Merge "Switch LayoutLib to Java 8" into nyc-dev
diff --git a/core/java/android/net/BaseDhcpStateMachine.java b/core/java/android/net/BaseDhcpStateMachine.java
deleted file mode 100644
index a25847d..0000000
--- a/core/java/android/net/BaseDhcpStateMachine.java
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * Copyright (C) 2015 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package android.net;
-
-import com.android.internal.util.StateMachine;
-
-/**
- * Interface that must be implemented by DHCP state machines.
- *
- * This is an abstract class instead of a Java interface so that callers can just declare an object
- * of this type and be able to call all the methods defined by either StateMachine or this class.
- *
- * @hide
- */
-public abstract class BaseDhcpStateMachine extends StateMachine {
- protected BaseDhcpStateMachine(String tag) {
- super(tag);
- }
- public abstract void registerForPreDhcpNotification();
- public abstract void doQuit();
-}
diff --git a/core/java/android/net/DhcpStateMachine.java b/core/java/android/net/DhcpStateMachine.java
deleted file mode 100644
index 73ef78e..0000000
--- a/core/java/android/net/DhcpStateMachine.java
+++ /dev/null
@@ -1,462 +0,0 @@
-/*
- * Copyright (C) 2011 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package android.net;
-
-import com.android.internal.util.Protocol;
-import com.android.internal.util.State;
-import com.android.internal.util.StateMachine;
-
-import android.app.AlarmManager;
-import android.app.PendingIntent;
-import android.content.BroadcastReceiver;
-import android.content.Context;
-import android.content.Intent;
-import android.content.IntentFilter;
-import android.net.DhcpResults;
-import android.net.NetworkUtils;
-import android.os.Message;
-import android.os.PowerManager;
-import android.os.SystemClock;
-import android.util.Log;
-
-/**
- * StateMachine that interacts with the native DHCP client and can talk to
- * a controller that also needs to be a StateMachine
- *
- * The DhcpStateMachine provides the following features:
- * - Wakeup and renewal using the native DHCP client (which will not renew
- * on its own when the device is in suspend state and this can lead to device
- * holding IP address beyond expiry)
- * - A notification right before DHCP request or renewal is started. This
- * can be used for any additional setup before DHCP. For example, wifi sets
- * BT-Wifi coex settings right before DHCP is initiated
- *
- * @hide
- */
-public class DhcpStateMachine extends BaseDhcpStateMachine {
-
- private static final String TAG = "DhcpStateMachine";
- private static final boolean DBG = false;
-
-
- /* A StateMachine that controls the DhcpStateMachine */
- private StateMachine mController;
-
- private Context mContext;
- private BroadcastReceiver mBroadcastReceiver;
- private AlarmManager mAlarmManager;
- private PendingIntent mDhcpRenewalIntent;
- private PowerManager.WakeLock mDhcpRenewWakeLock;
- private static final String WAKELOCK_TAG = "DHCP";
-
- //Remember DHCP configuration from first request
- private DhcpResults mDhcpResults;
-
- private static final int DHCP_RENEW = 0;
- private static final String ACTION_DHCP_RENEW = "android.net.wifi.DHCP_RENEW";
-
- //Used for sanity check on setting up renewal
- private static final int MIN_RENEWAL_TIME_SECS = 5 * 60; // 5 minutes
-
- private final String mInterfaceName;
- private boolean mRegisteredForPreDhcpNotification = false;
-
- private static final int BASE = Protocol.BASE_DHCP;
-
- /* Commands from controller to start/stop DHCP */
- public static final int CMD_START_DHCP = BASE + 1;
- public static final int CMD_STOP_DHCP = BASE + 2;
- public static final int CMD_RENEW_DHCP = BASE + 3;
-
- /* Notification from DHCP state machine prior to DHCP discovery/renewal */
- public static final int CMD_PRE_DHCP_ACTION = BASE + 4;
- /* Notification from DHCP state machine post DHCP discovery/renewal. Indicates
- * success/failure */
- public static final int CMD_POST_DHCP_ACTION = BASE + 5;
- /* Notification from DHCP state machine before quitting */
- public static final int CMD_ON_QUIT = BASE + 6;
-
- /* Command from controller to indicate DHCP discovery/renewal can continue
- * after pre DHCP action is complete */
- public static final int CMD_PRE_DHCP_ACTION_COMPLETE = BASE + 7;
-
- /* Command from ourselves to see if DHCP results are available */
