summaryrefslogtreecommitdiffstats
path: root/loader2/log.c
blob: efaf022dee5230a3fc7bac44ad81d1fced437232 (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
/*
 * 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;
    va_start(args, s);
    vaLogMessage(level, s, args);
    va_end(args);
}

void vaLogMessage(int level, const char * s, va_list va) {
    /* Only log to the screen things that are above the minimum level. */
    if (tty_logfile && level >= minLevel) {
        printLogHeader(level, tty_logfile);
        vfprintf(tty_logfile, s, va);
        fprintf(tty_logfile, "\n");
        fflush(tty_logfile);
    }

    /* But log everything to the file. */
    if (file_logfile) {
        printLogHeader(level, file_logfile);
        vfprintf(file_logfile, s, va);
        fprintf(file_logfile, "\n");
        fflush(file_logfile);
    }

    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;
}