bufferConnection.h

/* Copyright (c) 2007-2013, Stefan Eilemann <eile@equalizergraphics.com>
 *
 * This file is part of Collage <https://github.com/Eyescale/Collage>
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License version 2.1 as published
 * by the Free Software Foundation.
 *
 * This library 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 for more
 * details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#ifndef CO_BUFFER_CONNECTION_H
#define CO_BUFFER_CONNECTION_H

#include <co/connection.h>  // base class
#include <lunchbox/types.h>

namespace co
{
namespace detail { class BufferConnection; }

class BufferConnection : public Connection
{
public:
    CO_API BufferConnection();

    CO_API virtual ~BufferConnection();

    CO_API void sendBuffer( ConnectionPtr connection );

    CO_API const lunchbox::Bufferb& getBuffer() const;

    CO_API lunchbox::Bufferb& getBuffer();

    CO_API uint64_t getSize() const;

protected:
    virtual void readNB( void*, const uint64_t ) { LBDONTCALL; }
    virtual int64_t readSync( void*, const uint64_t, const bool )
        { LBDONTCALL; return -1; }
    CO_API virtual int64_t write( const void* buffer, const uint64_t bytes);

    virtual Notifier getNotifier() const { LBDONTCALL; return 0; }

private:
    detail::BufferConnection* const _impl;
};

typedef lunchbox::RefPtr< BufferConnection > BufferConnectionPtr;
typedef lunchbox::RefPtr< const BufferConnection > ConstBufferConnectionPtr;
}

#endif // CO_BUFFER_CONNECTION_H