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[#91] protogen: Support unpacked repeated uint64 fields

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Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>
This commit is contained in:
Evgenii Stratonikov 2024-07-15 11:16:29 +03:00
parent 3639563d80
commit f517e39491
4 changed files with 92 additions and 6 deletions
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59
util/proto/marshal_test.go
View file

@ -1,12 +1,14 @@
package proto_test
import (
"encoding/binary"
"math"
"testing"
"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/util/proto"
"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/util/proto/test"
"github.com/stretchr/testify/require"
"google.golang.org/protobuf/encoding/protowire"
goproto "google.golang.org/protobuf/proto"
)
@ -33,6 +35,8 @@ type stableRepPrimitives struct {
FieldD []uint32
FieldE []int64
FieldF []uint64
FieldFu []uint64
}
const (
@ -185,6 +189,20 @@ func (s *stableRepPrimitives) stableMarshal(buf []byte, wrongField bool) ([]byte
}
i += proto.RepeatedUInt64Marshal(fieldNum, buf, s.FieldF)
fieldNum = 7
if wrongField {
fieldNum++
}
for j := range s.FieldFu {
{
prefix := protowire.EncodeTag(
protowire.Number(fieldNum),
protowire.VarintType)
i += binary.PutUvarint(buf[i:], uint64(prefix))
i += binary.PutUvarint(buf[i:], s.FieldFu[j])
}
}
return buf, nil
}
@ -196,7 +214,12 @@ func (s *stableRepPrimitives) stableSize() int {
f5, _ := proto.RepeatedInt64Size(5, s.FieldE)
f6, _ := proto.RepeatedUInt64Size(6, s.FieldF)
return f1 + f2 + f3 + f4 + f5 + f6
var f7 int
for i := range s.FieldFu {
f7 += protowire.SizeGroup(protowire.Number(7), protowire.SizeVarint(s.FieldFu[i]))
}
return f1 + f2 + f3 + f4 + f5 + f6 + f7
}
func TestBytesMarshal(t *testing.T) {
@ -404,6 +427,22 @@ func TestRepeatedUInt64Marshal(t *testing.T) {
})
}
func TestRepeatedUInt64MarshalUnpacked(t *testing.T) {
t.Run("not empty", func(t *testing.T) {
data := []uint64{0, 1, 2, 3, 4, 5}
testRepeatedUInt64MarshalUnpacked(t, data, false)
testRepeatedUInt64MarshalUnpacked(t, data, true)
})
t.Run("empty", func(t *testing.T) {
testRepeatedUInt64MarshalUnpacked(t, []uint64{}, false)
})
t.Run("nil", func(t *testing.T) {
testRepeatedUInt64MarshalUnpacked(t, nil, false)
})
}
func TestFixed64Marshal(t *testing.T) {
t.Run("zero", func(t *testing.T) {
testFixed64Marshal(t, 0, false)
@ -738,6 +777,24 @@ func testRepeatedUInt64Marshal(t *testing.T, n []uint64, wrongField bool) {
}
}
func testRepeatedUInt64MarshalUnpacked(t *testing.T, n []uint64, wrongField bool) {
var (
custom = stableRepPrimitives{FieldFu: n}
transport = test.RepPrimitives{FieldFu: n}
)
result := testRepMarshal(t, custom, &transport, wrongField)
if !wrongField {
require.Len(t, result.FieldFu, len(n))
if len(n) > 0 {
require.Equal(t, n, result.FieldFu)
}
} else {
require.Len(t, result.FieldFu, 0)
}
}
func testFixed64Marshal(t *testing.T, n uint64, wrongField bool) {
var (
custom = stablePrimitives{FieldI: n}

BIN
util/proto/test/test.pb.go generated
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1
util/proto/test/test.proto
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@ -31,4 +31,5 @@ message RepPrimitives {
repeated uint32 field_d = 4;
repeated int64 field_e = 5;
repeated uint64 field_f = 6;
repeated uint64 field_fu = 7 [ packed = false ];
}

34
util/protogen/main.go
View file

@ -8,6 +8,11 @@ import (
"google.golang.org/protobuf/reflect/protoreflect"
)
var (
protowirePackage = protogen.GoImportPath("google.golang.org/protobuf/encoding/protowire")
binaryPackage = protogen.GoImportPath("encoding/binary")
)
func main() {
protogen.Options{}.Run(func(gen *protogen.Plugin) error {
for _, f := range gen.Files {
@ -62,7 +67,7 @@ func emitMessage(g *protogen.GeneratedFile, msg *protogen.Message) {
g.P("if x == nil { return 0 }")
if len(fs) != 0 {
for _, f := range fs {
if f.Desc.IsList() && marshalers[f.Desc.Kind()].RepeatedDouble {
if f.Desc.IsList() && marshalers[f.Desc.Kind()].RepeatedDouble && !(f.Desc.Kind() == protoreflect.Uint64Kind && !f.Desc.IsPacked()) {
g.P("var n int")
break
}
@ -140,9 +145,19 @@ func emitFieldSize(g *protogen.GeneratedFile, f *protogen.Field) {
}
switch {
case f.Desc.IsList() && f.Desc.Kind() == protoreflect.MessageKind:
case f.Desc.IsList() && (f.Desc.Kind() == protoreflect.MessageKind || f.Desc.Kind() == protoreflect.Uint64Kind && !f.Desc.IsPacked()):
g.P("for i := range ", name, "{")
if f.Desc.Kind() == protoreflect.MessageKind {
g.P("size += proto.NestedStructureSize(", f.Desc.Number(), ", ", name, "[i])")
} else {
if f.Desc.Kind() != protoreflect.Uint64Kind {
panic("only uint64 unpacked primitive is supported")
}
g.P("size += ", protowirePackage.Ident("SizeGroup"), "(",
protowirePackage.Ident("Number"), "(", f.Desc.Number(), "), ",
protowirePackage.Ident("SizeVarint"), "(", name, "[i]))")
}
g.P("}")
case f.Desc.IsList():
if m.RepeatedDouble {
@ -177,9 +192,22 @@ func emitFieldMarshal(g *protogen.GeneratedFile, f *protogen.Field) {
prefix = "Repeated" + m.Prefix
}
switch {
case f.Desc.IsList() && f.Desc.Kind() == protoreflect.MessageKind:
case f.Desc.IsList() && (f.Desc.Kind() == protoreflect.MessageKind || f.Desc.Kind() == protoreflect.Uint64Kind && !f.Desc.IsPacked()):
g.P("for i := range ", name, "{")
if f.Desc.Kind() == protoreflect.MessageKind {
g.P("offset += proto.NestedStructureMarshal(", f.Desc.Number(), ", buf[offset:], ", name, "[i])")
} else {
if f.Desc.Kind() != protoreflect.Uint64Kind {
panic("only uint64 unpacked primitive is supported")
}
g.P("{")
g.P("prefix := ", protowirePackage.Ident("EncodeTag"), "(",
protowirePackage.Ident("Number"), "(", f.Desc.Number(), "), ",
protowirePackage.Ident("VarintType"), ")")
g.P("offset += ", binaryPackage.Ident("PutUvarint"), "(buf[offset:], uint64(prefix))")
g.P("offset += ", binaryPackage.Ident("PutUvarint"), "(buf[offset:], ", name, "[i])")
g.P("}")
}
g.P("}")
case f.Desc.IsList():
g.P("offset += proto.Repeated", m.Prefix, "Marshal(", f.Desc.Number(), ", buf[offset:], ", name, ")")