mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
900 lines
35 KiB
Java
900 lines
35 KiB
Java
/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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package org.mozilla.gecko.health;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.OutputStreamWriter;
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import java.nio.charset.Charset;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Collections;
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import java.util.HashSet;
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import java.util.Iterator;
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import java.util.Scanner;
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import java.util.Set;
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import java.util.concurrent.atomic.AtomicBoolean;
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import org.json.JSONException;
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import org.json.JSONObject;
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import org.mozilla.gecko.AppConstants;
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import org.mozilla.gecko.Distribution;
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import org.mozilla.gecko.Distribution.DistributionDescriptor;
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import org.mozilla.gecko.EventDispatcher;
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import org.mozilla.gecko.GeckoApp;
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import org.mozilla.gecko.GeckoAppShell;
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import org.mozilla.gecko.GeckoEvent;
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import org.mozilla.gecko.background.healthreport.EnvironmentBuilder;
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import org.mozilla.gecko.background.healthreport.HealthReportDatabaseStorage;
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import org.mozilla.gecko.background.healthreport.HealthReportStorage.Field;
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import org.mozilla.gecko.background.healthreport.HealthReportStorage.MeasurementFields;
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import org.mozilla.gecko.background.healthreport.ProfileInformationCache;
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import org.mozilla.gecko.util.GeckoEventListener;
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import org.mozilla.gecko.util.ThreadUtils;
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import android.content.ContentProviderClient;
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import android.content.Context;
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import android.content.SharedPreferences;
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import android.util.Log;
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/**
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* BrowserHealthRecorder is the browser's interface to the Firefox Health
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* Report storage system. It manages environments (a collection of attributes
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* that are tracked longitudinally) on the browser's behalf, exposing a simpler
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* interface for recording changes.
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*
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* Keep an instance of this class around.
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*
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* Tell it when an environment attribute has changed: call {@link
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* #onAppLocaleChanged(String)} followed by {@link
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* #onEnvironmentChanged()}.
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*
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* Use it to record events: {@link #recordSearch(String, String)}.
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*
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* Shut it down when you're done being a browser: {@link #close()}.
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*/
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public class BrowserHealthRecorder implements HealthRecorder, GeckoEventListener {
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private static final String LOG_TAG = "GeckoHealthRec";
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private static final String PREF_ACCEPT_LANG = "intl.accept_languages";
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private static final String PREF_BLOCKLIST_ENABLED = "extensions.blocklist.enabled";
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private static final String EVENT_SNAPSHOT = "HealthReport:Snapshot";
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private static final String EVENT_ADDONS_CHANGE = "Addons:Change";
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private static final String EVENT_ADDONS_UNINSTALLING = "Addons:Uninstalling";
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private static final String EVENT_PREF_CHANGE = "Pref:Change";
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// This is raised from Gecko and signifies a search via the URL bar (not a bookmarks keyword
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// search). Using this event (rather than passing the invocation location as an arg) avoids
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// browser.js having to know about the invocation location.
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public static final String EVENT_KEYWORD_SEARCH = "Search:Keyword";
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// This is raised from Java. We include the location in the message.
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public static final String EVENT_SEARCH = "Search:Event";
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public enum State {
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NOT_INITIALIZED,
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INITIALIZING,
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INITIALIZED,
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INITIALIZATION_FAILED,
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CLOSED
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}
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protected volatile State state = State.NOT_INITIALIZED;
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private final AtomicBoolean orphanChecked = new AtomicBoolean(false);
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private volatile int env = -1;
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private ContentProviderClient client;
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private volatile HealthReportDatabaseStorage storage;
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private final ProfileInformationCache profileCache;
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private final EventDispatcher dispatcher;
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// We track previousSession to avoid order-of-initialization confusion. We
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// accept it in the constructor, and process it after init.
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private final SessionInformation previousSession;
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private volatile SessionInformation session = null;
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public void setCurrentSession(SessionInformation session) {
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this.session = session;
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}
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public void recordGeckoStartupTime(long duration) {
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if (this.session == null) {
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return;
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}
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this.session.setTimedGeckoStartup(duration);
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}
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public void recordJavaStartupTime(long duration) {
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if (this.session == null) {
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return;
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}
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this.session.setTimedJavaStartup(duration);
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}
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/**
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* Persist the opaque identifier for the current Firefox Health Report environment.
