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|
// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
/**
* Dictionary of constants (initialized by browser).
*/
var LogEventType = null;
var LogEventPhase = null;
var ClientInfo = null;
var LogSourceType = null;
var LogLevelType = null;
var NetError = null;
var LoadFlag = null;
var AddressFamily = null;
/**
* Object to communicate between the renderer and the browser.
* @type {!BrowserBridge}
*/
var g_browser = null;
/**
* Main entry point. called once the page has loaded.
*/
function onLoaded() {
g_browser = new BrowserBridge();
// Create the view which displays events lists, and lets you select, filter
// and delete them.
var eventsView = new EventsView('eventsListTableBody',
'filterInput',
'filterCount',
'deleteSelected',
'deleteAll',
'selectAll',
'sortById',
'sortBySource',
'sortByDescription',
// IDs for the details view.
'detailsTabHandles',
'detailsLogTab',
'detailsTimelineTab',
'detailsLogBox',
'detailsTimelineBox',
// IDs for the layout boxes.
'filterBox',
'eventsBox',
'actionBox',
'splitterBox');
// Create a view which will display info on the proxy setup.
var proxyView = new ProxyView('proxyTabContent',
'proxyOriginalSettings',
'proxyEffectiveSettings',
'proxyReloadSettings',
'badProxiesTableBody',
'clearBadProxies',
'proxyResolverLog');
// Create a view which will display information on the host resolver.
var dnsView = new DnsView('dnsTabContent',
'hostResolverCacheTbody',
'clearHostResolverCache',
'hostResolverDefaultFamily',
'hostResolverIPv6Disabled',
'hostResolverEnableIPv6',
'hostResolverCacheCapacity',
'hostResolverCacheTTLSuccess',
'hostResolverCacheTTLFailure');
// Create a view which will display import/export options to control the
// captured data.
var dataView = new DataView('dataTabContent', 'exportedDataText',
'exportToText', 'securityStrippingCheckbox',
'byteLoggingCheckbox',
'passivelyCapturedCount',
'activelyCapturedCount',
'dataViewDeleteAll');
// Create a view which will display the results and controls for connection
// tests.
var testView = new TestView('testTabContent', 'testUrlInput',
'connectionTestsForm', 'testSummary');
var httpCacheView = new HttpCacheView('httpCacheTabContent',
'httpCacheStats');
var socketsView = new SocketsView('socketsTabContent',
'socketPoolDiv',
'socketPoolGroupsDiv');
var spdyView = new SpdyView('spdyTabContent',
'spdySessionNoneSpan',
'spdySessionLinkSpan',
'spdySessionDiv');
var serviceView;
if (g_browser.isPlatformWindows()) {
serviceView = new ServiceProvidersView('serviceProvidersTab',
'serviceProvidersTabContent',
'serviceProvidersTbody',
'namespaceProvidersTbody');
}
// Create a view which lets you tab between the different sub-views.
var categoryTabSwitcher =
new TabSwitcherView(new DivView('categoryTabHandles'));
// Populate the main tabs.
categoryTabSwitcher.addTab('eventsTab', eventsView, false);
categoryTabSwitcher.addTab('proxyTab', proxyView, false);
categoryTabSwitcher.addTab('dnsTab', dnsView, false);
categoryTabSwitcher.addTab('socketsTab', socketsView, false);
categoryTabSwitcher.addTab('spdyTab', spdyView, false);
categoryTabSwitcher.addTab('httpCacheTab', httpCacheView, false);
categoryTabSwitcher.addTab('dataTab', dataView, false);
if (g_browser.isPlatformWindows())
categoryTabSwitcher.addTab('serviceProvidersTab', serviceView, false);
categoryTabSwitcher.addTab('testTab', testView, false);
// Build a map from the anchor name of each tab handle to its "tab ID".
