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authorwolfbeast <mcwerewolf@gmail.com>2018-05-13 22:46:04 +0200
committerwolfbeast <mcwerewolf@gmail.com>2018-05-13 22:46:04 +0200
commit1124fb525bf7b8341170d886b8de070e20323efd (patch)
treeed5b0ee5976d7e1411c9ed3ac163b32383ba76e4 /dom/network/NetworkStatsDB.jsm
parenta6de0846702b2eb21ce2f29ba42bf968fbd4fe2f (diff)
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Remove other gonk widget conditionals and unused files.
Tag #288.
Diffstat (limited to 'dom/network/NetworkStatsDB.jsm')
-rw-r--r--dom/network/NetworkStatsDB.jsm1285
1 files changed, 0 insertions, 1285 deletions
diff --git a/dom/network/NetworkStatsDB.jsm b/dom/network/NetworkStatsDB.jsm
deleted file mode 100644
index aa74d40ad..000000000
--- a/dom/network/NetworkStatsDB.jsm
+++ /dev/null
@@ -1,1285 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this file,
- * You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-"use strict";
-
-this.EXPORTED_SYMBOLS = ['NetworkStatsDB'];
-
-const DEBUG = false;
-function debug(s) { dump("-*- NetworkStatsDB: " + s + "\n"); }
-
-const {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
-
-Cu.import("resource://gre/modules/XPCOMUtils.jsm");
-Cu.import("resource://gre/modules/Services.jsm");
-Cu.import("resource://gre/modules/IndexedDBHelper.jsm");
-Cu.importGlobalProperties(["indexedDB"]);
-
-XPCOMUtils.defineLazyServiceGetter(this, "appsService",
- "@mozilla.org/AppsService;1",
- "nsIAppsService");
-
-const DB_NAME = "net_stats";
-const DB_VERSION = 9;
-const DEPRECATED_STATS_STORE_NAME =
- [
- "net_stats_v2", // existed only in DB version 2
- "net_stats", // existed in DB version 1 and 3 to 5
- "net_stats_store", // existed in DB version 6 to 8
- ];
-const STATS_STORE_NAME = "net_stats_store_v3"; // since DB version 9
-const ALARMS_STORE_NAME = "net_alarm";
-
-// Constant defining the maximum values allowed per interface. If more, older
-// will be erased.
-const VALUES_MAX_LENGTH = 6 * 30;
-
-// Constant defining the rate of the samples. Daily.
-const SAMPLE_RATE = 1000 * 60 * 60 * 24;
-
-this.NetworkStatsDB = function NetworkStatsDB() {
- if (DEBUG) {
- debug("Constructor");
- }
- this.initDBHelper(DB_NAME, DB_VERSION, [STATS_STORE_NAME, ALARMS_STORE_NAME]);
-}
-
-NetworkStatsDB.prototype = {
- __proto__: IndexedDBHelper.prototype,
-
- dbNewTxn: function dbNewTxn(store_name, txn_type, callback, txnCb) {
- function successCb(result) {
- txnCb(null, result);
- }
- function errorCb(error) {
- txnCb(error, null);
- }
- return this.newTxn(txn_type, store_name, callback, successCb, errorCb);
- },
-
- /**
- * The onupgradeneeded handler of the IDBOpenDBRequest.
- * This function is called in IndexedDBHelper open() method.
- *
- * @param {IDBTransaction} aTransaction
- * {IDBDatabase} aDb
- * {64-bit integer} aOldVersion The version number on local storage.
- * {64-bit integer} aNewVersion The version number to be upgraded to.
- *
- * @note Be careful with the database upgrade pattern.
- * Because IndexedDB operations are performed asynchronously, we must
- * apply a recursive approach instead of an iterative approach while
- * upgrading versions.
- */
- upgradeSchema: function upgradeSchema(aTransaction, aDb, aOldVersion, aNewVersion) {
- if (DEBUG) {
- debug("upgrade schema from: " + aOldVersion + " to " + aNewVersion + " called!");
- }
- let db = aDb;
- let objectStore;
-
- // An array of upgrade functions for each version.
- let upgradeSteps = [
- function upgrade0to1() {
- if (DEBUG) debug("Upgrade 0 to 1: Create object stores and indexes.");
-
- // Create the initial database schema.
- objectStore = db.createObjectStore(DEPRECATED_STATS_STORE_NAME[1],
- { keyPath: ["connectionType", "timestamp"] });
- objectStore.createIndex("connectionType", "connectionType", { unique: false });
- objectStore.createIndex("timestamp", "timestamp", { unique: false });
- objectStore.createIndex("rxBytes", "rxBytes", { unique: false });
- objectStore.createIndex("txBytes", "txBytes", { unique: false });
- objectStore.createIndex("rxTotalBytes", "rxTotalBytes", { unique: false });
- objectStore.createIndex("txTotalBytes", "txTotalBytes", { unique: false });
-
- upgradeNextVersion();
- },
-
- function upgrade1to2() {
- if (DEBUG) debug("Upgrade 1 to 2: Do nothing.");
- upgradeNextVersion();
- },
-
- function upgrade2to3() {
- if (DEBUG) debug("Upgrade 2 to 3: Add keyPath appId to object store.");
-
- // In order to support per-app traffic data storage, the original
- // objectStore needs to be replaced by a new objectStore with new
- // key path ("appId") and new index ("appId").
- // Also, since now networks are identified by their
- // [networkId, networkType] not just by their connectionType,
- // to modify the keyPath is mandatory to delete the object store
- // and create it again. Old data is going to be deleted because the
- // networkId for each sample can not be set.
-
- // In version 1.2 objectStore name was 'net_stats_v2', to avoid errors when
- // upgrading from 1.2 to 1.3 objectStore name should be checked.
- let stores = db.objectStoreNames;
- let deprecatedName = DEPRECATED_STATS_STORE_NAME[0];
- let storeName = DEPRECATED_STATS_STORE_NAME[1];
- if(stores.contains(deprecatedName)) {
- // Delete the obsolete stats store.
