From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- netwerk/base/nsDNSPrefetch.h | 53 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 netwerk/base/nsDNSPrefetch.h (limited to 'netwerk/base/nsDNSPrefetch.h') diff --git a/netwerk/base/nsDNSPrefetch.h b/netwerk/base/nsDNSPrefetch.h new file mode 100644 index 000000000..3ad6d4bf0 --- /dev/null +++ b/netwerk/base/nsDNSPrefetch.h @@ -0,0 +1,53 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef nsDNSPrefetch_h___ +#define nsDNSPrefetch_h___ + +#include "nsWeakReference.h" +#include "nsString.h" +#include "mozilla/TimeStamp.h" +#include "mozilla/Attributes.h" + +#include "nsIDNSListener.h" + +class nsIURI; +class nsIDNSService; + +class nsDNSPrefetch final : public nsIDNSListener +{ + ~nsDNSPrefetch() {} + +public: + NS_DECL_THREADSAFE_ISUPPORTS + NS_DECL_NSIDNSLISTENER + + nsDNSPrefetch(nsIURI *aURI, nsIDNSListener *aListener, bool storeTiming); + bool TimingsValid() const { + return !mStartTimestamp.IsNull() && !mEndTimestamp.IsNull(); + } + // Only use the two timings if TimingsValid() returns true + const mozilla::TimeStamp& StartTimestamp() const { return mStartTimestamp; } + const mozilla::TimeStamp& EndTimestamp() const { return mEndTimestamp; } + + static nsresult Initialize(nsIDNSService *aDNSService); + static nsresult Shutdown(); + + // Call one of the following methods to start the Prefetch. + nsresult PrefetchHigh(bool refreshDNS = false); + nsresult PrefetchMedium(bool refreshDNS = false); + nsresult PrefetchLow(bool refreshDNS = false); + +private: + nsCString mHostname; + bool mStoreTiming; + mozilla::TimeStamp mStartTimestamp; + mozilla::TimeStamp mEndTimestamp; + nsWeakPtr mListener; + + nsresult Prefetch(uint16_t flags); +}; + +#endif -- cgit v1.2.3