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 17 package com.android.internal.net; 18 19 import static android.net.NetworkStats.SET_ALL; 20 import static android.net.NetworkStats.SET_DEFAULT; 21 import static android.net.NetworkStats.SET_FOREGROUND; 22 import static android.net.NetworkStats.TAG_NONE; 23 import static android.net.NetworkStats.UID_ALL; 24 import static com.android.server.NetworkManagementSocketTagger.kernelToTag; 25 26 import android.content.res.Resources; 27 import android.net.NetworkStats; 28 import android.net.TrafficStats; 29 import android.test.AndroidTestCase; 30 31 import com.android.frameworks.coretests.R; 32 33 import java.io.File; 34 import java.io.FileOutputStream; 35 import java.io.FileWriter; 36 import java.io.InputStream; 37 import java.io.OutputStream; 38 39 import libcore.io.IoUtils; 40 import libcore.io.Streams; 41 42 /** 43 * Tests for {@link NetworkStatsFactory}. 44 */ 45 public class NetworkStatsFactoryTest extends AndroidTestCase { 46 private File mTestProc; 47 private NetworkStatsFactory mFactory; 48 49 @Override 50 public void setUp() throws Exception { 51 super.setUp(); 52 53 mTestProc = new File(getContext().getFilesDir(), "proc"); 54 if (mTestProc.exists()) { 55 IoUtils.deleteContents(mTestProc); 56 } 57 58 mFactory = new NetworkStatsFactory(mTestProc); 59 } 60 61 @Override 62 public void tearDown() throws Exception { 63 mFactory = null; 64 65 if (mTestProc.exists()) { 66 IoUtils.deleteContents(mTestProc); 67 } 68 69 super.tearDown(); 70 } 71 72 public void testNetworkStatsDetail() throws Exception { 73 stageFile(R.raw.xt_qtaguid_typical, new File(mTestProc, "net/xt_qtaguid/stats")); 74 75 final NetworkStats stats = mFactory.readNetworkStatsDetail(); 76 assertEquals(70, stats.size()); 77 assertStatsEntry(stats, "wlan0", 0, SET_DEFAULT, 0x0, 18621L, 2898L); 78 assertStatsEntry(stats, "wlan0", 10011, SET_DEFAULT, 0x0, 35777L, 5718L); 79 assertStatsEntry(stats, "wlan0", 10021, SET_DEFAULT, 0x7fffff01, 562386L, 49228L); 80 assertStatsEntry(stats, "rmnet1", 10021, SET_DEFAULT, 0x30100000, 219110L, 227423L); 81 assertStatsEntry(stats, "rmnet2", 10001, SET_DEFAULT, 0x0, 1125899906842624L, 984L); 82 } 83 84 public void testKernelTags() throws Exception { 85 assertEquals(0, kernelToTag("0x0000000000000000")); 86 assertEquals(0x32, kernelToTag("0x0000003200000000")); 87 assertEquals(2147483647, kernelToTag("0x7fffffff00000000")); 88 assertEquals(0, kernelToTag("0x0000000000000000")); 89 assertEquals(2147483136, kernelToTag("0x7FFFFE0000000000")); 90 91 assertEquals(0, kernelToTag("0x0")); 92 assertEquals(0, kernelToTag("0xf00d")); 93 assertEquals(1, kernelToTag("0x100000000")); 94 assertEquals(14438007, kernelToTag("0xdc4e7700000000")); 95 assertEquals(TrafficStats.TAG_SYSTEM_DOWNLOAD, kernelToTag("0xffffff0100000000")); 96 } 97 98 public void testNetworkStatsWithSet() throws Exception { 99 stageFile(R.raw.xt_qtaguid_typical, new File(mTestProc, "net/xt_qtaguid/stats")); 100 101 final NetworkStats stats = mFactory.readNetworkStatsDetail(); 102 assertEquals(70, stats.size()); 