- db.deleteObjectStore(deprecatedName);
- } else {
- // Re-create stats object store without copying records.
- db.deleteObjectStore(storeName);
- }
-
- objectStore = db.createObjectStore(storeName, { keyPath: ["appId", "network", "timestamp"] });
- objectStore.createIndex("appId", "appId", { unique: false });
- objectStore.createIndex("network", "network", { unique: false });
- objectStore.createIndex("networkType", "networkType", { unique: false });
- objectStore.createIndex("timestamp", "timestamp", { unique: false });
- objectStore.createIndex("rxBytes", "rxBytes", { unique: false });
- objectStore.createIndex("txBytes", "txBytes", { unique: false });
- objectStore.createIndex("rxTotalBytes", "rxTotalBytes", { unique: false });
- objectStore.createIndex("txTotalBytes", "txTotalBytes", { unique: false });
-
- upgradeNextVersion();
- },
-
- function upgrade3to4() {
- if (DEBUG) debug("Upgrade 3 to 4: Delete redundant indexes.");
-
- // Delete redundant indexes (leave "network" only).
- objectStore = aTransaction.objectStore(DEPRECATED_STATS_STORE_NAME[1]);
- if (objectStore.indexNames.contains("appId")) {
- objectStore.deleteIndex("appId");
- }
- if (objectStore.indexNames.contains("networkType")) {
- objectStore.deleteIndex("networkType");
- }
- if (objectStore.indexNames.contains("timestamp")) {
- objectStore.deleteIndex("timestamp");
- }
- if (objectStore.indexNames.contains("rxBytes")) {
- objectStore.deleteIndex("rxBytes");
- }
- if (objectStore.indexNames.contains("txBytes")) {
- objectStore.deleteIndex("txBytes");
- }
- if (objectStore.indexNames.contains("rxTotalBytes")) {
- objectStore.deleteIndex("rxTotalBytes");
- }
- if (objectStore.indexNames.contains("txTotalBytes")) {
- objectStore.deleteIndex("txTotalBytes");
- }
-
- upgradeNextVersion();
- },
-
- function upgrade4to5() {
- if (DEBUG) debug("Upgrade 4 to 5: Create object store for alarms.");
-
- // In order to manage alarms, it is necessary to use a global counter
- // (totalBytes) that will increase regardless of the system reboot.
- objectStore = aTransaction.objectStore(DEPRECATED_STATS_STORE_NAME[1]);
-
- // Now, systemBytes will hold the old totalBytes and totalBytes will
- // keep the increasing counter. |counters| will keep the track of
- // accumulated values.
- let counters = {};
-
- objectStore.openCursor().onsuccess = function(event) {
- let cursor = event.target.result;
- if (!cursor){
- // upgrade4to5 completed now.
- upgradeNextVersion();
- return;
- }
-
- cursor.value.rxSystemBytes = cursor.value.rxTotalBytes;
- cursor.value.txSystemBytes = cursor.value.txTotalBytes;
-
- if (cursor.value.appId == 0) {
- let netId = cursor.value.network[0] + '' + cursor.value.network[1];
- if (!counters[netId]) {
- counters[netId] = {
- rxCounter: 0,
- txCounter: 0,
- lastRx: 0,
- lastTx: 0
- };
- }
-
- let rxDiff = cursor.value.rxSystemBytes - counters[netId].lastRx;
- let txDiff = cursor.value.txSystemBytes - counters[netId].lastTx;
- if (rxDiff < 0 || txDiff < 0) {
- // System reboot between samples, so take the current one.
- rxDiff = cursor.value.rxSystemBytes;
- txDiff = cursor.value.txSystemBytes;
- }
-
- counters[netId].rxCounter += rxDiff;
- counters[netId].txCounter += txDiff;
- cursor.value.rxTotalBytes = counters[netId].rxCounter;
- cursor.value.txTotalBytes = counters[netId].txCounter;
-
- counters[netId].lastRx = cursor.value.rxSystemBytes;
- counters[netId].lastTx = cursor.value.txSystemBytes;
- } else {
- cursor.value.rxTotalBytes = cursor.value.rxSystemBytes;
- cursor.value.txTotalBytes = cursor.value.txSystemBytes;
- }
-
- cursor.update(cursor.value);
- cursor.continue();
- };
-
- // Create object store for alarms.
- objectStore = db.createObjectStore(ALARMS_STORE_NAME, { keyPath: "id", autoIncrement: true });
- objectStore.createIndex("alarm", ['networkId','threshold'], { unique: false });
- objectStore.createIndex("manifestURL", "manifestURL", { unique: false });
- },
-
- function upgrade5to6() {
- if (DEBUG) debug("Upgrade 5 to 6: Add keyPath serviceType to object store.");
-
- // In contrast to "per-app" traffic data, "system-only" traffic data
- // refers to data which can not be identified by any applications.
- // To further support "system-only" data storage, the data can be
- // saved by service type (e.g., Tethering, OTA). Thus it's needed to
- // have a new key ("serviceType") for the ojectStore.
- let newObjectStore;
- let deprecatedName = DEPRECATED_STATS_STORE_NAME[1];
- newObjectStore = db.createObjectStore(DEPRECATED_STATS_STORE_NAME[2],
- { keyPath: ["appId", "serviceType", "network", "timestamp"] });
- newObjectStore.createIndex("network", "network", { unique: false });
-
- // Copy the data from the original objectStore to the new objectStore.
- objectStore = aTransaction.objectStore(deprecatedName);
- objectStore.openCursor().onsuccess = function(event) {
- let cursor = event.target.result;
- if (!cursor) {
- db.deleteObjectStore(deprecatedName);
- // upgrade5to6 completed now.
- upgradeNextVersion();
- return;
- }
-
- let newStats = cursor.value;
- newStats.serviceType = "";
- newObjectStore.put(newStats);
- cursor.continue();
- };
- },
-
- function upgrade6to7() {
- if (DEBUG) debug("Upgrade 6 to 7: Replace alarm threshold by relativeThreshold.");
-
- // Replace threshold attribute of alarm index by relativeThreshold in alarms DB.
