Java程序
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/*
* Copyright (C) 2009 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 com.android.server.content;
import android.accounts.Account;
import android.accounts.AccountAndUser;
import android.accounts.AccountManager;
import android.app.backup.BackupManager;
import android.content.ComponentName;
import android.content.ContentResolver;
import android.content.ContentResolver.SyncExemption;
import android.content.Context;
import android.content.ISyncStatusObserver;
import android.content.PeriodicSync;
import android.content.SyncInfo;
import android.content.SyncRequest;
import android.content.SyncStatusInfo;
import android.content.pm.PackageManager;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteException;
import android.database.sqlite.SQLiteQueryBuilder;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.os.Looper;
import android.os.Message;
import android.os.Parcel;
import android.os.RemoteCallbackList;
import android.os.RemoteException;
import android.os.UserHandle;
import android.util.ArrayMap;
import android.util.AtomicFile;
import android.util.EventLog;
import android.util.Log;
import android.util.Pair;
import android.util.Slog;
import android.util.SparseArray;
import android.util.Xml;
import com.android.internal.annotations.VisibleForTesting;
import com.android.internal.util.ArrayUtils;
import com.android.internal.util.FastXmlSerializer;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import org.xmlpull.v1.XmlSerializer;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Random;
import java.util.TimeZone;
/**
* Singleton that tracks the sync data and overall sync
* history on the device.
*
* @hide
*/
public class SyncStorageEngine {
private static final String TAG = "SyncManager";
private static final String TAG_FILE = "SyncManagerFile";
private static final String XML_ATTR_NEXT_AUTHORITY_ID = "nextAuthorityId";
private static final String XML_ATTR_LISTEN_FOR_TICKLES = "listen-for-tickles";
private static final String XML_ATTR_SYNC_RANDOM_OFFSET = "offsetInSeconds";
private static final String XML_ATTR_ENABLED = "enabled";
private static final String XML_ATTR_USER = "user";
private static final String XML_TAG_LISTEN_FOR_TICKLES = "listenForTickles";
/** Default time for a periodic sync. */
private static final long DEFAULT_POLL_FREQUENCY_SECONDS = 60 * 60 * 24; // One day
/** Percentage of period that is flex by default, if no flexMillis is set. */
private static final double DEFAULT_FLEX_PERCENT_SYNC = 0.04;
/** Lower bound on sync time from which we assign a default flex time. */
private static final long DEFAULT_MIN_FLEX_ALLOWED_SECS = 5;
@VisibleForTesting
static final long MILLIS_IN_4WEEKS = 1000L * 60 * 60 * 24 * 7 * 4;
/** Enum value for a sync start event. */
public static final int EVENT_START = 0;
/** Enum value for a sync stop event. */
public static final int EVENT_STOP = 1;
/** Enum value for a sync with other sources. */
public static final int SOURCE_OTHER = 0;
/** Enum value for a local-initiated sync. */
public static final int SOURCE_LOCAL = 1;
/** Enum value for a poll-based sync (e.g., upon connection to network) */
public static final int SOURCE_POLL = 2;
/** Enum value for a user-initiated sync. */
public static final int SOURCE_USER = 3;
/** Enum value for a periodic sync. */
public static final int SOURCE_PERIODIC = 4;
/** Enum a sync with a "feed" extra */
public static final int SOURCE_FEED = 5;
public static final long NOT_IN_BACKOFF_MODE = -1;
/**
* String names for the sync source types.
*
* KEEP THIS AND {@link SyncStatusInfo#SOURCE_COUNT} IN SYNC.
*/
public static final String[] SOURCES = {
"OTHER",
"LOCAL",
"POLL",
"USER",
"PERIODIC",
"FEED"};
// The MESG column will contain one of these or one of the Error types.
public static final String MESG_SUCCESS = "success";
public static final String MESG_CANCELED = "canceled";
public static final int MAX_HISTORY = 100;
private static final int MSG_WRITE_STATUS = 1;
private static final long WRITE_STATUS_DELAY = 1000*60*10; // 10 minutes
private static final int MSG_WRITE_STATISTICS = 2;
private static final long WRITE_STATISTICS_DELAY = 1000*60*30; // 1/2 hour
private static final boolean SYNC_ENABLED_DEFAULT = false;
// the version of the accounts xml file format
private static final int ACCOUNTS_VERSION = 3;
private static HashMap<String, String> sAuthorityRenames;
private static PeriodicSyncAddedListener mPeriodicSyncAddedListener;
private volatile boolean mIsClockValid;
static {
sAuthorityRenames = new HashMap<String, String>();
sAuthorityRenames.put("contacts", "com.android.contacts");
sAuthorityRenames.put("calendar", "com.android.calendar");
}
static class AccountInfo {
final AccountAndUser accountAndUser;
final HashMap<String, AuthorityInfo> authorities =
new HashMap<String, AuthorityInfo>();
AccountInfo(AccountAndUser accountAndUser) {
this.accountAndUser = accountAndUser;
}
}
/** Bare bones representation of a sync target. */
public static class EndPoint {
public final static EndPoint USER_ALL_PROVIDER_ALL_ACCOUNTS_ALL =
new EndPoint(null, null, UserHandle.USER_ALL);
final Account account;
final int userId;
final String provider;
public EndPoint(Account account, String provider, int userId) {
this.account = account;
this.provider = provider;
this.userId = userId;
}
/**
* An Endpoint for a sync matches if it targets the same sync adapter for the same user.
*
* @param spec the Endpoint to match. If the spec has null fields, they indicate a wildcard
* and match any.
*/
public boolean matchesSpec(EndPoint spec) {
if (userId != spec.userId
&& userId != UserHandle.USER_ALL
&& spec.userId != UserHandle.USER_ALL) {
return false;
}
boolean accountsMatch;
if (spec.account == null) {
accountsMatch = true;
} else {
accountsMatch = account.equals(spec.account);
}
boolean providersMatch;
if (spec.provider == null) {
providersMatch = true;
} else {
providersMatch = provider.equals(spec.provider);
}
return accountsMatch && providersMatch;
}
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append(account == null ? "ALL ACCS" : account.name)
.append("/")
.append(provider == null ? "ALL PDRS" : provider);
sb.append(":u" + userId);
return sb.toString();
}
}
public static class AuthorityInfo {
// Legal values of getIsSyncable
/**
* The syncable state is undefined.
*/
public static final int UNDEFINED = -2;
/**
* Default state for a newly installed adapter. An uninitialized adapter will receive an
* initialization sync which are governed by a different set of rules to that of regular
* syncs.
*/
public static final int NOT_INITIALIZED = -1;
/**
* The adapter will not receive any syncs. This is behaviourally equivalent to
* setSyncAutomatically -> false. However setSyncAutomatically is surfaced to the user
* while this is generally meant to be controlled by the developer.
*/
public static final int NOT_SYNCABLE = 0;
/**
* The adapter is initialized and functioning. This is the normal state for an adapter.
*/
public static final int SYNCABLE = 1;
/**
* The adapter is syncable but still requires an initialization sync. For example an adapter
* than has been restored from a previous device will be in this state. Not meant for
* external use.
*/
public static final int SYNCABLE_NOT_INITIALIZED = 2;
/**
* The adapter is syncable but does not have access to the synced account and needs a
* user access approval.
*/
public static final int SYNCABLE_NO_ACCOUNT_ACCESS = 3;
final EndPoint target;
final int ident;
boolean enabled;
int syncable;
/** Time at which this sync will run, taking into account backoff. */
long backoffTime;
/** Amount of delay due to backoff. */
long backoffDelay;
/** Time offset to add to any requests coming to this target. */
long delayUntil;
final ArrayList<PeriodicSync> periodicSyncs;
/**
* Copy constructor for making deep-ish copies. Only the bundles stored
* in periodic syncs can make unexpected changes.
*
* @param toCopy AuthorityInfo to be copied.
*/
AuthorityInfo(AuthorityInfo toCopy) {
target = toCopy.target;
ident = toCopy.ident;
enabled = toCopy.enabled;
syncable = toCopy.syncable;
backoffTime = toCopy.backoffTime;
backoffDelay = toCopy.backoffDelay;
delayUntil = toCopy.delayUntil;
periodicSyncs = new ArrayList<PeriodicSync>();
for (PeriodicSync sync : toCopy.periodicSyncs) {
// Still not a perfect copy, because we are just copying the mappings.
periodicSyncs.add(new PeriodicSync(sync));
}
}
AuthorityInfo(EndPoint info, int id) {
target = info;
ident = id;
enabled = SYNC_ENABLED_DEFAULT;
periodicSyncs = new ArrayList<PeriodicSync>();
defaultInitialisation();
}
private void defaultInitialisation() {
syncable = NOT_INITIALIZED; // default to "unknown"
backoffTime = -1; // if < 0 then we aren't in backoff mode
backoffDelay = -1; // if < 0 then we aren't in backoff mode
if (mPeriodicSyncAddedListener != null) {
mPeriodicSyncAddedListener.onPeriodicSyncAdded(target, new Bundle(),
DEFAULT_POLL_FREQUENCY_SECONDS,
calculateDefaultFlexTime(DEFAULT_POLL_FREQUENCY_SECONDS));
}
}
@Override
public String toString() {
return target + ", enabled=" + enabled + ", syncable=" + syncable + ", backoff="
+ backoffTime + ", delay=" + delayUntil;
}
}
public static class SyncHistoryItem {
int authorityId;
int historyId;
long eventTime;
long elapsedTime;
int source;
int event;
long upstreamActivity;
long downstreamActivity;
String mesg;
boolean initialization;
Bundle extras;
int reason;
int syncExemptionFlag;
}
public static class DayStats {
public final int day;
public int successCount;
public long successTime;
public int failureCount;
public long failureTime;
public DayStats(int day) {
this.day = day;
}
}
interface OnSyncRequestListener {
/** Called when a sync is needed on an account(s) due to some change in state. */
public void onSyncRequest(EndPoint info, int reason, Bundle extras,
@SyncExemption int syncExemptionFlag);
}
interface PeriodicSyncAddedListener {
/** Called when a periodic sync is added. */
void onPeriodicSyncAdded(EndPoint target, Bundle extras, long pollFrequency, long flex);
}
interface OnAuthorityRemovedListener {
/** Called when an authority is removed. */
void onAuthorityRemoved(EndPoint removedAuthority);
}
/**
* Validator that maintains a lazy cache of accounts and providers to tell if an authority or
* account is valid.
