DVBFrontendHandle.hh

Go to the documentation of this file.

//
// Copyright (c) 2020 Fraunhofer Institute for Applied Information Technology (FIT)
//                    Network Research Group (NET)
//                    Schloss Birlinghoven, 53754 Sankt Augustin, GERMANY
//                    Contact: support@wiback.org
//
// This file is part of the SENF code tree.
// It is licensed under the 3-clause BSD License (aka New BSD License).
// See LICENSE.txt in the top level directory for details or visit
// https://opensource.org/licenses/BSD-3-Clause
//


#ifndef HH_SENF_Socket_Protocols_DVB_DVBFrontendHandle_
#define HH_SENF_Socket_Protocols_DVB_DVBFrontendHandle_ 1

// Custom includes
#include <boost/cstdint.hpp>
#include <boost/bind.hpp>
#include <boost/function.hpp>
#include <linux/dvb/frontend.h>
#include <senf/Socket/FramingPolicy.hh>
#include <senf/Socket/CommunicationPolicy.hh>
#include <senf/Socket/ReadWritePolicy.hh>
#include <senf/Socket/ProtocolClientSocketHandle.hh>
#include <senf/Socket/SocketProtocol.hh>
#include <fcntl.h>
//#include "DVBFrontendHandle.mpp"
//-/////////////////////////////////////////////////////////////////////////////////////////////////

namespace senf {

    //\{

    typedef MakeSocketPolicy<
        NoAddressingPolicy,
        DatagramFramingPolicy,
        UnconnectedCommunicationPolicy,
        NotReadablePolicy,
        NotWriteablePolicy
>    ::policy DVBFrontend_Policy; 


    class DVBFrontendSocketProtocol
        : public ConcreteSocketProtocol<DVBFrontend_Policy, DVBFrontendSocketProtocol>
    {
    private:
        void tune(const struct dvb_frontend_parameters & frontend) const;
    public:


        //-////////////////////////////////////////////////////////////////////////
        // internal interface

        //\{
        void init_client(unsigned short adapter = 0, unsigned short device = 0, int flags = (O_RDWR | O_NONBLOCK) ) const;

        //\}

        void setNonBlock(bool on = true) const;

        void tuneDVB_S(unsigned int frequency, fe_spectral_inversion_t inversion, unsigned int symbole_rate, fe_code_rate_t code_rate) const;

        void tuneDVB_T(unsigned int frequency,
                fe_spectral_inversion_t inversion,
                fe_bandwidth_t bandwidth,
                fe_code_rate_t code_rate_HP, /* high priority stream code rate */
                fe_code_rate_t code_rate_LP, /* low priority stream code rate */
                fe_modulation_t constellation, /* modulation type (see above) */
                fe_transmit_mode_t transmission_mode,
                fe_guard_interval_t guard_interval,
                fe_hierarchy_t hierarchy_information
                ) const;                                                

        void tuneDVB_C(unsigned int frequency,
                fe_spectral_inversion_t inversion,
                unsigned int symbol_rate,
                fe_code_rate_t fec_inner,
                fe_modulation_t modulation
                ) const;

        dvb_frontend_info getInfo() const;                              

        struct dvb_frontend_parameters getFrontendParam() const;        

        //\{

        dvb_frontend_event getEvent() const;


        unsigned available() const;     

        bool eof() const;               

        //\}

        int16_t signalStrength() const; 

        int16_t signalNoiseRatio() const;

        uint32_t bitErrorRate() const;  

        uint32_t uncorrectedBlocks() const; 

        fe_status_t status() const;         

    };

    typedef ProtocolClientSocketHandle<DVBFrontendSocketProtocol> DVBFrontendHandle;

    //\}
}


//-/////////////////////////////////////////////////////////////////////////////////////////////////
//#include "DVBFrontendHandle.cci"
//#include "DVBFrontendHandle.ct"
//#include "DVBFrontendHandle.cti"
#endif


// Local Variables:
// mode: c++
// fill-column: 100
// c-file-style: "senf"
// indent-tabs-mode: nil
// ispell-local-dictionary: "american"
// compile-command: "scons -u test"
// comment-column: 40
// End: