Add unit tests

This commit is contained in:
Mayuresh Gaitonde
2020-12-17 17:25:53 -08:00
parent 3702339f44
commit 6be4d69d02
705 changed files with 120529 additions and 150051 deletions

View File

@@ -23,16 +23,16 @@ import (
type AdjRib struct {
accepted map[bgp.RouteFamily]int
table map[bgp.RouteFamily]map[string]*Path
table map[bgp.RouteFamily]*Table
}
func NewAdjRib(rfList []bgp.RouteFamily) *AdjRib {
table := make(map[bgp.RouteFamily]map[string]*Path)
for _, rf := range rfList {
table[rf] = make(map[string]*Path)
m := make(map[bgp.RouteFamily]*Table)
for _, f := range rfList {
m[f] = NewTable(f)
}
return &AdjRib{
table: table,
table: m,
accepted: make(map[bgp.RouteFamily]int),
}
}
@@ -43,56 +43,100 @@ func (adj *AdjRib) Update(pathList []*Path) {
continue
}
rf := path.GetRouteFamily()
key := fmt.Sprintf("%d:%s", path.GetNlri().PathIdentifier(), path.getPrefix())
t := adj.table[path.GetRouteFamily()]
d := t.getOrCreateDest(path.GetNlri(), 0)
var old *Path
idx := -1
for i, p := range d.knownPathList {
if p.GetNlri().PathIdentifier() == path.GetNlri().PathIdentifier() {
idx = i
break
}
}
if idx != -1 {
old = d.knownPathList[idx]
}
old, found := adj.table[rf][key]
if path.IsWithdraw {
if found {
delete(adj.table[rf], key)
if !old.IsAsLooped() {
if idx != -1 {
d.knownPathList = append(d.knownPathList[:idx], d.knownPathList[idx+1:]...)
if len(d.knownPathList) == 0 {
t.deleteDest(d)
}
if !old.IsRejected() {
adj.accepted[rf]--
}
}
path.SetDropped(true)
} else {
if found {
if old.IsAsLooped() && !path.IsAsLooped() {
if idx != -1 {
if old.IsRejected() && !path.IsRejected() {
adj.accepted[rf]++
} else if !old.IsAsLooped() && path.IsAsLooped() {
} else if !old.IsRejected() && path.IsRejected() {
adj.accepted[rf]--
}
if old.Equal(path) {
path.setTimestamp(old.GetTimestamp())
}
d.knownPathList[idx] = path
} else {
if !path.IsAsLooped() {
d.knownPathList = append(d.knownPathList, path)
if !path.IsRejected() {
adj.accepted[rf]++
}
}
if found && old.Equal(path) {
path.setTimestamp(old.GetTimestamp())
}
}
}
/* The provided pathList is expected to be the real candidate routes after policy evaluation.
For routes that are filtered by policy, there could be a mismatch between display
and actual rib sent to the peer (if softreset out was not run).
Only used to display adj-out because we do not maintain a separate adj-out table
*/
func (adj *AdjRib) UpdateAdjRibOut(pathList []*Path) {
for _, path := range pathList {
if path == nil || path.IsEOR() {
continue
}
t := adj.table[path.GetRouteFamily()]
d := t.getOrCreateDest(path.GetNlri(), 0)
d.knownPathList = append(d.knownPathList, path)
}
}
func (adj *AdjRib) walk(families []bgp.RouteFamily, fn func(*Destination) bool) {
for _, f := range families {
if t, ok := adj.table[f]; ok {
for _, d := range t.destinations {
if fn(d) {
return
}
}
adj.table[rf][key] = path
}
}
}
func (adj *AdjRib) PathList(rfList []bgp.RouteFamily, accepted bool) []*Path {
pathList := make([]*Path, 0, adj.Count(rfList))
for _, rf := range rfList {
for _, rr := range adj.table[rf] {
if accepted && rr.IsAsLooped() {
adj.walk(rfList, func(d *Destination) bool {
for _, p := range d.knownPathList {
if accepted && p.IsRejected() {
continue
}
pathList = append(pathList, rr)
pathList = append(pathList, p)
}
}
return false
})
return pathList
}
func (adj *AdjRib) Count(rfList []bgp.RouteFamily) int {
count := 0
for _, rf := range rfList {
if table, ok := adj.table[rf]; ok {
count += len(table)
}
}
adj.walk(rfList, func(d *Destination) bool {
count += len(d.knownPathList)
return false
})
return count
}
@@ -106,70 +150,88 @@ func (adj *AdjRib) Accepted(rfList []bgp.RouteFamily) int {
return count
}
func (adj *AdjRib) Drop(rfList []bgp.RouteFamily) {
for _, rf := range rfList {
if _, ok := adj.table[rf]; ok {
adj.table[rf] = make(map[string]*Path)
adj.accepted[rf] = 0
func (adj *AdjRib) Drop(rfList []bgp.RouteFamily) []*Path {
l := make([]*Path, 0, adj.Count(rfList))
adj.walk(rfList, func(d *Destination) bool {
for _, p := range d.knownPathList {
w := p.Clone(true)
w.SetDropped(true)
l = append(l, w)
}
return false
})
for _, rf := range rfList {
adj.table[rf] = NewTable(rf)
adj.accepted[rf] = 0
}
return l
}
func (adj *AdjRib) DropStale(rfList []bgp.RouteFamily) []*Path {
pathList := make([]*Path, 0, adj.Count(rfList))
for _, rf := range rfList {
if table, ok := adj.table[rf]; ok {
for k, p := range table {
if p.IsStale() {
delete(table, k)
if !p.IsAsLooped() {
adj.accepted[rf]--
}
pathList = append(pathList, p.Clone(true))
}
adj.walk(rfList, func(d *Destination) bool {
for _, p := range d.knownPathList {
if p.IsStale() {
w := p.Clone(true)
w.SetDropped(true)
pathList = append(pathList, w)
}
}
}
return false
})
adj.Update(pathList)
return pathList
}
func (adj *AdjRib) StaleAll(rfList []bgp.RouteFamily) []*Path {
pathList := make([]*Path, 0)
for _, rf := range rfList {
if table, ok := adj.table[rf]; ok {
l := make([]*Path, 0, len(table))
for k, p := range table {
n := p.Clone(false)
n.MarkStale(true)
table[k] = n
l = append(l, n)
}
if len(l) > 0 {
pathList = append(pathList, l...)
pathList := make([]*Path, 0, adj.Count(rfList))
adj.walk(rfList, func(d *Destination) bool {
for i, p := range d.knownPathList {
n := p.Clone(false)
n.MarkStale(true)
n.SetRejected(p.IsRejected())
d.knownPathList[i] = n
if !n.IsRejected() {
pathList = append(pathList, n)
}
}
}
return false
})
return pathList
}
func (adj *AdjRib) MarkLLGRStaleOrDrop(rfList []bgp.RouteFamily) []*Path {
pathList := make([]*Path, 0, adj.Count(rfList))
adj.walk(rfList, func(d *Destination) bool {
for i, p := range d.knownPathList {
if p.HasNoLLGR() {
n := p.Clone(true)
n.SetDropped(true)
pathList = append(pathList, n)
} else {
n := p.Clone(false)
n.SetRejected(p.IsRejected())
n.SetCommunities([]uint32{uint32(bgp.COMMUNITY_LLGR_STALE)}, false)
if p.IsRejected() {
d.knownPathList[i] = n
} else {
pathList = append(pathList, n)
}
}
}
return false
})
adj.Update(pathList)
return pathList
}
func (adj *AdjRib) Select(family bgp.RouteFamily, accepted bool, option ...TableSelectOption) (*Table, error) {
m := make(map[string][]*Path)
pl := adj.PathList([]bgp.RouteFamily{family}, accepted)
for _, path := range pl {
key := path.GetNlri().String()
if _, y := m[key]; y {
m[key] = append(m[key], path)
} else {
m[key] = []*Path{path}
}
t, ok := adj.table[family]
if !ok {
t = NewTable(family)
}
d := make([]*Destination, 0, len(pl))
for _, l := range m {
d = append(d, NewDestination(l[0].GetNlri(), 0, l...))
}
tbl := NewTable(family, d...)
option = append(option, TableSelectOption{adj: true})
return tbl.Select(option...)
return t.Select(option...)
}
func (adj *AdjRib) TableInfo(family bgp.RouteFamily) (*TableInfo, error) {