- private static final int CMD_GET_DHCP_RESULTS = BASE + 8;
-
- /* Message.arg1 arguments to CMD_POST_DHCP notification */
- public static final int DHCP_SUCCESS = 1;
- public static final int DHCP_FAILURE = 2;
-
- private State mDefaultState = new DefaultState();
- private State mStoppedState = new StoppedState();
- private State mWaitBeforeStartState = new WaitBeforeStartState();
- private State mRunningState = new RunningState();
- private State mWaitBeforeRenewalState = new WaitBeforeRenewalState();
- private State mPollingState = new PollingState();
-
- private DhcpStateMachine(Context context, StateMachine controller, String intf) {
- super(TAG);
-
- mContext = context;
- mController = controller;
- mInterfaceName = intf;
-
- mAlarmManager = (AlarmManager)mContext.getSystemService(Context.ALARM_SERVICE);
- Intent dhcpRenewalIntent = new Intent(ACTION_DHCP_RENEW, null);
- mDhcpRenewalIntent = PendingIntent.getBroadcast(mContext, DHCP_RENEW, dhcpRenewalIntent, 0);
-
- PowerManager powerManager = (PowerManager)mContext.getSystemService(Context.POWER_SERVICE);
- mDhcpRenewWakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, WAKELOCK_TAG);
- mDhcpRenewWakeLock.setReferenceCounted(false);
-
- mBroadcastReceiver = new BroadcastReceiver() {
- @Override
- public void onReceive(Context context, Intent intent) {
- //DHCP renew
- if (DBG) Log.d(TAG, "Sending a DHCP renewal " + this);
- //Lock released after 40s in worst case scenario
- mDhcpRenewWakeLock.acquire(40000);
- sendMessage(CMD_RENEW_DHCP);
- }
- };
- mContext.registerReceiver(mBroadcastReceiver, new IntentFilter(ACTION_DHCP_RENEW));
-
- addState(mDefaultState);
- addState(mStoppedState, mDefaultState);
- addState(mWaitBeforeStartState, mDefaultState);
- addState(mPollingState, mDefaultState);
- addState(mRunningState, mDefaultState);
- addState(mWaitBeforeRenewalState, mDefaultState);
-
- setInitialState(mStoppedState);
- }
-
- public static DhcpStateMachine makeDhcpStateMachine(Context context, StateMachine controller,
- String intf) {
- DhcpStateMachine dsm = new DhcpStateMachine(context, controller, intf);
- dsm.start();
- return dsm;
- }
-
- /**
- * This sends a notification right before DHCP request/renewal so that the
- * controller can do certain actions before DHCP packets are sent out.
- * When the controller is ready, it sends a CMD_PRE_DHCP_ACTION_COMPLETE message
- * to indicate DHCP can continue
- *
- * This is used by Wifi at this time for the purpose of doing BT-Wifi coex
- * handling during Dhcp
- */
- @Override
- public void registerForPreDhcpNotification() {
- mRegisteredForPreDhcpNotification = true;
- }
-
- /**
- * Quit the DhcpStateMachine.
- *
- * @hide
- */
- @Override
- public void doQuit() {
- quit();
- }
-
- protected void onQuitting() {
- mController.sendMessage(CMD_ON_QUIT);
- }
-
- class DefaultState extends State {
- @Override
- public void exit() {
- mContext.unregisterReceiver(mBroadcastReceiver);
- }
- @Override
- public boolean processMessage(Message message) {
- if (DBG) Log.d(TAG, getName() + message.toString() + "\n");
- switch (message.what) {
- case CMD_RENEW_DHCP:
- Log.e(TAG, "Error! Failed to handle a DHCP renewal on " + mInterfaceName);
- mDhcpRenewWakeLock.release();
- break;
- default:
- Log.e(TAG, "Error! unhandled message " + message);
- break;
- }
- return HANDLED;
- }
- }
-
-
- class StoppedState extends State {
- @Override
- public void enter() {
- if (DBG) Log.d(TAG, getName() + "\n");
- if (!NetworkUtils.stopDhcp(mInterfaceName)) {
- Log.e(TAG, "Failed to stop Dhcp on " + mInterfaceName);
- }
- mDhcpResults = null;
- }
-
- @Override
- public boolean processMessage(Message message) {
- boolean retValue = HANDLED;
- if (DBG) Log.d(TAG, getName() + message.toString() + "\n");
- switch (message.what) {
- case CMD_START_DHCP:
- if (mRegisteredForPreDhcpNotification) {
- /* Notify controller before starting DHCP */
- mController.sendMessage(CMD_PRE_DHCP_ACTION);
- transitionTo(mWaitBeforeStartState);
- } else {
- if (runDhcpStart()) {
- transitionTo(mRunningState);
- }
- }
- break;
- case CMD_STOP_DHCP:
- //ignore
- break;
- default:
- retValue = NOT_HANDLED;
- break;
- }
- return retValue;
- }
- }
-
- class WaitBeforeStartState extends State {
- @Override
- public void enter() {
- if (DBG) Log.d(TAG, getName() + "\n");
- }
-
- @Override
