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SBE implementation in Go using flyweights real-logic#765
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Full test coverage is still in the works.
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ethanf committed Aug 2, 2023
1 parent abd25b4 commit 7e162a4
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Showing 6 changed files with 2,969 additions and 2,169 deletions.
157 changes: 90 additions & 67 deletions gocode/src/baseline/Car_test.go
Expand Up @@ -8,99 +8,122 @@ import (

func TestEncodeDecodeCar(t *testing.T) {

m := NewSbeGoMarshaller()
var vehicleCode [6]byte
copy(vehicleCode[:], "abcdef")

var manufacturerCode [3]byte
copy(manufacturerCode[:], "123")

var optionalExtras [8]bool
optionalExtras[OptionalExtrasChoice.CruiseControl] = true
optionalExtras[OptionalExtrasChoice.SportsPack] = true

var engine Engine
engine = Engine{2000, 4, 0, manufacturerCode, [6]byte{}, 42, BooleanType.T, EngineBooster{BoostType.NITROUS, 200}}

manufacturer := []uint8("Honda")
model := []uint8("Civic VTi")
activationCode := []uint8("deadbeef")

var fuel []CarFuelFigures
fuel = append(fuel, CarFuelFigures{30, 35.9, []uint8("Urban Cycle")})
fuel = append(fuel, CarFuelFigures{55, 49.0, []uint8("Combined Cycle")})
fuel = append(fuel, CarFuelFigures{75, 40.0, []uint8("Highway Cycle")})

var acc1 []CarPerformanceFiguresAcceleration
acc1 = append(acc1, CarPerformanceFiguresAcceleration{30, 3.8})
acc1 = append(acc1, CarPerformanceFiguresAcceleration{60, 7.5})
acc1 = append(acc1, CarPerformanceFiguresAcceleration{100, 12.2})

var acc2 []CarPerformanceFiguresAcceleration
acc2 = append(acc2, CarPerformanceFiguresAcceleration{30, 3.8})
acc2 = append(acc2, CarPerformanceFiguresAcceleration{60, 7.5})
acc2 = append(acc2, CarPerformanceFiguresAcceleration{100, 12.2})

var pf []CarPerformanceFigures
pf = append(pf, CarPerformanceFigures{95, acc1})
pf = append(pf, CarPerformanceFigures{99, acc2})

in := Car{1234, 2013, BooleanType.T, Model.A, [4]uint32{0, 1, 2, 3}, vehicleCode, optionalExtras, Model.A, engine, fuel, pf, manufacturer, model, activationCode}

var buf = new(bytes.Buffer)
if err := in.Encode(m, buf, true); err != nil {
t.Log("Encoding Error", err)
t.Fail()
}

var out Car = *new(Car)
if err := out.Decode(m, buf, in.SbeSchemaVersion(), in.SbeBlockLength(), true); err != nil {
t.Log("Decoding Error", err)
t.Fail()
}

if in.SerialNumber != out.SerialNumber {
t.Log("in.SerialNumber != out.SerialNumber:\n", in.SerialNumber, out.SerialNumber)
var data [256]byte
var in Car
in.WrapForEncode(data[:], 0, uint64(len(data)))

in.SetSerialNumber(1234).
SetModelYear(2000).
SetAvailable(BooleanType_T).
SetCode(Model_A).
PutSomeNumbersValues(0, 1, 2, 3).
SetVehicleCode("abcdef")

in.Extras().
SetCruiseControl(true).
SetSportsPack(true)

in.Engine().
SetCapacity(2000).
SetNumCylinders(4).
// SetMaxRpm(0).
SetManufacturerCode("123").
SetEfficiency(42).
SetBoosterEnabled(BooleanType_T).
Booster().
SetBoostType(BoostType_NITROUS).
SetHorsePower(200)

in.FuelFigures().
SetSpeed(30).
SetMpg(35.9).
PutUsageDescription("Urban Cycle").Next().
SetSpeed(55).
SetMpg(49.0).
PutUsageDescription("Combined Cycle").Next().
SetSpeed(75).
SetMpg(40.0).
PutUsageDescription("Highway Cycle")

fig := in.PerformanceFigures()
fig.SetOctaneRating(95).
Acceleration().
SetMph(30).
SetSeconds(3.8).Next().
SetMph(60).
SetSeconds(7.5).Next().
SetMph(100).
SetSeconds(12.2)
fig.Next().
SetOctaneRating(99).
Acceleration().
SetMph(30).
SetSeconds(3.8).Next().
SetMph(60).
SetSeconds(7.5).Next().
SetMph(100).
SetSeconds(12.2)

in.PutManufacturer("123").
PutModel("Civic VTi").
PutActivationCode("deadbeef")