View File

@@ -74,38 +74,6 @@ func (r *BestPathReason) String() string {
return BestPathReasonStringMap[*r]
}
func IpToRadixkey(b []byte, max uint8) string {
var buffer bytes.Buffer
for i := 0; i < len(b) && i < int(max); i++ {
fmt.Fprintf(&buffer, "%08b", b[i])
}
return buffer.String()[:max]
}
func CidrToRadixkey(cidr string) string {
_, n, _ := net.ParseCIDR(cidr)
ones, _ := n.Mask.Size()
return IpToRadixkey(n.IP, uint8(ones))
}
func AddrToRadixkey(addr bgp.AddrPrefixInterface) string {
var (
ip net.IP
size uint8
)
switch T := addr.(type) {
case *bgp.IPAddrPrefix:
mask := net.CIDRMask(int(T.Length), net.IPv4len*8)
ip, size = T.Prefix.Mask(mask).To4(), uint8(T.Length)
case *bgp.IPv6AddrPrefix:
mask := net.CIDRMask(int(T.Length), net.IPv6len*8)
ip, size = T.Prefix.Mask(mask).To16(), uint8(T.Length)
default:
return CidrToRadixkey(addr.String())
}
return IpToRadixkey(ip, size)
}
type PeerInfo struct {
AS uint32
ID net.IP
@@ -265,7 +233,7 @@ func (dest *Destination) Calculate(newPath *Path) *Update {
if newPath.IsWithdraw {
p := dest.explicitWithdraw(newPath)
if p != nil {
if p != nil && newPath.IsDropped() {
if id := p.GetNlri().PathLocalIdentifier(); id != 0 {
dest.localIdMap.Unflag(uint(id))
}
@@ -405,17 +373,19 @@ func (dest *Destination) computeKnownBestPath() (*Path, BestPathReason, error) {
}
return dest.knownPathList[0], BPR_ONLY_PATH, nil
}
dest.sort()
reason := dest.sort()
newBest := dest.knownPathList[0]
// If the first path has the invalidated next-hop, which evaluated by IGP,
// returns no path with the reason of the next-hop reachability.
if dest.knownPathList[0].IsNexthopInvalid {
return nil, BPR_REACHABLE_NEXT_HOP, nil
}
return newBest, newBest.reason, nil
return newBest, reason, nil
}
func (dst *Destination) sort() {
func (dst *Destination) sort() BestPathReason {
reason := BPR_UNKNOWN
sort.SliceStable(dst.knownPathList, func(i, j int) bool {
//Compares given paths and returns best path.
//
@@ -451,7 +421,6 @@ func (dst *Destination) sort() {
path2 := dst.knownPathList[j]
var better *Path
reason := BPR_UNKNOWN
// draft-uttaro-idr-bgp-persistence-02
if better == nil {
@@ -501,7 +470,7 @@ func (dst *Destination) sort() {
reason = BPR_OLDER
}
if better == nil {
var e error = nil
var e error
better, e = compareByRouterID(path1, path2)
if e != nil {
log.WithFields(log.Fields{
@@ -515,11 +484,9 @@ func (dst *Destination) sort() {
reason = BPR_UNKNOWN
better = path1
}
better.reason = reason
return better == path1
})
return reason
}
type Update struct {
@@ -933,7 +900,7 @@ func compareByRouterID(path1, path2 *Path) (*Path, error) {
}
if !SelectionOptions.ExternalCompareRouterId && path1.IsIBGP() != path2.IsIBGP() {
return nil, fmt.Errorf("This method does not support comparing ebgp with ibgp path")
return nil, fmt.Errorf("this method does not support comparing ebgp with ibgp path")
}
// At least one path is not coming from NC, so we get local bgp id.

View File

@@ -85,9 +85,9 @@ func UpdatePathAttrs4ByteAs(msg *bgp.BGPUpdate) error {
asAttrPos := 0
as4AttrPos := 0
for i, attr := range msg.PathAttributes {
switch attr.(type) {
switch a := attr.(type) {
case *bgp.PathAttributeAsPath:
asAttr = attr.(*bgp.PathAttributeAsPath)
asAttr = a
for j, param := range asAttr.Value {
as2Param, ok := param.(*bgp.AsPathParam)
if ok {
@@ -103,7 +103,7 @@ func UpdatePathAttrs4ByteAs(msg *bgp.BGPUpdate) error {
msg.PathAttributes[i] = asAttr
case *bgp.PathAttributeAs4Path:
as4AttrPos = i
as4Attr = attr.(*bgp.PathAttributeAs4Path)
as4Attr = a
}
}
@@ -130,8 +130,9 @@ func UpdatePathAttrs4ByteAs(msg *bgp.BGPUpdate) error {
}
as4Len := 0
as4Params := make([]bgp.AsPathParamInterface, 0, len(as4Attr.Value))
var as4Params []bgp.AsPathParamInterface
if as4Attr != nil {
as4Params = make([]bgp.AsPathParamInterface, 0, len(as4Attr.Value))
for _, p := range as4Attr.Value {
// RFC 6793 6. Error Handling
//
@@ -211,9 +212,8 @@ func UpdatePathAggregator2ByteAs(msg *bgp.BGPUpdate) {
as := uint32(0)
var addr string
for i, attr := range msg.PathAttributes {
switch attr.(type) {
switch agg := attr.(type) {
case *bgp.PathAttributeAggregator:
agg := attr.(*bgp.PathAttributeAggregator)
addr = agg.Value.Address.String()
if agg.Value.AS > (1<<16)-1 {
as = agg.Value.AS
@@ -233,15 +233,15 @@ func UpdatePathAggregator4ByteAs(msg *bgp.BGPUpdate) error {
var agg4Attr *bgp.PathAttributeAs4Aggregator
agg4AttrPos := 0
for i, attr := range msg.PathAttributes {
switch attr.(type) {
switch agg := attr.(type) {
case *bgp.PathAttributeAggregator:
attr := attr.(*bgp.PathAttributeAggregator)
attr := agg
if attr.Value.Askind == reflect.Uint16 {
aggAttr = attr
aggAttr.Value.Askind = reflect.Uint32
}
case *bgp.PathAttributeAs4Aggregator:
agg4Attr = attr.(*bgp.PathAttributeAs4Aggregator)
agg4Attr = agg
agg4AttrPos = i
}
}

