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-rw-r--r--core/java/android/net/ConnectivityManager.java136
-rw-r--r--core/java/android/net/IConnectivityManager.aidl5
-rw-r--r--core/java/android/net/NetworkAgent.java120
-rw-r--r--core/java/android/net/NetworkCapabilities.java198
-rw-r--r--core/java/android/net/NetworkRequest.java18
-rw-r--r--core/java/android/os/BatteryManager.java7
-rw-r--r--core/java/android/os/BatteryProperties.java4
-rw-r--r--core/java/android/os/storage/IMountService.java64
-rw-r--r--core/java/android/os/storage/StorageManager.java18
9 files changed, 549 insertions, 21 deletions
diff --git a/core/java/android/net/ConnectivityManager.java b/core/java/android/net/ConnectivityManager.java
index abed1f0..10373cf 100644
--- a/core/java/android/net/ConnectivityManager.java
+++ b/core/java/android/net/ConnectivityManager.java
@@ -1214,6 +1214,142 @@ public class ConnectivityManager {
return true;
}
+ /** @hide */
+ public static class PacketKeepaliveCallback {
+ /** The requested keepalive was successfully started. */
+ public void onStarted() {}
+ /** The keepalive was successfully stopped. */
+ public void onStopped() {}
+ /** An error occurred. */
+ public void onError(int error) {}
+ }
+
+ /**
+ * Allows applications to request that the system periodically send specific packets on their
+ * behalf, using hardware offload to save battery power.
+ *
+ * To request that the system send keepalives, call one of the methods that return a
+ * {@link ConnectivityManager.PacketKeepalive} object, such as {@link #startNattKeepalive},
+ * passing in a non-null callback. If the callback is successfully started, the callback's
+ * {@code onStarted} method will be called. If an error occurs, {@code onError} will be called,
+ * specifying one of the {@code ERROR_*} constants in this class.
+ *
+ * To stop an existing keepalive, call {@link stop}. The system will call {@code onStopped} if
+ * the operation was successfull or {@code onError} if an error occurred.
+ *
+ * @hide
+ */
+ public class PacketKeepalive {
+
+ private static final String TAG = "PacketKeepalive";
+
+ /** @hide */
+ public static final int SUCCESS = 0;
+
+ /** @hide */
+ public static final int NO_KEEPALIVE = -1;
+
+ /** @hide */
+ public static final int BINDER_DIED = -10;
+
+ /** The specified {@code Network} is not connected. */
+ public static final int ERROR_INVALID_NETWORK = -20;
+ /** The specified IP addresses are invalid. For example, the specified source IP address is
+ * not configured on the specified {@code Network}. */
+ public static final int ERROR_INVALID_IP_ADDRESS = -21;
+ /** The requested port is invalid. */
+ public static final int ERROR_INVALID_PORT = -22;
+ /** The packet length is invalid (e.g., too long). */
+ public static final int ERROR_INVALID_LENGTH = -23;
+ /** The packet transmission interval is invalid (e.g., too short). */
+ public static final int ERROR_INVALID_INTERVAL = -24;
+
+ /** The hardware does not support this request. */
+ public static final int ERROR_HARDWARE_UNSUPPORTED = -30;
+
+ public static final int NATT_PORT = 4500;
+
+ private final Network mNetwork;
+ private final PacketKeepaliveCallback mCallback;
+ private final Looper mLooper;
+ private final Messenger mMessenger;
+
+ private volatile Integer mSlot;
+
+ void stopLooper() {
+ mLooper.quit();
+ }
+
+ public void stop() {
+ try {
+ mService.stopKeepalive(mNetwork, mSlot);
+ } catch (RemoteException e) {
+ Log.e(TAG, "Error stopping packet keepalive: ", e);
+ stopLooper();
+ }
+ }
+
+ private PacketKeepalive(Network network, PacketKeepaliveCallback callback) {
+ checkNotNull(network, "network cannot be null");
+ checkNotNull(callback, "callback cannot be null");
+ mNetwork = network;
+ mCallback = callback;
+ HandlerThread thread = new HandlerThread(TAG);
+ thread.start();
+ mLooper = thread.getLooper();
+ mMessenger = new Messenger(new Handler(mLooper) {
+ @Override
+ public void handleMessage(Message message) {
+ switch (message.what) {
+ case NetworkAgent.EVENT_PACKET_KEEPALIVE:
+ int error = message.arg2;
+ try {
+ if (error == SUCCESS) {
+ if (mSlot == null) {
+ mSlot = message.arg1;
+ mCallback.onStarted();
+ } else {
+ mSlot = null;
+ stopLooper();
+ mCallback.onStopped();
+ }
+ } else {
+ stopLooper();
+ mCallback.onError(error);
+ }
+ } catch (Exception e) {
+ Log.e(TAG, "Exception in keepalive callback(" + error + ")", e);
+ }
+ break;
+ default:
+ Log.e(TAG, "Unhandled message " + Integer.toHexString(message.what));
+ break;
+ }
+ }
+ });
+ }
+ }
+
+ /**
+ * Starts an IPsec NAT-T keepalive packet with the specified parameters.
