Dart: update benchmark to Dart 3.0

dart_grpc_bench/.dockerignore

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+.dockerignore
+Dockerfile
+.dart_tool/

dart_grpc_bench/Dockerfile

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+FROM dart:3.0.5-sdk AS build
+
+WORKDIR /app
+COPY dart_grpc_bench/pubspec.yaml /app/pubspec.yaml
+COPY proto /app/proto
+
+RUN dart pub get
+COPY dart_grpc_bench /app
+# Ensure packages are still up-to-date if anything has changed
+RUN dart pub get --offline
+RUN apt update && apt install -y protobuf-compiler
+RUN dart pub global activate protoc_plugin
+RUN mkdir -p lib/src/generated
+
+RUN protoc --plugin=protoc-gen-dart=$HOME/.pub-cache/bin/protoc-gen-dart \
+    --proto_path=/app/proto/helloworld \
+    --dart_out=grpc:lib/src/generated \
+    -Iproto /app/proto/helloworld/helloworld.proto
+
+RUN dart compile exe bin/server.dart -o bin/server
+
+# ENTRYPOINT [ "/usr/bin/dart", "/app/bin/server.dart" ]
+
+# Build minimal serving image from AOT-compiled `/server` and required system
+# libraries and configuration files stored in `/runtime/` from the build stage.
+FROM scratch
+COPY --from=build /runtime/ /
+COPY --from=build /app/bin/server /app/bin/
+
+# Start server.
+EXPOSE 50051
+CMD ["/app/bin/server"]

dart_grpc_bench/bin/server.dart

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+// Copyright (c) 2018, the gRPC project authors. Please see the AUTHORS file
+// for details. All rights reserved.
+//
+// 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.
+
+/// Dart implementation of the gRPC helloworld.Greeter server.
+import 'dart:io';
+import 'dart:isolate';
+
+import 'package:grpc/grpc.dart';
+
+import 'package:helloworld/src/generated/helloworld.pbgrpc.dart';
+
+class GreeterService extends GreeterServiceBase {
+  @override
+  Future<HelloReply> sayHello(ServiceCall call, HelloRequest request) async {
+    return HelloReply()..response = request.request;
+  }
+}
+
+Future<void> main(List<String> args) async {
+  Map<String, String> env = Platform.environment;
+  final cpus = int.tryParse(env["GRPC_SERVER_CPUS"] ?? '1') ?? 1;
+
+  if (cpus > 1) {
+    for (var serve = 0; serve < cpus; serve++) {
+      Isolate.spawn(_startServer, []);
+    }
+  }
+  // Bind one server in current Isolate
+  _startServer();
+
+  print('Server listening on port 50051...');
+  await ProcessSignal.sigterm.watch().first;
+}
+
+void _startServer([List? args]) async {
+  final server = Server.create(
+    services: [GreeterService()],
+  );
+  await server.serve(
+      address: InternetAddress.anyIPv4, port: 50051, shared: true);
+}

