Java tutorial
/* * Copyright (C) 2008-2009 Marc Blank * Licensed to 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.mwebster.exchange; import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.File; import java.io.FileReader; import java.io.FileWriter; import java.io.IOException; import java.security.KeyStore; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import org.apache.http.conn.ClientConnectionManager; import org.apache.http.conn.params.ConnManagerPNames; import org.apache.http.conn.params.ConnPerRoute; import org.apache.http.conn.routing.HttpRoute; import org.apache.http.conn.scheme.PlainSocketFactory; import org.apache.http.conn.scheme.Scheme; import org.apache.http.conn.scheme.SchemeRegistry; import org.apache.http.impl.conn.SingleClientConnManager; import org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager; import org.apache.http.params.BasicHttpParams; import org.apache.http.params.HttpParams; import android.accounts.AccountManager; import android.accounts.AccountManagerFuture; import android.accounts.AuthenticatorException; import android.accounts.OnAccountsUpdateListener; import android.accounts.OperationCanceledException; import android.app.AlarmManager; import android.app.PendingIntent; import android.app.Service; import android.content.BroadcastReceiver; import android.content.ContentResolver; import android.content.ContentUris; import android.content.ContentValues; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.content.SyncStatusObserver; import android.database.ContentObserver; import android.database.Cursor; import android.net.ConnectivityManager; import android.net.NetworkInfo; import android.net.Uri; import android.net.NetworkInfo.State; import android.os.Bundle; import android.os.Debug; import android.os.Handler; import android.os.IBinder; import android.os.PowerManager; import android.os.RemoteCallbackList; import android.os.RemoteException; import android.os.PowerManager.WakeLock; import android.provider.Calendar; import android.provider.ContactsContract; import android.provider.Calendar.Calendars; import android.provider.Calendar.Events; import android.util.Log; import com.mwebster.iemail.AccountBackupRestore; import com.mwebster.iemail.Email; import com.mwebster.iemail.SecurityPolicy; import com.mwebster.iemail.Utility; import com.mwebster.iemail.mail.MessagingException; import com.mwebster.iemail.mail.transport.SSLUtils; import com.mwebster.iemail.provider.EmailContent; import com.mwebster.iemail.provider.EmailContent.Account; import com.mwebster.iemail.provider.EmailContent.Attachment; import com.mwebster.iemail.provider.EmailContent.HostAuth; import com.mwebster.iemail.provider.EmailContent.HostAuthColumns; import com.mwebster.iemail.provider.EmailContent.Mailbox; import com.mwebster.iemail.provider.EmailContent.MailboxColumns; import com.mwebster.iemail.provider.EmailContent.Message; import com.mwebster.iemail.provider.EmailContent.SyncColumns; import com.mwebster.iemail.service.EmailServiceStatus; import com.mwebster.iemail.service.IEmailService; import com.mwebster.iemail.service.IEmailServiceCallback; import com.mwebster.exchange.adapter.CalendarSyncAdapter; import com.mwebster.exchange.utility.FileLogger; /** * The SyncManager handles all aspects of starting, maintaining, and stopping the various sync * adapters used by Exchange. However, it is capable of handing any kind of email sync, and it * would be appropriate to use for IMAP push, when that functionality is added to the Email * application. * * The Email application communicates with EAS sync adapters via SyncManager's binder interface, * which exposes UI-related functionality to the application (see the definitions below) * * SyncManager uses ContentObservers to detect changes to accounts, mailboxes, and messages in * order to maintain proper 2-way syncing of data. (More documentation to follow) * */ public class SyncManager extends Service implements Runnable { private static final String TAG = "EAS SyncManager"; // The SyncManager's mailbox "id" private static final int SYNC_MANAGER_ID = -1; private static final int SECONDS = 1000; private static final int MINUTES = 60 * SECONDS; private static final int ONE_DAY_MINUTES = 1440; private static final int SYNC_MANAGER_HEARTBEAT_TIME = 15 * MINUTES; private static final int CONNECTIVITY_WAIT_TIME = 10 * MINUTES; // Sync hold constants for services with transient errors private static final int HOLD_DELAY_MAXIMUM = 4 * MINUTES; // Reason codes when SyncManager.kick is called (mainly for debugging) // UI has changed data, requiring an upsync of changes public static final int SYNC_UPSYNC = 0; // A scheduled sync (when not using push) public static final int SYNC_SCHEDULED = 1; // Mailbox was marked push public static final int SYNC_PUSH = 2; // A ping (EAS push signal) was received public static final int SYNC_PING = 3; // startSync was requested of SyncManager public static final int SYNC_SERVICE_START_SYNC = 4; // A part request (attachment load, for now) was sent to SyncManager public static final int SYNC_SERVICE_PART_REQUEST = 5; // Misc. public static final int SYNC_KICK = 6; private static final String WHERE_PUSH_OR_PING_NOT_ACCOUNT_MAILBOX = MailboxColumns.ACCOUNT_KEY + "=? and " + MailboxColumns.TYPE + "!=" + Mailbox.TYPE_EAS_ACCOUNT_MAILBOX + " and " + MailboxColumns.SYNC_INTERVAL + " IN (" + Mailbox.CHECK_INTERVAL_PING + ',' + Mailbox.CHECK_INTERVAL_PUSH + ')'; protected static final String WHERE_IN_ACCOUNT_AND_PUSHABLE = MailboxColumns.ACCOUNT_KEY + "=? and type in (" + Mailbox.TYPE_INBOX + ',' + Mailbox.TYPE_EAS_ACCOUNT_MAILBOX + ',' + Mailbox.TYPE_CONTACTS + ',' + Mailbox.TYPE_CALENDAR + ')'; private static final String WHERE_MAILBOX_KEY = Message.MAILBOX_KEY + "=?"; private static final String WHERE_PROTOCOL_EAS = HostAuthColumns.PROTOCOL + "=\"" + AbstractSyncService.EAS_PROTOCOL + "\""; private static final String WHERE_NOT_INTERVAL_NEVER_AND_ACCOUNT_KEY_IN = "(" + MailboxColumns.TYPE + '=' + Mailbox.TYPE_OUTBOX + " or " + MailboxColumns.SYNC_INTERVAL + "!=" + Mailbox.CHECK_INTERVAL_NEVER + ')' + " and " + MailboxColumns.ACCOUNT_KEY + " in ("; private static final String ACCOUNT_KEY_IN = MailboxColumns.ACCOUNT_KEY + " in ("; private static final String WHERE_CALENDAR_ID = Events.CALENDAR_ID + "=?"; // Offsets into the syncStatus data for EAS that indicate type, exit status, and change count // The format is S<type_char>:<exit_char>:<change_count> public static final int STATUS_TYPE_CHAR = 1; public static final int STATUS_EXIT_CHAR = 3; public static final int STATUS_CHANGE_COUNT_OFFSET = 5; // Ready for ping public static final int PING_STATUS_OK = 0; // Service already running (can't ping) public static final int PING_STATUS_RUNNING = 1; // Service waiting after I/O error (can't ping) public static final int PING_STATUS_WAITING = 2; // Service had a fatal error; can't run public static final int PING_STATUS_UNABLE = 3; private static final int MAX_CLIENT_CONNECTION_MANAGER_SHUTDOWNS = 1; // We synchronize on this for all actions affecting the service and error maps private static final Object sSyncLock = new Object(); // All threads can use this lock to wait for connectivity public static final Object sConnectivityLock = new Object(); public static boolean sConnectivityHold = false; // Keep our cached list of active Accounts here public static final AccountList sAccountList = new AccountList(); // Keeps track of running services (by mailbox id) private HashMap<Long, AbstractSyncService> mServiceMap = new HashMap<Long, AbstractSyncService>(); // Keeps track of services whose last sync ended with an error (by mailbox id) /*package*/ HashMap<Long, SyncError> mSyncErrorMap = new HashMap<Long, SyncError>(); // Keeps track of which services require a wake lock (by mailbox id) private HashMap<Long, Boolean> mWakeLocks = new HashMap<Long, Boolean>(); // Keeps track of PendingIntents for mailbox alarms (by mailbox id) private HashMap<Long, PendingIntent> mPendingIntents = new HashMap<Long, PendingIntent>(); // The actual WakeLock obtained by SyncManager private WakeLock mWakeLock = null; // Observers that we use to look for changed mail-related data private Handler mHandler = new Handler(); private AccountObserver mAccountObserver; private MailboxObserver mMailboxObserver; private SyncedMessageObserver mSyncedMessageObserver; private MessageObserver mMessageObserver; private EasSyncStatusObserver mSyncStatusObserver; private EasAccountsUpdatedListener mAccountsUpdatedListener; private HashMap<Long, CalendarObserver> mCalendarObservers = new HashMap<Long, CalendarObserver>(); private ContentResolver mResolver; // The singleton SyncManager object, with its thread and stop flag protected static SyncManager INSTANCE; private static Thread sServiceThread = null; // Cached unique device id private static String sDeviceId = null; // Count of ClientConnectionManager shutdowns private static volatile int sClientConnectionManagerShutdownCount = 0; private boolean mStop = false; // The reason for SyncManager's next wakeup call private String mNextWaitReason; // Whether we have an unsatisfied "kick" pending private boolean mKicked = false; // Receiver of connectivity broadcasts private ConnectivityReceiver mConnectivityReceiver = null; private ConnectivityReceiver mBackgroundDataSettingReceiver = null; private volatile boolean mBackgroundData = true; // The callback sent in from the UI using setCallback private IEmailServiceCallback mCallback; private RemoteCallbackList<IEmailServiceCallback> mCallbackList = new RemoteCallbackList<IEmailServiceCallback>(); private