// We will consider navigations to the #hash as a switch tab request.
var anchorMap = {};
var tabIds = categoryTabSwitcher.getAllTabIds();
for (var i = 0; i < tabIds.length; ++i) {
var aNode = document.getElementById(tabIds[i]);
anchorMap[aNode.hash] = tabIds[i];
}
// Default the empty hash to the data tab.
anchorMap['#'] = anchorMap[''] = 'dataTab';
window.onhashchange = onUrlHashChange.bind(null, anchorMap,
categoryTabSwitcher);
// Make this category tab widget the primary view, that fills the whole page.
var windowView = new WindowView(categoryTabSwitcher);
// Trigger initial layout.
windowView.resetGeometry();
// Select the initial view based on the current URL.
window.onhashchange();
// Tell the browser that we are ready to start receiving log events.
g_browser.sendReady();
}
/**
* This class provides a "bridge" for communicating between the javascript and
* the browser.
*
* @constructor
*/
function BrowserBridge() {
// List of observers for various bits of browser state.
this.logObservers_ = [];
this.connectionTestsObservers_ = [];
this.pollableDataHelpers_ = {};
this.pollableDataHelpers_.proxySettings =
new PollableDataHelper('onProxySettingsChanged',
this.sendGetProxySettings.bind(this));
this.pollableDataHelpers_.badProxies =
new PollableDataHelper('onBadProxiesChanged',
this.sendGetBadProxies.bind(this));
this.pollableDataHelpers_.httpCacheInfo =
new PollableDataHelper('onHttpCacheInfoChanged',
this.sendGetHttpCacheInfo.bind(this));
this.pollableDataHelpers_.hostResolverInfo =
new PollableDataHelper('onHostResolverInfoChanged',
this.sendGetHostResolverInfo.bind(this));
this.pollableDataHelpers_.socketPoolInfo =
new PollableDataHelper('onSocketPoolInfoChanged',
this.sendGetSocketPoolInfo.bind(this));
this.pollableDataHelpers_.spdySessionInfo =
new PollableDataHelper('onSpdySessionInfoChanged',
this.sendGetSpdySessionInfo.bind(this));
if (this.isPlatformWindows()) {
this.pollableDataHelpers_.serviceProviders =
new PollableDataHelper('onServiceProvidersChanged',
this.sendGetServiceProviders.bind(this));
}
// Cache of the data received.
this.numPassivelyCapturedEvents_ = 0;
this.capturedEvents_ = [];
// Next unique id to be assigned to a log entry without a source.
// Needed to simplify deletion, identify associated GUI elements, etc.
this.nextSourcelessEventId_ = -1;
}
/*
* Takes the current hash in form of "#tab¶m1=value1¶m2=value2&...".
* Puts the parameters in an object, and passes the resulting object to
* |categoryTabSwitcher|. Uses tab and |anchorMap| to find a tab ID,
* which it also passes to the tab switcher.
*
* Parameters and values are decoded with decodeURIComponent().
*/
function onUrlHashChange(anchorMap, categoryTabSwitcher) {
var parameters = window.location.hash.split('&');
var tabId = anchorMap[parameters[0]];
if (!tabId)
return;
// Split each string except the first around the '='.
var paramDict = null;
for (var i = 1; i < parameters.length; i++) {
var paramStrings = parameters[i].split('=');
if (paramStrings.length != 2)
continue;
if (paramDict == null)
paramDict = {};
var key = decodeURIComponent(paramStrings[0]);
var value = decodeURIComponent(paramStrings[1]);
paramDict[key] = value;
}
categoryTabSwitcher.switchToTab(tabId, paramDict);
}
/**
* Delay in milliseconds between updates of certain browser information.
