204 lines
6.8 KiB
Go
204 lines
6.8 KiB
Go
package rtrlib
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import (
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"encoding/binary"
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"github.com/stretchr/testify/assert"
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"net"
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"testing"
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)
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func GenerateRoas(size uint32, offset uint32) []ROA {
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roas := make([]ROA, size)
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for i := uint32(0); i < size; i++ {
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ipFinal := make([]byte, 4)
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binary.BigEndian.PutUint32(ipFinal, i+offset)
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roas[i] = ROA{
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Prefix: net.IPNet{
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IP: net.IP(append([]byte{0xfd, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, ipFinal...)),
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Mask: net.IPMask([]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}),
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},
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MaxLen: 128,
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ASN: 64496,
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}
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}
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return roas
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}
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func BaseBench(base int, multiplier int) {
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benchSize1 := base * multiplier
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newRoas := GenerateRoas(uint32(benchSize1), uint32(0))
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benchSize2 := base
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prevRoas := GenerateRoas(uint32(benchSize2), uint32(benchSize1-benchSize2/2))
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ComputeDiff(newRoas, prevRoas)
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}
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func BenchmarkComputeDiff1000x10(b *testing.B) {
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BaseBench(1000, 10)
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}
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func BenchmarkComputeDiff10000x10(b *testing.B) {
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BaseBench(10000, 10)
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}
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func BenchmarkComputeDiff100000x1(b *testing.B) {
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BaseBench(100000, 1)
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}
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func TestComputeDiff(t *testing.T) {
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newRoas := []ROA{
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ROA{
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Prefix: net.IPNet{
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IP: net.IP([]byte{0xfd, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3}),
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Mask: net.IPMask([]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}),
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},
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MaxLen: 128,
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ASN: 65003,
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},
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ROA{
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Prefix: net.IPNet{
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IP: net.IP([]byte{0xfd, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2}),
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Mask: net.IPMask([]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}),
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},
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MaxLen: 128,
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ASN: 65002,
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},
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}
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prevRoas := []ROA{
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ROA{
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Prefix: net.IPNet{
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IP: net.IP([]byte{0xfd, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1}),
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Mask: net.IPMask([]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}),
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},
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MaxLen: 128,
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ASN: 65001,
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},
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ROA{
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Prefix: net.IPNet{
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IP: net.IP([]byte{0xfd, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2}),
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Mask: net.IPMask([]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}),
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},
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MaxLen: 128,
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ASN: 65002,
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},
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}
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added, removed, unchanged := ComputeDiff(newRoas, prevRoas)
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assert.Len(t, added, 1)
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assert.Len(t, removed, 1)
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assert.Len(t, unchanged, 1)
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assert.Equal(t, added[0].ASN, uint32(65003))
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assert.Equal(t, removed[0].ASN, uint32(65001))
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assert.Equal(t, unchanged[0].ASN, uint32(65002))
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}
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func TestApplyDiff(t *testing.T) {
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diff := []ROA{
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ROA{
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Prefix: net.IPNet{
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IP: net.IP([]byte{0xfd, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3}),
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Mask: net.IPMask([]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}),
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},
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MaxLen: 128,
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ASN: 65003,
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Flags: FLAG_ADDED,
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},
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ROA{
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Prefix: net.IPNet{
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IP: net.IP([]byte{0xfd, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2}),
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Mask: net.IPMask([]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}),
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},
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MaxLen: 128,
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ASN: 65002,
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Flags: FLAG_REMOVED,
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},
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ROA{
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Prefix: net.IPNet{
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IP: net.IP([]byte{0xfd, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x4}),
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Mask: net.IPMask([]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}),
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},
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MaxLen: 128,
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ASN: 65004,
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Flags: FLAG_REMOVED,
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},
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ROA{
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Prefix: net.IPNet{
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IP: net.IP([]byte{0xfd, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x6}),
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Mask: net.IPMask([]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}),
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},
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MaxLen: 128,
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ASN: 65006,
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Flags: FLAG_REMOVED,
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},
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ROA{
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Prefix: net.IPNet{
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IP: net.IP([]byte{0xfd, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7}),
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Mask: net.IPMask([]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}),
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},
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MaxLen: 128,
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ASN: 65007,
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Flags: FLAG_ADDED,
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},
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}
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prevRoas := []ROA{
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ROA{
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Prefix: net.IPNet{
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IP: net.IP([]byte{0xfd, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1}),
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Mask: net.IPMask([]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}),
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},
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MaxLen: 128,
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ASN: 65001,
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Flags: FLAG_ADDED,
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},
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ROA{
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Prefix: net.IPNet{
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IP: net.IP([]byte{0xfd, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2}),
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Mask: net.IPMask([]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}),
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},
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MaxLen: 128,
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ASN: 65002,
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Flags: FLAG_ADDED,
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},
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ROA{
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Prefix: net.IPNet{
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IP: net.IP([]byte{0xfd, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x5}),
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Mask: net.IPMask([]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}),
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},
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MaxLen: 128,
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ASN: 65005,
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Flags: FLAG_REMOVED,
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},
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ROA{
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Prefix: net.IPNet{
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IP: net.IP([]byte{0xfd, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x6}),
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Mask: net.IPMask([]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}),
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},
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MaxLen: 128,
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ASN: 65006,
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Flags: FLAG_REMOVED,
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},
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ROA{
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Prefix: net.IPNet{
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IP: net.IP([]byte{0xfd, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7}),
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Mask: net.IPMask([]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}),
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},
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MaxLen: 128,
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ASN: 65007,
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Flags: FLAG_REMOVED,
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},
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}
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roas := ApplyDiff(diff, prevRoas)
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assert.Len(t, roas, 6)
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assert.Equal(t, roas[0].ASN, uint32(65001))
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assert.Equal(t, roas[0].Flags, uint8(FLAG_ADDED))
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assert.Equal(t, roas[1].ASN, uint32(65005))
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assert.Equal(t, roas[1].Flags, uint8(FLAG_REMOVED))
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assert.Equal(t, roas[2].ASN, uint32(65003))
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assert.Equal(t, roas[2].Flags, uint8(FLAG_ADDED))
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assert.Equal(t, roas[3].ASN, uint32(65004))
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assert.Equal(t, roas[3].Flags, uint8(FLAG_REMOVED))
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assert.Equal(t, roas[4].ASN, uint32(65006))
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assert.Equal(t, roas[4].Flags, uint8(FLAG_REMOVED))
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assert.Equal(t, roas[5].ASN, uint32(65007))
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assert.Equal(t, roas[5].Flags, uint8(FLAG_ADDED))
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}
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