lbbs/src/log.c

/***************************************************************************
                          log.c  -  description
                             -------------------
    begin                : Mon Oct 18 2004
    copyright            : (C) 2004 by leaf
    email                : leaflet@leafok.com
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#include "io.h"
#include <stdio.h>
#include <stdarg.h>
#include <time.h>

FILE *fp_log_std;
FILE *fp_log_err;

int
log_begin (char *file_log_std, char *file_log_err)
{
  fp_log_std = fopen (file_log_std, "a");
  if (fp_log_std == NULL)
    {
      perror ("log_begin failed\n");
      return -1;
    }

  fp_log_err = fopen (file_log_err, "a");
  if (fp_log_err == NULL)
    {
      perror ("log_begin failed\n");
      return -2;
    }

  return 0;
}

int
log_end ()
{
  fclose (fp_log_std);
  fclose (fp_log_err);
}

int
log_head (char *buf)
{
  time_t t;
  char s_time[256];
  t = time (0);

  strftime (s_time, 256, "%Y-%m-%d %H:%M:%S", localtime (&t));
  sprintf (buf, "[%s] [%d] ", s_time, getpid ());

  return 0;
}

int
log_std (const char *format, ...)
{
  va_list args;
  int retval;
  char buf[1024];

  log_head (buf);
  strcat (buf, format);

  va_start (args, format);
  retval = vfprintf (fp_log_std, buf, args);
  va_end (args);

  fflush (fp_log_std);

  return retval;
}

int
log_error (const char *format, ...)
{
  va_list args;
  int retval;
  char buf[1024];

  log_head (buf);
  strcat (buf, format);

  va_start (args, format);
  retval = vfprintf (fp_log_err, buf, args);
  va_end (args);

  fflush (fp_log_err);

  return retval;
}

int
log_std_redirect (int fd)
{
  int ret;
  close (fileno (fp_log_std));
  ret = dup2 (fd, fileno (fp_log_std));
  return ret;
}

int
log_err_redirect (int fd)
{
  int ret;
  close (fileno (fp_log_err));
  ret = dup2 (fd, fileno (fp_log_err));
  return ret;
}
1	sysadm	1.1	/***************************************************************************
2			log.c - description
3			-------------------
4			begin : Mon Oct 18 2004
5			copyright : (C) 2004 by leaf
6			email : leaflet@leafok.com
7			***************************************************************************/
8
9			/***************************************************************************
10			* *
11			* This program is free software; you can redistribute it and/or modify *
12			* it under the terms of the GNU General Public License as published by *
13			* the Free Software Foundation; either version 2 of the License, or *
14			* (at your option) any later version. *
15			* *
16			***************************************************************************/
17
18	sysadm	1.6	#include "io.h"
19			#include <stdio.h>
20			#include <stdarg.h>
21			#include <time.h>
22	sysadm	1.1
23			FILE *fp_log_std;
24			FILE *fp_log_err;
25
26			int
27			log_begin (char file_log_std, char file_log_err)
28			{
29			fp_log_std = fopen (file_log_std, "a");
30			if (fp_log_std == NULL)
31			{
32			perror ("log_begin failed\n");
33			return -1;
34			}
35
36			fp_log_err = fopen (file_log_err, "a");
37			if (fp_log_err == NULL)
38			{
39			perror ("log_begin failed\n");
40	sysadm	1.4	return -2;
41	sysadm	1.1	}
42
43			return 0;
44			}
45
46			int
47			log_end ()
48			{
49			fclose (fp_log_std);
50			fclose (fp_log_err);
51			}
52
53			int
54	sysadm	1.2	log_head (char *buf)
55			{
56			time_t t;
57			char s_time[256];
58	sysadm	1.9	t = time (0);
59
60			strftime (s_time, 256, "%Y-%m-%d %H:%M:%S", localtime (&t));
61			sprintf (buf, "[%s] [%d] ", s_time, getpid ());
62
63	sysadm	1.2	return 0;
64			}
65
66			int
67	sysadm	1.9	log_std (const char *format, ...)
68	sysadm	1.1	{
69	sysadm	1.6	va_list args;
70			int retval;
71	sysadm	1.2	char buf[1024];
72
73	sysadm	1.9	log_head (buf);
74			strcat (buf, format);
75	sysadm	1.3
76	sysadm	1.6	va_start (args, format);
77	sysadm	1.7	retval = vfprintf (fp_log_std, buf, args);
78	sysadm	1.6	va_end (args);
79	sysadm	1.1
80	sysadm	1.9	fflush (fp_log_std);
81	sysadm	1.6
82			return retval;
83	sysadm	1.1	}
84
85			int
86	sysadm	1.9	log_error (const char *format, ...)
87	sysadm	1.1	{
88	sysadm	1.6	va_list args;
89			int retval;
90	sysadm	1.2	char buf[1024];
91	sysadm	1.1
92	sysadm	1.9	log_head (buf);
93			strcat (buf, format);
94	sysadm	1.3
95	sysadm	1.6	va_start (args, format);
96	sysadm	1.7	retval = vfprintf (fp_log_err, buf, args);
97	sysadm	1.6	va_end (args);
98	sysadm	1.2
99	sysadm	1.9	fflush (fp_log_err);
100	sysadm	1.1
101	sysadm	1.6	return retval;
102	sysadm	1.1	}
103	sysadm	1.5
104			int
105	sysadm	1.9	log_std_redirect (int fd)
106	sysadm	1.5	{
107			int ret;
108	sysadm	1.9	close (fileno (fp_log_std));
109			ret = dup2 (fd, fileno (fp_log_std));
110	sysadm	1.5	return ret;
111			}
112
113			int
114	sysadm	1.9	log_err_redirect (int fd)
115	sysadm	1.5	{
116			int ret;
117	sysadm	1.9	close (fileno (fp_log_err));
118			ret = dup2 (fd, fileno (fp_log_err));
119	sysadm	1.5	return ret;
120			}
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