PingTask.java revision 3eef378426c7c88608f53f5a268baed40259ccf6
1/* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.exchange.service; 18 19import android.content.Context; 20import android.os.AsyncTask; 21import android.util.Log; 22 23import com.android.emailcommon.provider.Account; 24import com.android.exchange.Eas; 25import com.android.exchange.adapter.PingParser; 26import com.android.exchange.eas.EasPing; 27 28/** 29 * Thread management class for Ping operations. 30 */ 31public class PingTask extends AsyncTask<Void, Void, Void> { 32 private final EasPing mOperation; 33 private final EmailSyncAdapterService.SyncHandlerSynchronizer mSyncHandlerMap; 34 35 private static final String TAG = Eas.LOG_TAG; 36 37 public PingTask(final Context context, final Account account, 38 final android.accounts.Account amAccount, 39 final EmailSyncAdapterService.SyncHandlerSynchronizer syncHandlerMap) { 40 mOperation = new EasPing(context, account, amAccount); 41 mSyncHandlerMap = syncHandlerMap; 42 } 43 44 /** Start the ping loop. */ 45 public void start() { 46 executeOnExecutor(THREAD_POOL_EXECUTOR); 47 } 48 49 /** Abort the ping loop (used when another operation interrupts the ping). */ 50 public void stop() { 51 mOperation.abort(); 52 } 53 54 /** Restart the ping loop (used when a ping request happens during a ping). */ 55 public void restart() { 56 mOperation.restart(); 57 } 58 59 @Override 60 protected Void doInBackground(Void... params) { 61 Log.i(TAG, "Ping task starting"); 62 int pingStatus; 63 do { 64 pingStatus = mOperation.doPing(); 65 } while (PingParser.shouldPingAgain(pingStatus)); 66 Log.i(TAG, "Ping task ending with status: " + pingStatus); 67 68 mSyncHandlerMap.pingComplete(mOperation.getAmAccount(), mOperation.getAccountId(), 69 pingStatus); 70 return null; 71 } 72} 73