+ *
+ * @hide
+ */
+ public PacketKeepalive startNattKeepalive(
+ Network network, int intervalSeconds, PacketKeepaliveCallback callback,
+ InetAddress srcAddr, int srcPort, InetAddress dstAddr) {
+ final PacketKeepalive k = new PacketKeepalive(network, callback);
+ try {
+ mService.startNattKeepalive(network, intervalSeconds, k.mMessenger, new Binder(),
+ srcAddr.getHostAddress(), srcPort, dstAddr.getHostAddress());
+ } catch (RemoteException e) {
+ Log.e(TAG, "Error starting packet keepalive: ", e);
+ k.stopLooper();
+ return null;
+ }
+ return k;
+ }
+
/**
* Ensure that a network route exists to deliver traffic to the specified
* host via the specified network interface. An attempt to add a route that
diff --git a/core/java/android/net/IConnectivityManager.aidl b/core/java/android/net/IConnectivityManager.aidl
index 46c28a6..d4dd669 100644
--- a/core/java/android/net/IConnectivityManager.aidl
+++ b/core/java/android/net/IConnectivityManager.aidl
@@ -160,4 +160,9 @@ interface IConnectivityManager
boolean setUnderlyingNetworksForVpn(in Network[] networks);
void factoryReset();
+
+ void startNattKeepalive(in Network network, int intervalSeconds, in Messenger messenger,
+ in IBinder binder, String srcAddr, int srcPort, String dstAddr);
+
+ void stopKeepalive(in Network network, int slot);
}
diff --git a/core/java/android/net/NetworkAgent.java b/core/java/android/net/NetworkAgent.java
index 808a882..20c2168 100644
--- a/core/java/android/net/NetworkAgent.java
+++ b/core/java/android/net/NetworkAgent.java
@@ -17,6 +17,7 @@
package android.net;
import android.content.Context;
+import android.os.Bundle;
import android.os.Handler;
import android.os.Looper;
import android.os.Message;
@@ -25,6 +26,7 @@ import android.util.Log;
import com.android.internal.util.AsyncChannel;
import com.android.internal.util.Protocol;
+import android.net.ConnectivityManager.PacketKeepalive;
import java.util.ArrayList;
import java.util.concurrent.atomic.AtomicBoolean;
@@ -143,17 +145,60 @@ public abstract class NetworkAgent extends Handler {
*/
public static final int CMD_SAVE_ACCEPT_UNVALIDATED = BASE + 9;
- /** Sent by ConnectivityService to the NetworkAgent to inform the agent to pull
+ /**
+ * Sent by ConnectivityService to the NetworkAgent to inform the agent to pull
* the underlying network connection for updated bandwidth information.
*/
public static final int CMD_REQUEST_BANDWIDTH_UPDATE = BASE + 10;
/**
+ * Sent by ConnectivityService to the NetworkAgent to request that the specified packet be sent
+ * periodically on the given interval.
+ *
+ * arg1 = the slot number of the keepalive to start
+ * arg2 = interval in seconds
+ * obj = KeepalivePacketData object describing the data to be sent
+ *
+ * Also used internally by ConnectivityService / KeepaliveTracker, with different semantics.
+ */
+ public static final int CMD_START_PACKET_KEEPALIVE = BASE + 11;
+
+ /**
+ * Requests that the specified keepalive packet be stopped.
+ *
+ * arg1 = slot number of the keepalive to stop.
+ *
+ * Also used internally by ConnectivityService / KeepaliveTracker, with different semantics.
+ */
+ public static final int CMD_STOP_PACKET_KEEPALIVE = BASE + 12;
+
+ /**
+ * Sent by the NetworkAgent to ConnectivityService to provide status on a packet keepalive
+ * request. This may either be the reply to a CMD_START_PACKET_KEEPALIVE, or an asynchronous
+ * error notification.
