128 lines
3.8 KiB
C++
128 lines
3.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; 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 mozilla_net_Http2Push_Internal_h
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#define mozilla_net_Http2Push_Internal_h
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// HTTP/2 - RFC 7540
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// https://www.rfc-editor.org/rfc/rfc7540.txt
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#include "Http2Session.h"
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#include "Http2Stream.h"
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#include "mozilla/Attributes.h"
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#include "mozilla/TimeStamp.h"
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#include "mozilla/UniquePtr.h"
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#include "nsHttpRequestHead.h"
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#include "nsILoadGroup.h"
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#include "nsISchedulingContext.h"
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#include "nsString.h"
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#include "PSpdyPush.h"
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namespace mozilla {
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namespace net {
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class Http2PushTransactionBuffer;
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class Http2PushedStream final : public Http2Stream
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{
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public:
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Http2PushedStream(Http2PushTransactionBuffer *aTransaction,
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Http2Session *aSession,
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Http2Stream *aAssociatedStream,
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uint32_t aID);
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virtual ~Http2PushedStream() {}
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bool GetPushComplete();
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// The consumer stream is the synthetic pull stream hooked up to this push
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virtual Http2Stream *GetConsumerStream() override { return mConsumerStream; };
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void SetConsumerStream(Http2Stream *aStream);
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bool GetHashKey(nsCString &key);
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// override of Http2Stream
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nsresult ReadSegments(nsAHttpSegmentReader *, uint32_t, uint32_t *) override;
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nsresult WriteSegments(nsAHttpSegmentWriter *, uint32_t, uint32_t *) override;
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nsISchedulingContext *SchedulingContext() override { return mSchedulingContext; };
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void ConnectPushedStream(Http2Stream *consumer);
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bool TryOnPush();
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virtual bool DeferCleanup(nsresult status) override;
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void SetDeferCleanupOnSuccess(bool val) { mDeferCleanupOnSuccess = val; }
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bool IsOrphaned(TimeStamp now);
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void OnPushFailed() { mDeferCleanupOnPush = false; mOnPushFailed = true; }
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nsresult GetBufferedData(char *buf, uint32_t count, uint32_t *countWritten);
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// overload of Http2Stream
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virtual bool HasSink() override { return !!mConsumerStream; }
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nsCString &GetRequestString() { return mRequestString; }
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private:
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Http2Stream *mConsumerStream; // paired request stream that consumes from
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// real http/2 one.. null until a match is made.
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nsCOMPtr<nsISchedulingContext> mSchedulingContext;
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nsAHttpTransaction *mAssociatedTransaction;
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Http2PushTransactionBuffer *mBufferedPush;
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mozilla::TimeStamp mLastRead;
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nsCString mHashKey;
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nsresult mStatus;
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bool mPushCompleted; // server push FIN received
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bool mDeferCleanupOnSuccess;
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// mDeferCleanupOnPush prevents Http2Session::CleanupStream() from
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// destroying the push stream on an error code during the period between
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// when we need to do OnPush() on another thread and the time it takes
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// for that event to create a synthetic pull stream attached to this
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// object. That synthetic pull will become mConsuemerStream.
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// Ths is essentially a delete protecting reference.
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bool mDeferCleanupOnPush;
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bool mOnPushFailed;
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nsCString mRequestString;
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};
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class Http2PushTransactionBuffer final : public nsAHttpTransaction
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSAHTTPTRANSACTION
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Http2PushTransactionBuffer();
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nsresult GetBufferedData(char *buf, uint32_t count, uint32_t *countWritten);
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void SetPushStream(Http2PushedStream *stream) { mPushStream = stream; }
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private:
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virtual ~Http2PushTransactionBuffer();
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const static uint32_t kDefaultBufferSize = 4096;
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nsresult mStatus;
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nsHttpRequestHead *mRequestHead;
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Http2PushedStream *mPushStream;
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bool mIsDone;
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UniquePtr<char[]> mBufferedHTTP1;
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uint32_t mBufferedHTTP1Size;
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uint32_t mBufferedHTTP1Used;
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uint32_t mBufferedHTTP1Consumed;
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};
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} // namespace net
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} // namespace mozilla
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#endif // mozilla_net_Http2Push_Internal_h
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