am 1270e2e2: Merge change I96ddd6e2 into eclair-mr2

Merge commit '1270e2e22b0b3f0705cee2b82788d8dc3fb03cdb' into eclair-mr2-plus-aosp

* commit '1270e2e22b0b3f0705cee2b82788d8dc3fb03cdb':
  Migration to TrafficStats.
This commit is contained in:
Ken Shirriff
2009-12-09 15:50:28 -08:00
committed by Android Git Automerger
7 changed files with 49 additions and 297 deletions

View File

@@ -17,10 +17,10 @@
package android.content;
import android.accounts.Account;
import android.net.TrafficStats;
import android.os.Bundle;
import android.os.Process;
import android.os.NetStat;
import android.os.IBinder;
import android.os.Process;
import android.os.RemoteException;
import android.util.EventLog;
@@ -157,8 +157,8 @@ public abstract class AbstractThreadedSyncAdapter {
SyncResult syncResult = new SyncResult();
int uid = Process.myUid();
mInitialTxBytes = NetStat.getUidTxBytes(uid);
mInitialRxBytes = NetStat.getUidRxBytes(uid);
mInitialTxBytes = TrafficStats.getUidTxBytes(uid);
mInitialRxBytes = TrafficStats.getUidRxBytes(uid);
ContentProviderClient provider = null;
try {
provider = mContext.getContentResolver().acquireContentProviderClient(mAuthority);
@@ -175,8 +175,8 @@ public abstract class AbstractThreadedSyncAdapter {
if (!isCanceled()) {
mSyncContext.onFinished(syncResult);
}
onLogSyncDetails(NetStat.getUidTxBytes(uid) - mInitialTxBytes,
NetStat.getUidRxBytes(uid) - mInitialRxBytes, syncResult);
onLogSyncDetails(TrafficStats.getUidTxBytes(uid) - mInitialTxBytes,
TrafficStats.getUidRxBytes(uid) - mInitialRxBytes, syncResult);
// synchronize so that the assignment will be seen by other threads
// that also synchronize accesses to mSyncThread
synchronized (mSyncThreadLock) {

View File

@@ -1,9 +1,12 @@
package android.content;
import android.accounts.Account;
import android.accounts.AuthenticatorException;
import android.accounts.OperationCanceledException;
import android.database.SQLException;
import android.net.TrafficStats;
import android.os.Bundle;
import android.os.Debug;
import android.os.NetStat;
import android.os.Parcelable;
import android.os.Process;
import android.os.SystemProperties;
@@ -12,9 +15,6 @@ import android.util.Config;
import android.util.EventLog;
import android.util.Log;
import android.util.TimingLogger;
import android.accounts.Account;
import android.accounts.AuthenticatorException;
import android.accounts.OperationCanceledException;
import java.io.IOException;
@@ -203,8 +203,8 @@ public abstract class TempProviderSyncAdapter extends SyncAdapter {
if (mProviderSyncStarted) mProvider.onSyncCanceled();
// We may lose the last few sync events when canceling. Oh well.
int uid = Process.myUid();
logSyncDetails(NetStat.getUidTxBytes(uid) - mInitialTxBytes,
NetStat.getUidRxBytes(uid) - mInitialRxBytes, mResult);
logSyncDetails(TrafficStats.getUidTxBytes(uid) - mInitialTxBytes,
TrafficStats.getUidRxBytes(uid) - mInitialRxBytes, mResult);
}
@Override
@@ -212,8 +212,8 @@ public abstract class TempProviderSyncAdapter extends SyncAdapter {
Process.setThreadPriority(Process.myTid(),
Process.THREAD_PRIORITY_BACKGROUND);
int uid = Process.myUid();
mInitialTxBytes = NetStat.getUidTxBytes(uid);
mInitialRxBytes = NetStat.getUidRxBytes(uid);
mInitialTxBytes = TrafficStats.getUidTxBytes(uid);
mInitialRxBytes = TrafficStats.getUidRxBytes(uid);
try {
sync(mSyncContext, mAccount, mAuthority, mExtras);
} catch (SQLException e) {
@@ -222,8 +222,8 @@ public abstract class TempProviderSyncAdapter extends SyncAdapter {
} finally {
mSyncThread = null;
if (!mIsCanceled) {
logSyncDetails(NetStat.getUidTxBytes(uid) - mInitialTxBytes,
NetStat.getUidRxBytes(uid) - mInitialRxBytes, mResult);
logSyncDetails(TrafficStats.getUidTxBytes(uid) - mInitialTxBytes,
TrafficStats.getUidRxBytes(uid) - mInitialRxBytes, mResult);
mSyncContext.onFinished(mResult);
}
}

