Biop.h

/******************************************************************************
Este arquivo eh parte da implementacao do ambiente declarativo do middleware
Ginga (Ginga-NCL).

Direitos Autorais Reservados (c) 1989-2007 PUC-Rio/Laboratorio TeleMidia

Este programa eh software livre; voce pode redistribui-lo e/ou modificah-lo sob
os termos da Licenca Publica Geral GNU versao 2 conforme publicada pela Free
Software Foundation.

Este programa eh distribuido na expectativa de que seja util, porem, SEM
NENHUMA GARANTIA; nem mesmo a garantia implicita de COMERCIABILIDADE OU
ADEQUACAO A UMA FINALIDADE ESPECIFICA. Consulte a Licenca Publica Geral do
GNU versao 2 para mais detalhes.

Voce deve ter recebido uma copia da Licenca Publica Geral do GNU versao 2 junto
com este programa; se nao, escreva para a Free Software Foundation, Inc., no
endereco 59 Temple Street, Suite 330, Boston, MA 02111-1307 USA.

Para maiores informacoes:
ncl @ telemidia.puc-rio.br
http://www.ncl.org.br
http://www.ginga.org.br
http://www.telemidia.puc-rio.br
******************************************************************************
This file is part of the declarative environment of middleware Ginga (Ginga-NCL)

Copyright: 1989-2007 PUC-RIO/LABORATORIO TELEMIDIA, All Rights Reserved.

This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License version 2 as published by
the Free Software Foundation.

This program 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 General Public License version 2 for more
details.

You should have received a copy of the GNU General Public License version 2
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA

For further information contact:
ncl @ telemidia.puc-rio.br
http://www.ncl.org.br
http://www.ginga.org.br
http://www.telemidia.puc-rio.br
*******************************************************************************/

#ifndef BIOP_H_
#define BIOP_H_

extern "C" {
    #include <sys/stat.h>
    #include <errno.h>
    #include <stdio.h>
}

#include "util/functions.h"
using namespace ::br::pucrio::telemidia::util;

#include "system/thread/Thread.h"
using namespace ::br::pucrio::telemidia::ginga::core::system::thread;


#include "object/ObjectProcessor.h"
#include "data/Module.h"

#include <map>
#include <string>
using namespace std;

namespace br {
namespace pucrio {
namespace telemidia {
namespace ginga {
namespace core {
namespace dataprocessing {
namespace carousel {
    class Biop {
        private:
            //Biop Attributes
            Module* module;
            unsigned int idx;
            unsigned int currentSize;
            FILE* moduleFd;
            bool isValidHdr;
            bool hasMoreBiopMessage;
            char* data;

            // MessageHeader
            unsigned int messageSize;

            // MessageSubHeader
            unsigned int objectKey;
            string objectKind;
            string objectInfo;

            // MessageBody
            map<string, Object*> objects;

            ObjectProcessor* processor;

            pthread_mutex_t dataMutex;

        public:
            Biop(Module* module, ObjectProcessor* processor);
            virtual ~Biop();

        private:
            void closeModule();
            void createData(unsigned int dataSize);
            void releaseData();

            string getStringFromData(unsigned int offset, unsigned int len);

            string getObjectKind();
            string getObjectInfo();

            void abortProcess(string warningText);
            bool processServiceContext();
            bool processMessageHeader();
            int processMessageSubHeader();
            int skipObject();

        public:
            int processServiceGateway(unsigned int srgObjectKey);

        private:
            Binding* processBinding();
            void processIor(Binding* binding);

            void processDirectory();
            void processFile();

        public:
            void print();

        private:
            void processObject();

        public:
            int process();
    };
}
}
}
}
}
}
}

#endif /*BIOP_H_*/