- // Now alarms are indexed by relativeThreshold, which is the threshold relative
- // to current system stats.
- let alarmsStore = aTransaction.objectStore(ALARMS_STORE_NAME);
-
- // Delete "alarm" index.
- if (alarmsStore.indexNames.contains("alarm")) {
- alarmsStore.deleteIndex("alarm");
- }
-
- // Create new "alarm" index.
- alarmsStore.createIndex("alarm", ['networkId','relativeThreshold'], { unique: false });
-
- // Populate new "alarm" index attributes.
- alarmsStore.openCursor().onsuccess = function(event) {
- let cursor = event.target.result;
- if (!cursor) {
- upgrade6to7_updateTotalBytes();
- return;
- }
-
- cursor.value.relativeThreshold = cursor.value.threshold;
- cursor.value.absoluteThreshold = cursor.value.threshold;
- delete cursor.value.threshold;
-
- cursor.update(cursor.value);
- cursor.continue();
- }
-
- function upgrade6to7_updateTotalBytes() {
- if (DEBUG) debug("Upgrade 6 to 7: Update TotalBytes.");
- // Previous versions save accumulative totalBytes, increasing although the system
- // reboots or resets stats. But is necessary to reset the total counters when reset
- // through 'clearInterfaceStats'.
- let statsStore = aTransaction.objectStore(DEPRECATED_STATS_STORE_NAME[2]);
- let networks = [];
-
- // Find networks stored in the database.
- statsStore.index("network").openKeyCursor(null, "nextunique").onsuccess = function(event) {
- let cursor = event.target.result;
-
- // Store each network into an array.
- if (cursor) {
- networks.push(cursor.key);
- cursor.continue();
- return;
- }
-
- // Start to deal with each network.
- let pending = networks.length;
-
- if (pending === 0) {
- // Found no records of network. upgrade6to7 completed now.
- upgradeNextVersion();
- return;
- }
-
- networks.forEach(function(network) {
- let lowerFilter = [0, "", network, 0];
- let upperFilter = [0, "", network, ""];
- let range = IDBKeyRange.bound(lowerFilter, upperFilter, false, false);
-
- // Find number of samples for a given network.
- statsStore.count(range).onsuccess = function(event) {
- let recordCount = event.target.result;
-
- // If there are more samples than the max allowed, there is no way to know
- // when does reset take place.
- if (recordCount === 0 || recordCount >= VALUES_MAX_LENGTH) {
- pending--;
- if (pending === 0) {
- upgradeNextVersion();
- }
- return;
- }
-
- let last = null;
- // Reset detected if the first sample totalCounters are different than bytes
- // counters. If so, the total counters should be recalculated.
- statsStore.openCursor(range).onsuccess = function(event) {
- let cursor = event.target.result;
- if (!cursor) {
- pending--;
- if (pending === 0) {
- upgradeNextVersion();
- }
- return;
- }
- if (!last) {
- if (cursor.value.rxTotalBytes == cursor.value.rxBytes &&
- cursor.value.txTotalBytes == cursor.value.txBytes) {
- pending--;
- if (pending === 0) {
- upgradeNextVersion();
- }
- return;
- }
-
- cursor.value.rxTotalBytes = cursor.value.rxBytes;
- cursor.value.txTotalBytes = cursor.value.txBytes;
- cursor.update(cursor.value);
- last = cursor.value;
- cursor.continue();
- return;
- }
-
- // Recalculate the total counter for last / current sample
- cursor.value.rxTotalBytes = last.rxTotalBytes + cursor.value.rxBytes;
- cursor.value.txTotalBytes = last.txTotalBytes + cursor.value.txBytes;
- cursor.update(cursor.value);
- last = cursor.value;
- cursor.continue();
- }
- }
- }, this); // end of networks.forEach()
- }; // end of statsStore.index("network").openKeyCursor().onsuccess callback
- } // end of function upgrade6to7_updateTotalBytes
- },
-
- function upgrade7to8() {
- if (DEBUG) debug("Upgrade 7 to 8: Create index serviceType.");
-
- // Create index for 'ServiceType' in order to make it retrievable.
- let statsStore = aTransaction.objectStore(DEPRECATED_STATS_STORE_NAME[2]);
- statsStore.createIndex("serviceType", "serviceType", { unique: false });
-
- upgradeNextVersion();
- },
-
- function upgrade8to9() {
- if (DEBUG) debug("Upgrade 8 to 9: Add keyPath isInBrowser to " +
- "network stats object store");
-
- // Since B2G v2.0, there is no stand-alone browser app anymore.
- // The browser app is a mozbrowser iframe element owned by system app.
- // In order to separate traffic generated from system and browser, we
- // have to add a new attribute |isInBrowser| as keyPath.
- // Refer to bug 1070944 for more detail.
- let newObjectStore;
- let deprecatedName = DEPRECATED_STATS_STORE_NAME[2];
- newObjectStore = db.createObjectStore(STATS_STORE_NAME,
- { keyPath: ["appId", "isInBrowser", "serviceType",
- "network", "timestamp"] });
- newObjectStore.createIndex("network", "network", { unique: false });
- newObjectStore.createIndex("serviceType", "serviceType", { unique: false });
-
- // Copy records from the current object store to the new one.
- objectStore = aTransaction.objectStore(deprecatedName);
- objectStore.openCursor().onsuccess = function (event) {
- let cursor = event.target.result;
- if (!cursor) {
- db.deleteObjectStore(deprecatedName);
- // upgrade8to9 completed now.
- return;
- }
- let newStats = cursor.value;
- // Augment records by adding the new isInBrowser attribute.
- // Notes:
- // 1. Key value cannot be boolean type. Use 1/0 instead of true/false.
- // 2. Most traffic of system app should come from its browser iframe,
- // thus assign isInBrowser as 1 for system app.