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* This changes in certain circumstances; be sure to use the current value when recording data.
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*/
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private void setHealthEnvironment(final int env) {
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this.env = env;
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}
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/**
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* This constructor does IO. Run it on a background thread.
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*
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* appLocale can be null, which indicates that it will be provided later.
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*/
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public BrowserHealthRecorder(final Context context,
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final String profilePath,
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final EventDispatcher dispatcher,
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final String osLocale,
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final String appLocale,
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SessionInformation previousSession) {
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Log.d(LOG_TAG, "Initializing. Dispatcher is " + dispatcher);
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this.dispatcher = dispatcher;
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this.previousSession = previousSession;
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this.client = EnvironmentBuilder.getContentProviderClient(context);
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if (this.client == null) {
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throw new IllegalStateException("Could not fetch Health Report content provider.");
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}
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this.storage = EnvironmentBuilder.getStorage(this.client, profilePath);
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if (this.storage == null) {
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// Stick around even if we don't have storage: eventually we'll
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// want to report total failures of FHR storage itself, and this
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// way callers don't need to worry about whether their health
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// recorder didn't initialize.
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this.client.release();
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this.client = null;
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}
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// Note that the PIC is not necessarily fully initialized at this point:
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// we haven't set the app locale. This must be done before an environment
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// is recorded.
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this.profileCache = new ProfileInformationCache(profilePath);
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try {
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this.initialize(context, profilePath, osLocale, appLocale);
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} catch (Exception e) {
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Log.e(LOG_TAG, "Exception initializing.", e);
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}
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}
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public boolean isEnabled() {
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return true;
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}
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/**
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* Shut down database connections, unregister event listeners, and perform
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* provider-specific uninitialization.
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*/
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public synchronized void close() {
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switch (this.state) {
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case CLOSED:
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Log.w(LOG_TAG, "Ignoring attempt to double-close closed BrowserHealthRecorder.");
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return;
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case INITIALIZED:
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Log.i(LOG_TAG, "Closing Health Report client.");
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break;
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default:
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Log.i(LOG_TAG, "Closing incompletely initialized BrowserHealthRecorder.");
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}
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this.state = State.CLOSED;
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this.unregisterEventListeners();
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// Add any necessary provider uninitialization here.
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this.storage = null;
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if (this.client != null) {
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this.client.release();
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this.client = null;
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}
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}
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private void unregisterEventListeners() {
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this.dispatcher.unregisterEventListener(EVENT_SNAPSHOT, this);
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this.dispatcher.unregisterEventListener(EVENT_ADDONS_CHANGE, this);
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this.dispatcher.unregisterEventListener(EVENT_ADDONS_UNINSTALLING, this);
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this.dispatcher.unregisterEventListener(EVENT_PREF_CHANGE, this);
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this.dispatcher.unregisterEventListener(EVENT_KEYWORD_SEARCH, this);
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this.dispatcher.unregisterEventListener(EVENT_SEARCH, this);
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}
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public void onAppLocaleChanged(String to) {
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Log.d(LOG_TAG, "Setting health recorder app locale to " + to);
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this.profileCache.beginInitialization();
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this.profileCache.setAppLocale(to);
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}
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public void onAddonChanged(String id, JSONObject json) {
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this.profileCache.beginInitialization();
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try {
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this.profileCache.updateJSONForAddon(id, json);
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} catch (IllegalStateException e) {
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Log.w(LOG_TAG, "Attempted to update add-on cache prior to full init.", e);
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}
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}
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public void onAddonUninstalling(String id) {
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this.profileCache.beginInitialization();
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try {
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this.profileCache.removeAddon(id);
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} catch (IllegalStateException e) {
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Log.w(LOG_TAG, "Attempted to update add-on cache prior to full init.", e);
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}
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}
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/**
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* Call this when a material change might have occurred in the running
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* environment, such that a new environment should be computed and prepared
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* for use in future events.
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*
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* Invoke this method after calls that mutate the environment.
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*
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* If this change resulted in a transition between two environments, {@link
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* #onEnvironmentTransition(int, int, boolean, String)} will be invoked on the background
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* thread.
