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Merge "Read "qtaguid" network stats, refactor templates."

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This commit is contained in:
Jeff Sharkey
2011-06-18 23:19:38 -07:00
committed by Android (Google) Code Review
parent b0cd4e2e7c 1b5a2a96f7
commit 13e7d3fa07
19 changed files with 856 additions and 574 deletions
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9
core/java/android/net/INetworkStatsService.aidl
View File

@@ -18,18 +18,19 @@ package android.net;
import android.net.NetworkStats;
import android.net.NetworkStatsHistory;
import android.net.NetworkTemplate;
/** {@hide} */
interface INetworkStatsService {
/** Return historical stats for traffic that matches template. */
NetworkStatsHistory getHistoryForNetwork(int networkTemplate);
NetworkStatsHistory getHistoryForNetwork(in NetworkTemplate template);
/** Return historical stats for specific UID traffic that matches template. */
NetworkStatsHistory getHistoryForUid(int uid, int networkTemplate);
NetworkStatsHistory getHistoryForUid(in NetworkTemplate template, int uid);
/** Return usage summary for traffic that matches template. */
NetworkStats getSummaryForNetwork(long start, long end, int networkTemplate, String subscriberId);
NetworkStats getSummaryForNetwork(in NetworkTemplate template, long start, long end);
/** Return usage summary per UID for traffic that matches template. */
NetworkStats getSummaryForAllUid(long start, long end, int networkTemplate);
NetworkStats getSummaryForAllUid(in NetworkTemplate template, long start, long end);
}

107
core/java/android/net/NetworkIdentity.java Normal file
View File

@@ -0,0 +1,107 @@
/*
* 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 android.net;
import static android.net.ConnectivityManager.isNetworkTypeMobile;
import android.content.Context;
import android.telephony.TelephonyManager;
import com.android.internal.util.Objects;
/**
* Network definition that includes strong identity. Analogous to combining
* {@link NetworkInfo} and an IMSI.
*
* @hide
*/
public class NetworkIdentity {
final int mType;
final int mSubType;
final String mSubscriberId;
public NetworkIdentity(int type, int subType, String subscriberId) {
this.mType = type;
this.mSubType = subType;
this.mSubscriberId = subscriberId;
}
@Override
public int hashCode() {
return Objects.hashCode(mType, mSubType, mSubscriberId);
}
@Override
public boolean equals(Object obj) {
if (obj instanceof NetworkIdentity) {
final NetworkIdentity ident = (NetworkIdentity) obj;
return mType == ident.mType && mSubType == ident.mSubType
&& Objects.equal(mSubscriberId, ident.mSubscriberId);
}
return false;
}
@Override
public String toString() {
final String typeName = ConnectivityManager.getNetworkTypeName(mType);
final String subTypeName;
if (ConnectivityManager.isNetworkTypeMobile(mType)) {
subTypeName = TelephonyManager.getNetworkTypeName(mSubType);
} else {
subTypeName = Integer.toString(mSubType);
}
final String scrubSubscriberId = mSubscriberId != null ? "valid" : "null";
return "[type=" + typeName + ", subType=" + subTypeName + ", subscriberId="
+ scrubSubscriberId + "]";
}
public int getType() {
return mType;
}
public int getSubType() {
return mSubType;
}
public String getSubscriberId() {
return mSubscriberId;
}
/**
* Build a {@link NetworkIdentity} from the given {@link NetworkState},
* assuming that any mobile networks are using the current IMSI.
*/
public static NetworkIdentity buildNetworkIdentity(Context context, NetworkState state) {
final int type = state.networkInfo.getType();
final int subType = state.networkInfo.getSubtype();
// TODO: consider moving subscriberId over to LinkCapabilities, so it
// comes from an authoritative source.
final String subscriberId;
if (isNetworkTypeMobile(type)) {
final TelephonyManager telephony = (TelephonyManager) context.getSystemService(
Context.TELEPHONY_SERVICE);
subscriberId = telephony.getSubscriberId();
} else {
subscriberId = null;
}
return new NetworkIdentity(type, subType, subscriberId);
}
}

