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// Copyright (C) 2015 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 bgp
import (
"bufio"
"bytes"
"github.com/stretchr/testify/assert"
"reflect"
"testing"
"time"
)
func TestMrtHdr(t *testing.T) {
h1, err := NewMRTHeader(10, TABLE_DUMPv2, RIB_IPV4_MULTICAST, 20)
if err != nil {
t.Fatal(err)
}
b1, err := h1.Serialize()
if err != nil {
t.Fatal(err)
}
h2 := &MRTHeader{}
err = h2.DecodeFromBytes(b1)
if err != nil {
t.Fatal(err)
}
assert.Equal(t, reflect.DeepEqual(h1, h2), true)
}
func TestMrtHdrTime(t *testing.T) {
h1, err := NewMRTHeader(10, TABLE_DUMPv2, RIB_IPV4_MULTICAST, 20)
if err != nil {
t.Fatal(err)
}
ttime := time.Unix(10, 0)
htime := h1.GetTime()
t.Logf("this timestamp should be 10s after epoch:%v", htime)
assert.Equal(t, h1.GetTime(), ttime)
}
func testPeer(t *testing.T, p1 *Peer) {
b1, err := p1.Serialize()
if err != nil {
t.Fatal(err)
}
p2 := &Peer{}
rest, err := p2.DecodeFromBytes(b1)
if err != nil {
t.Fatal(err)
}
assert.Equal(t, len(rest), 0)
assert.Equal(t, reflect.DeepEqual(p1, p2), true)
}
func TestMrtPeer(t *testing.T) {
p := NewPeer("192.168.0.1", "10.0.0.1", 65000, false)
testPeer(t, p)
}
func TestMrtPeerv6(t *testing.T) {
p := NewPeer("192.168.0.1", "2001::1", 65000, false)
testPeer(t, p)
}
func TestMrtPeerAS4(t *testing.T) {
p := NewPeer("192.168.0.1", "2001::1", 135500, true)
testPeer(t, p)
}
func TestMrtPeerIndexTable(t *testing.T) {
p1 := NewPeer("192.168.0.1", "10.0.0.1", 65000, false)
p2 := NewPeer("192.168.0.1", "2001::1", 65000, false)
p3 := NewPeer("192.168.0.1", "2001::1", 135500, true)
pt1 := NewPeerIndexTable("192.168.0.1", "test", []*Peer{p1, p2, p3})
b1, err := pt1.Serialize()
if err != nil {
t.Fatal(err)
}
pt2 := &PeerIndexTable{}
err = pt2.DecodeFromBytes(b1)
if err != nil {
t.Fatal(err)
}
assert.Equal(t, reflect.DeepEqual(pt1, pt2), true)
}
func TestMrtRibEntry(t *testing.T) {
aspath1 := []AsPathParamInterface{
NewAsPathParam(2, []uint16{1000}),
NewAsPathParam(1, []uint16{1001, 1002}),
NewAsPathParam(2, []uint16{1003, 1004}),
}
p := []PathAttributeInterface{
NewPathAttributeOrigin(3),
NewPathAttributeAsPath(aspath1),
NewPathAttributeNextHop("129.1.1.2"),
NewPathAttributeMultiExitDisc(1 << 20),
NewPathAttributeLocalPref(1 << 22),
}
e1 := NewRibEntry(1, uint32(time.Now().Unix()), p)
b1, err := e1.Serialize()
if err != nil {
t.Fatal(err)
}
e2 := &RibEntry{}
rest, err := e2.DecodeFromBytes(b1)
if err != nil {
t.Fatal(err)
}
assert.Equal(t, len(rest), 0)
assert.Equal(t, reflect.DeepEqual(e1, e2), true)
}
func TestMrtRib(t *testing.T) {
aspath1 := []AsPathParamInterface{
NewAsPathParam(2, []uint16{1000}),
NewAsPathParam(1, []uint16{1001, 1002}),
NewAsPathParam(2, []uint16{1003, 1004}),
}
p := []PathAttributeInterface{
NewPathAttributeOrigin(3),
NewPathAttributeAsPath(aspath1),
NewPathAttributeNextHop("129.1.1.2"),
NewPathAttributeMultiExitDisc(1 << 20),
NewPathAttributeLocalPref(1 << 22),
}
e1 := NewRibEntry(1, uint32(time.Now().Unix()), p)
e2 := NewRibEntry(2, uint32(time.Now().Unix()), p)
e3 := NewRibEntry(3, uint32(time.Now().Unix()), p)
r1 := NewRib(1, NewIPAddrPrefix(24, "192.168.0.0"), []*RibEntry{e1, e2, e3})
b1, err := r1.Serialize()
if err != nil {
t.Fatal(err)
}
r2 := &Rib{
RouteFamily: RF_IPv4_UC,
}
err = r2.DecodeFromBytes(b1)
if err != nil {
t.Fatal(err)
}
assert.Equal(t, reflect.DeepEqual(r1, r2), true)
}
func TestMrtBgp4mpStateChange(t *testing.T) {
c1 := NewBGP4MPStateChange(65000, 65001, 1, "192.168.0.1", "192.168.0.2", false, ACTIVE, ESTABLISHED)
b1, err := c1.Serialize()
if err != nil {
t.Fatal(err)
}
c2 := &BGP4MPStateChange{BGP4MPHeader: &BGP4MPHeader{}}
err = c2.DecodeFromBytes(b1)
if err != nil {
t.Fatal(err)
}
_, err = c2.Serialize()
if err != nil {
t.Fatal(err)
}
assert.Equal(t, reflect.DeepEqual(c1, c2), true)
}
func TestMrtBgp4mpMessage(t *testing.T) {
msg := NewBGPKeepAliveMessage()
m1 := NewBGP4MPMessage(65000, 65001, 1, "192.168.0.1", "192.168.0.2", false, msg)
b1, err := m1.Serialize()
if err != nil {
t.Fatal(err)
}
m2 := &BGP4MPMessage{BGP4MPHeader: &BGP4MPHeader{}}
err = m2.DecodeFromBytes(b1)
if err != nil {
t.Fatal(err)
}
assert.Equal(t, reflect.DeepEqual(m1, m2), true)
}
func TestMrtSplit(t *testing.T) {
var b bytes.Buffer
numwrite, numread := 10, 0
for i := 0; i < numwrite; i++ {
msg := NewBGPKeepAliveMessage()
m1 := NewBGP4MPMessage(65000, 65001, 1, "192.168.0.1", "192.168.0.2", false, msg)
mm, _ := NewMRTMessage(1234, BGP4MP, MESSAGE, m1)
b1, err := mm.Serialize()
if err != nil {
t.Fatal(err)
}
b.Write(b1)
}
t.Logf("wrote %d serialized MRT keepalives in the buffer", numwrite)
r := bytes.NewReader(b.Bytes())
scanner := bufio.NewScanner(r)
scanner.Split(SplitMrt)
for scanner.Scan() {
numread += 1
}
t.Logf("scanner scanned %d serialized keepalives from the buffer", numread)
assert.Equal(t, numwrite, numread)
}
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