*/
private static class AccountAuthorityValidator {
final private AccountManager mAccountManager;
final private PackageManager mPackageManager;
final private SparseArray<Account[]> mAccountsCache;
final private SparseArray<ArrayMap<String, Boolean>> mProvidersPerUserCache;
AccountAuthorityValidator(Context context) {
mAccountManager = context.getSystemService(AccountManager.class);
mPackageManager = context.getPackageManager();
mAccountsCache = new SparseArray<>();
mProvidersPerUserCache = new SparseArray<>();
}
// An account is valid if an installed authenticator has previously created that account
// on the device
boolean isAccountValid(Account account, int userId) {
Account[] accountsForUser = mAccountsCache.get(userId);
if (accountsForUser == null) {
accountsForUser = mAccountManager.getAccountsAsUser(userId);
mAccountsCache.put(userId, accountsForUser);
}
return ArrayUtils.contains(accountsForUser, account);
}
// An authority is only valid if it has a content provider installed on the system
boolean isAuthorityValid(String authority, int userId) {
ArrayMap<String, Boolean> authorityMap = mProvidersPerUserCache.get(userId);
if (authorityMap == null) {
authorityMap = new ArrayMap<>();
mProvidersPerUserCache.put(userId, authorityMap);
}
if (!authorityMap.containsKey(authority)) {
authorityMap.put(authority, mPackageManager.resolveContentProviderAsUser(authority,
PackageManager.MATCH_DIRECT_BOOT_AWARE
| PackageManager.MATCH_DIRECT_BOOT_UNAWARE, userId) != null);
}
return authorityMap.get(authority);
}
}
// Primary list of all syncable authorities. Also our global lock.
private final SparseArray<AuthorityInfo> mAuthorities =
new SparseArray<AuthorityInfo>();
private final HashMap<AccountAndUser, AccountInfo> mAccounts
= new HashMap<AccountAndUser, AccountInfo>();
private final SparseArray<ArrayList<SyncInfo>> mCurrentSyncs
= new SparseArray<ArrayList<SyncInfo>>();
private final SparseArray<SyncStatusInfo> mSyncStatus =
new SparseArray<SyncStatusInfo>();
private final ArrayList<SyncHistoryItem> mSyncHistory =
new ArrayList<SyncHistoryItem>();
private final RemoteCallbackList<ISyncStatusObserver> mChangeListeners
= new RemoteCallbackList<ISyncStatusObserver>();
/** Reverse mapping for component name -> <userid -> target id>. */
private final ArrayMap<ComponentName, SparseArray<AuthorityInfo>> mServices =
new ArrayMap<ComponentName, SparseArray<AuthorityInfo>>();
private int mNextAuthorityId = 0;
// We keep 4 weeks of stats.
private final DayStats[] mDayStats = new DayStats[7*4];
private final Calendar mCal;
private int mYear;
private int mYearInDays;
private final Context mContext;
private static volatile SyncStorageEngine sSyncStorageEngine = null;
private int mSyncRandomOffset;
/**
* This file contains the core engine state: all accounts and the
* settings for them. It must never be lost, and should be changed
* infrequently, so it is stored as an XML file.
*/
private final AtomicFile mAccountInfoFile;
/**
* This file contains the current sync status. We would like to retain
* it across boots, but its loss is not the end of the world, so we store
* this information as binary data.
*/
private final AtomicFile mStatusFile;
/**
* This file contains sync statistics. This is purely debugging information
* so is written infrequently and can be thrown away at any time.
*/
private final AtomicFile mStatisticsFile;
private int mNextHistoryId = 0;
private SparseArray<Boolean> mMasterSyncAutomatically = new SparseArray<Boolean>();
private boolean mDefaultMasterSyncAutomatically;
private OnSyncRequestListener mSyncRequestListener;
private OnAuthorityRemovedListener mAuthorityRemovedListener;
private boolean mGrantSyncAdaptersAccountAccess;
private final MyHandler mHandler;
private final SyncLogger mLogger;
private SyncStorageEngine(Context context, File dataDir, Looper looper) {
mHandler = new MyHandler(looper);
mContext = context;
sSyncStorageEngine = this;
mLogger = SyncLogger.getInstance();
mCal = Calendar.getInstance(TimeZone.getTimeZone("GMT+0"));
mDefaultMasterSyncAutomatically = mContext.getResources().getBoolean(
com.android.internal.R.bool.config_syncstorageengine_masterSyncAutomatically);
File systemDir = new File(dataDir, "system");
File syncDir = new File(systemDir, "sync");
syncDir.mkdirs();
maybeDeleteLegacyPendingInfoLocked(syncDir);
mAccountInfoFile = new AtomicFile(new File(syncDir, "accounts.xml"), "sync-accounts");
mStatusFile = new AtomicFile(new File(syncDir, "status.bin"), "sync-status");
mStatisticsFile = new AtomicFile(new File(syncDir, "stats.bin"), "sync-stats");
readAccountInfoLocked();
readStatusLocked();
readStatisticsLocked();
readAndDeleteLegacyAccountInfoLocked();
writeAccountInfoLocked();
writeStatusLocked();
writeStatisticsLocked();
if (mLogger.enabled()) {
final int size = mAuthorities.size();
mLogger.log("Loaded ", size, " items");
for (int i = 0; i < size; i++) {
mLogger.log(mAuthorities.valueAt(i));
}
}
}
public static SyncStorageEngine newTestInstance(Context context) {
return new SyncStorageEngine(context, context.getFilesDir(), Looper.getMainLooper());
}
public static void init(Context context, Looper looper) {
if (sSyncStorageEngine != null) {
return;
}
File dataDir = Environment.getDataDirectory();
sSyncStorageEngine = new SyncStorageEngine(context, dataDir, looper);
}
public static SyncStorageEngine getSingleton() {
if (sSyncStorageEngine == null) {
throw new IllegalStateException("not initialized");
}
return sSyncStorageEngine;
}
protected void setOnSyncRequestListener(OnSyncRequestListener listener) {
if (mSyncRequestListener == null) {
mSyncRequestListener = listener;
}
}
protected void setOnAuthorityRemovedListener(OnAuthorityRemovedListener listener) {
if (mAuthorityRemovedListener == null) {
mAuthorityRemovedListener = listener;
}
}
protected void setPeriodicSyncAddedListener(PeriodicSyncAddedListener listener) {
if (mPeriodicSyncAddedListener == null) {
mPeriodicSyncAddedListener = listener;
}
}
private class MyHandler extends Handler {
public MyHandler(Looper looper) {
super(looper);
}
@Override
public void handleMessage(Message msg) {
if (msg.what == MSG_WRITE_STATUS) {
synchronized (mAuthorities) {
writeStatusLocked();
}
} else if (msg.what == MSG_WRITE_STATISTICS) {
synchronized (mAuthorities) {
writeStatisticsLocked();
}
}
}
}
public int getSyncRandomOffset() {
return mSyncRandomOffset;
}
public void addStatusChangeListener(int mask, ISyncStatusObserver callback) {
synchronized (mAuthorities) {
mChangeListeners.register(callback, mask);
}
}
public void removeStatusChangeListener(ISyncStatusObserver callback) {
synchronized (mAuthorities) {
mChangeListeners.unregister(callback);
}
}
/**
* Figure out a reasonable flex time for cases where none is provided (old api calls).
* @param syncTimeSeconds requested sync time from now.
* @return amount of seconds before syncTimeSeconds that the sync can occur.
* I.e.
* earliest_sync_time = syncTimeSeconds - calculateDefaultFlexTime(syncTimeSeconds)
* The flex time is capped at a percentage of the {@link #DEFAULT_POLL_FREQUENCY_SECONDS}.
*/
public static long calculateDefaultFlexTime(long syncTimeSeconds) {
if (syncTimeSeconds < DEFAULT_MIN_FLEX_ALLOWED_SECS) {
// Small enough sync request time that we don't add flex time - developer probably
// wants to wait for an operation to occur before syncing so we honour the
// request time.
return 0L;
} else if (syncTimeSeconds < DEFAULT_POLL_FREQUENCY_SECONDS) {
return (long) (syncTimeSeconds * DEFAULT_FLEX_PERCENT_SYNC);
} else {
// Large enough sync request time that we cap the flex time.
return (long) (DEFAULT_POLL_FREQUENCY_SECONDS * DEFAULT_FLEX_PERCENT_SYNC);
}
}
void reportChange(int which) {
ArrayList<ISyncStatusObserver> reports = null;
synchronized (mAuthorities) {
int i = mChangeListeners.beginBroadcast();
while (i > 0) {
i--;
Integer mask = (Integer)mChangeListeners.getBroadcastCookie(i);
if ((which & mask.intValue()) == 0) {
continue;
}
if (reports == null) {
reports = new ArrayList<ISyncStatusObserver>(i);
}
reports.add(mChangeListeners.getBroadcastItem(i));
}
mChangeListeners.finishBroadcast();
}
if (Log.isLoggable(TAG, Log.VERBOSE)) {
Slog.v(TAG, "reportChange " + which + " to: " + reports);
}
if (reports != null) {
int i = reports.size();
while (i > 0) {
i--;
try {
reports.get(i).onStatusChanged(which);
} catch (RemoteException e) {
// The remote callback list will take care of this for us.
