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/* -*- c++ -*- */
/*
* Copyright 2005,2013 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* GNU Radio 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, or (at your option)
* any later version.
*
* GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
/*
* This code is based on error.hh from the "Click Modular Router".
* Original copyright follows:
*/
/*
* error.{cc,hh} -- flexible classes for error reporting
* Eddie Kohler
*
* Copyright (c) 1999-2000 Massachusetts Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, subject to the conditions
* listed in the Click LICENSE file. These conditions include: you must
* preserve this copyright notice, and you cannot mention the copyright
* holders in advertising related to the Software without their permission.
* The Software is provided WITHOUT ANY WARRANTY, EXPRESS OR IMPLIED. This
* notice is a summary of the Click LICENSE file; the license in that file is
* legally binding.
*/
#ifndef INCLUDED_GR_ERROR_HANDLER_H
#define INCLUDED_GR_ERROR_HANDLER_H
#include <gnuradio/api.h>
#include <stdarg.h>
#include <string>
#include <cstdio> // for FILE
namespace gr {
/*!
* \brief abstract error handler
* \ingroup base
*/
class GR_RUNTIME_API error_handler
{
public:
enum seriousness {
ERR_DEBUG = 0x00000000,
ERR_MESSAGE = 0x00010000,
ERR_WARNING = 0x00020000,
ERR_ERROR = 0x00030000,
ERR_FATAL = 0x00040000
};
error_handler() {}
virtual ~error_handler();
static error_handler *default_handler();
static error_handler *silent_handler();
static bool has_default_handler();
static void set_default_handler(error_handler *errh);
void debug(const char *format, ...);
void message(const char *format, ...);
void warning(const char *format, ...);
void error(const char *format, ...);
void fatal(const char *format, ...);
virtual int nwarnings() const = 0;
virtual int nerrors() const = 0;
virtual void reset_counts() = 0;
void verror(seriousness s, const char *format, va_list);
void verror_text(seriousness s, const std::string &text);
protected:
virtual void count_error(seriousness s) = 0;
virtual void handle_text(seriousness s, const std::string &str) = 0;
std::string make_text(seriousness s, const char *format, va_list);
};
class GR_RUNTIME_API base_error_handler : public error_handler
{
int d_nwarnings;
int d_nerrors;
public:
base_error_handler() : d_nwarnings(0), d_nerrors(0) {}
int nwarnings() const { return d_nwarnings; }
int nerrors() const { return d_nerrors; }
void reset_counts() { d_nwarnings = d_nerrors = 0; }
void count_error(seriousness s);
};
class GR_RUNTIME_API file_error_handler : public base_error_handler
{
FILE *d_file;
int d_fd;
public:
file_error_handler(FILE *file);
file_error_handler(int file_descriptor);
~file_error_handler();
void handle_text(seriousness s, const std::string &str);
};
} /* namespace gr */
#endif /* INCLUDED_GR_ERROR_HANDLER_H */
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