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