| /* |
| * Copyright (C) 2011 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.internal.net; |
| |
| import static android.net.NetworkStats.DEFAULT_NETWORK_NO; |
| import static android.net.NetworkStats.METERED_NO; |
| import static android.net.NetworkStats.ROAMING_NO; |
| import static android.net.NetworkStats.SET_ALL; |
| import static android.net.NetworkStats.SET_DEFAULT; |
| import static android.net.NetworkStats.SET_FOREGROUND; |
| import static android.net.NetworkStats.TAG_NONE; |
| import static android.net.NetworkStats.UID_ALL; |
| import static com.android.server.NetworkManagementSocketTagger.kernelToTag; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.fail; |
| |
| import android.content.res.Resources; |
| import android.net.NetworkStats; |
| import android.net.TrafficStats; |
| import android.support.test.InstrumentationRegistry; |
| import android.support.test.filters.SmallTest; |
| import android.support.test.runner.AndroidJUnit4; |
| |
| import com.android.frameworks.tests.net.R; |
| |
| import java.io.File; |
| import java.io.FileOutputStream; |
| import java.io.FileWriter; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| |
| import libcore.io.IoUtils; |
| import libcore.io.Streams; |
| |
| import org.junit.runner.RunWith; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| /** |
| * Tests for {@link NetworkStatsFactory}. |
| */ |
| @RunWith(AndroidJUnit4.class) |
| @SmallTest |
| public class NetworkStatsFactoryTest { |
| private File mTestProc; |
| private NetworkStatsFactory mFactory; |
| |
| @Before |
| public void setUp() throws Exception { |
| mTestProc = new File(InstrumentationRegistry.getContext().getFilesDir(), "proc"); |
| if (mTestProc.exists()) { |
| IoUtils.deleteContents(mTestProc); |
| } |
| |
| mFactory = new NetworkStatsFactory(mTestProc, false); |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| mFactory = null; |
| |
| if (mTestProc.exists()) { |
| IoUtils.deleteContents(mTestProc); |
| } |
| } |
| |
| @Test |
| public void testNetworkStatsDetail() throws Exception { |
| final NetworkStats stats = parseDetailedStats(R.raw.xt_qtaguid_typical); |
| |
| assertEquals(70, stats.size()); |
| assertStatsEntry(stats, "wlan0", 0, SET_DEFAULT, 0x0, 18621L, 2898L); |
| assertStatsEntry(stats, "wlan0", 10011, SET_DEFAULT, 0x0, 35777L, 5718L); |
| assertStatsEntry(stats, "wlan0", 10021, SET_DEFAULT, 0x7fffff01, 562386L, 49228L); |
| assertStatsEntry(stats, "rmnet1", 10021, SET_DEFAULT, 0x30100000, 219110L, 227423L); |
| assertStatsEntry(stats, "rmnet2", 10001, SET_DEFAULT, 0x0, 1125899906842624L, 984L); |
| } |
| |
| @Test |
| public void testKernelTags() throws Exception { |
| assertEquals(0, kernelToTag("0x0000000000000000")); |
| assertEquals(0x32, kernelToTag("0x0000003200000000")); |
| assertEquals(2147483647, kernelToTag("0x7fffffff00000000")); |
| assertEquals(0, kernelToTag("0x0000000000000000")); |
| assertEquals(2147483136, kernelToTag("0x7FFFFE0000000000")); |
| |
| assertEquals(0, kernelToTag("0x0")); |
| assertEquals(0, kernelToTag("0xf00d")); |
| assertEquals(1, kernelToTag("0x100000000")); |
| assertEquals(14438007, kernelToTag("0xdc4e7700000000")); |
| assertEquals(TrafficStats.TAG_SYSTEM_DOWNLOAD, kernelToTag("0xffffff0100000000")); |
| } |
| |
| @Test |
| public void testNetworkStatsWithSet() throws Exception { |
| final NetworkStats stats = parseDetailedStats(R.raw.xt_qtaguid_typical); |