}
}
}
}
public boolean getSyncAutomatically(Account account, int userId, String providerName) {
synchronized (mAuthorities) {
if (account != null) {
AuthorityInfo authority = getAuthorityLocked(
new EndPoint(account, providerName, userId),
"getSyncAutomatically");
return authority != null && authority.enabled;
}
int i = mAuthorities.size();
while (i > 0) {
i--;
AuthorityInfo authorityInfo = mAuthorities.valueAt(i);
if (authorityInfo.target.matchesSpec(new EndPoint(account, providerName, userId))
&& authorityInfo.enabled) {
return true;
}
}
return false;
}
}
public void setSyncAutomatically(Account account, int userId, String providerName,
boolean sync, @SyncExemption int syncExemptionFlag, int callingUid) {
if (Log.isLoggable(TAG, Log.VERBOSE)) {
Slog.d(TAG, "setSyncAutomatically: " + /* account + */" provider " + providerName
+ ", user " + userId + " -> " + sync);
}
mLogger.log("Set sync auto account=", account,
" user=", userId,
" authority=", providerName,
" value=", Boolean.toString(sync),
" callingUid=", callingUid);
synchronized (mAuthorities) {
AuthorityInfo authority =
getOrCreateAuthorityLocked(
new EndPoint(account, providerName, userId),
-1 /* ident */,
false);
if (authority.enabled == sync) {
if (Log.isLoggable(TAG, Log.VERBOSE)) {
Slog.d(TAG, "setSyncAutomatically: already set to " + sync + ", doing nothing");
}
return;
}
// If the adapter was syncable but missing its initialization sync, set it to
// uninitialized now. This is to give it a chance to run any one-time initialization
// logic.
if (sync && authority.syncable == AuthorityInfo.SYNCABLE_NOT_INITIALIZED) {
authority.syncable = AuthorityInfo.NOT_INITIALIZED;
}
authority.enabled = sync;
writeAccountInfoLocked();
}
if (sync) {
requestSync(account, userId, SyncOperation.REASON_SYNC_AUTO, providerName,
new Bundle(),
syncExemptionFlag);
}
reportChange(ContentResolver.SYNC_OBSERVER_TYPE_SETTINGS);
queueBackup();
}
public int getIsSyncable(Account account, int userId, String providerName) {
synchronized (mAuthorities) {
if (account != null) {
AuthorityInfo authority = getAuthorityLocked(
new EndPoint(account, providerName, userId),
"get authority syncable");
if (authority == null) {
return AuthorityInfo.NOT_INITIALIZED;
}
return authority.syncable;
}
int i = mAuthorities.size();
while (i > 0) {
i--;
AuthorityInfo authorityInfo = mAuthorities.valueAt(i);
if (authorityInfo.target != null
&& authorityInfo.target.provider.equals(providerName)) {
return authorityInfo.syncable;
}
}
return AuthorityInfo.NOT_INITIALIZED;
}
}
public void setIsSyncable(Account account, int userId, String providerName, int syncable,
int callingUid) {
setSyncableStateForEndPoint(new EndPoint(account, providerName, userId), syncable,
callingUid);
}
/**
* An enabled sync service and a syncable provider's adapter both get resolved to the same
* persisted variable - namely the "syncable" attribute for an AuthorityInfo in accounts.xml.
* @param target target to set value for.
* @param syncable 0 indicates unsyncable, <0 unknown, >0 is active/syncable.
*/
private void setSyncableStateForEndPoint(EndPoint target, int syncable, int callingUid) {
AuthorityInfo aInfo;
mLogger.log("Set syncable ", target, " value=", Integer.toString(syncable),
" callingUid=", callingUid);
synchronized (mAuthorities) {
aInfo = getOrCreateAuthorityLocked(target, -1, false);
if (syncable < AuthorityInfo.NOT_INITIALIZED) {
syncable = AuthorityInfo.NOT_INITIALIZED;
}
if (Log.isLoggable(TAG, Log.VERBOSE)) {
Slog.d(TAG, "setIsSyncable: " + aInfo.toString() + " -> " + syncable);
}
if (aInfo.syncable == syncable) {
if (Log.isLoggable(TAG, Log.VERBOSE)) {
Slog.d(TAG, "setIsSyncable: already set to " + syncable + ", doing nothing");
}
return;
}
aInfo.syncable = syncable;
writeAccountInfoLocked();
}
if (syncable == AuthorityInfo.SYNCABLE) {
requestSync(aInfo, SyncOperation.REASON_IS_SYNCABLE, new Bundle(),
ContentResolver.SYNC_EXEMPTION_NONE);
}
reportChange(ContentResolver.SYNC_OBSERVER_TYPE_SETTINGS);
}
public Pair<Long, Long> getBackoff(EndPoint info) {
synchronized (mAuthorities) {
AuthorityInfo authority = getAuthorityLocked(info, "getBackoff");
if (authority != null) {
return Pair.create(authority.backoffTime, authority.backoffDelay);
}
return null;
}
}
/**
* Update the backoff for the given endpoint. The endpoint may be for a provider/account and
* the account or provider info be null, which signifies all accounts or providers.
*/
public void setBackoff(EndPoint info, long nextSyncTime, long nextDelay) {
if (Log.isLoggable(TAG, Log.VERBOSE)) {
Slog.v(TAG, "setBackoff: " + info
+ " -> nextSyncTime " + nextSyncTime + ", nextDelay " + nextDelay);
}
boolean changed;
synchronized (mAuthorities) {
if (info.account == null || info.provider == null) {
// Do more work for a provider sync if the provided info has specified all
// accounts/providers.
changed = setBackoffLocked(
info.account /* may be null */,
info.userId,
info.provider /* may be null */,
nextSyncTime, nextDelay);
} else {
AuthorityInfo authorityInfo =
getOrCreateAuthorityLocked(info, -1 /* ident */, true);
if (authorityInfo.backoffTime == nextSyncTime
&& authorityInfo.backoffDelay == nextDelay) {
changed = false;
} else {
authorityInfo.backoffTime = nextSyncTime;
authorityInfo.backoffDelay = nextDelay;
changed = true;
}
}
}
if (changed) {
reportChange(ContentResolver.SYNC_OBSERVER_TYPE_SETTINGS);
}
}
/**
* Either set backoff for a specific authority, or set backoff for all the
* accounts on a specific adapter/all adapters.
*
* @param account account for which to set backoff. Null to specify all accounts.
* @param userId id of the user making this request.
* @param providerName provider for which to set backoff. Null to specify all providers.
* @return true if a change occured.
*/
private boolean setBackoffLocked(Account account, int userId, String providerName,
long nextSyncTime, long nextDelay) {
boolean changed = false;
for (AccountInfo accountInfo : mAccounts.values()) {
if (account != null && !account.equals(accountInfo.accountAndUser.account)
&& userId != accountInfo.accountAndUser.userId) {
continue;
}
for (AuthorityInfo authorityInfo : accountInfo.authorities.values()) {
if (providerName != null
&& !providerName.equals(authorityInfo.target.provider)) {
continue;
}
if (authorityInfo.backoffTime != nextSyncTime
|| authorityInfo.backoffDelay != nextDelay) {
authorityInfo.backoffTime = nextSyncTime;
authorityInfo.backoffDelay = nextDelay;
changed = true;
}
}
}
return changed;
}
public void clearAllBackoffsLocked() {
boolean changed = false;
synchronized (mAuthorities) {
// Clear backoff for all sync adapters.
for (AccountInfo accountInfo : mAccounts.values()) {
for (AuthorityInfo authorityInfo : accountInfo.authorities.values()) {
if (authorityInfo.backoffTime != NOT_IN_BACKOFF_MODE
|| authorityInfo.backoffDelay != NOT_IN_BACKOFF_MODE) {
if (Log.isLoggable(TAG, Log.VERBOSE)) {
Slog.v(TAG, "clearAllBackoffsLocked:"
+ " authority:" + authorityInfo.target
+ " account:" + accountInfo.accountAndUser.account.name
+ " user:" + accountInfo.accountAndUser.userId
+ " backoffTime was: " + authorityInfo.backoffTime
+ " backoffDelay was: " + authorityInfo.backoffDelay);
}
authorityInfo.backoffTime = NOT_IN_BACKOFF_MODE;
authorityInfo.backoffDelay = NOT_IN_BACKOFF_MODE;
changed = true;
}
}
}
}
if (changed) {
reportChange(ContentResolver.SYNC_OBSERVER_TYPE_SETTINGS);
}
}
public long getDelayUntilTime(EndPoint info) {
synchronized (mAuthorities) {
AuthorityInfo authority = getAuthorityLocked(info, "getDelayUntil");
if (authority == null) {
return 0;
}
return authority.delayUntil;
}
}
public void setDelayUntilTime(EndPoint info, long delayUntil) {
if (Log.isLoggable(TAG, Log.VERBOSE)) {
Slog.v(TAG, "setDelayUntil: " + info
+ " -> delayUntil " + delayUntil);
}
synchronized (mAuthorities) {
AuthorityInfo authority = getOrCreateAuthorityLocked(info, -1, true);
if (authority.delayUntil == delayUntil) {
return;
}
authority.delayUntil = delayUntil;
}
reportChange(ContentResolver.SYNC_OBSERVER_TYPE_SETTINGS);
}
/**
* Restore all periodic syncs read from persisted files. Used to restore periodic syncs
* after an OS update.