+ *
+ * This is also sent by KeepaliveTracker to the app's ConnectivityManager.PacketKeepalive to
+ * so that the app's PacketKeepaliveCallback methods can be called.
+ *
+ * arg1 = slot number of the keepalive
+ * arg2 = error code
+ */
+ public static final int EVENT_PACKET_KEEPALIVE = BASE + 13;
+
+ /**
+ * Sent by ConnectivityService to inform this network transport of signal strength thresholds
+ * that when crossed should trigger a system wakeup and a NetworkCapabilities update.
+ *
+ * obj = int[] describing signal strength thresholds.
+ */
+ public static final int CMD_SET_SIGNAL_STRENGTH_THRESHOLDS = BASE + 14;
+
+ /**
* Sent by ConnectivityService to the NeworkAgent to inform the agent to avoid
* automatically reconnecting to this network (e.g. via autojoin). Happens
* when user selects "No" option on the "Stay connected?" dialog box.
*/
- public static final int CMD_PREVENT_AUTOMATIC_RECONNECT = BASE + 11;
+ public static final int CMD_PREVENT_AUTOMATIC_RECONNECT = BASE + 15;
public NetworkAgent(Looper looper, Context context, String logTag, NetworkInfo ni,
NetworkCapabilities nc, LinkProperties lp, int score) {
@@ -249,6 +294,27 @@ public abstract class NetworkAgent extends Handler {
saveAcceptUnvalidated(msg.arg1 != 0);
break;
}
+ case CMD_START_PACKET_KEEPALIVE: {
+ startPacketKeepalive(msg);
+ break;
+ }
+ case CMD_STOP_PACKET_KEEPALIVE: {
+ stopPacketKeepalive(msg);
+ break;
+ }
+
+ case CMD_SET_SIGNAL_STRENGTH_THRESHOLDS: {
+ ArrayList<Integer> thresholds =
+ ((Bundle) msg.obj).getIntegerArrayList("thresholds");
+ // TODO: Change signal strength thresholds API to use an ArrayList<Integer>
+ // rather than convert to int[].
+ int[] intThresholds = new int[(thresholds != null) ? thresholds.size() : 0];
+ for (int i = 0; i < intThresholds.length; i++) {
+ intThresholds[i] = thresholds.get(i);
+ }
+ setSignalStrengthThresholds(intThresholds);
+ break;
+ }
case CMD_PREVENT_AUTOMATIC_RECONNECT: {
preventAutomaticReconnect();
break;
@@ -257,13 +323,27 @@ public abstract class NetworkAgent extends Handler {
}
private void queueOrSendMessage(int what, Object obj) {
+ queueOrSendMessage(what, 0, 0, obj);
+ }
+
+ private void queueOrSendMessage(int what, int arg1, int arg2) {
+ queueOrSendMessage(what, arg1, arg2, null);
+ }
+
+ private void queueOrSendMessage(int what, int arg1, int arg2, Object obj) {
+ Message msg = Message.obtain();
+ msg.what = what;
+ msg.arg1 = arg1;
+ msg.arg2 = arg2;
+ msg.obj = obj;
+ queueOrSendMessage(msg);
+ }
+
+ private void queueOrSendMessage(Message msg) {
synchronized (mPreConnectedQueue) {
if (mAsyncChannel != null) {
- mAsyncChannel.sendMessage(what, obj);
+ mAsyncChannel.sendMessage(msg);
} else {
- Message msg = Message.obtain();
- msg.what = what;
- msg.obj = obj;
mPreConnectedQueue.add(msg);
}
}
@@ -378,6 +458,34 @@ public abstract class NetworkAgent extends Handler {
}
/**
+ * Requests that the network hardware send the specified packet at the specified interval.
+ */
+ protected void startPacketKeepalive(Message msg) {
+ onPacketKeepaliveEvent(msg.arg1, PacketKeepalive.ERROR_HARDWARE_UNSUPPORTED);
+ }
+
+ /**
+ * Requests that the network hardware send the specified packet at the specified interval.
+ */
+ protected void stopPacketKeepalive(Message msg) {
+ onPacketKeepaliveEvent(msg.arg1, PacketKeepalive.ERROR_HARDWARE_UNSUPPORTED);
+ }
+
+ /**
+ * Called by the network when a packet keepalive event occurs.
+ */
+ public void onPacketKeepaliveEvent(int slot, int reason) {
+ queueOrSendMessage(EVENT_PACKET_KEEPALIVE, slot, reason);
+ }
+
+ /**
+ * Called by ConnectivityService to inform this network transport of signal strength thresholds
+ * that when crossed should trigger a system wakeup and a NetworkCapabilities update.