View File

@@ -1,247 +0,0 @@
/*
* Copyright (C) 2007 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 android.os;
import android.util.Log;
import java.io.File;
import java.io.RandomAccessFile;
import java.io.IOException;
/** @hide */
public class NetStat {
// Logging tag.
private final static String TAG = "netstat";
// We pre-create all the File objects so we don't spend a lot of
// CPU at runtime converting from Java Strings to byte[] for the
// kernel calls.
private final static File[] MOBILE_TX_PACKETS = mobileFiles("tx_packets");
private final static File[] MOBILE_RX_PACKETS = mobileFiles("rx_packets");
private final static File[] MOBILE_TX_BYTES = mobileFiles("tx_bytes");
private final static File[] MOBILE_RX_BYTES = mobileFiles("rx_bytes");
private final static File SYS_CLASS_NET_DIR = new File("/sys/class/net");
/**
* Get total number of tx packets sent through rmnet0 or ppp0
*
* @return number of Tx packets through rmnet0 or ppp0
*/
public static long getMobileTxPkts() {
return getMobileStat(MOBILE_TX_PACKETS);
}
/**
* Get total number of rx packets received through rmnet0 or ppp0
*
* @return number of Rx packets through rmnet0 or ppp0
*/
public static long getMobileRxPkts() {
return getMobileStat(MOBILE_RX_PACKETS);
}
/**
* Get total number of tx bytes received through rmnet0 or ppp0
*
* @return number of Tx bytes through rmnet0 or ppp0
*/
public static long getMobileTxBytes() {
return getMobileStat(MOBILE_TX_BYTES);
}
/**
* Get total number of rx bytes received through rmnet0 or ppp0
*
* @return number of Rx bytes through rmnet0 or ppp0
*/
public static long getMobileRxBytes() {
return getMobileStat(MOBILE_RX_BYTES);
}
/**
* Get the total number of packets sent through all network interfaces.
*
* @return the number of packets sent through all network interfaces
*/
public static long getTotalTxPkts() {
return getTotalStat("tx_packets");
}
/**
* Get the total number of packets received through all network interfaces.
*
* @return the number of packets received through all network interfaces
*/
public static long getTotalRxPkts() {
return getTotalStat("rx_packets");
}
/**
* Get the total number of bytes sent through all network interfaces.
*
* @return the number of bytes sent through all network interfaces
*/
public static long getTotalTxBytes() {
return getTotalStat("tx_bytes");
}
/**
* Get the total number of bytes received through all network interfaces.
*
* @return the number of bytes received through all network interfaces
*/
public static long getTotalRxBytes() {
return getTotalStat("rx_bytes");
}
/**
* Gets network bytes sent for this UID.
* The statistics are across all interfaces.
* The statistics come from /proc/uid_stat.
*
* {@see android.os.Process#myUid()}.
*
* @param uid
* @return byte count
*/
public static long getUidTxBytes(int uid) {
return getNumberFromFilePath("/proc/uid_stat/" + uid + "/tcp_snd");
}
/**
* Gets network bytes received for this UID.