*/
boolean restoreAllPeriodicSyncs() {
if (mPeriodicSyncAddedListener == null) {
return false;
}
synchronized (mAuthorities) {
for (int i=0; i<mAuthorities.size(); i++) {
AuthorityInfo authority = mAuthorities.valueAt(i);
for (PeriodicSync periodicSync: authority.periodicSyncs) {
mPeriodicSyncAddedListener.onPeriodicSyncAdded(authority.target,
periodicSync.extras, periodicSync.period, periodicSync.flexTime);
}
authority.periodicSyncs.clear();
}
writeAccountInfoLocked();
}
return true;
}
public void setMasterSyncAutomatically(boolean flag, int userId,
@SyncExemption int syncExemptionFlag, int callingUid) {
mLogger.log("Set master enabled=", flag, " user=", userId,
" caller=" + callingUid);
synchronized (mAuthorities) {
Boolean auto = mMasterSyncAutomatically.get(userId);
if (auto != null && auto.equals(flag)) {
return;
}
mMasterSyncAutomatically.put(userId, flag);
writeAccountInfoLocked();
}
if (flag) {
requestSync(null, userId, SyncOperation.REASON_MASTER_SYNC_AUTO, null,
new Bundle(),
syncExemptionFlag);
}
reportChange(ContentResolver.SYNC_OBSERVER_TYPE_SETTINGS);
mContext.sendBroadcast(ContentResolver.ACTION_SYNC_CONN_STATUS_CHANGED);
queueBackup();
}
public boolean getMasterSyncAutomatically(int userId) {
synchronized (mAuthorities) {
Boolean auto = mMasterSyncAutomatically.get(userId);
return auto == null ? mDefaultMasterSyncAutomatically : auto;
}
}
public int getAuthorityCount() {
synchronized (mAuthorities) {
return mAuthorities.size();
}
}
public AuthorityInfo getAuthority(int authorityId) {
synchronized (mAuthorities) {
return mAuthorities.get(authorityId);
}
}
/**
* Returns true if there is currently a sync operation being actively processed for the given
* target.
*/
public boolean isSyncActive(EndPoint info) {
synchronized (mAuthorities) {
for (SyncInfo syncInfo : getCurrentSyncs(info.userId)) {
AuthorityInfo ainfo = getAuthority(syncInfo.authorityId);
if (ainfo != null && ainfo.target.matchesSpec(info)) {
return true;
}
}
}
return false;
}
public void markPending(EndPoint info, boolean pendingValue) {
synchronized (mAuthorities) {
AuthorityInfo authority = getOrCreateAuthorityLocked(info,
-1 /* desired identifier */,
true /* write accounts to storage */);
if (authority == null) {
return;
}
SyncStatusInfo status = getOrCreateSyncStatusLocked(authority.ident);
status.pending = pendingValue;
}
reportChange(ContentResolver.SYNC_OBSERVER_TYPE_PENDING);
}
/**
* Called when the set of account has changed, given the new array of
* active accounts.
*/
public void doDatabaseCleanup(Account[] accounts, int userId) {
synchronized (mAuthorities) {
if (Log.isLoggable(TAG, Log.VERBOSE)) {
Slog.v(TAG, "Updating for new accounts...");
}
SparseArray<AuthorityInfo> removing = new SparseArray<AuthorityInfo>();
Iterator<AccountInfo> accIt = mAccounts.values().iterator();
while (accIt.hasNext()) {
AccountInfo acc = accIt.next();
if (!ArrayUtils.contains(accounts, acc.accountAndUser.account)
&& acc.accountAndUser.userId == userId) {
// This account no longer exists...
if (Log.isLoggable(TAG, Log.VERBOSE)) {
Slog.v(TAG, "Account removed: " + acc.accountAndUser);
}
for (AuthorityInfo auth : acc.authorities.values()) {
removing.put(auth.ident, auth);
}
accIt.remove();
}
}
// Clean out all data structures.
int i = removing.size();
if (i > 0) {
while (i > 0) {
i--;
int ident = removing.keyAt(i);
AuthorityInfo auth = removing.valueAt(i);
if (mAuthorityRemovedListener != null) {
mAuthorityRemovedListener.onAuthorityRemoved(auth.target);
}
mAuthorities.remove(ident);
int j = mSyncStatus.size();
while (j > 0) {
j--;
if (mSyncStatus.keyAt(j) == ident) {
mSyncStatus.remove(mSyncStatus.keyAt(j));
}
}
j = mSyncHistory.size();
while (j > 0) {
j--;
if (mSyncHistory.get(j).authorityId == ident) {
mSyncHistory.remove(j);
}
}
}
writeAccountInfoLocked();
writeStatusLocked();
writeStatisticsLocked();
}
}
}
/**
* Called when a sync is starting. Supply a valid ActiveSyncContext with information
* about the sync.
*/
public SyncInfo addActiveSync(SyncManager.ActiveSyncContext activeSyncContext) {
final SyncInfo syncInfo;
synchronized (mAuthorities) {
if (Log.isLoggable(TAG, Log.VERBOSE)) {
Slog.v(TAG, "setActiveSync: account="
+ " auth=" + activeSyncContext.mSyncOperation.target
+ " src=" + activeSyncContext.mSyncOperation.syncSource
+ " extras=" + activeSyncContext.mSyncOperation.extras);
}
final EndPoint info = activeSyncContext.mSyncOperation.target;
AuthorityInfo authorityInfo = getOrCreateAuthorityLocked(
info,
-1 /* assign a new identifier if creating a new target */,
true /* write to storage if this results in a change */);
syncInfo = new SyncInfo(
authorityInfo.ident,
authorityInfo.target.account,
authorityInfo.target.provider,
activeSyncContext.mStartTime);
getCurrentSyncs(authorityInfo.target.userId).add(syncInfo);
}
reportActiveChange();
return syncInfo;
}
/**
* Called to indicate that a previously active sync is no longer active.
*/
public void removeActiveSync(SyncInfo syncInfo, int userId) {
synchronized (mAuthorities) {
if (Log.isLoggable(TAG, Log.VERBOSE)) {
Slog.v(TAG, "removeActiveSync: account=" + syncInfo.account
+ " user=" + userId
+ " auth=" + syncInfo.authority);
}
getCurrentSyncs(userId).remove(syncInfo);
}
reportActiveChange();
}
/**
* To allow others to send active change reports, to poke clients.
*/
public void reportActiveChange() {
reportChange(ContentResolver.SYNC_OBSERVER_TYPE_ACTIVE);
}
/**
* Note that sync has started for the given operation.
*/
public long insertStartSyncEvent(SyncOperation op, long now) {
long id;
synchronized (mAuthorities) {
if (Log.isLoggable(TAG, Log.VERBOSE)) {
Slog.v(TAG, "insertStartSyncEvent: " + op);
}
AuthorityInfo authority = getAuthorityLocked(op.target, "insertStartSyncEvent");
if (authority == null) {
return -1;
}
SyncHistoryItem item = new SyncHistoryItem();
item.initialization = op.isInitialization();
item.authorityId = authority.ident;
item.historyId = mNextHistoryId++;
if (mNextHistoryId < 0) mNextHistoryId = 0;
item.eventTime = now;
item.source = op.syncSource;
item.reason = op.reason;
item.extras = op.extras;
item.event = EVENT_START;
item.syncExemptionFlag = op.syncExemptionFlag;
mSyncHistory.add(0, item);
while (mSyncHistory.size() > MAX_HISTORY) {
mSyncHistory.remove(mSyncHistory.size()-1);
}
id = item.historyId;
if (Log.isLoggable(TAG, Log.VERBOSE)) Slog.v(TAG, "returning historyId " + id);
}
reportChange(ContentResolver.SYNC_OBSERVER_TYPE_STATUS);
return id;
}
public void stopSyncEvent(long historyId, long elapsedTime, String resultMessage,
long downstreamActivity, long upstreamActivity) {
synchronized (mAuthorities) {
if (Log.isLoggable(TAG, Log.VERBOSE)) {
Slog.v(TAG, "stopSyncEvent: historyId=" + historyId);
}
SyncHistoryItem item = null;
int i = mSyncHistory.size();
while (i > 0) {
i--;
item = mSyncHistory.get(i);
if (item.historyId == historyId) {
break;
}
item = null;
}
if (item == null) {
Slog.w(TAG, "stopSyncEvent: no history for id " + historyId);
return;
}
item.elapsedTime = elapsedTime;
item.event = EVENT_STOP;
item.mesg = resultMessage;
item.downstreamActivity = downstreamActivity;
item.upstreamActivity = upstreamActivity;
SyncStatusInfo status = getOrCreateSyncStatusLocked(item.authorityId);
status.maybeResetTodayStats(isClockValid(), /*force=*/ false);
status.totalStats.numSyncs++;
status.todayStats.numSyncs++;
status.totalStats.totalElapsedTime += elapsedTime;
status.todayStats.totalElapsedTime += elapsedTime;
switch (item.source) {
case SOURCE_LOCAL:
status.totalStats.numSourceLocal++;
status.todayStats.numSourceLocal++;
break;
case SOURCE_POLL:
status.totalStats.numSourcePoll++;
status.todayStats.numSourcePoll++;
break;
case SOURCE_USER:
status.totalStats.numSourceUser++;
status.todayStats.numSourceUser++;
break;
case SOURCE_OTHER:
status.totalStats.numSourceOther++;
status.todayStats.numSourceOther++;
break;
