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package server
import (
"context"
"log"
"net"
"testing"
"time"
"github.com/bio-routing/bio-rd/protocols/bgp/api"
"github.com/bio-routing/bio-rd/protocols/bgp/packet"
"github.com/bio-routing/bio-rd/protocols/bgp/types"
"github.com/bio-routing/bio-rd/route"
routeapi "github.com/bio-routing/bio-rd/route/api"
"github.com/bio-routing/bio-rd/routingtable"
"github.com/bio-routing/bio-rd/routingtable/adjRIBIn"
"github.com/bio-routing/bio-rd/routingtable/adjRIBOut"
"github.com/bio-routing/bio-rd/routingtable/filter"
"github.com/stretchr/testify/assert"
"google.golang.org/grpc"
"google.golang.org/grpc/test/bufconn"
bnet "github.com/bio-routing/bio-rd/net"
)
func TestDumpRIBInOut(t *testing.T) {
tests := []struct {
name string
apisrv *BGPAPIServer
addRoutes []*route.Route
req *api.DumpRIBRequest
expected []*routeapi.Route
wantFail bool
}{
{
name: "Test #0: Non existent peer",
apisrv: &BGPAPIServer{
srv: &bgpServer{
peers: &peerManager{
peers: map[bnet.IP]*peer{},
},
},
},
addRoutes: []*route.Route{},
req: &api.DumpRIBRequest{
Peer: bnet.IPv4FromOctets(10, 0, 0, 0).ToProto(),
Afi: packet.IPv4AFI,
Safi: packet.UnicastSAFI,
},
expected: []*routeapi.Route{},
wantFail: false,
},
{
name: "Test #1: No routes given",
apisrv: &BGPAPIServer{
srv: &bgpServer{
peers: &peerManager{
peers: map[bnet.IP]*peer{
bnet.IPv4FromOctets(10, 0, 0, 0): {
fsms: []*FSM{
0: {
ipv4Unicast: &fsmAddressFamily{
adjRIBIn: adjRIBIn.New(filter.NewAcceptAllFilter(), nil, 0, 0, true),
adjRIBOut: adjRIBOut.New(&routingtable.Neighbor{Type: route.BGPPathType}, filter.NewAcceptAllFilter(), true),
},
},
},
},
},
},
},
},
addRoutes: []*route.Route{},
req: &api.DumpRIBRequest{
Peer: bnet.IPv4FromOctets(10, 0, 0, 0).ToProto(),
Afi: packet.IPv4AFI,
Safi: packet.UnicastSAFI,
},
expected: []*routeapi.Route{},
wantFail: false,
},
{
name: "Test #2: One simple routes given",
apisrv: &BGPAPIServer{
srv: &bgpServer{
peers: &peerManager{
peers: map[bnet.IP]*peer{
bnet.IPv4FromOctets(10, 0, 0, 0): {
fsms: []*FSM{
0: {
ipv4Unicast: &fsmAddressFamily{
adjRIBIn: adjRIBIn.New(filter.NewAcceptAllFilter(), nil, 0, 0, true),
adjRIBOut: adjRIBOut.New(&routingtable.Neighbor{Type: route.BGPPathType, RouteServerClient: true}, filter.NewAcceptAllFilter(), false),
},
},
},
},
},
},
},
},
addRoutes: []*route.Route{
route.NewRoute(bnet.NewPfx(bnet.IPv4FromOctets(20, 0, 0, 0), 16), &route.Path{
Type: route.BGPPathType,
BGPPath: &route.BGPPath{
OriginatorID: 1,
NextHop: bnet.IPv4FromOctets(100, 100, 100, 100),
Source: bnet.IPv4FromOctets(100, 100, 100, 100),
},
}),
},
req: &api.DumpRIBRequest{
Peer: bnet.IPv4FromOctets(10, 0, 0, 0).ToProto(),
Afi: packet.IPv4AFI,
Safi: packet.UnicastSAFI,
},
expected: []*routeapi.Route{
{
Pfx: bnet.NewPfx(bnet.IPv4FromOctets(20, 0, 0, 0), 16).ToProto(),
Paths: []*routeapi.Path{
{
Type: routeapi.Path_BGP,
OriginatorId: 1,
NextHop: bnet.IPv4FromOctets(100, 100, 100, 100).ToProto(),
Source: bnet.IPv4FromOctets(100, 100, 100, 100).ToProto(),
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Communities: nil,
LargeCommunities: nil,
UnknownAttributes: nil,
ClusterList: nil,
},
},
},
},
},
wantFail: false,
},
{
name: "Test #3: One complex routes given",
apisrv: &BGPAPIServer{
srv: &bgpServer{
peers: &peerManager{
peers: map[bnet.IP]*peer{
bnet.IPv4FromOctets(10, 0, 0, 0): {
fsms: []*FSM{
0: {
ipv4Unicast: &fsmAddressFamily{
adjRIBIn: adjRIBIn.New(filter.NewAcceptAllFilter(), routingtable.NewContributingASNs(), 0, 0, true),
adjRIBOut: adjRIBOut.New(&routingtable.Neighbor{Type: route.BGPPathType, RouteServerClient: true}, filter.NewAcceptAllFilter(), false),
},
},
},
},
},
},
},
},
addRoutes: []*route.Route{
