Remove the NetworkScore class.

This class is useless at this point and introduces overhead.

Bug: 113554781
Test: FrameworksNetTests
Change-Id: Ib6da6c1c7f2a0b97c847d2e64e5ce16dd821e1e7
This commit is contained in:
Chalard Jean
2020-03-04 17:45:08 +09:00
parent a159122013
commit 8cdee3a431
6 changed files with 21 additions and 209 deletions

View File

@@ -126,7 +126,7 @@ public abstract class NetworkAgent {
/**
* Sent by the NetworkAgent to ConnectivityService to pass the current
* network score.
* obj = network score Integer
* arg1 = network score int
* @hide
*/
public static final int EVENT_NETWORK_SCORE_CHANGED = BASE + 4;
@@ -650,18 +650,7 @@ public abstract class NetworkAgent {
if (score < 0) {
throw new IllegalArgumentException("Score must be >= 0");
}
final NetworkScore ns = new NetworkScore();
ns.putIntExtension(NetworkScore.LEGACY_SCORE, score);
updateScore(ns);
}
/**
* Must be called by the agent when it has a new {@link NetworkScore} for this network.
* @param ns the new score.
* @hide TODO: unhide the NetworkScore class, and rename to sendNetworkScore.
*/
public void updateScore(@NonNull NetworkScore ns) {
queueOrSendMessage(EVENT_NETWORK_SCORE_CHANGED, new NetworkScore(ns));
queueOrSendMessage(EVENT_NETWORK_SCORE_CHANGED, score, 0);
}
/**

View File

@@ -1,162 +0,0 @@
/*
* Copyright (C) 2019 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 android.annotation.NonNull;
import android.annotation.Nullable;
import android.os.Bundle;
import android.os.Parcel;
import android.os.Parcelable;
import java.util.Objects;
/**
* Object representing the quality of a network as perceived by the user.
*
* A NetworkScore object represents the characteristics of a network that affects how good the
* network is considered for a particular use.
* @hide
*/
public final class NetworkScore implements Parcelable {
// The key of bundle which is used to get the legacy network score of NetworkAgentInfo.
// TODO: Remove this when the transition to NetworkScore is over.
public static final String LEGACY_SCORE = "LEGACY_SCORE";
@NonNull
private final Bundle mExtensions;
public NetworkScore() {
mExtensions = new Bundle();
}
public NetworkScore(@NonNull NetworkScore source) {
mExtensions = new Bundle(source.mExtensions);
}
/**
* Put the value of parcelable inside the bundle by key.
*/
public void putExtension(@Nullable String key, @Nullable Parcelable value) {
mExtensions.putParcelable(key, value);
}
/**
* Put the value of int inside the bundle by key.
*/
public void putIntExtension(@Nullable String key, int value) {
mExtensions.putInt(key, value);
}
/**
* Get the value of non primitive type by key.
*/
public <T extends Parcelable> T getExtension(@Nullable String key) {
return mExtensions.getParcelable(key);
}
/**
* Get the value of int by key.
*/
public int getIntExtension(@Nullable String key) {
return mExtensions.getInt(key);
}
/**
* Remove the entry by given key.
*/
public void removeExtension(@Nullable String key) {
mExtensions.remove(key);
}
@Override
public int describeContents() {
return 0;
}
@Override
public void writeToParcel(@NonNull Parcel dest, int flags) {
synchronized (this) {
dest.writeBundle(mExtensions);
}
}
public static final @NonNull Creator<NetworkScore> CREATOR = new Creator<NetworkScore>() {
@Override
public NetworkScore createFromParcel(@NonNull Parcel in) {
return new NetworkScore(in);
}
@Override
public NetworkScore[] newArray(int size) {
return new NetworkScore[size];
}
};
private NetworkScore(@NonNull Parcel in) {
mExtensions = in.readBundle();
}
// TODO: Modify this method once new fields are added into this class.
@Override
public boolean equals(@Nullable Object obj) {
if (!(obj instanceof NetworkScore)) {
return false;
}
final NetworkScore other = (NetworkScore) obj;
return bundlesEqual(mExtensions, other.mExtensions);
}
@Override
public int hashCode() {
int result = 29;
for (String key : mExtensions.keySet()) {
final Object value = mExtensions.get(key);
// The key may be null, so call Objects.hash() is safer.
result += 31 * value.hashCode() + 37 * Objects.hash(key);
}
return result;
}
// mExtensions won't be null since the constructor will create it.
private boolean bundlesEqual(@NonNull Bundle bundle1, @NonNull Bundle bundle2) {
if (bundle1 == bundle2) {
return true;
}
// This is unlikely but it's fine to add this clause here.
if (null == bundle1 || null == bundle2) {
return false;
}
if (bundle1.size() != bundle2.size()) {
return false;
}
for (String key : bundle1.keySet()) {
final Object value1 = bundle1.get(key);
final Object value2 = bundle2.get(key);
if (!Objects.equals(value1, value2)) {
return false;
}
}
return true;
}
/** Convert to a string */
public String toString() {
return "NetworkScore[" + mExtensions.toString() + "]";
}
}