case SOURCE_PERIODIC:
status.totalStats.numSourcePeriodic++;
status.todayStats.numSourcePeriodic++;
break;
case SOURCE_FEED:
status.totalStats.numSourceFeed++;
status.todayStats.numSourceFeed++;
break;
}
boolean writeStatisticsNow = false;
int day = getCurrentDayLocked();
if (mDayStats[0] == null) {
mDayStats[0] = new DayStats(day);
} else if (day != mDayStats[0].day) {
System.arraycopy(mDayStats, 0, mDayStats, 1, mDayStats.length-1);
mDayStats[0] = new DayStats(day);
writeStatisticsNow = true;
} else if (mDayStats[0] == null) {
}
final DayStats ds = mDayStats[0];
final long lastSyncTime = (item.eventTime + elapsedTime);
boolean writeStatusNow = false;
if (MESG_SUCCESS.equals(resultMessage)) {
// - if successful, update the successful columns
if (status.lastSuccessTime == 0 || status.lastFailureTime != 0) {
writeStatusNow = true;
}
status.setLastSuccess(item.source, lastSyncTime);
ds.successCount++;
ds.successTime += elapsedTime;
} else if (!MESG_CANCELED.equals(resultMessage)) {
if (status.lastFailureTime == 0) {
writeStatusNow = true;
}
status.totalStats.numFailures++;
status.todayStats.numFailures++;
status.setLastFailure(item.source, lastSyncTime, resultMessage);
ds.failureCount++;
ds.failureTime += elapsedTime;
} else {
// Cancel
status.totalStats.numCancels++;
status.todayStats.numCancels++;
writeStatusNow = true;
}
final StringBuilder event = new StringBuilder();
event.append("" + resultMessage + " Source=" + SyncStorageEngine.SOURCES[item.source]
+ " Elapsed=");
SyncManager.formatDurationHMS(event, elapsedTime);
event.append(" Reason=");
event.append(SyncOperation.reasonToString(null, item.reason));
if (item.syncExemptionFlag != ContentResolver.SYNC_EXEMPTION_NONE) {
event.append(" Exemption=");
switch (item.syncExemptionFlag) {
case ContentResolver.SYNC_EXEMPTION_PROMOTE_BUCKET:
event.append("fg");
break;
case ContentResolver.SYNC_EXEMPTION_PROMOTE_BUCKET_WITH_TEMP:
event.append("top");
break;
default:
event.append(item.syncExemptionFlag);
break;
}
}
event.append(" Extras=");
SyncOperation.extrasToStringBuilder(item.extras, event);
status.addEvent(event.toString());
if (writeStatusNow) {
writeStatusLocked();
} else if (!mHandler.hasMessages(MSG_WRITE_STATUS)) {
mHandler.sendMessageDelayed(mHandler.obtainMessage(MSG_WRITE_STATUS),
WRITE_STATUS_DELAY);
}
if (writeStatisticsNow) {
writeStatisticsLocked();
} else if (!mHandler.hasMessages(MSG_WRITE_STATISTICS)) {
mHandler.sendMessageDelayed(mHandler.obtainMessage(MSG_WRITE_STATISTICS),
WRITE_STATISTICS_DELAY);
}
}
reportChange(ContentResolver.SYNC_OBSERVER_TYPE_STATUS);
}
/**
* Return a list of the currently active syncs. Note that the returned
* items are the real, live active sync objects, so be careful what you do
* with it.
*/
private List<SyncInfo> getCurrentSyncs(int userId) {
synchronized (mAuthorities) {
return getCurrentSyncsLocked(userId);
}
}
/**
* @param userId Id of user to return current sync info.
* @param canAccessAccounts Determines whether to redact Account information from the result.
* @return a copy of the current syncs data structure. Will not return null.
*/
public List<SyncInfo> getCurrentSyncsCopy(int userId, boolean canAccessAccounts) {
synchronized (mAuthorities) {
final List<SyncInfo> syncs = getCurrentSyncsLocked(userId);
final List<SyncInfo> syncsCopy = new ArrayList<SyncInfo>();
for (SyncInfo sync : syncs) {
SyncInfo copy;
if (!canAccessAccounts) {
copy = SyncInfo.createAccountRedacted(
sync.authorityId, sync.authority, sync.startTime);
} else {
copy = new SyncInfo(sync);
}
syncsCopy.add(copy);
}
return syncsCopy;
}
}
private List<SyncInfo> getCurrentSyncsLocked(int userId) {
ArrayList<SyncInfo> syncs = mCurrentSyncs.get(userId);
if (syncs == null) {
syncs = new ArrayList<SyncInfo>();
mCurrentSyncs.put(userId, syncs);
}
return syncs;
}
/**
* Return a copy of the specified target with the corresponding sync status
*/
public Pair<AuthorityInfo, SyncStatusInfo> getCopyOfAuthorityWithSyncStatus(EndPoint info) {
synchronized (mAuthorities) {
AuthorityInfo authorityInfo = getOrCreateAuthorityLocked(info,
-1 /* assign a new identifier if creating a new target */,
true /* write to storage if this results in a change */);
return createCopyPairOfAuthorityWithSyncStatusLocked(authorityInfo);
}
}
/**
* Returns the status that matches the target.
*
* @param info the endpoint target we are querying status info for.
* @return the SyncStatusInfo for the endpoint.
*/
public SyncStatusInfo getStatusByAuthority(EndPoint info) {
if (info.account == null || info.provider == null) {
return null;
}
synchronized (mAuthorities) {
final int N = mSyncStatus.size();
for (int i = 0; i < N; i++) {
SyncStatusInfo cur = mSyncStatus.valueAt(i);
AuthorityInfo ainfo = mAuthorities.get(cur.authorityId);
if (ainfo != null
&& ainfo.target.matchesSpec(info)) {
return cur;
}
}
return null;
}
}
/** Return true if the pending status is true of any matching authorities. */
public boolean isSyncPending(EndPoint info) {
synchronized (mAuthorities) {
final int N = mSyncStatus.size();
for (int i = 0; i < N; i++) {
SyncStatusInfo cur = mSyncStatus.valueAt(i);
AuthorityInfo ainfo = mAuthorities.get(cur.authorityId);
if (ainfo == null) {
continue;
}
if (!ainfo.target.matchesSpec(info)) {
continue;
}
if (cur.pending) {
return true;
}
}
return false;
}
}
/**
* Return an array of the current sync status for all authorities. Note
* that the objects inside the array are the real, live status objects,
* so be careful what you do with them.
*/
public ArrayList<SyncHistoryItem> getSyncHistory() {
synchronized (mAuthorities) {
final int N = mSyncHistory.size();
ArrayList<SyncHistoryItem> items = new ArrayList<SyncHistoryItem>(N);
for (int i=0; i<N; i++) {
items.add(mSyncHistory.get(i));
}
return items;
}
}
/**
* Return an array of the current per-day statistics. Note
* that the objects inside the array are the real, live status objects,
* so be careful what you do with them.
*/
public DayStats[] getDayStatistics() {
synchronized (mAuthorities) {
DayStats[] ds = new DayStats[mDayStats.length];
System.arraycopy(mDayStats, 0, ds, 0, ds.length);
return ds;
}
}
private Pair<AuthorityInfo, SyncStatusInfo> createCopyPairOfAuthorityWithSyncStatusLocked(
AuthorityInfo authorityInfo) {
SyncStatusInfo syncStatusInfo = getOrCreateSyncStatusLocked(authorityInfo.ident);
return Pair.create(new AuthorityInfo(authorityInfo), new SyncStatusInfo(syncStatusInfo));
}
private int getCurrentDayLocked() {
mCal.setTimeInMillis(System.currentTimeMillis());
final int dayOfYear = mCal.get(Calendar.DAY_OF_YEAR);
if (mYear != mCal.get(Calendar.YEAR)) {
mYear = mCal.get(Calendar.YEAR);
mCal.clear();
mCal.set(Calendar.YEAR, mYear);
mYearInDays = (int)(mCal.getTimeInMillis()/86400000);
}
return dayOfYear + mYearInDays;
}
/**
* Retrieve a target's full info, returning null if one does not exist.
*
* @param info info of the target to look up.
* @param tag If non-null, this will be used in a log message if the
* requested target does not exist.
*/
private AuthorityInfo getAuthorityLocked(EndPoint info, String tag) {
AccountAndUser au = new AccountAndUser(info.account, info.userId);
AccountInfo accountInfo = mAccounts.get(au);
if (accountInfo == null) {
if (tag != null) {
if (Log.isLoggable(TAG, Log.VERBOSE)) {
Slog.v(TAG, tag + ": unknown account " + au);
}
}
return null;
}
AuthorityInfo authority = accountInfo.authorities.get(info.provider);
if (authority == null) {
if (tag != null) {
if (Log.isLoggable(TAG, Log.VERBOSE)) {
Slog.v(TAG, tag + ": unknown provider " + info.provider);
}
}
return null;
}
return authority;
}
/**
* @param info info identifying target.
* @param ident unique identifier for target. -1 for none.
* @param doWrite if true, update the accounts.xml file on the disk.
* @return the authority that corresponds to the provided sync target, creating it if none
* exists.