View File

@@ -89,7 +89,6 @@ type originInfo struct {
nlri bgp.AddrPrefixInterface
source *PeerInfo
timestamp int64
validation *Validation
noImplicitWithdraw bool
isFromExternal bool
eor bool
@@ -138,15 +137,21 @@ type Path struct {
pathAttrs []bgp.PathAttributeInterface
dels []bgp.BGPAttrType
attrsHash uint32
aslooped bool
reason BestPathReason
rejected bool
// doesn't exist in the adj
dropped bool
// For BGP Nexthop Tracking, this field shows if nexthop is invalidated by IGP.
IsNexthopInvalid bool
IsWithdraw bool
}
var localSource = &PeerInfo{}
func NewPath(source *PeerInfo, nlri bgp.AddrPrefixInterface, isWithdraw bool, pattrs []bgp.PathAttributeInterface, timestamp time.Time, noImplicitWithdraw bool) *Path {
if source == nil {
source = localSource
}
if !isWithdraw && pattrs == nil {
log.WithFields(log.Fields{
"Topic": "Table",
@@ -323,7 +328,8 @@ func (path *Path) IsLocal() bool {
}
func (path *Path) IsIBGP() bool {
return path.GetSource().AS == path.GetSource().LocalAS
as := path.GetSource().AS
return (as == path.GetSource().LocalAS) && as != 0
}
// create new PathAttributes
@@ -352,22 +358,6 @@ func (path *Path) NoImplicitWithdraw() bool {
return path.OriginInfo().noImplicitWithdraw
}
func (path *Path) Validation() *Validation {
return path.OriginInfo().validation
}
func (path *Path) ValidationStatus() config.RpkiValidationResultType {
if v := path.OriginInfo().validation; v != nil {
return v.Status
} else {
return config.RPKI_VALIDATION_RESULT_TYPE_NONE
}
}
func (path *Path) SetValidation(v *Validation) {
path.OriginInfo().validation = v
}
func (path *Path) IsFromExternal() bool {
return path.OriginInfo().isFromExternal
}
@@ -380,9 +370,6 @@ func (path *Path) GetRouteFamily() bgp.RouteFamily {
return bgp.AfiSafiToRouteFamily(path.OriginInfo().nlri.AFI(), path.OriginInfo().nlri.SAFI())
}
func (path *Path) SetSource(source *PeerInfo) {
path.OriginInfo().source = source
}
func (path *Path) GetSource() *PeerInfo {
return path.OriginInfo().source
}
@@ -395,12 +382,29 @@ func (path *Path) IsStale() bool {
return path.OriginInfo().stale
}
func (path *Path) IsAsLooped() bool {
return path.aslooped
func (path *Path) IsRejected() bool {
return path.rejected
}
func (path *Path) SetAsLooped(y bool) {
path.aslooped = y
func (path *Path) SetRejected(y bool) {
path.rejected = y
}
func (path *Path) IsDropped() bool {
return path.dropped
}
func (path *Path) SetDropped(y bool) {
path.dropped = y
}
func (path *Path) HasNoLLGR() bool {
for _, c := range path.GetCommunities() {
if c == uint32(bgp.COMMUNITY_NO_LLGR) {
return true
}
}
return false
}
func (path *Path) IsLLGRStale() bool {
@@ -897,6 +901,12 @@ func (path *Path) GetLargeCommunities() []*bgp.LargeCommunity {
}
func (path *Path) SetLargeCommunities(cs []*bgp.LargeCommunity, doReplace bool) {
if len(cs) == 0 && doReplace {
// clear large communities
path.delPathAttr(bgp.BGP_ATTR_TYPE_LARGE_COMMUNITY)
return
}
a := path.getPathAttr(bgp.BGP_ATTR_TYPE_LARGE_COMMUNITY)
if a == nil || doReplace {
path.setPathAttr(bgp.NewPathAttributeLargeCommunities(cs))
@@ -1016,7 +1026,6 @@ func (path *Path) MarshalJSON() ([]byte, error) {
PathAttrs: path.GetPathAttrs(),
Age: path.GetTimestamp().Unix(),
Withdrawal: path.IsWithdraw,
Validation: string(path.ValidationStatus()),
SourceID: path.GetSource().ID,
NeighborIP: path.GetSource().Address,
Stale: path.IsStale(),
@@ -1066,12 +1075,22 @@ func (v *Vrf) ToGlobalPath(path *Path) error {
case bgp.RF_IPv4_UC:
n := nlri.(*bgp.IPAddrPrefix)
pathIdentifier := path.GetNlri().PathIdentifier()
path.OriginInfo().nlri = bgp.NewLabeledVPNIPAddrPrefix(n.Length, n.Prefix.String(), *bgp.NewMPLSLabelStack(0), v.Rd)
path.OriginInfo().nlri = bgp.NewLabeledVPNIPAddrPrefix(n.Length, n.Prefix.String(), *bgp.NewMPLSLabelStack(v.MplsLabel), v.Rd)
path.GetNlri().SetPathIdentifier(pathIdentifier)
case bgp.RF_FS_IPv4_UC:
n := nlri.(*bgp.FlowSpecIPv4Unicast)
pathIdentifier := path.GetNlri().PathIdentifier()
path.OriginInfo().nlri = bgp.NewFlowSpecIPv4VPN(v.Rd, n.FlowSpecNLRI.Value)
path.GetNlri().SetPathIdentifier(pathIdentifier)
case bgp.RF_IPv6_UC:
n := nlri.(*bgp.IPv6AddrPrefix)
pathIdentifier := path.GetNlri().PathIdentifier()
path.OriginInfo().nlri = bgp.NewLabeledVPNIPv6AddrPrefix(n.Length, n.Prefix.String(), *bgp.NewMPLSLabelStack(0), v.Rd)
path.OriginInfo().nlri = bgp.NewLabeledVPNIPv6AddrPrefix(n.Length, n.Prefix.String(), *bgp.NewMPLSLabelStack(v.MplsLabel), v.Rd)
path.GetNlri().SetPathIdentifier(pathIdentifier)
case bgp.RF_FS_IPv6_UC:
n := nlri.(*bgp.FlowSpecIPv6Unicast)
pathIdentifier := path.GetNlri().PathIdentifier()
path.OriginInfo().nlri = bgp.NewFlowSpecIPv6VPN(v.Rd, n.FlowSpecNLRI.Value)
path.GetNlri().SetPathIdentifier(pathIdentifier)
case bgp.RF_EVPN:
n := nlri.(*bgp.EVPNNLRI)
@@ -1095,11 +1114,11 @@ func (p *Path) ToGlobal(vrf *Vrf) *Path {
switch rf := p.GetRouteFamily(); rf {
case bgp.RF_IPv4_UC:
n := nlri.(*bgp.IPAddrPrefix)
nlri = bgp.NewLabeledVPNIPAddrPrefix(n.Length, n.Prefix.String(), *bgp.NewMPLSLabelStack(0), vrf.Rd)
nlri = bgp.NewLabeledVPNIPAddrPrefix(n.Length, n.Prefix.String(), *bgp.NewMPLSLabelStack(vrf.MplsLabel), vrf.Rd)
nlri.SetPathIdentifier(pathId)
case bgp.RF_IPv6_UC:
n := nlri.(*bgp.IPv6AddrPrefix)
nlri = bgp.NewLabeledVPNIPv6AddrPrefix(n.Length, n.Prefix.String(), *bgp.NewMPLSLabelStack(0), vrf.Rd)
nlri = bgp.NewLabeledVPNIPv6AddrPrefix(n.Length, n.Prefix.String(), *bgp.NewMPLSLabelStack(vrf.MplsLabel), vrf.Rd)
nlri.SetPathIdentifier(pathId)
case bgp.RF_EVPN:
n := nlri.(*bgp.EVPNNLRI)
@@ -1134,7 +1153,6 @@ func (p *Path) ToGlobal(vrf *Vrf) *Path {
path.SetExtCommunities(vrf.ExportRt, false)
path.delPathAttr(bgp.BGP_ATTR_TYPE_NEXT_HOP)
path.setPathAttr(bgp.NewPathAttributeMpReachNLRI(nh.String(), []bgp.AddrPrefixInterface{nlri}))
path.IsNexthopInvalid = p.IsNexthopInvalid
return path
}
@@ -1149,17 +1167,39 @@ func (p *Path) ToLocal() *Path {
ones, _ := c.Mask.Size()
nlri = bgp.NewIPAddrPrefix(uint8(ones), c.IP.String())
nlri.SetPathLocalIdentifier(pathId)
case bgp.RF_FS_IPv4_VPN:
n := nlri.(*bgp.FlowSpecIPv4VPN)
nlri = bgp.NewFlowSpecIPv4Unicast(n.FlowSpecNLRI.Value)
nlri.SetPathLocalIdentifier(pathId)
case bgp.RF_IPv6_VPN:
n := nlri.(*bgp.LabeledVPNIPv6AddrPrefix)
_, c, _ := net.ParseCIDR(n.IPPrefix())
ones, _ := c.Mask.Size()
nlri = bgp.NewIPv6AddrPrefix(uint8(ones), c.IP.String())
nlri.SetPathLocalIdentifier(pathId)
case bgp.RF_FS_IPv6_VPN:
n := nlri.(*bgp.FlowSpecIPv6VPN)
nlri = bgp.NewFlowSpecIPv6Unicast(n.FlowSpecNLRI.Value)
nlri.SetPathLocalIdentifier(pathId)
default:
return p
}
path := NewPath(p.OriginInfo().source, nlri, p.IsWithdraw, p.GetPathAttrs(), p.GetTimestamp(), false)
path.delPathAttr(bgp.BGP_ATTR_TYPE_EXTENDED_COMMUNITIES)
switch f {
case bgp.RF_IPv4_VPN, bgp.RF_IPv6_VPN:
path.delPathAttr(bgp.BGP_ATTR_TYPE_EXTENDED_COMMUNITIES)
case bgp.RF_FS_IPv4_VPN, bgp.RF_FS_IPv6_VPN:
extcomms := path.GetExtCommunities()
newExtComms := make([]bgp.ExtendedCommunityInterface, 0, len(extcomms))
for _, extComm := range extcomms {
_, subType := extComm.GetTypes()
if subType == bgp.EC_SUBTYPE_ROUTE_TARGET {
continue
}
newExtComms = append(newExtComms, extComm)
}
path.SetExtCommunities(newExtComms, true)
}
if f == bgp.RF_IPv4_VPN {
nh := path.GetNexthop()
@@ -1177,3 +1217,29 @@ func (p *Path) SetHash(v uint32) {
func (p *Path) GetHash() uint32 {
return p.attrsHash
}
func nlriToIPNet(nlri bgp.AddrPrefixInterface) *net.IPNet {
switch T := nlri.(type) {
case *bgp.IPAddrPrefix:
return &net.IPNet{
IP: net.IP(T.Prefix.To4()),
Mask: net.CIDRMask(int(T.Length), 32),
}
case *bgp.IPv6AddrPrefix:
return &net.IPNet{
IP: net.IP(T.Prefix.To16()),
Mask: net.CIDRMask(int(T.Length), 128),
}
case *bgp.LabeledIPAddrPrefix:
return &net.IPNet{
IP: net.IP(T.Prefix.To4()),
Mask: net.CIDRMask(int(T.Length), 32),
}
case *bgp.LabeledIPv6AddrPrefix:
return &net.IPNet{
IP: net.IP(T.Prefix.To4()),
Mask: net.CIDRMask(int(T.Length), 128),
}
}
return nil
}