+ */
+ protected void setSignalStrengthThresholds(int[] thresholds) {
+ }
+
+ /**
* Called when the user asks to not stay connected to this network because it was found to not
* provide Internet access. Usually followed by call to {@code unwanted}. The transport is
* responsible for making sure the device does not automatically reconnect to the same network
diff --git a/core/java/android/net/NetworkCapabilities.java b/core/java/android/net/NetworkCapabilities.java
index 651fb35..af2068c 100644
--- a/core/java/android/net/NetworkCapabilities.java
+++ b/core/java/android/net/NetworkCapabilities.java
@@ -38,10 +38,7 @@ public final class NetworkCapabilities implements Parcelable {
*/
public NetworkCapabilities() {
clearAll();
- mNetworkCapabilities =
- (1 << NET_CAPABILITY_NOT_RESTRICTED) |
- (1 << NET_CAPABILITY_TRUSTED) |
- (1 << NET_CAPABILITY_NOT_VPN);
+ mNetworkCapabilities = DEFAULT_CAPABILITIES;
}
public NetworkCapabilities(NetworkCapabilities nc) {
@@ -51,6 +48,7 @@ public final class NetworkCapabilities implements Parcelable {
mLinkUpBandwidthKbps = nc.mLinkUpBandwidthKbps;
mLinkDownBandwidthKbps = nc.mLinkDownBandwidthKbps;
mNetworkSpecifier = nc.mNetworkSpecifier;
+ mSignalStrength = nc.mSignalStrength;
}
}
@@ -63,6 +61,7 @@ public final class NetworkCapabilities implements Parcelable {
mNetworkCapabilities = mTransportTypes = 0;
mLinkUpBandwidthKbps = mLinkDownBandwidthKbps = 0;
mNetworkSpecifier = null;
+ mSignalStrength = SIGNAL_STRENGTH_UNSPECIFIED;
}
/**
@@ -187,6 +186,36 @@ public final class NetworkCapabilities implements Parcelable {
private static final int MAX_NET_CAPABILITY = NET_CAPABILITY_CAPTIVE_PORTAL;
/**
+ * Network capabilities that are expected to be mutable, i.e., can change while a particular
+ * network is connected.
+ */
+ private static final long MUTABLE_CAPABILITIES =
+ // TRUSTED can change when user explicitly connects to an untrusted network in Settings.
+ // http://b/18206275
+ (1 << NET_CAPABILITY_TRUSTED) |
+ (1 << NET_CAPABILITY_VALIDATED) |
+ (1 << NET_CAPABILITY_CAPTIVE_PORTAL);
+
+ /**
+ * Network capabilities that are not allowed in NetworkRequests. This exists because the
+ * NetworkFactory / NetworkAgent model does not deal well with the situation where a
+ * capability's presence cannot be known in advance. If such a capability is requested, then we
+ * can get into a cycle where the NetworkFactory endlessly churns out NetworkAgents that then
+ * get immediately torn down because they do not have the requested capability.
+ */
+ private static final long NON_REQUESTABLE_CAPABILITIES =
+ (1 << NET_CAPABILITY_VALIDATED) |
+ (1 << NET_CAPABILITY_CAPTIVE_PORTAL);
+
+ /**
+ * Capabilities that are set by default when the object is constructed.
+ */
+ private static final long DEFAULT_CAPABILITIES =
+ (1 << NET_CAPABILITY_NOT_RESTRICTED) |
+ (1 << NET_CAPABILITY_TRUSTED) |
+ (1 << NET_CAPABILITY_NOT_VPN);
+
+ /**
* Adds the given capability to this {@code NetworkCapability} instance.
* Multiple capabilities may be applied sequentially. Note that when searching
* for a network to satisfy a request, all capabilities requested must be satisfied.
@@ -259,8 +288,31 @@ public final class NetworkCapabilities implements Parcelable {
this.mNetworkCapabilities |= nc.mNetworkCapabilities;
}
- private boolean satisfiedByNetCapabilities(NetworkCapabilities nc) {
- return ((nc.mNetworkCapabilities & this.mNetworkCapabilities) == this.mNetworkCapabilities);
+ /**
+ * Convenience function that returns a human-readable description of the first mutable
+ * capability we find. Used to present an error message to apps that request mutable
+ * capabilities.