- let manifestURL = appsService.getManifestURLByLocalId(newStats.appId);
- if (manifestURL && manifestURL.search(/app:\/\/system\./) === 0) {
- newStats.isInBrowser = 1;
- } else {
- newStats.isInBrowser = 0;
- }
- newObjectStore.put(newStats);
- cursor.continue();
- };
- }
- ];
-
- let index = aOldVersion;
- let outer = this;
-
- function upgradeNextVersion() {
- if (index == aNewVersion) {
- debug("Upgrade finished.");
- return;
- }
-
- try {
- var i = index++;
- if (DEBUG) debug("Upgrade step: " + i + "\n");
- upgradeSteps[i].call(outer);
- } catch (ex) {
- dump("Caught exception " + ex);
- throw ex;
- return;
- }
- }
-
- if (aNewVersion > upgradeSteps.length) {
- debug("No migration steps for the new version!");
- aTransaction.abort();
- return;
- }
-
- upgradeNextVersion();
- },
-
- importData: function importData(aStats) {
- let stats = { appId: aStats.appId,
- isInBrowser: aStats.isInBrowser ? 1 : 0,
- serviceType: aStats.serviceType,
- network: [aStats.networkId, aStats.networkType],
- timestamp: aStats.timestamp,
- rxBytes: aStats.rxBytes,
- txBytes: aStats.txBytes,
- rxSystemBytes: aStats.rxSystemBytes,
- txSystemBytes: aStats.txSystemBytes,
- rxTotalBytes: aStats.rxTotalBytes,
- txTotalBytes: aStats.txTotalBytes };
-
- return stats;
- },
-
- exportData: function exportData(aStats) {
- let stats = { appId: aStats.appId,
- isInBrowser: aStats.isInBrowser ? true : false,
- serviceType: aStats.serviceType,
- networkId: aStats.network[0],
- networkType: aStats.network[1],
- timestamp: aStats.timestamp,
- rxBytes: aStats.rxBytes,
- txBytes: aStats.txBytes,
- rxTotalBytes: aStats.rxTotalBytes,
- txTotalBytes: aStats.txTotalBytes };
-
- return stats;
- },
-
- normalizeDate: function normalizeDate(aDate) {
- // Convert to UTC according to timezone and
- // filter timestamp to get SAMPLE_RATE precission
- let timestamp = aDate.getTime() - aDate.getTimezoneOffset() * 60 * 1000;
- timestamp = Math.floor(timestamp / SAMPLE_RATE) * SAMPLE_RATE;
- return timestamp;
- },
-
- saveStats: function saveStats(aStats, aResultCb) {
- let isAccumulative = aStats.isAccumulative;
- let timestamp = this.normalizeDate(aStats.date);
-
- let stats = { appId: aStats.appId,
- isInBrowser: aStats.isInBrowser,
- serviceType: aStats.serviceType,
- networkId: aStats.networkId,
- networkType: aStats.networkType,
- timestamp: timestamp,
- rxBytes: isAccumulative ? 0 : aStats.rxBytes,
- txBytes: isAccumulative ? 0 : aStats.txBytes,
- rxSystemBytes: isAccumulative ? aStats.rxBytes : 0,
- txSystemBytes: isAccumulative ? aStats.txBytes : 0,
- rxTotalBytes: isAccumulative ? aStats.rxBytes : 0,
- txTotalBytes: isAccumulative ? aStats.txBytes : 0 };
-
- stats = this.importData(stats);
-
- this.dbNewTxn(STATS_STORE_NAME, "readwrite", function(aTxn, aStore) {
- if (DEBUG) {
- debug("Filtered time: " + new Date(timestamp));
- debug("New stats: " + JSON.stringify(stats));
- }
-
- let lowerFilter = [stats.appId, stats.isInBrowser, stats.serviceType,
- stats.network, 0];
- let upperFilter = [stats.appId, stats.isInBrowser, stats.serviceType,
- stats.network, ""];
- let range = IDBKeyRange.bound(lowerFilter, upperFilter, false, false);
-
- let request = aStore.openCursor(range, 'prev');
- request.onsuccess = function onsuccess(event) {
- let cursor = event.target.result;
- if (!cursor) {
- // Empty, so save first element.
-
- if (!isAccumulative) {
- this._saveStats(aTxn, aStore, stats);
- return;
- }
-
- // There could be a time delay between the point when the network
- // interface comes up and the point when the database is initialized.
- // In this short interval some traffic data are generated but are not
- // registered by the first sample.
- stats.rxBytes = stats.rxTotalBytes;
- stats.txBytes = stats.txTotalBytes;
-
- // However, if the interface is not switched on after the database is
- // initialized (dual sim use case) stats should be set to 0.
- let req = aStore.index("network").openKeyCursor(null, "nextunique");
- req.onsuccess = function onsuccess(event) {
- let cursor = event.target.result;
- if (cursor) {
- if (cursor.key[1] == stats.network[1]) {
- stats.rxBytes = 0;
- stats.txBytes = 0;
- this._saveStats(aTxn, aStore, stats);
- return;
- }
-
- cursor.continue();
- return;
- }
-
- this._saveStats(aTxn, aStore, stats);
- }.bind(this);
-
- return;
- }
-
- // There are old samples
- if (DEBUG) {
- debug("Last value " + JSON.stringify(cursor.value));
- }
-
- // Remove stats previous to now - VALUE_MAX_LENGTH
- this._removeOldStats(aTxn, aStore, stats.appId, stats.isInBrowser,
- stats.serviceType, stats.network, stats.timestamp);
-
- // Process stats before save
- this._processSamplesDiff(aTxn, aStore, cursor, stats, isAccumulative);
- }.bind(this);
- }.bind(this), aResultCb);
- },
-
- /*
- * This function check that stats are saved in the database following the sample rate.
- * In this way is easier to find elements when stats are requested.
- */
- _processSamplesDiff: function _processSamplesDiff(aTxn,
- aStore,
- aLastSampleCursor,
- aNewSample,
- aIsAccumulative) {
- let lastSample = aLastSampleCursor.value;
-
- // Get difference between last and new sample.
