| /* |
| * 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.distributed.internal.membership.gms; |
| |
| import java.net.InetAddress; |
| import java.net.InetSocketAddress; |
| import java.net.UnknownHostException; |
| import java.util.ArrayList; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| import java.util.StringTokenizer; |
| |
| import org.apache.geode.GemFireConfigException; |
| import org.apache.geode.distributed.internal.membership.gms.membership.HostAddress; |
| import org.apache.geode.internal.net.SocketCreator; |
| |
| public class GMSUtil { |
| |
| /** |
| * parse locators & check that the resulting address is compatible with the given address |
| * |
| * @param locatorsString a DistributionConfig "locators" string |
| * @param bindAddress optional address to check for loopback compatibility |
| * @return addresses of locators |
| */ |
| public static List<HostAddress> parseLocators(String locatorsString, String bindAddress) { |
| InetAddress addr = null; |
| |
| try { |
| if (bindAddress == null || bindAddress.trim().length() == 0) { |
| addr = SocketCreator.getLocalHost(); |
| } else { |
| addr = InetAddress.getByName(bindAddress); |
| } |
| } catch (UnknownHostException e) { |
| // ignore |
| } |
| return parseLocators(locatorsString, addr); |
| } |
| |
| /** |
| * parse locators & check that the resulting address is compatible with the given address |
| * |
| * @param locatorsString a DistributionConfig "locators" string |
| * @param bindAddress optional address to check for loopback compatibility |
| * @return addresses of locators |
| */ |
| public static List<HostAddress> parseLocators(String locatorsString, InetAddress bindAddress) { |
| List<HostAddress> result = new ArrayList<>(2); |
| Set<InetSocketAddress> inetAddresses = new HashSet<>(); |
| String host; |
| int port; |
| boolean checkLoopback = (bindAddress != null); |
| boolean isLoopback = (checkLoopback && bindAddress.isLoopbackAddress()); |
| |
| StringTokenizer parts = new StringTokenizer(locatorsString, ","); |
| while (parts.hasMoreTokens()) { |
| try { |
| String str = parts.nextToken(); |
| host = str.substring(0, str.indexOf('[')); |
| int idx = host.lastIndexOf('@'); |
| if (idx < 0) { |
| idx = host.lastIndexOf(':'); |
| } |
| String start = host.substring(0, idx > -1 ? idx : host.length()); |
| if (start.indexOf(':') >= 0) { // a single numeric ipv6 address |
| idx = host.lastIndexOf('@'); |
| } |
| if (idx >= 0) { |
| host = host.substring(idx + 1, host.length()); |
| } |
| |
| int startIdx = str.indexOf('[') + 1; |
| int endIdx = str.indexOf(']'); |
| port = Integer.parseInt(str.substring(startIdx, endIdx)); |
| if (port <= 0) { |
| continue; |
| } |
| InetSocketAddress isa = new InetSocketAddress(host, port); |
| |
| if (checkLoopback) { |
| if (isLoopback && !isa.getAddress().isLoopbackAddress()) { |
| throw new GemFireConfigException( |
| "This process is attempting to join with a loopback address (" + bindAddress |
| + ") using a locator that does not have a local address (" + isa |
| + "). On Unix this usually means that /etc/hosts is misconfigured."); |
| } |
| } |
| HostAddress la = new HostAddress(isa, host); |
| if (!inetAddresses.contains(isa)) { |
| inetAddresses.add(isa); |
| result.add(la); |
| } |
| } catch (NumberFormatException e) { |
| // this shouldn't happen because the config has already been parsed and |
| // validated |
| } |
| } |
| |
| return result; |
| } |
| |
| /** |
| * replaces all occurrences of a given string in the properties argument with the given value |
| */ |
| public static String replaceStrings(String properties, String property, String value) { |
| StringBuilder sb = new StringBuilder(); |
| int start = 0; |
| int index = properties.indexOf(property); |
| while (index != -1) { |
| sb.append(properties.substring(start, index)); |
| sb.append(value); |
| |
| start = index + property.length(); |
| index = properties.indexOf(property, start); |
| } |
| sb.append(properties.substring(start)); |
| return sb.toString(); |
| } |
| |
| } |