View File

@@ -16,7 +16,6 @@
package table
import (
"bytes"
"encoding/json"
"fmt"
"net"
@@ -27,17 +26,17 @@ import (
"strings"
"sync"
"github.com/k-sone/critbitgo"
api "github.com/osrg/gobgp/api"
"github.com/osrg/gobgp/internal/pkg/config"
"github.com/osrg/gobgp/pkg/packet/bgp"
radix "github.com/armon/go-radix"
log "github.com/sirupsen/logrus"
)
type PolicyOptions struct {
Info *PeerInfo
ValidationResult *Validation
OldNextHop net.IP
Info *PeerInfo
OldNextHop net.IP
Validate func(*Path) *Validation
}
type DefinedType int
@@ -353,7 +352,7 @@ func NewPrefix(c config.Prefix) (*Prefix, error) {
type PrefixSet struct {
name string
tree *radix.Tree
tree *critbitgo.Net
family bgp.RouteFamily
}
@@ -370,29 +369,25 @@ func (lhs *PrefixSet) Append(arg DefinedSet) error {
if !ok {
return fmt.Errorf("type cast failed")
}
// if either is empty, family can be ignored.
if lhs.tree.Len() != 0 && rhs.tree.Len() != 0 {
_, w, _ := lhs.tree.Minimum()
l := w.([]*Prefix)
_, v, _ := rhs.tree.Minimum()
r := v.([]*Prefix)
if l[0].AddressFamily != r[0].AddressFamily {
return fmt.Errorf("can't append different family")
}
if rhs.tree.Size() == 0 {
// if try to append an empty set, then return directly
return nil
} else if lhs.tree.Size() != 0 && rhs.family != lhs.family {
return fmt.Errorf("can't append different family")
}
rhs.tree.Walk(func(key string, v interface{}) bool {
w, ok := lhs.tree.Get(key)
rhs.tree.Walk(nil, func(r *net.IPNet, v interface{}) bool {
w, ok, _ := lhs.tree.Get(r)
if ok {
r := v.([]*Prefix)
l := w.([]*Prefix)
lhs.tree.Insert(key, append(l, r...))
rp := v.([]*Prefix)
lp := w.([]*Prefix)
lhs.tree.Add(r, append(lp, rp...))
} else {
lhs.tree.Insert(key, v)
lhs.tree.Add(r, v)
}
return false
return true
})
_, w, _ := lhs.tree.Minimum()
lhs.family = w.([]*Prefix)[0].AddressFamily
lhs.family = rhs.family
return nil
}
@@ -401,17 +396,17 @@ func (lhs *PrefixSet) Remove(arg DefinedSet) error {
if !ok {
return fmt.Errorf("type cast failed")
}
rhs.tree.Walk(func(key string, v interface{}) bool {
w, ok := lhs.tree.Get(key)
rhs.tree.Walk(nil, func(r *net.IPNet, v interface{}) bool {
w, ok, _ := lhs.tree.Get(r)
if !ok {
return false
return true
}
r := v.([]*Prefix)
l := w.([]*Prefix)
new := make([]*Prefix, 0, len(l))
for _, lp := range l {
rp := v.([]*Prefix)
lp := w.([]*Prefix)
new := make([]*Prefix, 0, len(lp))
for _, lp := range lp {
delete := false
for _, rp := range r {
for _, rp := range rp {
if lp.Equal(rp) {
delete = true
break
@@ -422,11 +417,11 @@ func (lhs *PrefixSet) Remove(arg DefinedSet) error {
}
}
if len(new) == 0 {
lhs.tree.Delete(key)
lhs.tree.Delete(r)
} else {
lhs.tree.Insert(key, new)
lhs.tree.Add(r, new)
}
return false
return true
})
return nil
}
@@ -443,24 +438,24 @@ func (lhs *PrefixSet) Replace(arg DefinedSet) error {
func (s *PrefixSet) List() []string {
var list []string
s.tree.Walk(func(s string, v interface{}) bool {
s.tree.Walk(nil, func(_ *net.IPNet, v interface{}) bool {
ps := v.([]*Prefix)
for _, p := range ps {
list = append(list, fmt.Sprintf("%s %d..%d", p.PrefixString(), p.MasklengthRangeMin, p.MasklengthRangeMax))
}
return false
return true
})
return list
}
func (s *PrefixSet) ToConfig() *config.PrefixSet {
list := make([]config.Prefix, 0, s.tree.Len())
s.tree.Walk(func(s string, v interface{}) bool {
list := make([]config.Prefix, 0, s.tree.Size())
s.tree.Walk(nil, func(_ *net.IPNet, v interface{}) bool {
ps := v.([]*Prefix)
for _, p := range ps {
list = append(list, config.Prefix{IpPrefix: p.PrefixString(), MasklengthRange: fmt.Sprintf("%d..%d", p.MasklengthRangeMin, p.MasklengthRangeMax)})
}
return false
return true
})
return &config.PrefixSet{
PrefixSetName: s.name,
@@ -480,7 +475,7 @@ func NewPrefixSetFromApiStruct(name string, prefixes []*Prefix) (*PrefixSet, err
if name == "" {
return nil, fmt.Errorf("empty prefix set name")
}
tree := radix.New()
tree := critbitgo.NewNet()
var family bgp.RouteFamily
for i, x := range prefixes {
if i == 0 {
@@ -488,13 +483,12 @@ func NewPrefixSetFromApiStruct(name string, prefixes []*Prefix) (*PrefixSet, err
} else if family != x.AddressFamily {
return nil, fmt.Errorf("multiple families")
}
key := CidrToRadixkey(x.Prefix.String())
d, ok := tree.Get(key)
d, ok, _ := tree.Get(x.Prefix)
if ok {
ps := d.([]*Prefix)
tree.Insert(key, append(ps, x))
tree.Add(x.Prefix, append(ps, x))
} else {
tree.Insert(key, []*Prefix{x})
tree.Add(x.Prefix, []*Prefix{x})
}
}
return &PrefixSet{
@@ -512,7 +506,7 @@ func NewPrefixSet(c config.PrefixSet) (*PrefixSet, error) {
}
return nil, fmt.Errorf("empty prefix set name")
}
tree := radix.New()
tree := critbitgo.NewNet()
var family bgp.RouteFamily
for i, x := range c.PrefixList {
y, err := NewPrefix(x)
@@ -524,13 +518,12 @@ func NewPrefixSet(c config.PrefixSet) (*PrefixSet, error) {
} else if family != y.AddressFamily {
return nil, fmt.Errorf("multiple families")
}
key := CidrToRadixkey(y.Prefix.String())
d, ok := tree.Get(key)
d, ok, _ := tree.Get(y.Prefix)
if ok {
ps := d.([]*Prefix)
tree.Insert(key, append(ps, y))
tree.Add(y.Prefix, append(ps, y))
} else {
tree.Insert(key, []*Prefix{y})
tree.Add(y.Prefix, []*Prefix{y})
}
}
return &PrefixSet{
@@ -819,7 +812,7 @@ func (m *singleAsPathMatch) Match(aspath []uint32) bool {
}
var (
_regexpLeftMostRe = regexp.MustCompile(`$\^([0-9]+)_^`)
_regexpLeftMostRe = regexp.MustCompile(`^\^([0-9]+)_$`)
_regexpOriginRe = regexp.MustCompile(`^_([0-9]+)\$$`)
_regexpIncludeRe = regexp.MustCompile("^_([0-9]+)_$")
_regexpOnlyRe = regexp.MustCompile(`^\^([0-9]+)\$$`)
@@ -1446,33 +1439,15 @@ func (c *PrefixCondition) Option() MatchOption {
// subsequent comparison is skipped if that matches the conditions.
// If PrefixList's length is zero, return true.
func (c *PrefixCondition) Evaluate(path *Path, _ *PolicyOptions) bool {
var key string
var masklen uint8
keyf := func(ip net.IP, ones int) string {
var buffer bytes.Buffer
for i := 0; i < len(ip) && i < ones; i++ {
buffer.WriteString(fmt.Sprintf("%08b", ip[i]))
}
return buffer.String()[:ones]
}
family := path.GetRouteFamily()
switch family {
case bgp.RF_IPv4_UC:
masklen = path.GetNlri().(*bgp.IPAddrPrefix).Length
key = keyf(path.GetNlri().(*bgp.IPAddrPrefix).Prefix, int(masklen))
case bgp.RF_IPv6_UC:
masklen = path.GetNlri().(*bgp.IPv6AddrPrefix).Length
key = keyf(path.GetNlri().(*bgp.IPv6AddrPrefix).Prefix, int(masklen))
default:
return false
}
if family != c.set.family {
if path.GetRouteFamily() != c.set.family {
return false
}
r := nlriToIPNet(path.GetNlri())
ones, _ := r.Mask.Size()
masklen := uint8(ones)
result := false
_, ps, ok := c.set.tree.LongestPrefix(key)
if ok {
if _, ps, _ := c.set.tree.Match(r); ps != nil {
for _, p := range ps.([]*Prefix) {
if p.MasklengthRangeMin <= masklen && masklen <= p.MasklengthRangeMax {