+ *
+ * @hide
+ */
+ public String describeFirstNonRequestableCapability() {
+ if (hasCapability(NET_CAPABILITY_VALIDATED)) return "NET_CAPABILITY_VALIDATED";
+ if (hasCapability(NET_CAPABILITY_CAPTIVE_PORTAL)) return "NET_CAPABILITY_CAPTIVE_PORTAL";
+ // This cannot happen unless the preceding checks are incomplete.
+ if ((mNetworkCapabilities & NON_REQUESTABLE_CAPABILITIES) != 0) {
+ return "unknown non-requestable capabilities " + Long.toHexString(mNetworkCapabilities);
+ }
+ if (mLinkUpBandwidthKbps != 0 || mLinkDownBandwidthKbps != 0) return "link bandwidth";
+ if (hasSignalStrength()) return "signalStrength";
+ return null;
+ }
+
+ private boolean satisfiedByNetCapabilities(NetworkCapabilities nc, boolean onlyImmutable) {
+ long networkCapabilities = this.mNetworkCapabilities;
+ if (onlyImmutable) {
+ networkCapabilities = networkCapabilities & ~MUTABLE_CAPABILITIES;
+ }
+ return ((nc.mNetworkCapabilities & networkCapabilities) == networkCapabilities);
}
/** @hide */
@@ -268,6 +320,11 @@ public final class NetworkCapabilities implements Parcelable {
return (nc.mNetworkCapabilities == this.mNetworkCapabilities);
}
+ private boolean equalsNetCapabilitiesImmutable(NetworkCapabilities that) {
+ return ((this.mNetworkCapabilities & ~MUTABLE_CAPABILITIES) ==
+ (that.mNetworkCapabilities & ~MUTABLE_CAPABILITIES));
+ }
+
/**
* Representing the transport type. Apps should generally not care about transport. A
* request for a fast internet connection could be satisfied by a number of different
@@ -516,26 +573,130 @@ public final class NetworkCapabilities implements Parcelable {
}
/**
+ * Magic value that indicates no signal strength provided. A request specifying this value is
+ * always satisfied.
+ *
+ * @hide
+ */
+ public static final int SIGNAL_STRENGTH_UNSPECIFIED = Integer.MIN_VALUE;
+
+ /**
+ * Signal strength. This is a signed integer, and higher values indicate better signal.
+ * The exact units are bearer-dependent. For example, Wi-Fi uses RSSI.
+ */
+ private int mSignalStrength;
+
+ /**
+ * Sets the signal strength. This is a signed integer, with higher values indicating a stronger
+ * signal. The exact units are bearer-dependent. For example, Wi-Fi uses the same RSSI units
+ * reported by WifiManager.
+ * <p>
+ * Note that when used to register a network callback, this specifies the minimum acceptable
+ * signal strength. When received as the state of an existing network it specifies the current
+ * value. A value of code SIGNAL_STRENGTH_UNSPECIFIED} means no value when received and has no
+ * effect when requesting a callback.
+ *
+ * @param signalStrength the bearer-specific signal strength.
+ * @hide
+ */
+ public void setSignalStrength(int signalStrength) {
+ mSignalStrength = signalStrength;
+ }
+
+ /**
+ * Returns {@code true} if this object specifies a signal strength.
+ *
+ * @hide
+ */
+ public boolean hasSignalStrength() {
+ return mSignalStrength > SIGNAL_STRENGTH_UNSPECIFIED;
+ }
+
+ /**
+ * Retrieves the signal strength.
+ *
+ * @return The bearer-specific signal strength.
+ * @hide
+ */
+ public int getSignalStrength() {
+ return mSignalStrength;
+ }
+
+ private void combineSignalStrength(NetworkCapabilities nc) {
+ this.mSignalStrength = Math.max(this.mSignalStrength, nc.mSignalStrength);
+ }
+
+ private boolean satisfiedBySignalStrength(NetworkCapabilities nc) {
+ return this.mSignalStrength <= nc.mSignalStrength;
+ }
+
+ private boolean equalsSignalStrength(NetworkCapabilities nc) {
+ return this.mSignalStrength == nc.mSignalStrength;
+ }
+
+ /**
* Combine a set of Capabilities to this one. Useful for coming up with the complete set
- * {@hide}
+ * @hide
*/
public void combineCapabilities(NetworkCapabilities nc) {
combineNetCapabilities(nc);
combineTransportTypes(nc);
combineLinkBandwidths(nc);
combineSpecifiers(nc);
+ combineSignalStrength(nc);
}
/**
- * Check if our requirements are satisfied by the given Capabilities.
