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// Copyright (c) 2013 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.
/**
* This view displays a summary of the state of each QUIC session, and
* has links to display them in the events tab.
*/
var QuicView = (function() {
'use strict';
// We inherit from DivView.
var superClass = DivView;
/**
* @constructor
*/
function QuicView() {
assertFirstConstructorCall(QuicView);
// Call superclass's constructor.
superClass.call(this, QuicView.MAIN_BOX_ID);
g_browser.addQuicInfoObserver(this, true);
this.quicEnabledSpan_ = $(QuicView.ENABLED_SPAN_ID);
this.quicUseSpdyOverQuicSpan_ = $(QuicView.USE_SPDY_OVER_QUIC_SPAN_ID);
this.quicForcePortSpan_ = $(QuicView.FORCE_PORT_SPAN_ID);
this.quicSessionNoneSpan_ = $(QuicView.SESSION_NONE_SPAN_ID);
this.quicSessionLinkSpan_ = $(QuicView.SESSION_LINK_SPAN_ID);
this.quicSessionDiv_ = $(QuicView.SESSION_DIV_ID);
}
// ID for special HTML element in category_tabs.html
QuicView.TAB_HANDLE_ID = 'tab-handle-quic';
// IDs for special HTML elements in quic_view.html
QuicView.MAIN_BOX_ID = 'quic-view-tab-content';
QuicView.ENABLED_SPAN_ID = 'quic-view-enabled-span';
QuicView.USE_SPDY_OVER_QUIC_SPAN_ID = 'quic-view-use-spdy-over-quic-span';
QuicView.FORCE_PORT_SPAN_ID = 'quic-view-force-port-span';
QuicView.SESSION_NONE_SPAN_ID = 'quic-view-session-none-span';
QuicView.SESSION_LINK_SPAN_ID = 'quic-view-session-link-span';
QuicView.SESSION_DIV_ID = 'quic-view-session-div';
cr.addSingletonGetter(QuicView);
QuicView.prototype = {
// Inherit the superclass's methods.
__proto__: superClass.prototype,
onLoadLogFinish: function(data) {
return this.onQuicInfoChanged(data.quicInfo);
},
/**
* If there are any sessions, display a single table with
* information on each QUIC session. Otherwise, displays "None".
*/
onQuicInfoChanged: function(quicInfo) {
this.quicSessionDiv_.innerHTML = '';
var hasNoSession =
(!quicInfo || !quicInfo.sessions || quicInfo.sessions.length == 0);
setNodeDisplay(this.quicSessionNoneSpan_, hasNoSession);
setNodeDisplay(this.quicSessionLinkSpan_, !hasNoSession);
// Only want to be hide the tab if there's no data. In the case of having
// data but no sessions, still show the tab.
if (!quicInfo)
return false;
this.quicEnabledSpan_.textContent = !!quicInfo.quic_enabled;
this.quicUseSpdyOverQuicSpan_.textContent = !!quicInfo.use_spdy_over_quic;
this.quicForcePortSpan_.textContent =
quicInfo.origin_port_to_force_quic_on;
if (!hasNoSession) {
var tablePrinter = createSessionTablePrinter(quicInfo.sessions);
tablePrinter.toHTML(this.quicSessionDiv_, 'styled-table');
}
return true;
},
};
/**
* Creates a table printer to print out the state of list of QUIC sessions.
*/
function createSessionTablePrinter(quicSessions) {
var tablePrinter = new TablePrinter();
tablePrinter.addHeaderCell('Host');
tablePrinter.addHeaderCell('Peer address');
tablePrinter.addHeaderCell('GUID');
tablePrinter.addHeaderCell('Active streams');
tablePrinter.addHeaderCell('Total streams');
for (var i = 0; i < quicSessions.length; i++) {
var session = quicSessions[i];
tablePrinter.addRow();
var host = session.host_port_pair;
if (session.aliases)
host += ' ' + session.aliases.join(' ');
tablePrinter.addCell(host);
tablePrinter.addCell(session.peer_address);
tablePrinter.addCell(session.guid);
tablePrinter.addCell(session.open_streams);
tablePrinter.addCell(session.total_streams);
}
return tablePrinter;
}
return QuicView;
})();
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