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61 lines
2.0 KiB
C++
61 lines
2.0 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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// SPDY Server Push as defined by
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// http://dev.chromium.org/spdy/spdy-protocol/spdy-protocol-draft3
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/*
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A pushed stream is put into a memory buffer (The SpdyPushTransactionBuffer)
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and spooled there until a GET is made that can be matched up with it. At
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that time we have two spdy streams - the GET (aka the sink) and the PUSH
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(aka the source). Data is copied between those two streams for the lifetime
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of the transaction. This is true even if the transaction buffer is empty,
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partly complete, or totally loaded at the time the GET correspondence is made.
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correspondence is done through a hash table of the full url, the spdy session,
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and the load group. The load group is implicit because that's where the
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hash is stored, the other items comprise the hash key.
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Pushed streams are subject to aggressive flow control before they are matched
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with a GET at which point flow control is effectively disabled to match the
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client pull behavior.
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*/
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#ifndef mozilla_net_SpdyPush3_Public_h
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#define mozilla_net_SpdyPush3_Public_h
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#include "nsAutoPtr.h"
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#include "nsDataHashtable.h"
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#include "nsISupports.h"
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class nsCString;
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namespace mozilla {
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namespace net {
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class SpdyPushedStream3;
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// One Cache per load group
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class SpdyPushCache3
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{
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public:
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SpdyPushCache3();
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virtual ~SpdyPushCache3();
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// The cache holds only weak pointers - no references
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bool RegisterPushedStream(nsCString key,
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SpdyPushedStream3 *stream);
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SpdyPushedStream3 *RemovePushedStream(nsCString key);
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SpdyPushedStream3 *GetPushedStream(nsCString key);
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private:
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nsDataHashtable<nsCStringHashKey, SpdyPushedStream3 *> mHash;
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};
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} // namespace mozilla::net
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} // namespace mozilla
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#endif // mozilla_net_SpdyPush3_Public_h
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