- let diff = (aNewSample.timestamp - lastSample.timestamp) / SAMPLE_RATE;
- if (diff % 1) {
- // diff is decimal, so some error happened because samples are stored as a multiple
- // of SAMPLE_RATE
- aTxn.abort();
- throw new Error("Error processing samples");
- }
-
- if (DEBUG) {
- debug("New: " + aNewSample.timestamp + " - Last: " +
- lastSample.timestamp + " - diff: " + diff);
- }
-
- // If the incoming data has a accumulation feature, the new
- // |txBytes|/|rxBytes| is assigend by differnces between the new
- // |txTotalBytes|/|rxTotalBytes| and the last |txTotalBytes|/|rxTotalBytes|.
- // Else, if incoming data is non-accumulative, the |txBytes|/|rxBytes|
- // is the new |txBytes|/|rxBytes|.
- let rxDiff = 0;
- let txDiff = 0;
- if (aIsAccumulative) {
- rxDiff = aNewSample.rxSystemBytes - lastSample.rxSystemBytes;
- txDiff = aNewSample.txSystemBytes - lastSample.txSystemBytes;
- if (rxDiff < 0 || txDiff < 0) {
- rxDiff = aNewSample.rxSystemBytes;
- txDiff = aNewSample.txSystemBytes;
- }
- aNewSample.rxBytes = rxDiff;
- aNewSample.txBytes = txDiff;
-
- aNewSample.rxTotalBytes = lastSample.rxTotalBytes + rxDiff;
- aNewSample.txTotalBytes = lastSample.txTotalBytes + txDiff;
- } else {
- rxDiff = aNewSample.rxBytes;
- txDiff = aNewSample.txBytes;
- }
-
- if (diff == 1) {
- // New element.
-
- // If the incoming data is non-accumulative, the new
- // |rxTotalBytes|/|txTotalBytes| needs to be updated by adding new
- // |rxBytes|/|txBytes| to the last |rxTotalBytes|/|txTotalBytes|.
- if (!aIsAccumulative) {
- aNewSample.rxTotalBytes = aNewSample.rxBytes + lastSample.rxTotalBytes;
- aNewSample.txTotalBytes = aNewSample.txBytes + lastSample.txTotalBytes;
- }
-
- this._saveStats(aTxn, aStore, aNewSample);
- return;
- }
- if (diff > 1) {
- // Some samples lost. Device off during one or more samplerate periods.
- // Time or timezone changed
- // Add lost samples with 0 bytes and the actual one.
- if (diff > VALUES_MAX_LENGTH) {
- diff = VALUES_MAX_LENGTH;
- }
-
- let data = [];
- for (let i = diff - 2; i >= 0; i--) {
- let time = aNewSample.timestamp - SAMPLE_RATE * (i + 1);
- let sample = { appId: aNewSample.appId,
- isInBrowser: aNewSample.isInBrowser,
- serviceType: aNewSample.serviceType,
- network: aNewSample.network,
- timestamp: time,
- rxBytes: 0,
- txBytes: 0,
- rxSystemBytes: lastSample.rxSystemBytes,
- txSystemBytes: lastSample.txSystemBytes,
- rxTotalBytes: lastSample.rxTotalBytes,
- txTotalBytes: lastSample.txTotalBytes };
-
- data.push(sample);
- }
-
- data.push(aNewSample);
- this._saveStats(aTxn, aStore, data);
- return;
- }
- if (diff == 0 || diff < 0) {
- // New element received before samplerate period. It means that device has
- // been restarted (or clock / timezone change).
- // Update element. If diff < 0, clock or timezone changed back. Place data
- // in the last sample.
-
- // Old |rxTotalBytes|/|txTotalBytes| needs to get updated by adding the
- // last |rxTotalBytes|/|txTotalBytes|.
- lastSample.rxBytes += rxDiff;
- lastSample.txBytes += txDiff;
- lastSample.rxSystemBytes = aNewSample.rxSystemBytes;
- lastSample.txSystemBytes = aNewSample.txSystemBytes;
- lastSample.rxTotalBytes += rxDiff;
- lastSample.txTotalBytes += txDiff;
-
- if (DEBUG) {
- debug("Update: " + JSON.stringify(lastSample));
- }
- let req = aLastSampleCursor.update(lastSample);
- }
- },
-
- _saveStats: function _saveStats(aTxn, aStore, aNetworkStats) {
- if (DEBUG) {
- debug("_saveStats: " + JSON.stringify(aNetworkStats));
- }
-
- if (Array.isArray(aNetworkStats)) {
- let len = aNetworkStats.length - 1;
- for (let i = 0; i <= len; i++) {
- aStore.put(aNetworkStats[i]);
- }
- } else {
- aStore.put(aNetworkStats);
- }
- },
-
- _removeOldStats: function _removeOldStats(aTxn, aStore, aAppId, aIsInBrowser,
- aServiceType, aNetwork, aDate) {
- // Callback function to remove old items when new ones are added.
- let filterDate = aDate - (SAMPLE_RATE * VALUES_MAX_LENGTH - 1);
- let lowerFilter = [aAppId, aIsInBrowser, aServiceType, aNetwork, 0];
- let upperFilter = [aAppId, aIsInBrowser, aServiceType, aNetwork, filterDate];
- let range = IDBKeyRange.bound(lowerFilter, upperFilter, false, false);
- let lastSample = null;
- let self = this;
-
- aStore.openCursor(range).onsuccess = function(event) {
- var cursor = event.target.result;
- if (cursor) {
- lastSample = cursor.value;
- cursor.delete();
- cursor.continue();
- return;
- }
-
- // If all samples for a network are removed, an empty sample
- // has to be saved to keep the totalBytes in order to compute
- // future samples because system counters are not set to 0.
- // Thus, if there are no samples left, the last sample removed
- // will be saved again after setting its bytes to 0.
