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 <string.h>
#include <stdarg.h>
#include <sys/types.h>
#include <time.h>
#include <unistd.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	sysadm	1.11	log.c - description
3			-------------------
4			begin : Mon Oct 18 2004
5			copyright : (C) 2004 by leaf
6			email : leaflet@leafok.com
7	sysadm	1.1	***************************************************************************/
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	sysadm	1.12	#include <string.h>
21	sysadm	1.6	#include <stdarg.h>
22	sysadm	1.10	#include <sys/types.h>
23	sysadm	1.6	#include <time.h>
24	sysadm	1.10	#include <unistd.h>
25	sysadm	1.1
26			FILE *fp_log_std;
27			FILE *fp_log_err;
28
29	sysadm	1.11	int log_begin(char file_log_std, char file_log_err)
30	sysadm	1.1	{
31	sysadm	1.11	fp_log_std = fopen(file_log_std, "a");
32			if (fp_log_std == NULL)
33			{
34			perror("log_begin failed\n");
35			return -1;
36			}
37	sysadm	1.1
38	sysadm	1.11	fp_log_err = fopen(file_log_err, "a");
39			if (fp_log_err == NULL)
40			{
41			perror("log_begin failed\n");
42			return -2;
43			}
44	sysadm	1.1
45	sysadm	1.11	return 0;
46	sysadm	1.1	}
47
48	sysadm	1.11	int log_end()
49	sysadm	1.1	{
50	sysadm	1.11	fclose(fp_log_std);
51			fclose(fp_log_err);
52	sysadm	1.1	}
53
54	sysadm	1.11	int log_head(char *buf)
55	sysadm	1.2	{
56	sysadm	1.11	time_t t;
57			char s_time[256];
58			t = time(0);
59	sysadm	1.9
60	sysadm	1.11	strftime(s_time, 256, "%Y-%m-%d %H:%M:%S", localtime(&t));
61			sprintf(buf, "[%s] [%d] ", s_time, getpid());
62	sysadm	1.9
63	sysadm	1.11	return 0;
64	sysadm	1.2	}
65
66	sysadm	1.11	int log_std(const char *format, ...)
67	sysadm	1.1	{
68	sysadm	1.11	va_list args;
69			int retval;
70			char buf[1024];
71	sysadm	1.2
72	sysadm	1.11	log_head(buf);
73			strcat(buf, format);
74	sysadm	1.3
75	sysadm	1.11	va_start(args, format);
76			retval = vfprintf(fp_log_std, buf, args);
77			va_end(args);
78	sysadm	1.1
79	sysadm	1.11	fflush(fp_log_std);
80	sysadm	1.6
81	sysadm	1.11	return retval;
82	sysadm	1.1	}
83
84	sysadm	1.11	int log_error(const char *format, ...)
85	sysadm	1.1	{
86	sysadm	1.11	va_list args;
87			int retval;
88			char buf[1024];
89	sysadm	1.1
90	sysadm	1.11	log_head(buf);
91			strcat(buf, format);
92	sysadm	1.3
93	sysadm	1.11	va_start(args, format);
94			retval = vfprintf(fp_log_err, buf, args);
95			va_end(args);
96	sysadm	1.2
97	sysadm	1.11	fflush(fp_log_err);
98	sysadm	1.1
99	sysadm	1.11	return retval;
100	sysadm	1.1	}
101	sysadm	1.5
102	sysadm	1.11	int log_std_redirect(int fd)
103	sysadm	1.5	{
104	sysadm	1.11	int ret;
105			close(fileno(fp_log_std));
106			ret = dup2(fd, fileno(fp_log_std));
107			return ret;
108	sysadm	1.5	}
109
110	sysadm	1.11	int log_err_redirect(int fd)
111	sysadm	1.5	{
112	sysadm	1.11	int ret;
113			close(fileno(fp_log_err));
114			ret = dup2(fd, fileno(fp_log_err));
115			return ret;
116	sysadm	1.5	}
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