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69 lines
2.1 KiB
C++
69 lines
2.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsDNSPrefetch_h___
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#define nsDNSPrefetch_h___
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#include <functional>
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#include "nsIWeakReferenceUtils.h"
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#include "nsString.h"
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#include "mozilla/TimeStamp.h"
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#include "mozilla/Attributes.h"
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#include "mozilla/BasePrincipal.h"
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#include "nsIDNSListener.h"
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#include "nsIRequest.h"
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class nsIURI;
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class nsIDNSService;
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class nsIDNSHTTPSSVCRecord;
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class nsDNSPrefetch final : public nsIDNSListener {
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~nsDNSPrefetch() = default;
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public:
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NS_DECL_THREADSAFE_ISUPPORTS
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NS_DECL_NSIDNSLISTENER
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nsDNSPrefetch(nsIURI* aURI, mozilla::OriginAttributes& aOriginAttributes,
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nsIRequest::TRRMode aTRRMode, nsIDNSListener* aListener,
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bool storeTiming);
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// For fetching HTTPS RR.
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nsDNSPrefetch(nsIURI* aURI, mozilla::OriginAttributes& aOriginAttributes,
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nsIRequest::TRRMode aTRRMode);
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bool TimingsValid() const {
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return !mStartTimestamp.IsNull() && !mEndTimestamp.IsNull();
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}
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// Only use the two timings if TimingsValid() returns true
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const mozilla::TimeStamp& StartTimestamp() const { return mStartTimestamp; }
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const mozilla::TimeStamp& EndTimestamp() const { return mEndTimestamp; }
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static nsresult Initialize(nsIDNSService* aDNSService);
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static nsresult Shutdown();
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// Call one of the following methods to start the Prefetch.
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nsresult PrefetchHigh(bool refreshDNS = false);
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nsresult PrefetchMedium(bool refreshDNS = false);
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nsresult PrefetchLow(bool refreshDNS = false);
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nsresult FetchHTTPSSVC(
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bool aRefreshDNS, bool aPrefetch,
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std::function<void(nsIDNSHTTPSSVCRecord*)>&& aCallback);
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private:
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nsCString mHostname;
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mozilla::OriginAttributes mOriginAttributes;
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bool mStoreTiming;
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nsIRequest::TRRMode mTRRMode;
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mozilla::TimeStamp mStartTimestamp;
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mozilla::TimeStamp mEndTimestamp;
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nsWeakPtr mListener;
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nsresult Prefetch(uint32_t flags);
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};
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#endif
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