summaryrefslogtreecommitdiffstats
path: root/loader2/log.c
blob: e93a87a78934a69804a629bdc631c401471048ac (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
/*
 * log.c - logging functionality
 *
 * Erik Troan <ewt@redhat.com>
 * Matt Wilson <msw@redhat.com>
 * Michael Fulbright <msf@redhat.com>
 * Jeremy Katz <katzj@redhat.com>
 *
 * Copyright 1997 - 2002 Red Hat, Inc.
 *
 * This software may be freely redistributed under the terms of the GNU
 * General Public License.
 *
 * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <fcntl.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <unistd.h>

#include "log.h"

static FILE * tty_logfile = NULL;
static FILE * file_logfile = NULL;
static int minLevel = INFO;

static void printLogHeader(int level, FILE *outfile) {
    time_t current_time = time(NULL);
    struct tm *t = gmtime (&current_time);

    switch (level) {
        case DEBUGLVL:
            fprintf (outfile, "%02d:%02d:%02d DEBUG   : ", t->tm_hour,
                     t->tm_min, t->tm_sec);
            break;

        case INFO:
            fprintf (outfile, "%02d:%02d:%02d INFO    : ", t->tm_hour,
                     t->tm_min, t->tm_sec);
            break;

        case WARNING:
            fprintf (outfile, "%02d:%02d:%02d WARNING : ", t->tm_hour,
                     t->tm_min, t->tm_sec);
            break;

        case ERROR:
            fprintf (outfile, "%02d:%02d:%02d ERROR   : ", t->tm_hour,
                     t->tm_min, t->tm_sec);
            break;

        case CRITICAL:
            fprintf (outfile, "%02d:%02d:%02d CRITICAL: ", t->tm_hour,
                     t->tm_min, t->tm_sec);
            break;
    }
}

void logMessage(int level, const char * s, ...) {
    va_list args;

    /* Only log to the screen things that are above the minimum level. */
    if (tty_logfile && level >= minLevel) {
        va_start(args, s);

        printLogHeader(level, tty_logfile);
        vfprintf(tty_logfile, s, args);
        fprintf(tty_logfile, "\n");
        fflush(tty_logfile);

        va_end(args);
    }

    /* But log everything to the file. */
    if (file_logfile) {
        va_start(args, s);

        printLogHeader(level, file_logfile);
        vfprintf(file_logfile, s, args);
        fprintf(file_logfile, "\n");
        fflush(file_logfile);

        va_end(args);
    }

    return;
}

void openLog(int useLocal) {
    int flags, fd;

    if (!useLocal) {
	tty_logfile = fopen("/dev/tty3", "w");
        file_logfile = fopen("/tmp/anaconda.log", "w");
    } else {
	tty_logfile = NULL;
	file_logfile = fopen("debug.log", "w");
    }

    if (tty_logfile) {
        fd = fileno(tty_logfile);
        flags = fcntl(fd, F_GETFD, 0) | FD_CLOEXEC;
        fcntl(fd, F_SETFD, flags);
    }

    if (file_logfile) {
        fd = fileno(file_logfile);
        flags = fcntl(fd, F_GETFD, 0) | FD_CLOEXEC;
        fcntl(fd, F_SETFD, flags);
    }
}

void closeLog(void) {
    if (tty_logfile)
	fclose(tty_logfile);

    if (file_logfile)
	fclose(file_logfile);
}

/* set the level.  higher means you see more verbosity */
void setLogLevel(int level) {
    minLevel = level;
}

int getLogLevel(void) {
    return minLevel;
}