static Map<String, ClientConnectionManager> clientConnectionManagerMap = new HashMap<String, ClientConnectionManager>(); private static KeyStore validationKeyStore; /** * Proxy that can be used by various sync adapters to tie into SyncManager's callback system. * Used this way: SyncManager.callback().callbackMethod(args...); * The proxy wraps checking for existence of a SyncManager instance and an active callback. * Failures of these callbacks can be safely ignored. */ static private final IEmailServiceCallback.Stub sCallbackProxy = new IEmailServiceCallback.Stub() { public void loadAttachmentStatus(long messageId, long attachmentId, int statusCode, int progress) throws RemoteException { IEmailServiceCallback cb = INSTANCE == null ? null : INSTANCE.mCallback; if (cb != null) { cb.loadAttachmentStatus(messageId, attachmentId, statusCode, progress); } } public void sendMessageStatus(long messageId, String subject, int statusCode, int progress) throws RemoteException { IEmailServiceCallback cb = INSTANCE == null ? null : INSTANCE.mCallback; if (cb != null) { cb.sendMessageStatus(messageId, subject, statusCode, progress); } } public void syncMailboxListStatus(long accountId, int statusCode, int progress) throws RemoteException { IEmailServiceCallback cb = INSTANCE == null ? null : INSTANCE.mCallback; if (cb != null) { cb.syncMailboxListStatus(accountId, statusCode, progress); } } public void syncMailboxStatus(long mailboxId, int statusCode, int progress) throws RemoteException { IEmailServiceCallback cb = INSTANCE == null ? null : INSTANCE.mCallback; if (cb != null) { cb.syncMailboxStatus(mailboxId, statusCode, progress); } } }; /** * Create our EmailService implementation here. */ private final IEmailService.Stub mBinder = new IEmailService.Stub() { public int validate(String protocol, String host, String userName, String password, int port, boolean ssl, boolean trustCertificates) throws RemoteException { try { AbstractSyncService.validate(EasSyncService.class, host, userName, password, port, ssl, trustCertificates, SyncManager.this); //Validation keystore is for one-time use setValidationKeyStore(null); return MessagingException.NO_ERROR; } catch (MessagingException e) { return e.getExceptionType(); } } public Bundle autoDiscover(String userName, String password) throws RemoteException { return new EasSyncService().tryAutodiscover(userName, password); } public void startSync(long mailboxId) throws RemoteException { SyncManager syncManager = INSTANCE; if (syncManager == null) return; checkSyncManagerServiceRunning(); Mailbox m = Mailbox.restoreMailboxWithId(syncManager, mailboxId); if (m == null) return; if (m.mType == Mailbox.TYPE_OUTBOX) { // We're using SERVER_ID to indicate an error condition (it has no other use for // sent mail) Upon request to sync the Outbox, we clear this so that all messages // are candidates for sending. ContentValues cv = new ContentValues(); cv.put(SyncColumns.SERVER_ID, 0); syncManager.getContentResolver().update(Message.CONTENT_URI, cv, WHERE_MAILBOX_KEY, new String[] { Long.toString(mailboxId) }); // Clear the error state; the Outbox sync will be started from checkMailboxes syncManager.mSyncErrorMap.remove(mailboxId); kick("start outbox"); // Outbox can't be synced in EAS return; } else if (m.mType == Mailbox.TYPE_DRAFTS || m.mType == Mailbox.TYPE_TRASH) { // Drafts & Trash can't be synced in EAS return; } startManualSync(mailboxId, SyncManager.SYNC_SERVICE_START_SYNC, null); } public void stopSync(long mailboxId) throws RemoteException { stopManualSync(mailboxId); } public void loadAttachment(long attachmentId, String destinationFile, String contentUriString) throws RemoteException { Attachment att = Attachment.restoreAttachmentWithId(SyncManager.this, attachmentId); sendMessageRequest(new PartRequest(att, destinationFile, contentUriString)); } public void updateFolderList(long accountId) throws RemoteException { reloadFolderList(SyncManager.this, accountId, false); } public void hostChanged(long accountId) throws RemoteException { SyncManager syncManager = INSTANCE; if (syncManager == null) return; synchronized (sSyncLock) { HashMap<Long, SyncError> syncErrorMap = syncManager.mSyncErrorMap; ArrayList<Long> deletedMailboxes = new ArrayList<Long>(); // Go through the various error mailboxes for (long mailboxId : syncErrorMap.keySet()) { SyncError error = syncErrorMap.get(mailboxId); // If it's a login failure, look a little harder Mailbox m = Mailbox.restoreMailboxWithId(syncManager, mailboxId); // If it's for the account whose host has changed, clear the error // If the mailbox is no longer around, remove the entry in the map if (m == null) { deletedMailboxes.add(mailboxId); } else if (m.mAccountKey == accountId) { error.fatal = false; error.holdEndTime = 0; } } for (long mailboxId : deletedMailboxes) { syncErrorMap.remove(mailboxId); } } // Stop any running syncs syncManager.stopAccountSyncs(accountId, true); // Kick SyncManager kick("host changed"); } public void setLogging(int on) throws RemoteException { Eas.setUserDebug(on); } public void sendMeetingResponse(long messageId, int response) throws RemoteException { sendMessageRequest(new MeetingResponseRequest(messageId, response)); } public void loadMore(long messageId) throws RemoteException { } // The following three methods are not implemented in this version public boolean createFolder(long accountId, String name) throws RemoteException { return false; } public boolean deleteFolder(long accountId, String name) throws RemoteException { return false; } public boolean renameFolder(long accountId, String oldName, String newName) throws RemoteException { return false; } public void setCallback(IEmailServiceCallback cb) throws RemoteException { if (mCallback != null) { mCallbackList.unregister(mCallback); } mCallback = cb; mCallbackList.register(cb); } }; static class AccountList extends ArrayList<Account> { private static final long serialVersionUID = 1L; public boolean contains(long id) { for (Account account : this) { if (account.mId == id) { return true; } } return false; } public Account getById(long id) { for (Account account : this) { if (account.mId == id) { return account; } } return null; } } class AccountObserver extends ContentObserver { String mSyncableEasMailboxSelector = null; String mEasAccountSelector = null; public AccountObserver(Handler handler) { super(handler); // At startup, we want to see what EAS accounts exist and cache them Context context = getContext(); synchronized (sAccountList) { Cursor c = getContentResolver().query(Account.CONTENT_URI, Account.CONTENT_PROJECTION, null, null, null); // Build the account list from the cursor try { collectEasAccounts(c, sAccountList); } finally { c.close(); } // Create an account mailbox for any account without one for (Account account : sAccountList) { int cnt = Mailbox.count(context, Mailbox.CONTENT_URI, "accountKey=" + account.mId, null); if (cnt == 0) { addAccountMailbox(account.mId); } } } } /** * Returns a String suitable for appending to a where clause that selects for all syncable * mailboxes in all eas accounts * @return a complex selection string that is not to be cached */ public String getSyncableEasMailboxWhere() { if (mSyncableEasMailboxSelector == null) { StringBuilder sb = new StringBuilder(WHERE_NOT_INTERVAL_NEVER_AND_ACCOUNT_KEY_IN); boolean first = true; synchronized (sAccountList) { for (Account account : sAccountList) { if (!first) { sb.append(','); } else { first = false; } sb.append(account.mId); } } sb.append(')'); mSyncableEasMailboxSelector = sb.toString(); } return mSyncableEasMailboxSelector; } /** * Returns a String suitable for appending to a where clause that selects for all eas * accounts. * @return a String in the form "accountKey in (a, b, c...)" that is not to be cached */ public String getAccountKeyWhere() { if (mEasAccountSelector == null) { StringBuilder sb = new StringBuilder(ACCOUNT_KEY_IN); boolean first = true; synchronized (sAccountList) { for (Account account : sAccountList) { if (!first) { sb.append(','); } else { first = false; } sb.append(account.mId); } } sb.append(')'); mEasAccountSelector = sb.toString(); } return mEasAccountSelector; } private boolean onSecurityHold(Account account) { return (account.mFlags & Account.FLAGS_SECURITY_HOLD) != 0; } private void onAccountChanged() { maybeStartSyncManagerThread(); Context context = getContext(); // A change to the list requires us to scan for deletions (stop running syncs) // At startup, we want to see what accounts exist and cache them AccountList currentAccounts = new AccountList(); Cursor c = getContentResolver().query(Account.CONTENT_URI, Account.CONTENT_PROJECTION, null, null, null); try { collectEasAccounts(c, currentAccounts); synchronized (sAccountList) { for (Account account : sAccountList) { // Ignore accounts not fully created if ((account.mFlags & Account.FLAGS_INCOMPLETE) != 0) { log("Account observer noticed incomplete account; ignoring"); continue; } else if (!currentAccounts.contains(account.mId)) { // This is a deletion; shut down any account-related syncs stopAccountSyncs(account.mId, true); // Delete this from AccountManager... android.accounts.Account acct = new android.accounts.Account(account.mEmailAddress, Email.EXCHANGE_ACCOUNT_MANAGER_TYPE); AccountManager.get(SyncManager.this).removeAccount(acct, null, null); mSyncableEasMailboxSelector = null; mEasAccountSelector = null; } else { // An account has changed Account updatedAccount = Account.restoreAccountWithId(context, account.mId); if (updatedAccount == null) continue; if (account.mSyncInterval != updatedAccount.mSyncInterval || account.mSyncLookback != updatedAccount.mSyncLookback) { // Set pushable boxes' interval to the interval of the Account ContentValues cv = new ContentValues(); cv.put(MailboxColumns.SYNC_INTERVAL, updatedAccount.mSyncInterval); getContentResolver().update(Mailbox.CONTENT_URI, cv, WHERE_IN_ACCOUNT_AND_PUSHABLE, new String[] { Long.toString(account.mId) }); // Stop all current syncs; the appropriate ones will restart log("Account " + account.mDisplayName + " changed; stop syncs"); stopAccountSyncs(account.mId, true); } // See if this account is no longer on security hold if (onSecurityHold(account) && !onSecurityHold(updatedAccount)) { releaseSyncHolds(SyncManager.this, AbstractSyncService.EXIT_SECURITY_FAILURE, account); } // Put current values into our cached account account.mSyncInterval = updatedAccount.mSyncInterval; account.mSyncLookback = updatedAccount.mSyncLookback; account.mFlags = updatedAccount.mFlags; } } // Look for new accounts for (Account account : currentAccounts) { if (!sAccountList.contains(account.mId)) { // Don't forget to cache the HostAuth HostAuth ha = HostAuth.restoreHostAuthWithId(getContext(), account.mHostAuthKeyRecv); if (ha == null) continue; account.mHostAuthRecv = ha; // This is an addition; create our magic hidden mailbox... log("Account observer found new account: " + account.mDisplayName); addAccountMailbox(account.mId); sAccountList.add(account); mSyncableEasMailboxSelector = null; mEasAccountSelector = null; } } // Finally, make sure our account list is up to date sAccountList.clear(); sAccountList.addAll(currentAccounts); } } finally { c.close(); } // See if there's anything to do... kick("account changed"); } @Override public void onChange(boolean selfChange) { new Thread(new Runnable() { public void run() { onAccountChanged(); } }).start(); } private void collectEasAccounts(Cursor c, ArrayList<Account> accounts) { Context context = getContext(); if (context == null) return; while (c.moveToNext()) { long hostAuthId = c.getLong(Account.CONTENT_HOST_AUTH_KEY_RECV_COLUMN); if (hostAuthId > 0) { HostAuth ha = HostAuth.restoreHostAuthWithId(context, hostAuthId); if (ha != null && ha.mProtocol.equals("eas")) { Account account = new Account().restore(c); // Cache the HostAuth account.mHostAuthRecv = ha; accounts.add(account); } } } } private void addAccountMailbox(long acctId) { Account acct = Account.restoreAccountWithId(getContext(), acctId); Mailbox main = new Mailbox(); main.mDisplayName = Eas.ACCOUNT_MAILBOX_PREFIX; main.mServerId = Eas.ACCOUNT_MAILBOX_PREFIX + System.nanoTime(); main.mAccountKey = acct.mId; main.mType = Mailbox.TYPE_EAS_ACCOUNT_MAILBOX; main.mSyncInterval = Mailbox.CHECK_INTERVAL_PUSH; main.mFlagVisible = false; main.save(getContext()); log("Initializing account: " + acct.mDisplayName); } } /** * Register a specific Calendar's data observer; we need to recognize when the SYNC_EVENTS * column has changed (when sync has turned off or on) * @param account the Account whose Calendar we're observing */ private void registerCalendarObserver(Account account) { // Get a new observer CalendarObserver observer = new CalendarObserver(mHandler, account); if (observer.mCalendarId != 0) { // If we find the Calendar (and we'd better) register it and store it in the map mCalendarObservers.put(account.mId, observer); mResolver.registerContentObserver( ContentUris.withAppendedId(Calendars.CONTENT_URI, observer.mCalendarId), false, observer); } } /** * Unregister all CalendarObserver's */ private void unregisterCalendarObservers() { for (CalendarObserver observer : mCalendarObservers.values()) { mResolver.unregisterContentObserver(observer); } mCalendarObservers.clear(); } /** * Return the syncable state of an account's calendar, as determined by the sync_events column * of our Calendar (from CalendarProvider2) * Note that the current state of sync_events is cached in our CalendarObserver * @param accountId the id of the account whose calendar we are checking * @return whether or not syncing of events is enabled */ private boolean isCalendarEnabled(long accountId) { CalendarObserver observer = mCalendarObservers.get(accountId); if (observer != null) { return (observer.mSyncEvents == 1); } // If there's no observer, there's no Calendar in CalendarProvider2, so we return true // to allow Calendar creation return true; } private class CalendarObserver extends ContentObserver { long mAccountId; long mCalendarId; long mSyncEvents; String mAccountName; public CalendarObserver(Handler handler, Account account) { super(handler); mAccountId = account.mId; mAccountName = account.mEmailAddress; // Find the Calendar for this account Cursor c = mResolver.query(Calendars.CONTENT_URI, new String[] { Calendars._ID, Calendars.SYNC_EVENTS }, CalendarSyncAdapter.CALENDAR_SELECTION, new String[] { account.mEmailAddress, Email.EXCHANGE_ACCOUNT_MANAGER_TYPE }, null); if (c != null) { // Save its id and its sync events status try { if (c.moveToFirst()) { mCalendarId = c.getLong(0); mSyncEvents = c.getLong(1); } } finally { c.close(); } } } @Override public synchronized void onChange(boolean selfChange) { // See if the user has changed syncing of our calendar if (!selfChange) { new Thread(new Runnable() { public void run() { Cursor c = mResolver.query(Calendars.CONTENT_URI, new String[] { Calendars.SYNC_EVENTS }, Calendars._ID + "=?", new String[] { Long.toString(mCalendarId) }, null); if (c == null) return; // Get its sync events; if it's changed, we've got work to do try { if (c.moveToFirst()) { long newSyncEvents = c.getLong(0); if (newSyncEvents != mSyncEvents) { log("_sync_events changed for calendar in " + mAccountName); Mailbox mailbox = Mailbox.restoreMailboxOfType(INSTANCE, mAccountId, Mailbox.TYPE_CALENDAR); // Sanity check for mailbox deletion if (mailbox == null) return; if (newSyncEvents == 0) { // When sync is disabled, we're supposed to delete // all events in the calendar log("Deleting events and setting syncKey to 0 for " + mAccountName); // First, stop any sync that's ongoing stopManualSync(mailbox.mId); // Set the syncKey to 0 (reset) EasSyncService service = new EasSyncService(INSTANCE, mailbox); CalendarSyncAdapter adapter = new CalendarSyncAdapter(mailbox, service); try { adapter.setSyncKey("0", false); } catch (IOException e) { // The provider can't be reached; nothing to be done } // Reset the sync key locally ContentValues cv = new ContentValues(); cv.put(Mailbox.SYNC_KEY, "0"); mResolver.update( ContentUris.withAppendedId(Mailbox.CONTENT_URI, mailbox.mId), cv, null, null); // Delete all events in this calendar using the sync adapter // parameter so that the deletion is only local Uri eventsAsSyncAdapter = Events.CONTENT_URI.buildUpon() .appendQueryParameter(Calendar.CALLER_IS_SYNCADAPTER, "true") .build(); mResolver.delete(eventsAsSyncAdapter, WHERE_CALENDAR_ID, new String[] { Long.toString(mCalendarId) }); } else { // If we're in a ping, stop it so that calendar sync can // start right away stopPing(mAccountId); kick("calendar sync changed"); } // Save away the new value mSyncEvents = newSyncEvents; } } } finally { c.close(); } } }).start(); } } } private class MailboxObserver extends ContentObserver { public MailboxObserver(Handler handler) { super(handler); } @Override public void onChange(boolean selfChange) { // See if there's anything to do... if (!selfChange) { kick("mailbox changed"); } } } private class SyncedMessageObserver extends ContentObserver { Intent syncAlarmIntent = new Intent(INSTANCE, EmailSyncAlarmReceiver.class); PendingIntent syncAlarmPendingIntent = PendingIntent.getBroadcast(INSTANCE, 0, syncAlarmIntent, 0); AlarmManager alarmManager = (AlarmManager) INSTANCE.getSystemService(Context.ALARM_SERVICE); public SyncedMessageObserver(Handler handler) { super(handler); } @Override public void onChange(boolean selfChange) { log("SyncedMessage changed: (re)setting alarm for 10s"); alarmManager.set(AlarmManager.RTC_WAKEUP, System.currentTimeMillis() + 10 * SECONDS, syncAlarmPendingIntent); } } private class MessageObserver extends ContentObserver { public MessageObserver(Handler handler) { super(handler); } @Override public void onChange(boolean selfChange) { // A rather blunt instrument here. But we don't have information about the URI that // triggered this, though it must have been an insert if (!selfChange) { kick(null); } } } static public IEmailServiceCallback callback() { return sCallbackProxy; } static public Account getAccountById(long accountId) { synchronized (sAccountList) { return sAccountList.getById(accountId); } } static public String getEasAccountSelector() { SyncManager syncManager = INSTANCE; if (syncManager != null && syncManager.mAccountObserver != null) { return syncManager.mAccountObserver.getAccountKeyWhere(); } return null; } public class SyncStatus { static public final int NOT_RUNNING = 0; static public final int DIED = 1; static public final int SYNC = 2; static public final int IDLE = 3; } /*package*/ class SyncError { int reason; boolean fatal = false; long holdDelay = 15 * SECONDS; long holdEndTime = System.currentTimeMillis() + holdDelay; SyncError(int _reason, boolean _fatal) { reason = _reason; fatal = _fatal; } /** * We double the holdDelay from 15 seconds through 4 mins */ void escalate() { if (holdDelay < HOLD_DELAY_MAXIMUM) { holdDelay *= 2; } holdEndTime = System.currentTimeMillis() + holdDelay; } } private void logSyncHolds() { if (Eas.USER_LOG && !mSyncErrorMap.isEmpty()) { log("Sync holds:"); long time = System.currentTimeMillis(); synchronized (sSyncLock) { for (long mailboxId : mSyncErrorMap.keySet()) { Mailbox m = Mailbox.restoreMailboxWithId(this, mailboxId); if (m == null) { log("Mailbox " + mailboxId + " no longer exists"); } else { SyncError error = mSyncErrorMap.get(mailboxId); log("Mailbox " + m.mDisplayName + ", error = " + error.reason + ", fatal = " + error.fatal); if (error.holdEndTime > 0) { log("Hold ends in " + ((error.holdEndTime - time) / 1000) + "s"); } } } } } } /** * Release security holds for the specified account * @param account the account whose Mailboxes should be released from security hold */ static public void releaseSecurityHold(Account account) { SyncManager syncManager = INSTANCE; if (syncManager != null) { syncManager.releaseSyncHolds(INSTANCE, AbstractSyncService.EXIT_SECURITY_FAILURE, account); } } /** * Release a specific type of hold (the reason) for the specified Account; if the account * is null, mailboxes from all accounts with the specified hold will be released * @param reason the reason for the SyncError (AbstractSyncService.EXIT_XXX) * @param account an Account whose mailboxes should be released (or all if null) */ /*package*/ void releaseSyncHolds(Context context, int reason, Account account) { releaseSyncHoldsImpl(context, reason, account); kick("security release"); } private void releaseSyncHoldsImpl(Context context, int reason, Account account) { synchronized (sSyncLock) { ArrayList<Long> releaseList = new ArrayList<Long>(); for (long mailboxId : mSyncErrorMap.keySet()) { if (account != null) { Mailbox m = Mailbox.restoreMailboxWithId(context, mailboxId); if (m == null) { releaseList.add(mailboxId); } else if (m.mAccountKey != account.mId) { continue; } } SyncError error = mSyncErrorMap.get(mailboxId); if (error.reason == reason) { releaseList.add(mailboxId); } } for (long mailboxId : releaseList) { mSyncErrorMap.remove(mailboxId); } } } public class EasSyncStatusObserver implements SyncStatusObserver { public void onStatusChanged(int which) { // We ignore the argument (we can only get called in one case - when settings change) if (INSTANCE != null) { checkPIMSyncSettings(); } } } /** * The reconciler (which is called from this listener) can make blocking calls back into * the account manager. So, in this callback we spin up a worker thread to call the * reconciler. */ public class EasAccountsUpdatedListener implements OnAccountsUpdateListener { public void onAccountsUpdated(android.accounts.Account[] accounts) { SyncManager syncManager = INSTANCE; if (syncManager != null) { syncManager.runAccountReconciler(); } } } /** * Non-blocking call to run the account reconciler. * Launches a worker thread, so it may be called from UI thread. */ private void runAccountReconciler() { final SyncManager syncManager = this; new Thread() { @Override public void run() { android.accounts.Account[] accountMgrList = AccountManager.get(syncManager) .getAccountsByType(Email.EXCHANGE_ACCOUNT_MANAGER_TYPE); synchronized (sAccountList) { // Make sure we have an up-to-date sAccountList. If not (for example, if the // service has been destroyed), we would be reconciling against an empty account // list, which would cause the deletion of all of our accounts if (mAccountObserver != null) { mAccountObserver.onAccountChanged(); reconcileAccountsWithAccountManager(syncManager, sAccountList, accountMgrList, false, mResolver); } } } }.start(); } public static void log(String str) { log(TAG, str); } public static void log(String tag, String str) { if (Eas.USER_LOG) { Log.d(tag, str); if (Eas.FILE_LOG) { FileLogger.log(tag, str); } } } public static void alwaysLog(String str) { if (!Eas.USER_LOG) { Log.d(TAG, str); } else { log(str); } } /** * EAS requires a unique device id, so that sync is possible from a variety of different * devices (e.g. the syncKey is specific to a device) If we're on an emulator or some other * device that doesn't provide one, we can create it as droid<n> where <n> is system time. * This would work on a real device as well, but it would be better to use the "real" id if * it's available */ static public String getDeviceId() throws IOException { return getDeviceId(null); } static public synchronized String getDeviceId(Context context) throws IOException { if (sDeviceId == null) { sDeviceId = getDeviceIdInternal(context); } return sDeviceId; } static private String getDeviceIdInternal(Context context) throws IOException { if (INSTANCE == null && context == null) { throw new IOException("No context for getDeviceId"); } else if (context == null) { context = INSTANCE; } try { File f = context.getFileStreamPath("deviceName"); BufferedReader rdr = null; String id; if (f.exists() && f.canRead()) { rdr = new BufferedReader(new FileReader(f), 128); id = rdr.readLine(); rdr.close(); return id; } else if (f.createNewFile()) { BufferedWriter w = new BufferedWriter(new FileWriter(f), 128); final String consistentDeviceId = Utility.getConsistentDeviceId(context); if (consistentDeviceId != null) { // Use different prefix from random IDs. id = "androidc" + consistentDeviceId; } else { id = "android" + System.currentTimeMillis(); } w.write(id); w.close(); return id; } } catch (IOException e) { } throw new IOException("Can't get device name"); } @Override public IBinder onBind(Intent arg0) { return mBinder; } /** * Note that there are two ways the EAS SyncManager service can be created: * * 1) as a background service instantiated via startService (which happens on boot, when the * first EAS account is created, etc), in which case the service thread is spun up, mailboxes * sync, etc. and * 2) to execute an RPC call from the UI, in which case the background service will already be * running most of the time (unless we're creating a first EAS account) * * If the running background service detects that there are no EAS accounts (on boot, if none * were created, or afterward if the last remaining EAS account is deleted), it will call * stopSelf() to terminate operation. * * The goal is to ensure that the background service is running at all times when there is at * least one EAS account in existence * * Because there are edge cases in which our process can crash (typically, this has been seen * in UI crashes, ANR's, etc.), it's possible for the UI to start up again without the * background service having been started. We explicitly try to start the service in Welcome * (to handle the case of the app having been reloaded). We also start the service on any * startSync call (if it isn't already running) */ @Override public void onCreate() { alwaysLog("!!! EAS SyncManager, onCreate"); if (INSTANCE == null) { INSTANCE = this; mResolver = getContentResolver(); mAccountObserver = new AccountObserver(mHandler); mResolver.registerContentObserver(Account.CONTENT_URI, true, mAccountObserver); mMailboxObserver = new MailboxObserver(mHandler); mSyncedMessageObserver = new SyncedMessageObserver(mHandler); mMessageObserver = new MessageObserver(mHandler); mSyncStatusObserver = new EasSyncStatusObserver(); } else { alwaysLog("!!! EAS SyncManager onCreated, but INSTANCE not null??"); } if (sDeviceId == null) { try { getDeviceId(this); } catch (IOException e) { // We can't run in this situation throw new RuntimeException(); } } // Run the reconciler and clean up any mismatched accounts - if we weren't running when // accounts were deleted, it won't have been called. runAccountReconciler(); } @Override public int onStartCommand(Intent intent, int flags, int startId) { alwaysLog("!!! EAS SyncManager, onStartCommand"); // Restore accounts, if it has not happened already AccountBackupRestore.restoreAccountsIfNeeded(this); maybeStartSyncManagerThread(); if (sServiceThread == null) { alwaysLog("!!! EAS SyncManager, stopping self"); stopSelf(); } return Service.START_STICKY; } @Override public void onDestroy() { alwaysLog("!!! EAS SyncManager, onDestroy"); if (INSTANCE != null) { INSTANCE = null; mResolver.unregisterContentObserver(mAccountObserver); unregisterCalendarObservers(); mResolver = null; mAccountObserver = null; mMailboxObserver = null; mSyncedMessageObserver = null; mMessageObserver = null; mSyncStatusObserver = null; mAccountsUpdatedListener = null; } } void maybeStartSyncManagerThread() { // Start our thread... // See if there are any EAS accounts; otherwise, just go away if (EmailContent.count(this, HostAuth.CONTENT_URI, WHERE_PROTOCOL_EAS, null) > 0) { if (sServiceThread == null || !sServiceThread.isAlive()) { log(sServiceThread == null ? "Starting thread..." : "Restarting thread..."); sServiceThread = new Thread(this, "SyncManager"); sServiceThread.start(); } } } static void checkSyncManagerServiceRunning() { // Get the service thread running if it isn't // This is a stopgap for cases in which SyncManager died (due to a crash somewhere in // com.mwebster.iemail. and hasn't been restarted // See the comment for onCreate for details SyncManager syncManager = INSTANCE; if (syncManager == null) return; if (sServiceThread == null) { alwaysLog("!!! checkSyncManagerServiceRunning; starting service..."); syncManager.startService(new Intent(syncManager, SyncManager.class)); } } static public ConnPerRoute sConnPerRoute = new ConnPerRoute() { public int getMaxForRoute(HttpRoute route) { return 8; } }; static public synchronized ClientConnectionManager getClientConnectionManager(String accountUUID) { Log.d(TAG, "Requesting SSL factory for account UUID: " + accountUUID); if (accountUUID == null && validationKeyStore != null) { // Validating account, use temporarily provided keystore Log.d(TAG, "Create SSL factory with validation keystore"); SchemeRegistry registry = new