* The statistics are across all interfaces.
* The statistics come from /proc/uid_stat.
*
* {@see android.os.Process#myUid()}.
*
* @param uid
* @return byte count
*/
public static long getUidRxBytes(int uid) {
return getNumberFromFilePath("/proc/uid_stat/" + uid + "/tcp_rcv");
}
/**
* Returns the array of two possible File locations for a given
* statistic.
*/
private static File[] mobileFiles(String whatStat) {
// Note that we stat them at runtime to see which is
// available, rather than here, to guard against the files
// coming & going later as modules shut down (e.g. airplane
// mode) and whatnot. The runtime stat() isn't expensive compared
// to the previous charset conversion that happened before we
// were reusing File instances.
File[] files = new File[2];
files[0] = new File("/sys/class/net/rmnet0/statistics/" + whatStat);
files[1] = new File("/sys/class/net/ppp0/statistics/" + whatStat);
return files;
}
private static long getTotalStat(String whatStat) {
File netdir = new File("/sys/class/net");
File[] nets = SYS_CLASS_NET_DIR.listFiles();
if (nets == null) {
return 0;
}
long total = 0;
StringBuffer strbuf = new StringBuffer();
for (File net : nets) {
strbuf.append(net.getPath()).append(File.separator).append("statistics")
.append(File.separator).append(whatStat);
total += getNumberFromFilePath(strbuf.toString());
strbuf.setLength(0);
}
return total;
}
private static long getMobileStat(File[] files) {
for (int i = 0; i < files.length; i++) {
File file = files[i];
if (!file.exists()) {
continue;
}
try {
RandomAccessFile raf = new RandomAccessFile(file, "r");
return getNumberFromFile(raf, file.getAbsolutePath());
} catch (IOException e) {
Log.w(TAG,
"Exception opening TCP statistics file " + file.getAbsolutePath(),
e);
}
}
return 0L;
}
// File will have format <number><newline>
private static long getNumberFromFilePath(String filename) {
RandomAccessFile raf = getFile(filename);
if (raf == null) {
return 0L;
}
return getNumberFromFile(raf, filename);
}
// Private buffer for getNumberFromFile. Safe for re-use because
// getNumberFromFile is synchronized.
private final static byte[] buf = new byte[16];
private static synchronized long getNumberFromFile(RandomAccessFile raf, String filename) {
try {
raf.read(buf);
raf.close();
} catch (IOException e) {
Log.w(TAG, "Exception getting TCP bytes from " + filename, e);
return 0L;
} finally {
if (raf != null) {
try {
raf.close();
} catch (IOException e) {
Log.w(TAG, "Exception closing " + filename, e);
}
}
}
long num = 0L;
for (int i = 0; i < buf.length; i++) {
if (buf[i] < '0' || buf[i] > '9') {
break;
}
num *= 10;
num += buf[i] - '0';
}
return num;
}
private static RandomAccessFile getFile(String filename) {
File f = new File(filename);
if (!f.canRead()) {
return null;
}
try {
return new RandomAccessFile(f, "r");
} catch (IOException e) {
Log.w(TAG, "Exception opening TCP statistics file " + filename, e);
return null;
}
}
}