result = true
@@ -1899,8 +1874,8 @@ func (c *RpkiValidationCondition) Type() ConditionType {
}
func (c *RpkiValidationCondition) Evaluate(path *Path, options *PolicyOptions) bool {
if options != nil && options.ValidationResult != nil {
return c.result == options.ValidationResult.Status
if options != nil && options.Validate != nil {
return c.result == options.Validate(path).Status
}
return false
}
@@ -2536,7 +2511,7 @@ func (a *AsPathPrependAction) Apply(path *Path, option *PolicyOptions) *Path {
asn = a.asn
}
confed := option != nil && option.Info.Confederation
confed := option != nil && option.Info != nil && option.Info.Confederation
path.PrependAsn(asn, a.repeat, confed)
return path
@@ -2580,7 +2555,7 @@ func NewAsPathPrependAction(action config.SetAsPathPrepend) (*AsPathPrependActio
default:
asn, err := strconv.ParseUint(action.As, 10, 32)
if err != nil {
return nil, fmt.Errorf("As number string invalid")
return nil, fmt.Errorf("AS number string invalid")
}
a.asn = uint32(asn)
}
@@ -2686,39 +2661,28 @@ func (s *Statement) ToConfig() *config.Statement {
Conditions: func() config.Conditions {
cond := config.Conditions{}
for _, c := range s.Conditions {
switch c.(type) {
switch v := c.(type) {
case *PrefixCondition:
v := c.(*PrefixCondition)
cond.MatchPrefixSet = config.MatchPrefixSet{PrefixSet: v.set.Name(), MatchSetOptions: v.option.ConvertToMatchSetOptionsRestrictedType()}
case *NeighborCondition:
v := c.(*NeighborCondition)
cond.MatchNeighborSet = config.MatchNeighborSet{NeighborSet: v.set.Name(), MatchSetOptions: v.option.ConvertToMatchSetOptionsRestrictedType()}
case *AsPathLengthCondition:
v := c.(*AsPathLengthCondition)
cond.BgpConditions.AsPathLength = config.AsPathLength{Operator: config.IntToAttributeComparisonMap[int(v.operator)], Value: v.length}
case *AsPathCondition:
v := c.(*AsPathCondition)
cond.BgpConditions.MatchAsPathSet = config.MatchAsPathSet{AsPathSet: v.set.Name(), MatchSetOptions: config.IntToMatchSetOptionsTypeMap[int(v.option)]}
case *CommunityCondition:
v := c.(*CommunityCondition)
cond.BgpConditions.MatchCommunitySet = config.MatchCommunitySet{CommunitySet: v.set.Name(), MatchSetOptions: config.IntToMatchSetOptionsTypeMap[int(v.option)]}
case *ExtCommunityCondition:
v := c.(*ExtCommunityCondition)
cond.BgpConditions.MatchExtCommunitySet = config.MatchExtCommunitySet{ExtCommunitySet: v.set.Name(), MatchSetOptions: config.IntToMatchSetOptionsTypeMap[int(v.option)]}
case *LargeCommunityCondition:
v := c.(*LargeCommunityCondition)
cond.BgpConditions.MatchLargeCommunitySet = config.MatchLargeCommunitySet{LargeCommunitySet: v.set.Name(), MatchSetOptions: config.IntToMatchSetOptionsTypeMap[int(v.option)]}
case *NextHopCondition:
v := c.(*NextHopCondition)
cond.BgpConditions.NextHopInList = v.set.List()
case *RpkiValidationCondition:
v := c.(*RpkiValidationCondition)
cond.BgpConditions.RpkiValidationResult = v.result
case *RouteTypeCondition:
v := c.(*RouteTypeCondition)
cond.BgpConditions.RouteType = v.typ
case *AfiSafiInCondition:
v := c.(*AfiSafiInCondition)
res := make([]config.AfiSafiType, 0, len(v.routeFamilies))
for _, rf := range v.routeFamilies {
res = append(res, config.AfiSafiType(rf.String()))
@@ -2741,21 +2705,21 @@ func (s *Statement) ToConfig() *config.Statement {
act.RouteDisposition = config.ROUTE_DISPOSITION_NONE
}
for _, a := range s.ModActions {
switch a.(type) {
switch v := a.(type) {
case *AsPathPrependAction:
act.BgpActions.SetAsPathPrepend = *a.(*AsPathPrependAction).ToConfig()
act.BgpActions.SetAsPathPrepend = *v.ToConfig()
case *CommunityAction:
act.BgpActions.SetCommunity = *a.(*CommunityAction).ToConfig()
act.BgpActions.SetCommunity = *v.ToConfig()
case *ExtCommunityAction:
act.BgpActions.SetExtCommunity = *a.(*ExtCommunityAction).ToConfig()
act.BgpActions.SetExtCommunity = *v.ToConfig()
case *LargeCommunityAction:
act.BgpActions.SetLargeCommunity = *a.(*LargeCommunityAction).ToConfig()
act.BgpActions.SetLargeCommunity = *v.ToConfig()
case *MedAction:
act.BgpActions.SetMed = a.(*MedAction).ToConfig()
act.BgpActions.SetMed = v.ToConfig()
case *LocalPrefAction:
act.BgpActions.SetLocalPref = a.(*LocalPrefAction).ToConfig()
act.BgpActions.SetLocalPref = v.ToConfig()
case *NexthopAction:
act.BgpActions.SetNextHop = a.(*NexthopAction).ToConfig()
act.BgpActions.SetNextHop = v.ToConfig()
}
}
return act
@@ -3114,9 +3078,6 @@ type RoutingPolicy struct {
}
func (r *RoutingPolicy) ApplyPolicy(id string, dir PolicyDirection, before *Path, options *PolicyOptions) *Path {
r.mu.RLock()
defer r.mu.RUnlock()
if before == nil {
return nil
}
@@ -3126,6 +3087,10 @@ func (r *RoutingPolicy) ApplyPolicy(id string, dir PolicyDirection, before *Path
}
result := ROUTE_TYPE_NONE
after := before
r.mu.RLock()
defer r.mu.RUnlock()
for _, p := range r.getPolicy(id, dir) {
result, after = p.Apply(after, options)
if result != ROUTE_TYPE_NONE {
@@ -3408,13 +3373,13 @@ func (r *RoutingPolicy) reload(c config.RoutingPolicy) error {
return err
}
if _, ok := pmap[y.Name]; ok {
return fmt.Errorf("duplicated policy name. policy name must be unique.")
return fmt.Errorf("duplicated policy name. policy name must be unique")
}
pmap[y.Name] = y
for _, s := range y.Statements {
_, ok := smap[s.Name]
if ok {
return fmt.Errorf("duplicated statement name. statement name must be unique.")
return fmt.Errorf("duplicated statement name. statement name must be unique")
}
smap[s.Name] = s
}
@@ -3445,18 +3410,24 @@ func (r *RoutingPolicy) reload(c config.RoutingPolicy) error {
}
func (r *RoutingPolicy) GetDefinedSet(typ DefinedType, name string) (*config.DefinedSets, error) {
r.mu.RLock()
dl, err := func() (DefinedSetList, error) {
r.mu.RLock()
defer r.mu.RUnlock()
set, ok := r.definedSetMap[typ]
if !ok {
return nil, fmt.Errorf("invalid defined-set type: %d", typ)
}
set, ok := r.definedSetMap[typ]
if !ok {
return nil, fmt.Errorf("invalid defined-set type: %d", typ)
}
var dl DefinedSetList
for _, s := range set {
dl = append(dl, s)
var dl DefinedSetList
for _, s := range set {
dl = append(dl, s)
}
return dl, nil
}()
if err != nil {
return nil, err
}
r.mu.RUnlock()
sort.Sort(dl)
@@ -3474,19 +3445,19 @@ func (r *RoutingPolicy) GetDefinedSet(typ DefinedType, name string) (*config.Def
if name != "" && s.Name() != name {
continue
}
switch s.(type) {
switch v := s.(type) {
case *PrefixSet:
sets.PrefixSets = append(sets.PrefixSets, *s.(*PrefixSet).ToConfig())
sets.PrefixSets = append(sets.PrefixSets, *v.ToConfig())
case *NeighborSet:
sets.NeighborSets = append(sets.NeighborSets, *s.(*NeighborSet).ToConfig())
sets.NeighborSets = append(sets.NeighborSets, *v.ToConfig())
case *CommunitySet:
sets.BgpDefinedSets.CommunitySets = append(sets.BgpDefinedSets.CommunitySets, *s.(*CommunitySet).ToConfig())
