package protocol_test import ( "bytes" "testing" "github.com/google/go-cmp/cmp" "v2ray.com/core/common" "v2ray.com/core/common/buf" "v2ray.com/core/common/net" . "v2ray.com/core/common/protocol" ) func TestAddressReading(t *testing.T) { data := []struct { Options []AddressOption Input []byte Address net.Address Port net.Port Error bool }{ { Options: []AddressOption{}, Input: []byte{}, Error: true, }, { Options: []AddressOption{}, Input: []byte{0, 0, 0, 0, 0}, Error: true, }, { Options: []AddressOption{AddressFamilyByte(0x01, net.AddressFamilyIPv4)}, Input: []byte{1, 0, 0, 0, 0, 0, 53}, Address: net.IPAddress([]byte{0, 0, 0, 0}), Port: net.Port(53), }, { Options: []AddressOption{AddressFamilyByte(0x01, net.AddressFamilyIPv4), PortThenAddress()}, Input: []byte{0, 53, 1, 0, 0, 0, 0}, Address: net.IPAddress([]byte{0, 0, 0, 0}), Port: net.Port(53), }, { Options: []AddressOption{AddressFamilyByte(0x01, net.AddressFamilyIPv4)}, Input: []byte{1, 0, 0, 0, 0}, Error: true, }, { Options: []AddressOption{AddressFamilyByte(0x04, net.AddressFamilyIPv6)}, Input: []byte{4, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2, 3, 4, 5, 6, 0, 80}, Address: net.IPAddress([]byte{1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2, 3, 4, 5, 6}), Port: net.Port(80), }, { Options: []AddressOption{AddressFamilyByte(0x03, net.AddressFamilyDomain)}, Input: []byte{3, 9, 118, 50, 114, 97, 121, 46, 99, 111, 109, 0, 80}, Address: net.DomainAddress("v2ray.com"), Port: net.Port(80), }, { Options: []AddressOption{AddressFamilyByte(0x03, net.AddressFamilyDomain)}, Input: []byte{3, 9, 118, 50, 114, 97, 121, 46, 99, 111, 109, 0}, Error: true, }, { Options: []AddressOption{AddressFamilyByte(0x03, net.AddressFamilyDomain)}, Input: []byte{3, 7, 56, 46, 56, 46, 56, 46, 56, 0, 80}, Address: net.ParseAddress("8.8.8.8"), Port: net.Port(80), }, { Options: []AddressOption{AddressFamilyByte(0x03, net.AddressFamilyDomain)}, Input: []byte{3, 7, 10, 46, 56, 46, 56, 46, 56, 0, 80}, Error: true, }, { Options: []AddressOption{AddressFamilyByte(0x03, net.AddressFamilyDomain)}, Input: append(append([]byte{3, 24}, []byte("2a00:1450:4007:816::200e")...), 0, 80), Address: net.ParseAddress("2a00:1450:4007:816::200e"), Port: net.Port(80), }, } for _, tc := range data { b := buf.New() parser := NewAddressParser(tc.Options...) addr, port, err := parser.ReadAddressPort(b, bytes.NewReader(tc.Input)) b.Release() if tc.Error { if err == nil { t.Errorf("Expect error but not: %v", tc) } } else { if err != nil { t.Errorf("Expect no error but: %s %v", err.Error(), tc) } if addr != tc.Address { t.Error("Got address ", addr.String(), " want ", tc.Address.String()) } if tc.Port != port { t.Error("Got port ", port, " want ", tc.Port) } } } } func TestAddressWriting(t *testing.T) { data := []struct { Options []AddressOption Address net.Address Port net.Port Bytes []byte Error bool }{ { Options: []AddressOption{AddressFamilyByte(0x01, net.AddressFamilyIPv4)}, Address: net.LocalHostIP, Port: net.Port(80), Bytes: []byte{1, 127, 0, 0, 1, 0, 80}, }, } for _, tc := range data { parser := NewAddressParser(tc.Options...) b := buf.New() err := parser.WriteAddressPort(b, tc.Address, tc.Port) if tc.Error { if err == nil { t.Error("Expect error but nil") } } else { common.Must(err) if diff := cmp.Diff(tc.Bytes, b.Bytes()); diff != "" { t.Error(err) } } } } func BenchmarkAddressReadingIPv4(b *testing.B) { parser := NewAddressParser(AddressFamilyByte(0x01, net.AddressFamilyIPv4)) cache := buf.New() defer cache.Release() payload := buf.New() defer payload.Release() raw := []byte{1, 0, 0, 0, 0, 0, 53} payload.Write(raw) b.ResetTimer() for i := 0; i < b.N; i++ { _, _, err := parser.ReadAddressPort(cache, payload) common.Must(err) cache.Clear() payload.Clear() payload.Extend(int32(len(raw))) } } func BenchmarkAddressReadingIPv6(b *testing.B) { parser := NewAddressParser(AddressFamilyByte(0x04, net.AddressFamilyIPv6)) cache := buf.New() defer cache.Release() payload := buf.New() defer payload.Release() raw := []byte{4, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2, 3, 4, 5, 6, 0, 80} payload.Write(raw) b.ResetTimer() for i := 0; i < b.N; i++ { _, _, err := parser.ReadAddressPort(cache, payload) common.Must(err) cache.Clear() payload.Clear() payload.Extend(int32(len(raw))) } } func BenchmarkAddressReadingDomain(b *testing.B) { parser := NewAddressParser(AddressFamilyByte(0x03, net.AddressFamilyDomain)) cache := buf.New() defer cache.Release() payload := buf.New() defer payload.Release() raw := []byte{3, 9, 118, 50, 114, 97, 121, 46, 99, 111, 109, 0, 80} payload.Write(raw) b.ResetTimer() for i := 0; i < b.N; i++ { _, _, err := parser.ReadAddressPort(cache, payload) common.Must(err) cache.Clear() payload.Clear() payload.Extend(int32(len(raw))) } } func BenchmarkAddressWritingIPv4(b *testing.B) { parser := NewAddressParser(AddressFamilyByte(0x01, net.AddressFamilyIPv4)) writer := buf.New() defer writer.Release() b.ResetTimer() for i := 0; i < b.N; i++ { common.Must(parser.WriteAddressPort(writer, net.LocalHostIP, net.Port(80))) writer.Clear() } } func BenchmarkAddressWritingIPv6(b *testing.B) { parser := NewAddressParser(AddressFamilyByte(0x04, net.AddressFamilyIPv6)) writer := buf.New() defer writer.Release() b.ResetTimer() for i := 0; i < b.N; i++ { common.Must(parser.WriteAddressPort(writer, net.LocalHostIPv6, net.Port(80))) writer.Clear() } } func BenchmarkAddressWritingDomain(b *testing.B) { parser := NewAddressParser(AddressFamilyByte(0x02, net.AddressFamilyDomain)) writer := buf.New() defer writer.Release() b.ResetTimer() for i := 0; i < b.N; i++ { common.Must(parser.WriteAddressPort(writer, net.DomainAddress("www.v2ray.com"), net.Port(80))) writer.Clear() } }