dart_grpc_bench/pubspec.lock

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+# Generated by pub
+# See https://dart.dev/tools/pub/glossary#lockfile
+packages:
+  archive:
+    dependency: transitive
+    description:
+      name: archive
+      sha256: d6347d54a2d8028e0437e3c099f66fdb8ae02c4720c1e7534c9f24c10351f85d
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.3.6"
+  async:
+    dependency: "direct main"
+    description:
+      name: async
+      sha256: "947bfcf187f74dbc5e146c9eb9c0f10c9f8b30743e341481c1e2ed3ecc18c20c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.11.0"
+  collection:
+    dependency: transitive
+    description:
+      name: collection
+      sha256: "4a07be6cb69c84d677a6c3096fcf960cc3285a8330b4603e0d463d15d9bd934c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.17.1"
+  convert:
+    dependency: transitive
+    description:
+      name: convert
+      sha256: "0f08b14755d163f6e2134cb58222dd25ea2a2ee8a195e53983d57c075324d592"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.1"
+  crypto:
+    dependency: transitive
+    description:
+      name: crypto
+      sha256: aa274aa7774f8964e4f4f38cc994db7b6158dd36e9187aaceaddc994b35c6c67
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.2"
+  fixnum:
+    dependency: transitive
+    description:
+      name: fixnum
+      sha256: "25517a4deb0c03aa0f32fd12db525856438902d9c16536311e76cdc57b31d7d1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.0"
+  googleapis_auth:
+    dependency: transitive
+    description:
+      name: googleapis_auth
+      sha256: "127b1bbd32170ab8312f503bd57f1d654d8e4039ddfbc63c027d3f7ade0eff74"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.3.1"
+  grpc:
+    dependency: "direct main"
+    description:
+      name: grpc
+      sha256: "4e9bff1ebb4ff370cf471b1ab85007b408ade867dcc34b551eee7ee7da573002"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.2.2"
+  http:
+    dependency: transitive
+    description:
+      name: http
+      sha256: "6aa2946395183537c8b880962d935877325d6a09a2867c3970c05c0fed6ac482"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.13.5"
+  http2:
+    dependency: transitive
+    description:
+      name: http2
+      sha256: "58805ebc6513eed3b98ee0a455a8357e61d187bf2e0fdc1e53120770f78de258"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.1"
+  http_parser:
+    dependency: transitive
+    description:
+      name: http_parser
+      sha256: "2aa08ce0341cc9b354a498388e30986515406668dbcc4f7c950c3e715496693b"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.0.2"
+  js:
+    dependency: transitive
+    description:
+      name: js
+      sha256: f2c445dce49627136094980615a031419f7f3eb393237e4ecd97ac15dea343f3
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.6.7"
+  meta:
+    dependency: transitive
+    description:
+      name: meta
+      sha256: "12307e7f0605ce3da64cf0db90e5fcab0869f3ca03f76be6bb2991ce0a55e82b"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.9.0"
+  path:
+    dependency: transitive
+    description:
+      name: path
+      sha256: "8829d8a55c13fc0e37127c29fedf290c102f4e40ae94ada574091fe0ff96c917"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.8.3"
+  pointycastle:
+    dependency: transitive
+    description:
+      name: pointycastle
+      sha256: db7306cf0249f838d1a24af52b5a5887c5bf7f31d8bb4e827d071dc0939ad346
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.6.2"
+  protobuf:
+    dependency: "direct main"
+    description:
+      name: protobuf
+      sha256: "4034a02b7e231e7e60bff30a8ac13a7347abfdac0798595fae0b90a3f0afe759"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.0"
+  source_span:
+    dependency: transitive
+    description:
+      name: source_span
+      sha256: dd904f795d4b4f3b870833847c461801f6750a9fa8e61ea5ac53f9422b31f250
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.9.1"
+  string_scanner:
+    dependency: transitive
+    description:
+      name: string_scanner
+      sha256: "556692adab6cfa87322a115640c11f13cb77b3f076ddcc5d6ae3c20242bedcde"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.0"
+  term_glyph:
+    dependency: transitive
+    description:
+      name: term_glyph
+      sha256: a29248a84fbb7c79282b40b8c72a1209db169a2e0542bce341da992fe1bc7e84
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.1"
+  typed_data:
+    dependency: transitive
+    description:
+      name: typed_data
+      sha256: "26f87ade979c47a150c9eaab93ccd2bebe70a27dc0b4b29517f2904f04eb11a5"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.3.1"
+sdks:
+  dart: ">=3.0.5 <4.0.0"

dart_grpc_bench/pubspec.yaml

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+name: helloworld
+
+environment:
+  sdk: ^3.0.5
+
+dependencies:
+  async: ^2.11.0
+  grpc: ^3.2.0
+  protobuf: ^3.0.0