View File

@@ -17,8 +17,8 @@
package com.android.internal.os;
import android.bluetooth.BluetoothHeadset;
import android.net.TrafficStats;
import android.os.BatteryStats;
import android.os.NetStat;
import android.os.Parcel;
import android.os.ParcelFormatException;
import android.os.Parcelable;
@@ -1022,8 +1022,8 @@ public final class BatteryStatsImpl extends BatteryStats {
public void doUnplug(long batteryUptime, long batteryRealtime) {
for (int iu = mUidStats.size() - 1; iu >= 0; iu--) {
Uid u = mUidStats.valueAt(iu);
u.mStartedTcpBytesReceived = NetStat.getUidRxBytes(u.mUid);
u.mStartedTcpBytesSent = NetStat.getUidTxBytes(u.mUid);
u.mStartedTcpBytesReceived = TrafficStats.getUidRxBytes(u.mUid);
u.mStartedTcpBytesSent = TrafficStats.getUidTxBytes(u.mUid);
u.mTcpBytesReceivedAtLastUnplug = u.mCurrentTcpBytesReceived;
u.mTcpBytesSentAtLastUnplug = u.mCurrentTcpBytesSent;
}
@@ -1031,10 +1031,10 @@ public final class BatteryStatsImpl extends BatteryStats {
mUnpluggables.get(i).unplug(batteryUptime, batteryRealtime);
}
// Track total mobile data
doDataUnplug(mMobileDataRx, NetStat.getMobileRxBytes());
doDataUnplug(mMobileDataTx, NetStat.getMobileTxBytes());
doDataUnplug(mTotalDataRx, NetStat.getTotalRxBytes());
doDataUnplug(mTotalDataTx, NetStat.getTotalTxBytes());
doDataUnplug(mMobileDataRx, TrafficStats.getMobileRxBytes());
doDataUnplug(mMobileDataTx, TrafficStats.getMobileTxBytes());
doDataUnplug(mTotalDataRx, TrafficStats.getTotalRxBytes());
doDataUnplug(mTotalDataTx, TrafficStats.getTotalTxBytes());
// Track radio awake time
mRadioDataStart = getCurrentRadioDataUptime();
mRadioDataUptime = 0;
@@ -1058,10 +1058,10 @@ public final class BatteryStatsImpl extends BatteryStats {
for (int i = mUnpluggables.size() - 1; i >= 0; i--) {
mUnpluggables.get(i).plug(batteryUptime, batteryRealtime);
}
doDataPlug(mMobileDataRx, NetStat.getMobileRxBytes());
doDataPlug(mMobileDataTx, NetStat.getMobileTxBytes());
doDataPlug(mTotalDataRx, NetStat.getTotalRxBytes());
doDataPlug(mTotalDataTx, NetStat.getTotalTxBytes());
doDataPlug(mMobileDataRx, TrafficStats.getMobileRxBytes());
doDataPlug(mMobileDataTx, TrafficStats.getMobileTxBytes());
doDataPlug(mTotalDataRx, TrafficStats.getTotalRxBytes());
doDataPlug(mTotalDataTx, TrafficStats.getTotalTxBytes());
// Track radio awake time
mRadioDataUptime = getRadioDataUptime();
mRadioDataStart = -1;
@@ -1519,7 +1519,7 @@ public final class BatteryStatsImpl extends BatteryStats {
public long computeCurrentTcpBytesReceived() {
return mCurrentTcpBytesReceived + (mStartedTcpBytesReceived >= 0
? (NetStat.getUidRxBytes(mUid) - mStartedTcpBytesReceived) : 0);
? (TrafficStats.getUidRxBytes(mUid) - mStartedTcpBytesReceived) : 0);
}
@Override
@@ -1696,7 +1696,7 @@ public final class BatteryStatsImpl extends BatteryStats {
public long computeCurrentTcpBytesSent() {
return mCurrentTcpBytesSent + (mStartedTcpBytesSent >= 0
? (NetStat.getUidTxBytes(mUid) - mStartedTcpBytesSent) : 0);
? (TrafficStats.getUidTxBytes(mUid) - mStartedTcpBytesSent) : 0);
}
void writeToParcelLocked(Parcel out, long batteryRealtime) {
@@ -2919,22 +2919,22 @@ public final class BatteryStatsImpl extends BatteryStats {
/** Only STATS_UNPLUGGED works properly */
public long getMobileTcpBytesSent(int which) {
return getTcpBytes(NetStat.getMobileTxBytes(), mMobileDataTx, which);
return getTcpBytes(TrafficStats.getMobileTxBytes(), mMobileDataTx, which);
}
/** Only STATS_UNPLUGGED works properly */
public long getMobileTcpBytesReceived(int which) {
return getTcpBytes(NetStat.getMobileRxBytes(), mMobileDataRx, which);
return getTcpBytes(TrafficStats.getMobileRxBytes(), mMobileDataRx, which);
}
/** Only STATS_UNPLUGGED works properly */
public long getTotalTcpBytesSent(int which) {
return getTcpBytes(NetStat.getTotalTxBytes(), mTotalDataTx, which);
return getTcpBytes(TrafficStats.getTotalTxBytes(), mTotalDataTx, which);
}
/** Only STATS_UNPLUGGED works properly */
public long getTotalTcpBytesReceived(int which) {
return getTcpBytes(NetStat.getTotalRxBytes(), mTotalDataRx, which);
return getTcpBytes(TrafficStats.getTotalRxBytes(), mTotalDataRx, which);
}
@Override