sets.BgpDefinedSets.CommunitySets = append(sets.BgpDefinedSets.CommunitySets, *v.ToConfig())
case *ExtCommunitySet:
sets.BgpDefinedSets.ExtCommunitySets = append(sets.BgpDefinedSets.ExtCommunitySets, *s.(*ExtCommunitySet).ToConfig())
sets.BgpDefinedSets.ExtCommunitySets = append(sets.BgpDefinedSets.ExtCommunitySets, *v.ToConfig())
case *LargeCommunitySet:
sets.BgpDefinedSets.LargeCommunitySets = append(sets.BgpDefinedSets.LargeCommunitySets, *s.(*LargeCommunitySet).ToConfig())
sets.BgpDefinedSets.LargeCommunitySets = append(sets.BgpDefinedSets.LargeCommunitySets, *v.ToConfig())
case *AsPathSet:
sets.BgpDefinedSets.AsPathSets = append(sets.BgpDefinedSets.AsPathSets, *s.(*AsPathSet).ToConfig())
sets.BgpDefinedSets.AsPathSets = append(sets.BgpDefinedSets.AsPathSets, *v.ToConfig())
}
}
return sets, nil
@@ -3591,16 +3562,19 @@ func (r *RoutingPolicy) DeleteStatement(st *Statement, all bool) (err error) {
}
func (r *RoutingPolicy) GetPolicy(name string) []*config.PolicyDefinition {
r.mu.RLock()
ps := func() Policies {
r.mu.RLock()
defer r.mu.RUnlock()
var ps Policies
for _, p := range r.policyMap {
if name != "" && name != p.Name {
continue
var ps Policies
for _, p := range r.policyMap {
if name != "" && name != p.Name {
continue
}
ps = append(ps, p)
}
ps = append(ps, p)
}
r.mu.RUnlock()
return ps
}()
sort.Sort(ps)
@@ -3827,32 +3801,59 @@ func (r *RoutingPolicy) SetPolicyAssignment(id string, dir PolicyDirection, poli
return err
}
func (r *RoutingPolicy) Reset(rp *config.RoutingPolicy, ap map[string]config.ApplyPolicy) error {
func (r *RoutingPolicy) Initialize() error {
r.mu.Lock()
defer r.mu.Unlock()
if rp != nil {
if err := r.reload(*rp); err != nil {
if err := r.reload(config.RoutingPolicy{}); err != nil {
log.WithFields(log.Fields{
"Topic": "Policy",
}).Errorf("failed to create routing policy: %s", err)
return err
}
return nil
}
func (r *RoutingPolicy) setPeerPolicy(id string, c config.ApplyPolicy) {
for _, dir := range []PolicyDirection{POLICY_DIRECTION_IMPORT, POLICY_DIRECTION_EXPORT} {
ps, def, err := r.getAssignmentFromConfig(dir, c)
if err != nil {
log.WithFields(log.Fields{
"Topic": "Policy",
}).Errorf("failed to create routing policy: %s", err)
return err
"Dir": dir,
}).Errorf("failed to get policy info: %s", err)
continue
}
r.setDefaultPolicy(id, dir, def)
r.setPolicy(id, dir, ps)
}
}
func (r *RoutingPolicy) SetPeerPolicy(peerId string, c config.ApplyPolicy) error {
r.mu.Lock()
defer r.mu.Unlock()
r.setPeerPolicy(peerId, c)
return nil
}
func (r *RoutingPolicy) Reset(rp *config.RoutingPolicy, ap map[string]config.ApplyPolicy) error {
if rp == nil {
return fmt.Errorf("routing Policy is nil in call to Reset")
}
r.mu.Lock()
defer r.mu.Unlock()
if err := r.reload(*rp); err != nil {
log.WithFields(log.Fields{
"Topic": "Policy",
}).Errorf("failed to create routing policy: %s", err)
return err
}
for id, c := range ap {
for _, dir := range []PolicyDirection{POLICY_DIRECTION_IMPORT, POLICY_DIRECTION_EXPORT} {
ps, def, err := r.getAssignmentFromConfig(dir, c)
if err != nil {
log.WithFields(log.Fields{
"Topic": "Policy",
"Dir": dir,
}).Errorf("failed to get policy info: %s", err)
continue
}
r.setDefaultPolicy(id, dir, def)
r.setPolicy(id, dir, ps)
}
r.setPeerPolicy(id, c)
}
return nil
}
@@ -3893,3 +3894,237 @@ type PolicyAssignment struct {
Policies []*Policy
Default RouteType
}
var _regexpMedActionType = regexp.MustCompile(`([+-]?)(\d+)`)
func toStatementApi(s *config.Statement) *api.Statement {
cs := &api.Conditions{}
o, _ := NewMatchOption(s.Conditions.MatchPrefixSet.MatchSetOptions)
if s.Conditions.MatchPrefixSet.PrefixSet != "" {
cs.PrefixSet = &api.MatchSet{
MatchType: api.MatchType(o),
Name: s.Conditions.MatchPrefixSet.PrefixSet,
}
}
if s.Conditions.MatchNeighborSet.NeighborSet != "" {
o, _ := NewMatchOption(s.Conditions.MatchNeighborSet.MatchSetOptions)
cs.NeighborSet = &api.MatchSet{
MatchType: api.MatchType(o),
Name: s.Conditions.MatchNeighborSet.NeighborSet,
}
}
if s.Conditions.BgpConditions.AsPathLength.Operator != "" {
cs.AsPathLength = &api.AsPathLength{
Length: s.Conditions.BgpConditions.AsPathLength.Value,
LengthType: api.AsPathLengthType(s.Conditions.BgpConditions.AsPathLength.Operator.ToInt()),
}
}
if s.Conditions.BgpConditions.MatchAsPathSet.AsPathSet != "" {
cs.AsPathSet = &api.MatchSet{
MatchType: api.MatchType(s.Conditions.BgpConditions.MatchAsPathSet.MatchSetOptions.ToInt()),
Name: s.Conditions.BgpConditions.MatchAsPathSet.AsPathSet,
}
}
if s.Conditions.BgpConditions.MatchCommunitySet.CommunitySet != "" {
cs.CommunitySet = &api.MatchSet{
MatchType: api.MatchType(s.Conditions.BgpConditions.MatchCommunitySet.MatchSetOptions.ToInt()),
Name: s.Conditions.BgpConditions.MatchCommunitySet.CommunitySet,
}
}
if s.Conditions.BgpConditions.MatchExtCommunitySet.ExtCommunitySet != "" {
cs.ExtCommunitySet = &api.MatchSet{
MatchType: api.MatchType(s.Conditions.BgpConditions.MatchExtCommunitySet.MatchSetOptions.ToInt()),
Name: s.Conditions.BgpConditions.MatchExtCommunitySet.ExtCommunitySet,
}
}
if s.Conditions.BgpConditions.MatchLargeCommunitySet.LargeCommunitySet != "" {
cs.LargeCommunitySet = &api.MatchSet{
MatchType: 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 {
afi, safi := bgp.RouteFamilyToAfiSafi(mapped)
afiSafiIn = append(afiSafiIn, &api.Family{Afi: api.Family_Afi(afi), Safi: api.Family_Safi(safi)})
}
}
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{
ActionType: 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,
ActionType: 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{
ActionType: 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{
ActionType: 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 NewAPIPolicyFromTableStruct(p *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 *PolicyAssignment) *api.PolicyAssignment {
return &api.PolicyAssignment{
Direction: func() api.PolicyDirection {
switch t.Type {
case POLICY_DIRECTION_IMPORT:
return api.PolicyDirection_IMPORT
case POLICY_DIRECTION_EXPORT:
return api.PolicyDirection_EXPORT
}
log.Errorf("invalid policy-type: %s", t.Type)
return api.PolicyDirection_UNKNOWN
}(),
DefaultAction: func() api.RouteAction {
switch t.Default {
case ROUTE_TYPE_ACCEPT:
return api.RouteAction_ACCEPT
case ROUTE_TYPE_REJECT:
return api.RouteAction_REJECT
}
return api.RouteAction_NONE
}(),
Name: t.Name,
Policies: func() []*api.Policy {
l := make([]*api.Policy, 0)
for _, p := range t.Policies {
l = append(l, NewAPIPolicyFromTableStruct(p))
}
return l
}(),
}
}
func NewAPIRoutingPolicyFromConfigStruct(c *config.RoutingPolicy) (*api.RoutingPolicy, error) {
definedSets, err := config.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{
DefinedSets: definedSets,
Policies: policies,
}, nil
}

