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// $Id$
// ============================================================================
//
// = LIBRARY
// examples/Log_Msg
//
// = FILENAME
// test_callback.cpp
//
// = DESCRIPTION
// This program tests the Log_Msg abstraction wrt writing to user
// defined callback objects.
//
// = AUTHOR
// Irfan Pyarali
//
// ============================================================================
#include "ace/OS.h"
ACE_RCSID(Log_Msg, test_callback, "$Id$")
class Logger : public ACE_Log_Msg_Callback
{
public:
void log (ACE_Log_Record &log_record);
// Logging callback
int verbose_logging_;
// Flag for verbose logging
};
void
Logger::log (ACE_Log_Record &log_record)
{
if (!this->verbose_logging_)
{
ACE_OS::printf ("Logger::log -> %s\n",
log_record.msg_data ());
}
else
{
char verbose_msg[ACE_Log_Record::MAXVERBOSELOGMSGLEN];
int result = log_record.format_msg (ACE_LOG_MSG->local_host (),
ACE_LOG_MSG->flags (),
verbose_msg);
if (result == 0)
{
ACE_OS::printf ("Logger::log -> %s\n",
verbose_msg);
}
}
}
int
main (int, char *[])
{
// This message should show up in stderr.
ACE_DEBUG ((LM_DEBUG,
"first message\n"));
ACE_LOG_MSG->clr_flags (ACE_Log_Msg::STDERR);
// This message should not show up anywhere.
ACE_DEBUG ((LM_DEBUG,
"second message\n"));
ACE_LOG_MSG->set_flags (ACE_Log_Msg::MSG_CALLBACK);
// This message should not show up anywhere since no callback object
// has been specified.
ACE_DEBUG ((LM_DEBUG,
"third message\n"));
// Create a callback object.
Logger logger;
logger.verbose_logging_ = 1;
// Set the callback object.
ACE_LOG_MSG->msg_callback (&logger);
// This message should show up in the logger.
ACE_DEBUG ((LM_DEBUG,
"forth message\n"));
ACE_LOG_MSG->set_flags (ACE_Log_Msg::VERBOSE_LITE);
// This message should show up in the logger (somewhat loudly).
ACE_DEBUG ((LM_DEBUG,
"fifth message\n"));
ACE_LOG_MSG->set_flags (ACE_Log_Msg::VERBOSE);
// This message should show up in the logger (really loudly).
ACE_DEBUG ((LM_DEBUG,
"sixth message\n"));
logger.verbose_logging_ = 0;
// This message should show up in the logger (not loudly).
ACE_DEBUG ((LM_DEBUG,
"seventh message\n"));
ACE_LOG_MSG->set_flags (ACE_Log_Msg::STDERR);
// This message should show up in stderr and the logger. The one
// from the logger will not be loud, but the one from stderr should
// be loud.
ACE_DEBUG ((LM_DEBUG,
"eight message\n"));
return 0;
}
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