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#include "ace/streams.h"
#include "ace/Synch.h"
#include "ace/Singleton.h"
#include "ace/Log_Msg.h"
#include "ace/Log_Msg_Callback.h"
#ifndef LOG_MANAGER_H
#define LOG_MANAGER_H
// Listing 1 code/ch03
class LogManager
{
public:
LogManager ();
~LogManager ();
void redirectToDaemon
(const ACE_TCHAR *prog_name = ACE_TEXT (""));
void redirectToSyslog
(const ACE_TCHAR *prog_name = ACE_TEXT (""));
void redirectToOStream (ACE_OSTREAM_TYPE *output);
void redirectToFile (const char *filename);
void redirectToStderr (void);
ACE_Log_Msg_Callback * redirectToCallback
(ACE_Log_Msg_Callback *callback);
// Exclude 1
private:
ofstream *log_stream_;
ACE_OSTREAM_TYPE *output_stream_;
// Exclude 1
};
// Listing 1
// Listing 2 code/ch03
LogManager::LogManager ()
: log_stream_ (0), output_stream_ (0)
{ }
LogManager::~LogManager ()
{
if (log_stream_)
log_stream_->close ();
delete log_stream_;
}
void LogManager::redirectToSyslog (const ACE_TCHAR *prog_name)
{
ACE_LOG_MSG->open (prog_name, ACE_Log_Msg::SYSLOG, prog_name);
}
void LogManager::redirectToDaemon (const ACE_TCHAR *prog_name)
{
ACE_LOG_MSG->open (prog_name, ACE_Log_Msg::LOGGER,
ACE_DEFAULT_LOGGER_KEY);
}
void LogManager::redirectToOStream (ACE_OSTREAM_TYPE *output)
{
output_stream_ = output;
ACE_LOG_MSG->msg_ostream (this->output_stream_);
ACE_LOG_MSG->clr_flags
(ACE_Log_Msg::STDERR | ACE_Log_Msg::LOGGER);
ACE_LOG_MSG->set_flags (ACE_Log_Msg::OSTREAM);
}
void LogManager::redirectToFile (const char *filename)
{
log_stream_ = new ofstream ();
log_stream_->open (filename, ios::out | ios::app);
this->redirectToOStream ((ACE_OSTREAM_TYPE *)log_stream_);
}
void LogManager::redirectToStderr (void)
{
ACE_LOG_MSG->clr_flags
(ACE_Log_Msg::OSTREAM | ACE_Log_Msg::LOGGER);
ACE_LOG_MSG->set_flags (ACE_Log_Msg::STDERR);
}
ACE_Log_Msg_Callback *
LogManager::redirectToCallback (ACE_Log_Msg_Callback * callback)
{
ACE_Log_Msg_Callback *previous =
ACE_LOG_MSG->msg_callback (callback);
if (callback == 0)
ACE_LOG_MSG->clr_flags (ACE_Log_Msg::MSG_CALLBACK);
else
ACE_LOG_MSG->set_flags (ACE_Log_Msg::MSG_CALLBACK);
return previous;
}
// Listing 2
// Listing 3 code/ch03
typedef ACE_Singleton<LogManager, ACE_Null_Mutex>
LogManagerSingleton;
#define LOG_MANAGER LogManagerSingleton::instance()
// Listing 3
#endif /* LOG_MANAGER_H */
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