SchemeRegistry(); registry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80)); try { registry.register(new Scheme("https", new SSLSocketFactory(validationKeyStore, ""), 443)); } catch (Exception e) { throw new Error(e); } // Use "insecure" socket factory. SSLSocketFactory sf = new SSLSocketFactory(SSLUtils.getSSLSocketFactory(true)); sf.setHostnameVerifier(SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER); // Register the httpts scheme with our factory registry.register(new Scheme("httpts", sf, 443)); HttpParams params = new BasicHttpParams(); params.setIntParameter(ConnManagerPNames.MAX_TOTAL_CONNECTIONS, 3); params.setParameter(ConnManagerPNames.MAX_CONNECTIONS_PER_ROUTE, 3); return new SingleClientConnManager(params, registry); } ClientConnectionManager clientConnectionManager = clientConnectionManagerMap.get(accountUUID); if (clientConnectionManager == null) { try { // Create a registry for our three schemes; http and https will // use built-in factories // And create a ccm with our registry SchemeRegistry registry = new SchemeRegistry(); registry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80)); if (accountUUID != null && INSTANCE.getFileStreamPath(accountUUID).exists()) { Log.d(TAG, "Create SSL factory with keystore"); KeyStore.PasswordProtection protection = new KeyStore.PasswordProtection( getPassword(accountUUID).toCharArray()); KeyStore keyStore = KeyStore.Builder .newInstance("pkcs12", null, INSTANCE.getFileStreamPath(accountUUID), protection) .getKeyStore(); registry.register( new Scheme("https", new SSLSocketFactory(keyStore, getPassword(accountUUID)), 443)); } else { Log.d(TAG, "Create regular SSL factory"); registry.register(new Scheme("https", SSLSocketFactory.getSocketFactory(), 443)); } // Use "insecure" socket factory. SSLSocketFactory sf = new SSLSocketFactory(SSLUtils.getSSLSocketFactory(true)); sf.setHostnameVerifier(SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER); // Register the httpts scheme with our factory registry.register(new Scheme("httpts", sf, 443)); HttpParams params = new BasicHttpParams(); params.setIntParameter(ConnManagerPNames.MAX_TOTAL_CONNECTIONS, 25); params.setParameter(ConnManagerPNames.MAX_CONNECTIONS_PER_ROUTE, SyncManager.sConnPerRoute); clientConnectionManager = new ThreadSafeClientConnManager(params, registry); clientConnectionManagerMap.put(accountUUID, clientConnectionManager); } catch (Exception e) { Log.e(TAG, "Error with keystore or something related!", e); throw new IllegalStateException(e); } } return clientConnectionManager; } static private synchronized void shutdownConnectionManager() { if ((!clientConnectionManagerMap.isEmpty())) { alwaysLog("Shutting down ClientConnectionManager"); for (ClientConnectionManager clientConnectionManager : clientConnectionManagerMap.values()) { clientConnectionManager.shutdown(); } sClientConnectionManagerShutdownCount++; clientConnectionManagerMap.clear(); } } public static void stopAccountSyncs(long acctId) { SyncManager syncManager = INSTANCE; if (syncManager != null) { syncManager.stopAccountSyncs(acctId, true); } } private void stopAccountSyncs(long acctId, boolean includeAccountMailbox) { synchronized (sSyncLock) { List<Long> deletedBoxes = new ArrayList<Long>(); for (Long mid : mServiceMap.keySet()) { Mailbox box = Mailbox.restoreMailboxWithId(this, mid); if (box != null) { if (box.mAccountKey == acctId) { if (!includeAccountMailbox && box.mType == Mailbox.TYPE_EAS_ACCOUNT_MAILBOX) { AbstractSyncService svc = mServiceMap.get(mid); if (svc != null) { svc.stop(); } continue; } AbstractSyncService svc = mServiceMap.get(mid); if (svc != null) { svc.stop(); Thread t = svc.mThread; if (t != null) { t.interrupt(); } } deletedBoxes.add(mid); } } } for (Long mid : deletedBoxes) { releaseMailbox(mid); } } } static private void reloadFolderListFailed(long accountId) { try { callback().syncMailboxListStatus(accountId, EmailServiceStatus.ACCOUNT_UNINITIALIZED, 0); } catch (RemoteException e1) { // Don't care if this fails } } static public void reloadFolderList(Context context, long accountId, boolean force) { SyncManager syncManager = INSTANCE; if (syncManager == null) return; Cursor c = context.getContentResolver().query(Mailbox.CONTENT_URI, Mailbox.CONTENT_PROJECTION, MailboxColumns.ACCOUNT_KEY + "=? AND " + MailboxColumns.TYPE + "=?", new String[] { Long.toString(accountId), Long.toString(Mailbox.TYPE_EAS_ACCOUNT_MAILBOX) }, null); try { if (c.moveToFirst()) { synchronized (sSyncLock) { Mailbox m = new Mailbox().restore(c); Account acct = Account.restoreAccountWithId(context, accountId); if (acct == null) { reloadFolderListFailed(accountId); return; } String syncKey = acct.mSyncKey; // No need to reload the list if we don't have one if (!force && (syncKey == null || syncKey.equals("0"))) { reloadFolderListFailed(accountId); return; } // Change all ping/push boxes to push/hold ContentValues cv = new ContentValues(); cv.put(Mailbox.SYNC_INTERVAL, Mailbox.CHECK_INTERVAL_PUSH_HOLD); context.getContentResolver().update(Mailbox.CONTENT_URI, cv, WHERE_PUSH_OR_PING_NOT_ACCOUNT_MAILBOX, new String[] { Long.toString(accountId) }); log("Set push/ping boxes to push/hold"); long id = m.mId; AbstractSyncService svc = syncManager.mServiceMap.get(id); // Tell the service we're done if (svc != null) { synchronized (svc.getSynchronizer()) { svc.stop(); } // Interrupt the thread so that it can stop Thread thread = svc.mThread; thread.setName(thread.getName() + " (Stopped)"); thread.interrupt(); // Abandon the service syncManager.releaseMailbox(id); // And have it start naturally kick("reload folder list"); } } } } finally { c.close(); } } /** * Informs SyncManager that an account has a new folder list; as a result, any existing folder * might have become invalid. Therefore, we act as if the account has been deleted, and then * we reinitialize it. * * @param acctId */ static public void folderListReloaded(long acctId) { SyncManager syncManager = INSTANCE; if (syncManager != null) { syncManager.stopAccountSyncs(acctId, false); kick("reload folder list"); } } private void acquireWakeLock(long id) { synchronized (mWakeLocks) { Boolean lock = mWakeLocks.get(id); if (lock == null) { if (mWakeLock == null) { PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE); mWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "MAIL_SERVICE"); mWakeLock.acquire(); //log("+WAKE LOCK ACQUIRED"); } mWakeLocks.put(id, true); } } } private void releaseWakeLock(long id) { synchronized (mWakeLocks) { Boolean lock = mWakeLocks.get(id); if (lock != null) { mWakeLocks.remove(id); if (mWakeLocks.isEmpty()) { if (mWakeLock != null) { mWakeLock.release(); } mWakeLock = null; //log("+WAKE LOCK RELEASED"); } else { } } } } static public String alarmOwner(long id) { if (id == SYNC_MANAGER_ID) { return "SyncManager"; } else { String name = Long.toString(id); if (Eas.USER_LOG && INSTANCE != null) { Mailbox m = Mailbox.restoreMailboxWithId(INSTANCE, id); if (m != null) { name = m.mDisplayName + '(' + m.mAccountKey + ')'; } } return "Mailbox " + name; } } private void clearAlarm(long id) { synchronized (mPendingIntents) { PendingIntent pi = mPendingIntents.get(id); if (pi != null) { AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE); alarmManager.cancel(pi); //log("+Alarm cleared for " + alarmOwner(id)); mPendingIntents.remove(id); } } } private void setAlarm(long id, long millis) { synchronized (mPendingIntents) { PendingIntent pi = mPendingIntents.get(id); if (pi == null) { Intent i = new Intent(this, MailboxAlarmReceiver.class); i.putExtra("mailbox", id); i.setData(Uri.parse("Box" + id)); pi = PendingIntent.getBroadcast(this, 0, i, 0); mPendingIntents.put(id, pi); AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE); alarmManager.set(AlarmManager.RTC_WAKEUP, System.currentTimeMillis() + millis, pi); //log("+Alarm set for " + alarmOwner(id) + ", " + millis/1000 + "s"); } } } private void clearAlarms() { AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE); synchronized (mPendingIntents) { for (PendingIntent pi : mPendingIntents.values()) { alarmManager.cancel(pi); } mPendingIntents.clear(); } } static public void runAwake(long id) { SyncManager syncManager = INSTANCE; if (syncManager != null) { syncManager.acquireWakeLock(id); syncManager.clearAlarm(id); } } static public void runAsleep(long id, long millis) { SyncManager syncManager = INSTANCE; if (syncManager != null) { syncManager.setAlarm(id, millis); syncManager.releaseWakeLock(id); } } static public void clearWatchdogAlarm(long id) { SyncManager syncManager = INSTANCE; if (syncManager != null) { syncManager.clearAlarm(id); } } static public void setWatchdogAlarm(long id, long millis) { SyncManager syncManager = INSTANCE; if (syncManager != null) { syncManager.setAlarm(id, millis); } } static public void alert(Context context, final long id) { final SyncManager syncManager = INSTANCE; checkSyncManagerServiceRunning(); if (id < 0) { kick("ping SyncManager"); } else if (syncManager == null) { context.startService(new Intent(context, SyncManager.class)); } else { final AbstractSyncService service = syncManager.mServiceMap.get(id); if (service != null) { // Handle alerts in a background thread, as we are typically called from a // broadcast receiver, and are therefore running in the UI thread new Thread(new Runnable() { public void run() { Mailbox m = Mailbox.restoreMailboxWithId(syncManager, id); if (m != null) { // We ignore drafts completely (doesn't sync). Changes in Outbox are // handled in the checkMailboxes loop, so we can ignore these pings. if (m.mType == Mailbox.TYPE_DRAFTS || m.mType == Mailbox.TYPE_OUTBOX) { String[] args = new String[] { Long.toString(m.mId) }; ContentResolver resolver = INSTANCE.mResolver; resolver.delete(Message.DELETED_CONTENT_URI, WHERE_MAILBOX_KEY, args); resolver.delete(Message.UPDATED_CONTENT_URI, WHERE_MAILBOX_KEY, args); return; } service.mAccount = Account.restoreAccountWithId(INSTANCE, m.mAccountKey); service.mMailbox = m; // Send the alarm to the sync service if (!service.alarm()) { // A false return means that we were forced to interrupt the thread // In this case, we release the mailbox so that we can start another // thread to do the work log("Alarm failed; releasing mailbox"); synchronized (sSyncLock) { syncManager.releaseMailbox(id); } // Shutdown the connection manager; this should close all of our // sockets and generate IOExceptions all around. SyncManager.shutdownConnectionManager(); } } } }).start(); } } } /** * See if we need to change the syncInterval for any of our PIM mailboxes based on changes * to settings in the AccountManager (sync settings). * This code is called 1) when SyncManager starts, and 2) when SyncManager is running and there * are changes made (this is detected via a SyncStatusObserver) */ private void updatePIMSyncSettings(Account providerAccount, int mailboxType, String authority) { ContentValues cv = new ContentValues(); long mailboxId = Mailbox.findMailboxOfType(this, providerAccount.mId, mailboxType); // Presumably there is one, but if not, it's ok. Just move on... if (mailboxId != Mailbox.NO_MAILBOX) { // Create an AccountManager style Account android.accounts.Account acct = new android.accounts.Account(providerAccount.mEmailAddress, Email.EXCHANGE_ACCOUNT_MANAGER_TYPE); // Get the mailbox; this happens rarely so it's ok to get it all Mailbox mailbox = Mailbox.restoreMailboxWithId(this, mailboxId); if (mailbox == null) return; int syncInterval = mailbox.mSyncInterval; // If we're syncable, look further... if (ContentResolver.getIsSyncable(acct, authority) > 0) { // If we're supposed to sync automatically (push), set to push if it's not if (ContentResolver.getSyncAutomatically(acct, authority)) { if (syncInterval == Mailbox.CHECK_INTERVAL_NEVER || syncInterval > 0) { log("Sync for " + mailbox.mDisplayName + " in " + acct.name + ": push"); cv.put(MailboxColumns.SYNC_INTERVAL, Mailbox.CHECK_INTERVAL_PUSH); } // If we're NOT supposed to push, and we're not set up that way, change it } else if (syncInterval != Mailbox.CHECK_INTERVAL_NEVER) { log("Sync for " + mailbox.mDisplayName + " in " + acct.name + ": manual"); cv.put(MailboxColumns.SYNC_INTERVAL, Mailbox.CHECK_INTERVAL_NEVER); } // If not, set it to never check } else if (syncInterval != Mailbox.CHECK_INTERVAL_NEVER) { log("Sync for " + mailbox.mDisplayName + " in " + acct.name + ": manual"); cv.put(MailboxColumns.SYNC_INTERVAL, Mailbox.CHECK_INTERVAL_NEVER); } // If we've made a change, update the Mailbox, and kick if (cv.containsKey(MailboxColumns.SYNC_INTERVAL)) { mResolver.update(ContentUris.withAppendedId(Mailbox.CONTENT_URI, mailboxId), cv, null, null); kick("sync settings change"); } } } /** * Make our sync settings match those of AccountManager */ private void checkPIMSyncSettings() { synchronized (sAccountList) { for (Account account : sAccountList) { updatePIMSyncSettings(account, Mailbox.TYPE_CONTACTS, ContactsContract.AUTHORITY); updatePIMSyncSettings(account, Mailbox.TYPE_CALENDAR, Calendar.AUTHORITY); } } } /** * Compare our account list (obtained from EmailProvider) with the account list owned by * AccountManager. If there are any orphans (an account in one list without a corresponding * account in the other list), delete the orphan, as these must remain in sync. * * Note that the duplication of account information is caused by the Email application's * incomplete integration with AccountManager. * * This function may not be called from the main/UI thread, because it makes blocking calls * into the account manager. * * @param context The context in which to operate * @param cachedEasAccounts the exchange provider accounts to work from * @param accountManagerAccounts The account manager accounts to work from * @param blockExternalChanges FOR TESTING ONLY - block backups, security changes, etc. * @param resolver the content resolver for making provider updates (injected for testability) */ /* package */ static void reconcileAccountsWithAccountManager(Context context, List<Account> cachedEasAccounts, android.accounts.Account[] accountManagerAccounts, boolean blockExternalChanges, ContentResolver resolver) { // First, look through our cached EAS Accounts (from EmailProvider) to make sure there's a // corresponding AccountManager account boolean accountsDeleted = false; for (Account providerAccount : cachedEasAccounts) { String providerAccountName = providerAccount.mEmailAddress; boolean found = false; for (android.accounts.Account accountManagerAccount : accountManagerAccounts) { if (accountManagerAccount.name.equalsIgnoreCase(providerAccountName)) { found = true; break; } } if (!found) { if ((providerAccount.mFlags & Account.FLAGS_INCOMPLETE) != 0) { log("Account reconciler noticed incomplete account; ignoring"); continue; } // This account has been deleted in the AccountManager! alwaysLog("Account deleted in AccountManager; deleting from provider: " + providerAccountName); // TODO This will orphan downloaded attachments; need to handle this resolver.delete(ContentUris.withAppendedId(Account.CONTENT_URI, providerAccount.mId), null, null); accountsDeleted = true; } } // Now, look through AccountManager accounts to make sure we have a corresponding cached EAS // account from EmailProvider for (android.accounts.Account accountManagerAccount : accountManagerAccounts) { String accountManagerAccountName = accountManagerAccount.name; boolean found = false; for (Account cachedEasAccount : cachedEasAccounts) { if (cachedEasAccount.mEmailAddress.equalsIgnoreCase(accountManagerAccountName)) { found = true; } } if (!found) { // This account has been deleted from the EmailProvider database alwaysLog("Account deleted from provider; deleting from AccountManager: " + accountManagerAccountName); // Delete the account AccountManagerFuture<Boolean> blockingResult = AccountManager.get(context) .removeAccount(accountManagerAccount, null, null); try { // Note: All of the potential errors from removeAccount() are simply logged // here, as there is nothing to actually do about them. blockingResult.getResult(); } catch (OperationCanceledException e) { Log.w(Email.LOG_TAG, e.toString()); } catch (AuthenticatorException e) { Log.w(Email.LOG_TAG, e.toString()); } catch (IOException e) { Log.w(Email.LOG_TAG, e.toString()); } accountsDeleted = true; } } // If we changed the list of accounts, refresh the backup & security settings if (!blockExternalChanges && accountsDeleted) { AccountBackupRestore.backupAccounts(context); SecurityPolicy.getInstance(context).reducePolicies(); Email.setNotifyUiAccountsChanged(true); } } public class ConnectivityReceiver extends BroadcastReceiver { @Override public void onReceive(Context context, Intent intent) { if (intent.getAction().equals(ConnectivityManager.CONNECTIVITY_ACTION)) { Bundle b = intent.getExtras(); if (b != null) { NetworkInfo a = (NetworkInfo) b.get(ConnectivityManager.EXTRA_NETWORK_INFO); String info = "Connectivity alert for " + a.getTypeName(); State state = a.getState(); if (state == State.CONNECTED) { info += " CONNECTED"; log(info); synchronized (sConnectivityLock) { sConnectivityLock.notifyAll(); } kick("connected"); } else if (state == State.DISCONNECTED) { info += " DISCONNECTED"; log(info); kick("disconnected"); } } } else if (intent.getAction().equals(ConnectivityManager.ACTION_BACKGROUND_DATA_SETTING_CHANGED)) { ConnectivityManager cm = (ConnectivityManager) SyncManager.this .getSystemService(Context.CONNECTIVITY_SERVICE); mBackgroundData = cm.getBackgroundDataSetting(); // If background data is now on, we want to kick SyncManager if (mBackgroundData) { kick("background data on"); log("Background data on; restart syncs"); // Otherwise, stop all syncs } else { log("Background data off: stop all syncs"); synchronized (sAccountList) { for (Account account : sAccountList) SyncManager.stopAccountSyncs(account.mId); } } } } } /** * Starts a service thread and enters it into the service map * This is the point of instantiation of all sync threads * @param service the service to start * @param m the Mailbox on which the service will operate */ private void startServiceThread(AbstractSyncService service, Mailbox m) { if (m == null) return; synchronized (sSyncLock) { String mailboxName = m.mDisplayName; String accountName = service.mAccount.mDisplayName; Thread thread = new Thread(service, mailboxName + "(" + accountName + ")"); log("Starting thread for " + mailboxName + " in account " + accountName); thread.start(); mServiceMap.put(m.mId, service); runAwake(m.mId); if ((m.mServerId != null) && !m.mServerId.startsWith(Eas.ACCOUNT_MAILBOX_PREFIX)) { stopPing(m.mAccountKey); } } } /** * Stop any ping in progress for the given account * @param accountId */ private void stopPing(long accountId) { // Go through our active mailboxes looking for the right one synchronized (sSyncLock) { for (long mailboxId : mServiceMap.keySet()) { Mailbox m = Mailbox.restoreMailboxWithId(this, mailboxId); if (m != null) { String serverId = m.mServerId; if (m.mAccountKey == accountId && serverId != null && serverId.startsWith(Eas.ACCOUNT_MAILBOX_PREFIX)) { // Here's our account mailbox; reset him (stopping pings) AbstractSyncService svc = mServiceMap.get(mailboxId); svc.reset(); } } } } } private void requestSync(Mailbox m, int reason, Request req) { // Don't sync if there's no connectivity if (sConnectivityHold || (m == null)) return; synchronized (sSyncLock) { Account acct = Account.restoreAccountWithId(this, m.mAccountKey); if (acct != null) { // Always make sure there's not a running instance of this service AbstractSyncService service = mServiceMap.get(m.mId); if (service == null) { service = new EasSyncService(this, m); if (!