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*/
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public synchronized void onEnvironmentChanged() {
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onEnvironmentChanged(true, "E");
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}
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/**
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* If `startNewSession` is false, it means no new session should begin
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* (e.g., because we're about to restart, and we don't want to create
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* an orphan).
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*/
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public synchronized void onEnvironmentChanged(final boolean startNewSession, final String sessionEndReason) {
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final int previousEnv = this.env;
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this.env = -1;
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try {
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profileCache.completeInitialization();
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} catch (java.io.IOException e) {
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Log.e(LOG_TAG, "Error completing profile cache initialization.", e);
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this.state = State.INITIALIZATION_FAILED;
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return;
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}
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final int updatedEnv = ensureEnvironment();
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if (updatedEnv == -1 ||
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updatedEnv == previousEnv) {
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Log.v(LOG_TAG, "Environment didn't change.");
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return;
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}
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ThreadUtils.postToBackgroundThread(new Runnable() {
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@Override
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public void run() {
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try {
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onEnvironmentTransition(previousEnv, updatedEnv, startNewSession, sessionEndReason);
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} catch (Exception e) {
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Log.w(LOG_TAG, "Could not record environment transition.", e);
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}
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}
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});
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}
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protected synchronized int ensureEnvironment() {
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if (!(state == State.INITIALIZING ||
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state == State.INITIALIZED)) {
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throw new IllegalStateException("Not initialized.");
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}
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if (this.env != -1) {
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return this.env;
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}
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if (this.storage == null) {
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// Oh well.
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return -1;
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}
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return this.env = EnvironmentBuilder.registerCurrentEnvironment(this.storage,
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this.profileCache);
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}
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private static final String getTimesPath(final String profilePath) {
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return profilePath + File.separator + "times.json";
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}
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/**
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* Retrieve the stored profile creation time from the profile directory.
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*
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* @return the <code>created</code> value from the times.json file, or -1 on failure.
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*/
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protected static long getProfileInitTimeFromFile(final String profilePath) {
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final File times = new File(getTimesPath(profilePath));
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Log.d(LOG_TAG, "Looking for " + times.getAbsolutePath());
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if (!times.exists()) {
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return -1;
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}
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Log.d(LOG_TAG, "Using times.json for profile creation time.");
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Scanner scanner = null;
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try {
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scanner = new Scanner(times, "UTF-8");
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final String contents = scanner.useDelimiter("\\A").next();
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return new JSONObject(contents).getLong("created");
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} catch (Exception e) {
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// There are assorted reasons why this might occur, but we
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// don't care. Move on.
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Log.w(LOG_TAG, "Failed to read times.json.", e);
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} finally {
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if (scanner != null) {
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scanner.close();
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}
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}
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return -1;
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}
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/**
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* Only works on API 9 and up.
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*
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* @return the package install time, or -1 if an error occurred.
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*/
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protected static long getPackageInstallTime(final Context context) {
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if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.GINGERBREAD) {
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return -1;
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}
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try {
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return context.getPackageManager().getPackageInfo(AppConstants.ANDROID_PACKAGE_NAME, 0).firstInstallTime;
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} catch (android.content.pm.PackageManager.NameNotFoundException e) {
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Log.e(LOG_TAG, "Unable to fetch our own package info. This should never occur.", e);
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}
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return -1;
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}
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private static long getProfileInitTimeHeuristic(final Context context, final String profilePath) {
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// As a pretty good shortcut, settle for installation time.
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// In all recent Firefox profiles, times.json should exist.
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final long time = getPackageInstallTime(context);
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if (time != -1) {
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return time;
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}
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// Otherwise, fall back to the filesystem.
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// We'll settle for the modification time of the profile directory.
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Log.d(LOG_TAG, "Using profile directory modified time as proxy for profile creation time.");
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return new File(profilePath).lastModified();
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}
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private static long getAndPersistProfileInitTime(final Context context, final String profilePath) {
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// Let's look in the profile.
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long time = getProfileInitTimeFromFile(profilePath);
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if (time > 0) {
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Log.d(LOG_TAG, "Incorporating environment: times.json profile creation = " + time);
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return time;
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}
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// Otherwise, we need to compute a valid creation time and write it out.