- let request = aStore.index("network").openCursor(aNetwork);
- request.onsuccess = function onsuccess(event) {
- let cursor = event.target.result;
- if (!cursor && lastSample != null) {
- let timestamp = new Date();
- timestamp = self.normalizeDate(timestamp);
- lastSample.timestamp = timestamp;
- lastSample.rxBytes = 0;
- lastSample.txBytes = 0;
- self._saveStats(aTxn, aStore, lastSample);
- }
- };
- };
- },
-
- clearInterfaceStats: function clearInterfaceStats(aNetwork, aResultCb) {
- let network = [aNetwork.network.id, aNetwork.network.type];
- let self = this;
-
- // Clear and save an empty sample to keep sync with system counters
- this.dbNewTxn(STATS_STORE_NAME, "readwrite", function(aTxn, aStore) {
- let sample = null;
- let request = aStore.index("network").openCursor(network, "prev");
- request.onsuccess = function onsuccess(event) {
- let cursor = event.target.result;
- if (cursor) {
- if (!sample && cursor.value.appId == 0) {
- sample = cursor.value;
- }
-
- cursor.delete();
- cursor.continue();
- return;
- }
-
- if (sample) {
- let timestamp = new Date();
- timestamp = self.normalizeDate(timestamp);
- sample.timestamp = timestamp;
- sample.appId = 0;
- sample.isInBrowser = 0;
- sample.serviceType = "";
- sample.rxBytes = 0;
- sample.txBytes = 0;
- sample.rxTotalBytes = 0;
- sample.txTotalBytes = 0;
-
- self._saveStats(aTxn, aStore, sample);
- }
- };
- }, this._resetAlarms.bind(this, aNetwork.networkId, aResultCb));
- },
-
- clearStats: function clearStats(aNetworks, aResultCb) {
- let index = 0;
- let stats = [];
- let self = this;
-
- let callback = function(aError, aResult) {
- index++;
-
- if (!aError && index < aNetworks.length) {
- self.clearInterfaceStats(aNetworks[index], callback);
- return;
- }
-
- aResultCb(aError, aResult);
- };
-
- if (!aNetworks[index]) {
- aResultCb(null, true);
- return;
- }
- this.clearInterfaceStats(aNetworks[index], callback);
- },
-
- getCurrentStats: function getCurrentStats(aNetwork, aDate, aResultCb) {
- if (DEBUG) {
- debug("Get current stats for " + JSON.stringify(aNetwork) + " since " + aDate);
- }
-
- let network = [aNetwork.id, aNetwork.type];
- if (aDate) {
- this._getCurrentStatsFromDate(network, aDate, aResultCb);
- return;
- }
-
- this._getCurrentStats(network, aResultCb);
- },
-
- _getCurrentStats: function _getCurrentStats(aNetwork, aResultCb) {
- this.dbNewTxn(STATS_STORE_NAME, "readonly", function(txn, store) {
- let request = null;
- let upperFilter = [0, 1, "", aNetwork, Date.now()];
- let range = IDBKeyRange.upperBound(upperFilter, false);
- let result = { rxBytes: 0, txBytes: 0,
- rxTotalBytes: 0, txTotalBytes: 0 };
-
- request = store.openCursor(range, "prev");
-
- request.onsuccess = function onsuccess(event) {
- let cursor = event.target.result;
- if (cursor) {
- result.rxBytes = result.rxTotalBytes = cursor.value.rxTotalBytes;
- result.txBytes = result.txTotalBytes = cursor.value.txTotalBytes;
- }
-
- txn.result = result;
- };
- }.bind(this), aResultCb);
- },
-
- _getCurrentStatsFromDate: function _getCurrentStatsFromDate(aNetwork, aDate, aResultCb) {
- aDate = new Date(aDate);
- this.dbNewTxn(STATS_STORE_NAME, "readonly", function(txn, store) {
- let request = null;
- let start = this.normalizeDate(aDate);
- let upperFilter = [0, 1, "", aNetwork, Date.now()];
- let range = IDBKeyRange.upperBound(upperFilter, false);
- let result = { rxBytes: 0, txBytes: 0,
- rxTotalBytes: 0, txTotalBytes: 0 };
-
- request = store.openCursor(range, "prev");
-
- request.onsuccess = function onsuccess(event) {
- let cursor = event.target.result;
- if (cursor) {
- result.rxBytes = result.rxTotalBytes = cursor.value.rxTotalBytes;
- result.txBytes = result.txTotalBytes = cursor.value.txTotalBytes;
- }
-
- let timestamp = cursor.value.timestamp;
- let range = IDBKeyRange.lowerBound(lowerFilter, false);
- request = store.openCursor(range);
-
- request.onsuccess = function onsuccess(event) {
- let cursor = event.target.result;
- if (cursor) {
- if (cursor.value.timestamp == timestamp) {
- // There is one sample only.
- result.rxBytes = cursor.value.rxBytes;
- result.txBytes = cursor.value.txBytes;
- } else {
- result.rxBytes -= cursor.value.rxTotalBytes;
- result.txBytes -= cursor.value.txTotalBytes;
- }
- }
-
- txn.result = result;
- };
- };
- }.bind(this), aResultCb);
- },
-
- find: function find(aResultCb, aAppId, aBrowsingTrafficOnly, aServiceType,
- aNetwork, aStart, aEnd, aAppManifestURL) {
- let offset = (new Date()).getTimezoneOffset() * 60 * 1000;
- let start = this.normalizeDate(aStart);
- let end = this.normalizeDate(aEnd);
-
- if (DEBUG) {
- debug("Find samples for appId: " + aAppId +
- " browsingTrafficOnly: " + aBrowsingTrafficOnly +
- " serviceType: " + aServiceType +
- " network: " + JSON.stringify(aNetwork) + " from " + start +
- " until " + end);
- debug("Start time: " + new Date(start));
- debug("End time: " + new Date(end));
- }
-
- // Find samples of browsing traffic (isInBrowser = 1) first since they are
- // needed no matter browsingTrafficOnly is true or false.
- // We have to make two queries to database because we cannot filter correct
- // records by a single query that sets ranges for two keys (isInBrowser and
- // timestamp). We think it is because the keyPath contains an array
- // (network) so such query does not work.
