1/* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.internal.net; 18 19import static android.net.NetworkStats.SET_DEFAULT; 20import static android.net.NetworkStats.SET_FOREGROUND; 21import static android.net.NetworkStats.TAG_NONE; 22import static android.net.NetworkStats.UID_ALL; 23import static com.android.server.NetworkManagementSocketTagger.kernelToTag; 24 25import android.content.res.Resources; 26import android.net.NetworkStats; 27import android.test.AndroidTestCase; 28 29import com.android.frameworks.coretests.R; 30 31import java.io.File; 32import java.io.FileOutputStream; 33import java.io.FileWriter; 34import java.io.InputStream; 35import java.io.OutputStream; 36 37import libcore.io.IoUtils; 38import libcore.io.Streams; 39 40/** 41 * Tests for {@link NetworkStatsFactory}. 42 */ 43public class NetworkStatsFactoryTest extends AndroidTestCase { 44 private File mTestProc; 45 private NetworkStatsFactory mFactory; 46 47 @Override 48 public void setUp() throws Exception { 49 super.setUp(); 50 51 mTestProc = new File(getContext().getFilesDir(), "proc"); 52 if (mTestProc.exists()) { 53 IoUtils.deleteContents(mTestProc); 54 } 55 56 mFactory = new NetworkStatsFactory(mTestProc); 57 } 58 59 @Override 60 public void tearDown() throws Exception { 61 mFactory = null; 62 63 if (mTestProc.exists()) { 64 IoUtils.deleteContents(mTestProc); 65 } 66 67 super.tearDown(); 68 } 69 70 public void testNetworkStatsDetail() throws Exception { 71 stageFile(R.raw.xt_qtaguid_typical, new File(mTestProc, "net/xt_qtaguid/stats")); 72 73 final NetworkStats stats = mFactory.readNetworkStatsDetail(); 74 assertEquals(70, stats.size()); 75 assertStatsEntry(stats, "wlan0", 0, SET_DEFAULT, 0x0, 18621L, 2898L); 76 assertStatsEntry(stats, "wlan0", 10011, SET_DEFAULT, 0x0, 35777L, 5718L); 77 assertStatsEntry(stats, "wlan0", 10021, SET_DEFAULT, 0x7fffff01, 562386L, 49228L); 78 assertStatsEntry(stats, "rmnet1", 10021, SET_DEFAULT, 0x30100000, 219110L, 227423L); 79 assertStatsEntry(stats, "rmnet2", 10001, SET_DEFAULT, 0x0, 1125899906842624L, 984L); 80 } 81 82 public void testNetworkStatsSummary() throws Exception { 83 stageFile(R.raw.net_dev_typical, new File(mTestProc, "net/dev")); 84 85 final NetworkStats stats = mFactory.readNetworkStatsSummary(); 86 assertEquals(6, stats.size()); 87 assertStatsEntry(stats, "lo", UID_ALL, SET_DEFAULT, TAG_NONE, 8308L, 8308L); 88 assertStatsEntry(stats, "rmnet0", UID_ALL, SET_DEFAULT, TAG_NONE, 1507570L, 489339L); 89 assertStatsEntry(stats, "ifb0", UID_ALL, SET_DEFAULT, TAG_NONE, 52454L, 0L); 90 assertStatsEntry(stats, "ifb1", UID_ALL, SET_DEFAULT, TAG_NONE, 52454L, 0L); 91 assertStatsEntry(stats, "sit0", UID_ALL, SET_DEFAULT, TAG_NONE, 0L, 0L); 92 assertStatsEntry(stats, "ip6tnl0", UID_ALL, SET_DEFAULT, TAG_NONE, 0L, 0L); 93 } 94 95 public void testNetworkStatsSummaryDown() throws Exception { 96 stageFile(R.raw.net_dev_typical, new File(mTestProc, "net/dev")); 97 stageLong(1L, new File(mTestProc, "net/xt_qtaguid/iface_stat/wlan0/active")); 98 stageLong(1024L, new File(mTestProc, "net/xt_qtaguid/iface_stat/wlan0/rx_bytes")); 99 stageLong(128L, new File(mTestProc, "net/xt_qtaguid/iface_stat/wlan0/rx_packets")); 100 stageLong(2048L, new File(mTestProc, "net/xt_qtaguid/iface_stat/wlan0/tx_bytes")); 101 stageLong(256L, new File(mTestProc, "net/xt_qtaguid/iface_stat/wlan0/tx_packets")); 102 103 final NetworkStats stats = mFactory.readNetworkStatsSummary(); 104 assertEquals(7, stats.size()); 105 assertStatsEntry(stats, "rmnet0", UID_ALL, SET_DEFAULT, TAG_NONE, 1507570L, 489339L); 106 assertStatsEntry(stats, "wlan0", UID_ALL, SET_DEFAULT, TAG_NONE, 1024L, 2048L); 107 } 108 109 public void testNetworkStatsCombined() throws Exception { 110 stageFile(R.raw.net_dev_typical, new File(mTestProc, "net/dev")); 111 stageLong(1L, new File(mTestProc, "net/xt_qtaguid/iface_stat/rmnet0/active")); 112 stageLong(10L, new File(mTestProc, "net/xt_qtaguid/iface_stat/rmnet0/rx_bytes")); 113 stageLong(20L, new File(mTestProc, "net/xt_qtaguid/iface_stat/rmnet0/rx_packets")); 114 stageLong(30L, new File(mTestProc, "net/xt_qtaguid/iface_stat/rmnet0/tx_bytes")); 115 stageLong(40L, new