32
core/java/android/net/NetworkPolicy.java
View File

@@ -16,37 +16,38 @@
package android.net;
import static com.android.internal.util.Preconditions.checkNotNull;
import android.os.Parcel;
import android.os.Parcelable;
/**
* Policy for a specific network, including usage cycle and limits to be
* enforced.
* Policy for networks matching a {@link NetworkTemplate}, including usage cycle
* and limits to be enforced.
*
* @hide
*/
public class NetworkPolicy implements Parcelable, Comparable<NetworkPolicy> {
public final int networkTemplate;
public final String subscriberId;
public static final long WARNING_DISABLED = -1;
public static final long LIMIT_DISABLED = -1;
public final NetworkTemplate template;
public int cycleDay;
public long warningBytes;
public long limitBytes;
public static final long WARNING_DISABLED = -1;
public static final long LIMIT_DISABLED = -1;
// TODO: teach how to snooze limit for current cycle
public NetworkPolicy(int networkTemplate, String subscriberId, int cycleDay, long warningBytes,
long limitBytes) {
this.networkTemplate = networkTemplate;
this.subscriberId = subscriberId;
public NetworkPolicy(
NetworkTemplate template, int cycleDay, long warningBytes, long limitBytes) {
this.template = checkNotNull(template, "missing NetworkTemplate");
this.cycleDay = cycleDay;
this.warningBytes = warningBytes;
this.limitBytes = limitBytes;
}
public NetworkPolicy(Parcel in) {
networkTemplate = in.readInt();
subscriberId = in.readString();
template = in.readParcelable(null);
cycleDay = in.readInt();
warningBytes = in.readLong();
limitBytes = in.readLong();
@@ -54,8 +55,7 @@ public class NetworkPolicy implements Parcelable, Comparable<NetworkPolicy> {
/** {@inheritDoc} */
public void writeToParcel(Parcel dest, int flags) {
dest.writeInt(networkTemplate);
dest.writeString(subscriberId);
dest.writeParcelable(template, flags);
dest.writeInt(cycleDay);
dest.writeLong(warningBytes);
dest.writeLong(limitBytes);
@@ -81,8 +81,8 @@ public class NetworkPolicy implements Parcelable, Comparable<NetworkPolicy> {
@Override
public String toString() {
return "NetworkPolicy: networkTemplate=" + networkTemplate + ", cycleDay=" + cycleDay
+ ", warningBytes=" + warningBytes + ", limitBytes=" + limitBytes;
return "NetworkPolicy[" + template + "]: cycleDay=" + cycleDay + ", warningBytes="
+ warningBytes + ", limitBytes=" + limitBytes;
}
public static final Creator<NetworkPolicy> CREATOR = new Creator<NetworkPolicy>() {

2
core/java/android/net/NetworkPolicyManager.java
View File

@@ -59,7 +59,7 @@ public class NetworkPolicyManager {
/**
* {@link Intent} extra included in {@link #ACTION_DATA_USAGE_WARNING} and
* {@link #ACTION_DATA_USAGE_LIMIT} to indicate which
* {@link NetworkPolicy#networkTemplate} it applies to.
* {@link NetworkTemplate} rule it applies to.
*/
public static final String EXTRA_NETWORK_TEMPLATE =
"android.intent.extra.NETWORK_TEMPLATE";

