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127 lines
4.3 KiB
C++
127 lines
4.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications.
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* Portions created by the Initial Developer are Copyright (C) 2001
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Darin Fisher <darin@netscape.com> (original author)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsHttpPipeline_h__
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#define nsHttpPipeline_h__
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#include "nsHttp.h"
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#include "nsAHttpConnection.h"
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#include "nsAHttpTransaction.h"
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#include "nsIInputStream.h"
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#include "nsIOutputStream.h"
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#include "nsTArray.h"
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#include "nsCOMPtr.h"
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class nsHttpPipeline : public nsAHttpConnection
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, public nsAHttpTransaction
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, public nsAHttpSegmentReader
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSAHTTPCONNECTION
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NS_DECL_NSAHTTPTRANSACTION
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NS_DECL_NSAHTTPSEGMENTREADER
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nsHttpPipeline();
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virtual ~nsHttpPipeline();
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private:
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nsresult FillSendBuf();
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static NS_METHOD ReadFromPipe(nsIInputStream *, void *, const char *,
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PRUint32, PRUint32, PRUint32 *);
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// convenience functions
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nsAHttpTransaction *Request(PRInt32 i)
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{
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if (mRequestQ.Length() == 0)
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return nsnull;
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return mRequestQ[i];
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}
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nsAHttpTransaction *Response(PRInt32 i)
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{
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if (mResponseQ.Length() == 0)
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return nsnull;
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return mResponseQ[i];
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}
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nsAHttpConnection *mConnection;
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nsTArray<nsAHttpTransaction*> mRequestQ; // array of transactions
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nsTArray<nsAHttpTransaction*> mResponseQ; // array of transactions
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nsresult mStatus;
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// these flags indicate whether or not the first request or response
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// is partial. a partial request means that Request(0) has been
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// partially written out to the socket. a partial response means
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// that Response(0) has been partially read in from the socket.
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bool mRequestIsPartial;
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bool mResponseIsPartial;
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// indicates whether or not the pipeline has been explicitly closed.
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bool mClosed;
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// indicates whether or not a true pipeline (more than 1 request without
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// a synchronous response) has been formed.
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bool mUtilizedPipeline;
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// used when calling ReadSegments/WriteSegments on a transaction.
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nsAHttpSegmentReader *mReader;
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nsAHttpSegmentWriter *mWriter;
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// send buffer
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nsCOMPtr<nsIInputStream> mSendBufIn;
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nsCOMPtr<nsIOutputStream> mSendBufOut;
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// the push back buffer. not exceeding nsIOService::gDefaultSegmentSize bytes.
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char *mPushBackBuf;
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PRUint32 mPushBackLen;
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PRUint32 mPushBackMax;
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// The number of transactions completed on this pipeline.
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PRUint32 mHttp1xTransactionCount;
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// For support of OnTransportStatus()
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PRUint64 mReceivingFromProgress;
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PRUint64 mSendingToProgress;
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bool mSuppressSendEvents;
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};
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#endif // nsHttpPipeline_h__
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