log.hpp

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//
// Copyright 2011 Ettus Research LLC
//
// 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 3 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.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.
//

#ifndef INCLUDED_UHD_UTILS_LOG_HPP
#define INCLUDED_UHD_UTILS_LOG_HPP

#include <uhd/config.hpp>
#include <uhd/utils/pimpl.hpp>
#include <boost/current_function.hpp>
#include <ostream>
#include <string>

#define UHD_LOGV(verbosity) \
    uhd::_log::log(uhd::_log::verbosity, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION)()

#define UHD_LOG \
    UHD_LOGV(regularly)


namespace uhd{ namespace _log{

    enum verbosity_t{
        always      = 1,
        often       = 2,
        regularly   = 3,
        rarely      = 4,
        very_rarely = 5,
        never       = 6,
    };

    class UHD_API log{
    public:
        log(
            const verbosity_t verbosity,
            const std::string &file,
            const unsigned int line,
            const std::string &function
        );
        ~log(void);
        std::ostream &operator()(void);
    private:
        UHD_PIMPL_DECL(impl) _impl;
    };

}} //namespace uhd::_log

#endif /* INCLUDED_UHD_UTILS_LOG_HPP */