- * {@hide}
+ * Check if our requirements are satisfied by the given {@code NetworkCapabilities}.
+ *
+ * @param nc the {@code NetworkCapabilities} that may or may not satisfy our requirements.
+ * @param onlyImmutable if {@code true}, do not consider mutable requirements such as link
+ * bandwidth, signal strength, or validation / captive portal status.
+ *
+ * @hide
*/
- public boolean satisfiedByNetworkCapabilities(NetworkCapabilities nc) {
+ private boolean satisfiedByNetworkCapabilities(NetworkCapabilities nc, boolean onlyImmutable) {
return (nc != null &&
- satisfiedByNetCapabilities(nc) &&
+ satisfiedByNetCapabilities(nc, onlyImmutable) &&
satisfiedByTransportTypes(nc) &&
- satisfiedByLinkBandwidths(nc) &&
- satisfiedBySpecifier(nc));
+ (onlyImmutable || satisfiedByLinkBandwidths(nc)) &&
+ satisfiedBySpecifier(nc) &&
+ (onlyImmutable || satisfiedBySignalStrength(nc)));
+ }
+
+ /**
+ * Check if our requirements are satisfied by the given {@code NetworkCapabilities}.
+ *
+ * @param nc the {@code NetworkCapabilities} that may or may not satisfy our requirements.
+ *
+ * @hide
+ */
+ public boolean satisfiedByNetworkCapabilities(NetworkCapabilities nc) {
+ return satisfiedByNetworkCapabilities(nc, false);
+ }
+
+ /**
+ * Check if our immutable requirements are satisfied by the given {@code NetworkCapabilities}.
+ *
+ * @param nc the {@code NetworkCapabilities} that may or may not satisfy our requirements.
+ *
+ * @hide
+ */
+ public boolean satisfiedByImmutableNetworkCapabilities(NetworkCapabilities nc) {
+ return satisfiedByNetworkCapabilities(nc, true);
+ }
+
+ /**
+ * Checks that our immutable capabilities are the same as those of the given
+ * {@code NetworkCapabilities}.
+ *
+ * @hide
+ */
+ public boolean equalImmutableCapabilities(NetworkCapabilities nc) {
+ if (nc == null) return false;
+ return (equalsNetCapabilitiesImmutable(nc) &&
+ equalsTransportTypes(nc) &&
+ equalsSpecifier(nc));
}
@Override
@@ -545,6 +706,7 @@ public final class NetworkCapabilities implements Parcelable {
return (equalsNetCapabilities(that) &&
equalsTransportTypes(that) &&
equalsLinkBandwidths(that) &&
+ equalsSignalStrength(that) &&
equalsSpecifier(that));
}
@@ -556,7 +718,8 @@ public final class NetworkCapabilities implements Parcelable {
((int)(mTransportTypes >> 32) * 7) +
(mLinkUpBandwidthKbps * 11) +
(mLinkDownBandwidthKbps * 13) +
- (TextUtils.isEmpty(mNetworkSpecifier) ? 0 : mNetworkSpecifier.hashCode() * 17));
+ (TextUtils.isEmpty(mNetworkSpecifier) ? 0 : mNetworkSpecifier.hashCode() * 17) +
+ (mSignalStrength * 19));
}
@Override
@@ -570,7 +733,9 @@ public final class NetworkCapabilities implements Parcelable {
dest.writeInt(mLinkUpBandwidthKbps);
dest.writeInt(mLinkDownBandwidthKbps);
dest.writeString(mNetworkSpecifier);
+ dest.writeInt(mSignalStrength);
}
+
public static final Creator<NetworkCapabilities> CREATOR =
new Creator<NetworkCapabilities>() {
@Override
@@ -582,6 +747,7 @@ public final class NetworkCapabilities implements Parcelable {
netCap.mLinkUpBandwidthKbps = in.readInt();
netCap.mLinkDownBandwidthKbps = in.readInt();
netCap.mNetworkSpecifier = in.readString();
+ netCap.mSignalStrength = in.readInt();
return netCap;
}
@Override
@@ -639,6 +805,8 @@ public final class NetworkCapabilities implements Parcelable {
String specifier = (mNetworkSpecifier == null ?