*/
BrowserBridge.POLL_INTERVAL_MS = 5000;
//------------------------------------------------------------------------------
// Messages sent to the browser
//------------------------------------------------------------------------------
BrowserBridge.prototype.sendReady = function() {
chrome.send('notifyReady');
// Some of the data we are interested is not currently exposed as a stream,
// so we will poll the browser to find out when it changes and then notify
// the observers.
window.setInterval(this.checkForUpdatedInfo.bind(this, false),
BrowserBridge.POLL_INTERVAL_MS);
};
BrowserBridge.prototype.isPlatformWindows = function() {
return /Win/.test(navigator.platform);
};
BrowserBridge.prototype.sendGetProxySettings = function() {
// The browser will call receivedProxySettings on completion.
chrome.send('getProxySettings');
};
BrowserBridge.prototype.sendReloadProxySettings = function() {
chrome.send('reloadProxySettings');
};
BrowserBridge.prototype.sendGetBadProxies = function() {
// The browser will call receivedBadProxies on completion.
chrome.send('getBadProxies');
};
BrowserBridge.prototype.sendGetHostResolverInfo = function() {
// The browser will call receivedHostResolverInfo on completion.
chrome.send('getHostResolverInfo');
};
BrowserBridge.prototype.sendClearBadProxies = function() {
chrome.send('clearBadProxies');
};
BrowserBridge.prototype.sendClearHostResolverCache = function() {
chrome.send('clearHostResolverCache');
};
BrowserBridge.prototype.sendStartConnectionTests = function(url) {
chrome.send('startConnectionTests', [url]);
};
BrowserBridge.prototype.sendGetHttpCacheInfo = function() {
chrome.send('getHttpCacheInfo');
};
BrowserBridge.prototype.sendGetSocketPoolInfo = function() {
chrome.send('getSocketPoolInfo');
};
BrowserBridge.prototype.sendGetSpdySessionInfo = function() {
chrome.send('getSpdySessionInfo');
};
BrowserBridge.prototype.sendGetServiceProviders = function() {
chrome.send('getServiceProviders');
};
BrowserBridge.prototype.enableIPv6 = function() {
chrome.send('enableIPv6');
};
BrowserBridge.prototype.setLogLevel = function(logLevel) {
chrome.send('setLogLevel', ['' + logLevel]);
}
//------------------------------------------------------------------------------
// Messages received from the browser
//------------------------------------------------------------------------------
BrowserBridge.prototype.receivedLogEntry = function(logEntry) {
// Silently drop entries received before ready to receive them.
if (!this.areLogTypesReady_())
return;
// Assign unique ID, if needed.
if (logEntry.source.id == 0) {
logEntry.source.id = this.nextSourcelessEventId_;
--this.nextSourcelessEventId_;
}
this.capturedEvents_.push(logEntry);
for (var i = 0; i < this.logObservers_.length; ++i)
this.logObservers_[i].onLogEntryAdded(logEntry);
};
BrowserBridge.prototype.receivedLogEventTypeConstants = function(constantsMap) {
LogEventType = constantsMap;
};
BrowserBridge.prototype.receivedClientInfo =
function(info) {
ClientInfo = info;
};
BrowserBridge.prototype.receivedLogEventPhaseConstants =
function(constantsMap) {
LogEventPhase = constantsMap;
};
BrowserBridge.prototype.receivedLogSourceTypeConstants =
function(constantsMap) {
LogSourceType = constantsMap;
};
BrowserBridge.prototype.receivedLogLevelConstants =
function(constantsMap) {
LogLevelType = constantsMap;
};
BrowserBridge.prototype.receivedLoadFlagConstants = function(constantsMap) {
LoadFlag = constantsMap;
};
BrowserBridge.prototype.receivedNetErrorConstants = function(constantsMap) {
NetError = constantsMap;
};
BrowserBridge.prototype.receivedAddressFamilyConstants =
function(constantsMap) {
AddressFamily = constantsMap;
};
BrowserBridge.prototype.receivedTimeTickOffset = function(timeTickOffset) {
this.timeTickOffset_ = timeTickOffset;
