| /* |
| * 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 THIRD_PARTY_BLINK_RENDERER_PLATFORM_LOADER_FETCH_RESOURCE_LOAD_TIMING_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_PLATFORM_LOADER_FETCH_RESOURCE_LOAD_TIMING_H_ |
| |
| #include "base/memory/scoped_refptr.h" |
| #include "third_party/blink/renderer/platform/platform_export.h" |
| #include "third_party/blink/renderer/platform/wtf/ref_counted.h" |
| #include "third_party/blink/renderer/platform/wtf/time.h" |
| |
| namespace blink { |
| |
| class PLATFORM_EXPORT ResourceLoadTiming |
| : public RefCounted<ResourceLoadTiming> { |
| public: |
| static scoped_refptr<ResourceLoadTiming> Create(); |
| |
| scoped_refptr<ResourceLoadTiming> DeepCopy(); |
| bool operator==(const ResourceLoadTiming&) const; |
| bool operator!=(const ResourceLoadTiming&) const; |
| |
| void SetDnsStart(TimeTicks); |
| void SetRequestTime(TimeTicks); |
| void SetProxyStart(TimeTicks); |
| void SetProxyEnd(TimeTicks); |
| void SetDnsEnd(TimeTicks); |
| void SetConnectStart(TimeTicks); |
| void SetConnectEnd(TimeTicks); |
| void SetWorkerStart(TimeTicks); |
| void SetWorkerReady(TimeTicks); |
| void SetSendStart(TimeTicks); |
| void SetSendEnd(TimeTicks); |
| void SetReceiveHeadersStart(TimeTicks); |
| void SetReceiveHeadersEnd(TimeTicks); |
| void SetSslStart(TimeTicks); |
| void SetSslEnd(TimeTicks); |
| void SetPushStart(TimeTicks); |
| void SetPushEnd(TimeTicks); |
| |
| TimeTicks DnsStart() const { return dns_start_; } |
| TimeTicks RequestTime() const { return request_time_; } |
| TimeTicks ProxyStart() const { return proxy_start_; } |
| TimeTicks ProxyEnd() const { return proxy_end_; } |
| TimeTicks DnsEnd() const { return dns_end_; } |
| TimeTicks ConnectStart() const { return connect_start_; } |
| TimeTicks ConnectEnd() const { return connect_end_; } |
| TimeTicks WorkerStart() const { return worker_start_; } |
| TimeTicks WorkerReady() const { return worker_ready_; } |
| TimeTicks SendStart() const { return send_start_; } |
| TimeTicks SendEnd() const { return send_end_; } |
| TimeTicks ReceiveHeadersStart() const { return receive_headers_start_; } |
| TimeTicks ReceiveHeadersEnd() const { return receive_headers_end_; } |
| TimeTicks SslStart() const { return ssl_start_; } |
| TimeTicks SslEnd() const { return ssl_end_; } |
| TimeTicks PushStart() const { return push_start_; } |
| TimeTicks PushEnd() const { return push_end_; } |
| |
| double CalculateMillisecondDelta(TimeTicks) const; |
| |
| private: |
| ResourceLoadTiming(); |
| |
| // 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 |
| // (m_requestTime as example): |
| // pseudo time = document wall reference + |
| // (m_requestTime - document monotonic reference). |
| |
| // All values from monotonicallyIncreasingTime(), in WTF::TimeTicks. |
| TimeTicks request_time_; |
| TimeTicks proxy_start_; |
| TimeTicks proxy_end_; |
| TimeTicks dns_start_; |
| TimeTicks dns_end_; |
| TimeTicks connect_start_; |
| TimeTicks connect_end_; |
| TimeTicks worker_start_; |
| TimeTicks worker_ready_; |
| TimeTicks send_start_; |
| TimeTicks send_end_; |
| TimeTicks receive_headers_start_; |
| TimeTicks receive_headers_end_; |
| TimeTicks ssl_start_; |
| TimeTicks ssl_end_; |
| TimeTicks push_start_; |
| TimeTicks push_end_; |
| }; |
| |
| } // namespace blink |
| |
| #endif |