Merge "Replace BaseNetworkObserver with BaseNetdUnsolicitedEventListener"

This commit is contained in:
Lucas Lin
2021-02-25 06:45:15 +00:00
committed by Gerrit Code Review

View File

@@ -91,7 +91,6 @@ import android.net.IConnectivityManager;
import android.net.IDnsResolver;
import android.net.INetd;
import android.net.INetworkActivityListener;
import android.net.INetworkManagementEventObserver;
import android.net.INetworkMonitor;
import android.net.INetworkMonitorCallbacks;
import android.net.INetworkPolicyListener;
@@ -194,6 +193,7 @@ import com.android.internal.util.IndentingPrintWriter;
import com.android.internal.util.LocationPermissionChecker;
import com.android.internal.util.MessageUtils;
import com.android.modules.utils.BasicShellCommandHandler;
import com.android.net.module.util.BaseNetdUnsolicitedEventListener;
import com.android.net.module.util.CollectionUtils;
import com.android.net.module.util.LinkPropertiesUtils.CompareOrUpdateResult;
import com.android.net.module.util.LinkPropertiesUtils.CompareResult;
@@ -214,7 +214,6 @@ import com.android.server.connectivity.NetworkRanker;
import com.android.server.connectivity.PermissionMonitor;
import com.android.server.connectivity.ProxyTracker;
import com.android.server.connectivity.QosCallbackTracker;
import com.android.server.net.BaseNetworkObserver;
import com.android.server.net.NetworkPolicyManagerInternal;
import com.android.server.utils.PriorityDump;
@@ -332,6 +331,7 @@ public class ConnectivityService extends IConnectivityManager.Stub
private INetworkStatsService mStatsService;
private NetworkPolicyManager mPolicyManager;
private NetworkPolicyManagerInternal mPolicyManagerInternal;
private final NetdCallback mNetdCallback;
/**
* TestNetworkService (lazily) created upon first usage. Locked to prevent creation of multiple
@@ -1204,6 +1204,13 @@ public class ConnectivityService extends IConnectivityManager.Stub
mNetworkActivityTracker = new LegacyNetworkActivityTracker(mContext, mHandler, mNMS, mNetd);
mNetdCallback = new NetdCallback();
try {
mNetd.registerUnsolicitedEventListener(mNetdCallback);
} catch (RemoteException | ServiceSpecificException e) {
loge("Error registering event listener :" + e);
}
mSettingsObserver = new SettingsObserver(mContext, mHandler);
registerSettingsCallbacks();
@@ -8649,6 +8656,14 @@ public class ConnectivityService extends IConnectivityManager.Stub
notifyDataStallSuspected(p, network.getNetId());
}
private class NetdCallback extends BaseNetdUnsolicitedEventListener {
@Override
public void onInterfaceClassActivityChanged(boolean isActive, int timerLabel,
long timestampNs, int uid) {
mNetworkActivityTracker.setAndReportNetworkActive(isActive, timerLabel, timestampNs);
}
}
private final LegacyNetworkActivityTracker mNetworkActivityTracker;
/**
@@ -8659,7 +8674,6 @@ public class ConnectivityService extends IConnectivityManager.Stub
private static final int NO_UID = -1;
private final Context mContext;
private final INetd mNetd;
private final INetworkManagementService mNMS;
private final RemoteCallbackList<INetworkActivityListener> mNetworkActivityListeners =
new RemoteCallbackList<>();
// Indicate the current system default network activity is active or not.
@@ -8682,41 +8696,27 @@ public class ConnectivityService extends IConnectivityManager.Stub
LegacyNetworkActivityTracker(@NonNull Context context, @NonNull Handler handler,
@NonNull INetworkManagementService nms, @NonNull INetd netd) {
mContext = context;
mNMS = nms;
mNetd = netd;
mHandler = handler;
try {
mNMS.registerObserver(mDataActivityObserver);
} catch (RemoteException e) {
loge("Error registering observer :" + e);
}
}
// TODO: Migrate away the dependency with INetworkManagementEventObserver.
private final INetworkManagementEventObserver mDataActivityObserver =
new BaseNetworkObserver() {
@Override
public void interfaceClassDataActivityChanged(int transportType, boolean active,
long tsNanos, int uid) {
sendDataActivityBroadcast(transportTypeToLegacyType(transportType), active,
tsNanos);
synchronized (mActiveIdleTimers) {
mNetworkActive = active;
// If there are no idle timers, it means that system is not monitoring
// activity, so the system default network for those default network
// unspecified apps is always considered active.
//
// TODO: If the mActiveIdleTimers is empty, netd will actually not send
// any network activity change event. Whenever this event is received,
// the mActiveIdleTimers should be always not empty. The legacy behavior
// is no-op. Remove to refer to mNetworkActive only.
if (mNetworkActive || mActiveIdleTimers.isEmpty()) {
mHandler.sendMessage(
mHandler.obtainMessage(EVENT_REPORT_NETWORK_ACTIVITY));
}
}
}
};
public void setAndReportNetworkActive(boolean active, int transportType, long tsNanos) {
sendDataActivityBroadcast(transportTypeToLegacyType(transportType), active, tsNanos);
synchronized (mActiveIdleTimers) {
mNetworkActive = active;
// If there are no idle timers, it means that system is not monitoring
// activity, so the system default network for those default network
// unspecified apps is always considered active.
//
// TODO: If the mActiveIdleTimers is empty, netd will actually not send
// any network activity change event. Whenever this event is received,
// the mActiveIdleTimers should be always not empty. The legacy behavior
// is no-op. Remove to refer to mNetworkActive only.
if (mNetworkActive || mActiveIdleTimers.isEmpty()) {
mHandler.sendMessage(mHandler.obtainMessage(EVENT_REPORT_NETWORK_ACTIVITY));
}
}
}
// The network activity should only be updated from ConnectivityService handler thread
// when mActiveIdleTimers lock is held.