flutter_flutter/engine/platform/network/ResourceLoadTiming.h
Eric Seidel e0fd75b5ab Make absolute and sort all Sky headers
This caused us to lose our gn check certification. :(

Turns out gn check was just ignoring all the header
paths it didn't understand and so gn check passing
for sky wasn't meaning much.  I tried to straighten
out some of the mess in this CL, but its going to take
several more rounds of massaging before gn check
passes again.  On the bright side (almost) all of
our headers are absolute now.  Turns out my script
(attached to the bug) didn't notice ../ includes
but I'll fix that in the next patch.

R=abarth@chromium.org
BUG=435361

Review URL: https://codereview.chromium.org/746023002
2014-11-20 17:42:05 -08:00

122 lines
4.3 KiB
C++

/*
* Copyright (C) 2010 Google, Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef ResourceLoadTiming_h
#define ResourceLoadTiming_h
#include "sky/engine/wtf/PassRefPtr.h"
#include "sky/engine/wtf/RefCounted.h"
#include "sky/engine/wtf/RefPtr.h"
namespace blink {
class ResourceLoadTiming : public RefCounted<ResourceLoadTiming> {
public:
static PassRefPtr<ResourceLoadTiming> create()
{
return adoptRef(new ResourceLoadTiming);
}
PassRefPtr<ResourceLoadTiming> deepCopy()
{
RefPtr<ResourceLoadTiming> timing = create();
timing->requestTime = requestTime;
timing->proxyStart = proxyStart;
timing->proxyEnd = proxyEnd;
timing->dnsStart = dnsStart;
timing->dnsEnd = dnsEnd;
timing->connectStart = connectStart;
timing->connectEnd = connectEnd;
timing->sendStart = sendStart;
timing->sendEnd = sendEnd;
timing->receiveHeadersEnd = receiveHeadersEnd;
timing->sslStart = sslStart;
timing->sslEnd = sslEnd;
return timing.release();
}
bool operator==(const ResourceLoadTiming& other) const
{
return requestTime == other.requestTime
&& proxyStart == other.proxyStart
&& proxyEnd == other.proxyEnd
&& dnsStart == other.dnsStart
&& dnsEnd == other.dnsEnd
&& connectStart == other.connectStart
&& connectEnd == other.connectEnd
&& sendStart == other.sendStart
&& sendEnd == other.sendEnd
&& receiveHeadersEnd == other.receiveHeadersEnd
&& sslStart == other.sslStart
&& sslEnd == other.sslEnd;
}
bool operator!=(const ResourceLoadTiming& other) const
{
return !(*this == other);
}
// We want to present a unified timeline to Javascript. Using walltime is problematic, because the clock may skew while resources
// load. To prevent that skew, we record a single reference walltime when root document navigation begins. All other times are
// recorded using monotonicallyIncreasingTime(). When a time needs to be presented to Javascript, we build a pseudo-walltime
// using the following equation (requestTime as example):
// pseudo time = document wall reference + (requestTime - document monotonic reference).
double requestTime; // All monotonicallyIncreasingTime() in seconds
double proxyStart;
double proxyEnd;
double dnsStart;
double dnsEnd;
double connectStart;
double connectEnd;
double sendStart;
double sendEnd;
double receiveHeadersEnd;
double sslStart;
double sslEnd;
double calculateMillisecondDelta(double time) const { return time ? (time - requestTime) * 1000 : -1; }
private:
ResourceLoadTiming()
: requestTime(0)
, proxyStart(0)
, proxyEnd(0)
, dnsStart(0)
, dnsEnd(0)
, connectStart(0)
, connectEnd(0)
, sendStart(0)
, sendEnd(0)
, receiveHeadersEnd(0)
, sslStart(0)
, sslEnd(0)
{
}
};
}
#endif