4f58df0667d0322051cb2067e616038388599b76
1 /**
2 * collection4 - graph_config.c
3 * Copyright (C) 2010 Florian octo Forster
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 * Boston, MA 02110-1301 USA
19 *
20 * Authors:
21 * Florian octo Forster <ff at octo.it>
22 **/
24 #include <stdlib.h>
25 #include <unistd.h>
26 #include <string.h>
27 #include <strings.h>
28 #include <sys/types.h>
29 #include <sys/stat.h>
30 #include <errno.h>
32 #include "graph_config.h"
33 #include "graph.h"
34 #include "graph_list.h"
35 #include "oconfig.h"
36 #include "common.h"
38 #ifndef CONFIGFILE
39 # define CONFIGFILE "/etc/collection.conf"
40 #endif
42 time_t last_read_mtime = 0;
44 static int dispatch_config (const oconfig_item_t *ci) /* {{{ */
45 {
46 int i;
48 for (i = 0; i < ci->children_num; i++)
49 {
50 oconfig_item_t *child;
52 child = ci->children + i;
53 if (strcasecmp ("Graph", child->key) == 0)
54 graph_config_add (child);
55 else
56 {
57 DEBUG ("Unknown config option: %s", child->key);
58 }
59 }
61 return (0);
62 } /* }}} int dispatch_config */
64 static int internal_read_config (void) /* {{{ */
65 {
66 oconfig_item_t *ci;
68 ci = oconfig_parse_file (CONFIGFILE);
69 if (ci == NULL)
70 return (-1);
72 dispatch_config (ci);
74 oconfig_free (ci);
76 gl_config_submit ();
78 return (0);
79 } /* }}} int internal_read_config */
81 static time_t get_config_mtime (void) /* {{{ */
82 {
83 struct stat statbuf;
84 int status;
86 memset (&statbuf, 0, sizeof (statbuf));
87 status = stat (CONFIGFILE, &statbuf);
88 if (status != 0)
89 return (0);
91 return (statbuf.st_mtime);
92 } /* }}} time_t get_config_mtime */
94 int graph_read_config (void) /* {{{ */
95 {
96 time_t mtime;
98 mtime = get_config_mtime ();
100 if (mtime <= last_read_mtime)
101 return (0);
103 internal_read_config ();
105 last_read_mtime = mtime;
107 return (0);
108 } /* }}} int graph_read_config */
110 int graph_config_get_string (const oconfig_item_t *ci, /* {{{ */
111 char **ret_str)
112 {
113 char *tmp;
115 if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING))
116 return (EINVAL);
118 tmp = strdup (ci->values[0].value.string);
119 if (tmp == NULL)
120 return (ENOMEM);
122 free (*ret_str);
123 *ret_str = tmp;
125 return (0);
126 } /* }}} int graph_config_get_string */
128 int graph_config_get_bool (const oconfig_item_t *ci, /* {{{ */
129 _Bool *ret_bool)
130 {
131 if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_BOOLEAN))
132 return (EINVAL);
134 if (ci->values[0].value.boolean)
135 *ret_bool = 1;
136 else
137 *ret_bool = 0;
139 return (0);
140 } /* }}} int graph_config_get_bool */
142 /* vim: set sw=2 sts=2 et fdm=marker : */