root/experimental/components/Packetizer/trunk/Packetizer-metadata/src/Packetizer.h @ 5182

/****************************************************************************

Copyright 2006 Virginia Polytechnic Institute and State University

This file is part of the OSSIE Packetizer.

OSSIE Packetizer is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

OSSIE Packetizer 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 for more details.

You should have received a copy of the GNU General Public License
along with OSSIE Packetizer; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

****************************************************************************/


#ifndef PACKETIZER_IMPL_H
#define PACKETIZER_IMPL_H

#include <stdlib.h>
#include "ossie/cf.h"
#include "ossie/debug.h"
#include "ossie/Resource_impl.h"
#include "ossie/PortTypes.h"

#include "standardinterfaces/realChar_u.h"
#include "standardinterfaces/realChar_p.h"

#include "PacketizerDSP.h"

class Packetizer_i : public virtual Resource_impl, public PacketizerDSP
{
  public:
    /// Initializing constructor
    Packetizer_i(const char *uuid, omni_condition *sem);

    /// Destructor
    ~Packetizer_i(void);

    ///
    void start() throw (CF::Resource::StartError, CORBA::SystemException);

    ///
    void stop() throw (CF::Resource::StopError, CORBA::SystemException);

    /// Static function for omni thread
    static void Run( void * data );

    ///
    CORBA::Object_ptr getPort( const char* portName )
        throw (CF::PortSupplier::UnknownPort, CORBA::SystemException);

    ///
    void releaseObject() throw (CF::LifeCycle::ReleaseError,
        CORBA::SystemException);

    ///
    void initialize() throw (CF::LifeCycle::InitializeError,
        CORBA::SystemException);

    ///
    void configure(const CF::Properties&) throw (CORBA::SystemException,
        CF::PropertySet::InvalidConfiguration,
        CF::PropertySet::PartialConfiguration);


  private:
    /// Disallow default constructor
    Packetizer_i();

    /// Disallow copy constructor
    Packetizer_i(Packetizer_i&);

    /// Main signal processing loop
    void RunLoop();
   
    omni_condition *component_running;  // for component shutdown
    omni_thread *processing_thread;     // for component writer function
    omni_mutex accessPrivateData;       // for asynchronous configure() invocation
        
    //list components provides and uses ports
    standardInterfaces_i::realChar_p *dataIn;  // data block
    standardInterfaces_i::realChar_u *dataOut; // output packet
    standardInterfaces::MetaData *metadata;

    /// Writes control block data to output sequence
    void WriteControlBlock( PortTypes::CharSequence &bitsOut );

    /// Operational mode
    enum {
        ASSEMBLE_PN_PACKET_SYNC_CODE,
        ASSEMBLE_CONTROL_CODES,
        ASSEMBLE_PACKET
    } operationalMode;

};

#endif