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Must use alternate model because of incompatibilities between java and javalite runtimes with well-known types #194

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5 changes: 2 additions & 3 deletions Makefile
Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,7 @@ BIN := .tmp/bin
CACHE := .tmp/cache
LICENSE_HEADER_YEAR_RANGE := 2022-2023
LICENSE_HEADER_VERSION := v1.28.1
CONFORMANCE_VERSION := v1.0.0-rc1
CONFORMANCE_VERSION := v1.0.0-rc2
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The main change this brings in is a new method on the conformance service: IdempotentUnary, which is just like Unary, but it is declared to be side-effect-free so it can be used with Connect GET.

PROTOC_VERSION ?= 25.1
GRADLE_ARGS ?=

Expand Down Expand Up @@ -75,8 +75,7 @@ generate: $(PROTOC) buildplugin generateconformance generateexamples ## Generate
.PHONY: generateconformance
generateconformance: $(PROTOC) buildplugin ## Generate protofiles for conformance tests.
buf generate --template conformance/buf.gen.yaml -o conformance conformance/proto
buf generate --template conformance/client/buf.gen.yaml -o conformance/client buf.build/connectrpc/conformance:$(CONFORMANCE_VERSION)
buf generate --template conformance/client/buf.gen.lite.yaml -o conformance/client buf.build/connectrpc/conformance:$(CONFORMANCE_VERSION)
buf generate --template conformance/buf.gen.yaml -o conformance/client buf.build/connectrpc/conformance:$(CONFORMANCE_VERSION)

.PHONY: generateexamples
generateexamples: $(PROTOC) buildplugin ## Generate proto files for example apps.
Expand Down
20 changes: 0 additions & 20 deletions conformance/client/buf.gen.lite.yaml

This file was deleted.

17 changes: 0 additions & 17 deletions conformance/client/buf.gen.yaml

This file was deleted.

28 changes: 0 additions & 28 deletions conformance/client/build.gradle.kts
Original file line number Diff line number Diff line change
Expand Up @@ -2,37 +2,9 @@ plugins {
kotlin("jvm")
}

// This base project contains generated code for the lite runtime
// and depends on the Google Protobuf Java Lite runtime.
// The main client logic is implemented in terms of generated
// code for that lite runtime.
//
// The non-lite runtime excludes the Google Protobuf Java Lite
// runtime and instead uses the full Java runtime. It then can
// adapt from the lite-runtime-generated code by serializing to
// bytes and then de-serializing into non-lite-generated types.

sourceSets {
main {
java {
srcDir("build/generated/sources/bufgen")
}
}
}

tasks {
compileKotlin {
kotlinOptions {
// Generated Kotlin code for protobufs uses RequiresOptIn annotation
freeCompilerArgs += "-opt-in=kotlin.RequiresOptIn"
}
}
}

dependencies {
implementation(project(":okhttp"))
implementation(libs.kotlin.coroutines.core)
implementation(libs.protobuf.kotlinlite)
implementation(libs.protobuf.javalite)
implementation(libs.okio.core)
implementation(libs.okhttp.tls)
Expand Down
37 changes: 16 additions & 21 deletions conformance/client/google-java/build.gradle.kts
Original file line number Diff line number Diff line change
@@ -1,38 +1,29 @@
buildscript {
repositories {
mavenCentral()
gradlePluginPortal()
}
dependencies {
classpath(libs.shadowjar)
}
}

plugins {
kotlin("jvm")
alias(libs.plugins.shadowjar)
application
}

application {
mainClass.set("com.connectrpc.conformance.client.java.MainKt")
}

tasks {
compileKotlin {
kotlinOptions {
// Generated Kotlin code for protobufs uses OptIn annotation
// Generated Kotlin code for protobuf uses OptIn annotation
freeCompilerArgs += "-opt-in=kotlin.RequiresOptIn"
}
}
shadowJar {
archiveBaseName.set("shadow")
jar {
manifest {
attributes(mapOf("Main-Class" to "com.connectrpc.conformance.client.java.MainKt"))
attributes(mapOf("Main-Class" to application.mainClass.get()))
}
from(configurations.runtimeClasspath.get().map { if (it.isDirectory) it else zipTree(it) }) {
exclude("META-INF/**/*")
}
}
build {
dependsOn(shadowJar)
}
}

