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/*
* Copyright (C) 2012 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.inputmethod.research;
import android.Manifest;
import android.app.AlarmManager;
import android.app.IntentService;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.pm.PackageManager;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.BatteryManager;
import android.os.Bundle;
import android.util.Log;
import com.android.inputmethod.latin.R;
import com.android.inputmethod.latin.define.ProductionFlag;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileFilter;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
public final class UploaderService extends IntentService {
private static final String TAG = UploaderService.class.getSimpleName();
private static final boolean DEBUG = false && ProductionFlag.IS_EXPERIMENTAL_DEBUG;
// Set IS_INHIBITING_AUTO_UPLOAD to true for local testing
private static final boolean IS_INHIBITING_AUTO_UPLOAD = false
&& ProductionFlag.IS_EXPERIMENTAL_DEBUG; // Force false in production
public static final long RUN_INTERVAL = AlarmManager.INTERVAL_HOUR;
public static final String EXTRA_UPLOAD_UNCONDITIONALLY = UploaderService.class.getName()
+ ".extra.UPLOAD_UNCONDITIONALLY";
private static final int BUF_SIZE = 1024 * 8;
protected static final int TIMEOUT_IN_MS = 1000 * 4;
private boolean mCanUpload;
private File mFilesDir;
private URL mUrl;
public UploaderService() {
super("Research Uploader Service");
}
@Override
public void onCreate() {
super.onCreate();
mCanUpload = false;
mFilesDir = null;
mUrl = null;
final PackageManager packageManager = getPackageManager();
final boolean hasPermission = packageManager.checkPermission(Manifest.permission.INTERNET,
getPackageName()) == PackageManager.PERMISSION_GRANTED;
if (!hasPermission) {
return;
}
try {
final String urlString = getString(R.string.research_logger_upload_url);
if (urlString == null || urlString.equals("")) {
return;
}
mFilesDir = getFilesDir();
mUrl = new URL(urlString);
mCanUpload = true;
} catch (MalformedURLException e) {
e.printStackTrace();
}
}
@Override
protected void onHandleIntent(Intent intent) {
if (!mCanUpload) {
return;
}
boolean isUploadingUnconditionally = false;
Bundle bundle = intent.getExtras();
if (bundle != null && bundle.containsKey(EXTRA_UPLOAD_UNCONDITIONALLY)) {
isUploadingUnconditionally = bundle.getBoolean(EXTRA_UPLOAD_UNCONDITIONALLY);
}
doUpload(isUploadingUnconditionally);
}
private boolean isExternallyPowered() {
final Intent intent = registerReceiver(null, new IntentFilter(
Intent.ACTION_BATTERY_CHANGED));
final int pluggedState = intent.getIntExtra(BatteryManager.EXTRA_PLUGGED, -1);
return pluggedState == BatteryManager.BATTERY_PLUGGED_AC
|| pluggedState == BatteryManager.BATTERY_PLUGGED_USB;
}
private boolean hasWifiConnection() {
final ConnectivityManager manager =
(ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
final NetworkInfo wifiInfo = manager.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
return wifiInfo.isConnected();
}
private void doUpload(final boolean isUploadingUnconditionally) {
if (!isUploadingUnconditionally && (!isExternallyPowered() || !hasWifiConnection()
|| IS_INHIBITING_AUTO_UPLOAD)) {
return;
}
if (mFilesDir == null) {
return;
}
final File[] files = mFilesDir.listFiles(new FileFilter() {
@Override
public boolean accept(File pathname) {
return pathname.getName().startsWith(ResearchLogger.LOG_FILENAME_PREFIX)
&& !pathname.canWrite();
}
});
boolean success = true;
if (files.length == 0) {
success = false;
}
for (final File file : files) {
if (!uploadFile(file)) {
success = false;
}
}
}
private boolean uploadFile(File file) {
if (DEBUG) {
Log.d(TAG, "attempting upload of " + file.getAbsolutePath());
}
boolean success = false;
final int contentLength = (int) file.length();
HttpURLConnection connection = null;
InputStream fileInputStream = null;
try {
fileInputStream = new FileInputStream(file);
connection = (HttpURLConnection) mUrl.openConnection();
connection.setRequestMethod("PUT");
connection.setDoOutput(true);
connection.setFixedLengthStreamingMode(contentLength);
final OutputStream os = connection.getOutputStream();
final byte[] buf = new byte[BUF_SIZE];
int numBytesRead;
while ((numBytesRead = fileInputStream.read(buf)) != -1) {
os.write(buf, 0, numBytesRead);
if (DEBUG) {
Log.d(TAG, new String(buf));
}
}
if (connection.getResponseCode() != HttpURLConnection.HTTP_OK) {
Log.d(TAG, "upload failed: " + connection.getResponseCode());
InputStream netInputStream = connection.getInputStream();
BufferedReader reader = new BufferedReader(new InputStreamReader(netInputStream));
String line;
while ((line = reader.readLine()) != null) {
Log.d(TAG, "| " + reader.readLine());
}
reader.close();
return success;
}
file.delete();
success = true;
if (DEBUG) {
Log.d(TAG, "upload successful");
}
} catch (Exception e) {
e.printStackTrace();
} finally {
if (fileInputStream != null) {
try {
fileInputStream.close();
} catch (IOException e) {
e.printStackTrace();
}
}
if (connection != null) {
connection.disconnect();
}
}
return success;
}
}
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