- public boolean processMessage(Message message) {
- boolean retValue = HANDLED;
- if (DBG) Log.d(TAG, getName() + message.toString() + "\n");
- switch (message.what) {
- case CMD_PRE_DHCP_ACTION_COMPLETE:
- if (runDhcpStart()) {
- transitionTo(mRunningState);
- } else {
- transitionTo(mPollingState);
- }
- break;
- case CMD_STOP_DHCP:
- transitionTo(mStoppedState);
- break;
- case CMD_START_DHCP:
- //ignore
- break;
- default:
- retValue = NOT_HANDLED;
- break;
- }
- return retValue;
- }
- }
-
- class PollingState extends State {
- private static final long MAX_DELAY_SECONDS = 32;
- private long delaySeconds;
-
- private void scheduleNextResultsCheck() {
- sendMessageDelayed(obtainMessage(CMD_GET_DHCP_RESULTS), delaySeconds * 1000);
- delaySeconds *= 2;
- if (delaySeconds > MAX_DELAY_SECONDS) {
- delaySeconds = MAX_DELAY_SECONDS;
- }
- }
-
- @Override
- public void enter() {
- if (DBG) Log.d(TAG, "Entering " + getName() + "\n");
- delaySeconds = 1;
- scheduleNextResultsCheck();
- }
-
- @Override
- public boolean processMessage(Message message) {
- boolean retValue = HANDLED;
- if (DBG) Log.d(TAG, getName() + message.toString() + "\n");
- switch (message.what) {
- case CMD_GET_DHCP_RESULTS:
- if (DBG) Log.d(TAG, "GET_DHCP_RESULTS on " + mInterfaceName);
- if (dhcpSucceeded()) {
- transitionTo(mRunningState);
- } else {
- scheduleNextResultsCheck();
- }
- break;
- case CMD_STOP_DHCP:
- transitionTo(mStoppedState);
- break;
- default:
- retValue = NOT_HANDLED;
- break;
- }
- return retValue;
- }
-
- @Override
- public void exit() {
- if (DBG) Log.d(TAG, "Exiting " + getName() + "\n");
- removeMessages(CMD_GET_DHCP_RESULTS);
- }
- }
-
- class RunningState extends State {
- @Override
- public void enter() {
- if (DBG) Log.d(TAG, getName() + "\n");
- }
-
- @Override
- public boolean processMessage(Message message) {
- boolean retValue = HANDLED;
- if (DBG) Log.d(TAG, getName() + message.toString() + "\n");
- switch (message.what) {
- case CMD_STOP_DHCP:
- mAlarmManager.cancel(mDhcpRenewalIntent);
- transitionTo(mStoppedState);
- break;
- case CMD_RENEW_DHCP:
- if (mRegisteredForPreDhcpNotification) {
- /* Notify controller before starting DHCP */
- mController.sendMessage(CMD_PRE_DHCP_ACTION);
- transitionTo(mWaitBeforeRenewalState);
- //mDhcpRenewWakeLock is released in WaitBeforeRenewalState
- } else {
- if (!runDhcpRenew()) {
- transitionTo(mStoppedState);
- }
- mDhcpRenewWakeLock.release();
- }
- break;
- case CMD_START_DHCP:
- //ignore
- break;
- default:
- retValue = NOT_HANDLED;
- }
- return retValue;
- }
- }
-
- class WaitBeforeRenewalState extends State {
- @Override
- public void enter() {
- if (DBG) Log.d(TAG, getName() + "\n");
- }
-
- @Override
- public boolean processMessage(Message message) {
- boolean retValue = HANDLED;
- if (DBG) Log.d(TAG, getName() + message.toString() + "\n");
- switch (message.what) {
- case CMD_STOP_DHCP:
- mAlarmManager.cancel(mDhcpRenewalIntent);
- transitionTo(mStoppedState);
- break;
- case CMD_PRE_DHCP_ACTION_COMPLETE:
- if (runDhcpRenew()) {
- transitionTo(mRunningState);
- } else {
- transitionTo(mStoppedState);
- }
- break;
- case CMD_START_DHCP:
- //ignore
- break;
- default:
- retValue = NOT_HANDLED;
- break;
- }
- return retValue;
- }
- @Override
- public void exit() {
- mDhcpRenewWakeLock.release();
- }
- }
-
- private boolean dhcpSucceeded() {
- DhcpResults dhcpResults = new DhcpResults();
- if (!NetworkUtils.getDhcpResults(mInterfaceName, dhcpResults)) {
- return false;
- }
-
- if (DBG) Log.d(TAG, "DHCP results found for " + mInterfaceName);
- long leaseDuration = dhcpResults.leaseDuration; //int to long conversion
-
- //Sanity check for renewal
- if (leaseDuration >= 0) {
- //TODO: would be good to notify the user that his network configuration is
- //bad and that the device cannot renew below MIN_RENEWAL_TIME_SECS
- if (leaseDuration < MIN_RENEWAL_TIME_SECS) {
- leaseDuration = MIN_RENEWAL_TIME_SECS;
- }
- //Do it a bit earlier than half the lease duration time
- //to beat the native DHCP client and avoid extra packets
- //48% for one hour lease time = 29 minutes
- mAlarmManager.setExact(AlarmManager.ELAPSED_REALTIME_WAKEUP,
- SystemClock.elapsedRealtime() +
- leaseDuration * 480, //in milliseconds
- mDhcpRenewalIntent);
- } else {
- //infinite lease time, no renewal needed
- }
-
- // Fill in any missing fields in dhcpResults from the previous results.