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time = getProfileInitTimeHeuristic(context, profilePath);
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if (time > 0) {
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// Write out a stub times.json.
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try {
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FileOutputStream stream = new FileOutputStream(getTimesPath(profilePath));
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OutputStreamWriter writer = new OutputStreamWriter(stream, Charset.forName("UTF-8"));
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try {
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writer.append("{\"created\": " + time + "}\n");
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} finally {
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writer.close();
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}
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} catch (Exception e) {
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// Best-effort.
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Log.w(LOG_TAG, "Couldn't write times.json.", e);
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}
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}
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Log.d(LOG_TAG, "Incorporating environment: profile creation = " + time);
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return time;
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}
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private void onPrefMessage(final String pref, final JSONObject message) {
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Log.d(LOG_TAG, "Incorporating environment: " + pref);
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if (PREF_ACCEPT_LANG.equals(pref)) {
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// We only record whether this is user-set.
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try {
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this.profileCache.beginInitialization();
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this.profileCache.setAcceptLangUserSet(message.getBoolean("isUserSet"));
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} catch (JSONException ex) {
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Log.w(LOG_TAG, "Unexpected JSONException fetching isUserSet for " + pref);
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}
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return;
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}
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// (We only handle boolean prefs right now.)
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try {
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boolean value = message.getBoolean("value");
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if (AppConstants.TELEMETRY_PREF_NAME.equals(pref)) {
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this.profileCache.beginInitialization();
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this.profileCache.setTelemetryEnabled(value);
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return;
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}
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if (PREF_BLOCKLIST_ENABLED.equals(pref)) {
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this.profileCache.beginInitialization();
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this.profileCache.setBlocklistEnabled(value);
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return;
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}
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} catch (JSONException ex) {
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Log.w(LOG_TAG, "Unexpected JSONException fetching boolean value for " + pref);
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return;
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}
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Log.w(LOG_TAG, "Unexpected pref: " + pref);
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}
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/**
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* Background init helper.
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*/
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private void initializeStorage() {
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Log.d(LOG_TAG, "Done initializing profile cache. Beginning storage init.");
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final BrowserHealthRecorder self = this;
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ThreadUtils.postToBackgroundThread(new Runnable() {
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@Override
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public void run() {
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synchronized (self) {
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if (state != State.INITIALIZING) {
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Log.w(LOG_TAG, "Unexpected state during init: " + state);
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return;
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}
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// Belt and braces.
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if (storage == null) {
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Log.w(LOG_TAG, "Storage is null during init; shutting down?");
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if (state == State.INITIALIZING) {
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state = State.INITIALIZATION_FAILED;
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}
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return;
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}
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try {
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storage.beginInitialization();
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} catch (Exception e) {
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Log.e(LOG_TAG, "Failed to init storage.", e);
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state = State.INITIALIZATION_FAILED;
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return;
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}
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try {
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// Listen for add-ons and prefs changes.
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dispatcher.registerEventListener(EVENT_ADDONS_UNINSTALLING, self);
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dispatcher.registerEventListener(EVENT_ADDONS_CHANGE, self);
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dispatcher.registerEventListener(EVENT_PREF_CHANGE, self);
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// Initialize each provider here.
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initializeSessionsProvider();
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initializeSearchProvider();
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Log.d(LOG_TAG, "Ensuring environment.");
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ensureEnvironment();
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Log.d(LOG_TAG, "Finishing init.");
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storage.finishInitialization();
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state = State.INITIALIZED;
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} catch (Exception e) {
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state = State.INITIALIZATION_FAILED;
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storage.abortInitialization();
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Log.e(LOG_TAG, "Initialization failed.", e);
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return;
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}
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// Now do whatever we do after we start up.
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checkForOrphanSessions();
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}
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}
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});
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}
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/**
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* Add provider-specific initialization in this method.
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*/
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private synchronized void initialize(final Context context,
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final String profilePath,
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final String osLocale,
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final String appLocale)
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throws java.io.IOException {
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Log.d(LOG_TAG, "Initializing profile cache.");
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this.state = State.INITIALIZING;
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// If we can restore state from last time, great.