View File

@@ -103,7 +103,6 @@ import android.net.NetworkPolicyManager;
import android.net.NetworkProvider;
import android.net.NetworkQuotaInfo;
import android.net.NetworkRequest;
import android.net.NetworkScore;
import android.net.NetworkSpecifier;
import android.net.NetworkStack;
import android.net.NetworkStackClient;
@@ -2724,8 +2723,7 @@ public class ConnectivityService extends IConnectivityManager.Stub
break;
}
case NetworkAgent.EVENT_NETWORK_SCORE_CHANGED: {
final NetworkScore ns = (NetworkScore) msg.obj;
updateNetworkScore(nai, ns);
updateNetworkScore(nai, msg.arg1);
break;
}
case NetworkAgent.EVENT_SET_EXPLICITLY_SELECTED: {
@@ -5812,12 +5810,10 @@ public class ConnectivityService extends IConnectivityManager.Stub
// TODO: Instead of passing mDefaultRequest, provide an API to determine whether a Network
// satisfies mDefaultRequest.
final NetworkCapabilities nc = new NetworkCapabilities(networkCapabilities);
final NetworkScore ns = new NetworkScore();
ns.putIntExtension(NetworkScore.LEGACY_SCORE, currentScore);
final NetworkAgentInfo nai = new NetworkAgentInfo(messenger, new AsyncChannel(),
new Network(mNetIdManager.reserveNetId()), new NetworkInfo(networkInfo), lp, nc,
ns, mContext, mTrackerHandler, new NetworkAgentConfig(networkAgentConfig), this,
mNetd, mDnsResolver, mNMS, providerId);
currentScore, mContext, mTrackerHandler, new NetworkAgentConfig(networkAgentConfig),
this, mNetd, mDnsResolver, mNMS, providerId);
// Make sure the network capabilities reflect what the agent info says.
nai.getAndSetNetworkCapabilities(mixInCapabilities(nai, nc));
final String extraInfo = networkInfo.getExtraInfo();
@@ -7075,9 +7071,9 @@ public class ConnectivityService extends IConnectivityManager.Stub
}
}
private void updateNetworkScore(NetworkAgentInfo nai, NetworkScore ns) {
if (VDBG || DDBG) log("updateNetworkScore for " + nai.toShortString() + " to " + ns);
nai.setNetworkScore(ns);
private void updateNetworkScore(@NonNull final NetworkAgentInfo nai, final int score) {
if (VDBG || DDBG) log("updateNetworkScore for " + nai.toShortString() + " to " + score);
nai.setScore(score);
rematchAllNetworksAndRequests();
sendUpdatedScoreToFactories(nai);
}

View File

@@ -32,7 +32,6 @@ import android.net.NetworkCapabilities;
import android.net.NetworkInfo;
import android.net.NetworkMonitorManager;
import android.net.NetworkRequest;
import android.net.NetworkScore;
import android.net.NetworkState;
import android.os.Handler;
import android.os.INetworkManagementService;
@@ -236,10 +235,8 @@ public class NetworkAgentInfo implements Comparable<NetworkAgentInfo> {
// validated).
private boolean mLingering;
// This represents the characteristics of a network that affects how good the network is
// considered for a particular use.
@NonNull
private NetworkScore mNetworkScore;
// This represents the quality of the network with no clear scale.
private int mScore;
// The list of NetworkRequests being satisfied by this Network.
private final SparseArray<NetworkRequest> mNetworkRequests = new SparseArray<>();
@@ -268,7 +265,7 @@ public class NetworkAgentInfo implements Comparable<NetworkAgentInfo> {
private final Handler mHandler;
public NetworkAgentInfo(Messenger messenger, AsyncChannel ac, Network net, NetworkInfo info,
LinkProperties lp, NetworkCapabilities nc, @NonNull NetworkScore ns, Context context,
LinkProperties lp, NetworkCapabilities nc, int score, Context context,
Handler handler, NetworkAgentConfig config, ConnectivityService connService, INetd netd,
IDnsResolver dnsResolver, INetworkManagementService nms, int factorySerialNumber) {
this.messenger = messenger;
@@ -277,7 +274,7 @@ public class NetworkAgentInfo implements Comparable<NetworkAgentInfo> {
networkInfo = info;
linkProperties = lp;
networkCapabilities = nc;
mNetworkScore = ns;
mScore = score;
clatd = new Nat464Xlat(this, netd, dnsResolver, nms);
mConnService = connService;
mContext = context;
@@ -491,7 +488,7 @@ public class NetworkAgentInfo implements Comparable<NetworkAgentInfo> {
return ConnectivityConstants.EXPLICITLY_SELECTED_NETWORK_SCORE;
}
int score = mNetworkScore.getIntExtension(NetworkScore.LEGACY_SCORE);
int score = mScore;
if (!lastValidated && !pretendValidated && !ignoreWifiUnvalidationPenalty() && !isVPN()) {
score -= ConnectivityConstants.UNVALIDATED_SCORE_PENALTY;
}
@@ -520,13 +517,8 @@ public class NetworkAgentInfo implements Comparable<NetworkAgentInfo> {
return getCurrentScore(true);
}
public void setNetworkScore(@NonNull NetworkScore ns) {
mNetworkScore = ns;
}
@NonNull
public NetworkScore getNetworkScore() {
return mNetworkScore;
public void setScore(final int score) {
mScore = score;
}
public NetworkState getNetworkState() {

