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/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed 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 com.android.server.net;
import static android.net.NetworkStats.SET_DEFAULT;
import static android.net.NetworkStats.TAG_NONE;
import static android.net.NetworkStats.UID_ALL;
import static android.net.NetworkTemplate.buildTemplateMobileAll;
import static android.text.format.DateUtils.HOUR_IN_MILLIS;
import static android.text.format.DateUtils.MINUTE_IN_MILLIS;
import android.content.res.Resources;
import android.net.NetworkStats;
import android.net.NetworkTemplate;
import android.test.AndroidTestCase;
import android.test.suitebuilder.annotation.MediumTest;
import com.android.frameworks.servicestests.R;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import libcore.io.IoUtils;
import libcore.io.Streams;
/**
* Tests for {@link NetworkStatsCollection}.
*/
@MediumTest
public class NetworkStatsCollectionTest extends AndroidTestCase {
private static final String TEST_FILE = "test.bin";
private static final String TEST_IMSI = "310260000000000";
@Override
public void setUp() throws Exception {
super.setUp();
// ignore any device overlay while testing
NetworkTemplate.forceAllNetworkTypes();
}
public void testReadLegacyNetwork() throws Exception {
final File testFile = new File(getContext().getFilesDir(), TEST_FILE);
stageFile(R.raw.netstats_v1, testFile);
final NetworkStatsCollection collection = new NetworkStatsCollection(30 * MINUTE_IN_MILLIS);
collection.readLegacyNetwork(testFile);
// verify that history read correctly
assertSummaryTotal(collection, buildTemplateMobileAll(TEST_IMSI),
636016770L, 709306L, 88038768L, 518836L);
// now export into a unified format
final ByteArrayOutputStream bos = new ByteArrayOutputStream();
collection.write(new DataOutputStream(bos));
// clear structure completely
collection.reset();
assertSummaryTotal(collection, buildTemplateMobileAll(TEST_IMSI),
0L, 0L, 0L, 0L);
// and read back into structure, verifying that totals are same
collection.read(new ByteArrayInputStream(bos.toByteArray()));
assertSummaryTotal(collection, buildTemplateMobileAll(TEST_IMSI),
636016770L, 709306L, 88038768L, 518836L);
}
public void testReadLegacyUid() throws Exception {
final File testFile = new File(getContext().getFilesDir(), TEST_FILE);
stageFile(R.raw.netstats_uid_v4, testFile);
final NetworkStatsCollection collection = new NetworkStatsCollection(30 * MINUTE_IN_MILLIS);
collection.readLegacyUid(testFile, false);
// verify that history read correctly
assertSummaryTotal(collection, buildTemplateMobileAll(TEST_IMSI),
637076152L, 711413L, 88343717L, 521022L);
// now export into a unified format
final ByteArrayOutputStream bos = new ByteArrayOutputStream();
collection.write(new DataOutputStream(bos));
// clear structure completely
collection.reset();
assertSummaryTotal(collection, buildTemplateMobileAll(TEST_IMSI),
0L, 0L, 0L, 0L);
// and read back into structure, verifying that totals are same
collection.read(new ByteArrayInputStream(bos.toByteArray()));
assertSummaryTotal(collection, buildTemplateMobileAll(TEST_IMSI),
637076152L, 711413L, 88343717L, 521022L);
}
public void testReadLegacyUidTags() throws Exception {
final File testFile = new File(getContext().getFilesDir(), TEST_FILE);
stageFile(R.raw.netstats_uid_v4, testFile);
final NetworkStatsCollection collection = new NetworkStatsCollection(30 * MINUTE_IN_MILLIS);
collection.readLegacyUid(testFile, true);
// verify that history read correctly
assertSummaryTotalIncludingTags(collection, buildTemplateMobileAll(TEST_IMSI),
77017831L, 100995L, 35436758L, 92344L);
// now export into a unified format
final ByteArrayOutputStream bos = new ByteArrayOutputStream();
collection.write(new DataOutputStream(bos));
// clear structure completely
collection.reset();
assertSummaryTotalIncludingTags(collection, buildTemplateMobileAll(TEST_IMSI),
0L, 0L, 0L, 0L);
// and read back into structure, verifying that totals are same
collection.read(new ByteArrayInputStream(bos.toByteArray()));
assertSummaryTotalIncludingTags(collection, buildTemplateMobileAll(TEST_IMSI),
77017831L, 100995L, 35436758L, 92344L);
}
public void testStartEndAtomicBuckets() throws Exception {
final NetworkStatsCollection collection = new NetworkStatsCollection(HOUR_IN_MILLIS);
// record empty data straddling between buckets
final NetworkStats.Entry entry = new NetworkStats.Entry();
entry.rxBytes = 32;
collection.recordData(null, UID_ALL, SET_DEFAULT, TAG_NONE, 30 * MINUTE_IN_MILLIS,
90 * MINUTE_IN_MILLIS, entry);
// assert that we report boundary in atomic buckets
assertEquals(0, collection.getStartMillis());
assertEquals(2 * HOUR_IN_MILLIS, collection.getEndMillis());
}
/**
* Copy a {@link Resources#openRawResource(int)} into {@link File} for
* testing purposes.
*/
private void stageFile(int rawId, File file) throws Exception {
new File(file.getParent()).mkdirs();
InputStream in = null;
OutputStream out = null;
try {
in = getContext().getResources().openRawResource(rawId);
out = new FileOutputStream(file);
Streams.copy(in, out);
} finally {
IoUtils.closeQuietly(in);
IoUtils.closeQuietly(out);
}
}
private static void assertSummaryTotal(NetworkStatsCollection collection,
NetworkTemplate template, long rxBytes, long rxPackets, long txBytes, long txPackets) {
final NetworkStats.Entry entry = collection.getSummary(
template, Long.MIN_VALUE, Long.MAX_VALUE).getTotal(null);
assertEntry(entry, rxBytes, rxPackets, txBytes, txPackets);
}
private static void assertSummaryTotalIncludingTags(NetworkStatsCollection collection,
NetworkTemplate template, long rxBytes, long rxPackets, long txBytes, long txPackets) {
final NetworkStats.Entry entry = collection.getSummary(
template, Long.MIN_VALUE, Long.MAX_VALUE).getTotalIncludingTags(null);
assertEntry(entry, rxBytes, rxPackets, txBytes, txPackets);
}
private static void assertEntry(
NetworkStats.Entry entry, long rxBytes, long rxPackets, long txBytes, long txPackets) {
assertEquals("unexpected rxBytes", rxBytes, entry.rxBytes);
assertEquals("unexpected rxPackets", rxPackets, entry.rxPackets);
assertEquals("unexpected txBytes", txBytes, entry.txBytes);
assertEquals("unexpected txPackets", txPackets, entry.txPackets);
}
}
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