| /* |
| * 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.cassandra.config; |
| |
| import java.net.InetAddress; |
| import java.net.InetSocketAddress; |
| import java.net.SocketAddress; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Objects; |
| import java.util.Set; |
| import java.util.stream.Collectors; |
| |
| import com.google.common.base.Preconditions; |
| import com.google.common.collect.ImmutableSet; |
| |
| import inet.ipaddr.IPAddressNetwork; |
| import inet.ipaddr.IPAddressString; |
| |
| /** |
| * When a group of subnets are needed, this class can be used to represent the group as if it was a single subnet. |
| * |
| * This class supports IPV4 and IPV6 subnets |
| */ |
| public class SubnetGroups |
| { |
| public Set<Group> subnets = Collections.emptySet(); |
| |
| public SubnetGroups() |
| { |
| } |
| |
| /** Used by SnakeYaml */ |
| @SuppressWarnings("unused") |
| public SubnetGroups(List<String> values) |
| { |
| this.subnets = ImmutableSet.copyOf(values.stream().map(Group::new).collect(Collectors.toSet())); |
| } |
| |
| public boolean contains(SocketAddress address) |
| { |
| Preconditions.checkNotNull(address); |
| Preconditions.checkArgument(address instanceof InetSocketAddress, "Unsupported socket address type: " + address.getClass()); |
| return contains(((InetSocketAddress) address).getAddress()); |
| } |
| |
| public boolean contains(InetAddress address) |
| { |
| for (Group group : subnets) |
| { |
| if (group.contains(address)) |
| { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| public boolean isEmpty() |
| { |
| return subnets.isEmpty(); |
| } |
| |
| @Override |
| public boolean equals(Object o) |
| { |
| if (this == o) return true; |
| if (o == null || getClass() != o.getClass()) return false; |
| SubnetGroups that = (SubnetGroups) o; |
| return subnets.equals(that.subnets); |
| } |
| |
| @Override |
| public int hashCode() |
| { |
| return Objects.hash(subnets); |
| } |
| |
| @Override |
| public String toString() |
| { |
| return "SubnetGroups{" + |
| "subnets=" + subnets + |
| '}'; |
| } |
| |
| private static class Group |
| { |
| private static final IPAddressNetwork.IPAddressGenerator IP_ADDRESS_GENERATOR = new IPAddressNetwork.IPAddressGenerator(); |
| |
| private final IPAddressString subnet; |
| |
| Group(String range) |
| { |
| subnet = new IPAddressString(range); |
| } |
| |
| boolean contains(InetAddress address) |
| { |
| return subnet.contains(IP_ADDRESS_GENERATOR.from(address).toAddressString()); |
| } |
| |
| @Override |
| public boolean equals(Object o) |
| { |
| if (this == o) return true; |
| if (o == null || getClass() != o.getClass()) return false; |
| Group group = (Group) o; |
| return subnet.equals(group.subnet); |
| } |
| |
| @Override |
| public int hashCode() |
| { |
| return Objects.hash(subnet); |
| } |
| |
| @Override |
| public String toString() |
| { |
| return subnet.toString(); |
| } |
| } |
| } |