NetworkInterface.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 NETWORKINTERFACE_H_
#define NETWORKINTERFACE_H_

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

#include "INetworkInterface.h"

#include <string>
using namespace std;

namespace br {
namespace pucrio {
namespace telemidia {
namespace ginga {
namespace core {
namespace tuning {
    class NetworkInterface : public INetworkInterface {
        private:
            int id;    //NetworkInterface number
            string name;  //eth, isdb-t, dvb-c, ...
            string protocol; //none, rtp, ip, udp, ...
            string address;  //frequency, ip+sock, ...
            IDataProvider* provider;
            bool tuned;

        public:
            NetworkInterface(
                    int networkId,
                    string name, string protocol, string addr);

            virtual ~NetworkInterface();

            short getCaps();
            int getId();
            string getName();
            string getProtocol();
            string getAddress();

            void attachFilter(IFrontendFilter* filter);
            void removeFilter(IFrontendFilter* filter);

            void setDataProvider(IDataProvider* provider);

        private:
            virtual bool createProvider();

        public:
            bool hasSignal();
            IDataProvider* tune();
            bool changeChannel(int factor);
            bool setChannel(string channelValue);
            bool getSTCValue(uint64_t* stc, int* valueType);
            IChannel* getCurrentChannel();
            int createPesFilter(int pid, int pesType, bool compositeFiler);
            string getPesFilterOutput();
            int receiveData(char* buff, int skipSize,
                            unsigned char packetSize);
            void close();
    };
}
}
}
}
}
}

#endif /*NETWORKINTERFACE_H_*/