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
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
|
// SPDX-License-Identifier: GPL-3.0-or-later
#include "appconfig_internals.h"
// ----------------------------------------------------------------------------
// config options index
int appconfig_option_compare(void *a, void *b) {
if(((struct config_option *)a)->name < ((struct config_option *)b)->name) return -1;
else if(((struct config_option *)a)->name > ((struct config_option *)b)->name) return 1;
else return string_cmp(((struct config_option *)a)->name, ((struct config_option *)b)->name);
}
struct config_option *appconfig_option_find(struct config_section *sect, const char *name) {
struct config_option opt_tmp = {
.name = string_strdupz(name),
};
struct config_option *rc = (struct config_option *)avl_search_lock(&(sect->values_index), (avl_t *) &opt_tmp);
appconfig_option_cleanup(&opt_tmp);
return rc;
}
// ----------------------------------------------------------------------------
// config options methods
void appconfig_option_cleanup(struct config_option *opt) {
string_freez(opt->value);
string_freez(opt->name);
string_freez(opt->migrated.section);
string_freez(opt->migrated.name);
string_freez(opt->value_original);
string_freez(opt->value_default);
opt->value = NULL;
opt->name = NULL;
opt->migrated.section = NULL;
opt->migrated.name = NULL;
opt->value_original = NULL;
opt->value_default = NULL;
}
void appconfig_option_free(struct config_option *opt) {
appconfig_option_cleanup(opt);
freez(opt);
}
struct config_option *appconfig_option_create(struct config_section *sect, const char *name, const char *value) {
struct config_option *opt = callocz(1, sizeof(struct config_option));
opt->name = string_strdupz(name);
opt->value = string_strdupz(value);
opt->value_original = string_dup(opt->value);
struct config_option *opt_found = appconfig_option_add(sect, opt);
if(opt_found != opt) {
nd_log(NDLS_DAEMON, NDLP_INFO,
"CONFIG: config '%s' in section '%s': already exists - using the existing one.",
string2str(opt->name), string2str(sect->name));
appconfig_option_free(opt);
return opt_found;
}
SECTION_LOCK(sect);
DOUBLE_LINKED_LIST_APPEND_ITEM_UNSAFE(sect->values, opt, prev, next);
SECTION_UNLOCK(sect);
return opt;
}
void appconfig_option_remove_and_delete(struct config_section *sect, struct config_option *opt, bool have_sect_lock) {
struct config_option *opt_found = appconfig_option_del(sect, opt);
if(opt_found != opt) {
nd_log(NDLS_DAEMON, NDLP_ERR,
"INTERNAL ERROR: Cannot remove '%s' from section '%s', it was not inserted before.",
string2str(opt->name), string2str(sect->name));
return;
}
if(!have_sect_lock)
SECTION_LOCK(sect);
DOUBLE_LINKED_LIST_REMOVE_ITEM_UNSAFE(sect->values, opt, prev, next);
if(!have_sect_lock)
SECTION_UNLOCK(sect);
appconfig_option_free(opt);
}
void appconfig_option_remove_and_delete_all(struct config_section *sect, bool have_sect_lock) {
if(!have_sect_lock)
SECTION_LOCK(sect);
while(sect->values)
appconfig_option_remove_and_delete(sect, sect->values, true);
if(!have_sect_lock)
SECTION_UNLOCK(sect);
}
void appconfig_get_raw_value_of_option(struct config_option *opt, const char *default_value, CONFIG_VALUE_TYPES type, reformat_t cb) {
opt->flags |= CONFIG_VALUE_USED;
if(type != CONFIG_VALUE_TYPE_UNKNOWN)
opt->type = type;
if((opt->flags & CONFIG_VALUE_LOADED) || (opt->flags & CONFIG_VALUE_CHANGED)) {
// this is a loaded value from the config file
// if it is different from the default, mark it
if(!(opt->flags & CONFIG_VALUE_CHECKED)) {
if(!(opt->flags & CONFIG_VALUE_REFORMATTED) && cb) {
STRING *value_old = opt->value;
opt->value = cb(opt->value);
if(opt->value != value_old)
opt->flags |= CONFIG_VALUE_REFORMATTED;
}
if(default_value && string_strcmp(opt->value, default_value) != 0)
opt->flags |= CONFIG_VALUE_CHANGED;
opt->flags |= CONFIG_VALUE_CHECKED;
}
}
if(!opt->value_default)
opt->value_default = string_strdupz(default_value);
}
struct config_option *appconfig_get_raw_value_of_option_in_section(struct config_section *sect, const char *option, const char *default_value, CONFIG_VALUE_TYPES type, reformat_t cb) {
// Only calls internal to this file check for a NULL result, and they do not supply a NULL arg.
// External caller should treat NULL as an error case.
struct config_option *opt = appconfig_option_find(sect, option);
if (!opt) {
if (!default_value) return NULL;
opt = appconfig_option_create(sect, option, default_value);
if (!opt) return NULL;
}
appconfig_get_raw_value_of_option(opt, default_value, type, cb);
return opt;
}
struct config_option *appconfig_get_raw_value(struct config *root, const char *section, const char *option, const char *default_value, CONFIG_VALUE_TYPES type, reformat_t cb) {
struct config_section *sect = appconfig_section_find(root, section);
if(!sect) {
if(!default_value) return NULL;
sect = appconfig_section_create(root, section);
}
return appconfig_get_raw_value_of_option_in_section(sect, option, default_value, type, cb);
}
void appconfig_set_raw_value_of_option(struct config_option *opt, const char *value, CONFIG_VALUE_TYPES type) {
opt->flags |= CONFIG_VALUE_USED;
if(opt->type == CONFIG_VALUE_TYPE_UNKNOWN)
opt->type = type;
if(string_strcmp(opt->value, value) != 0) {
opt->flags |= CONFIG_VALUE_CHANGED;
string_freez(opt->value);
opt->value = string_strdupz(value);
}
}
struct config_option *appconfig_set_raw_value_of_option_in_section(struct config_section *sect, const char *option, const char *value, CONFIG_VALUE_TYPES type) {
struct config_option *opt = appconfig_option_find(sect, option);
if(!opt)
opt = appconfig_option_create(sect, option, value);
appconfig_set_raw_value_of_option(opt, value, type);
return opt;
}
struct config_option *appconfig_set_raw_value(struct config *root, const char *section, const char *option, const char *value, CONFIG_VALUE_TYPES type) {
struct config_section *sect = appconfig_section_find(root, section);
if(!sect)
sect = appconfig_section_create(root, section);
return appconfig_set_raw_value_of_option_in_section(sect, option, value, type);
}
|
