Upstream oodles of Chrome for Android code into Chromium.

chrome/android/java_staging/src/org/chromium/chrome/browser/crash/MinidumpUploadService.java

Index: chrome/android/java_staging/src/org/chromium/chrome/browser/crash/MinidumpUploadService.java
diff --git a/chrome/android/java_staging/src/org/chromium/chrome/browser/crash/MinidumpUploadService.java b/chrome/android/java_staging/src/org/chromium/chrome/browser/crash/MinidumpUploadService.java
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index 0000000000000000000000000000000000000000..5c0a17a11c3ff7830b2b17d86c8571969801961a
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@@ -0,0 +1,265 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.chrome.browser.crash;
+
+import android.app.IntentService;
+import android.content.Context;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.os.AsyncTask;
+import android.preference.PreferenceManager;
+import android.util.Log;
+
+import org.chromium.base.VisibleForTesting;
+import org.chromium.base.metrics.RecordUserAction;
+import org.chromium.chrome.browser.preferences.ChromePreferenceManager;
+import org.chromium.chrome.browser.preferences.privacy.PrivacyPreferencesManager;
+
+import java.io.File;
+
+/**
+ * Service that is responsible for uploading crash minidumps to the Google crash server.
+ */
+public class MinidumpUploadService extends IntentService {
+
+    private static final String TAG = "MinidumpUploadService";
+
+    // Intent actions
+    private static final String ACTION_FIND_LAST =
+            "com.google.android.apps.chrome.crash.ACTION_FIND_LAST";
+    @VisibleForTesting
+    static final String ACTION_FIND_ALL =
+            "com.google.android.apps.chrome.crash.ACTION_FIND_ALL";
+    @VisibleForTesting
+    static final String ACTION_UPLOAD =
+            "com.google.android.apps.chrome.crash.ACTION_UPLOAD";
+
+    // Intent bundle keys
+    @VisibleForTesting
+    static final String FILE_TO_UPLOAD_KEY = "minidump_file";
+    static final String UPLOAD_LOG_KEY = "upload_log";
+
+    /**
+     * The number of times we will try to upload a crash.
+     */
+    @VisibleForTesting
+    static final int MAX_TRIES_ALLOWED = 3;
+
+    public MinidumpUploadService() {
+        super(TAG);
+        setIntentRedelivery(true);
+    }
+
+    @Override
+    public void onCreate() {
+        super.onCreate();
+        if (isMiniDumpCleanNeeded()) {
+            final CrashFileManager crashFileManager =
+                    new CrashFileManager(getApplicationContext().getCacheDir());
+            // Cleaning minidumps in a background not to block the Ui thread.
+            // NOTE: {@link CrashFileManager#cleanAllMiniDumps()} is not thread-safe and can
+            // possibly result in race condition by calling from multiple threads. However, this
+            // should only result in warning messages in logs.
+            new AsyncTask<Void, Void, Void>() {
+                @Override
+                protected Void doInBackground(Void... params) {
+                    crashFileManager.cleanAllMiniDumps();
+                    return null;
+                }
+            }.execute();
+        }
+    }
+
+    @Override
+    protected void onHandleIntent(Intent intent) {
+        if (intent == null) return;
+        if (ACTION_FIND_LAST.equals(intent.getAction())) {
+            handleFindAndUploadLastCrash(intent);
+        } else if (ACTION_FIND_ALL.equals(intent.getAction())) {
+            handleFindAndUploadAllCrashes();
+        } else if (ACTION_UPLOAD.equals(intent.getAction())) {
+            handleUploadCrash(intent);
+        } else {
+            Log.w(TAG, "Got unknown action from intent: " + intent.getAction());
+        }
+    }
+
+    /**
+     * Creates an intent that when started will find the last created minidump,
+     * and try to upload it.
+     *
+     * @param context the context to use for the intent.
+     * @return an Intent to use to start the service.
+     */
+    public static Intent createFindAndUploadLastCrashIntent(Context context) {
+        Intent intent = new Intent(context, MinidumpUploadService.class);
+        intent.setAction(ACTION_FIND_LAST);
+        return intent;
+    }
+
+    public static void storeBreakpadUploadAttemptsInUma(ChromePreferenceManager pref) {
+        for (int success = pref.getBreakpadUploadSuccessCount(); success > 0; success--) {
+            RecordUserAction.record("MobileBreakpadUploadSuccess");
+        }
+
+        for (int fail = pref.getBreakpadUploadFailCount(); fail > 0; fail--) {
+            RecordUserAction.record("MobileBreakpadUploadFail");
+        }
+
+        pref.setBreakpadUploadSuccessCount(0);
+        pref.setBreakpadUploadFailCount(0);
+    }
+
+    private void handleFindAndUploadLastCrash(Intent intent) {
+        CrashFileManager fileManager = new CrashFileManager(getApplicationContext().getCacheDir());
+        File[] minidumpFiles = fileManager.getAllMinidumpFilesSorted();
+        if (minidumpFiles.length == 0) {
+            // Try again later. Maybe the minidump hasn't finished being written.
+            Log.d(TAG, "Could not find any crash dumps to upload");
+            return;
+        }
+        File minidumpFile = minidumpFiles[0];
+        File logfile = fileManager.getCrashUploadLogFile();
+        Intent uploadIntent = createUploadIntent(getApplicationContext(), minidumpFile, logfile);
+        startService(uploadIntent);
+    }
+
+    /**
+     * Creates an intent that when started will find all minidumps, and try to upload them.
+     *
+     * @param context the context to use for the intent.
+     * @return an Intent to use to start the service.