"" : " Specifier: <" + mNetworkSpecifier + ">");
- return "[" + transports + capabilities + upBand + dnBand + specifier + "]";
+ String signalStrength = (hasSignalStrength() ? " SignalStrength: " + mSignalStrength : "");
+
+ return "[" + transports + capabilities + upBand + dnBand + specifier + signalStrength + "]";
}
}
diff --git a/core/java/android/net/NetworkRequest.java b/core/java/android/net/NetworkRequest.java
index e61594c..4f570dc 100644
--- a/core/java/android/net/NetworkRequest.java
+++ b/core/java/android/net/NetworkRequest.java
@@ -185,6 +185,24 @@ public class NetworkRequest implements Parcelable {
mNetworkCapabilities.setNetworkSpecifier(networkSpecifier);
return this;
}
+
+ /**
+ * Sets the signal strength. This is a signed integer, with higher values indicating a
+ * stronger signal. The exact units are bearer-dependent. For example, Wi-Fi uses the same
+ * RSSI units reported by WifiManager.
+ * <p>
+ * Note that when used to register a network callback, this specifies the minimum acceptable
+ * signal strength. When received as the state of an existing network it specifies the
+ * current value. A value of {@code SIGNAL_STRENGTH_UNSPECIFIED} means no value when
+ * received and has no effect when requesting a callback.
+ *
+ * @param signalStrength the bearer-specific signal strength.
+ * @hide
+ */
+ public Builder setSignalStrength(int signalStrength) {
+ mNetworkCapabilities.setSignalStrength(signalStrength);
+ return this;
+ }
}
// implement the Parcelable interface
diff --git a/core/java/android/os/BatteryManager.java b/core/java/android/os/BatteryManager.java
index cccc4be..1f3e9a7 100644
--- a/core/java/android/os/BatteryManager.java
+++ b/core/java/android/os/BatteryManager.java
@@ -101,6 +101,13 @@ public class BatteryManager {
*/
public static final String EXTRA_INVALID_CHARGER = "invalid_charger";
+ /**
+ * Extra for {@link android.content.Intent#ACTION_BATTERY_CHANGED}:
+ * Int value set to the maximum charging current supported by the charger in micro amperes.
+ * {@hide}
+ */
+ public static final String EXTRA_MAX_CHARGING_CURRENT = "max_charging_current";
+
// values for "status" field in the ACTION_BATTERY_CHANGED Intent
public static final int BATTERY_STATUS_UNKNOWN = 1;
public static final int BATTERY_STATUS_CHARGING = 2;
diff --git a/core/java/android/os/BatteryProperties.java b/core/java/android/os/BatteryProperties.java
index 8f5cf8b..29e868c 100644
--- a/core/java/android/os/BatteryProperties.java
+++ b/core/java/android/os/BatteryProperties.java
@@ -22,6 +22,7 @@ public class BatteryProperties implements Parcelable {
public boolean chargerAcOnline;
public boolean chargerUsbOnline;
public boolean chargerWirelessOnline;
+ public int maxChargingCurrent;
public int batteryStatus;
public int batteryHealth;
public boolean batteryPresent;
@@ -37,6 +38,7 @@ public class BatteryProperties implements Parcelable {
chargerAcOnline = other.chargerAcOnline;
chargerUsbOnline = other.chargerUsbOnline;
chargerWirelessOnline = other.chargerWirelessOnline;
+ maxChargingCurrent = other.maxChargingCurrent;
batteryStatus = other.batteryStatus;
batteryHealth = other.batteryHealth;
batteryPresent = other.batteryPresent;
@@ -55,6 +57,7 @@ public class BatteryProperties implements Parcelable {
chargerAcOnline = p.readInt() == 1 ? true : false;
chargerUsbOnline = p.readInt() == 1 ? true : false;
chargerWirelessOnline = p.readInt() == 1 ? true : false;
+ maxChargingCurrent = p.readInt();
batteryStatus = p.readInt();
batteryHealth = p.readInt();
batteryPresent = p.readInt() == 1 ? true : false;
@@ -68,6 +71,7 @@ public class BatteryProperties implements Parcelable {
p.writeInt(chargerAcOnline ? 1 : 0);
p.writeInt(chargerUsbOnline ? 1 : 0);
p.writeInt(chargerWirelessOnline ? 1 : 0);
+ p.writeInt(maxChargingCurrent);
p.writeInt(batteryStatus);
p.writeInt(batteryHealth);
p.writeInt(batteryPresent ? 1 : 0);
diff --git a/core/java/android/os/storage/IMountService.java b/core/java/android/os/storage/IMountService.java
