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// Copyright (C) 2014 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 (
"net"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/osrg/gobgp/internal/pkg/table"
"github.com/osrg/gobgp/internal/pkg/zebra"
)
func Test_newPathFromIPRouteMessage(t *testing.T) {
assert := assert.New(t)
for v := zebra.MinZapiVer; v <= zebra.MaxZapiVer; v++ {
// IPv4 Route Add
m := &zebra.Message{}
flag := zebra.FlagSelected.ToEach(v, "")
message := zebra.MessageNexthop | zebra.MessageDistance.ToEach(v) | zebra.MessageMetric.ToEach(v) | zebra.MessageMTU.ToEach(v)
h := &zebra.Header{
Len: zebra.HeaderSize(v),
Marker: zebra.HeaderMarker(v),
Version: v,
Command: zebra.RouteAdd.ToEach(v, ""),
}
b := &zebra.IPRouteBody{
Type: zebra.RouteType(zebra.RouteStatic),
Flags: flag,
Message: message,
Safi: zebra.Safi(zebra.SafiUnicast), // 1, FRR_ZAPI5_SAFI_UNICAST is same
Prefix: zebra.Prefix{
Prefix: net.ParseIP("192.168.100.0"),
PrefixLen: uint8(24),
},
Nexthops: []zebra.Nexthop{
{
Gate: net.ParseIP("0.0.0.0"),
},
{
Ifindex: uint32(1),
},
},
Distance: uint8(0),
Metric: uint32(100),
Mtu: uint32(0),
API: zebra.APIType(zebra.RouteAdd.ToEach(v, "")),
}
m.Header = *h
m.Body = b
zebra.BackwardIPv6RouteDelete.ToEach(v, "")
path := newPathFromIPRouteMessage(m, v, "")
pp := table.NewPath(nil, path.GetNlri(), path.IsWithdraw, path.GetPathAttrs(), time.Now(), false)
pp.SetIsFromExternal(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)
// IPv4 Route Delete
h.Command = zebra.RouteDelete.ToEach(v, "")
b.API = zebra.RouteDelete.ToEach(v, "")
m.Header = *h
m.Body = b
path = newPathFromIPRouteMessage(m, v, "")
pp = table.NewPath(nil, path.GetNlri(), path.IsWithdraw, path.GetPathAttrs(), time.Now(), false)
pp.SetIsFromExternal(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 Route Add
h.Command = zebra.RouteAdd.ToEach(v, "")
if v < 5 {
h.Command = zebra.BackwardIPv6RouteAdd.ToEach(v, "")
}
b.API = zebra.RouteAdd.ToEach(v, "")
if v < 5 {
b.API = zebra.BackwardIPv6RouteAdd.ToEach(v, "")
}
b.Prefix.Prefix = net.ParseIP("2001:db8:0:f101::")
b.Prefix.PrefixLen = uint8(64)
b.Nexthops = []zebra.Nexthop{{Gate: net.ParseIP("::")}}
m.Header = *h
m.Body = b
path = newPathFromIPRouteMessage(m, v, "")
pp = table.NewPath(nil, path.GetNlri(), path.IsWithdraw, path.GetPathAttrs(), time.Now(), false)
pp.SetIsFromExternal(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)
// IPv6 Route Delete
h.Command = zebra.RouteDelete.ToEach(v, "")
if v < 5 {
h.Command = zebra.BackwardIPv6RouteDelete.ToEach(v, "")
}
b.API = zebra.RouteDelete.ToEach(v, "")
if v < 5 {
b.API = zebra.BackwardIPv6RouteDelete.ToEach(v, "")
}
m.Header = *h
m.Body = b
path = newPathFromIPRouteMessage(m, v, "")
pp = table.NewPath(nil, path.GetNlri(), path.IsWithdraw, path.GetPathAttrs(), time.Now(), false)
pp.SetIsFromExternal(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)
}
}
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