/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project .
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License , v . 2 . 0 . If a copy of the MPL was not distributed with this
* file , You can obtain one at http : //mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice :
*
* Licensed to the Apache Software Foundation ( ASF ) under one or more
* contributor license agreements . See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership . The ASF licenses this file to you under the Apache
* License , Version 2 . 0 ( the " License " ) ; you may not use this file
* except in compliance with the License . You may obtain a copy of
* the License at http : //www.apache.org/licenses/LICENSE-2.0 .
*/
/*
* This file is part of LibreOffice published API .
*/
#ifndef INCLUDED_OSL_PIPE_DECL_HXX
#define INCLUDED_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 usable 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 rSecurity
*/
inline Pipe(const ::rtl::OUString& strName, oslPipeOptions Options, const Security& rSecurity);
/** Copy constructor.
*/
inline Pipe(const Pipe& pipe);
#if defined LIBO_INTERNAL_ONLY
inline Pipe(Pipe&& other) noexcept;
#endif
/** 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 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 rSec
@ return True if socket was successfully created .
*/
inline 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 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);
#if defined LIBO_INTERNAL_ONLY
inline Pipe& operator =(Pipe&& other) noexcept;
#endif
/** 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 bool SAL_CALL isValid() const ;
inline 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 describing 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);
/** Creates a pipe.
@ param [ in ] strName Pipe name
@ param [ in ] Options Pipe options
*/
inline StreamPipe(const ::rtl::OUString& strName, oslPipeOptions Options = osl_Pipe_OPEN);
/** Creates a pipe.
@ param [ in ] strName Pipe name
@ param [ in ] Options Pipe options
@ param [ in ] rSec Security for the pipe
*/
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 [ in ] Pipe Pipe to attach to this object
*/
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 [ out ] pBuffer Points to a buffer that will be filled with the received
data .
@ param [ in ] BytesToRead 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 [ in ] pBuffer Points to a buffer that contains the send - data .
@ param [ in ] BytesToSend The number of bytes to send . pBuffer must have at least
this size .
@ return the number of transferred 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 [ in ] pBuffer receives the read data .
@ param [ in ] 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 [ in ] pBuffer contains the data to be written .
@ param [ in ] 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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