((EasSyncService) service).mIsValid) return; service.mSyncReason = reason; if (req != null) { service.addRequest(req); } startServiceThread(service, m); } } } } private void stopServiceThreads() { synchronized (sSyncLock) { ArrayList<Long> toStop = new ArrayList<Long>(); // Keep track of which services to stop for (Long mailboxId : mServiceMap.keySet()) { toStop.add(mailboxId); } // Shut down all of those running services for (Long mailboxId : toStop) { AbstractSyncService svc = mServiceMap.get(mailboxId); if (svc != null) { log("Stopping " + svc.mAccount.mDisplayName + '/' + svc.mMailbox.mDisplayName); svc.stop(); if (svc.mThread != null) { svc.mThread.interrupt(); } } releaseWakeLock(mailboxId); } } } private void waitForConnectivity() { boolean waiting = false; ConnectivityManager cm = (ConnectivityManager) this.getSystemService(Context.CONNECTIVITY_SERVICE); while (!mStop) { NetworkInfo info = cm.getActiveNetworkInfo(); if (info != null) { // We're done if there's an active network if (waiting) { // If we've been waiting, release any I/O error holds releaseSyncHolds(this, AbstractSyncService.EXIT_IO_ERROR, null); // And log what's still being held logSyncHolds(); } return; } else { // If this is our first time through the loop, shut down running service threads if (!waiting) { waiting = true; stopServiceThreads(); } // Wait until a network is connected (or 10 mins), but let the device sleep // We'll set an alarm just in case we don't get notified (bugs happen) synchronized (sConnectivityLock) { runAsleep(SYNC_MANAGER_ID, CONNECTIVITY_WAIT_TIME + 5 * SECONDS); try { log("Connectivity lock..."); sConnectivityHold = true; sConnectivityLock.wait(CONNECTIVITY_WAIT_TIME); log("Connectivity lock released..."); } catch (InterruptedException e) { // This is fine; we just go around the loop again } finally { sConnectivityHold = false; } runAwake(SYNC_MANAGER_ID); } } } } public void run() { mStop = false; // If we're really debugging, turn on all logging if (Eas.DEBUG) { Eas.USER_LOG = true; Eas.PARSER_LOG = true; Eas.FILE_LOG = true; } // If we need to wait for the debugger, do so if (Eas.WAIT_DEBUG) { Debug.waitForDebugger(); } // Set up our observers; we need them to know when to start/stop various syncs based // on the insert/delete/update of mailboxes and accounts // We also observe synced messages to trigger upsyncs at the appropriate time mResolver.registerContentObserver(Mailbox.CONTENT_URI, false, mMailboxObserver); mResolver.registerContentObserver(Message.SYNCED_CONTENT_URI, true, mSyncedMessageObserver); mResolver.registerContentObserver(Message.CONTENT_URI, true, mMessageObserver); ContentResolver.addStatusChangeListener(ContentResolver.SYNC_OBSERVER_TYPE_SETTINGS, mSyncStatusObserver); mAccountsUpdatedListener = new EasAccountsUpdatedListener(); // TODO Find and fix root cause of duplication try { AccountManager.get(getApplication()).addOnAccountsUpdatedListener(mAccountsUpdatedListener, mHandler, true); } catch (IllegalStateException e1) { // This exception is more of a warning; we shouldn't be in the state in which we // already have a listener. } // Set up receivers for ConnectivityManager mConnectivityReceiver = new ConnectivityReceiver(); registerReceiver(mConnectivityReceiver, new IntentFilter(ConnectivityManager.CONNECTIVITY_ACTION)); mBackgroundDataSettingReceiver = new ConnectivityReceiver(); registerReceiver(mBackgroundDataSettingReceiver, new IntentFilter(ConnectivityManager.ACTION_BACKGROUND_DATA_SETTING_CHANGED)); // Save away background data setting; we'll keep track of it with the receiver ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE); mBackgroundData = cm.getBackgroundDataSetting(); // See if any settings have changed while we weren't running... checkPIMSyncSettings(); try { while (!mStop) { runAwake(SYNC_MANAGER_ID); waitForConnectivity(); mNextWaitReason = "Heartbeat"; long nextWait = checkMailboxes(); try { synchronized (this) { if (!mKicked) { if (nextWait < 0) { log("Negative wait? Setting to 1s"); nextWait = 1 * SECONDS; } if (nextWait > 10 * SECONDS) { log("Next awake in " + nextWait / 1000 + "s: " + mNextWaitReason); runAsleep(SYNC_MANAGER_ID, nextWait + (3 * SECONDS)); } wait(nextWait); } } } catch (InterruptedException e) { // Needs to be caught, but causes no problem } finally { synchronized (this) { if (mKicked) { //log("Wait deferred due to kick"); mKicked = false; } } } } log("Shutdown requested"); } catch (RuntimeException e) { Log.e(TAG, "RuntimeException in SyncManager", e); throw e; } finally { log("Finishing SyncManager"); // Lots of cleanup here // Stop our running syncs stopServiceThreads(); // Stop receivers and content observers if (mConnectivityReceiver != null) { unregisterReceiver(mConnectivityReceiver); } if (mBackgroundDataSettingReceiver != null) { unregisterReceiver(mBackgroundDataSettingReceiver); } if (INSTANCE != null) { ContentResolver resolver = getContentResolver(); resolver.unregisterContentObserver(mAccountObserver); resolver.unregisterContentObserver(mMailboxObserver); resolver.unregisterContentObserver(mSyncedMessageObserver); resolver.unregisterContentObserver(mMessageObserver); unregisterCalendarObservers(); } // Don't leak the Intent associated with this listener if (mAccountsUpdatedListener != null) { AccountManager.get(this).removeOnAccountsUpdatedListener(mAccountsUpdatedListener); mAccountsUpdatedListener = null; } // Clear pending alarms and associated Intents clearAlarms(); // Release our wake lock, if we have one synchronized (mWakeLocks) { if (mWakeLock != null) { mWakeLock.release(); mWakeLock = null; } } log("Goodbye"); } if (!mStop) { // If this wasn't intentional, try to restart the service throw new RuntimeException("EAS SyncManager crash; please restart me..."); } } private void releaseMailbox(long mailboxId) { mServiceMap.remove(mailboxId); releaseWakeLock(mailboxId); } private long checkMailboxes() { // First, see if any running mailboxes have been deleted ArrayList<Long> deletedMailboxes = new ArrayList<Long>(); synchronized (sSyncLock) { for (long mailboxId : mServiceMap.keySet()) { Mailbox m = Mailbox.restoreMailboxWithId(this, mailboxId); if (m == null) { deletedMailboxes.add(mailboxId); } } // If so, stop them or remove them from the map for (Long mailboxId : deletedMailboxes) { AbstractSyncService svc = mServiceMap.get(mailboxId); if (svc == null || svc.mThread == null) { releaseMailbox(mailboxId); continue; } else { boolean alive = svc.mThread.isAlive(); log("Deleted mailbox: " + svc.mMailboxName); if (alive) { stopManualSync(mailboxId); } else { log("Removing from serviceMap"); releaseMailbox(mailboxId); } } } } long nextWait = SYNC_MANAGER_HEARTBEAT_TIME; long now = System.currentTimeMillis(); // Start up threads that need it; use a query which finds eas mailboxes where the // the sync interval is not "never". This is the set of mailboxes that we control if (mAccountObserver == null) { log("mAccountObserver null; service died??"); return nextWait; } Cursor c = getContentResolver().query(Mailbox.CONTENT_URI, Mailbox.CONTENT_PROJECTION, mAccountObserver.getSyncableEasMailboxWhere(), null, null); // Contacts/Calendar obey this setting from ContentResolver // Mail is on its own schedule boolean masterAutoSync = ContentResolver.getMasterSyncAutomatically(); try { while (c.moveToNext()) { long mid = c.getLong(Mailbox.CONTENT_ID_COLUMN); AbstractSyncService service = null; synchronized (sSyncLock) { service = mServiceMap.get(mid); } if (service == null) { // We handle a few types of mailboxes specially int type = c.getInt(Mailbox.CONTENT_TYPE_COLUMN); // If background data is off, we only sync Outbox // Manual syncs are initiated elsewhere, so they will continue to be respected if (!mBackgroundData && type != Mailbox.TYPE_OUTBOX) { continue; } if (type == Mailbox.TYPE_CONTACTS || type == Mailbox.TYPE_CALENDAR) { // We don't sync these automatically if master auto sync is off if (!masterAutoSync) { continue; } // Get the right authority for the mailbox String authority; Account account = getAccountById(c.getInt(Mailbox.CONTENT_ACCOUNT_KEY_COLUMN)); if (account != null) { if (type == Mailbox.TYPE_CONTACTS) { authority = ContactsContract.AUTHORITY; } else { authority = Calendar.AUTHORITY; if (!mCalendarObservers.containsKey(account.mId)) { // Make sure we have an observer for this Calendar, as // we need to be able to detect sync state changes, sigh registerCalendarObserver(account); } } android.accounts.Account a = new android.accounts.Account(account.mEmailAddress, Email.EXCHANGE_ACCOUNT_MANAGER_TYPE); // See if "sync automatically" is set; if not, punt if (!ContentResolver.getSyncAutomatically(a, authority)) { continue; // See if the calendar is enabled; if not, punt } else if ((type == Mailbox.TYPE_CALENDAR) && !isCalendarEnabled(account.mId)) { continue; } } } else if (type == Mailbox.TYPE_TRASH) { continue; } // Check whether we're in a hold (temporary or permanent) SyncError syncError = mSyncErrorMap.get(mid); if (syncError != null) { // Nothing we can do about fatal errors if (syncError.fatal) continue; if (now < syncError.holdEndTime) { // If release time is earlier