View File

@@ -6729,7 +6729,7 @@ public class ConnectivityServiceTest {
public void testCheckConnectivityDiagnosticsPermissionsNetworkStack() throws Exception {
final NetworkAgentInfo naiWithoutUid =
new NetworkAgentInfo(
null, null, null, null, null, new NetworkCapabilities(), null,
null, null, null, null, null, new NetworkCapabilities(), 0,
mServiceContext, null, null, mService, null, null, null, 0);
mServiceContext.setPermission(
@@ -6745,7 +6745,7 @@ public class ConnectivityServiceTest {
public void testCheckConnectivityDiagnosticsPermissionsNoLocationPermission() throws Exception {
final NetworkAgentInfo naiWithoutUid =
new NetworkAgentInfo(
null, null, null, null, null, new NetworkCapabilities(), null,
null, null, null, null, null, new NetworkCapabilities(), 0,
mServiceContext, null, null, mService, null, null, null, 0);
mServiceContext.setPermission(android.Manifest.permission.NETWORK_STACK, PERMISSION_DENIED);
@@ -6761,7 +6761,7 @@ public class ConnectivityServiceTest {
public void testCheckConnectivityDiagnosticsPermissionsActiveVpn() throws Exception {
final NetworkAgentInfo naiWithoutUid =
new NetworkAgentInfo(
null, null, null, null, null, new NetworkCapabilities(), null,
null, null, null, null, null, new NetworkCapabilities(), 0,
mServiceContext, null, null, mService, null, null, null, 0);
setupLocationPermissions(Build.VERSION_CODES.Q, true, AppOpsManager.OPSTR_FINE_LOCATION,
@@ -6787,7 +6787,7 @@ public class ConnectivityServiceTest {
nc.setAdministratorUids(Arrays.asList(Process.myUid()));
final NetworkAgentInfo naiWithUid =
new NetworkAgentInfo(
null, null, null, null, null, nc, null, mServiceContext, null, null,
null, null, null, null, null, nc, 0, mServiceContext, null, null,
mService, null, null, null, 0);
setupLocationPermissions(Build.VERSION_CODES.Q, true, AppOpsManager.OPSTR_FINE_LOCATION,
@@ -6809,7 +6809,7 @@ public class ConnectivityServiceTest {
nc.setAdministratorUids(Arrays.asList(Process.myUid()));
final NetworkAgentInfo naiWithUid =
new NetworkAgentInfo(
null, null, null, null, null, nc, null, mServiceContext, null, null,
null, null, null, null, null, nc, 0, mServiceContext, null, null,
mService, null, null, null, 0);
setupLocationPermissions(Build.VERSION_CODES.Q, true, AppOpsManager.OPSTR_FINE_LOCATION,

View File

@@ -38,7 +38,6 @@ import android.net.Network;
import android.net.NetworkCapabilities;
import android.net.NetworkInfo;
import android.net.NetworkProvider;
import android.net.NetworkScore;
import android.os.INetworkManagementService;
import android.text.format.DateUtils;
@@ -353,10 +352,8 @@ public class LingerMonitorTest {
NetworkCapabilities caps = new NetworkCapabilities();
caps.addCapability(0);
caps.addTransportType(transport);
NetworkScore ns = new NetworkScore();
ns.putIntExtension(NetworkScore.LEGACY_SCORE, 50);
NetworkAgentInfo nai = new NetworkAgentInfo(null, null, new Network(netId), info, null,
caps, ns, mCtx, null, null /* config */, mConnService, mNetd, mDnsResolver, mNMS,
caps, 50, mCtx, null, null /* config */, mConnService, mNetd, mDnsResolver, mNMS,
NetworkProvider.ID_NONE);
nai.everValidated = true;
return nai;