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/*
* 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.server;
import static dalvik.system.BlockGuard.kernelToTag;
import static dalvik.system.BlockGuard.tagToKernel;
import android.content.res.Resources;
import android.net.NetworkStats;
import android.test.AndroidTestCase;
import android.test.suitebuilder.annotation.LargeTest;
import com.android.frameworks.servicestests.R;
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 NetworkManagementService}.
*/
@LargeTest
public class NetworkManagementServiceTest extends AndroidTestCase {
private File mTestProc;
private NetworkManagementService mService;
@Override
public void setUp() throws Exception {
super.setUp();
mTestProc = getContext().getFilesDir();
mService = NetworkManagementService.createForTest(mContext, mTestProc);
}
@Override
public void tearDown() throws Exception {
mService = null;
super.tearDown();
}
public void testNetworkStatsDetail() throws Exception {
stageFile(R.raw.xt_qtaguid_typical, new File(mTestProc, "net/xt_qtaguid/stats"));
final NetworkStats stats = mService.getNetworkStatsDetail();
assertEquals(31, stats.size);
assertStatsEntry(stats, "wlan0", 0, 0, 14615L, 4270L);
assertStatsEntry(stats, "wlan0", 10004, 0, 333821L, 53558L);
assertStatsEntry(stats, "wlan0", 10004, 1947740890, 18725L, 1066L);
assertStatsEntry(stats, "rmnet0", 10037, 0, 31184994L, 684122L);
assertStatsEntry(stats, "rmnet0", 10037, 1947740890, 28507378L, 437004L);
}
public void testNetworkStatsDetailExtended() throws Exception {
stageFile(R.raw.xt_qtaguid_extended, new File(mTestProc, "net/xt_qtaguid/stats"));
final NetworkStats stats = mService.getNetworkStatsDetail();
assertEquals(2, stats.size);
assertStatsEntry(stats, "test0", 1000, 0, 1024L, 2048L);
assertStatsEntry(stats, "test0", 1000, 0xF00D, 512L, 512L);
}
public void testKernelTags() throws Exception {
assertEquals("0", tagToKernel(0x0));
assertEquals("214748364800", tagToKernel(0x32));
assertEquals("9223372032559808512", tagToKernel(Integer.MAX_VALUE));
assertEquals("0", tagToKernel(Integer.MIN_VALUE));
assertEquals("9223369837831520256", tagToKernel(Integer.MIN_VALUE - 512));
assertEquals(0, kernelToTag("0x0000000000000000"));
assertEquals(0x32, kernelToTag("0x0000003200000000"));
assertEquals(2147483647, kernelToTag("0x7fffffff00000000"));
assertEquals(0, kernelToTag("0x0000000000000000"));
assertEquals(2147483136, kernelToTag("0x7FFFFE0000000000"));
}
/**
* 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 assertStatsEntry(
NetworkStats stats, String iface, int uid, int tag, long rx, long tx) {
final int i = stats.findIndex(iface, uid, tag);
assertEquals(rx, stats.rx[i]);
assertEquals(tx, stats.tx[i]);
}
}
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