48
core/java/android/net/NetworkStats.java
View File

@@ -40,9 +40,8 @@ public class NetworkStats implements Parcelable {
public static final String IFACE_ALL = null;
/** {@link #uid} value when UID details unavailable. */
public static final int UID_ALL = -1;
// NOTE: data should only be accounted for once in this structure; if data
// is broken out, the summarized version should not be included.
/** {@link #tag} value for without tag. */
public static final int TAG_NONE = 0;
/**
* {@link SystemClock#elapsedRealtime()} timestamp when this data was
@@ -52,16 +51,16 @@ public class NetworkStats implements Parcelable {
public int size;
public String[] iface;
public int[] uid;
public int[] tag;
public long[] rx;
public long[] tx;
// TODO: add fg/bg stats once reported by kernel
public NetworkStats(long elapsedRealtime, int initialSize) {
this.elapsedRealtime = elapsedRealtime;
this.size = 0;
this.iface = new String[initialSize];
this.uid = new int[initialSize];
this.tag = new int[initialSize];
this.rx = new long[initialSize];
this.tx = new long[initialSize];
}
@@ -71,21 +70,27 @@ public class NetworkStats implements Parcelable {
size = parcel.readInt();
iface = parcel.createStringArray();
uid = parcel.createIntArray();
tag = parcel.createIntArray();
rx = parcel.createLongArray();
tx = parcel.createLongArray();
}
public NetworkStats addEntry(String iface, int uid, long rx, long tx) {
/**
* Add new stats entry with given values.
*/
public NetworkStats addEntry(String iface, int uid, int tag, long rx, long tx) {
if (size >= this.iface.length) {
final int newLength = Math.max(this.iface.length, 10) * 3 / 2;
this.iface = Arrays.copyOf(this.iface, newLength);
this.uid = Arrays.copyOf(this.uid, newLength);
this.tag = Arrays.copyOf(this.tag, newLength);
this.rx = Arrays.copyOf(this.rx, newLength);
this.tx = Arrays.copyOf(this.tx, newLength);
}
this.iface[size] = iface;
this.uid[size] = uid;
this.tag[size] = tag;
this.rx[size] = rx;
this.tx[size] = tx;
size++;
@@ -93,17 +98,29 @@ public class NetworkStats implements Parcelable {
return this;
}
@Deprecated
public int length() {
return size;
/**
* Combine given values with an existing row, or create a new row if
* {@link #findIndex(String, int, int)} is unable to find match. Can also be
* used to subtract values from existing rows.
*/
public NetworkStats combineEntry(String iface, int uid, int tag, long rx, long tx) {
final int i = findIndex(iface, uid, tag);
if (i == -1) {
// only create new entry when positive contribution
addEntry(iface, uid, tag, rx, tx);
} else {
this.rx[i] += rx;
this.tx[i] += tx;
}
return this;
}
/**
* Find first stats index that matches the requested parameters.
*/
public int findIndex(String iface, int uid) {
public int findIndex(String iface, int uid, int tag) {
for (int i = 0; i < size; i++) {
if (equal(iface, this.iface[i]) && uid == this.uid[i]) {
if (equal(iface, this.iface[i]) && uid == this.uid[i] && tag == this.tag[i]) {
return i;
}
}
@@ -186,12 +203,13 @@ public class NetworkStats implements Parcelable {
for (int i = 0; i < size; i++) {
final String iface = this.iface[i];
final int uid = this.uid[i];
final int tag = this.tag[i];
// find remote row that matches, and subtract
final int j = value.findIndex(iface, uid);
final int j = value.findIndex(iface, uid, tag);
if (j == -1) {
// newly appearing row, return entire value
result.addEntry(iface, uid, this.rx[i], this.tx[i]);
result.addEntry(iface, uid, tag, this.rx[i], this.tx[i]);
} else {
// existing row, subtract remote value
long rx = this.rx[i] - value.rx[j];
@@ -203,7 +221,7 @@ public class NetworkStats implements Parcelable {
rx = Math.max(0, rx);
tx = Math.max(0, tx);
}
result.addEntry(iface, uid, rx, tx);
result.addEntry(iface, uid, tag, rx, tx);
}
}
@@ -221,6 +239,7 @@ public class NetworkStats implements Parcelable {
pw.print(prefix);
pw.print(" iface="); pw.print(iface[i]);
pw.print(" uid="); pw.print(uid[i]);
pw.print(" tag="); pw.print(tag[i]);
pw.print(" rx="); pw.print(rx[i]);
pw.print(" tx="); pw.println(tx[i]);
}
@@ -244,6 +263,7 @@ public class NetworkStats implements Parcelable {
dest.writeInt(size);
dest.writeStringArray(iface);
dest.writeIntArray(uid);
dest.writeIntArray(tag);
dest.writeLongArray(rx);
dest.writeLongArray(tx);
}

