = append(cs, c) + } + } + } + if a.Actions != nil { + ra, err = NewRoutingActionFromApiStruct(a.Actions.RouteAction) + if err != nil { + return nil, err + } + afs := []func() (table.Action, error){ + func() (table.Action, error) { + return NewCommunityActionFromApiStruct(a.Actions.Community) + }, + func() (table.Action, error) { + return NewExtCommunityActionFromApiStruct(a.Actions.ExtCommunity) + }, + func() (table.Action, error) { + return NewLargeCommunityActionFromApiStruct(a.Actions.LargeCommunity) + }, + func() (table.Action, error) { + return NewMedActionFromApiStruct(a.Actions.Med) + }, + func() (table.Action, error) { + return NewLocalPrefActionFromApiStruct(a.Actions.LocalPref) + }, + func() (table.Action, error) { + return NewAsPathPrependActionFromApiStruct(a.Actions.AsPrepend) + }, + func() (table.Action, error) { + return NewNexthopActionFromApiStruct(a.Actions.Nexthop) + }, + } + as = make([]table.Action, 0, len(afs)) + for _, f := range afs { + a, err := f() + if err != nil { + return nil, err + } + if !reflect.ValueOf(a).IsNil() { + as = append(as, a) + } + } + } + return &table.Statement{ + Name: a.Name, + Conditions: cs, + RouteAction: ra, + ModActions: as, + }, nil +} + +func (s *Server) GetStatement(ctx context.Context, arg *api.GetStatementRequest) (*api.GetStatementResponse, error) { + l := make([]*api.Statement, 0) + for _, s := range s.bgpServer.GetStatement() { + l = append(l, toStatementApi(s)) + } + return &api.GetStatementResponse{Statements: l}, nil +} + +func (s *Server) AddStatement(ctx context.Context, arg *api.AddStatementRequest) (*api.AddStatementResponse, error) { + if arg == nil || arg.Statement == nil { + return nil, fmt.Errorf("invalid request") + } + st, err := NewStatementFromApiStruct(arg.Statement) + if err == nil { + err = s.bgpServer.AddStatement(st) + } + return &api.AddStatementResponse{}, err +} + +func (s *Server) DeleteStatement(ctx context.Context, arg *api.DeleteStatementRequest) (*api.DeleteStatementResponse, error) { + if arg == nil || arg.Statement == nil { + return nil, fmt.Errorf("invalid request") + } + st, err := NewStatementFromApiStruct(arg.Statement) + if err == nil { + err = s.bgpServer.DeleteStatement(st, arg.All) + } + return &api.DeleteStatementResponse{}, err +} + +func (s *Server) ReplaceStatement(ctx context.Context, arg *api.ReplaceStatementRequest) (*api.ReplaceStatementResponse, error) { + if arg == nil || arg.Statement == nil { + return nil, fmt.Errorf("invalid request") + } + st, err := NewStatementFromApiStruct(arg.Statement) + if err == nil { + err = s.bgpServer.ReplaceStatement(st) + } + return &api.ReplaceStatementResponse{}, err +} + +func NewAPIPolicyFromTableStruct(p *table.Policy) *api.Policy { + return toPolicyApi(p.ToConfig()) +} + +func toPolicyApi(p *config.PolicyDefinition) *api.Policy { + return &api.Policy{ + Name: p.Name, + Statements: func() []*api.Statement { + l := make([]*api.Statement, 0) + for _, s := range p.Statements { + l = append(l, toStatementApi(&s)) + } + return l + }(), + } +} + +func NewAPIPolicyAssignmentFromTableStruct(t *table.PolicyAssignment) *api.PolicyAssignment { + return &api.PolicyAssignment{ + Type: func() api.PolicyType { + switch t.Type { + case table.POLICY_DIRECTION_IMPORT: + return api.PolicyType_IMPORT + case table.POLICY_DIRECTION_EXPORT: + return api.PolicyType_EXPORT + } + log.Errorf("invalid policy-type: %s", t.Type) + return api.PolicyType(-1) + }(), + Default: func() api.RouteAction { + switch t.Default { + case table.ROUTE_TYPE_ACCEPT: + return