| // Copyright 2016 The Bazel Authors. 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. |
| |
| package com.google.devtools.build.lib.runtime; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static com.google.common.base.Preconditions.checkState; |
| import static com.google.devtools.build.lib.buildeventstream.transports.BuildEventTransportFactory.createFromOptions; |
| |
| import com.google.common.annotations.VisibleForTesting; |
| import com.google.common.base.Optional; |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.ImmutableSet; |
| import com.google.devtools.build.lib.buildeventstream.BuildEventTransport; |
| import com.google.devtools.build.lib.buildeventstream.transports.BuildEventStreamOptions; |
| import com.google.devtools.build.lib.util.AbruptExitException; |
| import com.google.devtools.build.lib.util.ExitCode; |
| import com.google.devtools.common.options.OptionsBase; |
| import com.google.devtools.common.options.OptionsProvider; |
| import java.io.IOException; |
| |
| |
| /** Module responsible for configuring BuildEventStreamer and transports. */ |
| public class BuildEventStreamerModule extends BlazeModule { |
| |
| private CommandEnvironment commandEnvironment; |
| |
| @Override |
| public Iterable<Class<? extends OptionsBase>> getCommandOptions(Command command) { |
| return ImmutableList.<Class<? extends OptionsBase>>of(BuildEventStreamOptions.class); |
| } |
| |
| @Override |
| public void beforeCommand(Command command, CommandEnvironment commandEnvironment) |
| throws AbruptExitException { |
| this.commandEnvironment = commandEnvironment; |
| } |
| |
| @Override |
| public void handleOptions(OptionsProvider optionsProvider) { |
| checkState(commandEnvironment != null, "Methods called out of order"); |
| Optional<BuildEventStreamer> streamer = |
| tryCreateStreamer(optionsProvider, commandEnvironment.getBlazeModuleEnvironment()); |
| if (streamer.isPresent()) { |
| commandEnvironment.getReporter().addHandler(streamer.get()); |
| commandEnvironment.getEventBus().register(streamer.get()); |
| } |
| } |
| |
| @VisibleForTesting |
| Optional<BuildEventStreamer> tryCreateStreamer( |
| OptionsProvider optionsProvider, ModuleEnvironment moduleEnvironment) { |
| try { |
| BuildEventStreamOptions besOptions = |
| checkNotNull( |
| optionsProvider.getOptions(BuildEventStreamOptions.class), |
| "Could not get BuildEventStreamOptions"); |
| ImmutableSet<BuildEventTransport> buildEventTransports = createFromOptions(besOptions); |
| if (!buildEventTransports.isEmpty()) { |
| BuildEventStreamer streamer = new BuildEventStreamer(buildEventTransports); |
| return Optional.of(streamer); |
| } |
| } catch (IOException e) { |
| moduleEnvironment.exit(new AbruptExitException(ExitCode.LOCAL_ENVIRONMENTAL_ERROR, e)); |
| } |
| return Optional.absent(); |
| } |
| } |