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nsIPCBuffer.h
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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public
* License Version 1.1 (the "MPL"); you may not use this file
* except in compliance with the MPL. You may obtain a copy of
* the MPL at http://www.mozilla.org/MPL/
*
* Software distributed under the MPL is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the MPL for the specific language governing
* rights and limitations under the MPL.
*
* The Original Code is protoZilla.
*
* The Initial Developer of the Original Code is Ramalingam Saravanan.
* Portions created by Ramalingam Saravanan <svn@xmlterm.org> are
* Copyright (C) 2000 Ramalingam Saravanan. All Rights Reserved.
*
* Contributor(s):
* Patrick Brunschwig <patrick@mozilla-enigmail.org>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
* ***** END LICENSE BLOCK ***** */
#ifndef nsIPCBuffer_h__
#define nsIPCBuffer_h__
#include "nspr.h"
#include "nsIIPCBuffer.h"
#include "nsIInputStream.h"
#include "nsIFileStreams.h"
#include "nsIRunnable.h"
#include "nsIThread.h"
#include "nsCOMPtr.h"
#include "nsStringGlue.h"
#include "mozilla/Mutex.h"
// Implementation class for nsIIPCBuffer
class nsIPCBuffer : public nsIIPCBuffer,
public nsIInputStream,
public nsIRunnable
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIREQUESTOBSERVER
NS_DECL_NSISTREAMLISTENER
NS_DECL_NSIPIPELISTENER
NS_DECL_NSIIPCBUFFER
NS_DECL_NSIINPUTSTREAM
NS_DECL_NSIRUNNABLE
nsIPCBuffer();
virtual ~nsIPCBuffer();
// Define a Create method to be used with a factory:
static NS_METHOD
Create(nsISupports *aOuter, REFNSIID aIID, void **aResult);
protected:
nsresult Finalize(IPCBool destructor);
nsresult Init();
nsresult CreateTempFile();
nsresult CloseTempOutStream();
nsresult WriteTempOutStream(const char* buf, PRUint32 count);
nsresult OpenTempInStream();
nsresult CloseTempInStream();
nsresult RemoveTempFile();
IPCBool mFinalized;
IPCBool mInitialized;
IPCBool mThreadJoined;
IPCBool mOverflowed;
IPCBool mOverflowFile;
IPCBool mRequestStarted;
IPCBool mRequestStopped;
mozilla::Mutex mLock;
PRInt32 mMaxBytes;
PRUint32 mByteCount;
PRUint32 mStreamOffset;
nsCString mByteBuf;
IPCFileDesc* mPipeWrite;
IPCFileDesc* mPipeRead;
nsCOMPtr<nsILocalFile> mTempFile;
nsCOMPtr<nsIFileOutputStream> mTempOutStream;
nsCOMPtr<nsIFileInputStream> mTempInStream;
// Owning refs
nsCOMPtr<nsIThread> mPipeThread;
nsCOMPtr<nsIRequestObserver> mObserver;
nsCOMPtr<nsISupports> mObserverContext;
};
#endif // nsIPCBuffer_h__

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