func (m *OpsManager) GobgpMonitor(ready *bool) {
time.Sleep(time.Duration(time.Second * 2))
reqCh := m.grpcCh
family := bgp.RF_IPv4_UC
arg := &api.Arguments{
Resource: api.Resource_GLOBAL,
Family: uint32(family),
}
for {
if !*ready {
return
}
req := server.NewGrpcRequest(server.REQ_MONITOR_GLOBAL_BEST_CHANGED, "", bgp.RouteFamily(0), arg)
reqCh <- req
res := <-req.ResponseCh
if err := res.Err(); err != nil {
log.WithFields(log.Fields{
"Topic": "openswitch",
"Type": "Monitor",
"RequestType": req.RequestType,
"Err": err,
}).Error("grpc operation failed")
}
d := res.Data.(*api.Destination)
bPath := d.Paths[0]
if bPath.IsFromExternal && !bPath.IsWithdraw {
continue
}
p, err := cmd.ApiStruct2Path(bPath)
if err != nil {
log.WithFields(log.Fields{
"Topic": "openswitch",
"Type": "MonitorRequest",
"Err": err,
}).Error("failed parse path of gobgp")
}
o, err := m.TransactPreparation(p)
if err != nil {
log.WithFields(log.Fields{
"Topic": "openswitch",
"Type": "Monitor",
"Err": err,
}).Error("failed transact preparation of ops")
}
m.opsCh <- o
}
}
func (m *OpsManager) GobgpMonitor(target string) {
time.Sleep(time.Duration(time.Second * 2))
conn, err := grpc.Dial(target, grpc.WithTimeout(time.Second), grpc.WithBlock(), grpc.WithInsecure())
if err != nil {
log.Fatal(err)
}
cli := api.NewGobgpApiClient(conn)
stream, err := cli.MonitorRib(context.Background(), &api.Table{
Type: api.Resource_GLOBAL,
Family: uint32(bgp.RF_IPv4_UC),
})
for {
d, err := stream.Recv()
bPath := d.Paths[0]
if bPath.IsFromExternal && !bPath.IsWithdraw {
continue
}
p, err := cmd.ApiStruct2Path(bPath)
if err != nil {
log.WithFields(log.Fields{
"Topic": "openswitch",
"Type": "MonitorRequest",
"Error": err,
}).Error("failed parse path of gobgp")
}
o, err := m.TransactPreparation(p)
if err != nil {
log.WithFields(log.Fields{
"Topic": "openswitch",
"Type": "Monitor",
"Error": err,
}).Error("failed transact preparation of ops")
}
m.opsCh <- o
}
}
func Test_createRequestFromIPRouteMessage(t *testing.T) {
assert := assert.New(t)
m := &zebra.Message{}
h := &zebra.Header{
Len: zebra.HEADER_SIZE,
Marker: zebra.HEADER_MARKER,
Version: zebra.VERSION,
Command: zebra.IPV4_ROUTE_ADD,
}
b := &zebra.IPRouteBody{
Type: zebra.ROUTE_TYPE(zebra.ROUTE_STATIC),
Flags: zebra.FLAG(zebra.FLAG_SELECTED),
Message: zebra.MESSAGE_NEXTHOP | zebra.MESSAGE_DISTANCE | zebra.MESSAGE_METRIC,
SAFI: zebra.SAFI(zebra.SAFI_UNICAST),
Prefix: net.ParseIP("192.168.100.0"),
PrefixLength: uint8(24),
Nexthops: []net.IP{net.ParseIP("0.0.0.0")},
Ifindexs: []uint32{1},
Distance: uint8(0),
Metric: uint32(100),
Api: zebra.API_TYPE(zebra.IPV4_ROUTE_ADD),
}
m.Header = *h
m.Body = b
p := createRequestFromIPRouteMessage(m)
assert.NotNil(p)
paths, err := cmd.ApiStruct2Path(p.Path)
assert.Nil(err)
assert.Equal(len(paths), 1)
path := paths[0]
pp := table.NewPath(nil, path.Nlri, path.IsWithdraw, path.PathAttrs, time.Now(), false)
pp.SetIsFromExternal(p.Path.IsFromExternal)
assert.Equal("0.0.0.0", pp.GetNexthop().String())
assert.Equal("192.168.100.0/24", pp.GetNlri().String())
assert.True(pp.IsFromExternal())
assert.False(pp.IsWithdraw)
// withdraw
h.Command = zebra.IPV4_ROUTE_DELETE
m.Header = *h
p = createRequestFromIPRouteMessage(m)
assert.NotNil(p)
paths, err = cmd.ApiStruct2Path(p.Path)
assert.Nil(err)
assert.Equal(len(paths), 1)
path = paths[0]
pp = table.NewPath(nil, path.Nlri, path.IsWithdraw, path.PathAttrs, time.Now(), false)
pp.SetIsFromExternal(p.Path.IsFromExternal)
assert.Equal("0.0.0.0", pp.GetNexthop().String())
assert.Equal("192.168.100.0/24", pp.GetNlri().String())
med, _ := pp.GetMed()
assert.Equal(uint32(100), med)
assert.True(pp.IsFromExternal())
assert.True(pp.IsWithdraw)
// IPv6
h.Command = zebra.IPV6_ROUTE_ADD
b.Prefix = net.ParseIP("2001:db8:0:f101::")
b.PrefixLength = uint8(64)
b.Nexthops = []net.IP{net.ParseIP("::")}
m.Header = *h
m.Body = b
p = createRequestFromIPRouteMessage(m)
assert.NotNil(p)
paths, err = cmd.ApiStruct2Path(p.Path)
assert.Nil(err)
assert.Equal(len(paths), 1)
path = paths[0]
pp = table.NewPath(nil, path.Nlri, path.IsWithdraw, path.PathAttrs, time.Now(), false)
pp.SetIsFromExternal(p.Path.IsFromExternal)
assert.Equal("::", pp.GetNexthop().String())
assert.Equal("2001:db8:0:f101::/64", pp.GetNlri().String())
med, _ = pp.GetMed()
assert.Equal(uint32(100), med)
assert.True(pp.IsFromExternal())
assert.False(pp.IsWithdraw)
// withdraw
h.Command = zebra.IPV6_ROUTE_DELETE
m.Header = *h
p = createRequestFromIPRouteMessage(m)
assert.NotNil(p)
paths, err = cmd.ApiStruct2Path(p.Path)
assert.Nil(err)
assert.Equal(len(paths), 1)
path = paths[0]
pp = table.NewPath(nil, path.Nlri, path.IsWithdraw, path.PathAttrs, time.Now(), false)
pp.SetIsFromExternal(p.Path.IsFromExternal)
assert.Equal("::", pp.GetNexthop().String())
assert.Equal("2001:db8:0:f101::/64", pp.GetNlri().String())
assert.True(pp.IsFromExternal())
assert.True(pp.IsWithdraw)
}