NetworkStatsFactoryTest.java revision c86013be936f36c61fa0cdfad95141f6de3c6ef7 
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.METERED_NO;
20import static android.net.NetworkStats.ROAMING_NO;
21import static android.net.NetworkStats.SET_ALL;
22import static android.net.NetworkStats.SET_DEFAULT;
23import static android.net.NetworkStats.SET_FOREGROUND;
24import static android.net.NetworkStats.TAG_NONE;
25import static android.net.NetworkStats.UID_ALL;
26import static com.android.server.NetworkManagementSocketTagger.kernelToTag;
27
28import android.content.res.Resources;
29import android.net.NetworkStats;
30import android.net.TrafficStats;
31import android.test.AndroidTestCase;
32
33import com.android.frameworks.tests.net.R;
34
35import java.io.File;
36import java.io.FileOutputStream;
37import java.io.FileWriter;
38import java.io.InputStream;
39import java.io.OutputStream;
40
41import libcore.io.IoUtils;
42import libcore.io.Streams;
43
44/**
45 * Tests for {@link NetworkStatsFactory}.
46 */
47public class NetworkStatsFactoryTest extends AndroidTestCase {
48    private File mTestProc;
49    private NetworkStatsFactory mFactory;
50
51    @Override
52    public void setUp() throws Exception {
53        super.setUp();
54
55        mTestProc = new File(getContext().getFilesDir(), "proc");
56        if (mTestProc.exists()) {
57            IoUtils.deleteContents(mTestProc);
58        }
59
60        mFactory = new NetworkStatsFactory(mTestProc);
61    }
62
63    @Override
64    public void tearDown() throws Exception {
65        mFactory = null;
66
67        if (mTestProc.exists()) {
68            IoUtils.deleteContents(mTestProc);
69        }
70
71        super.tearDown();
72    }
73
74    public void testNetworkStatsDetail() throws Exception {
75        stageFile(R.raw.xt_qtaguid_typical, new File(mTestProc, "net/xt_qtaguid/stats"));
76
77        final NetworkStats stats = mFactory.readNetworkStatsDetail();
78        assertEquals(70, stats.size());
79        assertStatsEntry(stats, "wlan0", 0, SET_DEFAULT, 0x0, 18621L, 2898L);
80        assertStatsEntry(stats, "wlan0", 10011, SET_DEFAULT, 0x0, 35777L, 5718L);
81        assertStatsEntry(stats, "wlan0", 10021, SET_DEFAULT, 0x7fffff01, 562386L, 49228L);
82        assertStatsEntry(stats, "rmnet1", 10021, SET_DEFAULT, 0x30100000, 219110L, 227423L);
83        assertStatsEntry(stats, "rmnet2", 10001, SET_DEFAULT, 0x0, 1125899906842624L, 984L);
84    }
85
86    public void testKernelTags() throws Exception {
87        assertEquals(0, kernelToTag("0x0000000000000000"));
88        assertEquals(0x32, kernelToTag("0x0000003200000000"));
89        assertEquals(2147483647, kernelToTag("0x7fffffff00000000"));
90        assertEquals(0, kernelToTag("0x0000000000000000"));
91        assertEquals(2147483136, kernelToTag("0x7FFFFE0000000000"));
92
93        assertEquals(0, kernelToTag("0x0"));
94        assertEquals(0, kernelToTag("0xf00d"));
95        assertEquals(1, kernelToTag("0x100000000"));
96        assertEquals(14438007, kernelToTag("0xdc4e7700000000"));
97        assertEquals(TrafficStats.TAG_SYSTEM_DOWNLOAD, kernelToTag("0xffffff0100000000"));
98    }
99
100    public void testNetworkStatsWithSet() throws Exception {
101        stageFile(R.raw.xt_qtaguid_typical, new File(mTestProc, "net/xt_qtaguid/stats"));
102
103        final NetworkStats stats = mFactory.readNetworkStatsDetail();
104        assertEquals(70, stats.size());
105        assertStatsEntry(stats, "rmnet1", 10021, SET_DEFAULT, 0x30100000, 219110L, 578L, 227423L,
