79 lines
2.7 KiB
C++
79 lines
2.7 KiB
C++
// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of NVIDIA CORPORATION nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Copyright (c) 2008-2025 NVIDIA Corporation. All rights reserved.
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// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
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// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
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#ifndef OMNI_PVD_READ_STREAM_H
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#define OMNI_PVD_READ_STREAM_H
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#include "OmniPvdDefines.h"
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/**
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* \brief Used to abstract a memory read stream
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*
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* Allows to read and skip bytes as well as open/close it.
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*/
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class OmniPvdReadStream
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{
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public:
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virtual ~OmniPvdReadStream()
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{
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}
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/**
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* \brief Read n bytes from the shared memory buffer
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*
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* \param bytes Reads n bytes into the destination pointer
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* \param nbrBytes The requested number of bytes to read
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* \return The actual number of bytes read
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*/
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virtual uint64_t OMNI_PVD_CALL readBytes(uint8_t* bytes, uint64_t nbrBytes) = 0;
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/**
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* \brief Skip n bytes from the shared memory buffer
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*
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* \param nbrBytes The requested number of bytes to skip
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* \return The actual number of bytes skipped
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*/
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virtual uint64_t OMNI_PVD_CALL skipBytes(uint64_t nbrBytes) = 0;
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/**
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* \brief Opens the read stream
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*
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* \return True if it succeeded
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*/
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virtual bool OMNI_PVD_CALL openStream() = 0;
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/**
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* \brief Closes the read stream
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*
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* \return True if it succeeded
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*/
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virtual bool OMNI_PVD_CALL closeStream() = 0;
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};
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#endif
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