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allow blocking IPs from updating metrics about traffic
patch by David Capwell; reviewed by Benjamin Lerer, Caleb Rackliffe, Jon Meredith for CASSANDRA-16859
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,139 @@ | ||
| /* | ||
| * 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(); | ||
|
|
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| 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(); | ||
| } | ||
| } | ||
| } |
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