View File

@@ -1,4 +1,4 @@
// Copyright (C) 2016 Nippon Telegraph and Telephone Corporation.
// Copyright (C) 2016-2019 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.
@@ -16,35 +16,35 @@
package table
import (
"fmt"
"net"
"sort"
"github.com/k-sone/critbitgo"
"github.com/osrg/gobgp/internal/pkg/config"
"github.com/osrg/gobgp/pkg/packet/bgp"
log "github.com/sirupsen/logrus"
)
type IPPrefix struct {
Prefix net.IP
Length uint8
}
func (p *IPPrefix) String() string {
return fmt.Sprintf("%s/%d", p.Prefix, p.Length)
}
type ROA struct {
Family int
Prefix *IPPrefix
MaxLen uint8
AS uint32
Src string
Family int
Network *net.IPNet
MaxLen uint8
AS uint32
Src string
}
func NewROA(family int, prefixByte []byte, prefixLen uint8, maxLen uint8, as uint32, src string) *ROA {
p := make([]byte, len(prefixByte))
bits := net.IPv4len * 8
if family == bgp.AFI_IP6 {
bits = net.IPv6len * 8
}
copy(p, prefixByte)
return &ROA{
Family: family,
Prefix: &IPPrefix{
Prefix: p,
Length: prefixLen,
Network: &net.IPNet{
IP: p,
Mask: net.CIDRMask(int(prefixLen), bits),
},
MaxLen: maxLen,
AS: as,
@@ -58,3 +58,240 @@ func (r *ROA) Equal(roa *ROA) bool {
}
return false
}
type roaBucket struct {
network *net.IPNet
entries []*ROA
}
func (r *roaBucket) GetEntries() []*ROA {
return r.entries
}
type ROATable struct {
trees map[bgp.RouteFamily]*critbitgo.Net
}
func NewROATable() *ROATable {
m := make(map[bgp.RouteFamily]*critbitgo.Net)
m[bgp.RF_IPv4_UC] = critbitgo.NewNet()
m[bgp.RF_IPv6_UC] = critbitgo.NewNet()
return &ROATable{
trees: m,
}
}
func (rt *ROATable) roa2tree(roa *ROA) *critbitgo.Net {
tree := rt.trees[bgp.RF_IPv4_UC]
if roa.Family == bgp.AFI_IP6 {
tree = rt.trees[bgp.RF_IPv6_UC]
}
return tree
}
func (rt *ROATable) getBucket(roa *ROA) *roaBucket {
tree := rt.roa2tree(roa)
b, ok, _ := tree.Get(roa.Network)
if !ok {
b := &roaBucket{
network: roa.Network,
entries: make([]*ROA, 0),
}
tree.Add(roa.Network, b)
return b
}
return b.(*roaBucket)
}
func (rt *ROATable) Add(roa *ROA) {
b := rt.getBucket(roa)
for _, r := range b.entries {
if r.Equal(roa) {
// we already have the same one
return
}
}
b.entries = append(b.entries, roa)
sort.Slice(b.entries, func(i, j int) bool {
r1 := b.entries[i]
r2 := b.entries[j]
if r1.MaxLen < r2.MaxLen {
return true
} else if r1.MaxLen > r2.MaxLen {
return false
}
if r1.AS < r2.AS {
return true
}
return false
})
}
func (rt *ROATable) Delete(roa *ROA) {
tree := rt.roa2tree(roa)
if b, ok, _ := tree.Get(roa.Network); ok {
bucket := b.(*roaBucket)
for i, r := range bucket.entries {
if r.Equal(roa) {
bucket.entries = append(bucket.entries[:i], bucket.entries[i+1:]...)
return
}
}
}
log.WithFields(log.Fields{
"Topic": "rpki",
"Network": roa.Network.String(),
"AS": roa.AS,
"Max Length": roa.MaxLen,
}).Info("Can't withdraw a ROA")
}
func (rt *ROATable) DeleteAll(network string) {
for _, tree := range rt.trees {
deleteNetworks := make([]*net.IPNet, 0, tree.Size())
tree.Walk(nil, func(n *net.IPNet, v interface{}) bool {
b, _ := v.(*roaBucket)
newEntries := make([]*ROA, 0, len(b.entries))
for _, r := range b.entries {
if r.Src != network {
newEntries = append(newEntries, r)
}
}
if len(newEntries) > 0 {
b.entries = newEntries
} else {
deleteNetworks = append(deleteNetworks, n)
}
return true
})
for _, key := range deleteNetworks {
tree.Delete(key)
}
}
}
func (rt *ROATable) Validate(path *Path) *Validation {
if path.IsWithdraw || path.IsEOR() {
// RPKI isn't enabled or invalid path
return nil
}
tree, ok := rt.trees[path.GetRouteFamily()]
if !ok {
return nil
}
ownAs := path.OriginInfo().source.LocalAS
asPath := path.GetAsPath()
var as uint32
validation := &Validation{
Status: config.RPKI_VALIDATION_RESULT_TYPE_NOT_FOUND,
Reason: RPKI_VALIDATION_REASON_TYPE_NONE,
Matched: make([]*ROA, 0),
UnmatchedLength: make([]*ROA, 0),
UnmatchedAs: make([]*ROA, 0),
}
if asPath == nil || len(asPath.Value) == 0 {
as = ownAs
} else {
param := asPath.Value[len(asPath.Value)-1]
switch param.GetType() {
case bgp.BGP_ASPATH_ATTR_TYPE_SEQ:
asList := param.GetAS()
if len(asList) == 0 {
as = ownAs
} else {
as = asList[len(asList)-1]
}
case bgp.BGP_ASPATH_ATTR_TYPE_CONFED_SET, bgp.BGP_ASPATH_ATTR_TYPE_CONFED_SEQ:
as = ownAs
default:
return validation
}
}
r := nlriToIPNet(path.GetNlri())
prefixLen, _ := r.Mask.Size()
var bucket *roaBucket
tree.WalkMatch(r, func(r *net.IPNet, v interface{}) bool {
bucket, _ = v.(*roaBucket)
for _, r := range bucket.entries {
if prefixLen <= int(r.MaxLen) {
if r.AS != 0 && r.AS == as {
validation.Matched = append(validation.Matched, r)
} else {
validation.UnmatchedAs = append(validation.UnmatchedAs, r)
}
} else {
validation.UnmatchedLength = append(validation.UnmatchedLength, r)
}
}
return true
})
if len(validation.Matched) != 0 {
validation.Status = config.RPKI_VALIDATION_RESULT_TYPE_VALID
validation.Reason = RPKI_VALIDATION_REASON_TYPE_NONE
} else if len(validation.UnmatchedAs) != 0 {
validation.Status = config.RPKI_VALIDATION_RESULT_TYPE_INVALID
validation.Reason = RPKI_VALIDATION_REASON_TYPE_AS
} else if len(validation.UnmatchedLength) != 0 {
validation.Status = config.RPKI_VALIDATION_RESULT_TYPE_INVALID
validation.Reason = RPKI_VALIDATION_REASON_TYPE_LENGTH
} else {
validation.Status = config.RPKI_VALIDATION_RESULT_TYPE_NOT_FOUND
validation.Reason = RPKI_VALIDATION_REASON_TYPE_NONE
}
return validation
}
func (rt *ROATable) Info(family bgp.RouteFamily) (map[string]uint32, map[string]uint32) {
records := make(map[string]uint32)
prefixes := make(map[string]uint32)
if tree, ok := rt.trees[family]; ok {
tree.Walk(nil, func(_ *net.IPNet, v interface{}) bool {
b, _ := v.(*roaBucket)
tmpRecords := make(map[string]uint32)
for _, roa := range b.entries {
tmpRecords[roa.Src]++
}
for src, r := range tmpRecords {
if r > 0 {
records[src] += r
prefixes[src]++
}
}
return true
})
}
return records, prefixes
}
func (rt *ROATable) List(family bgp.RouteFamily) ([]*ROA, error) {
var rfList []bgp.RouteFamily
switch family {
case bgp.RF_IPv4_UC:
rfList = []bgp.RouteFamily{bgp.RF_IPv4_UC}
case bgp.RF_IPv6_UC:
rfList = []bgp.RouteFamily{bgp.RF_IPv6_UC}
default:
rfList = []bgp.RouteFamily{bgp.RF_IPv4_UC, bgp.RF_IPv6_UC}
}
l := make([]*ROA, 0)
for _, rf := range rfList {
if tree, ok := rt.trees[rf]; ok {
tree.Walk(nil, func(_ *net.IPNet, v interface{}) bool {
b, _ := v.(*roaBucket)
l = append(l, b.entries...)
return true
})
}
}
return l, nil
}

