gearman/libgearman/log.cc

/*  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
 * 
 *  Gearmand client and server library.
 *
 *  Copyright (C) 2011-2013 Data Differential, http://datadifferential.com/
 *  Copyright (C) 2008 Brian Aker, Eric Day
 *  All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are
 *  met:
 *
 *      * Redistributions of source code must retain the above copyright
 *  notice, this list of conditions and the following disclaimer.
 *
 *      * Redistributions in binary form must reproduce the above
 *  copyright notice, this list of conditions and the following disclaimer
 *  in the documentation and/or other materials provided with the
 *  distribution.
 *
 *      * The names of its contributors may not be used to endorse or
 *  promote products derived from this software without specific prior
 *  written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */



#include "gear_config.h"
#include <libgearman/common.h>

#include <cstdarg>

#include <libgearman/log.hpp>

#include <cstdio>

#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wformat-nonliteral"
static void __logger(gearman_universal_st& state, gearman_verbose_t verbose,
                     const char *format, va_list args)
{
  if (state.log_fn)
  {
    char log_buffer[GEARMAN_MAX_ERROR_SIZE];
    vsnprintf(log_buffer, GEARMAN_MAX_ERROR_SIZE, format, args);
    state.log_fn(log_buffer, verbose, state.log_context);
  }
}

void gearman_log(gearman_universal_st& state, gearman_verbose_t verbose,
                 const char *format, ...)
{
  va_list args;

  if (state.verbose >= verbose)
  {
    va_start(args, format);
    __logger(state, verbose, format, args);
    va_end(args);
  }
}

void gearman_log_error(gearman_universal_st& state, gearman_verbose_t verbose)
{
  if (state.verbose >= verbose)
  {
    if (state.log_fn)
    {
      state.log_fn(state.error(), verbose, state.log_context);
    }
  }
}

void gearman_log_info(gearman_universal_st& gearman, const char *format, ...)
{
  va_list args;

  if (gearman.verbose >= GEARMAN_VERBOSE_INFO)
  {
    va_start(args, format);
    __logger(gearman, GEARMAN_VERBOSE_INFO, format, args);
    va_end(args);
  }
}

void gearman_log_debug(gearman_universal_st& gearman, const char *format, ...)
{
#if defined(DEBUG) && DEBUG
  va_list args;

  if (gearman.verbose >= GEARMAN_VERBOSE_DEBUG)
  {
    va_start(args, format);
    __logger(gearman, GEARMAN_VERBOSE_DEBUG, format, args);
    va_end(args);
  }
#else
  (void)gearman;
  (void)format;
#endif
}
#pragma GCC diagnostic pop