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if (this.profileCache.restoreUnlessInitialized()) {
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this.profileCache.updateLocales(osLocale, appLocale);
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this.profileCache.completeInitialization();
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Log.d(LOG_TAG, "Successfully restored state. Initializing storage.");
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initializeStorage();
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return;
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}
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// Otherwise, let's initialize it from scratch.
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this.profileCache.beginInitialization();
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this.profileCache.setProfileCreationTime(getAndPersistProfileInitTime(context, profilePath));
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this.profileCache.setOSLocale(osLocale);
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this.profileCache.setAppLocale(appLocale);
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// Because the distribution lookup can take some time, do it at the end of
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// our background startup work, along with the Gecko snapshot fetch.
|
|
final GeckoEventListener self = this;
|
|
ThreadUtils.postToBackgroundThread(new Runnable() {
|
|
@Override
|
|
public void run() {
|
|
final DistributionDescriptor desc = new Distribution(context).getDescriptor();
|
|
if (desc != null && desc.valid) {
|
|
profileCache.setDistributionString(desc.id, desc.version);
|
|
}
|
|
Log.d(LOG_TAG, "Requesting all add-ons and FHR prefs from Gecko.");
|
|
dispatcher.registerEventListener(EVENT_SNAPSHOT, self);
|
|
GeckoAppShell.sendEventToGecko(GeckoEvent.createBroadcastEvent("HealthReport:RequestSnapshot", null));
|
|
}
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Invoked in the background whenever the environment transitions between
|
|
* two valid values.
|
|
*/
|
|
protected void onEnvironmentTransition(int prev, int env, boolean startNewSession, String sessionEndReason) {
|
|
if (this.state != State.INITIALIZED) {
|
|
Log.d(LOG_TAG, "Not initialized: not recording env transition (" + prev + " => " + env + ").");
|
|
return;
|
|
}
|
|
|
|
final SharedPreferences prefs = GeckoApp.getAppSharedPreferences();
|
|
final SharedPreferences.Editor editor = prefs.edit();
|
|
|
|
recordSessionEnd(sessionEndReason, editor, prev);
|
|
|
|
if (!startNewSession) {
|
|
editor.commit();
|
|
return;
|
|
}
|
|
|
|
final SessionInformation newSession = SessionInformation.forRuntimeTransition();
|
|
setCurrentSession(newSession);
|
|
newSession.recordBegin(editor);
|
|
editor.commit();
|
|
}
|
|
|
|
@Override
|
|
public void handleMessage(String event, JSONObject message) {
|
|
try {
|
|
if (EVENT_SNAPSHOT.equals(event)) {
|
|
Log.d(LOG_TAG, "Got all add-ons and prefs.");
|
|
try {
|
|
JSONObject json = message.getJSONObject("json");
|
|
JSONObject addons = json.getJSONObject("addons");
|
|
Log.i(LOG_TAG, "Persisting " + addons.length() + " add-ons.");
|
|
profileCache.setJSONForAddons(addons);
|
|
|
|
JSONObject prefs = json.getJSONObject("prefs");
|
|
Log.i(LOG_TAG, "Persisting prefs.");
|
|
Iterator<?> keys = prefs.keys();
|
|
while (keys.hasNext()) {
|
|
String pref = (String) keys.next();
|
|
this.onPrefMessage(pref, prefs.getJSONObject(pref));
|
|
}
|
|
|
|
profileCache.completeInitialization();
|
|
} catch (java.io.IOException e) {
|
|
Log.e(LOG_TAG, "Error completing profile cache initialization.", e);
|
|
state = State.INITIALIZATION_FAILED;
|
|
return;
|
|
}
|
|
|
|
if (state == State.INITIALIZING) {
|
|
initializeStorage();
|
|
} else {
|
|
this.onEnvironmentChanged();
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
if (EVENT_ADDONS_UNINSTALLING.equals(event)) {
|
|
this.onAddonUninstalling(message.getString("id"));
|
|
this.onEnvironmentChanged();
|
|
return;
|
|
}
|
|
|
|
if (EVENT_ADDONS_CHANGE.equals(event)) {
|
|
this.onAddonChanged(message.getString("id"), message.getJSONObject("json"));
|
|
this.onEnvironmentChanged();
|
|
return;
|
|
}
|
|
|
|
if (EVENT_PREF_CHANGE.equals(event)) {
|
|
final String pref = message.getString("pref");
|
|
Log.d(LOG_TAG, "Pref changed: " + pref);
|
|
this.onPrefMessage(pref, message);
|
|
this.onEnvironmentChanged();
|
|
return;
|
|
}
|
|
|
|
// Searches.
