LineageOS/android_packages_modules_Connectivity
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Setup idletimer for network interface.

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Change-Id: I1251b60f4c3c31c75c2acd531495ca75bbb35ff5
This commit is contained in:
Haoyu Bai
2012-06-28 15:26:19 -07:00
parent 60e6c1ac06
commit 8ce570b0f3
1 changed files with 59 additions and 1 deletions
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60
services/java/com/android/server/ConnectivityService.java
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@@ -1593,6 +1593,10 @@ public class ConnectivityService extends IConnectivityManager.Stub {
int prevNetType = info.getType();
mNetTrackers[prevNetType].setTeardownRequested(false);
// Remove idletimer previously setup in {@code handleConnect}
removeDataActivityTracking(prevNetType);
/*
* If the disconnected network is not the active one, then don't report
* this as a loss of connectivity. What probably happened is that we're
@@ -1869,10 +1873,12 @@ public class ConnectivityService extends IConnectivityManager.Stub {
private void handleConnect(NetworkInfo info) {
final int type = info.getType();
final NetworkStateTracker thisNet = mNetTrackers[type];
setupDataActivityTracking(type);
// snapshot isFailover, because sendConnectedBroadcast() resets it
boolean isFailover = info.isFailover();
final NetworkStateTracker thisNet = mNetTrackers[type];
// if this is a default net and other default is running
// kill the one not preferred
@@ -1941,6 +1947,58 @@ public class ConnectivityService extends IConnectivityManager.Stub {
}
}
/**
* Setup data activity tracking for the given network interface.
*
* Every {@code setupDataActivityTracking} should be paired with a
* {@link removeDataActivityTracking} for cleanup.
*/
private void setupDataActivityTracking(int type) {
final NetworkStateTracker thisNet = mNetTrackers[type];
final String iface = thisNet.getLinkProperties().getInterfaceName();
final int timeout;
if (ConnectivityManager.isNetworkTypeMobile(type)) {
timeout = Settings.Secure.getInt(mContext.getContentResolver(),
Settings.Secure.DATA_ACTIVITY_TIMEOUT_MOBILE,
0);
// Canonicalize mobile network type
type = ConnectivityManager.TYPE_MOBILE;
} else if (ConnectivityManager.TYPE_WIFI == type) {
timeout = Settings.Secure.getInt(mContext.getContentResolver(),
Settings.Secure.DATA_ACTIVITY_TIMEOUT_WIFI,
0);
} else {
// do not track any other networks
timeout = 0;
}
if (timeout > 0 && iface != null) {
try {
mNetd.addIdleTimer(iface, timeout, Integer.toString(type));
} catch (RemoteException e) {
}
}
}
/**
* Remove data activity tracking when network disconnects.
*/
private void removeDataActivityTracking(int type) {
final NetworkStateTracker net = mNetTrackers[type];
final String iface = net.getLinkProperties().getInterfaceName();
if (iface != null && (ConnectivityManager.isNetworkTypeMobile(type) ||
ConnectivityManager.TYPE_WIFI == type)) {
try {
// the call fails silently if no idletimer setup for this interface
mNetd.removeIdleTimer(iface);
} catch (RemoteException e) {
}
}
}
/**
* After a change in the connectivity state of a network. We're mainly
* concerned with making sure that the list of DNS servers is set up