103 assertStatsEntry(stats, "rmnet1", 10021, SET_DEFAULT, 0x30100000, 219110L, 578L, 227423L, 676L); 104 assertStatsEntry(stats, "rmnet1", 10021, SET_FOREGROUND, 0x30100000, 742L, 3L, 1265L, 3L); 105 } 106 107 public void testNetworkStatsSingle() throws Exception { 108 stageFile(R.raw.xt_qtaguid_iface_typical, new File(mTestProc, "net/xt_qtaguid/iface_stat_all")); 109 110 final NetworkStats stats = mFactory.readNetworkStatsSummaryDev(); 111 assertEquals(6, stats.size()); 112 assertStatsEntry(stats, "rmnet0", UID_ALL, SET_ALL, TAG_NONE, 2112L, 24L, 700L, 10L); 113 assertStatsEntry(stats, "test1", UID_ALL, SET_ALL, TAG_NONE, 6L, 8L, 10L, 12L); 114 assertStatsEntry(stats, "test2", UID_ALL, SET_ALL, TAG_NONE, 1L, 2L, 3L, 4L); 115 } 116 117 public void testNetworkStatsXt() throws Exception { 118 stageFile(R.raw.xt_qtaguid_iface_fmt_typical, 119 new File(mTestProc, "net/xt_qtaguid/iface_stat_fmt")); 120 121 final NetworkStats stats = mFactory.readNetworkStatsSummaryXt(); 122 assertEquals(3, stats.size()); 123 assertStatsEntry(stats, "rmnet0", UID_ALL, SET_ALL, TAG_NONE, 6824L, 16L, 5692L, 10L); 124 assertStatsEntry(stats, "rmnet1", UID_ALL, SET_ALL, TAG_NONE, 11153922L, 8051L, 190226L, 2468L); 125 assertStatsEntry(stats, "rmnet2", UID_ALL, SET_ALL, TAG_NONE, 4968L, 35L, 3081L, 39L); 126 } 127 128 /** 129 * Copy a {@link Resources#openRawResource(int)} into {@link File} for 130 * testing purposes. 131 */ 132 private void stageFile(int rawId, File file) throws Exception { 133 new File(file.getParent()).mkdirs(); 134 InputStream in = null; 135 OutputStream out = null; 136 try { 137 in = getContext().getResources().openRawResource(rawId); 138 out = new FileOutputStream(file); 139 Streams.copy(in, out); 140 } finally { 141 IoUtils.closeQuietly(in); 142 IoUtils.closeQuietly(out); 143 } 144 } 145 146 private void stageLong(long value, File file) throws Exception { 147 new File(file.getParent()).mkdirs(); 148 FileWriter out = null; 149 try { 150 out = new FileWriter(file); 151 out.write(Long.toString(value)); 152 } finally { 153 IoUtils.closeQuietly(out); 154 } 155 } 156 157 private static void assertStatsEntry(NetworkStats stats, String iface, int uid, int set, 158 int tag, long rxBytes, long txBytes) { 159 final int i = stats.findIndex(iface, uid, set, tag); 160 final NetworkStats.Entry entry = stats.getValues(i, null); 161 assertEquals("unexpected rxBytes", rxBytes, entry.rxBytes); 162 assertEquals("unexpected txBytes", txBytes, entry.txBytes); 163 } 164 165 private static void assertStatsEntry(NetworkStats stats, String iface, int uid, int set, 166 int tag, long rxBytes, long rxPackets, long txBytes, long txPackets) { 167 final int i = stats.findIndex(iface, uid, set, tag); 168 final NetworkStats.Entry entry = stats.getValues(i, null); 169 assertEquals("unexpected rxBytes", rxBytes, entry.rxBytes); 170 assertEquals("unexpected rxPackets", rxPackets, entry.rxPackets); 171 assertEquals("unexpected txBytes", txBytes, entry.txBytes); 172 assertEquals("unexpected txPackets", txPackets, entry.txPackets); 173 } 174 175 } 176