route.NewRoute(bnet.NewPfx(bnet.IPv4FromOctets(20, 0, 0, 0), 16), &route.Path{
Type: route.BGPPathType,
BGPPath: &route.BGPPath{
OriginatorID: 1,
NextHop: bnet.IPv4FromOctets(100, 100, 100, 100),
Source: bnet.IPv4FromOctets(100, 100, 100, 100),
ASPath: types.ASPath{
types.ASPathSegment{
Type: types.ASSequence,
ASNs: []uint32{15169, 3320},
},
},
Communities: []uint32{100, 200, 300},
LargeCommunities: []types.LargeCommunity{
{
GlobalAdministrator: 1,
DataPart1: 2,
DataPart2: 3,
},
},
LocalPref: 1000,
MED: 2000,
UnknownAttributes: []types.UnknownPathAttribute{
{
Optional: true,
Transitive: true,
Partial: true,
TypeCode: 222,
Value: []byte{0xff, 0xff},
},
},
ClusterList: []uint32{},
},
}),
},
req: &api.DumpRIBRequest{
Peer: bnet.IPv4FromOctets(10, 0, 0, 0).ToProto(),
Afi: packet.IPv4AFI,
Safi: packet.UnicastSAFI,
},
expected: []*routeapi.Route{
{
Pfx: bnet.NewPfx(bnet.IPv4FromOctets(20, 0, 0, 0), 16).ToProto(),
Paths: []*routeapi.Path{
{
Type: routeapi.Path_BGP,
OriginatorId: 1,
LocalPref: 1000,
NextHop: bnet.IPv4FromOctets(100, 100, 100, 100).ToProto(),
Source: bnet.IPv4FromOctets(100, 100, 100, 100).ToProto(),
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},
},
Communities: []uint32{100, 200, 300},
LargeCommunities: []*routeapi.LargeCommunity{
{
GlobalAdministrator: 1,
DataPart1: 2,
DataPart2: 3,
},
},
ClusterList: nil,
UnknownAttributes: []*routeapi.UnknownPathAttribute{
{
Optional: true,
Transitive: true,
Partial: true,
TypeCode: 222,
Value: []byte{0xff, 0xff},
},
},
},
},
},
},
},
wantFail: false,
},
}
// Test RIBin
for _, test := range tests {
for _, r := range test.addRoutes {
for _, p := range r.Paths() {
test.apisrv.srv.(*bgpServer).peers.peers[bnet.IPv4FromOctets(10, 0, 0, 0)].fsms[0].ipv4Unicast.adjRIBIn.AddPath(r.Prefix(), p)
}
}
bufSize := 1024 * 1024
lis := bufconn.Listen(bufSize)
s := grpc.NewServer()
api.RegisterBgpServiceServer(s, test.apisrv)
go func() {
if err := s.Serve(lis); err != nil {
log.Fatalf("Server exited with error: %v", err)
}
}()
ctx := context.Background()
conn, err := grpc.DialContext(ctx, "bufnet", grpc.WithDialer(func(string, time.Duration) (net.Conn, error) {
return lis.Dial()
}), grpc.WithInsecure())
if err != nil {
t.Fatalf("Failed to dial bufnet: %v", err)
}
defer conn.Close()
client := api.NewBgpServiceClient(conn)
streamClient, err := client.DumpRIBIn(ctx, test.req)
if err != nil {
t.Fatalf("AdjRIBInStream client call failed: %v", err)
}
res := make([]*routeapi.Route, 0)
for {
r, err := streamClient.Recv()
if err != nil {
break
}
res = append(res, r)
}
assert.Equal(t, test.expected, res, test.name)
}
// Test RIBout
for _, test := range tests {
for _, r := range test.addRoutes {
for _, p := range r.Paths() {
test.apisrv.srv.(*bgpServer).peers.peers[bnet.IPv4FromOctets(10, 0, 0, 0)].fsms[0].ipv4Unicast.adjRIBOut.AddPath(r.Prefix(), p)
}
}
bufSize := 1024 * 1024
lis := bufconn.Listen(bufSize)
s := grpc.NewServer()
api.RegisterBgpServiceServer(s, test.apisrv)
go func() {
if err := s.Serve(lis); err != nil {
log.Fatalf("Server exited with error: %v", err)
}
}()
ctx := context.Background()
conn, err := grpc.DialContext(ctx, "bufnet", grpc.WithDialer(func(string, time.Duration) (net.Conn, error) {
return lis.Dial()
}), grpc.WithInsecure())
if err != nil {
t.Fatalf("Failed to dial bufnet: %v", err)
}
defer conn.Close()
client := api.NewBgpServiceClient(conn)
streamClient, err := client.DumpRIBOut(ctx, test.req)
if err != nil {
t.Fatalf("AdjRIBInStream client call failed: %v", err)
}
res := make([]*routeapi.Route, 0)
for {
r, err := streamClient.Recv()
if err != nil {
break
}
res = append(res, r)
}
assert.Equal(t, test.expected, res, test.name)
}
}