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68 lines
1.8 KiB
C++
68 lines
1.8 KiB
C++
/* vim: set ts=2 sts=2 et sw=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 mozilla__net__ThrottlingService_h
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#define mozilla__net__ThrottlingService_h
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#include "nsIThrottlingService.h"
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#include "nsCOMArray.h"
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#include "nsCOMPtr.h"
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#include "nsInterfaceHashtable.h"
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#include "nsIObserver.h"
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#include "nsITimer.h"
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class nsIHttpChannel;
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namespace mozilla {
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namespace net {
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class ThrottlingService : public nsIThrottlingService
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, public nsIObserver
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, public nsITimerCallback
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSITHROTTLINGSERVICE
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NS_DECL_NSIOBSERVER
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NS_DECL_NSITIMERCALLBACK
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ThrottlingService();
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nsresult Init();
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void Shutdown();
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static nsresult Create(nsISupports *outer, const nsIID& iid, void **result);
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private:
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virtual ~ThrottlingService();
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void MaybeSuspendAll();
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void MaybeResumeAll();
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void HandleExtraAddRemove();
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bool mEnabled;
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bool mInitCalled;
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bool mSuspended;
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uint32_t mPressureCount;
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uint32_t mSuspendPeriod; // How long we should Suspend() channels for
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uint32_t mResumePeriod; // How long we should Resume() channels for
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nsCOMPtr<nsITimer> mTimer;
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typedef nsInterfaceHashtable<nsUint64HashKey, nsIHttpChannel> ChannelHash;
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ChannelHash mChannelHash;
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// Used to avoid inconsistencies in the hash and the suspend/resume count of
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// channels. See comments in AddChannel and RemoveChannel for details.
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void IterateHash(void (* callback)(ChannelHash::Iterator &iter));
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bool mIteratingHash;
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nsCOMArray<nsIHttpChannel> mChannelsToAddRemove;
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nsTArray<bool> mChannelIsAdd;
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};
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} // ::mozilla::net
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} // ::mozilla
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#endif // mozilla__net__ThrottlingService_h
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