+     */
+    @VisibleForTesting
+    static Intent createFindAndUploadAllCrashesIntent(Context context) {
+        Intent intent = new Intent(context, MinidumpUploadService.class);
+        intent.setAction(ACTION_FIND_ALL);
+        return intent;
+    }
+
+    private void handleFindAndUploadAllCrashes() {
+        CrashFileManager fileManager = new CrashFileManager(getApplicationContext().getCacheDir());
+        File[] minidumps = fileManager.getAllMinidumpFiles();
+        File logfile = fileManager.getCrashUploadLogFile();
+        Log.i(TAG, "Attempting to upload accumulated crash dumps.");
+        for (File minidump : minidumps) {
+            Intent uploadIntent = createUploadIntent(getApplicationContext(), minidump, logfile);
+            startService(uploadIntent);
+        }
+    }
+
+    /**
+     * Creates an intent that when started will find all minidumps, and try to upload them.
+     *
+     * @param minidumpFile the minidump file to upload.
+     * @return an Intent to use to start the service.
+     */
+    @VisibleForTesting
+    public static Intent createUploadIntent(Context context, File minidumpFile, File logfile) {
+        Intent intent = new Intent(context, MinidumpUploadService.class);
+        intent.setAction(ACTION_UPLOAD);
+        intent.putExtra(FILE_TO_UPLOAD_KEY, minidumpFile.getAbsolutePath());
+        intent.putExtra(UPLOAD_LOG_KEY, logfile.getAbsolutePath());
+        return intent;
+    }
+
+    private void handleUploadCrash(Intent intent) {
+        String minidumpFileName = intent.getStringExtra(FILE_TO_UPLOAD_KEY);
+        if (minidumpFileName == null || minidumpFileName.isEmpty()) {
+            Log.w(TAG, "Cannot upload crash data since minidump is absent.");
+            return;
+        }
+        File minidumpFile = new File(minidumpFileName);
+        if (!minidumpFile.isFile()) {
+            Log.w(TAG, "Cannot upload crash data since specified minidump "
+                    + minidumpFileName + "is not present.");
+            return;
+        }
+        int tries = CrashFileManager.readAttemptNumber(minidumpFileName);
+        if (tries == -1 || tries >= MAX_TRIES_ALLOWED) {
+            ChromePreferenceManager.getInstance(this).incrementBreakpadUploadFailCount();
+            Log.d(TAG, "Giving up on trying to upload " + minidumpFileName + " after "
+                    + tries + " attempts");
+            return;
+        }
+
+        String logfileName = intent.getStringExtra(UPLOAD_LOG_KEY);
+        File logfile = new File(logfileName);
+
+        // Try to upload minidump
+        MinidumpUploadCallable minidumpUploadCallable =
+                createMinidumpUploadCallable(minidumpFile, logfile);
+        boolean success = minidumpUploadCallable.call();
+
+        if (success) {
+            ChromePreferenceManager.getInstance(this).incrementBreakpadUploadSuccessCount();
+        } else {
+            // Unable to upload minidump. Incrementing try number and restarting.
+
+            // Only create another attempt if we have successfully renamed
+            // the file.
+            String newName = CrashFileManager.tryIncrementAttemptNumber(minidumpFile);
+            tries++;
+            if (newName != null && tries < MAX_TRIES_ALLOWED) {
+                // TODO(nyquist): Do this as an exponential backoff.
+                MinidumpUploadRetry.scheduleRetry(getApplicationContext());
+            } else {
+                Log.w(TAG, "Failed to rename minidump " + minidumpFileName);
+            }
+        }
+    }
+
+    /**
+     * Factory method for creating minidump callables.
+     *
+     * This may be overridden for tests.
+     *
+     * @param minidumpFile the File to upload.
+     * @param logfile the Log file to write to upon successful uploads.
+     * @return a new MinidumpUploadCallable.
+     */
+    @VisibleForTesting
+    MinidumpUploadCallable createMinidumpUploadCallable(File minidumpFile, File logfile) {
+        return new MinidumpUploadCallable(minidumpFile, logfile, getApplicationContext());
+    }
+
+    /**
+     * Attempts to upload all minidump files  using the given {@link android.content.Context}.
+     *
+     * Note that this method is asynchronous. All that is guaranteed is that
+     * upload attempts will be enqueued.
+     *
+     * This method is safe to call from the UI thread.
+     *
+     * @param context Context of the application.
+     */
+    public static void tryUploadAllCrashDumps(Context context) {
+        Intent findAndUploadAllCrashesIntent = createFindAndUploadAllCrashesIntent(context);
+        context.startService(findAndUploadAllCrashesIntent);
+    }
+
+    /**
+     * Checks whether it is the first time restrictions for cellular uploads should apply. Is used
+     * to determine whether unsent crash uploads should be deleted which should happen only once.
+     */
+    @VisibleForTesting
+    protected boolean isMiniDumpCleanNeeded() {
+        SharedPreferences sharedPreferences =
+                PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
+
+        // If cellular upload logic is enabled and the preference used for that is not initialized
+        // then this is the first time that logic is enabled.
+        boolean cleanNeeded =
+                !sharedPreferences.contains(MinidumpUploadCallable.PREF_LAST_UPLOAD_DAY)
+                && PrivacyPreferencesManager.getInstance(getApplicationContext()).isUploadLimited();
+
+        // Initialize the preference with default value to make sure the above check works only
+        // once.
+        if (cleanNeeded) {
+            sharedPreferences.edit().putInt(MinidumpUploadCallable.PREF_LAST_UPLOAD_DAY, 0).apply();
+        }
+        return cleanNeeded;
+    }
+}