var out Car
out.WrapForDecode(
data[:],
0,
uint64(in.SbeSchemaVersion()),
uint64(in.SbeBlockLength()),
uint64(len(data)),
)

if in.SerialNumber() != out.SerialNumber() {
t.Log("in.SerialNumber != out.SerialNumber:\n", in.SerialNumber(), out.SerialNumber())
t.Fail()
}
if in.ModelYear != out.ModelYear {
t.Log("in.ModelYear != out.ModelYear:\n", in.ModelYear, out.ModelYear)
if in.ModelYear() != out.ModelYear() {
t.Log("in.ModelYear != out.ModelYear:\n", in.ModelYear(), out.ModelYear())
t.Fail()
}
if in.Available != out.Available {
t.Log("in.Available != out.Available:\n", in.Available, out.Available)
if in.Available() != out.Available() {
t.Log("in.Available != out.Available:\n", in.Available(), out.Available())
t.Fail()
}
if in.Code != out.Code {
if in.Code() != out.Code() {
t.Log("in.Code != out.Code:\n", in.Code, out.Code)
t.Fail()
}
if in.SomeNumbers != out.SomeNumbers {
t.Log("in.SomeNumbers != out.SomeNumbers:\n", in.SomeNumbers, out.SomeNumbers)
t.Fail()
for i, l := uint64(0), uint64(in.SomeNumbersLength()); i < l; i++ {
if in.SomeNumbersIndex(i) != out.SomeNumbersIndex(i) {
t.Log("in.SomeNumbers != out.SomeNumbers:\n", in.SomeNumbersIndex(i), out.SomeNumbersIndex(i))
t.Fail()
}
}
if in.VehicleCode != out.VehicleCode {
t.Log("in.VehicleCode != out.VehicleCode:\n", in.VehicleCode, out.VehicleCode)
t.Fail()
for i, l := uint64(0), uint64(in.VehicleCodeLength()); i < l; i++ {
if in.VehicleCodeIndex(i) != out.VehicleCodeIndex(i) {
t.Log("in.VehicleCode != out.VehicleCode:\n", in.VehicleCodeIndex(i), out.VehicleCodeIndex(i))
t.Fail()
}
}
if in.Extras != out.Extras {
t.Log("in.Extras != out.Extras:\n", in.Extras, out.Extras)
t.Fail()
}

// DiscountedModel is constant
if Model.C != out.DiscountedModel {
if Model_C != out.DiscountedModel() {
t.Log("in.DiscountedModel != out.DiscountedModel:\n", in.DiscountedModel, out.DiscountedModel)
t.Fail()
}

// Engine has two constant values which should come back filled in
if in.Engine == out.Engine {
if in.Engine() == out.Engine() {
t.Log("in.Engine == out.Engine (and they should be different):\n", in.Engine, out.Engine)
t.Fail()
}

copy(in.Engine.Fuel[:], "Petrol")
in.Engine().Fuel("Petrol")

in.Engine.MaxRpm = 9000
if in.Engine != out.Engine {
t.Log("in.Engine != out.Engine:\n", in.Engine, out.Engine)
Expand Down
122 changes: 61 additions & 61 deletions gocode/src/simple/simple_test.go
@@ -1,63 +1,63 @@
package simple

import (
"bytes"
"testing"
)

func TestEncodeDecode(t *testing.T) {
m := NewSbeGoMarshaller()

in := Simple0{2863311530, 2863311530, 123456, 7890, 63, -8, -16, -32, -64, 3.14, -3.14e7, [6]byte{'a', 'b', 'c', 'd', 'e', 'f'}, 'A', [2]int32{254, 255}}

var sbuf = new(bytes.Buffer)
if err := in.Encode(m, sbuf, true); err != nil {
t.Log("Simple0 Encoding Error", err)
t.Fail()
}
t.Log(in, " -> ", sbuf.Bytes())
t.Log("Cap() = ", sbuf.Cap(), "Len() = ", sbuf.Len())

hdr := MessageHeader{in.SbeBlockLength(), in.SbeTemplateId(), in.SbeSchemaId(), in.SbeSchemaVersion()}
var mbuf = new(bytes.Buffer)
if err := hdr.Encode(m, mbuf); err != nil {
t.Log("MessageHeader Encoding Error", err)
t.Fail()
}
t.Log(hdr, " -> ", mbuf.Bytes())
t.Log("Cap() = ", mbuf.Cap(), "Len() = ", mbuf.Len())

// Create a new empty MessageHeader and Simple0
hdr = *new(MessageHeader)
var out Simple0 = *new(Simple0)