};
BrowserBridge.prototype.receivedProxySettings = function(proxySettings) {
this.pollableDataHelpers_.proxySettings.update(proxySettings);
};
BrowserBridge.prototype.receivedBadProxies = function(badProxies) {
this.pollableDataHelpers_.badProxies.update(badProxies);
};
BrowserBridge.prototype.receivedHostResolverInfo =
function(hostResolverInfo) {
this.pollableDataHelpers_.hostResolverInfo.update(hostResolverInfo);
};
BrowserBridge.prototype.receivedSocketPoolInfo = function(socketPoolInfo) {
this.pollableDataHelpers_.socketPoolInfo.update(socketPoolInfo);
};
BrowserBridge.prototype.receivedSpdySessionInfo = function(spdySessionInfo) {
this.pollableDataHelpers_.spdySessionInfo.update(spdySessionInfo);
};
BrowserBridge.prototype.receivedServiceProviders = function(serviceProviders) {
this.pollableDataHelpers_.serviceProviders.update(serviceProviders);
};
BrowserBridge.prototype.receivedPassiveLogEntries = function(entries) {
this.numPassivelyCapturedEvents_ += entries.length;
for (var i = 0; i < entries.length; ++i) {
var entry = entries[i];
entry.wasPassivelyCaptured = true;
this.receivedLogEntry(entry);
}
};
BrowserBridge.prototype.receivedStartConnectionTestSuite = function() {
for (var i = 0; i < this.connectionTestsObservers_.length; ++i)
this.connectionTestsObservers_[i].onStartedConnectionTestSuite();
};
BrowserBridge.prototype.receivedStartConnectionTestExperiment = function(
experiment) {
for (var i = 0; i < this.connectionTestsObservers_.length; ++i) {
this.connectionTestsObservers_[i].onStartedConnectionTestExperiment(
experiment);
}
};
BrowserBridge.prototype.receivedCompletedConnectionTestExperiment =
function(info) {
for (var i = 0; i < this.connectionTestsObservers_.length; ++i) {
this.connectionTestsObservers_[i].onCompletedConnectionTestExperiment(
info.experiment, info.result);
}
};
BrowserBridge.prototype.receivedCompletedConnectionTestSuite = function() {
for (var i = 0; i < this.connectionTestsObservers_.length; ++i)
this.connectionTestsObservers_[i].onCompletedConnectionTestSuite();
};
BrowserBridge.prototype.receivedHttpCacheInfo = function(info) {
this.pollableDataHelpers_.httpCacheInfo.update(info);
};
BrowserBridge.prototype.areLogTypesReady_ = function() {
return (LogEventType != null &&
LogEventPhase != null &&
LogSourceType != null);
};
//------------------------------------------------------------------------------
/**
* Adds a listener of log entries. |observer| will be called back when new log
* data arrives, through:
*
* observer.onLogEntryAdded(logEntry)
*/
BrowserBridge.prototype.addLogObserver = function(observer) {
this.logObservers_.push(observer);
};
/**
* Adds a listener of the proxy settings. |observer| will be called back when
* data is received, through:
*
* observer.onProxySettingsChanged(proxySettings)
*
* |proxySettings| is a dictionary with (up to) two properties:
*
* "original" -- The settings that chrome was configured to use
* (i.e. system settings.)
* "effective" -- The "effective" proxy settings that chrome is using.
* (decides between the manual/automatic modes of the
* fetched settings).
*
* Each of these two configurations is formatted as a string, and may be
* omitted if not yet initialized.
*
* TODO(eroman): send a dictionary instead.
*/
BrowserBridge.prototype.addProxySettingsObserver = function(observer) {
this.pollableDataHelpers_.proxySettings.addObserver(observer);
};
/**
* Adds a listener of the proxy settings. |observer| will be called back when
* data is received, through:
*
* observer.onBadProxiesChanged(badProxies)
*
* |badProxies| is an array, where each entry has the property:
* badProxies[i].proxy_uri: String identify the proxy.
* badProxies[i].bad_until: The time when the proxy stops being considered
* bad. Note the time is in time ticks.