- this.dbNewTxn(STATS_STORE_NAME, "readonly", function(aTxn, aStore) {
- let network = [aNetwork.id, aNetwork.type];
- let lowerFilter = [aAppId, 1, aServiceType, network, start];
- let upperFilter = [aAppId, 1, aServiceType, network, end];
- let range = IDBKeyRange.bound(lowerFilter, upperFilter, false, false);
-
- let data = [];
-
- if (!aTxn.result) {
- aTxn.result = {};
- }
- aTxn.result.appManifestURL = aAppManifestURL;
- aTxn.result.browsingTrafficOnly = aBrowsingTrafficOnly;
- aTxn.result.serviceType = aServiceType;
- aTxn.result.network = aNetwork;
- aTxn.result.start = aStart;
- aTxn.result.end = aEnd;
-
- let request = aStore.openCursor(range).onsuccess = function(event) {
- var cursor = event.target.result;
- if (cursor){
- // We use rxTotalBytes/txTotalBytes instead of rxBytes/txBytes for
- // the first (oldest) sample. The rx/txTotalBytes fields record
- // accumulative usage amount, which means even if old samples were
- // expired and removed from the Database, we can still obtain the
- // correct network usage.
- if (data.length == 0) {
- data.push({ rxBytes: cursor.value.rxTotalBytes,
- txBytes: cursor.value.txTotalBytes,
- date: new Date(cursor.value.timestamp + offset) });
- } else {
- data.push({ rxBytes: cursor.value.rxBytes,
- txBytes: cursor.value.txBytes,
- date: new Date(cursor.value.timestamp + offset) });
- }
- cursor.continue();
- return;
- }
-
- if (aBrowsingTrafficOnly) {
- this.fillResultSamples(start + offset, end + offset, data);
- aTxn.result.data = data;
- return;
- }
-
- // Find samples of app traffic (isInBrowser = 0) as well if
- // browsingTrafficOnly is false.
- lowerFilter = [aAppId, 0, aServiceType, network, start];
- upperFilter = [aAppId, 0, aServiceType, network, end];
- range = IDBKeyRange.bound(lowerFilter, upperFilter, false, false);
- request = aStore.openCursor(range).onsuccess = function(event) {
- cursor = event.target.result;
- if (cursor) {
- var date = new Date(cursor.value.timestamp + offset);
- var foundData = data.find(function (element, index, array) {
- if (element.date.getTime() !== date.getTime()) {
- return false;
- }
- return element;
- }, date);
-
- if (foundData) {
- foundData.rxBytes += cursor.value.rxBytes;
- foundData.txBytes += cursor.value.txBytes;
- } else {
- // We use rxTotalBytes/txTotalBytes instead of rxBytes/txBytes
- // for the first (oldest) sample. The rx/txTotalBytes fields
- // record accumulative usage amount, which means even if old
- // samples were expired and removed from the Database, we can
- // still obtain the correct network usage.
- if (data.length == 0) {
- data.push({ rxBytes: cursor.value.rxTotalBytes,
- txBytes: cursor.value.txTotalBytes,
- date: new Date(cursor.value.timestamp + offset) });
- } else {
- data.push({ rxBytes: cursor.value.rxBytes,
- txBytes: cursor.value.txBytes,
- date: new Date(cursor.value.timestamp + offset) });
- }
- }
- cursor.continue();
- return;
- }
- this.fillResultSamples(start + offset, end + offset, data);
- aTxn.result.data = data;
- }.bind(this); // openCursor(range).onsuccess() callback
- }.bind(this); // openCursor(range).onsuccess() callback
- }.bind(this), aResultCb);
- },
-
- /*
- * Fill data array (samples from database) with empty samples to match
- * requested start / end dates.
- */
- fillResultSamples: function fillResultSamples(aStart, aEnd, aData) {
- if (aData.length == 0) {
- aData.push({ rxBytes: undefined,
- txBytes: undefined,
- date: new Date(aStart) });
- }
-
- while (aStart < aData[0].date.getTime()) {
- aData.unshift({ rxBytes: undefined,
- txBytes: undefined,
- date: new Date(aData[0].date.getTime() - SAMPLE_RATE) });
- }
-
- while (aEnd > aData[aData.length - 1].date.getTime()) {
- aData.push({ rxBytes: undefined,
- txBytes: undefined,
- date: new Date(aData[aData.length - 1].date.getTime() + SAMPLE_RATE) });
- }
- },
-
- getAvailableNetworks: function getAvailableNetworks(aResultCb) {
- this.dbNewTxn(STATS_STORE_NAME, "readonly", function(aTxn, aStore) {
- if (!aTxn.result) {
- aTxn.result = [];
- }
-
- let request = aStore.index("network").openKeyCursor(null, "nextunique");
- request.onsuccess = function onsuccess(event) {
- let cursor = event.target.result;
- if (cursor) {
- aTxn.result.push({ id: cursor.key[0],
- type: cursor.key[1] });
- cursor.continue();
- return;
- }
- };
- }, aResultCb);
- },
-
- isNetworkAvailable: function isNetworkAvailable(aNetwork, aResultCb) {
- this.dbNewTxn(STATS_STORE_NAME, "readonly", function(aTxn, aStore) {
- if (!aTxn.result) {
- aTxn.result = false;
- }
-
- let network = [aNetwork.id, aNetwork.type];
- let request = aStore.index("network").openKeyCursor(IDBKeyRange.only(network));
- request.onsuccess = function onsuccess(event) {
- if (event.target.result) {
- aTxn.result = true;
- }
- };
- }, aResultCb);
- },
-
- getAvailableServiceTypes: function getAvailableServiceTypes(aResultCb) {
- this.dbNewTxn(STATS_STORE_NAME, "readonly", function(aTxn, aStore) {
- if (!aTxn.result) {
- aTxn.result = [];
- }
-
- let request = aStore.index("serviceType").openKeyCursor(null, "nextunique");