|
|
if (EVENT_KEYWORD_SEARCH.equals(event)) {
|
|
// A search via the URL bar. Since we eliminate all other search possibilities
|
|
// (e.g. bookmarks keyword, search suggestion) when we initially process the
|
|
// search URL, this is considered a default search.
|
|
recordSearch(message.getString("identifier"), "bartext");
|
|
return;
|
|
}
|
|
if (EVENT_SEARCH.equals(event)) {
|
|
if (!message.has("location")) {
|
|
Log.d(LOG_TAG, "Ignoring search without location.");
|
|
return;
|
|
}
|
|
recordSearch(message.optString("identifier", null), message.getString("location"));
|
|
return;
|
|
}
|
|
} catch (Exception e) {
|
|
Log.e(LOG_TAG, "Exception handling message \"" + event + "\":", e);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Searches.
|
|
*/
|
|
|
|
public static final String MEASUREMENT_NAME_SEARCH_COUNTS = "org.mozilla.searches.counts";
|
|
public static final int MEASUREMENT_VERSION_SEARCH_COUNTS = 5;
|
|
|
|
public static final Set<String> SEARCH_LOCATIONS = Collections.unmodifiableSet(new HashSet<String>(Arrays.asList(new String[] {
|
|
"barkeyword",
|
|
"barsuggest",
|
|
"bartext",
|
|
})));
|
|
|
|
private void initializeSearchProvider() {
|
|
this.storage.ensureMeasurementInitialized(
|
|
MEASUREMENT_NAME_SEARCH_COUNTS,
|
|
MEASUREMENT_VERSION_SEARCH_COUNTS,
|
|
new MeasurementFields() {
|
|
@Override
|
|
public Iterable<FieldSpec> getFields() {
|
|
ArrayList<FieldSpec> out = new ArrayList<FieldSpec>(SEARCH_LOCATIONS.size());
|
|
for (String location : SEARCH_LOCATIONS) {
|
|
// We're not using a counter, because the set of engine
|
|
// identifiers is potentially unbounded, and thus our
|
|
// measurement version would have to keep growing as
|
|
// fields changed. Instead we store discrete values, and
|
|
// accumulate them into a counting map during processing.
|
|
out.add(new FieldSpec(location, Field.TYPE_COUNTED_STRING_DISCRETE));
|
|
}
|
|
return out;
|
|
}
|
|
});
|
|
|
|
// Do this here, rather than in a centralized registration spot, in
|
|
// case the above throws and we wind up handling events that we can't
|
|
// store.
|
|
this.dispatcher.registerEventListener(EVENT_KEYWORD_SEARCH, this);
|
|
this.dispatcher.registerEventListener(EVENT_SEARCH, this);
|
|
}
|
|
|
|
/**
|
|
* Record a search.
|
|
*
|
|
* @param engineID the string identifier for the engine. Can be <code>null</code>.
|
|
* @param location one of a fixed set of locations: see {@link #SEARCH_LOCATIONS}.
|
|
*/
|
|
public void recordSearch(final String engineID, final String location) {
|
|
if (this.state != State.INITIALIZED) {
|
|
Log.d(LOG_TAG, "Not initialized: not recording search. (" + this.state + ")");
|
|
return;
|
|
}
|
|
|
|
final int env = this.env;
|
|
|
|
if (env == -1) {
|
|
Log.d(LOG_TAG, "No environment: not recording search.");
|
|
return;
|
|
}
|
|
|
|
if (location == null) {
|
|
throw new IllegalArgumentException("location must be provided for search.");
|
|
}
|
|
|
|
// Ensure that we don't throw when trying to look up the field for an
|
|
// unknown location. If you add a search location, you must extend the
|
|
// list of search locations *and update the measurement version*.