- // If mDhcpResults is null (i.e. this is the first server response),
- // this is a noop.
- dhcpResults.updateFromDhcpRequest(mDhcpResults);
- mDhcpResults = dhcpResults;
- mController.obtainMessage(CMD_POST_DHCP_ACTION, DHCP_SUCCESS, 0, dhcpResults)
- .sendToTarget();
- return true;
- }
-
- private boolean runDhcpStart() {
- /* Stop any existing DHCP daemon before starting new */
- NetworkUtils.stopDhcp(mInterfaceName);
- mDhcpResults = null;
-
- if (DBG) Log.d(TAG, "DHCP request on " + mInterfaceName);
- if (!NetworkUtils.startDhcp(mInterfaceName) || !dhcpSucceeded()) {
- Log.e(TAG, "DHCP request failed on " + mInterfaceName + ": " +
- NetworkUtils.getDhcpError());
- mController.obtainMessage(CMD_POST_DHCP_ACTION, DHCP_FAILURE, 0)
- .sendToTarget();
- return false;
- }
- return true;
- }
-
- private boolean runDhcpRenew() {
- if (DBG) Log.d(TAG, "DHCP renewal on " + mInterfaceName);
- if (!NetworkUtils.startDhcpRenew(mInterfaceName) || !dhcpSucceeded()) {
- Log.e(TAG, "DHCP renew failed on " + mInterfaceName + ": " +
- NetworkUtils.getDhcpError());
- mController.obtainMessage(CMD_POST_DHCP_ACTION, DHCP_FAILURE, 0)
- .sendToTarget();
- return false;
- }
- return true;
- }
-}
diff --git a/services/net/java/android/net/dhcp/DhcpClient.java b/services/net/java/android/net/dhcp/DhcpClient.java
index 38551b6..5229b40 100644
--- a/services/net/java/android/net/dhcp/DhcpClient.java
+++ b/services/net/java/android/net/dhcp/DhcpClient.java
@@ -25,7 +25,6 @@
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
-import android.net.BaseDhcpStateMachine;
import android.net.DhcpResults;
import android.net.InterfaceConfiguration;
import android.net.LinkAddress;
@@ -83,7 +82,7 @@
*
* @hide
*/
-public class DhcpClient extends BaseDhcpStateMachine {
+public class DhcpClient extends StateMachine {
private static final String TAG = "DhcpClient";
private static final boolean DBG = true;
@@ -240,16 +239,10 @@
mOneshotTimeoutAlarm = makeWakeupMessage("ONESHOT_TIMEOUT", CMD_ONESHOT_TIMEOUT);
}
- @Override
public void registerForPreDhcpNotification() {
mRegisteredForPreDhcpNotification = true;
}
- public static BaseDhcpStateMachine makeDhcpStateMachine(
- Context context, StateMachine controller, String intf) {
- return makeDhcpClient(context, controller, intf);
- }
-
public static DhcpClient makeDhcpClient(
Context context, StateMachine controller, String intf) {
DhcpClient client = new DhcpClient(context, controller, intf);
@@ -446,12 +439,12 @@
*
* @hide
*/
- @Override
public void doQuit() {
Log.d(TAG, "doQuit");
quit();
}
+ @Override
protected void onQuitting() {
Log.d(TAG, "onQuitting");
mController.sendMessage(CMD_ON_QUIT);