| assertEquals(70, stats.size()); |
| assertStatsEntry(stats, "rmnet1", 10021, SET_DEFAULT, 0x30100000, 219110L, 578L, 227423L, |
| 676L); |
| assertStatsEntry(stats, "rmnet1", 10021, SET_FOREGROUND, 0x30100000, 742L, 3L, 1265L, 3L); |
| } |
| |
| @Test |
| public void testNetworkStatsSingle() throws Exception { |
| stageFile(R.raw.xt_qtaguid_iface_typical, file("net/xt_qtaguid/iface_stat_all")); |
| |
| final NetworkStats stats = mFactory.readNetworkStatsSummaryDev(); |
| assertEquals(6, stats.size()); |
| assertStatsEntry(stats, "rmnet0", UID_ALL, SET_ALL, TAG_NONE, 2112L, 24L, 700L, 10L); |
| assertStatsEntry(stats, "test1", UID_ALL, SET_ALL, TAG_NONE, 6L, 8L, 10L, 12L); |
| assertStatsEntry(stats, "test2", UID_ALL, SET_ALL, TAG_NONE, 1L, 2L, 3L, 4L); |
| } |
| |
| @Test |
| public void testNetworkStatsXt() throws Exception { |
| stageFile(R.raw.xt_qtaguid_iface_fmt_typical, file("net/xt_qtaguid/iface_stat_fmt")); |
| |
| final NetworkStats stats = mFactory.readNetworkStatsSummaryXt(); |
| assertEquals(3, stats.size()); |
| assertStatsEntry(stats, "rmnet0", UID_ALL, SET_ALL, TAG_NONE, 6824L, 16L, 5692L, 10L); |
| assertStatsEntry(stats, "rmnet1", UID_ALL, SET_ALL, TAG_NONE, 11153922L, 8051L, 190226L, |
| 2468L); |
| assertStatsEntry(stats, "rmnet2", UID_ALL, SET_ALL, TAG_NONE, 4968L, 35L, 3081L, 39L); |
| } |
| |
| @Test |
| public void testDoubleClatAccounting() throws Exception { |
| NetworkStatsFactory.noteStackedIface("v4-wlan0", "wlan0"); |
| |
| // xt_qtaguid_with_clat_simple is a synthetic file that simulates |
| // - 213 received 464xlat packets of size 200 bytes |
| // - 41 sent 464xlat packets of size 100 bytes |
| // - no other traffic on base interface for root uid. |
| NetworkStats stats = parseDetailedStats(R.raw.xt_qtaguid_with_clat_simple); |
| assertEquals(4, stats.size()); |
| |
| assertStatsEntry(stats, "v4-wlan0", 10060, SET_DEFAULT, 0x0, 46860L, 4920L); |
| assertStatsEntry(stats, "wlan0", 0, SET_DEFAULT, 0x0, 0L, 0L); |
| |
| stats = parseDetailedStats(R.raw.xt_qtaguid_with_clat); |
| assertEquals(42, stats.size()); |
| |
| assertStatsEntry(stats, "v4-wlan0", 0, SET_DEFAULT, 0x0, 356L, 276L); |
| assertStatsEntry(stats, "v4-wlan0", 1000, SET_DEFAULT, 0x0, 30812L, 2310L); |
| assertStatsEntry(stats, "v4-wlan0", 10102, SET_DEFAULT, 0x0, 10022L, 3330L); |
| assertStatsEntry(stats, "v4-wlan0", 10060, SET_DEFAULT, 0x0, 9532772L, 254112L); |
| assertStatsEntry(stats, "wlan0", 0, SET_DEFAULT, 0x0, 15229L, 5766L); |
| assertStatsEntry(stats, "wlan0", 1000, SET_DEFAULT, 0x0, 6126L, 2013L); |
| assertStatsEntry(stats, "wlan0", 10013, SET_DEFAULT, 0x0, 0L, 144L); |
| assertStatsEntry(stats, "wlan0", 10018, SET_DEFAULT, 0x0, 5980263L, 167667L); |
| assertStatsEntry(stats, "wlan0", 10060, SET_DEFAULT, 0x0, 134356L, 8705L); |
| assertStatsEntry(stats, "wlan0", 10079, SET_DEFAULT, 0x0, 10926L, 1507L); |
| assertStatsEntry(stats, "wlan0", 10102, SET_DEFAULT, 0x0, 25038L, 8245L); |
| assertStatsEntry(stats, "wlan0", 10103, SET_DEFAULT, 0x0, 0L, 192L); |
| assertStatsEntry(stats, "dummy0", 0, SET_DEFAULT, 0x0, 0L, 168L); |
| assertStatsEntry(stats, "lo", 0, SET_DEFAULT, 0x0, 1288L, 1288L); |
| |
| NetworkStatsFactory.clearStackedIfaces(); |
| } |
| |
| @Test |
| public void testDoubleClatAccounting100MBDownload() throws Exception { |