14
core/java/android/net/NetworkStatsHistory.java
View File

@@ -40,10 +40,9 @@ import java.util.Random;
* @hide
*/
public class NetworkStatsHistory implements Parcelable {
private static final int VERSION_CURRENT = 1;
private static final int VERSION_INIT = 1;
// TODO: teach about zigzag encoding to use less disk space
// TODO: teach how to convert between bucket sizes
// TODO: teach about varint encoding to use less disk space
public final long bucketDuration;
@@ -83,7 +82,7 @@ public class NetworkStatsHistory implements Parcelable {
public NetworkStatsHistory(DataInputStream in) throws IOException {
final int version = in.readInt();
switch (version) {
case VERSION_CURRENT: {
case VERSION_INIT: {
bucketDuration = in.readLong();
bucketStart = readLongArray(in);
rx = readLongArray(in);
@@ -98,7 +97,7 @@ public class NetworkStatsHistory implements Parcelable {
}
public void writeToStream(DataOutputStream out) throws IOException {
out.writeInt(VERSION_CURRENT);
out.writeInt(VERSION_INIT);
out.writeLong(bucketDuration);
writeLongArray(out, bucketStart, bucketCount);
writeLongArray(out, rx, bucketCount);
@@ -115,6 +114,11 @@ public class NetworkStatsHistory implements Parcelable {
* distribute across internal buckets, creating new buckets as needed.
*/
public void recordData(long start, long end, long rx, long tx) {
if (rx < 0 || tx < 0) {
throw new IllegalArgumentException(
"tried recording negative data: rx=" + rx + ", tx=" + tx);
}
// create any buckets needed by this range
ensureBuckets(start, end);

19
core/java/android/net/NetworkTemplate.aidl Normal file
View File

@@ -0,0 +1,19 @@
/**
* 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 android.net;
parcelable NetworkTemplate;

217
core/java/android/net/NetworkTemplate.java Normal file
View File

@@ -0,0 +1,217 @@
/*
* 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 android.net;
import static android.net.ConnectivityManager.TYPE_WIFI;
import static android.net.ConnectivityManager.TYPE_WIMAX;
import static android.net.ConnectivityManager.isNetworkTypeMobile;
import static android.telephony.TelephonyManager.NETWORK_CLASS_2_G;
import static android.telephony.TelephonyManager.NETWORK_CLASS_3_G;
import static android.telephony.TelephonyManager.NETWORK_CLASS_4_G;
import static android.telephony.TelephonyManager.NETWORK_CLASS_UNKNOWN;
import static android.telephony.TelephonyManager.getNetworkClass;
import android.os.Parcel;
import android.os.Parcelable;
import com.android.internal.util.Objects;
/**
* Template definition used to generically match {@link NetworkIdentity},
* usually when collecting statistics.
*
* @hide
*/
public class NetworkTemplate implements Parcelable {
/**
* Template to combine all {@link ConnectivityManager#TYPE_MOBILE} style
* networks together. Only uses statistics for requested IMSI.
*/
public static final int MATCH_MOBILE_ALL = 1;
/**
* Template to combine all {@link ConnectivityManager#TYPE_MOBILE} style
* networks together that roughly meet a "3G" definition, or lower. Only
* uses statistics for requested IMSI.
*/
public static final int MATCH_MOBILE_3G_LOWER = 2;
/**
* Template to combine all {@link ConnectivityManager#TYPE_MOBILE} style
* networks together that meet a "4G" definition. Only uses statistics for
* requested IMSI.
*/
public static final int MATCH_MOBILE_4G = 3;
/**
* Template to combine all {@link ConnectivityManager#TYPE_WIFI} style
* networks together.
*/
public static final int MATCH_WIFI = 4;
final int mMatchRule;
final String mSubscriberId;
public NetworkTemplate(int matchRule, String subscriberId) {
this.mMatchRule = matchRule;
this.mSubscriberId = subscriberId;
}
public NetworkTemplate(Parcel in) {
mMatchRule = in.readInt();
mSubscriberId = in.readString();
}
/** {@inheritDoc} */
public void writeToParcel(Parcel dest, int flags) {
dest.writeInt(mMatchRule);
dest.writeString(mSubscriberId);
}
/** {@inheritDoc} */
public int describeContents() {
return 0;
}
@Override
public String toString() {
final String scrubSubscriberId = mSubscriberId != null ? "valid" : "null";
return "NetworkTemplate: matchRule=" + getMatchRuleName(mMatchRule) + ", subscriberId="
+ scrubSubscriberId;
}
@Override
public int hashCode() {
return Objects.hashCode(mMatchRule, mSubscriberId);
}
@Override
public boolean equals(Object obj) {
if (obj instanceof NetworkTemplate) {
final NetworkTemplate other = (NetworkTemplate) obj;
return mMatchRule == other.mMatchRule
&& Objects.equal(mSubscriberId, other.mSubscriberId);
}
return false;
}
public int getMatchRule() {
return mMatchRule;
}
public String getSubscriberId() {
return mSubscriberId;
}
/**
* Test if this network matches the given template and IMEI.
*/
public boolean matches(NetworkIdentity ident) {
switch (mMatchRule) {
case MATCH_MOBILE_ALL:
return matchesMobile(ident);
case MATCH_MOBILE_3G_LOWER:
return matchesMobile3gLower(ident);
case MATCH_MOBILE_4G:
return matchesMobile4g(ident);
case MATCH_WIFI:
return matchesWifi(ident);
default:
throw new IllegalArgumentException("unknown network template");
}
}
/**
* Check if mobile network with matching IMEI. Also matches
* {@link #TYPE_WIMAX}.
*/
private boolean matchesMobile(NetworkIdentity ident) {
if (isNetworkTypeMobile(ident.mType) && Objects.equal(mSubscriberId, ident.mSubscriberId)) {
return true;
} else if (ident.mType == TYPE_WIMAX) {
return true;
}
return false;
}
/**
* Check if mobile network classified 3G or lower with matching IMEI.
*/
private boolean matchesMobile3gLower(NetworkIdentity ident) {
if (isNetworkTypeMobile(ident.mType) && Objects.equal(mSubscriberId, ident.mSubscriberId)) {
switch (getNetworkClass(ident.mSubType)) {
case NETWORK_CLASS_UNKNOWN:
case NETWORK_CLASS_2_G:
case NETWORK_CLASS_3_G:
return true;
}
}
return false;
}
/**
* Check if mobile network classified 4G with matching IMEI. Also matches
* {@link #TYPE_WIMAX}.
*/
private boolean matchesMobile4g(NetworkIdentity ident) {
if (isNetworkTypeMobile(ident.mType) && Objects.equal(mSubscriberId, ident.mSubscriberId)) {
switch (getNetworkClass(ident.mSubType)) {
case NETWORK_CLASS_4_G:
return true;
}
} else if (ident.mType == TYPE_WIMAX) {
return true;
}
return false;
}
/**
* Check if matches Wi-Fi network template.
*/
private boolean matchesWifi(NetworkIdentity ident) {
if (ident.mType == TYPE_WIFI) {
return true;
}
return false;
}
public static String getMatchRuleName(int matchRule) {
switch (matchRule) {
case MATCH_MOBILE_3G_LOWER:
return "MOBILE_3G_LOWER";
case MATCH_MOBILE_4G:
return "MOBILE_4G";
case MATCH_MOBILE_ALL:
return "MOBILE_ALL";
case MATCH_WIFI:
return "WIFI";
default:
return "UNKNOWN";
}
}
public static final Creator<NetworkTemplate> CREATOR = new Creator<NetworkTemplate>() {
public NetworkTemplate createFromParcel(Parcel in) {
return new NetworkTemplate(in);
}
public NetworkTemplate[] newArray(int size) {
return new NetworkTemplate[size];
}
};
}

