LineageOS/android_packages_modules_Connectivity
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Network data activity change intent for network interfaces.

Browse Source 
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
This commit is contained in:
Haoyu Bai
2012-06-20 14:29:57 -07:00
parent e0bdc06669
commit b5da575fc7
2 changed files with 51 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
core/java/android/net/ConnectivityManager.java
View File

@@ -136,6 +136,28 @@ public class ConnectivityManager {
*/
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.

29
services/java/com/android/server/ConnectivityService.java
View File

@@ -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.ConnectivityManager;
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 @@ public class ConnectivityService extends IConnectivityManager.Stub {
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 @@ private NetworkStateTracker makeWimaxStateTracker() {
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 @@ private NetworkStateTracker makeWimaxStateTracker() {
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