|
|
if (!SEARCH_LOCATIONS.contains(location)) {
|
|
throw new IllegalArgumentException("Unexpected location: " + location);
|
|
}
|
|
|
|
final int day = storage.getDay();
|
|
final String key = (engineID == null) ? "other" : engineID;
|
|
|
|
ThreadUtils.postToBackgroundThread(new Runnable() {
|
|
@Override
|
|
public void run() {
|
|
final HealthReportDatabaseStorage storage = BrowserHealthRecorder.this.storage;
|
|
if (storage == null) {
|
|
Log.d(LOG_TAG, "No storage: not recording search. Shutting down?");
|
|
return;
|
|
}
|
|
|
|
Log.d(LOG_TAG, "Recording search: " + key + ", " + location +
|
|
" (" + day + ", " + env + ").");
|
|
final int searchField = storage.getField(MEASUREMENT_NAME_SEARCH_COUNTS,
|
|
MEASUREMENT_VERSION_SEARCH_COUNTS,
|
|
location)
|
|
.getID();
|
|
storage.recordDailyDiscrete(env, day, searchField, key);
|
|
}
|
|
});
|
|
}
|
|
|
|
/*
|
|
* Sessions.
|
|
*
|
|
* We record session beginnings in SharedPreferences, because it's cheaper
|
|
* to do that than to either write to then update the DB (which requires
|
|
* keeping a row identifier to update, as well as two writes) or to record
|
|
* two events (which doubles storage space and requires rollup logic).
|
|
*
|
|
* The pattern is:
|
|
*
|
|
* 1. On startup, determine whether an orphan session exists by looking for
|
|
* a saved timestamp in prefs. If it does, then record the orphan in FHR
|
|
* storage.
|
|
* 2. Record in prefs that a new session has begun. Track the timestamp (so
|
|
* we know to which day the session belongs).
|
|
* 3. As startup timings become available, accumulate them in memory.
|
|
* 4. On clean shutdown, read the values from here, write them to the DB, and
|
|
* delete the sentinel time from SharedPreferences.
|
|
* 5. On a dirty shutdown, the in-memory session will not be written to the
|
|
* DB, and the current session will be orphaned.
|
|
*
|
|
* Sessions are begun in onResume (and thus implicitly onStart) and ended
|
|
* in onPause.
|
|
*
|
|
* Session objects are stored as discrete JSON.
|
|
*
|
|
* "org.mozilla.appSessions": {
|
|
* _v: 4,
|
|
* "normal": [
|
|
* {"r":"P", "d": 123},
|
|
* ],
|
|
* "abnormal": [
|
|
* {"r":"A", "oom": true, "stopped": false}
|
|
* ]
|
|
* }
|
|
*
|
|
* "r": reason. Values are "P" (activity paused), "A" (abnormal termination)
|
|
* "d": duration. Value in seconds.
|
|
* "sg": Gecko startup time. Present if this is a clean launch. This
|
|
* corresponds to the telemetry timer FENNEC_STARTUP_TIME_GECKOREADY.
|
|
* "sj": Java activity init time. Present if this is a clean launch. This
|
|
* corresponds to the telemetry timer FENNEC_STARTUP_TIME_JAVAUI,
|
|
* and includes initialization tasks beyond initial
|
|
* onWindowFocusChanged.
|
|
*
|
|
* Abnormal terminations will be missing a duration and will feature these keys:
|
|
*
|
|
* "oom": was the session killed by an OOM exception?
|
|
* "stopped": was the session stopped gently?
|
|
*/
|
|
|
|
public static final String MEASUREMENT_NAME_SESSIONS = "org.mozilla.appSessions";
|
|
public static final int MEASUREMENT_VERSION_SESSIONS = 4;
|
|
|
|
private void initializeSessionsProvider() {
|
|
this.storage.ensureMeasurementInitialized(
|
|
MEASUREMENT_NAME_SESSIONS,
|
|
MEASUREMENT_VERSION_SESSIONS,
|
|
new MeasurementFields() {
|
|
@Override
|
|
public Iterable<FieldSpec> getFields() {
|
|
ArrayList<FieldSpec> out = new ArrayList<FieldSpec>(2);
|
|
out.add(new FieldSpec("normal", Field.TYPE_JSON_DISCRETE));
|
|
out.add(new FieldSpec("abnormal", Field.TYPE_JSON_DISCRETE));
|
|
return out;
|
|
}
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Logic shared between crashed and normal sessions.
