NetworkLoadTiming.mm [plain text]
/*
* Copyright (C) 2015 Apple, 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.
*/
#import "config.h"
#import "NetworkLoadTiming.h"
#import <WebCore/NSURLConnectionSPI.h>
namespace WebCore {
static double timingValue(NSDictionary *timingData, NSString *key)
{
if (id object = [timingData objectForKey:key])
return [object doubleValue];
return 0.0;
}
void copyTimingData(NSDictionary *timingData, NetworkLoadTiming& timing)
{
if (!timingData)
return;
// This is not the navigationStart time in monotonic time, but the other times are relative to this time
// and only the differences between times are stored.
double referenceStart = timingValue(timingData, @"_kCFNTimingDataFetchStart");
double domainLookupStart = timingValue(timingData, @"_kCFNTimingDataDomainLookupStart");
double domainLookupEnd = timingValue(timingData, @"_kCFNTimingDataDomainLookupEnd");
double connectStart = timingValue(timingData, @"_kCFNTimingDataConnectStart");
double secureConnectionStart = timingValue(timingData, @"_kCFNTimingDataSecureConnectionStart");
double connectEnd = timingValue(timingData, @"_kCFNTimingDataConnectEnd");
double requestStart = timingValue(timingData, @"_kCFNTimingDataRequestStart");
double responseStart = timingValue(timingData, @"_kCFNTimingDataResponseStart");
timing.domainLookupStart = domainLookupStart <= 0 ? -1 : (domainLookupStart - referenceStart) * 1000;
timing.domainLookupEnd = domainLookupEnd <= 0 ? -1 : (domainLookupEnd - referenceStart) * 1000;
timing.connectStart = connectStart <= 0 ? -1 : (connectStart - referenceStart) * 1000;
timing.secureConnectionStart = secureConnectionStart <= 0 ? -1 : (secureConnectionStart - referenceStart) * 1000;
timing.connectEnd = connectEnd <= 0 ? -1 : (connectEnd - referenceStart) * 1000;
timing.requestStart = requestStart <= 0 ? 0 : (requestStart - referenceStart) * 1000;
timing.responseStart = responseStart <= 0 ? 0 : (responseStart - referenceStart) * 1000;
}
#if !HAVE(TIMINGDATAOPTIONS)
void setCollectsTimingData()
{
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
[NSURLConnection _setCollectsTimingData:YES];
[NSURLConnection _collectTimingDataWithOptions:TimingDataCollectionNStatsOff | TimingDataCollectionConnectionDataOff];
});
}
#endif
}