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cpp/inserters/example.cpp.inserter.hostid/example.cpp.inserter.hostid.cpp

Demonstrates the use of Pantheios to log the current host identity in a C++ program, using the pantheios::hostId inserter.

/* /////////////////////////////////////////////////////////////////////////
 * File:        examples/cpp/inserters/example.cpp.inserter.hostid/example.cpp.inserter.hostid.cpp
 *
 * Purpose:     C++ example program for Pantheios. Demonstrates:
 *
 *                - use of Pantheios inserter for host ids
 *                - use of pantheios::logputs() in bail-out conditions
 *
 * Created:     15th April 2008
 * Updated:     2nd December 2010
 *
 * www:         http://www.pantheios.org/
 *
 * License:     This source code is placed into the public domain 2006
 *              by Synesis Software Pty Ltd. There are no restrictions
 *              whatsoever to your use of the software.
 *
 *              This software is provided "as is", and any warranties,
 *              express or implied, of any kind and for any purpose, are
 *              disclaimed.
 *
 * ////////////////////////////////////////////////////////////////////// */


/* Pantheios Header Files */
#include <pantheios/pantheios.hpp>              // Pantheios C++ main header
#include <pantheios/inserters/hostid.hpp>       // for pantheios::hostId

/* Standard C/C++ Header Files */
#include <exception>                            // for std::exception
#include <new>                                  // for std::bad_alloc
#include <string>                               // for std::string
#include <stdlib.h>                             // for exit codes

#ifndef PANTHEIOS_DOCUMENTATION_SKIP_SECTION
# if defined(STLSOFT_COMPILER_IS_MSVC)
#  pragma warning(disable : 4702)
# endif /* compiler */
#endif /* !PANTHEIOS_DOCUMENTATION_SKIP_SECTION */

/* ////////////////////////////////////////////////////////////////////// */

/* Define the stock front-end process identity, so that it links when using
 * fe.N, fe.simple, etc. */
PANTHEIOS_EXTERN_C const PAN_CHAR_T PANTHEIOS_FE_PROCESS_IDENTITY[] = PANTHEIOS_LITERAL_STRING("example.cpp.inserter.hostid");

/* ////////////////////////////////////////////////////////////////////// */

#define PSTR(x)         PANTHEIOS_LITERAL_STRING(x)

/* ////////////////////////////////////////////////////////////////////// */

int main()
{
  try
  {
    // Log the host Id; Output: "host id: [localhost]"

    pantheios::log_NOTICE(PSTR("host id: ["), pantheios::hostId, PSTR("]"));


    return EXIT_SUCCESS;
  }
  catch(std::bad_alloc&)
  {
    pantheios::log(pantheios::alert, PSTR("out of memory"));
  }
  catch(std::exception& x)
  {
    pantheios::log_CRITICAL(PSTR("Exception: "), x);
  }
  catch(...)
  {
    pantheios::logputs(pantheios::emergency, PSTR("Unexpected unknown error"));
  }

  return EXIT_FAILURE;
}

/* ////////////////////////////////////////////////////////////////////// */

pantheios Library documentation Matthew Wilson & Synesis Software, 2006-2011 SourceForge.net Logo