source: source/ariba/communication/modules/transport/protlib/logfile.cpp@ 3995

/// ----------------------------------------*- mode: C++; -*--

/// @file logfile.cpp

/// Implementation of a logging stream

/// ----------------------------------------------------------

/// $Id: logfile.cpp 2549 2007-04-02 22:17:37Z bless $

/// $HeadURL: https://svn.ipv6.tm.uka.de/nsis/protlib/trunk/src/logfile.cpp $

// ===========================================================

//                      

// Copyright (C) 2005-2007, all rights reserved by

// - Institute of Telematics, Universitaet Karlsruhe (TH)

//

// More information and contact:

// https://projekte.tm.uka.de/trac/NSIS

//                      

// This program is free software; you can redistribute it and/or modify

// it under the terms of the GNU General Public License as published by

// the Free Software Foundation; version 2 of the License

//

// This program is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

//

// You should have received a copy of the GNU General Public License along

// with this program; if not, write to the Free Software Foundation, Inc.,

// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

//

// ===========================================================

#include "logfile.h"

#include <iostream>

#include <iomanip>

#include <new>



#include <time.h>

#include <sys/time.h> // gettimeofday



namespace protlib {



using namespace std;



  namespace log {



const char *const ANSIcolorcode[]= {

  "[0m",  // clear, off; reset; clears all colors and styles (to white on black)

  "[1m",  // bold_on           

  "[3m",  // italics_on        

  "[4m",  // underline_on      

  "[7m",  // inverse_on        

  "[9m",  // strikethrough_on  

  "[22m", // bold_off          

  "[23m", // italics_off       

  "[24m", // underline_off     

  "[27m", // inverse_off       

  "[29m", // strikethrough_off

  "[30m", // black             

  "[31m", // red               

  "[32m", // green             

  "[33m", // yellow            

  "[34m", // blue              

  "[35m", // magenta           

  "[36m", // cyan              

  "[37m", // white             

  "[39m", // default           

  "[40m", // bg_black          

  "[41m", // bg_red            

  "[42m", // bg_green          

  "[43m", // bg_yellow         

  "[44m", // bg_blue           

  "[45m", // bg_magenta        

  "[46m", // bg_cyan           

  "[47m", // bg_white          

  "[49m"  // bg_default       

};



const char* color[num_colors+1];



const char *const logclass_str[]=

{

  " ZERO  ",

  "*ERROR*",

  "WARNING",

  " EVENT ",

  " INFO  ",

  " DEBUG ",

  " EXPERT"

};





const char *const logseveritylevel_str[]=

  {

    "EMERG ",

    "ALERT ",

    "CRITIC",

    "LEVEL3",

    "NORMAL",

    "LEVEL5",

    "LEVEL6",

    "LEVEL7",

    "UNIMP ",

    "LEVEL9",

    "LEVELA",

    "LEVELB",

    "LEVELC",

    "LEVELD",

    "LEVELE",

    "-ALL- "

  };





/** set logging destination to new filename

 * @return true if logfile could be opened for given name

 */

bool

logfile::set_dest(const char* filename, bool quiet)

{

  // lock everything

  pthread_mutex_lock(&logmutex); 



  if (logstream && !quiet)

  {

//     (*logstream) << color[blue] << timenow() << '[' << getpid() << "] Redirecting Log output to \"" << filename << '\"' << endl;

//     (*logstream) << color[blue] << timenow() 

//               << '[' << getpid() << "] <<<<<<<<<<<<<<<<<<<<<<<< *** LOG  STOP *** <<<<<<<<<<<<<<<<<<<<<<<<" 

//               << color[off] << endl;

  }



  // delete old stream

  if (logstream!= &cout)

    delete logstream;



  // allocate new stream

  if (strlen(filename))

    logstream= new(nothrow) ofstream(filename);

  else

    logstream= &cout;



  pthread_mutex_unlock(&logmutex); 



  if (!logstream)

  {

    cerr << "Could not open logfile " << filename << endl;

    return false;

  }

  else

  {

//     (*logstream) << color[blue] << timenow() 

//               << '[' << getpid() << "] >>>>>>>>>>>>>>>>>>>>>>>> *** LOG START *** >>>>>>>>>>>>>>>>>>>>>>>>" 

//               << color[off] << endl;

  }

  return true;

}





ostream&

logfile::logstart(logclass_t logclass, loglevel_t severity_level, 

                  const string& modname,

                  const char* file, 

                  const char* func, 

                  int line)

{  

  // lock logstream for writing, must be unlocked by logfile.end()

  int mtxlck_ret= 0;

  if ( (mtxlck_ret= pthread_mutex_lock(&logmutex)) )

  {

    cerr << color[red] << "logfile::logstart() ERROR while locking mutex - return code:" << mtxlck_ret << "/" << strerror(mtxlck_ret) << endl;

  }



  if ( logstream )

  {

    (*logstream) << (logclass==ERROR_LOG ? color[bold_on] : "")

                 << (logclass==WARNING_LOG ? color[magenta] : 

                     (logclass==ERROR_LOG ? color[red] : color[off])

                    )

                 << timenow()

                 << '-' << getpid() << (logclass!=ERROR_LOG ? '-' : '*')

                 << color[bold_on] << logclass_str[logclass>>4] << (logclass==ERROR_LOG ? color[bold_on] : color[bold_off])

                 << (logclass!=ERROR_LOG ? '/' : '*') << hex << severity_level << dec

                 << ": " << color[bold_on] << left << setfill(' ') << setw(15) << modname << color[bold_off] << right << " " << color[off];

  }

  

  return (*logstream);

}





  } // end namespace log



} // end namespace protlib