*/
private AuthorityInfo getOrCreateAuthorityLocked(EndPoint info, int ident, boolean doWrite) {
AuthorityInfo authority = null;
AccountAndUser au = new AccountAndUser(info.account, info.userId);
AccountInfo account = mAccounts.get(au);
if (account == null) {
account = new AccountInfo(au);
mAccounts.put(au, account);
}
authority = account.authorities.get(info.provider);
if (authority == null) {
authority = createAuthorityLocked(info, ident, doWrite);
account.authorities.put(info.provider, authority);
}
return authority;
}
private AuthorityInfo createAuthorityLocked(EndPoint info, int ident, boolean doWrite) {
AuthorityInfo authority;
if (ident < 0) {
ident = mNextAuthorityId;
mNextAuthorityId++;
doWrite = true;
}
if (Log.isLoggable(TAG, Log.VERBOSE)) {
Slog.v(TAG, "created a new AuthorityInfo for " + info);
}
authority = new AuthorityInfo(info, ident);
mAuthorities.put(ident, authority);
if (doWrite) {
writeAccountInfoLocked();
}
return authority;
}
public void removeAuthority(EndPoint info) {
synchronized (mAuthorities) {
removeAuthorityLocked(info.account, info.userId, info.provider, true /* doWrite */);
}
}
/**
* Remove an authority associated with a provider. Needs to be a standalone function for
* backward compatibility.
*/
private void removeAuthorityLocked(Account account, int userId, String authorityName,
boolean doWrite) {
AccountInfo accountInfo = mAccounts.get(new AccountAndUser(account, userId));
if (accountInfo != null) {
final AuthorityInfo authorityInfo = accountInfo.authorities.remove(authorityName);
if (authorityInfo != null) {
if (mAuthorityRemovedListener != null) {
mAuthorityRemovedListener.onAuthorityRemoved(authorityInfo.target);
}
mAuthorities.remove(authorityInfo.ident);
if (doWrite) {
writeAccountInfoLocked();
}
}
}
}
private SyncStatusInfo getOrCreateSyncStatusLocked(int authorityId) {
SyncStatusInfo status = mSyncStatus.get(authorityId);
if (status == null) {
status = new SyncStatusInfo(authorityId);
mSyncStatus.put(authorityId, status);
}
return status;
}
public void writeAllState() {
synchronized (mAuthorities) {
// Account info is always written so no need to do it here.
writeStatusLocked();
writeStatisticsLocked();
}
}
public boolean shouldGrantSyncAdaptersAccountAccess() {
return mGrantSyncAdaptersAccountAccess;
}
/**
* public for testing
*/
public void clearAndReadState() {
synchronized (mAuthorities) {
mAuthorities.clear();
mAccounts.clear();
mServices.clear();
mSyncStatus.clear();
mSyncHistory.clear();
readAccountInfoLocked();
readStatusLocked();
readStatisticsLocked();
readAndDeleteLegacyAccountInfoLocked();
writeAccountInfoLocked();
writeStatusLocked();
writeStatisticsLocked();
}
}
/**
* Read all account information back in to the initial engine state.
*/
private void readAccountInfoLocked() {
int highestAuthorityId = -1;
FileInputStream fis = null;
try {
fis = mAccountInfoFile.openRead();
if (Log.isLoggable(TAG_FILE, Log.VERBOSE)) {
Slog.v(TAG_FILE, "Reading " + mAccountInfoFile.getBaseFile());
}
XmlPullParser parser = Xml.newPullParser();
parser.setInput(fis, StandardCharsets.UTF_8.name());
int eventType = parser.getEventType();
while (eventType != XmlPullParser.START_TAG &&
eventType != XmlPullParser.END_DOCUMENT) {
eventType = parser.next();
}
if (eventType == XmlPullParser.END_DOCUMENT) {
Slog.i(TAG, "No initial accounts");
return;
}
String tagName = parser.getName();
if ("accounts".equals(tagName)) {
String listen = parser.getAttributeValue(null, XML_ATTR_LISTEN_FOR_TICKLES);
String versionString = parser.getAttributeValue(null, "version");
int version;
try {
version = (versionString == null) ? 0 : Integer.parseInt(versionString);
} catch (NumberFormatException e) {
version = 0;
}
if (version < 3) {
mGrantSyncAdaptersAccountAccess = true;
}
String nextIdString = parser.getAttributeValue(null, XML_ATTR_NEXT_AUTHORITY_ID);
try {
int id = (nextIdString == null) ? 0 : Integer.parseInt(nextIdString);
mNextAuthorityId = Math.max(mNextAuthorityId, id);
} catch (NumberFormatException e) {
// don't care
}
String offsetString = parser.getAttributeValue(null, XML_ATTR_SYNC_RANDOM_OFFSET);
try {
mSyncRandomOffset = (offsetString == null) ? 0 : Integer.parseInt(offsetString);
} catch (NumberFormatException e) {
mSyncRandomOffset = 0;
}
if (mSyncRandomOffset == 0) {
Random random = new Random(System.currentTimeMillis());
mSyncRandomOffset = random.nextInt(86400);
}
mMasterSyncAutomatically.put(0, listen == null || Boolean.parseBoolean(listen));
eventType = parser.next();
AuthorityInfo authority = null;
PeriodicSync periodicSync = null;
AccountAuthorityValidator validator = new AccountAuthorityValidator(mContext);
do {
if (eventType == XmlPullParser.START_TAG) {
tagName = parser.getName();
if (parser.getDepth() == 2) {
if ("authority".equals(tagName)) {
authority = parseAuthority(parser, version, validator);
periodicSync = null;
if (authority != null) {
if (authority.ident > highestAuthorityId) {
highestAuthorityId = authority.ident;
}
} else {
EventLog.writeEvent(0x534e4554, "26513719", -1,
"Malformed authority");
}
} else if (XML_TAG_LISTEN_FOR_TICKLES.equals(tagName)) {
parseListenForTickles(parser);
}
} else if (parser.getDepth() == 3) {
if ("periodicSync".equals(tagName) && authority != null) {
periodicSync = parsePeriodicSync(parser, authority);
}
} else if (parser.getDepth() == 4 && periodicSync != null) {
if ("extra".equals(tagName)) {
parseExtra(parser, periodicSync.extras);
}
}
}
eventType = parser.next();
} while (eventType != XmlPullParser.END_DOCUMENT);
}
} catch (XmlPullParserException e) {
Slog.w(TAG, "Error reading accounts", e);
return;
} catch (java.io.IOException e) {
if (fis == null) Slog.i(TAG, "No initial accounts");
else Slog.w(TAG, "Error reading accounts", e);
return;
} finally {
mNextAuthorityId = Math.max(highestAuthorityId + 1, mNextAuthorityId);
if (fis != null) {
try {
fis.close();
} catch (java.io.IOException e1) {
}
}
}
maybeMigrateSettingsForRenamedAuthorities();
}
/**
* Ensure the old pending.bin is deleted, as it has been changed to pending.xml.
* pending.xml was used starting in KLP.
* @param syncDir directory where the sync files are located.
*/
private void maybeDeleteLegacyPendingInfoLocked(File syncDir) {
File file = new File(syncDir, "pending.bin");
if (!file.exists()) {
return;
} else {
file.delete();
}
}
/**
* some authority names have changed. copy over their settings and delete the old ones
* @return true if a change was made
*/
private boolean maybeMigrateSettingsForRenamedAuthorities() {
boolean writeNeeded = false;
ArrayList<AuthorityInfo> authoritiesToRemove = new ArrayList<AuthorityInfo>();
final int N = mAuthorities.size();
for (int i = 0; i < N; i++) {
AuthorityInfo authority = mAuthorities.valueAt(i);
// skip this authority if it isn't one of the renamed ones
final String newAuthorityName = sAuthorityRenames.get(authority.target.provider);
if (newAuthorityName == null) {
continue;
}
// remember this authority so we can remove it later. we can't remove it
// now without messing up this loop iteration
authoritiesToRemove.add(authority);
// this authority isn't enabled, no need to copy it to the new authority name since
// the default is "disabled"
if (!authority.enabled) {
continue;
}
// if we already have a record of this new authority then don't copy over the settings
EndPoint newInfo =
new EndPoint(authority.target.account,
newAuthorityName,
authority.target.userId);
if (getAuthorityLocked(newInfo, "cleanup") != null) {
continue;
}
AuthorityInfo newAuthority =
getOrCreateAuthorityLocked(newInfo, -1 /* ident */, false /* doWrite */);
newAuthority.enabled = true;
writeNeeded = true;
}
for (AuthorityInfo authorityInfo : authoritiesToRemove) {
removeAuthorityLocked(
authorityInfo.target.account,
authorityInfo.target.userId,
authorityInfo.target.provider,
false /* doWrite */);
writeNeeded = true;
}
return writeNeeded;
}
private void parseListenForTickles(XmlPullParser parser) {
String user = parser.getAttributeValue(null, XML_ATTR_USER);
int userId = 0;
try {
userId = Integer.parseInt(user);
} catch (NumberFormatException e) {
Slog.e(TAG, "error parsing the user for listen-for-tickles", e);
} catch (NullPointerException e) {
Slog.e(TAG, "the user in listen-for-tickles is null", e);
}
String enabled = parser.getAttributeValue(null, XML_ATTR_ENABLED);
boolean listen = enabled == null || Boolean.parseBoolean(enabled);
mMasterSyncAutomatically.put(userId, listen);
}
private AuthorityInfo parseAuthority(XmlPullParser parser, int version,
AccountAuthorityValidator validator) {
AuthorityInfo authority = null;
int id = -1;
try {
id = Integer.parseInt(parser.getAttributeValue(null, "id"));
} catch (NumberFormatException e) {
Slog.e(TAG, "error parsing the id of the authority", e);
} catch (NullPointerException e) {
Slog.e(TAG, "the id of the authority is null", e);
}
if (id >= 0) {
String authorityName = parser.getAttributeValue(null, "authority");
String enabled = parser.getAttributeValue(null, XML_ATTR_ENABLED);
String syncable = parser.getAttributeValue(null, "syncable");
String accountName = parser.getAttributeValue(null, "account");
String accountType = parser.getAttributeValue(null, "type");
String user = parser.getAttributeValue(null, XML_ATTR_USER);
String packageName = parser.getAttributeValue(null, "package");
String className = parser.getAttributeValue(null, "class");
int userId = user == null ? 0 : Integer.parseInt(user);
if (accountType == null && packageName == null) {
accountType = "com.google";
syncable = String.valueOf(AuthorityInfo.NOT_INITIALIZED);
}
authority = mAuthorities.get(id);
if (Log.isLoggable(TAG_FILE, Log.VERBOSE)) {
Slog.v(TAG_FILE, "Adding authority:"
+ " account=" + accountName
+ " accountType=" + accountType
+ " auth=" + authorityName
+ " package=" + packageName
+ " class=" + className
+ " user=" + userId
+ " enabled=" + enabled
+ " syncable=" + syncable);
}
if (authority == null) {
if (Log.isLoggable(TAG_FILE, Log.VERBOSE)) {
Slog.v(TAG_FILE, "Creating authority entry");
}
if (accountName != null && authorityName != null) {
EndPoint info = new EndPoint(
new Account(accountName, accountType),
authorityName, userId);
if (validator.isAccountValid(info.account, userId)
&& validator.isAuthorityValid(authorityName, userId)) {
authority = getOrCreateAuthorityLocked(info, id, false);
// If the version is 0 then we are upgrading from a file format that did not
// know about periodic syncs. In that case don't clear the list since we
// want the default, which is a daily periodic sync.
