| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more contributor license |
| * agreements. See the NOTICE file distributed with this work for additional information regarding |
| * copyright ownership. The ASF licenses this file to You 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.apache.geode.internal; |
| |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.net.InetAddress; |
| import java.util.Properties; |
| |
| import org.apache.logging.log4j.Logger; |
| |
| import org.apache.geode.SystemFailure; |
| import org.apache.geode.annotations.internal.MakeNotStatic; |
| import org.apache.geode.distributed.internal.InternalDistributedSystem; |
| import org.apache.geode.distributed.internal.InternalLocator; |
| import org.apache.geode.logging.internal.executors.LoggingThread; |
| import org.apache.geode.logging.internal.log4j.api.LogService; |
| import org.apache.geode.util.internal.GeodeGlossary; |
| |
| /** |
| * This class is used to work with a managed VM that hosts a |
| * {@link org.apache.geode.distributed.Locator}. |
| * |
| * @since GemFire 2.0 |
| */ |
| public class DistributionLocator { |
| |
| private static final Logger logger = LogService.getLogger(); |
| |
| public static final String TEST_OVERRIDE_DEFAULT_PORT_PROPERTY = |
| GeodeGlossary.GEMFIRE_PREFIX + "test.DistributionLocator.OVERRIDE_DEFAULT_PORT"; |
| |
| /** Default file name for locator log: <code>"locator.log"</code> */ |
| public static final String DEFAULT_LOG_FILE = "locator.log"; |
| public static final String DEFAULT_STARTUP_LOG_FILE = "start_locator.log"; |
| |
| public static final int DEFAULT_LOCATOR_PORT = 10334; |
| public static final boolean LOAD_SHARED_CONFIGURATION = false; |
| |
| public static int parsePort(String portOption) { |
| if (portOption == null || portOption.equals("")) { |
| return Integer.getInteger(TEST_OVERRIDE_DEFAULT_PORT_PROPERTY, DEFAULT_LOCATOR_PORT); |
| } else { |
| int result = Integer.parseInt(portOption); |
| if (result < 1 || result > 65535) { |
| throw new IllegalArgumentException( |
| "The -port= argument must be greater than 0 and less than 65536."); |
| } else { |
| return result; |
| } |
| } |
| } |
| |
| @MakeNotStatic |
| private static boolean shutdown = false; |
| @MakeNotStatic |
| private static File lockFile = null; |
| private static final File directory = (new File("")).getAbsoluteFile(); |
| |
| /** |
| * Cleans up the artifacts left by this managed locator VM. |
| */ |
| protected static void shutdown(int port, InetAddress address) throws IOException { |
| if (shutdown) { |
| return; |
| } |
| shutdown = true; |
| if (directory != null) { |
| ManagerInfo.setLocatorStopping(directory, port, address); |
| } |
| if (lockFile != null) { |
| if (!lockFile.delete() && lockFile.exists()) { |
| IOException e = new IOException("Unable to delete " + lockFile.getAbsolutePath()); |
| e.printStackTrace(); // What else to do? |
| } |
| } |
| logger.info("Locator stopped"); |
| } |
| |
| public static void main(String args[]) { |
| if (args.length == 0 || args.length > 6) { |
| System.err.println( |
| "Usage: port [bind-address] [peerLocator] [serverLocator] [hostname-for-clients]"); |
| System.err |
| .println("A zero-length address will bind to localhost"); |
| System.err.println( |
| "A zero-length gemfire-properties-file will mean use the default search path"); |
| System.err.println( |
| "peerLocator and serverLocator both default to true"); |
| System.err.println( |
| "A zero-length hostname-for-clients will default to bind-address"); |
| ExitCode.FATAL.doSystemExit(); |
| } else { |
| shutdown = false; |
| } |
| SystemFailure.loadEmergencyClasses(); |
| |
| final int port = parsePort(args[0]); |
| InetAddress address = null; |
| boolean peerLocator = true; |
| boolean serverLocator = true; |
| String hostnameForClients = null; |
| try { |
| if (args.length > 1 && !args[1].equals("")) { |
| if (!SystemAdmin.validLocalAddress(args[1])) { |
| System.err.println( |
| String.format("'%s' is not a valid IP address for this machine", |
| args[1])); |
| ExitCode.FATAL.doSystemExit(); |
| } |
| address = InetAddress.getByName(args[1]); |
| } else { |
| // address = null; // was InetAddress.getLocalHost(); (redundant assignment) |
| } |
| if (args.length > 2) { |
| peerLocator = "true".equalsIgnoreCase(args[2]); |
| } |
| if (args.length > 3) { |
| serverLocator = "true".equalsIgnoreCase(args[3]); |
| } |
| if (args.length > 4) { |
| hostnameForClients = args[4]; |
| } |
| |
| if (!Boolean.getBoolean(InternalDistributedSystem.DISABLE_SHUTDOWN_HOOK_PROPERTY)) { |
| final InetAddress faddress = address; |
| Runtime.getRuntime() |
| .addShutdownHook(new LoggingThread("LocatorShutdownThread", false, () -> { |
| try { |
| DistributionLocator.shutdown(port, faddress); |
| } catch (IOException e) { |
| e.printStackTrace(); |
| } |
| })); |
| } |
| |
| lockFile = ManagerInfo.setLocatorStarting(directory, port, address); |
| lockFile.deleteOnExit(); |
| |
| try { |
| |
| InternalLocator locator = InternalLocator.startLocator(port, new File(DEFAULT_LOG_FILE), |
| null, null, address, true, (Properties) null, hostnameForClients); |
| |
| ManagerInfo.setLocatorStarted(directory, port, address); |
| locator.waitToStop(); |
| |
| } finally { |
| shutdown(port, address); |
| } |
| |
| } catch (InterruptedException ex) { |
| // We were interrupted while waiting for the locator to stop. |
| // No big deal. |
| |
| } catch (java.net.BindException ex) { |
| logger.fatal("Could not bind locator to {}[{}]", |
| new Object[] {address, port}); |
| ExitCode.FATAL.doSystemExit(); |
| |
| } catch (Exception ex) { |
| logger.fatal("Could not start locator", |
| ex); |
| ExitCode.FATAL.doSystemExit(); |
| } |
| } |
| |
| } |