/*
* Copyright 2010-2013 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.springframework.data.gemfire.fork;
import java.io.File;
import org.apache.geode.distributed.ServerLauncher;
import org.apache.geode.distributed.internal.DistributionConfig;
import org.springframework.data.gemfire.process.support.ProcessUtils;
import org.springframework.data.gemfire.test.support.FileSystemUtils;
/**
* The {@link GemFireBasedServerProcess} class is a main Java class used to launch a GemFire Server
* using GemFire's {@link ServerLauncher} API.
*
* @author John Blum
* @see org.apache.geode.distributed.ServerLauncher
* @since 1.7.0
*/
public class GemFireBasedServerProcess {
private static final String GEMFIRE_HTTP_SERVICE_PORT = "0";
private static final String GEMFIRE_LOG_LEVEL = "warning";
private static final String GEMIRE_NAME = "SpringDataGemFireServer";
private static final String GEMFIRE_USE_CLUSTER_CONFIGURATION = "false";
public static void main(String[] args) throws Throwable {
runServer(args);
registerShutdownHook();
ProcessUtils.writePid(new File(FileSystemUtils.WORKING_DIRECTORY, getServerProcessControlFilename()),
ProcessUtils.currentPid());
ProcessUtils.waitForStopSignal();
}
private static ServerLauncher runServer(String[] args) {
ServerLauncher serverLauncher = buildServerLauncher(args);
// start the GemFire Server process...
serverLauncher.start();
return serverLauncher;
}
private static ServerLauncher buildServerLauncher(String[] args) {
return new ServerLauncher.Builder(args)
.setMemberName(getProperty("gemfire.name", GEMIRE_NAME))
.setCommand(ServerLauncher.Command.START)
.setDisableDefaultServer(true)
.setRedirectOutput(false)
.set(DistributionConfig.HTTP_SERVICE_PORT_NAME,
getProperty("spring.data.gemfire.http-service-port", GEMFIRE_HTTP_SERVICE_PORT))
.set(DistributionConfig.JMX_MANAGER_NAME, Boolean.TRUE.toString())
.set(DistributionConfig.JMX_MANAGER_START_NAME, Boolean.FALSE.toString())
.set(DistributionConfig.LOG_LEVEL_NAME,
getProperty("spring.data.gemfire.log-level", GEMFIRE_LOG_LEVEL))
.set(DistributionConfig.USE_CLUSTER_CONFIGURATION_NAME,
getProperty("spring.data.gemfire.use-cluster-configuration", GEMFIRE_USE_CLUSTER_CONFIGURATION))
.build();
}
private static String getProperty(String name, String defaultValue) {
return System.getProperty(name, defaultValue);
}
private static void registerShutdownHook() {
Runtime.getRuntime().addShutdownHook(new Thread(() -> {
ServerLauncher serverLauncher = ServerLauncher.getInstance();
if (serverLauncher != null) {
serverLauncher.stop();
}
}));
}
public static String getServerProcessControlFilename() {
return GemFireBasedServerProcess.class.getSimpleName().toLowerCase().concat(".pid");
}
}