ChronyLog.h

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// -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 4; tab-width: 4; -*-
// vim: set shiftwidth=4 softtabstop=4 expandtab:
/*
 ********************************************************************
 ** NIDAS: NCAR In-situ Data Acquistion Software
 **
 ** 2011, Copyright University Corporation for Atmospheric Research
 **
 ** This program 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.
 **
 ** 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 for more details.
 **
 ** The LICENSE.txt file accompanying this software contains
 ** a copy of the GNU General Public License. If it is not found,
 ** write to the Free Software Foundation, Inc.,
 ** 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 **
 ********************************************************************
*/

#include <nidas/Config.h> 

#ifdef HAVE_SYS_INOTIFY_H

#ifndef NIDAS_DYNLD_CHRONYLOG_H
#define NIDAS_DYNLD_CHRONYLOG_H

#include "WatchedFileSensor.h"
#include <nidas/core/ChronyStatus.h>

namespace nidas { namespace dynld {

using namespace nidas::core;

class ChronyLog: public WatchedFileSensor, public ChronyStatusNode
{

public:

    ChronyLog();

    void init() throw(nidas::util::InvalidParameterException);

    bool process(const Sample* samp, std::list<const Sample*>& results) throw();

    void printChronyStatus(std::ostream& ostr) throw();

private:

    dsm_time_t _lastSampleTime;

    struct statusVariable {
        statusVariable(): name(), id(0), varindex(0) {}
        std::string name;
        dsm_sample_id_t id;
        unsigned int varindex;
    };

    struct statusVariable _statusVariables[2];

    float _stratum;

    float _toffset;

    float _toffsetToUsecs;

    ChronyLog(const ChronyLog&);

    ChronyLog& operator=(const ChronyLog&);

};

}}  // namespace nidas namespace dynld

#endif
#endif  // HAVE_SYS_INOTIFY_H