Network data activity change intent for network interfaces.
The activity notification is received from netd, an intent
DATA_ACTIVITY_CHANGE is then raised for other part of the system to
consume.
Change-Id: Idfcc4763c51c5b314c57f546c12557082f06bebf
diff --git a/core/java/android/net/ConnectivityManager.java b/core/java/android/net/ConnectivityManager.java
index 5f8793c..fa1ff85 100644
--- a/core/java/android/net/ConnectivityManager.java
+++ b/core/java/android/net/ConnectivityManager.java
@@ -137,6 +137,28 @@
public static final String EXTRA_INET_CONDITION = "inetCondition";
/**
+ * Broadcast action to indicate the change of data activity status
+ * (idle or active) on a network in a recent period.
+ * The network becomes active when data transimission is started, or
+ * idle if there is no data transimition for a period of time.
+ * {@hide}
+ */
+ @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+ public static final String ACTION_DATA_ACTIVITY_CHANGE = "android.net.conn.DATA_ACTIVITY_CHANGE";
+ /**
+ * The lookup key for an enum that indicates the network device type on which this data activity
+ * change happens.
+ * {@hide}
+ */
+ public static final String EXTRA_DEVICE_TYPE = "deviceType";
+ /**
+ * The lookup key for a boolean that indicates the device is active or not. {@code true} means
+ * it is actively sending or receiving data and {@code false} means it is idle.
+ * {@hide}
+ */
+ public static final String EXTRA_IS_ACTIVE = "isActive";
+
+ /**
* Broadcast Action: The setting for background data usage has changed
* values. Use {@link #getBackgroundDataSetting()} to get the current value.
* <p>
diff --git a/services/java/com/android/server/ConnectivityService.java b/services/java/com/android/server/ConnectivityService.java
index 230f07b..9f93901 100644
--- a/services/java/com/android/server/ConnectivityService.java
+++ b/services/java/com/android/server/ConnectivityService.java
@@ -17,6 +17,7 @@
package com.android.server;
import static android.Manifest.permission.MANAGE_NETWORK_POLICY;
+import static android.Manifest.permission.RECEIVE_DATA_ACTIVITY_CHANGE;
import static android.net.ConnectivityManager.CONNECTIVITY_ACTION;
import static android.net.ConnectivityManager.CONNECTIVITY_ACTION_IMMEDIATE;
import static android.net.ConnectivityManager.isNetworkTypeValid;
@@ -35,6 +36,7 @@
import android.net.DummyDataStateTracker;
import android.net.EthernetDataTracker;
import android.net.IConnectivityManager;
+import android.net.INetworkManagementEventObserver;
import android.net.INetworkPolicyListener;
import android.net.INetworkPolicyManager;
import android.net.INetworkStatsService;
@@ -546,6 +548,13 @@
mSettingsObserver = new SettingsObserver(mHandler, EVENT_APPLY_GLOBAL_HTTP_PROXY);
mSettingsObserver.observe(mContext);
+ INetworkManagementEventObserver netdObserver = new NetdObserver();
+ try {
+ mNetd.registerObserver(netdObserver);
+ } catch (RemoteException e) {
+ loge("Error registering observer :" + e);
+ }
+
loadGlobalProxy();
}
private NetworkStateTracker makeWimaxStateTracker() {
@@ -923,6 +932,19 @@
return tracker != null && tracker.setRadio(turnOn);
}
+ private class NetdObserver extends INetworkManagementEventObserver.Stub {
+ public void interfaceClassDataActivityChanged(String label, boolean active) {
+ int deviceType = Integer.parseInt(label);
+ sendDataActivityBroadcast(deviceType, active);
+ }
+
+ public void interfaceStatusChanged(String iface, boolean up) {}
+ public void interfaceLinkStateChanged(String iface, boolean up) {}
+ public void interfaceAdded(String iface) {}
+ public void interfaceRemoved(String iface) {}
+ public void limitReached(String limitName, String iface) {}
+ }
+
/**
* Used to notice when the calling process dies so we can self-expire
*
@@ -1759,6 +1781,13 @@
sendStickyBroadcastDelayed(makeGeneralIntent(info, bcastType), delayMs);
}
+ private void sendDataActivityBroadcast(int deviceType, boolean active) {
+ Intent intent = new Intent(ConnectivityManager.ACTION_DATA_ACTIVITY_CHANGE);
+ intent.putExtra(ConnectivityManager.EXTRA_DEVICE_TYPE, deviceType);
+ intent.putExtra(ConnectivityManager.EXTRA_IS_ACTIVE, active);
+ mContext.sendOrderedBroadcast(intent, RECEIVE_DATA_ACTIVITY_CHANGE);
+ }
+
/**
* Called when an attempt to fail over to another network has failed.
* @param info the {@link NetworkInfo} for the failed network