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| 1 /* | |
| 2 * Copyright (C) 2010 Google, Inc. All Rights Reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions | |
| 6 * are met: | |
| 7 * 1. Redistributions of source code must retain the above copyright | |
| 8 * notice, this list of conditions and the following disclaimer. | |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer in the | |
| 11 * documentation and/or other materials provided with the distribution. | |
| 12 * | |
| 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY | |
| 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR | |
| 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 24 */ | |
| 25 | |
| 26 #ifndef ResourceLoadTiming_h | |
| 27 #define ResourceLoadTiming_h | |
| 28 | |
| 29 #include "wtf/PassRefPtr.h" | |
| 30 #include "wtf/RefCounted.h" | |
| 31 #include "wtf/RefPtr.h" | |
| 32 | |
| 33 namespace WebCore { | |
| 34 | |
| 35 class DocumentLoadTiming; | |
| 36 | |
| 37 class ResourceLoadTiming : public RefCounted<ResourceLoadTiming> { | |
| 38 public: | |
| 39 static PassRefPtr<ResourceLoadTiming> create() | |
| 40 { | |
| 41 return adoptRef(new ResourceLoadTiming); | |
| 42 } | |
| 43 | |
| 44 PassRefPtr<ResourceLoadTiming> deepCopy() | |
| 45 { | |
| 46 RefPtr<ResourceLoadTiming> timing = create(); | |
| 47 timing->requestTime = requestTime; | |
| 48 timing->proxyStart = proxyStart; | |
| 49 timing->proxyEnd = proxyEnd; | |
| 50 timing->dnsStart = dnsStart; | |
| 51 timing->dnsEnd = dnsEnd; | |
| 52 timing->connectStart = connectStart; | |
| 53 timing->connectEnd = connectEnd; | |
| 54 timing->sendStart = sendStart; | |
| 55 timing->sendEnd = sendEnd; | |
| 56 timing->receiveHeadersEnd = receiveHeadersEnd; | |
| 57 timing->sslStart = sslStart; | |
| 58 timing->sslEnd = sslEnd; | |
| 59 return timing.release(); | |
| 60 } | |
| 61 | |
| 62 bool operator==(const ResourceLoadTiming& other) const | |
| 63 { | |
| 64 return requestTime == other.requestTime | |
| 65 && proxyStart == other.proxyStart | |
| 66 && proxyEnd == other.proxyEnd | |
| 67 && dnsStart == other.dnsStart | |
| 68 && dnsEnd == other.dnsEnd | |
| 69 && connectStart == other.connectStart | |
| 70 && connectEnd == other.connectEnd | |
| 71 && sendStart == other.sendStart | |
| 72 && sendEnd == other.sendEnd | |
| 73 && receiveHeadersEnd == other.receiveHeadersEnd | |
| 74 && sslStart == other.sslStart | |
| 75 && sslEnd == other.sslEnd; | |
| 76 } | |
| 77 | |
| 78 bool operator!=(const ResourceLoadTiming& other) const | |
| 79 { | |
| 80 return !(*this == other); | |
| 81 } | |
| 82 | |
| 83 // We want to present a unified timeline to Javascript. Using walltime is pr
oblematic, because the clock may skew while resources | |
| 84 // load. To prevent that skew, we record a single reference walltime when ro
ot document navigation begins. All other times are | |
| 85 // recorded using monotonicallyIncreasingTime(). When a time needs to be pre
sented to Javascript, we build a pseudo-walltime | |
| 86 // using the following equation (requestTime as example): | |
| 87 // pseudo time = document wall reference + (requestTime - document monoton
ic reference). | |
| 88 double requestTime; // All monotonicallyIncreasingTime() in seconds | |
| 89 double proxyStart; | |
| 90 double proxyEnd; | |
| 91 double dnsStart; | |
| 92 double dnsEnd; | |
| 93 double connectStart; | |
| 94 double connectEnd; | |
| 95 double sendStart; | |
| 96 double sendEnd; | |
| 97 double receiveHeadersEnd; | |
| 98 double sslStart; | |
| 99 double sslEnd; | |
| 100 | |
| 101 double calculateMillisecondDelta(double time) const { return time ? (time -
requestTime) * 1000 : -1; } | |
| 102 | |
| 103 private: | |
| 104 ResourceLoadTiming() | |
| 105 : requestTime(0) | |
| 106 , proxyStart(0) | |
| 107 , proxyEnd(0) | |
| 108 , dnsStart(0) | |
| 109 , dnsEnd(0) | |
| 110 , connectStart(0) | |
| 111 , connectEnd(0) | |
| 112 , sendStart(0) | |
| 113 , sendEnd(0) | |
| 114 , receiveHeadersEnd(0) | |
| 115 , sslStart(0) | |
| 116 , sslEnd(0) | |
| 117 { | |
| 118 } | |
| 119 }; | |
| 120 | |
| 121 } | |
| 122 | |
| 123 #endif | |
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Chromium Code Reviews
Issue 29123004:
Move core/platform/network to platform/network (Closed)
Base URL: svn://svn.chromium.org/blink/trunk