than next wait time, // move next wait time up to the release time if (syncError.holdEndTime < now + nextWait) { nextWait = syncError.holdEndTime - now; mNextWaitReason = "Release hold"; } continue; } else { // Keep the error around, but clear the end time syncError.holdEndTime = 0; } } // Otherwise, we use the sync interval long interval = c.getInt(Mailbox.CONTENT_SYNC_INTERVAL_COLUMN); if (interval == Mailbox.CHECK_INTERVAL_PUSH) { Mailbox m = EmailContent.getContent(c, Mailbox.class); requestSync(m, SYNC_PUSH, null); } else if (type == Mailbox.TYPE_OUTBOX) { int cnt = EmailContent.count(this, Message.CONTENT_URI, EasOutboxService.MAILBOX_KEY_AND_NOT_SEND_FAILED, new String[] { Long.toString(mid) }); if (cnt > 0) { Mailbox m = EmailContent.getContent(c, Mailbox.class); startServiceThread(new EasOutboxService(this, m), m); } } else if (interval > 0 && interval <= ONE_DAY_MINUTES) { long lastSync = c.getLong(Mailbox.CONTENT_SYNC_TIME_COLUMN); long sinceLastSync = now - lastSync; if (sinceLastSync < 0) { log("WHOA! lastSync in the future for mailbox: " + mid); sinceLastSync = interval * MINUTES; } long toNextSync = interval * MINUTES - sinceLastSync; String name = c.getString(Mailbox.CONTENT_DISPLAY_NAME_COLUMN); if (toNextSync <= 0) { Mailbox m = EmailContent.getContent(c, Mailbox.class); requestSync(m, SYNC_SCHEDULED, null); } else if (toNextSync < nextWait) { nextWait = toNextSync; if (Eas.USER_LOG) { log("Next sync for " + name + " in " + nextWait / 1000 + "s"); } mNextWaitReason = "Scheduled sync, " + name; } else if (Eas.USER_LOG) { log("Next sync for " + name + " in " + toNextSync / 1000 + "s"); } } } else { Thread thread = service.mThread; // Look for threads that have died and remove them from the map if (thread != null && !thread.isAlive()) { if (Eas.USER_LOG) { log("Dead thread, mailbox released: " + c.getString(Mailbox.CONTENT_DISPLAY_NAME_COLUMN)); } releaseMailbox(mid); // Restart this if necessary if (nextWait > 3 * SECONDS) { nextWait = 3 * SECONDS; mNextWaitReason = "Clean up dead thread(s)"; } } else { long requestTime = service.mRequestTime; if (requestTime > 0) { long timeToRequest = requestTime - now; if (service instanceof AbstractSyncService && timeToRequest <= 0) { service.mRequestTime = 0; service.alarm(); } else if (requestTime > 0 && timeToRequest < nextWait) { if (timeToRequest < 11 * MINUTES) { nextWait = timeToRequest < 250 ? 250 : timeToRequest; mNextWaitReason = "Sync data change"; } else { log("Illegal timeToRequest: " + timeToRequest); } } } } } } } finally { c.close(); } return nextWait; } static public void serviceRequest(long mailboxId, int reason) { serviceRequest(mailboxId, 5 * SECONDS, reason); } static public void serviceRequest(long mailboxId, long ms, int reason) { SyncManager syncManager = INSTANCE; if (syncManager == null) return; Mailbox m = Mailbox.restoreMailboxWithId(syncManager, mailboxId); // Never allow manual start of Drafts or Outbox via serviceRequest if (m == null || m.mType == Mailbox.TYPE_DRAFTS || m.mType == Mailbox.TYPE_OUTBOX) { log("Ignoring serviceRequest for drafts/outbox/null mailbox"); return; } try { AbstractSyncService service = syncManager.mServiceMap.get(mailboxId); if (service != null) { service.mRequestTime = System.currentTimeMillis() + ms; kick("service request"); } else { startManualSync(mailboxId, reason, null); } } catch (Exception e) { e.printStackTrace(); } } static public void serviceRequestImmediate(long mailboxId) { SyncManager syncManager = INSTANCE; if (syncManager == null) return; AbstractSyncService service = syncManager.mServiceMap.get(mailboxId); if (service != null) { service.mRequestTime = System.currentTimeMillis(); Mailbox m = Mailbox.restoreMailboxWithId(syncManager, mailboxId); if (m != null) { service.mAccount = Account.restoreAccountWithId(syncManager, m.mAccountKey); service.mMailbox = m; kick("service request immediate"); } } } static public void sendMessageRequest(Request req) { SyncManager syncManager = INSTANCE; if (syncManager == null) return; Message msg = Message.restoreMessageWithId(syncManager, req.mMessageId); if (msg == null) { return; } long mailboxId = msg.mMailboxKey; AbstractSyncService service = syncManager.mServiceMap.get(mailboxId); if (service == null) { service = startManualSync(mailboxId, SYNC_SERVICE_PART_REQUEST, req); kick("part request"); } else { service.addRequest(req); } } /** * Determine whether a given Mailbox can be synced, i.e. is not already syncing and is not in * an error state * * @param mailboxId * @return whether or not the Mailbox is available for syncing (i.e. is a valid push target) */ static public int pingStatus(long mailboxId) { SyncManager syncManager = INSTANCE; if (syncManager == null) return PING_STATUS_OK; // Already syncing... if (syncManager.mServiceMap.get(mailboxId) != null) { return PING_STATUS_RUNNING; } // No errors or a transient error, don't ping... SyncError error = syncManager.mSyncErrorMap.get(mailboxId); if (error != null) { if (error.fatal) { return PING_STATUS_UNABLE; } else if (error.holdEndTime > 0) { return PING_STATUS_WAITING; } } return PING_STATUS_OK; } static public AbstractSyncService startManualSync(long mailboxId, int reason, Request req) { SyncManager syncManager = INSTANCE; if (syncManager == null) return null; synchronized (sSyncLock) { if (syncManager.mServiceMap.get(mailboxId) == null) { syncManager.mSyncErrorMap.remove(mailboxId); Mailbox m = Mailbox.restoreMailboxWithId(syncManager, mailboxId); if (m != null) { log("Starting sync for " + m.mDisplayName); syncManager.requestSync(m, reason, req); } } } return syncManager.mServiceMap.get(mailboxId); } // DO NOT CALL THIS IN A LOOP ON THE SERVICEMAP static private void stopManualSync(long mailboxId) { SyncManager syncManager = INSTANCE; if (syncManager == null) return; synchronized (sSyncLock) { AbstractSyncService svc = syncManager.mServiceMap.get(mailboxId); if (svc != null) { log("Stopping sync for " + svc.mMailboxName); svc.stop(); svc.mThread.interrupt(); syncManager.releaseWakeLock(mailboxId); } } } /** * Wake up SyncManager to check for mailboxes needing service */ static public void kick(String reason) { SyncManager syncManager = INSTANCE; if (syncManager != null) { synchronized (syncManager) { //INSTANCE.log("Kick: " + reason); syncManager.mKicked = true; syncManager.notify(); } } if (sConnectivityLock != null) { synchronized (sConnectivityLock) { sConnectivityLock.notify(); } } } static public void accountUpdated(long acctId) { SyncManager syncManager = INSTANCE; if (syncManager == null) return; synchronized (sSyncLock) { for (AbstractSyncService svc : syncManager.mServiceMap.values()) { if (svc.mAccount.mId == acctId) { svc.mAccount = Account.restoreAccountWithId(syncManager, acctId); } } } } /** * Tell SyncManager to remove the mailbox from the map of mailboxes with sync errors * @param mailboxId the id of the mailbox */ static public void removeFromSyncErrorMap(long mailboxId) { SyncManager syncManager = INSTANCE; if (syncManager == null) return; synchronized (sSyncLock) { syncManager.mSyncErrorMap.remove(mailboxId); } } /** * Sent by services indicating that their thread is finished; action depends on the exitStatus * of the service. * * @param svc the service that is finished */ static public void done(AbstractSyncService svc) { SyncManager syncManager = INSTANCE; if (syncManager == null) return; synchronized (sSyncLock) { long mailboxId = svc.mMailboxId; HashMap<Long, SyncError> errorMap = syncManager.mSyncErrorMap; SyncError syncError = errorMap.get(mailboxId); syncManager.releaseMailbox(mailboxId); int exitStatus = svc.mExitStatus; switch (exitStatus) { case AbstractSyncService.EXIT_DONE: if (!svc.mRequests.isEmpty()) { // TODO Handle this case } errorMap.remove(mailboxId); // If we've had a successful sync, clear the shutdown count synchronized (SyncManager.class) { sClientConnectionManagerShutdownCount = 0; } break; // I/O errors get retried at increasing intervals case AbstractSyncService.EXIT_IO_ERROR: Mailbox m = Mailbox.restoreMailboxWithId(syncManager, mailboxId); if (m == null) return; if (syncError != null) { syncError.escalate(); log(m.mDisplayName + " held for " + syncError.holdDelay + "ms"); } else { errorMap.put(mailboxId, syncManager.new SyncError(exitStatus, false)); log(m.mDisplayName + " added to syncErrorMap, hold for 15s"); } break; // These errors are not retried automatically case AbstractSyncService.EXIT_SECURITY_FAILURE: case AbstractSyncService.EXIT_LOGIN_FAILURE: case AbstractSyncService.EXIT_EXCEPTION: errorMap.put(mailboxId, syncManager.new SyncError(exitStatus, true)); break; } kick("sync completed"); } } /** * Given the status string from a Mailbox, return the type code for the last sync * @param status the syncStatus column of a Mailbox * @return */ static public int getStatusType(String status) { if (status == null) { return -1; } else { return status.charAt(STATUS_TYPE_CHAR) - '0'; } } /** * Given the status string from a Mailbox, return the change count for the last sync * The change count is the number of adds + deletes + changes in the last sync * @param status the syncStatus column of a Mailbox * @return */ static public int getStatusChangeCount(String status) { try { String s = status.substring(STATUS_CHANGE_COUNT_OFFSET); return Integer.parseInt(s); } catch (RuntimeException e) { return -1; } } static public Context getContext() { return INSTANCE; } public static String getPassword(String uuid) { return uuid.substring((uuid.length() / 2)); } public static void setValidationKeyStore(KeyStore keyStore) { validationKeyStore = keyStore; } }