/*
 * log.c:
 *
 * Copyright (c) 2008 James McKenzie <james@fishsoup.dhs.org>,
 * All rights reserved.
 *
 */

static char rcsid[] = "$Id$";

/*
 * $Log$
 * Revision 1.1  2008/02/14 12:14:50  james
 * *** empty log message ***
 *
 */

#include "project.h"

typedef struct
{
  LOG_SIGNATURE;
  FILE *fp;
} File_Log;

static void
flog_log (Log * _l, char *buf)
{
  File_Log *l = (File_Log *) _l;
  struct timeval tv = { 0 };
  struct tm *tm;
  time_t t;
  static const char *days[] = { "Sun", "Mon", "Tue",
    "Wed", "Thu", "Fri", "Sat"
  };
  static const char *months[] = {
    "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct",
    "Nov", "Dec"
  };

  if (!l->fp)
    return;

  gettimeofday (&tv, NULL);
  t = tv.tv_sec;
  tm = localtime (&t);

  fprintf (l->fp, "%s %2d %02d:%02d:%02d.%06d ", months[tm->tm_mon],
           tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec, tv.tv_usec);

  fputs (buf, l->fp);
  fputc ('\n', l->fp);
  fflush (l->fp);
}

static void
flog_close (Log * _l)
{
  File_Log *l = (File_Log *) _l;
  if (l->fp)
    fclose (l->fp);
  free (l);
}

Log *
file_log_new (char *fn)
{
  File_Log *l;
  FILE *f;

  f = fopen (fn, "a+");
  if (!f)
    return NULL;

  l = malloc (sizeof (File_Log));

  l->log = flog_log;
  l->close = flog_close;
  l->fp = f;

  return (Log *) l;
}