// Logging_Strategy.cpp
// $Id$

#define ACE_BUILD_SVC_DLL
#include "ace/Get_Opt.h"
#include "ace/streams.h"
#include "Logging_Strategy.h"

// Parse the string containing all the flags and set the flags accordingly
void
ACE_Logging_Strategy::tokenize (char *flag_string)
{
  for (char *flag = ACE_OS::strtok (flag_string, "|");
       flag != 0;
       flag = ACE_OS::strtok (0, "|"))
    {
      if (ACE_OS::strcmp (flag, "STDERR") == 0)
	ACE_SET_BITS (this->flags_, ACE_Log_Msg::STDERR);
      else if (ACE_OS::strcmp (flag, "LOGGER") == 0)
	ACE_SET_BITS (this->flags_, ACE_Log_Msg::LOGGER);
      else if (ACE_OS::strcmp (flag, "OSTREAM") == 0)
	ACE_SET_BITS (this->flags_, ACE_Log_Msg::OSTREAM);
      else if (ACE_OS::strcmp (flag, "VERBOSE") == 0)
	ACE_SET_BITS (this->flags_, ACE_Log_Msg::VERBOSE);
      else if (ACE_OS::strcmp (flag, "SILENT") == 0)
	ACE_SET_BITS (this->flags_, ACE_Log_Msg::SILENT);
    }
}

int
ACE_Logging_Strategy::parse_args (int argc, char *argv[])
{
  ACE_TRACE ("ACE_Logging_Strategy::parse_args");
  char *temp;

  this->flags_ = 0;
  this->filename_ = ACE_DEFAULT_LOGFILE;

  ACE_LOG_MSG->open ("Logging_Strategy");

  ACE_Get_Opt get_opt (argc, argv, "f:s:", 0);

  for (int c; (c = get_opt ()) != -1; )
    {
      switch (c)
	{
	case 'f':
	  temp = get_opt.optarg;
	  // Now tokenize the string to get all the flags
	  this->tokenize (temp);
	  break;
	case 's':
	  // Ensure that the OSTREAM flag is set
	  ACE_SET_BITS (this->flags_, ACE_Log_Msg::OSTREAM);
	  this->filename_ = get_opt.optarg;
	  break;
	default:
	  break;
	}
    }
  return 0;
}

int
ACE_Logging_Strategy::init (int argc, char *argv[])
{
  ACE_TRACE ("ACE_Logging_Strategy::init");

  // Use the options hook to parse the command line arguments.
  this->parse_args (argc, argv);

  // Check if any flags were specified. If none were specified, let
  // the default behavior take effect.
  if (this->flags_ != 0)
    {
      // Clear all flags
      ACE_Log_Msg::instance()->clr_flags (ACE_Log_Msg::STDERR  | 
					  ACE_Log_Msg::LOGGER  |
					  ACE_Log_Msg::OSTREAM |
					  ACE_Log_Msg::VERBOSE |
					  ACE_Log_Msg::SILENT);
      // Check if OSTREAM bit is set
      if (ACE_BIT_ENABLED (this->flags_, ACE_Log_Msg::OSTREAM))
	{
	  // Create a new ofstream to direct output to the file
	  ofstream *output_file = new ofstream (this->filename_);
	  ACE_Log_Msg::instance()->msg_ostream (output_file);
	}
      // Now set the flags for Log_Msg
      ACE_Log_Msg::instance()->set_flags (this->flags_);
    }
  return 0;
}

// The following is a "Factory" used by the ACE_Service_Config and
// svc.conf file to dynamically initialize the state of the Logging_Strategy.

ACE_SVC_FACTORY_DEFINE (ACE_Logging_Strategy)