106                676L);
107        assertStatsEntry(stats, "rmnet1", 10021, SET_FOREGROUND, 0x30100000, 742L, 3L, 1265L, 3L);
108    }
109
110    public void testNetworkStatsSingle() throws Exception {
111        stageFile(R.raw.xt_qtaguid_iface_typical,
112                new File(mTestProc, "net/xt_qtaguid/iface_stat_all"));
113
114        final NetworkStats stats = mFactory.readNetworkStatsSummaryDev();
115        assertEquals(6, stats.size());
116        assertStatsEntry(stats, "rmnet0", UID_ALL, SET_ALL, TAG_NONE, 2112L, 24L, 700L, 10L);
117        assertStatsEntry(stats, "test1", UID_ALL, SET_ALL, TAG_NONE, 6L, 8L, 10L, 12L);
118        assertStatsEntry(stats, "test2", UID_ALL, SET_ALL, TAG_NONE, 1L, 2L, 3L, 4L);
119    }
120
121    public void testNetworkStatsXt() throws Exception {
122        stageFile(R.raw.xt_qtaguid_iface_fmt_typical,
123                new File(mTestProc, "net/xt_qtaguid/iface_stat_fmt"));
124
125        final NetworkStats stats = mFactory.readNetworkStatsSummaryXt();
126        assertEquals(3, stats.size());
127        assertStatsEntry(stats, "rmnet0", UID_ALL, SET_ALL, TAG_NONE, 6824L, 16L, 5692L, 10L);
128        assertStatsEntry(stats, "rmnet1", UID_ALL, SET_ALL, TAG_NONE, 11153922L, 8051L, 190226L,
129                2468L);
130        assertStatsEntry(stats, "rmnet2", UID_ALL, SET_ALL, TAG_NONE, 4968L, 35L, 3081L, 39L);
131    }
132
133    /**
134     * Copy a {@link Resources#openRawResource(int)} into {@link File} for
135     * testing purposes.
136     */
137    private void stageFile(int rawId, File file) throws Exception {
138        new File(file.getParent()).mkdirs();
139        InputStream in = null;
140        OutputStream out = null;
141        try {
142            in = getContext().getResources().openRawResource(rawId);
143            out = new FileOutputStream(file);
144            Streams.copy(in, out);
145        } finally {
146            IoUtils.closeQuietly(in);
147            IoUtils.closeQuietly(out);
148        }
149    }
150
151    private void stageLong(long value, File file) throws Exception {
152        new File(file.getParent()).mkdirs();
153        FileWriter out = null;
154        try {
155            out = new FileWriter(file);
156            out.write(Long.toString(value));
157        } finally {
158            IoUtils.closeQuietly(out);
159        }
160    }
161
162    private static void assertStatsEntry(NetworkStats stats, String iface, int uid, int set,
163            int tag, long rxBytes, long txBytes) {
164        final int i = stats.findIndex(iface, uid, set, tag, METERED_NO, ROAMING_NO);
165        final NetworkStats.Entry entry = stats.getValues(i, null);
166        assertEquals("unexpected rxBytes", rxBytes, entry.rxBytes);
167        assertEquals("unexpected txBytes", txBytes, entry.txBytes);
168    }
169
170    private static void assertStatsEntry(NetworkStats stats, String iface, int uid, int set,
171            int tag, long rxBytes, long rxPackets, long txBytes, long txPackets) {
172        final int i = stats.findIndex(iface, uid, set, tag, METERED_NO, ROAMING_NO);
173        final NetworkStats.Entry entry = stats.getValues(i, null);
174        assertEquals("unexpected rxBytes", rxBytes, entry.rxBytes);
175        assertEquals("unexpected rxPackets", rxPackets, entry.rxPackets);
176        assertEquals("unexpected txBytes", txBytes, entry.txBytes);
177        assertEquals("unexpected txPackets", txPackets, entry.txPackets);
178    }
179
180}
181