View File

@@ -17,11 +17,12 @@ package table
import (
"fmt"
"math/bits"
"net"
"strings"
"unsafe"
"github.com/armon/go-radix"
"github.com/k-sone/critbitgo"
"github.com/osrg/gobgp/pkg/packet/bgp"
log "github.com/sirupsen/logrus"
)
@@ -75,13 +76,13 @@ func (t *Table) deletePathsByVrf(vrf *Vrf) []*Path {
for _, p := range dest.knownPathList {
var rd bgp.RouteDistinguisherInterface
nlri := p.GetNlri()
switch nlri.(type) {
switch v := nlri.(type) {
case *bgp.LabeledVPNIPAddrPrefix:
rd = nlri.(*bgp.LabeledVPNIPAddrPrefix).RD
rd = v.RD
case *bgp.LabeledVPNIPv6AddrPrefix:
rd = nlri.(*bgp.LabeledVPNIPv6AddrPrefix).RD
rd = v.RD
case *bgp.EVPNNLRI:
rd = nlri.(*bgp.EVPNNLRI).RD()
rd = v.RD()
default:
return pathList
}
@@ -117,15 +118,14 @@ func (t *Table) deleteRTCPathsByVrf(vrf *Vrf, vrfs map[string]*Vrf) []*Path {
return pathList
}
func (t *Table) deleteDestByNlri(nlri bgp.AddrPrefixInterface) *Destination {
if dst := t.GetDestination(nlri); dst != nil {
t.deleteDest(dst)
return dst
}
return nil
}
func (t *Table) deleteDest(dest *Destination) {
count := 0
for _, v := range dest.localIdMap.bitmap {
count += bits.OnesCount64(v)
}
if len(dest.localIdMap.bitmap) != 0 && count != 1 {
return
}
destinations := t.GetDestinations()
delete(destinations, t.tableKey(dest.GetNlri()))
if len(destinations) == 0 {
@@ -175,7 +175,7 @@ func (t *Table) validatePath(path *Path) {
}
}
func (t *Table) getOrCreateDest(nlri bgp.AddrPrefixInterface) *Destination {
func (t *Table) getOrCreateDest(nlri bgp.AddrPrefixInterface, size int) *Destination {
dest := t.GetDestination(nlri)
// If destination for given prefix does not exist we create it.
if dest == nil {
@@ -183,7 +183,7 @@ func (t *Table) getOrCreateDest(nlri bgp.AddrPrefixInterface) *Destination {
"Topic": "Table",
"Nlri": nlri,
}).Debugf("create Destination")
dest = NewDestination(nlri, 64)
dest = NewDestination(nlri, size)
t.setDestination(dest)
}
return dest
@@ -212,14 +212,13 @@ func (t *Table) GetLongerPrefixDestinations(key string) ([]*Destination, error)
if err != nil {
return nil, err
}
k := CidrToRadixkey(prefix.String())
r := radix.New()
r := critbitgo.NewNet()
for _, dst := range t.GetDestinations() {
r.Insert(AddrToRadixkey(dst.nlri), dst)
r.Add(nlriToIPNet(dst.nlri), dst)
}
r.WalkPrefix(k, func(s string, v interface{}) bool {
r.WalkPrefix(prefix, func(_ *net.IPNet, v interface{}) bool {
results = append(results, v.(*Destination))
return false
return true
})
default:
for _, dst := range t.GetDestinations() {
@@ -435,13 +434,45 @@ type TableInfo struct {
NumAccepted int
}
func (t *Table) Info(id string, as uint32) *TableInfo {
type TableInfoOptions struct {
ID string
AS uint32
VRF *Vrf
}
func (t *Table) Info(option ...TableInfoOptions) *TableInfo {
var numD, numP int
id := GLOBAL_RIB_NAME
var vrf *Vrf
as := uint32(0)
for _, o := range option {
if o.ID != "" {
id = o.ID
}
if o.VRF != nil {
vrf = o.VRF
}
as = o.AS
}
for _, d := range t.destinations {
ps := d.GetKnownPathList(id, as)
if len(ps) > 0 {
numD += 1
numP += len(ps)
paths := d.GetKnownPathList(id, as)
n := len(paths)
if vrf != nil {
ps := make([]*Path, 0, len(paths))
for _, p := range paths {
if CanImportToVrf(vrf, p) {
ps = append(ps, p.ToLocal())
}
}
n = len(ps)
}
if n != 0 {
numD++
numP += n
}
}
return &TableInfo{

View File

@@ -166,11 +166,12 @@ func (manager *TableManager) DeleteVrf(name string) ([]*Path, error) {
msgs = append(msgs, t.deletePathsByVrf(vrf)...)
}
log.WithFields(log.Fields{
"Topic": "Vrf",
"Key": vrf.Name,
"Rd": vrf.Rd,
"ImportRt": vrf.ImportRt,
"ExportRt": vrf.ExportRt,
"Topic": "Vrf",
"Key": vrf.Name,
"Rd": vrf.Rd,
"ImportRt": vrf.ImportRt,
"ExportRt": vrf.ExportRt,
"MplsLabel": vrf.MplsLabel,
}).Debugf("delete vrf")
delete(manager.Vrfs, name)
rtcTable := manager.Tables[bgp.RF_RTC_UC]
@@ -181,7 +182,7 @@ func (manager *TableManager) DeleteVrf(name string) ([]*Path, error) {
func (tm *TableManager) update(newPath *Path) *Update {
t := tm.Tables[newPath.GetRouteFamily()]
t.validatePath(newPath)
dst := t.getOrCreateDest(newPath.GetNlri())
dst := t.getOrCreateDest(newPath.GetNlri(), 64)
u := dst.Calculate(newPath)
if len(dst.knownPathList) == 0 {
t.deleteDest(dst)
@@ -189,21 +190,6 @@ func (tm *TableManager) update(newPath *Path) *Update {
return u
}
func (manager *TableManager) GetPathListByPeer(info *PeerInfo, rf bgp.RouteFamily) []*Path {
if t, ok := manager.Tables[rf]; ok {
pathList := make([]*Path, 0, len(t.destinations))
for _, dst := range t.destinations {
for _, p := range dst.knownPathList {
if p.GetSource().Equal(info) {
pathList = append(pathList, p)
}
}
}
return pathList
}
return nil
}
func (manager *TableManager) Update(newPath *Path) []*Update {
if newPath == nil || newPath.IsEOR() {
return nil
@@ -232,6 +218,12 @@ func (manager *TableManager) Update(newPath *Path) []*Update {
// different Ethernet segment identifier and a higher sequence number
// than that which it had previously advertised withdraws its MAC/IP
// Advertisement route.
// ......
// If the PE is the originator of the MAC route and it receives the same
// MAC address with the same sequence number that it generated, it will
// compare its own IP address with the IP address of the remote PE and
// will select the lowest IP. If its own route is not the best one, it
// will withdraw the route.
func (manager *TableManager) handleMacMobility(path *Path) []*Path {
pathList := make([]*Path, 0)
nlri := path.GetNlri().(*bgp.EVPNNLRI)
@@ -242,7 +234,7 @@ func (manager *TableManager) handleMacMobility(path *Path) []*Path {
if !path2.IsLocal() || path2.GetNlri().(*bgp.EVPNNLRI).RouteType != bgp.EVPN_ROUTE_TYPE_MAC_IP_ADVERTISEMENT {
continue
}
f := func(p *Path) (bgp.EthernetSegmentIdentifier, net.HardwareAddr, int) {
f := func(p *Path) (bgp.EthernetSegmentIdentifier, uint32, net.HardwareAddr, int, net.IP) {
nlri := p.GetNlri().(*bgp.EVPNNLRI)
d := nlri.RouteTypeData.(*bgp.EVPNMacIPAdvertisementRoute)
ecs := p.GetExtCommunities()
@@ -253,12 +245,14 @@ func (manager *TableManager) handleMacMobility(path *Path) []*Path {
break
}
}
return d.ESI, d.MacAddress, seq
return d.ESI, d.ETag, d.MacAddress, seq, p.info.source.Address
}
e1, m1, s1 := f(path)
e2, m2, s2 := f(path2)
if bytes.Equal(m1, m2) && !bytes.Equal(e1.Value, e2.Value) && s1 > s2 {
pathList = append(pathList, path2.Clone(true))
e1, et1, m1, s1, i1 := f(path)
e2, et2, m2, s2, i2 := f(path2)
if et1 == et2 && bytes.Equal(m1, m2) && !bytes.Equal(e1.Value, e2.Value) {
if s1 > s2 || s1 == s2 && bytes.Compare(i1, i2) < 0 {
pathList = append(pathList, path2.Clone(true))
}
}
}
return pathList
@@ -360,11 +354,3 @@ func (manager *TableManager) GetDestination(path *Path) *Destination {
}
return t.GetDestination(path.GetNlri())
}
func (manager *TableManager) TableInfo(id string, as uint32, family bgp.RouteFamily) (*TableInfo, error) {
t, ok := manager.Tables[family]
if !ok {
return nil, fmt.Errorf("address family %s is not configured", family)
}
return t.Info(id, as), nil
}

View File

@@ -20,11 +20,12 @@ import (
)
type Vrf struct {
Name string
Id uint32
Rd bgp.RouteDistinguisherInterface
ImportRt []bgp.ExtendedCommunityInterface
ExportRt []bgp.ExtendedCommunityInterface
Name string
Id uint32
Rd bgp.RouteDistinguisherInterface
ImportRt []bgp.ExtendedCommunityInterface
ExportRt []bgp.ExtendedCommunityInterface
MplsLabel uint32
}
func (v *Vrf) Clone() *Vrf {
@@ -33,11 +34,12 @@ func (v *Vrf) Clone() *Vrf {
return append(l, rt...)
}
return &Vrf{
Name: v.Name,
Id: v.Id,
Rd: v.Rd,
ImportRt: f(v.ImportRt),
ExportRt: f(v.ExportRt),
Name: v.Name,
Id: v.Id,
Rd: v.Rd,
ImportRt: f(v.ImportRt),
ExportRt: f(v.ExportRt),
MplsLabel: v.MplsLabel,
}
}