|
|
*/
|
|
private void recordSessionEntry(String field, SessionInformation session, final int environment, JSONObject value) {
|
|
final HealthReportDatabaseStorage storage = this.storage;
|
|
if (storage == null) {
|
|
Log.d(LOG_TAG, "No storage: not recording session entry. Shutting down?");
|
|
return;
|
|
}
|
|
|
|
try {
|
|
final int sessionField = storage.getField(MEASUREMENT_NAME_SESSIONS,
|
|
MEASUREMENT_VERSION_SESSIONS,
|
|
field)
|
|
.getID();
|
|
final int day = storage.getDay(session.wallStartTime);
|
|
storage.recordDailyDiscrete(environment, day, sessionField, value);
|
|
Log.v(LOG_TAG, "Recorded session entry for env " + environment + ", current is " + env);
|
|
} catch (Exception e) {
|
|
Log.w(LOG_TAG, "Unable to record session completion.", e);
|
|
}
|
|
}
|
|
|
|
public void checkForOrphanSessions() {
|
|
if (!this.orphanChecked.compareAndSet(false, true)) {
|
|
Log.w(LOG_TAG, "Attempting to check for orphan sessions more than once.");
|
|
return;
|
|
}
|
|
|
|
Log.d(LOG_TAG, "Checking for orphan session.");
|
|
if (this.previousSession == null) {
|
|
return;
|
|
}
|
|
if (this.previousSession.wallStartTime == 0) {
|
|
return;
|
|
}
|
|
|
|
if (state != State.INITIALIZED) {
|
|
// Something has gone awry.
|
|
Log.e(LOG_TAG, "Attempted to record bad session end without initialized recorder.");
|
|
return;
|
|
}
|
|
|
|
try {
|
|
recordSessionEntry("abnormal", this.previousSession, this.env,
|
|
this.previousSession.getCrashedJSON());
|
|
} catch (Exception e) {
|
|
Log.w(LOG_TAG, "Unable to generate session JSON.", e);
|
|
|
|
// Future: record this exception in FHR's own error submitter.
|
|
}
|
|
}
|
|
|
|
public void recordSessionEnd(String reason, SharedPreferences.Editor editor) {
|
|
recordSessionEnd(reason, editor, env);
|
|
}
|
|
|
|
/**
|
|
* Record that the current session ended. Does not commit the provided editor.
|
|
*
|
|
* @param environment An environment ID. This allows callers to record the
|
|
* end of a session due to an observed environment change.
|
|
*/
|
|
public void recordSessionEnd(String reason, SharedPreferences.Editor editor, final int environment) {
|
|
Log.d(LOG_TAG, "Recording session end: " + reason);
|
|
if (state != State.INITIALIZED) {
|
|
// Something has gone awry.
|
|
Log.e(LOG_TAG, "Attempted to record session end without initialized recorder.");
|
|
return;
|
|
}
|
|
|
|
final SessionInformation session = this.session;
|
|
this.session = null; // So it can't be double-recorded.
|
|
|
|
if (session == null) {
|
|
Log.w(LOG_TAG, "Unable to record session end: no session. Already ended?");
|
|
return;
|
|
}
|
|
|
|
if (session.wallStartTime <= 0) {
|
|
Log.e(LOG_TAG, "Session start " + session.wallStartTime + " isn't valid! Can't record end.");
|
|
return;
|
|
}
|
|
|
|
long realEndTime = android.os.SystemClock.elapsedRealtime();
|
|
try {
|
|
JSONObject json = session.getCompletionJSON(reason, realEndTime);
|
|
recordSessionEntry("normal", session, environment, json);
|
|
} catch (JSONException e) {
|
|
Log.w(LOG_TAG, "Unable to generate session JSON.", e);
|
|
|
|
// Continue so we don't hit it next time.
|
|
// Future: record this exception in FHR's own error submitter.
|
|
}
|
|
|
|
// Track the end of this session in shared prefs, so it doesn't get
|
|
// double-counted on next run.
|
|
session.recordCompletion(editor);
|
|
}
|
|
}
|