*/
BrowserBridge.prototype.addBadProxiesObserver = function(observer) {
this.pollableDataHelpers_.badProxies.addObserver(observer);
};
/**
* Adds a listener of the host resolver info. |observer| will be called back
* when data is received, through:
*
* observer.onHostResolverInfoChanged(hostResolverInfo)
*/
BrowserBridge.prototype.addHostResolverInfoObserver = function(observer) {
this.pollableDataHelpers_.hostResolverInfo.addObserver(observer);
};
/**
* Adds a listener of the socket pool. |observer| will be called back
* when data is received, through:
*
* observer.onSocketPoolInfoChanged(socketPoolInfo)
*/
BrowserBridge.prototype.addSocketPoolInfoObserver = function(observer) {
this.pollableDataHelpers_.socketPoolInfo.addObserver(observer);
};
/**
* Adds a listener of the SPDY info. |observer| will be called back
* when data is received, through:
*
* observer.onSpdySessionInfoChanged(spdySessionInfo)
*/
BrowserBridge.prototype.addSpdySessionInfoObserver = function(observer) {
this.pollableDataHelpers_.spdySessionInfo.addObserver(observer);
};
/**
* Adds a listener of the service providers info. |observer| will be called
* back when data is received, through:
*
* observer.onServiceProvidersChanged(serviceProviders)
*/
BrowserBridge.prototype.addServiceProvidersObserver = function(observer) {
this.pollableDataHelpers_.serviceProviders.addObserver(observer);
};
/**
* Adds a listener for the progress of the connection tests.
* The observer will be called back with:
*
* observer.onStartedConnectionTestSuite();
* observer.onStartedConnectionTestExperiment(experiment);
* observer.onCompletedConnectionTestExperiment(experiment, result);
* observer.onCompletedConnectionTestSuite();
*/
BrowserBridge.prototype.addConnectionTestsObserver = function(observer) {
this.connectionTestsObservers_.push(observer);
};
/**
* Adds a listener for the http cache info results.
* The observer will be called back with:
*
* observer.onHttpCacheInfoChanged(info);
*/
BrowserBridge.prototype.addHttpCacheInfoObserver = function(observer) {
this.pollableDataHelpers_.httpCacheInfo.addObserver(observer);
};
/**
* The browser gives us times in terms of "time ticks" in milliseconds.
* This function converts the tick count to a Date() object.
*
* @param {String} timeTicks.
* @returns {Date} The time that |timeTicks| represents.
*/
BrowserBridge.prototype.convertTimeTicksToDate = function(timeTicks) {
// Note that the subtraction by 0 is to cast to a number (probably a float
// since the numbers are big).
var timeStampMs = (this.timeTickOffset_ - 0) + (timeTicks - 0);
var d = new Date();
d.setTime(timeStampMs);
return d;
};
/**
* Returns a list of all captured events.
*/
BrowserBridge.prototype.getAllCapturedEvents = function() {
return this.capturedEvents_;
};
/**
* Returns the number of events that were captured while we were
* listening for events.
*/
BrowserBridge.prototype.getNumActivelyCapturedEvents = function() {
return this.capturedEvents_.length - this.numPassivelyCapturedEvents_;
};
/**
* Returns the number of events that were captured passively by the
* browser prior to when the net-internals page was started.
*/
BrowserBridge.prototype.getNumPassivelyCapturedEvents = function() {
return this.numPassivelyCapturedEvents_;
};
/**
* Deletes captured events with source IDs in |sourceIds|.
*/
BrowserBridge.prototype.deleteEventsBySourceId = function(sourceIds) {
var sourceIdDict = {};
for (var i = 0; i < sourceIds.length; i++)
sourceIdDict[sourceIds[i]] = true;
var newEventList = [];
for (var i = 0; i < this.capturedEvents_.length; ++i) {
var id = this.capturedEvents_[i].source.id;
if (id in sourceIdDict) {
if (this.capturedEvents_[i].wasPassivelyCaptured)
--this.numPassivelyCapturedEvents_;
continue;
}
newEventList.push(this.capturedEvents_[i]);
}
this.capturedEvents_ = newEventList;
for (var i = 0; i < this.logObservers_.length; ++i)
this.logObservers_[i].onLogEntriesDeleted(sourceIds);
};
/**
* Deletes all captured events.
*/
BrowserBridge.prototype.deleteAllEvents = function() {
this.capturedEvents_ = [];
this.numPassivelyCapturedEvents_ = 0;
for (var i = 0; i < this.logObservers_.length; ++i)
this.logObservers_[i].onAllLogEntriesDeleted();
};
/**
* If |force| is true, calls all startUpdate functions. Otherwise, just
* runs updates with active observers.