File(mTestProc, "net/xt_qtaguid/iface_stat/rmnet0/tx_packets")); 116 117 final NetworkStats stats = mFactory.readNetworkStatsSummary(); 118 assertStatsEntry(stats, "rmnet0", UID_ALL, SET_DEFAULT, TAG_NONE, 1507570L + 10L, 119 2205L + 20L, 489339L + 30L, 2237L + 40L); 120 } 121 122 public void testNetworkStatsCombinedInactive() throws Exception { 123 stageFile(R.raw.net_dev_typical, new File(mTestProc, "net/dev")); 124 stageLong(0L, new File(mTestProc, "net/xt_qtaguid/iface_stat/rmnet0/active")); 125 stageLong(10L, new File(mTestProc, "net/xt_qtaguid/iface_stat/rmnet0/rx_bytes")); 126 stageLong(20L, new File(mTestProc, "net/xt_qtaguid/iface_stat/rmnet0/rx_packets")); 127 stageLong(30L, new File(mTestProc, "net/xt_qtaguid/iface_stat/rmnet0/tx_bytes")); 128 stageLong(40L, new File(mTestProc, "net/xt_qtaguid/iface_stat/rmnet0/tx_packets")); 129 130 final NetworkStats stats = mFactory.readNetworkStatsSummary(); 131 assertStatsEntry(stats, "rmnet0", UID_ALL, SET_DEFAULT, TAG_NONE, 10L, 20L, 30L, 40L); 132 } 133 134 public void testKernelTags() throws Exception { 135 assertEquals(0, kernelToTag("0x0000000000000000")); 136 assertEquals(0x32, kernelToTag("0x0000003200000000")); 137 assertEquals(2147483647, kernelToTag("0x7fffffff00000000")); 138 assertEquals(0, kernelToTag("0x0000000000000000")); 139 assertEquals(2147483136, kernelToTag("0x7FFFFE0000000000")); 140 } 141 142 public void testNetworkStatsWithSet() throws Exception { 143 stageFile(R.raw.xt_qtaguid_typical, new File(mTestProc, "net/xt_qtaguid/stats")); 144 145 final NetworkStats stats = mFactory.readNetworkStatsDetail(); 146 assertEquals(70, stats.size()); 147 assertStatsEntry(stats, "rmnet1", 10021, SET_DEFAULT, 0x30100000, 219110L, 578L, 227423L, 676L); 148 assertStatsEntry(stats, "rmnet1", 10021, SET_FOREGROUND, 0x30100000, 742L, 3L, 1265L, 3L); 149 } 150 151 public void testNetworkStatsSingle() throws Exception { 152 stageFile(R.raw.xt_qtaguid_iface_typical, new File(mTestProc, "net/xt_qtaguid/iface_stat_all")); 153 154 final NetworkStats stats = mFactory.readNetworkStatsSummary(); 155 assertEquals(6, stats.size()); 156 assertStatsEntry(stats, "rmnet0", UID_ALL, SET_DEFAULT, TAG_NONE, 2112L, 24L, 700L, 10L); 157 assertStatsEntry(stats, "test1", UID_ALL, SET_DEFAULT, TAG_NONE, 6L, 8L, 10L, 12L); 158 assertStatsEntry(stats, "test2", UID_ALL, SET_DEFAULT, TAG_NONE, 1L, 2L, 3L, 4L); 159 } 160 161 /** 162 * Copy a {@link Resources#openRawResource(int)} into {@link File} for 163 * testing purposes. 164 */ 165 private void stageFile(int rawId, File file) throws Exception { 166 new File(file.getParent()).mkdirs(); 167 InputStream in = null; 168 OutputStream out = null; 169 try { 170 in = getContext().getResources().openRawResource(rawId); 171 out = new FileOutputStream(file); 172 Streams.copy(in, out); 173 } finally { 174 IoUtils.closeQuietly(in); 175 IoUtils.closeQuietly(out); 176 } 177 } 178 179 private void stageLong(long value, File file) throws Exception { 180 new File(file.getParent()).mkdirs(); 181 FileWriter out = null; 182 try { 183 out = new FileWriter(file); 184 out.write(Long.toString(value)); 185 } finally { 186 IoUtils.closeQuietly(out); 187 } 188 } 189 190 private static void assertStatsEntry(NetworkStats stats, String iface, int uid, int set, 191 int tag, long rxBytes, long txBytes) { 192 final int i = stats.findIndex(iface, uid, set, tag); 193 final NetworkStats.Entry entry = stats.getValues(i, null); 194 assertEquals("unexpected rxBytes", rxBytes, entry.rxBytes); 195 assertEquals("unexpected txBytes", txBytes, entry.txBytes); 196 } 197 198 private static void assertStatsEntry(NetworkStats stats, String iface, int uid, int set, 199 int tag, long rxBytes, long rxPackets, long txBytes, long txPackets) { 200 final int i = stats.findIndex(iface, uid, set, tag); 201 final NetworkStats.Entry entry = stats.getValues(i, null); 202 assertEquals("unexpected rxBytes", rxBytes, entry.rxBytes); 203 assertEquals("unexpected rxPackets", rxPackets, entry.rxPackets); 204 assertEquals("unexpected txBytes", txBytes, entry.txBytes); 205 assertEquals("unexpected txPackets", txPackets, entry.txPackets); 206 } 207 208} 209