45
core/java/android/net/TrafficStats.java
View File

@@ -41,40 +41,6 @@ public class TrafficStats {
*/
public final static int UNSUPPORTED = -1;
/**
* Template to combine all {@link ConnectivityManager#TYPE_MOBILE} style
* networks together. Only uses statistics for requested IMSI.
*
* @hide
*/
public static final int TEMPLATE_MOBILE_ALL = 1;
/**
* Template to combine all {@link ConnectivityManager#TYPE_MOBILE} style
* networks together that roughly meet a "3G" definition, or lower. Only
* uses statistics for requested IMSI.
*
* @hide
*/
public static final int TEMPLATE_MOBILE_3G_LOWER = 2;
/**
* Template to combine all {@link ConnectivityManager#TYPE_MOBILE} style
* networks together that meet a "4G" definition. Only uses statistics for
* requested IMSI.
*
* @hide
*/
public static final int TEMPLATE_MOBILE_4G = 3;
/**
* Template to combine all {@link ConnectivityManager#TYPE_WIFI} style
* networks together.
*
* @hide
*/
public static final int TEMPLATE_WIFI = 4;
/**
* Snapshot of {@link NetworkStats} when the currently active profiling
* session started, or {@code null} if no session active.
@@ -182,17 +148,6 @@ public class TrafficStats {
}
}
/** {@hide} */
public static boolean isNetworkTemplateMobile(int networkTemplate) {
switch (networkTemplate) {
case TEMPLATE_MOBILE_3G_LOWER:
case TEMPLATE_MOBILE_4G:
case TEMPLATE_MOBILE_ALL:
return true;
}
return false;
}
/**
* Get the total number of packets transmitted through the mobile interface.
*