- request.onsuccess = function onsuccess(event) {
- let cursor = event.target.result;
- if (cursor && cursor.key != "") {
- aTxn.result.push({ serviceType: cursor.key });
- cursor.continue();
- return;
- }
- };
- }, aResultCb);
- },
-
- get sampleRate () {
- return SAMPLE_RATE;
- },
-
- get maxStorageSamples () {
- return VALUES_MAX_LENGTH;
- },
-
- logAllRecords: function logAllRecords(aResultCb) {
- this.dbNewTxn(STATS_STORE_NAME, "readonly", function(aTxn, aStore) {
- aStore.mozGetAll().onsuccess = function onsuccess(event) {
- aTxn.result = event.target.result;
- };
- }, aResultCb);
- },
-
- alarmToRecord: function alarmToRecord(aAlarm) {
- let record = { networkId: aAlarm.networkId,
- absoluteThreshold: aAlarm.absoluteThreshold,
- relativeThreshold: aAlarm.relativeThreshold,
- startTime: aAlarm.startTime,
- data: aAlarm.data,
- manifestURL: aAlarm.manifestURL,
- pageURL: aAlarm.pageURL };
-
- if (aAlarm.id) {
- record.id = aAlarm.id;
- }
-
- return record;
- },
-
- recordToAlarm: function recordToalarm(aRecord) {
- let alarm = { networkId: aRecord.networkId,
- absoluteThreshold: aRecord.absoluteThreshold,
- relativeThreshold: aRecord.relativeThreshold,
- startTime: aRecord.startTime,
- data: aRecord.data,
- manifestURL: aRecord.manifestURL,
- pageURL: aRecord.pageURL };
-
- if (aRecord.id) {
- alarm.id = aRecord.id;
- }
-
- return alarm;
- },
-
- addAlarm: function addAlarm(aAlarm, aResultCb) {
- this.dbNewTxn(ALARMS_STORE_NAME, "readwrite", function(txn, store) {
- if (DEBUG) {
- debug("Going to add " + JSON.stringify(aAlarm));
- }
-
- let record = this.alarmToRecord(aAlarm);
- store.put(record).onsuccess = function setResult(aEvent) {
- txn.result = aEvent.target.result;
- if (DEBUG) {
- debug("Request successful. New record ID: " + txn.result);
- }
- };
- }.bind(this), aResultCb);
- },
-
- getFirstAlarm: function getFirstAlarm(aNetworkId, aResultCb) {
- let self = this;
-
- this.dbNewTxn(ALARMS_STORE_NAME, "readonly", function(txn, store) {
- if (DEBUG) {
- debug("Get first alarm for network " + aNetworkId);
- }
-
- let lowerFilter = [aNetworkId, 0];
- let upperFilter = [aNetworkId, ""];
- let range = IDBKeyRange.bound(lowerFilter, upperFilter);
-
- store.index("alarm").openCursor(range).onsuccess = function onsuccess(event) {
- let cursor = event.target.result;
- txn.result = null;
- if (cursor) {
- txn.result = self.recordToAlarm(cursor.value);
- }
- };
- }, aResultCb);
- },
-
- removeAlarm: function removeAlarm(aAlarmId, aManifestURL, aResultCb) {
- this.dbNewTxn(ALARMS_STORE_NAME, "readwrite", function(txn, store) {
- if (DEBUG) {
- debug("Remove alarm " + aAlarmId);
- }
-
- store.get(aAlarmId).onsuccess = function onsuccess(event) {
- let record = event.target.result;
- txn.result = false;
- if (!record || (aManifestURL && record.manifestURL != aManifestURL)) {
- return;
- }
-
- store.delete(aAlarmId);
- txn.result = true;
- }
- }, aResultCb);
- },
-
- removeAlarms: function removeAlarms(aManifestURL, aResultCb) {
- this.dbNewTxn(ALARMS_STORE_NAME, "readwrite", function(txn, store) {
- if (DEBUG) {
- debug("Remove alarms of " + aManifestURL);
- }
-
- store.index("manifestURL").openCursor(aManifestURL)
- .onsuccess = function onsuccess(event) {
- let cursor = event.target.result;
- if (cursor) {
- cursor.delete();
- cursor.continue();
- }
- }
- }, aResultCb);
- },
-
- updateAlarm: function updateAlarm(aAlarm, aResultCb) {
- let self = this;
- this.dbNewTxn(ALARMS_STORE_NAME, "readwrite", function(txn, store) {
- if (DEBUG) {
- debug("Update alarm " + aAlarm.id);
- }
-
- let record = self.alarmToRecord(aAlarm);
- store.openCursor(record.id).onsuccess = function onsuccess(event) {
- let cursor = event.target.result;
- txn.result = false;
- if (cursor) {
- cursor.update(record);
- txn.result = true;
- }
- }
- }, aResultCb);
- },
-
- getAlarms: function getAlarms(aNetworkId, aManifestURL, aResultCb) {
- let self = this;
- this.dbNewTxn(ALARMS_STORE_NAME, "readonly", function(txn, store) {
- if (DEBUG) {
- debug("Get alarms for " + aManifestURL);
- }
-
- txn.result = [];
- store.index("manifestURL").openCursor(aManifestURL)
- .onsuccess = function onsuccess(event) {
- let cursor = event.target.result;
- if (!cursor) {
- return;
- }
-
- if (!aNetworkId || cursor.value.networkId == aNetworkId) {
- txn.result.push(self.recordToAlarm(cursor.value));
- }
-
- cursor.continue();
- }
- }, aResultCb);
- },
-
- _resetAlarms: function _resetAlarms(aNetworkId, aResultCb) {
- this.dbNewTxn(ALARMS_STORE_NAME, "readwrite", function(txn, store) {
- if (DEBUG) {
- debug("Reset alarms for network " + aNetworkId);
- }
-
- let lowerFilter = [aNetworkId, 0];
- let upperFilter = [aNetworkId, ""];
- let range = IDBKeyRange.bound(lowerFilter, upperFilter);
-
- store.index("alarm").openCursor(range).onsuccess = function onsuccess(event) {
- let cursor = event.target.result;
- if (cursor) {
- if (cursor.value.startTime) {
- cursor.value.relativeThreshold = cursor.value.threshold;
- cursor.update(cursor.value);
- }
- cursor.continue();
- return;
- }
- };
- }, aResultCb);
- }
-};