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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef _OSL_PIPE_DECL_HXX_
#define _OSL_PIPE_DECL_HXX_
#include <osl/pipe.h>
# include <osl/security.hxx>
#include <rtl/ustring.hxx>
namespace osl {
class StreamPipe;
/** Represents a pipe.
*/
class Pipe
{
protected:
oslPipe m_handle;
public:
/** Does not create a pipe. Use assignment operator to
make this a useable pipe.
*/
inline Pipe();
/** Creates an insecure pipe that is accessible for all users.
@param strName
@param Options
*/
inline Pipe(const ::rtl::OUString& strName, oslPipeOptions Options);
/** Creates a secure pipe that access depends on the umask settings.
@param strName
@param Options
@param Security
*/
inline Pipe(const ::rtl::OUString& strName, oslPipeOptions Options,const Security & rSecurity);
/** Copy constructor.
*/
inline Pipe(const Pipe& pipe);
/** Constructs a Pipe reference without acquiring the handle
*/
inline Pipe( oslPipe pipe, __sal_NoAcquire noacquire );
/** Creates pipe as wrapper around the underlying oslPipe.
@param Pipe
*/
inline Pipe(oslPipe Pipe);
/** Destructor. Destroys the underlying oslPipe.
*/
inline ~Pipe();
inline sal_Bool SAL_CALL is() const;
/** Creates an insecure pipe that is accessible for all users
with the given attributes.
If the pipe was already created, the old one will be discarded.
@param strName
@param Options
@param Security
@return True if socket was successfully created.
*/
inline sal_Bool create( const ::rtl::OUString & strName,
oslPipeOptions Options, const Security &rSec );
/** Creates a secure that access rights depend on the umask settings
with the given attributes.
If socket was already created, the old one will be discarded.
@param strName
@param Options
@return True if socket was successfully created.
*/
inline sal_Bool create( const ::rtl::OUString & strName, oslPipeOptions Options = osl_Pipe_OPEN );
/** releases the underlying handle
*/
inline void SAL_CALL clear();
/** Assignment operator. If pipe was already created, the old one will
be discarded.
*/
inline Pipe& SAL_CALL operator= (const Pipe& pipe);
/** Assignment operator. If pipe was already created, the old one will
be discarded.
*/
inline Pipe& SAL_CALL operator= (const oslPipe pipe );
/** Checks if the pipe is valid.
@return True if the object represents a valid pipe.
*/
inline sal_Bool SAL_CALL isValid() const;
inline sal_Bool SAL_CALL operator==( const Pipe& rPipe ) const;
/** Closes the pipe.
*/
inline void SAL_CALL close();
/** Accept connection on an existing pipe
*/
inline oslPipeError SAL_CALL accept(StreamPipe& Connection);
/** Delivers a constant decribing the last error for the pipe system.
@return ENONE if no error occurred, invalid_PipeError if
an unknown (unmapped) error occurred, otherwise an enum describing the
error.
*/
inline oslPipeError SAL_CALL getError() const;
inline oslPipe SAL_CALL getHandle() const;
};
/** A pipe to send or receive a stream of data.
*/
class StreamPipe : public Pipe
{
public:
/** Creates an unattached pipe. You must attach the pipe to an oslPipe
e.g. by using the operator=(oslPipe), before you can use the stream-
functionality of the object.
*/
inline StreamPipe();
/** Creates pipe as wrapper around the underlying oslPipe.
@param Pipe
*/
inline StreamPipe(oslPipe Pipe);
/** Copy constructor.
@param Pipe
*/
inline StreamPipe(const StreamPipe& Pipe);
/** Creates a pipe.
@param strName
@param Options
*/
inline StreamPipe(const ::rtl::OUString& strName, oslPipeOptions Options = osl_Pipe_OPEN);
/** Creates a pipe.
@param strName
@param Options
@param rSec
*/
inline StreamPipe(const ::rtl::OUString& strName, oslPipeOptions Options, const Security &rSec );
/** Constructs a Pipe reference without acquiring the handle
*/
inline StreamPipe( oslPipe pipe, __sal_NoAcquire noacquire );
/** Attaches the oslPipe to this object. If the object
already was attached to an oslPipe, the old one will
be closed and destroyed.
@param Pipe.
*/
inline StreamPipe & SAL_CALL operator=(oslPipe Pipe);
/** Assignment operator
*/
inline StreamPipe& SAL_CALL operator=(const Pipe& pipe);
/** Tries to receives BytesToRead data from the connected pipe,
@param pBuffer [out] Points to a buffer that will be filled with the received
data.
@param BytesToRead [in] The number of bytes to read. pBuffer must have at least
this size.
@return the number of received bytes.
*/
inline sal_Int32 SAL_CALL recv(void* pBuffer, sal_Int32 BytesToRead) const;
/** Tries to sends BytesToSend data from the connected pipe.
@param pBuffer [in] Points to a buffer that contains the send-data.
@param BytesToSend [in] The number of bytes to send. pBuffer must have at least
this size.
@return the number of transfered bytes.
*/
inline sal_Int32 SAL_CALL send(const void* pBuffer, sal_Int32 BytesToSend) const;
/** Retrieves n bytes from the stream and copies them into pBuffer.
The method avoids incomplete reads due to packet boundaries.
@param pBuffer receives the read data.
@param n the number of bytes to read. pBuffer must be large enough
to hold the n bytes!
@return the number of read bytes. The number will only be smaller than
n if an exceptional condition (e.g. connection closed) occurs.
*/
inline sal_Int32 SAL_CALL read(void* pBuffer, sal_Int32 n) const;
/** Writes n bytes from pBuffer to the stream. The method avoids
incomplete writes due to packet boundaries.
@param pBuffer contains the data to be written.
@param n the number of bytes to write.
@return the number of written bytes. The number will only be smaller than
n if an exceptional condition (e.g. connection closed) occurs.
*/
sal_Int32 SAL_CALL write(const void* pBuffer, sal_Int32 n) const;
};
}
#endif
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