osgScaleViewer.cpp

/*
 * Copyright (c)
 *   2008-2009, Thomas McGuire <thomas.mcguire@student.uni-siegen.de>
 *   2010, Stefan Eilemann <eile@eyescale.ch>
 *   2010, Sarah Amsellem <sarah.amsellem@gmail.com>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * - Redistributions of source code must retain the above copyright notice, this
 *   list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright notice,
 *   this list of conditions and the following disclaimer in the documentation
 *   and/or other materials provided with the distribution.
 * - Neither the name of Eyescale Software GmbH nor the names of its
 *   contributors may be used to endorse or promote products derived from this
 *   software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include "osgScaleViewer.h"

#include "config.h"

namespace osgScaleViewer
{

OSGScaleViewer::OSGScaleViewer( const InitData& initData )
    : _initData( initData )
{
}

int OSGScaleViewer::run()
{
    // 1. connect to server
    eq::ServerPtr server = new eq::Server();
    if( !connectServer( server ))
    {
        LBERROR << "Can't open server" << std::endl;
        return EXIT_FAILURE;
    }

    // 2. choose config
    eq::ConfigParams configParams;
    Config* config = static_cast<Config*>( server->chooseConfig( configParams));

    if( !config )
    {
        LBERROR << "No matching config on server" << std::endl;
        disconnectServer( server );
        return EXIT_FAILURE;
    }

    config->setInitData( _initData );
    if( !config->init( ))
    {
        server->releaseConfig( config );
        disconnectServer( server );
        return EXIT_FAILURE;
    }
    else if( config->getError( ))
        LBWARN << "Error during initialization: " << config->getError()
               << std::endl;

    // 4. run main loop
    while( config->isRunning( ))
    {
        config->startFrame();
        config->finishFrame();
    }
    config->finishAllFrames();

    // 5. exit config
    config->exit();

    // 6. cleanup and exit
    server->releaseConfig( config );
    if( !disconnectServer( server ))
        LBERROR << "Client::disconnectServer failed" << std::endl;

    server = 0;

    return EXIT_SUCCESS;
}

}