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69 lines
1.7 KiB
C++
69 lines
1.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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_ThrottleQueue_h
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#define mozilla_net_ThrottleQueue_h
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#include "mozilla/TimeStamp.h"
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#include "nsINamed.h"
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#include "nsIThrottledInputChannel.h"
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#include "nsITimer.h"
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namespace mozilla {
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namespace net {
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class ThrottleInputStream;
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/**
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* An implementation of nsIInputChannelThrottleQueue that can be used
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* to throttle uploads. This class is not thread-safe.
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* Initialization and calls to WrapStream may be done on any thread;
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* but otherwise, after creation, it can only be used on the socket
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* thread. It currently throttles with a one second granularity, so
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* may be a bit choppy.
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*/
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class ThrottleQueue final
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: public nsIInputChannelThrottleQueue
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, public nsITimerCallback
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, public nsINamed
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{
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public:
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ThrottleQueue();
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NS_DECL_THREADSAFE_ISUPPORTS
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NS_DECL_NSIINPUTCHANNELTHROTTLEQUEUE
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NS_DECL_NSITIMERCALLBACK
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NS_DECL_NSINAMED
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void QueueStream(ThrottleInputStream* aStream);
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void DequeueStream(ThrottleInputStream* aStream);
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private:
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~ThrottleQueue();
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struct ThrottleEntry {
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TimeStamp mTime;
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uint32_t mBytesRead;
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};
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nsTArray<ThrottleEntry> mReadEvents;
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uint32_t mMeanBytesPerSecond;
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uint32_t mMaxBytesPerSecond;
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uint64_t mBytesProcessed;
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nsTArray<RefPtr<ThrottleInputStream>> mAsyncEvents;
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nsCOMPtr<nsITimer> mTimer;
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bool mTimerArmed;
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};
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}
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}
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#endif // mozilla_net_ThrottleQueue_h
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