api.RouteAction_ACCEPT + case table.ROUTE_TYPE_REJECT: + return api.RouteAction_REJECT + } + return api.RouteAction_NONE + }(), + Name: t.Name, + Resource: func() api.Resource { + if t.Name != "" { + return api.Resource_LOCAL + } + return api.Resource_GLOBAL + }(), + Policies: func() []*api.Policy { + l := make([]*api.Policy, 0) + for _, p := range t.Policies { + l = append(l, NewAPIPolicyFromTableStruct(p)) + } + return l + }(), + } +} + +func NewConfigPolicyFromApiStruct(a *api.Policy) (*config.PolicyDefinition, error) { + if a.Name == "" { + return nil, fmt.Errorf("empty policy name") + } + stmts := make([]config.Statement, 0, len(a.Statements)) + for idx, x := range a.Statements { + if x.Name == "" { + x.Name = fmt.Sprintf("%s_stmt%d", a.Name, idx) + } + y, err := NewStatementFromApiStruct(x) + if err != nil { + return nil, err + } + stmt := y.ToConfig() + stmts = append(stmts, *stmt) + } + return &config.PolicyDefinition{ + Name: a.Name, + Statements: stmts, + }, nil +} + +func NewPolicyFromApiStruct(a *api.Policy) (*table.Policy, error) { + if a.Name == "" { + return nil, fmt.Errorf("empty policy name") + } + stmts := make([]*table.Statement, 0, len(a.Statements)) + for idx, x := range a.Statements { + if x.Name == "" { + x.Name = fmt.Sprintf("%s_stmt%d", a.Name, idx) + } + y, err := NewStatementFromApiStruct(x) + if err != nil { + return nil, err + } + stmts = append(stmts, y) + } + return &table.Policy{ + Name: a.Name, + Statements: stmts, + }, nil +} + +func NewRoaListFromTableStructList(origin []*table.ROA) []*api.Roa { + l := make([]*api.Roa, 0) + for _, r := range origin { + host, port, _ := net.SplitHostPort(r.Src) + l = append(l, &api.Roa{ + As: r.AS, + Maxlen: uint32(r.MaxLen), + Prefixlen: uint32(r.Prefix.Length), + Prefix: r.Prefix.Prefix.String(), + Conf: &api.RPKIConf{ + Address: host, + RemotePort: port, + }, + }) + } + return l +} + +func (s *Server) GetPolicy(ctx context.Context, arg *api.GetPolicyRequest) (*api.GetPolicyResponse, error) { + l := make([]*api.Policy, 0) + for _, p := range s.bgpServer.GetPolicy() { + l = append(l, toPolicyApi(p)) + } + return &api.GetPolicyResponse{Policies: l}, nil +} + +func (s *Server) AddPolicy(ctx context.Context, arg *api.AddPolicyRequest) (*api.AddPolicyResponse, error) { + if arg == nil || arg.Policy == nil { + return nil, fmt.Errorf("invalid request") + } + x, err := NewPolicyFromApiStruct(arg.Policy) + if err != nil { + return nil, err + } + return &api.AddPolicyResponse{}, s.bgpServer.AddPolicy(x, arg.ReferExistingStatements) +} + +func (s *Server) DeletePolicy(ctx context.Context, arg *api.DeletePolicyRequest) (*api.DeletePolicyResponse, error) { + if arg == nil || arg.Policy == nil { + return nil, fmt.Errorf("invalid request") + } + x, err := NewPolicyFromApiStruct(arg.Policy) + if err != nil { + return nil, err + } + return &api.DeletePolicyResponse{}, s.bgpServer.DeletePolicy(x, arg.All, arg.PreserveStatements) +} + +func (s *Server) ReplacePolicy(ctx context.Context, arg *api.ReplacePolicyRequest) (*api.ReplacePolicyResponse, error) { + if arg == nil || arg.Policy == nil { + return nil, fmt.Errorf("invalid request") + } + x, err := NewPolicyFromApiStruct(arg.Policy) + if err != nil { + return nil, err + } + return &api.ReplacePolicyResponse{}, s.bgpServer.ReplacePolicy(x, arg.ReferExistingStatements, arg.PreserveStatements) +} + +func toPolicyAssignmentName(a *api.PolicyAssignment) (string, table.PolicyDirection, error) { + switch a.Resource { + case api.Resource_GLOBAL: + switch a.Type { + case api.PolicyType_IMPORT: + return "", table.POLICY_DIRECTION_IMPORT, nil + case api.PolicyType_EXPORT: + return "", table.POLICY_DIRECTION_EXPORT, nil + default: + return "", table.POLICY_DIRECTION_NONE, fmt.Errorf("invalid policy type") + } + case api.Resource_LOCAL: + switch a.Type { + case api.PolicyType_IMPORT: + return a.Name, table.POLICY_DIRECTION_IMPORT, nil + case api.PolicyType_EXPORT: + return a.Name, table.POLICY_DIRECTION_EXPORT, nil + default: + return "", table.POLICY_DIRECTION_NONE, fmt.Errorf("invalid policy type") + } + default: + return "", table.POLICY_DIRECTION_NONE, fmt.Errorf("invalid resource type") + } + +} + +func (s *Server) GetPolicyAssignment(ctx context.Context, arg *api.GetPolicyAssignmentRequest) (*api.GetPolicyAssignmentResponse, error) { + if arg == nil || arg.Assignment == nil { + return nil, fmt.Errorf("invalid request") + } + name, dir, err := toPolicyAssignmentName(arg.Assignment) + if err != nil { + return nil, err + } + def, pols, err := s.bgpServer.GetPolicyAssignment(name, dir) + if err != nil { + return nil, err + } + policies := make([]*table.Policy, 0, len(pols)) + for _, p := range pols { + t, err := table.NewPolicy(*p) + if err != nil { + return nil, err + } + policies = append(policies, t) + } + t := &table.PolicyAssignment{ + Name: name, + Type: dir, + Default: def, + Policies: policies, + } + return &api.GetPolicyAssignmentResponse{NewAPIPolicyAssignmentFromTableStruct(t)}, err +} + +func defaultRouteType(d api.RouteAction) table.RouteType { + switch d { + case api.RouteAction_ACCEPT: + return table.ROUTE_TYPE_ACCEPT + case api.RouteAction_REJECT: + return table.ROUTE_TYPE_REJECT + default: + return table.ROUTE_TYPE_NONE + } +} + +func toPolicyDefinition(policies []*api.Policy) []*config.PolicyDefinition { + l := make([]*config.PolicyDefinition, 0, len(policies)) + for _, p := range policies { + l = append(l, &config.PolicyDefinition{Name: p.Name}) + } + return l +} + +func (s *Server) AddPolicyAssignment(ctx context.Context, arg *api.AddPolicyAssignmentRequest) (*api.AddPolicyAssignmentResponse, error) { + if arg == nil || arg.Assignment == nil { + return nil, fmt.Errorf("invalid request") + } + name, dir, err := toPolicyAssignmentName(arg.Assignment) + if err != nil { + return nil, err + } + return &api.AddPolicyAssignmentResponse{}, s.bgpServer.AddPolicyAssignment(name, dir, toPolicyDefinition(arg.Assignment.Policies), defaultRouteType(arg.Assignment.Default)) +} + +func (s *Server) DeletePolicyAssignment(ctx context.Context, arg *api.DeletePolicyAssignmentRequest) (*api.DeletePolicyAssignmentResponse, error) { + if arg == nil || arg.Assignment == nil { + return nil, fmt.Errorf("invalid request") + } + name, dir, err := toPolicyAssignmentName(arg.Assignment) + if err != nil { + return nil, err + } + return &api.DeletePolicyAssignmentResponse{}, s.bgpServer.DeletePolicyAssignment(name, dir, toPolicyDefinition(arg.Assignment.Policies), arg.All) +} + +func (s *Server) ReplacePolicyAssignment(ctx context.Context, arg *api.ReplacePolicyAssignmentRequest) (*api.ReplacePolicyAssignmentResponse, error) { + if arg == nil || arg.Assignment == nil { + return nil, fmt.Errorf("invalid request") + } + name, dir, err := toPolicyAssignmentName(arg.Assignment) + if err != nil { + return nil, err + } + return &api.ReplacePolicyAssignmentResponse{}, s.bgpServer.ReplacePolicyAssignment(name, dir, toPolicyDefinition(arg.Assignment.Policies), defaultRouteType(arg.Assignment.Default)) +} + +func (s *Server) GetServer(ctx context.Context, arg *api.GetServerRequest) (*api.GetServerResponse, error) { + g := s.bgpServer.GetServer() + return &api.GetServerResponse{ + Global: &api.Global{ + As: g.Config.As, + RouterId: g.Config.RouterId, + ListenPort: g.Config.Port, + ListenAddresses: g.Config.LocalAddressList, + UseMultiplePaths: g.UseMultiplePaths.Config.Enabled, + }, + }, nil +} + +func NewGlobalFromAPIStruct(a *api.Global) *config.Global { + families := make([]config.AfiSafi, 0, len(a.Families)) + for _, f := range a.Families { + name := config.IntToAfiSafiTypeMap[int(f)] + rf, _ := bgp.GetRouteFamily(string(name)) + families = append(families, config.AfiSafi{ + Config: config.AfiSafiConfig{ + AfiSafiName: name, + Enabled: true, + }, + State: config.AfiSafiState{ + AfiSafiName: name, + Enabled: true, + Family: rf, + }, + }) + } + + applyPolicy := &config.ApplyPolicy{} + ReadApplyPolicyFromAPIStruct(applyPolicy, a.ApplyPolicy) + + global := &config.Global{ + Config: config.GlobalConfig{ + As: a.As, + RouterId: a.RouterId, + Port: a.ListenPort, + LocalAddressList: a.ListenAddresses, + }, + ApplyPolicy: *applyPolicy, + AfiSafis: families, + UseMultiplePaths: config.UseMultiplePaths{ + Config: config.UseMultiplePathsConfig{ + Enabled: a.UseMultiplePaths, + }, + }, + } + if a.RouteSelectionOptions != nil { + global.RouteSelectionOptions = config.RouteSelectionOptions{ + Config: config.RouteSelectionOptionsConfig{ + AlwaysCompareMed: a.RouteSelectionOptions.AlwaysCompareMed, + IgnoreAsPathLength: a.RouteSelectionOptions.IgnoreAsPathLength, + ExternalCompareRouterId: a.RouteSelectionOptions.ExternalCompareRouterId, + AdvertiseInactiveRoutes: a.RouteSelectionOptions.AdvertiseInactiveRoutes, + EnableAigp: a.RouteSelectionOptions.EnableAigp, + IgnoreNextHopIgpMetric: a.RouteSelectionOptions.IgnoreNextHopIgpMetric, + DisableBestPathSelection: a.RouteSelectionOptions.DisableBestPathSelection, + }, + } + } + if a.DefaultRouteDistance != nil { + global.DefaultRouteDistance = config.DefaultRouteDistance{ + Config: config.DefaultRouteDistanceConfig{ + ExternalRouteDistance: uint8(a.DefaultRouteDistance.ExternalRouteDistance), + InternalRouteDistance: uint8(a.DefaultRouteDistance.InternalRouteDistance), + }, + } + } + if a.Confederation != nil { + global.Confederation = config.Confederation{ + Config: config.ConfederationConfig{ + Enabled: a.Confederation.Enabled, + Identifier: a.Confederation.Identifier, + MemberAsList: a.Confederation.MemberAsList, + }, + } + } + if a.GracefulRestart != nil { + global.GracefulRestart = config.GracefulRestart{ + Config: config.GracefulRestartConfig{ + Enabled: a.GracefulRestart.Enabled, + RestartTime: uint16(a.GracefulRestart.RestartTime), + StaleRoutesTime: float64(a.GracefulRestart.StaleRoutesTime), + HelperOnly: a.GracefulRestart.HelperOnly, + DeferralTime: uint16(a.GracefulRestart.DeferralTime), + NotificationEnabled: a.GracefulRestart.NotificationEnabled, + LongLivedEnabled: a.GracefulRestart.LonglivedEnabled, + }, + } + } + return global +} + +func NewGlobalFromConfigStruct(c *config.Global) *api.Global { + families := make([]uint32, 0, len(c.AfiSafis)) + for _, f := range c.AfiSafis { + families = append(families, uint32(config.AfiSafiTypeToIntMap[f.Config.AfiSafiName])) + } + + applyPolicy := NewApplyPolicyFromConfigStruct(&c.ApplyPolicy) + + return &api.Global{ + As: c.Config.As, + RouterId: c.Config.RouterId, + ListenPort: c.Config.Port, + ListenAddresses: c.Config.LocalAddressList, + Families: families, + UseMultiplePaths: c.UseMultiplePaths.Config.Enabled, + RouteSelectionOptions: &api.RouteSelectionOptionsConfig{ + AlwaysCompareMed: c.RouteSelectionOptions.Config.AlwaysCompareMed, + IgnoreAsPathLength: c.RouteSelectionOptions.Config.IgnoreAsPathLength, + ExternalCompareRouterId: c.RouteSelectionOptions.Config.ExternalCompareRouterId, + AdvertiseInactiveRoutes: c.RouteSelectionOptions.Config.AdvertiseInactiveRoutes, + EnableAigp: c.RouteSelectionOptions.Config.EnableAigp, + IgnoreNextHopIgpMetric: c.RouteSelectionOptions.Config.IgnoreNextHopIgpMetric, + DisableBestPathSelection: c.RouteSelectionOptions.Config.DisableBestPathSelection, + }, + DefaultRouteDistance: &api.DefaultRouteDistance{ + ExternalRouteDistance: uint32(c.DefaultRouteDistance.Config.ExternalRouteDistance), + InternalRouteDistance: uint32(c.DefaultRouteDistance.Config.InternalRouteDistance), + }, + Confederation: &api.Confederation{ + Enabled: c.Confederation.Config.Enabled, + Identifier: c.Confederation.Config.Identifier, + MemberAsList: c.Confederation.Config.MemberAsList, + }, + GracefulRestart: &api.GracefulRestart{ + Enabled: c.GracefulRestart.Config.Enabled, + RestartTime: uint32(c.GracefulRestart.Config.RestartTime), + StaleRoutesTime: uint32(c.GracefulRestart.Config.StaleRoutesTime), + HelperOnly: c.GracefulRestart.Config.HelperOnly, + DeferralTime: uint32(c.GracefulRestart.Config.DeferralTime), + NotificationEnabled: c.GracefulRestart.Config.NotificationEnabled, + LonglivedEnabled: c.GracefulRestart.Config.LongLivedEnabled, + }, + ApplyPolicy: applyPolicy, + } +} + +func (s *Server) StartServer(ctx context.Context, arg *api.StartServerRequest) (*api.StartServerResponse, error) { + if arg == nil || arg.Global == nil { + return nil, fmt.Errorf("invalid request") + } + g := arg.Global + if net.ParseIP(g.RouterId) == nil { + return nil, fmt.Errorf("invalid router-id format: %s", g.RouterId) + } + + global := NewGlobalFromAPIStruct(arg.Global) + + return &api.StartServerResponse{}, s.bgpServer.Start(global) +} + +func (s *Server) StopServer(ctx context.Context, arg *api.StopServerRequest) (*api.StopServerResponse, error) { + return &api.StopServerResponse{}, s.bgpServer.Stop() +} + +func (s *Server) GetRibInfo(ctx context.Context, arg *api.GetRibInfoRequest) (*api.GetRibInfoResponse, error) { + if arg == nil || arg.Info == nil { + return nil, fmt.Errorf("invalid request") + } + family := bgp.RouteFamily(arg.Info.Family) + var in bool + var err error + var info *table.TableInfo + switch arg.Info.Type { + case api.Resource_GLOBAL, api.Resource_LOCAL: + info, err = s.bgpServer.GetRibInfo(arg.Info.Name, family) + case api.Resource_ADJ_IN: + in = true + fallthrough + case api.Resource_ADJ_OUT: + info, err = s.bgpServer.GetAdjRibInfo(arg.Info.Name, family, in) + default: + return nil, fmt.Errorf("unsupported resource type: %s", arg.Info.Type) + } + + if err != nil { + return nil, err + } + + return &api.GetRibInfoResponse{ + Info: &api.TableInfo{ + Type: arg.Info.Type, + Family: arg.Info.Family, + Name: arg.Info.Name, + NumDestination: uint64(info.NumDestination), + NumPath: uint64(info.NumPath), + NumAccepted: uint64(info.NumAccepted), + }, + }, nil +} + +func (s *Server) AddCollector(ctx context.Context, arg *api.AddCollectorRequest) (*api.AddCollectorResponse, error) { + return &api.AddCollectorResponse{}, s.bgpServer.AddCollector(&config.CollectorConfig{ + Url: arg.Url, + DbName: arg.DbName, + TableDumpInterval: arg.TableDumpInterval, + }) +} + +func (s *Server) Shutdown(ctx context.Context, arg *api.ShutdownRequest) (*api.ShutdownResponse, error) { + s.bgpServer.Shutdown() + return &api.ShutdownResponse{}, nil +} |