114 lines
3.0 KiB
Go
114 lines
3.0 KiB
Go
package wire
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import (
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"bytes"
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"io"
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"testing"
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)
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func TestMaskChangesWithSequenceAndRoundTrips(t *testing.T) {
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var sid SessionID
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for i := range sid {
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sid[i] = byte(i + 1)
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}
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plain := bytes.Repeat([]byte("DragonTCP"), 100)
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a := append([]byte(nil), plain...)
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b := append([]byte(nil), plain...)
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MaskInPlace(a, sid, ModeUpload, 1, false)
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MaskInPlace(b, sid, ModeUpload, 2, false)
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if bytes.Equal(a, b) {
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t.Fatal("different sequences produced identical wire bytes")
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}
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MaskInPlace(a, sid, ModeUpload, 1, false)
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if !bytes.Equal(a, plain) {
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t.Fatal("mask did not round-trip")
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}
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}
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func TestBinaryHeaderProfilesRoundTrip(t *testing.T) {
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var sid SessionID
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for i := range sid {
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sid[i] = byte(i + 1)
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}
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for n := 0; n < 256; n += 8 {
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mask := byte(n)
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var request bytes.Buffer
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if err := WriteRequestProfile(&request, ModeUpload, sid, 42, []byte("payload"), mask); err != nil {
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t.Fatal(err)
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}
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if got := request.Bytes()[0]; got != ModeUpload^mask {
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t.Fatalf("mask %02x first byte=%02x", mask, got)
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}
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req, err := ReadRequestProfile(&request, mask)
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if err != nil {
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t.Fatalf("mask %02x: %v", mask, err)
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}
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if req.Mode != ModeUpload || req.Seq != 42 || !bytes.Equal(req.Payload, []byte("payload")) {
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t.Fatalf("mask %02x request did not round-trip", mask)
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}
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var response bytes.Buffer
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if err := WriteResponseProfile(&response, StatusOK, []byte("ok"), mask); err != nil {
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t.Fatal(err)
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}
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status, body, err := ReadResponseProfile(&response, mask)
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if err != nil || status != StatusOK || !bytes.Equal(body, []byte("ok")) {
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t.Fatalf("mask %02x response did not round-trip: status=%d body=%q err=%v", mask, status, body, err)
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}
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}
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}
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type profiledBuffer struct {
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bytes.Buffer
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mask byte
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}
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func (b *profiledBuffer) HeaderMask() byte { return b.mask }
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func TestServerResponseUsesConnectionProfile(t *testing.T) {
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profiled := &profiledBuffer{mask: 0xa0}
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if err := WriteResponse(profiled, StatusOK, []byte("ok")); err != nil {
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t.Fatal(err)
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}
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if got := profiled.Bytes()[0]; got != StatusOK^profiled.mask {
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t.Fatalf("first byte=%02x, want %02x", got, StatusOK^profiled.mask)
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}
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}
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func BenchmarkMask1MiB(b *testing.B) {
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var sid SessionID
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data := make([]byte, 1024*1024)
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b.SetBytes(int64(len(data)))
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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MaskInPlace(data, sid, ModeUpload, uint64(i), false)
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}
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}
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func BenchmarkWriteRequest1MiB(b *testing.B) {
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var sid SessionID
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data := make([]byte, 1024*1024)
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for _, tc := range []struct {
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name string
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clear bool
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}{{"sha256-compat", false}, {"clear", true}} {
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b.Run(tc.name, func(b *testing.B) {
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b.SetBytes(int64(len(data)))
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b.ReportAllocs()
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for i := 0; i < b.N; i++ {
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if err := WriteRequestProfileEncoding(io.Discard, ModeUpload, sid, uint64(i), data, 0, tc.clear); err != nil {
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b.Fatal(err)
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}
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}
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})
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}
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}
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func TestProbeBurstCountSinglePoller(t *testing.T) {
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for _, chunk := range []int{0, 1, 1024, 128 * 1024, 512 * 1024, 1024 * 1024} {
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if got := ProbeBurstCount(chunk); got != 1 {
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t.Fatalf("ProbeBurstCount(%d)=%d, want 1", chunk, got)
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}
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}
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}
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