// Otherwise clear out this default list since we will populate it later
// with
// the periodic sync descriptions that are read from the configuration file.
if (version > 0) {
authority.periodicSyncs.clear();
}
} else {
EventLog.writeEvent(0x534e4554, "35028827", -1,
"account:" + info.account + " provider:" + authorityName + " user:"
+ userId);
}
}
}
if (authority != null) {
authority.enabled = enabled == null || Boolean.parseBoolean(enabled);
try {
authority.syncable = (syncable == null) ?
AuthorityInfo.NOT_INITIALIZED : Integer.parseInt(syncable);
} catch (NumberFormatException e) {
// On L we stored this as {"unknown", "true", "false"} so fall back to this
// format.
if ("unknown".equals(syncable)) {
authority.syncable = AuthorityInfo.NOT_INITIALIZED;
} else {
authority.syncable = Boolean.parseBoolean(syncable) ?
AuthorityInfo.SYNCABLE : AuthorityInfo.NOT_SYNCABLE;
}
}
} else {
Slog.w(TAG, "Failure adding authority: account="
+ accountName + " auth=" + authorityName
+ " enabled=" + enabled
+ " syncable=" + syncable);
}
}
return authority;
}
/**
* Parse a periodic sync from accounts.xml. Sets the bundle to be empty.
*/
private PeriodicSync parsePeriodicSync(XmlPullParser parser, AuthorityInfo authorityInfo) {
Bundle extras = new Bundle(); // Gets filled in later.
String periodValue = parser.getAttributeValue(null, "period");
String flexValue = parser.getAttributeValue(null, "flex");
final long period;
long flextime;
try {
period = Long.parseLong(periodValue);
} catch (NumberFormatException e) {
Slog.e(TAG, "error parsing the period of a periodic sync", e);
return null;
} catch (NullPointerException e) {
Slog.e(TAG, "the period of a periodic sync is null", e);
return null;
}
try {
flextime = Long.parseLong(flexValue);
} catch (NumberFormatException e) {
flextime = calculateDefaultFlexTime(period);
Slog.e(TAG, "Error formatting value parsed for periodic sync flex: " + flexValue
+ ", using default: "
+ flextime);
} catch (NullPointerException expected) {
flextime = calculateDefaultFlexTime(period);
Slog.d(TAG, "No flex time specified for this sync, using a default. period: "
+ period + " flex: " + flextime);
}
PeriodicSync periodicSync;
periodicSync =
new PeriodicSync(authorityInfo.target.account,
authorityInfo.target.provider,
extras,
period, flextime);
authorityInfo.periodicSyncs.add(periodicSync);
return periodicSync;
}
private void parseExtra(XmlPullParser parser, Bundle extras) {
String name = parser.getAttributeValue(null, "name");
String type = parser.getAttributeValue(null, "type");
String value1 = parser.getAttributeValue(null, "value1");
String value2 = parser.getAttributeValue(null, "value2");
try {
if ("long".equals(type)) {
extras.putLong(name, Long.parseLong(value1));
} else if ("integer".equals(type)) {
extras.putInt(name, Integer.parseInt(value1));
} else if ("double".equals(type)) {
extras.putDouble(name, Double.parseDouble(value1));
} else if ("float".equals(type)) {
extras.putFloat(name, Float.parseFloat(value1));
} else if ("boolean".equals(type)) {
extras.putBoolean(name, Boolean.parseBoolean(value1));
} else if ("string".equals(type)) {
extras.putString(name, value1);
} else if ("account".equals(type)) {
extras.putParcelable(name, new Account(value1, value2));
}
} catch (NumberFormatException e) {
Slog.e(TAG, "error parsing bundle value", e);
} catch (NullPointerException e) {
Slog.e(TAG, "error parsing bundle value", e);
}
}
/**
* Write all account information to the account file.
*/
private void writeAccountInfoLocked() {
if (Log.isLoggable(TAG_FILE, Log.VERBOSE)) {
Slog.v(TAG_FILE, "Writing new " + mAccountInfoFile.getBaseFile());
}
FileOutputStream fos = null;
try {
fos = mAccountInfoFile.startWrite();
XmlSerializer out = new FastXmlSerializer();
out.setOutput(fos, StandardCharsets.UTF_8.name());
out.startDocument(null, true);
out.setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true);
out.startTag(null, "accounts");
out.attribute(null, "version", Integer.toString(ACCOUNTS_VERSION));
out.attribute(null, XML_ATTR_NEXT_AUTHORITY_ID, Integer.toString(mNextAuthorityId));
out.attribute(null, XML_ATTR_SYNC_RANDOM_OFFSET, Integer.toString(mSyncRandomOffset));
// Write the Sync Automatically flags for each user
final int M = mMasterSyncAutomatically.size();
for (int m = 0; m < M; m++) {
int userId = mMasterSyncAutomatically.keyAt(m);
Boolean listen = mMasterSyncAutomatically.valueAt(m);
out.startTag(null, XML_TAG_LISTEN_FOR_TICKLES);
out.attribute(null, XML_ATTR_USER, Integer.toString(userId));
out.attribute(null, XML_ATTR_ENABLED, Boolean.toString(listen));
out.endTag(null, XML_TAG_LISTEN_FOR_TICKLES);
}
final int N = mAuthorities.size();
for (int i = 0; i < N; i++) {
AuthorityInfo authority = mAuthorities.valueAt(i);
EndPoint info = authority.target;
out.startTag(null, "authority");
out.attribute(null, "id", Integer.toString(authority.ident));
out.attribute(null, XML_ATTR_USER, Integer.toString(info.userId));
out.attribute(null, XML_ATTR_ENABLED, Boolean.toString(authority.enabled));
out.attribute(null, "account", info.account.name);
out.attribute(null, "type", info.account.type);
out.attribute(null, "authority", info.provider);
out.attribute(null, "syncable", Integer.toString(authority.syncable));
out.endTag(null, "authority");
}
out.endTag(null, "accounts");
out.endDocument();
mAccountInfoFile.finishWrite(fos);
} catch (java.io.IOException e1) {
Slog.w(TAG, "Error writing accounts", e1);
if (fos != null) {
mAccountInfoFile.failWrite(fos);
}
}
}
static int getIntColumn(Cursor c, String name) {
return c.getInt(c.getColumnIndex(name));
}
static long getLongColumn(Cursor c, String name) {
return c.getLong(c.getColumnIndex(name));
}
/**
* TODO Remove it. It's super old code that was used to migrate the information from a sqlite
* database that we used a long time ago, and is no longer relevant.
*/
private void readAndDeleteLegacyAccountInfoLocked() {
// Look for old database to initialize from.
File file = mContext.getDatabasePath("syncmanager.db");
if (!file.exists()) {
return;
}
String path = file.getPath();
SQLiteDatabase db = null;
try {
db = SQLiteDatabase.openDatabase(path, null,
SQLiteDatabase.OPEN_READONLY);
} catch (SQLiteException e) {
}
if (db != null) {
final boolean hasType = db.getVersion() >= 11;
// Copy in all of the status information, as well as accounts.