index fce09dd..9f71ce1 100644
--- a/core/java/android/os/storage/IMountService.java
+++ b/core/java/android/os/storage/IMountService.java
@@ -1180,6 +1180,37 @@ public interface IMountService extends IInterface {
_data.recycle();
}
}
+
+ @Override
+ public void createNewUserDir(int userHandle, String path) throws RemoteException {
+ Parcel _data = Parcel.obtain();
+ Parcel _reply = Parcel.obtain();
+ try {
+ _data.writeInterfaceToken(DESCRIPTOR);
+ _data.writeInt(userHandle);
+ _data.writeString(path);
+ mRemote.transact(Stub.TRANSACTION_createNewUserDir, _data, _reply, 0);
+ _reply.readException();
+ } finally {
+ _reply.recycle();
+ _data.recycle();
+ }
+ }
+
+ @Override
+ public void deleteUserKey(int userHandle) throws RemoteException {
+ Parcel _data = Parcel.obtain();
+ Parcel _reply = Parcel.obtain();
+ try {
+ _data.writeInterfaceToken(DESCRIPTOR);
+ _data.writeInt(userHandle);
+ mRemote.transact(Stub.TRANSACTION_deleteUserKey, _data, _reply, 0);
+ _reply.readException();
+ } finally {
+ _reply.recycle();
+ _data.recycle();
+ }
+ }
}
private static final String DESCRIPTOR = "IMountService";
@@ -1295,6 +1326,9 @@ public interface IMountService extends IInterface {
static final int TRANSACTION_benchmark = IBinder.FIRST_CALL_TRANSACTION + 59;
static final int TRANSACTION_setDebugFlags = IBinder.FIRST_CALL_TRANSACTION + 60;
+ static final int TRANSACTION_createNewUserDir = IBinder.FIRST_CALL_TRANSACTION + 62;
+ static final int TRANSACTION_deleteUserKey = IBinder.FIRST_CALL_TRANSACTION + 63;
+
/**
* Cast an IBinder object into an IMountService interface, generating a
* proxy if needed.
@@ -1850,6 +1884,21 @@ public interface IMountService extends IInterface {
reply.writeNoException();
return true;
}
+ case TRANSACTION_createNewUserDir: {
+ data.enforceInterface(DESCRIPTOR);
+ int userHandle = data.readInt();
+ String path = data.readString();
+ createNewUserDir(userHandle, path);
+ reply.writeNoException();
+ return true;
+ }
+ case TRANSACTION_deleteUserKey: {
+ data.enforceInterface(DESCRIPTOR);
+ int userHandle = data.readInt();
+ deleteUserKey(userHandle);
+ reply.writeNoException();
+ return true;
+ }
}
return super.onTransact(code, data, reply, flags);
}
@@ -2159,4 +2208,19 @@ public interface IMountService extends IInterface {
public String getPrimaryStorageUuid() throws RemoteException;
public void setPrimaryStorageUuid(String volumeUuid, IPackageMoveObserver callback)
throws RemoteException;
+
+ /**
+ * Creates the user data directory, possibly encrypted
+ * @param userHandle Handle of the user whose directory we are creating
+ * @param path Path at which to create the directory.
+ */
+ public void createNewUserDir(int userHandle, String path)
+ throws RemoteException;
+
+ /**
+ * Securely delete the user's encryption key
+ * @param userHandle Handle of the user whose key we are deleting
+ */
+ public void deleteUserKey(int userHandle)
+ throws RemoteException;
}
diff --git a/core/java/android/os/storage/StorageManager.java b/core/java/android/os/storage/StorageManager.java
index d1f3743..1d92453 100644
--- a/core/java/android/os/storage/StorageManager.java
+++ b/core/java/android/os/storage/StorageManager.java
@@ -960,6 +960,24 @@ public class StorageManager {
}
/** {@hide} */
+ public void createNewUserDir(int userHandle, File path) {
+ try {
+ mMountService.createNewUserDir(userHandle, path.getAbsolutePath());
+ } catch (RemoteException e) {
+ throw e.rethrowAsRuntimeException();
+ }
+ }
+
+ /** {@hide} */
+ public void deleteUserKey(int userHandle) {
+ try {
+ mMountService.deleteUserKey(userHandle);
+ } catch (RemoteException e) {
+ throw e.rethrowAsRuntimeException();
+ }
+ }
+
+ /** {@hide} */
public static File maybeTranslateEmulatedPathToInternal(File path) {
final IMountService mountService = IMountService.Stub.asInterface(
ServiceManager.getService("mount"));
generated by cgit v1.1 at 2025-02-05 14:21:07 +0000