// Note generated standard header in use (as blocklength is uint8)
if err := hdr.Decode(m, mbuf, in.SbeSchemaVersion()); err != nil {
t.Log("MessageHeader Decoding Error", err)
t.Fail()
}
t.Log("MessageHeader Decodes as: ", m)
t.Log("Cap() = ", mbuf.Cap(), "Len() = ", mbuf.Len())

if err := out.Decode(m, sbuf, in.SbeSchemaVersion(), in.SbeBlockLength(), true); err != nil {
t.Log("Simple0 Decoding Error", err)
t.Fail()
}
t.Log("Simple0 decodes as: ", out)
t.Log("Cap() = ", sbuf.Cap(), "Len() = ", sbuf.Len())

if in != out {
t.Logf("in != out\n%v\n%v", in, out)
t.Fail()
}

// SinceVersion and Deprecated checkeds
if in.U64SinceVersion() != 1 {
t.Log("in.U64Deprecated() should be 1 and is", in.U64SinceVersion())
t.Fail()
}
if in.U64Deprecated() != 2 {
t.Log("in.U64Deprecated() should be 2 and is", in.U64Deprecated())
t.Fail()
}
}
// import (
// "bytes"
// "testing"
// )

// func TestEncodeDecode(t *testing.T) {
// m := NewSbeGoMarshaller()

// in := Simple0{2863311530, 2863311530, 123456, 7890, 63, -8, -16, -32, -64, 3.14, -3.14e7, [6]byte{'a', 'b', 'c', 'd', 'e', 'f'}, 'A', [2]int32{254, 255}}

// var sbuf = new(bytes.Buffer)
// if err := in.Encode(m, sbuf, true); err != nil {
// t.Log("Simple0 Encoding Error", err)
// t.Fail()
// }
// t.Log(in, " -> ", sbuf.Bytes())
// t.Log("Cap() = ", sbuf.Cap(), "Len() = ", sbuf.Len())

// hdr := MessageHeader{in.SbeBlockLength(), in.SbeTemplateId(), in.SbeSchemaId(), in.SbeSchemaVersion()}
// var mbuf = new(bytes.Buffer)
// if err := hdr.Encode(m, mbuf); err != nil {
// t.Log("MessageHeader Encoding Error", err)
// t.Fail()
// }
// t.Log(hdr, " -> ", mbuf.Bytes())
// t.Log("Cap() = ", mbuf.Cap(), "Len() = ", mbuf.Len())

// // Create a new empty MessageHeader and Simple0
// hdr = *new(MessageHeader)
// var out Simple0 = *new(Simple0)

// // Note generated standard header in use (as blocklength is uint8)
// if err := hdr.Decode(m, mbuf, in.SbeSchemaVersion()); err != nil {
// t.Log("MessageHeader Decoding Error", err)
// t.Fail()
// }
// t.Log("MessageHeader Decodes as: ", m)
// t.Log("Cap() = ", mbuf.Cap(), "Len() = ", mbuf.Len())

// if err := out.Decode(m, sbuf, in.SbeSchemaVersion(), in.SbeBlockLength(), true); err != nil {
// t.Log("Simple0 Decoding Error", err)
// t.Fail()
// }
// t.Log("Simple0 decodes as: ", out)
// t.Log("Cap() = ", sbuf.Cap(), "Len() = ", sbuf.Len())

// if in != out {
// t.Logf("in != out\n%v\n%v", in, out)
// t.Fail()
// }

// // SinceVersion and Deprecated checkeds
// if in.U64SinceVersion() != 1 {
// t.Log("in.U64Deprecated() should be 1 and is", in.U64SinceVersion())
// t.Fail()
// }
// if in.U64Deprecated() != 2 {
// t.Log("in.U64Deprecated() should be 2 and is", in.U64Deprecated())
// t.Fail()
// }
// }
Expand Up @@ -98,7 +98,9 @@ public CodeGenerator newInstance(final Ir ir, final String outputDir)
*/
public CodeGenerator newInstance(final Ir ir, final String outputDir)
{
return new GolangGenerator(ir, new GolangOutputManager(outputDir, ir.applicableNamespace()));
return new GolangGenerator(ir,
"true".equals(System.getProperty(DECODE_UNKNOWN_ENUM_VALUES)),
new GolangOutputManager(outputDir, ir.applicableNamespace()));
}
},

Expand Down
Expand Up @@ -53,7 +53,7 @@ public class CppGenerator implements CodeGenerator
private final boolean shouldDecodeUnknownEnumValues;

/**
* Create a new Go language {@link CodeGenerator}.
* Create a new Cpp language {@link CodeGenerator}.
*
* @param ir for the messages and types.
* @param shouldDecodeUnknownEnumValues generate support for unknown enum values when decoding.
Expand Down

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