// This project contains an alternate copy of the generated
// types, generated for the non-lite runtime.
sourceSets {
main {
java {
Expand All @@ -43,8 +34,12 @@ sourceSets {

dependencies {
implementation(project(":conformance:client")) {
// Shared module depends on javalite, just for some core
// classes that are shared across both java and javalite
// runtimes, like ByteString and MessageLite. We must
// exclude it here to avoid any classpath ambiguity since
// we pull in the full runtime for this module.
exclude(group = "com.google.protobuf", module = "protobuf-javalite")
exclude(group = "com.google.protobuf", module = "protobuf-kotlinlite")
}
implementation(project(":extensions:google-java"))
implementation(project(":okhttp"))
Expand Down
Original file line number Diff line number Diff line change
@@ -0,0 +1,234 @@
// Copyright 2022-2023 The Connect Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package com.connectrpc.conformance.client.java

import com.connectrpc.ConnectException
import com.connectrpc.Headers
import com.connectrpc.SerializationStrategy
import com.connectrpc.conformance.client.adapt.AnyMessage
import com.connectrpc.conformance.client.adapt.ClientCompatRequest
import com.connectrpc.conformance.client.adapt.ClientCompatRequest.HttpVersion
import com.connectrpc.conformance.client.adapt.ClientCompatRequest.TlsCreds
import com.connectrpc.conformance.client.adapt.ClientCompatResponse
import com.connectrpc.conformance.v1.BidiStreamResponse
import com.connectrpc.conformance.v1.ClientCompatRequest.Cancel.CancelTimingCase
import com.connectrpc.conformance.v1.ClientErrorResult
import com.connectrpc.conformance.v1.ClientResponseResult
import com.connectrpc.conformance.v1.ClientStreamResponse
import com.connectrpc.conformance.v1.Codec
import com.connectrpc.conformance.v1.Compression
import com.connectrpc.conformance.v1.ConformancePayload
import com.connectrpc.conformance.v1.Error
import com.connectrpc.conformance.v1.HTTPVersion
import com.connectrpc.conformance.v1.Header
import com.connectrpc.conformance.v1.IdempotentUnaryResponse
import com.connectrpc.conformance.v1.Protocol
import com.connectrpc.conformance.v1.ServerStreamResponse
import com.connectrpc.conformance.v1.StreamType
import com.connectrpc.conformance.v1.UnaryResponse
import com.connectrpc.conformance.v1.UnimplementedResponse
import com.connectrpc.extensions.GoogleJavaJSONStrategy
import com.connectrpc.extensions.GoogleJavaProtobufStrategy
import com.connectrpc.protocols.NetworkProtocol
import com.google.protobuf.Any
import com.google.protobuf.ByteString
import com.google.protobuf.MessageLite

class JavaHelpers {
companion object {
private const val TYPE_URL_PREFIX = "type.googleapis.com/"

fun serializationStrategy(codec: ClientCompatRequest.Codec): SerializationStrategy {
return when (codec) {
ClientCompatRequest.Codec.PROTO -> GoogleJavaProtobufStrategy()
ClientCompatRequest.Codec.JSON -> GoogleJavaJSONStrategy()
else -> throw RuntimeException("unsupported codec $codec")
}
}

fun unmarshalRequest(bytes: ByteArray): ClientCompatRequest {
val msg = com.connectrpc.conformance.v1.ClientCompatRequest.parseFrom(bytes)
return ClientCompatRequestImpl(msg)
}

fun marshalResponse(resp: ClientCompatResponse): ByteArray {
val builder = com.connectrpc.conformance.v1.ClientCompatResponse
.newBuilder()
.setTestName(resp.testName)
when (val result = resp.result) {
is ClientCompatResponse.Result.ResponseResult -> {
val respBuilder = ClientResponseResult.newBuilder()
.addAllResponseHeaders(toProtoHeaders(result.response.headers))
.addAllPayloads(toProtoPayloads(result.response.payloads))
.addAllResponseTrailers(toProtoHeaders(result.response.trailers))
.setNumUnsentRequests(result.response.numUnsentRequests)
val err = result.response.error
if (err != null) {
respBuilder.setError(toProtoError(err))
}
builder.setResponse(respBuilder)
}
is ClientCompatResponse.Result.ErrorResult -> {
builder.setError(
ClientErrorResult.newBuilder()
.setMessage(result.error),
)
}
}
return builder.build().toByteArray()
}

fun extractPayload(response: MessageLite): MessageLite {
return when (response) {
is UnaryResponse -> response.payload
is IdempotentUnaryResponse -> response.payload
is UnimplementedResponse -> ConformancePayload.getDefaultInstance()
is ClientStreamResponse -> response.payload
is ServerStreamResponse -> response.payload
is BidiStreamResponse -> response.payload
else -> throw RuntimeException("don't know how to extract payload from ${response::class.qualifiedName}")
}
}

private fun fromProtoHeaders(headers: List<Header>): Headers {
return headers.groupingBy(Header::getName).aggregate { _: String, accumulator: List<String>?, element: Header, _: Boolean ->
accumulator?.plus(element.valueList) ?: element.valueList
}
}

private fun toProtoHeaders(headers: Headers): List<Header> {
return headers.map {
Header.newBuilder()
.setName(it.key)
.addAllValue(it.value)
.build()
}
}

private fun toProtoPayloads(payloads: List<MessageLite>): List<ConformancePayload> {
return payloads.map {
if (it is ConformancePayload) {
it
} else {
ConformancePayload.parseFrom(it.toByteArray())
}
}
}

