| /* |
| * 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 "NetworkLoadMetrics.h" |
| |
| #import <pal/spi/cocoa/NSURLConnectionSPI.h> |
| |
| namespace WebCore { |
| |
| static double timingValue(NSDictionary *timingData, NSString *key) |
| { |
| if (id object = [timingData objectForKey:key]) |
| return [object doubleValue]; |
| return 0.0; |
| } |
| |
| Box<NetworkLoadMetrics> copyTimingData(NSDictionary *timingData) |
| { |
| if (!timingData) |
| return nullptr; |
| |
| Box<NetworkLoadMetrics> timing = Box<NetworkLoadMetrics>::create(); |
| |
| // 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 = Seconds(domainLookupStart <= 0 ? -1 : domainLookupStart - referenceStart); |
| timing->domainLookupEnd = Seconds(domainLookupEnd <= 0 ? -1 : domainLookupEnd - referenceStart); |
| timing->connectStart = Seconds(connectStart <= 0 ? -1 : connectStart - referenceStart); |
| timing->secureConnectionStart = Seconds(secureConnectionStart <= 0 ? -1 : secureConnectionStart - referenceStart); |
| timing->connectEnd = Seconds(connectEnd <= 0 ? -1 : connectEnd - referenceStart); |
| timing->requestStart = Seconds(requestStart <= 0 ? 0 : requestStart - referenceStart); |
| timing->responseStart = Seconds(responseStart <= 0 ? 0 : responseStart - referenceStart); |
| |
| // NOTE: responseEnd is not populated in this code path. |
| return timing; |
| } |
| |
| } |