View File

@@ -19,13 +19,14 @@ package com.google.android.net;
import android.content.ContentResolver;
import android.content.ContentValues;
import android.content.Context;
import android.net.TrafficStats;
import android.net.http.AndroidHttpClient;
import android.os.Build;
import android.os.NetStat;
import android.os.SystemClock;
import android.provider.Checkin;
import android.util.Config;
import android.util.Log;
import org.apache.harmony.xnet.provider.jsse.SSLClientSessionCache;
import org.apache.http.HttpEntity;
import org.apache.http.HttpEntityEnclosingRequest;
import org.apache.http.HttpHost;
@@ -45,7 +46,6 @@ import org.apache.http.impl.client.EntityEnclosingRequestWrapper;
import org.apache.http.impl.client.RequestWrapper;
import org.apache.http.params.HttpParams;
import org.apache.http.protocol.HttpContext;
import org.apache.harmony.xnet.provider.jsse.SSLClientSessionCache;
import java.io.IOException;
import java.net.InetAddress;
@@ -205,8 +205,8 @@ public class GoogleHttpClient implements HttpClient {
// to follow redirects, count each redirect as an additional round trip.
int uid = android.os.Process.myUid();
long startTx = NetStat.getUidTxBytes(uid);
long startRx = NetStat.getUidRxBytes(uid);
long startTx = TrafficStats.getUidTxBytes(uid);
long startRx = TrafficStats.getUidRxBytes(uid);
response = mClient.execute(request, context);
HttpEntity origEntity = response == null ? null : response.getEntity();

View File

@@ -16,11 +16,10 @@
package com.google.android.net;
import android.os.NetStat;
import android.net.TrafficStats;
import android.os.SystemClock;
import android.os.SystemProperties;
import android.util.EventLog;
import org.apache.http.HttpEntity;
import org.apache.http.entity.HttpEntityWrapper;
@@ -45,8 +44,8 @@ public class NetworkStatsEntity extends HttpEntityWrapper {
super.close();
} finally {
long processingTime = SystemClock.elapsedRealtime() - mProcessingStartTime;
long tx = NetStat.getUidTxBytes(mUid);
long rx = NetStat.getUidRxBytes(mUid);
long tx = TrafficStats.getUidTxBytes(mUid);
long rx = TrafficStats.getUidRxBytes(mUid);
EventLog.writeEvent(HTTP_STATS_EVENT, mUa, mResponseLatency, processingTime,
tx - mStartTx, rx - mStartRx);

View File

@@ -17,8 +17,8 @@
package com.android.server;
import android.content.Context;
import android.net.TrafficStats;
import android.os.INetStatService;
import android.os.NetStat;
public class NetStatService extends INetStatService.Stub {
@@ -27,34 +27,34 @@ public class NetStatService extends INetStatService.Stub {
}
public long getMobileTxPackets() {
return NetStat.getMobileTxPkts();
return TrafficStats.getMobileTxPkts();
}
public long getMobileRxPackets() {
return NetStat.getMobileRxPkts();
return TrafficStats.getMobileRxPkts();
}
public long getMobileTxBytes() {
return NetStat.getMobileTxBytes();
return TrafficStats.getMobileTxBytes();
}
public long getMobileRxBytes() {
return NetStat.getMobileRxBytes();
return TrafficStats.getMobileRxBytes();
}
public long getTotalTxPackets() {
return NetStat.getTotalTxPkts();
return TrafficStats.getTotalTxPkts();
}
public long getTotalRxPackets() {
return NetStat.getTotalRxPkts();
return TrafficStats.getTotalRxPkts();
}
public long getTotalTxBytes() {
return NetStat.getTotalTxBytes();
return TrafficStats.getTotalTxBytes();
}
public long getTotalRxBytes() {
return NetStat.getTotalRxBytes();
return TrafficStats.getTotalRxBytes();
}
}