private fun toProtoError(ex: ConnectException): Error {
return Error.newBuilder()
.setCode(ex.code.value)
.setMessage(ex.message ?: ex.code.codeName)
.addAllDetails(
ex.details.map {
Any.newBuilder()
.setTypeUrl(toTypeUrl(it.type))
.setValue(ByteString.copyFrom(it.payload.toByteArray()))
.build()
},
)
.build()
}

private fun toTypeUrl(typeName: String): String {
return if (typeName.contains('/')) typeName else TYPE_URL_PREFIX + typeName
}
}

private class ClientCompatRequestImpl(
private val msg: com.connectrpc.conformance.v1.ClientCompatRequest,
) : ClientCompatRequest {
override val testName: String
get() = msg.testName
override val service: String
get() = msg.service
override val method: String
get() = msg.method
override val host: String
get() = msg.host
override val port: Int
get() = msg.port
override val serverTlsCert: ByteString
get() = msg.serverTlsCert
override val clientTlsCreds: TlsCreds?
get() = if (msg.hasClientTlsCreds()) TlsCredsImpl(msg.clientTlsCreds) else null
override val timeoutMs: Int
get() = msg.timeoutMs
override val requestDelayMs: Int
get() = msg.requestDelayMs
override val useGetHttpMethod: Boolean
get() = msg.useGetHttpMethod
override val httpVersion: HttpVersion
get() = when (msg.httpVersion) {
HTTPVersion.HTTP_VERSION_1 -> HttpVersion.HTTP_1_1
HTTPVersion.HTTP_VERSION_2 -> HttpVersion.HTTP_2
else -> throw RuntimeException("unsupported HTTP version: ${msg.httpVersion}")
}
override val protocol: NetworkProtocol
get() = when (msg.protocol) {
Protocol.PROTOCOL_CONNECT -> NetworkProtocol.CONNECT
Protocol.PROTOCOL_GRPC -> NetworkProtocol.GRPC
Protocol.PROTOCOL_GRPC_WEB -> NetworkProtocol.GRPC_WEB
else -> throw RuntimeException("unsupported protocol: ${msg.protocol}")
}
override val codec: ClientCompatRequest.Codec
get() = when (msg.codec) {
Codec.CODEC_PROTO -> ClientCompatRequest.Codec.PROTO
Codec.CODEC_JSON -> ClientCompatRequest.Codec.JSON
else -> throw RuntimeException("unsupported codec: ${msg.codec}")
}
override val compression: ClientCompatRequest.Compression
get() = when (msg.compression) {
Compression.COMPRESSION_IDENTITY, Compression.COMPRESSION_UNSPECIFIED -> ClientCompatRequest.Compression.IDENTITY
Compression.COMPRESSION_GZIP -> ClientCompatRequest.Compression.GZIP
else -> throw RuntimeException("unsupported compression: ${msg.compression}")
}
override val streamType: ClientCompatRequest.StreamType
get() = when (msg.streamType) {
StreamType.STREAM_TYPE_UNARY -> ClientCompatRequest.StreamType.UNARY
StreamType.STREAM_TYPE_CLIENT_STREAM -> ClientCompatRequest.StreamType.CLIENT_STREAM
StreamType.STREAM_TYPE_SERVER_STREAM -> ClientCompatRequest.StreamType.SERVER_STREAM
StreamType.STREAM_TYPE_HALF_DUPLEX_BIDI_STREAM -> ClientCompatRequest.StreamType.HALF_DUPLEX_BIDI_STREAM
StreamType.STREAM_TYPE_FULL_DUPLEX_BIDI_STREAM -> ClientCompatRequest.StreamType.FULL_DUPLEX_BIDI_STREAM
else -> throw RuntimeException("unsupported stream type: ${msg.streamType}")
}
override val requestHeaders: Headers
get() = fromProtoHeaders(msg.requestHeadersList)
override val requestMessages: List<AnyMessage>
get() = msg.requestMessagesList.map {
AnyMessage(it.typeUrl, it.value)
}
override val cancel: ClientCompatRequest.Cancel?
get() = when (msg.cancel.cancelTimingCase) {
CancelTimingCase.CANCELTIMING_NOT_SET, null ->
null
CancelTimingCase.BEFORE_CLOSE_SEND ->
ClientCompatRequest.Cancel.BeforeCloseSend()
CancelTimingCase.AFTER_CLOSE_SEND_MS ->
ClientCompatRequest.Cancel.AfterCloseSendMs(msg.cancel.afterCloseSendMs)
CancelTimingCase.AFTER_NUM_RESPONSES ->
ClientCompatRequest.Cancel.AfterNumResponses(msg.cancel.afterNumResponses)
}
}

private class TlsCredsImpl(
private val msg: com.connectrpc.conformance.v1.ClientCompatRequest.TLSCreds,
) : TlsCreds {
override val cert: ByteString
get() = msg.cert
override val key: ByteString
get() = msg.key
}
}
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