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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 table
import (
//"fmt"
"github.com/osrg/gobgp/packet"
"github.com/stretchr/testify/assert"
//"net"
"testing"
)
func updateMsgD1() *bgp.BGPMessage {
origin := bgp.NewPathAttributeOrigin(0)
aspathParam := []bgp.AsPathParamInterface{bgp.NewAsPathParam(2, []uint16{65000})}
aspath := bgp.NewPathAttributeAsPath(aspathParam)
nexthop := bgp.NewPathAttributeNextHop("192.168.50.1")
med := bgp.NewPathAttributeMultiExitDisc(0)
pathAttributes := []bgp.PathAttributeInterface{
origin,
aspath,
nexthop,
med,
}
nlri := []bgp.NLRInfo{*bgp.NewNLRInfo(24, "10.10.10.0")}
withdrawnRoutes := []bgp.WithdrawnRoute{}
return bgp.NewBGPUpdateMessage(withdrawnRoutes, pathAttributes, nlri)
}
func updateMsgD2() *bgp.BGPMessage {
origin := bgp.NewPathAttributeOrigin(0)
aspathParam := []bgp.AsPathParamInterface{bgp.NewAsPathParam(2, []uint16{65100})}
aspath := bgp.NewPathAttributeAsPath(aspathParam)
nexthop := bgp.NewPathAttributeNextHop("192.168.100.1")
med := bgp.NewPathAttributeMultiExitDisc(100)
pathAttributes := []bgp.PathAttributeInterface{
origin,
aspath,
nexthop,
med,
}
nlri := []bgp.NLRInfo{*bgp.NewNLRInfo(24, "20.20.20.0")}
withdrawnRoutes := []bgp.WithdrawnRoute{}
return bgp.NewBGPUpdateMessage(withdrawnRoutes, pathAttributes, nlri)
}
func updateMsgD3() *bgp.BGPMessage {
origin := bgp.NewPathAttributeOrigin(0)
aspathParam := []bgp.AsPathParamInterface{bgp.NewAsPathParam(2, []uint16{65100})}
aspath := bgp.NewPathAttributeAsPath(aspathParam)
nexthop := bgp.NewPathAttributeNextHop("192.168.150.1")
med := bgp.NewPathAttributeMultiExitDisc(100)
pathAttributes := []bgp.PathAttributeInterface{
origin,
aspath,
nexthop,
med,
}
nlri := []bgp.NLRInfo{*bgp.NewNLRInfo(24, "30.30.30.0")}
w1 := bgp.WithdrawnRoute{*bgp.NewIPAddrPrefix(23, "40.40.40.0")}
withdrawnRoutes := []bgp.WithdrawnRoute{w1}
return bgp.NewBGPUpdateMessage(withdrawnRoutes, pathAttributes, nlri)
}
func createDestinationCheck(t *testing.T, path Path) (Destination, string) {
dest := NewIPv4Destination(path.getNlri())
ar := assert.NotNil(t, dest)
if !ar {
return nil, "NG"
}
return dest, "OK"
}
func routeCheck(t *testing.T, dest Destination) string {
bgpMsg1 := updateMsgD1()
bgpMsg2 := updateMsgD2()
bgpMsg3 := updateMsgD3()
pr1 := &Peer{VersionNum: 2, RemoteAs: 65000}
pr2 := &Peer{VersionNum: 4, RemoteAs: 65001}
pr3 := &Peer{VersionNum: 4, RemoteAs: 65002}
msg1 := &ProcessMessage{innerMessage: bgpMsg1, fromPeer: pr1}
msg2 := &ProcessMessage{innerMessage: bgpMsg2, fromPeer: pr1}
msg3 := &ProcessMessage{innerMessage: bgpMsg3, fromPeer: pr2}
path1, _ := createPathCheck(t, msg1)
path2, _ := createPathCheck(t, msg2)
path3, _ := createPathCheck(t, msg3)
//best path selection
dest.addNewPath(path1)
dest.addNewPath(path2)
dest.addNewPath(path3)
dest.addWithdraw(path3)
_, _, e := dest.Calculate(uint32(100))
//bpath, str, e := dest.Calculate()
//t.Log(bpath)
//t.Log(str)
ar := assert.Nil(t, e)
if !ar {
return "NG"
}
//sent route and remove sent route
sroute1 := &SentRoute{path: path1, peer: pr1}
sroute2 := &SentRoute{path: path2, peer: pr1}
sroute3 := &SentRoute{path: path3, peer: pr2}
dest.addSentRoute(sroute1)
dest.addSentRoute(sroute2)
dest.addSentRoute(sroute3)
result := dest.removeSentRoute(pr3)
ar = assert.Equal(t, result, false)
if !ar {
return "NG"
}
result = dest.removeSentRoute(pr2)
ar = assert.Equal(t, result, true)
if !ar {
return "NG"
}
//remote old path
rpath := dest.removeOldPathsFromSource(pr1)
t.Log(rpath)
//t.Log(dest.getKnownPathList())
return "OK"
}
/*
func getKnownPathListCheck(t *testing.T, dest Destination) string {
paths := dest.getKnownPathList()
t.Log(paths)
return "OK"
}
*/
//getter&setter test
func dgsTerCheck(t *testing.T, path Path) string {
dd := &DestinationDefault{}
//check Route Family
dd.setRouteFamily(RF_IPv4_UC)
rf := dd.getRouteFamily()
ar := assert.Equal(t, rf, RF_IPv4_UC)
if !ar {
return "NG"
}
//check nlri
nlri := bgp.NewNLRInfo(24, "13.2.3.1")
dd.setNlri(nlri)
r_nlri := dd.getNlri()
ar = assert.Equal(t, r_nlri, nlri)
if !ar {
return "NG"
}
// check best path reason
reason := "reason"
dd.setBestPathReason(reason)
r_reason := dd.getBestPathReason()
ar = assert.Equal(t, r_reason, reason)
if !ar {
return "NG"
}
//check best path
dd.setBestPath(path)
r_path := dd.getBestPath()
ar = assert.Equal(t, r_path, path)
if !ar {
return "NG"
}
return "OK"
}
func TestDestination(t *testing.T) {
bgpMsg1 := updateMsgD1()
pr1 := &Peer{VersionNum: 2, RemoteAs: 65000}
msg := &ProcessMessage{innerMessage: bgpMsg1, fromPeer: pr1}
path, _ := createPathCheck(t, msg)
t.Log("# CREATE PATH CHECK")
dest, result := createDestinationCheck(t, path)
t.Log("# CHECK END -> [ ", result, " ]")
t.Log("")
t.Log("# ROUTE CHECK")
result = routeCheck(t, dest)
t.Log("# CHECK END -> [ ", result, " ]")
t.Log("")
t.Log("# GETTER SETTER CHECK")
result = dgsTerCheck(t, path)
t.Log("# CHECK END -> [ ", result, " ]")
t.Log("")
}
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