/*
* Copyright 2017 the original author or 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 org.gradle.workers.internal;
import org.gradle.StartParameter;
import org.gradle.api.logging.Logger;
import org.gradle.api.logging.Logging;
import org.gradle.internal.operations.BuildOperationExecutor;
import org.gradle.internal.time.Timer;
import org.gradle.internal.time.Timers;
import org.gradle.process.internal.JavaExecHandleBuilder;
import org.gradle.process.internal.worker.MultiRequestWorkerProcessBuilder;
import org.gradle.process.internal.worker.WorkerProcess;
import org.gradle.process.internal.worker.WorkerProcessFactory;
import java.io.File;
public class WorkerDaemonStarter {
private final static Logger LOG = Logging.getLogger(WorkerDaemonStarter.class);
private final WorkerProcessFactory workerDaemonProcessFactory;
private final StartParameter startParameter;
private final BuildOperationExecutor buildOperationExecutor;
public WorkerDaemonStarter(WorkerProcessFactory workerDaemonProcessFactory, StartParameter startParameter, BuildOperationExecutor buildOperationExecutor) {
this.workerDaemonProcessFactory = workerDaemonProcessFactory;
this.startParameter = startParameter;
this.buildOperationExecutor = buildOperationExecutor;
}
public <T extends WorkSpec> WorkerDaemonClient<T> startDaemon(Class<? extends WorkerProtocol<T>> workerProtocolImplementationClass, File workingDir, DaemonForkOptions forkOptions) {
LOG.debug("Starting Gradle worker daemon with fork options {}.", forkOptions);
Timer clock = Timers.startTimer();
MultiRequestWorkerProcessBuilder<WorkerDaemonProcess> builder = workerDaemonProcessFactory.multiRequestWorker(WorkerDaemonProcess.class, WorkerProtocol.class, workerProtocolImplementationClass);
builder.setBaseName("Gradle Worker Daemon");
builder.setLogLevel(startParameter.getLogLevel()); // NOTE: might make sense to respect per-compile-task log level
builder.applicationClasspath(forkOptions.getClasspath());
builder.sharedPackages(forkOptions.getSharedPackages());
JavaExecHandleBuilder javaCommand = builder.getJavaCommand();
javaCommand.setMinHeapSize(forkOptions.getMinHeapSize());
javaCommand.setMaxHeapSize(forkOptions.getMaxHeapSize());
javaCommand.setJvmArgs(forkOptions.getJvmArgs());
javaCommand.setWorkingDir(workingDir);
WorkerDaemonProcess workerDaemonProcess = builder.build();
WorkerProcess workerProcess = workerDaemonProcess.start();
WorkerDaemonClient<T> client = new WorkerDaemonClient<T>(forkOptions, workerDaemonProcess, workerProcess, buildOperationExecutor);
LOG.info("Started Gradle worker daemon ({}) with fork options {}.", clock.getElapsed(), forkOptions);
return client;
}
}