if (Log.isLoggable(TAG_FILE, Log.VERBOSE)) {
Slog.v(TAG_FILE, "Reading legacy sync accounts db");
}
SQLiteQueryBuilder qb = new SQLiteQueryBuilder();
qb.setTables("stats, status");
HashMap<String,String> map = new HashMap<String,String>();
map.put("_id", "status._id as _id");
map.put("account", "stats.account as account");
if (hasType) {
map.put("account_type", "stats.account_type as account_type");
}
map.put("authority", "stats.authority as authority");
map.put("totalElapsedTime", "totalElapsedTime");
map.put("numSyncs", "numSyncs");
map.put("numSourceLocal", "numSourceLocal");
map.put("numSourcePoll", "numSourcePoll");
map.put("numSourceServer", "numSourceServer");
map.put("numSourceUser", "numSourceUser");
map.put("lastSuccessSource", "lastSuccessSource");
map.put("lastSuccessTime", "lastSuccessTime");
map.put("lastFailureSource", "lastFailureSource");
map.put("lastFailureTime", "lastFailureTime");
map.put("lastFailureMesg", "lastFailureMesg");
map.put("pending", "pending");
qb.setProjectionMap(map);
qb.appendWhere("stats._id = status.stats_id");
Cursor c = qb.query(db, null, null, null, null, null, null);
while (c.moveToNext()) {
String accountName = c.getString(c.getColumnIndex("account"));
String accountType = hasType
? c.getString(c.getColumnIndex("account_type")) : null;
if (accountType == null) {
accountType = "com.google";
}
String authorityName = c.getString(c.getColumnIndex("authority"));
AuthorityInfo authority =
this.getOrCreateAuthorityLocked(
new EndPoint(new Account(accountName, accountType),
authorityName,
0 /* legacy is single-user */)
, -1,
false);
if (authority != null) {
int i = mSyncStatus.size();
boolean found = false;
SyncStatusInfo st = null;
while (i > 0) {
i--;
st = mSyncStatus.valueAt(i);
if (st.authorityId == authority.ident) {
found = true;
break;
}
}
if (!found) {
st = new SyncStatusInfo(authority.ident);
mSyncStatus.put(authority.ident, st);
}
st.totalStats.totalElapsedTime = getLongColumn(c, "totalElapsedTime");
st.totalStats.numSyncs = getIntColumn(c, "numSyncs");
st.totalStats.numSourceLocal = getIntColumn(c, "numSourceLocal");
st.totalStats.numSourcePoll = getIntColumn(c, "numSourcePoll");
st.totalStats.numSourceOther = getIntColumn(c, "numSourceServer");
st.totalStats.numSourceUser = getIntColumn(c, "numSourceUser");
st.totalStats.numSourcePeriodic = 0;
st.lastSuccessSource = getIntColumn(c, "lastSuccessSource");
st.lastSuccessTime = getLongColumn(c, "lastSuccessTime");
st.lastFailureSource = getIntColumn(c, "lastFailureSource");
st.lastFailureTime = getLongColumn(c, "lastFailureTime");
st.lastFailureMesg = c.getString(c.getColumnIndex("lastFailureMesg"));
st.pending = getIntColumn(c, "pending") != 0;
}
}
c.close();
// Retrieve the settings.
qb = new SQLiteQueryBuilder();
qb.setTables("settings");
c = qb.query(db, null, null, null, null, null, null);
while (c.moveToNext()) {
String name = c.getString(c.getColumnIndex("name"));
String value = c.getString(c.getColumnIndex("value"));
if (name == null) continue;
if (name.equals("listen_for_tickles")) {
setMasterSyncAutomatically(value == null || Boolean.parseBoolean(value), 0,
ContentResolver.SYNC_EXEMPTION_NONE, SyncLogger.CALLING_UID_SELF);
} else if (name.startsWith("sync_provider_")) {
String provider = name.substring("sync_provider_".length(),
name.length());
int i = mAuthorities.size();
while (i > 0) {
i--;
AuthorityInfo authority = mAuthorities.valueAt(i);
if (authority.target.provider.equals(provider)) {
authority.enabled = value == null || Boolean.parseBoolean(value);
authority.syncable = 1;
}
}
}
}
c.close();
db.close();
(new File(path)).delete();
}
}
public static final int STATUS_FILE_END = 0;
public static final int STATUS_FILE_ITEM = 100;
/**
* Read all sync status back in to the initial engine state.
*/
private void readStatusLocked() {
if (Log.isLoggable(TAG_FILE, Log.VERBOSE)) {
Slog.v(TAG_FILE, "Reading " + mStatusFile.getBaseFile());
}
try {
byte[] data = mStatusFile.readFully();
Parcel in = Parcel.obtain();
in.unmarshall(data, 0, data.length);
in.setDataPosition(0);
int token;
while ((token=in.readInt()) != STATUS_FILE_END) {
if (token == STATUS_FILE_ITEM) {
SyncStatusInfo status = new SyncStatusInfo(in);
if (mAuthorities.indexOfKey(status.authorityId) >= 0) {
status.pending = false;
if (Log.isLoggable(TAG_FILE, Log.VERBOSE)) {
Slog.v(TAG_FILE, "Adding status for id " + status.authorityId);
}
mSyncStatus.put(status.authorityId, status);
}
} else {
// Ooops.
Slog.w(TAG, "Unknown status token: " + token);
break;
}
}
} catch (java.io.IOException e) {
Slog.i(TAG, "No initial status");
}
}
/**
* Write all sync status to the sync status file.
*/
private void writeStatusLocked() {
if (Log.isLoggable(TAG_FILE, Log.VERBOSE)) {
Slog.v(TAG_FILE, "Writing new " + mStatusFile.getBaseFile());
}
// The file is being written, so we don't need to have a scheduled
// write until the next change.
mHandler.removeMessages(MSG_WRITE_STATUS);
FileOutputStream fos = null;
try {
fos = mStatusFile.startWrite();
Parcel out = Parcel.obtain();
final int N = mSyncStatus.size();
for (int i=0; i<N; i++) {
SyncStatusInfo status = mSyncStatus.valueAt(i);
out.writeInt(STATUS_FILE_ITEM);
status.writeToParcel(out, 0);
}
out.writeInt(STATUS_FILE_END);
fos.write(out.marshall());
out.recycle();
mStatusFile.finishWrite(fos);
} catch (java.io.IOException e1) {
Slog.w(TAG, "Error writing status", e1);
if (fos != null) {
mStatusFile.failWrite(fos);
}
}
}
private void requestSync(AuthorityInfo authorityInfo, int reason, Bundle extras,
@SyncExemption int syncExemptionFlag) {
if (android.os.Process.myUid() == android.os.Process.SYSTEM_UID
&& mSyncRequestListener != null) {
mSyncRequestListener.onSyncRequest(authorityInfo.target, reason, extras,
syncExemptionFlag);
} else {
SyncRequest.Builder req =
new SyncRequest.Builder()
.syncOnce()
.setExtras(extras);
req.setSyncAdapter(authorityInfo.target.account, authorityInfo.target.provider);
ContentResolver.requestSync(req.build());
}
}
private void requestSync(Account account, int userId, int reason, String authority,
Bundle extras, @SyncExemption int syncExemptionFlag) {
// If this is happening in the system process, then call the syncrequest listener
// to make a request back to the SyncManager directly.
// If this is probably a test instance, then call back through the ContentResolver
// which will know which userId to apply based on the Binder id.
if (android.os.Process.myUid() == android.os.Process.SYSTEM_UID
&& mSyncRequestListener != null) {
mSyncRequestListener.onSyncRequest(
new EndPoint(account, authority, userId),
reason, extras, syncExemptionFlag);
} else {
ContentResolver.requestSync(account, authority, extras);
}
}
public static final int STATISTICS_FILE_END = 0;
public static final int STATISTICS_FILE_ITEM_OLD = 100;
public static final int STATISTICS_FILE_ITEM = 101;
/**
* Read all sync statistics back in to the initial engine state.
*/
private void readStatisticsLocked() {
try {
byte[] data = mStatisticsFile.readFully();
Parcel in = Parcel.obtain();
in.unmarshall(data, 0, data.length);
in.setDataPosition(0);
int token;
int index = 0;
while ((token=in.readInt()) != STATISTICS_FILE_END) {
if (token == STATISTICS_FILE_ITEM
|| token == STATISTICS_FILE_ITEM_OLD) {
int day = in.readInt();
if (token == STATISTICS_FILE_ITEM_OLD) {
day = day - 2009 + 14245; // Magic!
}
DayStats ds = new DayStats(day);
ds.successCount = in.readInt();
ds.successTime = in.readLong();
ds.failureCount = in.readInt();
ds.failureTime = in.readLong();
if (index < mDayStats.length) {
mDayStats[index] = ds;
index++;
}
} else {
// Ooops.
Slog.w(TAG, "Unknown stats token: " + token);
break;
}
}
} catch (java.io.IOException e) {
Slog.i(TAG, "No initial statistics");
}
}
/**
* Write all sync statistics to the sync status file.
*/
private void writeStatisticsLocked() {
if (Log.isLoggable(TAG_FILE, Log.VERBOSE)) {
Slog.v(TAG, "Writing new " + mStatisticsFile.getBaseFile());
}
// The file is being written, so we don't need to have a scheduled
// write until the next change.
mHandler.removeMessages(MSG_WRITE_STATISTICS);
FileOutputStream fos = null;
try {
fos = mStatisticsFile.startWrite();
Parcel out = Parcel.obtain();
final int N = mDayStats.length;
for (int i=0; i<N; i++) {
DayStats ds = mDayStats[i];
if (ds == null) {
break;
}
out.writeInt(STATISTICS_FILE_ITEM);
out.writeInt(ds.day);
out.writeInt(ds.successCount);
out.writeLong(ds.successTime);
out.writeInt(ds.failureCount);
out.writeLong(ds.failureTime);
}
out.writeInt(STATISTICS_FILE_END);
fos.write(out.marshall());
out.recycle();
mStatisticsFile.finishWrite(fos);
} catch (java.io.IOException e1) {
Slog.w(TAG, "Error writing stats", e1);
if (fos != null) {
mStatisticsFile.failWrite(fos);
}
}
}
/**
* Let the BackupManager know that account sync settings have changed. This will trigger
* {@link com.android.server.backup.SystemBackupAgent} to run.
*/
public void queueBackup() {
BackupManager.dataChanged("android");
}
public void setClockValid() {
if (!mIsClockValid) {
mIsClockValid = true;
Slog.w(TAG, "Clock is valid now.");
}
}
public boolean isClockValid() {
return mIsClockValid;
}
public void resetTodayStats(boolean force) {
if (force) {
Log.w(TAG, "Force resetting today stats.");
}
synchronized (mAuthorities) {
final int N = mSyncStatus.size();
for (int i = 0; i < N; i++) {
SyncStatusInfo cur = mSyncStatus.valueAt(i);
cur.maybeResetTodayStats(isClockValid(), force);
}
writeStatusLocked();
}
}
}