| // Downloading 100mb from an ipv4 only destination in a foreground activity |
| |
| long appRxBytesBefore = 328684029L; |
| long appRxBytesAfter = 439237478L; |
| assertEquals("App traffic should be ~100MB", 110553449, appRxBytesAfter - appRxBytesBefore); |
| |
| long rootRxBytesBefore = 1394011L; |
| long rootRxBytesAfter = 1398634L; |
| assertEquals("UID 0 traffic should be ~0", 4623, rootRxBytesAfter - rootRxBytesBefore); |
| |
| NetworkStatsFactory.noteStackedIface("v4-wlan0", "wlan0"); |
| NetworkStats stats; |
| |
| // Stats snapshot before the download |
| stats = parseDetailedStats(R.raw.xt_qtaguid_with_clat_100mb_download_before); |
| assertStatsEntry(stats, "v4-wlan0", 10106, SET_FOREGROUND, 0x0, appRxBytesBefore, 5199872L); |
| assertStatsEntry(stats, "wlan0", 0, SET_DEFAULT, 0x0, rootRxBytesBefore, 647888L); |
| |
| // Stats snapshot after the download |
| stats = parseDetailedStats(R.raw.xt_qtaguid_with_clat_100mb_download_after); |
| assertStatsEntry(stats, "v4-wlan0", 10106, SET_FOREGROUND, 0x0, appRxBytesAfter, 7867488L); |
| assertStatsEntry(stats, "wlan0", 0, SET_DEFAULT, 0x0, rootRxBytesAfter, 647587L); |
| |
| NetworkStatsFactory.clearStackedIfaces(); |
| } |
| |
| /** |
| * 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 = InstrumentationRegistry.getContext().getResources().openRawResource(rawId); |
| out = new FileOutputStream(file); |
| Streams.copy(in, out); |
| } finally { |
| IoUtils.closeQuietly(in); |
| IoUtils.closeQuietly(out); |
| } |
| } |
| |
| private void stageLong(long value, File file) throws Exception { |
| new File(file.getParent()).mkdirs(); |
| FileWriter out = null; |
| try { |
| out = new FileWriter(file); |
| out.write(Long.toString(value)); |
| } finally { |
| IoUtils.closeQuietly(out); |
| } |
| } |
| |
| private File file(String path) throws Exception { |
| return new File(mTestProc, path); |
| } |
| |
| private NetworkStats parseDetailedStats(int resourceId) throws Exception { |
| stageFile(resourceId, file("net/xt_qtaguid/stats")); |
| return mFactory.readNetworkStatsDetail(); |
| } |
| |
| private static void assertStatsEntry(NetworkStats stats, String iface, int uid, int set, |
| int tag, long rxBytes, long txBytes) { |
| final int i = stats.findIndex(iface, uid, set, tag, METERED_NO, ROAMING_NO, |
| DEFAULT_NETWORK_NO); |
| if (i < 0) { |
| fail(String.format("no NetworkStats for (iface: %s, uid: %d, set: %d, tag: %d)", |
| iface, uid, set, tag)); |
| } |
| final NetworkStats.Entry entry = stats.getValues(i, null); |
| assertEquals("unexpected rxBytes", rxBytes, entry.rxBytes); |
| assertEquals("unexpected txBytes", txBytes, entry.txBytes); |
| } |
| |
| private static void assertStatsEntry(NetworkStats stats, String iface, int uid, int set, |
| int tag, long rxBytes, long rxPackets, long txBytes, long txPackets) { |
| final int i = stats.findIndex(iface, uid, set, tag, METERED_NO, ROAMING_NO, |
| DEFAULT_NETWORK_NO); |
| if (i < 0) { |
| fail(String.format("no NetworkStats for (iface: %s, uid: %d, set: %d, tag: %d)", |
| iface, uid, set, tag)); |
| } |
| final NetworkStats.Entry entry = stats.getValues(i, null); |
| assertEquals("unexpected rxBytes", rxBytes, entry.rxBytes); |
| assertEquals("unexpected rxPackets", rxPackets, entry.rxPackets); |
| assertEquals("unexpected txBytes", txBytes, entry.txBytes); |
| assertEquals("unexpected txPackets", txPackets, entry.txPackets); |
| } |
| } |