func (s *Server) GetRib(ctx context.Context, arg *GetRibRequest) (*GetRibResponse, error) {
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
family := bgp.RouteFamily(arg.Table.Family)
switch arg.Table.Type {
case Resource_LOCAL, Resource_GLOBAL:
tbl, err = s.bgpServer.GetRib(arg.Table.Name, family, f())
case Resource_ADJ_IN:
in = true
fallthrough
case Resource_ADJ_OUT:
tbl, err = s.bgpServer.GetAdjRib(arg.Table.Name, family, in, f())
case 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
}
dsts := []*Destination{}
for _, dst := range tbl.GetDestinations() {
dsts = append(dsts, &Destination{
Prefix: dst.GetNlri().String(),
Paths: func(paths []*table.Path) []*Path {
l := make([]*Path, 0, len(paths))
for i, p := range paths {
pp := ToPathApi(p)
switch arg.Table.Type {
case Resource_LOCAL, Resource_GLOBAL:
if i == 0 {
pp.Best = true
}
}
l = append(l, pp)
}
return l
}(dst.GetAllKnownPathList()),
})
}
return &GetRibResponse{Table: &Table{
Type: arg.Table.Type,
Family: arg.Table.Family,
Destinations: dsts},
}, err
}
func showNeighborRib(r string, name string, args []string) error {
showBest := false
showAge := true
showLabel := false
def := addr2AddressFamily(net.ParseIP(name))
switch r {
case CMD_GLOBAL:
def = bgp.RF_IPv4_UC
showBest = true
case CMD_LOCAL:
showBest = true
case CMD_ADJ_OUT:
showAge = false
case CMD_VRF:
def = bgp.RF_IPv4_UC
}
family, err := checkAddressFamily(def)
if err != nil {
return err
}
switch family {
case bgp.RF_IPv4_MPLS, bgp.RF_IPv6_MPLS, bgp.RF_IPv4_VPN, bgp.RF_IPv6_VPN:
showLabel = true
}
var filter []*table.LookupPrefix
if len(args) > 0 {
var option table.LookupOption
if len(args) > 1 {
if args[1] == "longer-prefixes" {
option = table.LOOKUP_LONGER
} else if args[1] == "shorter-prefixes" {
option = table.LOOKUP_SHORTER
} else {
return fmt.Errorf("invalid format for route filtering")
}
}
filter = []*table.LookupPrefix{&table.LookupPrefix{
Prefix: args[0],
LookupOption: option,
},
}
}
var rib *table.Table
switch r {
case CMD_GLOBAL:
rib, err = client.GetRIB(family, filter)
case CMD_LOCAL:
rib, err = client.GetLocalRIB(name, family, filter)
case CMD_ADJ_IN, CMD_ACCEPTED, CMD_REJECTED:
rib, err = client.GetAdjRIBIn(name, family, filter)
case CMD_ADJ_OUT:
rib, err = client.GetAdjRIBOut(name, family, filter)
case CMD_VRF:
rib, err = client.GetVRFRIB(name, family, filter)
}
if err != nil {
return err
}
switch r {
case CMD_LOCAL, CMD_ADJ_IN, CMD_ACCEPTED, CMD_REJECTED, CMD_ADJ_OUT:
if rib.Info("").NumDestination == 0 {
peer, err := getNeighbor(name)
if err != nil {
return err
}
if peer.State.SessionState != config.SESSION_STATE_ESTABLISHED {
return fmt.Errorf("Neighbor %v's BGP session is not established", name)
}
}
}
if globalOpts.Json {
j, _ := json.Marshal(rib.GetDestinations())
fmt.Println(string(j))
return nil
}
counter := 0
for _, d := range rib.GetSortedDestinations() {
var ps []*table.Path
if r == CMD_ACCEPTED || r == CMD_REJECTED {
for _, p := range d.GetAllKnownPathList() {
switch r {
case CMD_ACCEPTED:
if p.Filtered("") > table.POLICY_DIRECTION_NONE {
continue
}
case CMD_REJECTED:
if p.Filtered("") == table.POLICY_DIRECTION_NONE {
continue
}
}
ps = append(ps, p)
}
} else {
ps = d.GetAllKnownPathList()
}
if counter == 0 {
ShowRoute(ps, showAge, showBest, showLabel, false, true)
} else {
ShowRoute(ps, showAge, showBest, showLabel, false, false)
}
counter++
}
if counter == 0 {
fmt.Println("Network not in table")
}
return nil
}