*/
BrowserBridge.prototype.checkForUpdatedInfo = function(force) {
for (name in this.pollableDataHelpers_) {
var helper = this.pollableDataHelpers_[name];
if (force || helper.hasActiveObserver())
helper.startUpdate();
}
};
/**
* Calls all startUpdate functions and, if |callback| is non-null,
* calls it with the results of all updates.
*/
BrowserBridge.prototype.updateAllInfo = function(callback) {
if (callback)
new UpdateAllObserver(callback, this.pollableDataHelpers_);
this.checkForUpdatedInfo(true);
};
/**
* This is a helper class used by BrowserBridge, to keep track of:
* - the list of observers interested in some piece of data.
* - the last known value of that piece of data.
* - the name of the callback method to invoke on observers.
* - the update function.
* @constructor
*/
function PollableDataHelper(observerMethodName, startUpdateFunction) {
this.observerMethodName_ = observerMethodName;
this.startUpdate = startUpdateFunction;
this.observerInfos_ = [];
}
PollableDataHelper.prototype.getObserverMethodName = function() {
return this.observerMethodName_;
};
/**
* This is a helper class used by PollableDataHelper, to keep track of
* each observer and whether or not it has received any data. The
* latter is used to make sure that new observers get sent data on the
* update following their creation.
* @constructor
*/
function ObserverInfo(observer) {
this.observer = observer;
this.hasReceivedData = false;
}
PollableDataHelper.prototype.addObserver = function(observer) {
this.observerInfos_.push(new ObserverInfo(observer));
};
PollableDataHelper.prototype.removeObserver = function(observer) {
for (var i = 0; i < this.observerInfos_.length; ++i) {
if (this.observerInfos_[i].observer == observer) {
this.observerInfos_.splice(i, 1);
return;
}
}
};
/**
* Helper function to handle calling all the observers, but ONLY if the data has
* actually changed since last time or the observer has yet to receive any data.
* This is used for data we received from browser on an update loop.
*/
PollableDataHelper.prototype.update = function(data) {
var prevData = this.currentData_;
var changed = false;
// If the data hasn't changed since last time, will only need to notify
// observers that have not yet received any data.
if (!prevData || JSON.stringify(prevData) != JSON.stringify(data)) {
changed = true;
this.currentData_ = data;
}
// Notify the observers of the change, as needed.
for (var i = 0; i < this.observerInfos_.length; ++i) {
var observerInfo = this.observerInfos_[i];
if (changed || !observerInfo.hasReceivedData) {
observerInfo.observer[this.observerMethodName_](this.currentData_);
observerInfo.hasReceivedData = true;
}
}
};
/**
* Returns true if one of the observers actively wants the data
* (i.e. is visible).
*/
PollableDataHelper.prototype.hasActiveObserver = function() {
for (var i = 0; i < this.observerInfos_.length; ++i) {
if (this.observerInfos_[i].observer.isActive())
return true;
}
return false;
};
/**
* This is a helper class used by BrowserBridge to send data to
* a callback once data from all polls has been received.
*
* It works by keeping track of how many polling functions have
* yet to receive data, and recording the data as it it received.
*
* @constructor
*/
function UpdateAllObserver(callback, pollableDataHelpers) {
this.callback_ = callback;
this.observingCount_ = 0;
this.updatedData_ = {};
for (name in pollableDataHelpers) {
++this.observingCount_;
var helper = pollableDataHelpers[name];
helper.addObserver(this);
this[helper.getObserverMethodName()] =
this.onDataReceived_.bind(this, helper, name);
}
}
UpdateAllObserver.prototype.isActive = function() {
return true;
};
UpdateAllObserver.prototype.onDataReceived_ = function(helper, name, data) {
helper.removeObserver(this);
--this.observingCount_;
this.updatedData_[name] = data;
if (this.observingCount_ == 0)
this.callback_(this.updatedData_);
};
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