/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.elasticsearch.search.aggregations.bucket.range;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.InetAddressPoint;
import org.apache.lucene.document.SortedSetDocValuesField;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.RandomIndexWriter;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.MatchAllDocsQuery;
import org.apache.lucene.store.Directory;
import org.apache.lucene.util.BytesRef;
import org.elasticsearch.common.collect.Tuple;
import org.elasticsearch.common.network.NetworkAddress;
import org.elasticsearch.index.mapper.IpFieldMapper;
import org.elasticsearch.index.mapper.MappedFieldType;
import org.elasticsearch.search.DocValueFormat;
import org.elasticsearch.search.aggregations.AggregatorTestCase;
import org.elasticsearch.search.aggregations.bucket.range.ip.IpRangeAggregationBuilder;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.Arrays;
import java.util.Comparator;
public class IpRangeAggregatorTests extends AggregatorTestCase {
private static InetAddress randomIp(boolean v4) {
try {
if (v4) {
byte[] ipv4 = new byte[4];
random().nextBytes(ipv4);
return InetAddress.getByAddress(ipv4);
} else {
byte[] ipv6 = new byte[16];
random().nextBytes(ipv6);
return InetAddress.getByAddress(ipv6);
}
} catch (UnknownHostException e) {
throw new AssertionError();
}
}
private static boolean isInRange(BytesRef value, BytesRef from, BytesRef to) {
if ((to == null || to.compareTo(value) > 0) && (from == null || from.compareTo(value) <= 0)) {
return true;
}
return false;
}
private static final Comparator<Tuple<BytesRef, BytesRef> > RANGE_COMPARATOR = (a, b) -> {
int cmp = compare(a.v1(), b.v1(), 1);
if (cmp == 0) {
cmp = compare(a.v2(), b.v2(), -1);
}
return cmp;
};
private static int compare(BytesRef a, BytesRef b, int m) {
return a == null
? b == null ? 0 : -m
: b == null ? m : a.compareTo(b);
}
public void testRanges() throws Exception {
boolean v4 = randomBoolean();
IpRangeAggregationBuilder builder = new IpRangeAggregationBuilder("test_agg").field("field");
int numRanges = randomIntBetween(1, 10);
Tuple<BytesRef, BytesRef>[] requestedRanges = new Tuple[numRanges];
for (int i = 0; i < numRanges; i++) {
Tuple<InetAddress, BytesRef>[] arr = new Tuple[2];
for (int j = 0; j < 2; j++) {
InetAddress addr = randomIp(v4);
arr[j] = new Tuple(addr, new BytesRef(InetAddressPoint.encode(addr)));
}
Arrays.sort(arr, (t1, t2) -> t1.v2().compareTo(t2.v2()));
if (rarely()) {
if (randomBoolean()) {
builder.addRange(NetworkAddress.format(arr[0].v1()), null);
requestedRanges[i] = new Tuple(arr[0].v2(), null);
} else {
builder.addRange(null, NetworkAddress.format(arr[1].v1()));
requestedRanges[i] = new Tuple(null, arr[1].v2());
}
} else {
builder.addRange(NetworkAddress.format(arr[0].v1()), NetworkAddress.format(arr[1].v1()));
requestedRanges[i] = new Tuple(arr[0].v2(), arr[1].v2());
}
}
Arrays.sort(requestedRanges, RANGE_COMPARATOR);
int[] expectedCounts = new int[numRanges];
try (Directory dir = newDirectory();
RandomIndexWriter w = new RandomIndexWriter(random(), dir)) {
int numDocs = randomIntBetween(10, 100);
for (int i = 0; i < numDocs; i++) {
Document doc = new Document();
int numValues = randomIntBetween(1, 5);
BytesRef[] values = new BytesRef[numValues];
for (int j = 0; j < numValues; j++) {
values[j] = new BytesRef(InetAddressPoint.encode(randomIp(v4)));
doc.add(new SortedSetDocValuesField("field", values[j]));
}
Arrays.sort(values);
for (int j = 0; j < numRanges; j++) {
for (int k = 0; k < numValues; k++) {
if (isInRange(values[k], requestedRanges[j].v1(), requestedRanges[j].v2())) {
expectedCounts[j]++;
break;
}
}
}
w.addDocument(doc);
}
MappedFieldType fieldType = new IpFieldMapper.IpFieldType();
fieldType.setName("field");
try (IndexReader reader = w.getReader()) {
IndexSearcher searcher = new IndexSearcher(reader);
InternalBinaryRange range = search(searcher, new MatchAllDocsQuery(), builder, fieldType);
assertEquals(numRanges, range.getBuckets().size());
for (int i = 0; i < range.getBuckets().size(); i++) {
Tuple<BytesRef, BytesRef> expected = requestedRanges[i];
Range.Bucket bucket = range.getBuckets().get(i);
if (expected.v1() == null) {
assertNull(bucket.getFrom());
} else {
assertEquals(DocValueFormat.IP.format(expected.v1()), bucket.getFrom());
}
if (expected.v2() == null) {
assertNull(bucket.getTo());
} else {
assertEquals(DocValueFormat.IP.format(expected.v2()), bucket.getTo());
}
assertEquals(expectedCounts[i], bucket.getDocCount());
}
}
}
}
}