it_bus/old_logging_helper.h

#ifndef _IT_BUS_OLD_LOGGING_HELPER_H_
#define _IT_BUS_OLD_LOGGING_HELPER_H_

// prevent bus_logger.h being included.
#ifdef _IT_BUS_BUS_LOGGER_H_
#error old_logging_helper.h should not be included with bus_logger.h
#endif

#include <it_bus/api_defines.h>

namespace CORBA
{
    class ORB;
}

namespace IT_Bus
{
    class IT_BUS_API OldLoggingHelper 
    {
      public:
        static void set_logging_default_ORB(CORBA::ORB*);
        static unsigned short get_subsystem_log_filter(const char* subsystem);

    };
}

//these are used to guard a code block from executing when the purpose of the code
//block is solely for formatting a trace statement.  It prevents the code from 
//executing when the trace_level is filtered out and wouldn't be used anyway.
#define BEGIN_TRACE(trace_level)                                        \
    if ((it_g_log_filter & trace_level) != 0)                                \
    {                                                                                                    

#define BEGIN_SUBSYSTEM_TRACE(subsystem_filter, trace_level)                                        \
    if ((subsystem_filter & trace_level) != 0)                                \
    {                                                                                                    

#define END_TRACE                                                                        \
    }

#endif  

---