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1 // SPDX-License-Identifier: GPL-3.0-or-later
2
3 #ifndef LIBNETDATA_INICFG_INTERNALS_H
4 #define LIBNETDATA_INICFG_INTERNALS_H
5
6 #include "inicfg.h"
7
8 typedef enum __attribute__((packed)) {
9 CONFIG_VALUE_TYPE_UNKNOWN = 0,
10 CONFIG_VALUE_TYPE_TEXT,
11 CONFIG_VALUE_TYPE_HOSTNAME,
12 CONFIG_VALUE_TYPE_USERNAME,
13 CONFIG_VALUE_TYPE_FILENAME,
14 CONFIG_VALUE_TYPE_PATH,
15 CONFIG_VALUE_TYPE_SIMPLE_PATTERN,
16 CONFIG_VALUE_TYPE_URL,
17 CONFIG_VALUE_TYPE_ENUM,
18 CONFIG_VALUE_TYPE_BITMAP,
19 CONFIG_VALUE_TYPE_INTEGER,
20 CONFIG_VALUE_TYPE_DOUBLE,
21 CONFIG_VALUE_TYPE_BOOLEAN,
22 CONFIG_VALUE_TYPE_BOOLEAN_ONDEMAND,
23 CONFIG_VALUE_TYPE_DURATION_IN_SECS,
24 CONFIG_VALUE_TYPE_DURATION_IN_MS,
25 CONFIG_VALUE_TYPE_DURATION_IN_DAYS_TO_SECONDS,
26 CONFIG_VALUE_TYPE_SIZE_IN_BYTES,
27 CONFIG_VALUE_TYPE_SIZE_IN_MB,
28 } CONFIG_VALUE_TYPES;
29
30 typedef enum __attribute__((packed)) {
31 CONFIG_VALUE_LOADED = (1 << 0), // has been loaded from the config
32 CONFIG_VALUE_USED = (1 << 1), // has been accessed from the program
33 CONFIG_VALUE_CHANGED = (1 << 2), // has been changed from the loaded value or the internal default value
34 CONFIG_VALUE_CHECKED = (1 << 3), // has been checked if the value is different from the default
35 CONFIG_VALUE_MIGRATED = (1 << 4), // has been migrated from an old config
36 CONFIG_VALUE_REFORMATTED = (1 << 5), // has been reformatted with the official formatting
37 CONFIG_VALUE_DEFAULT_SET = (1 << 6), // the default value has been set
38 } CONFIG_VALUE_FLAGS;
39
40 struct config_option {
41 avl_t avl_node; // the index entry of this entry - this has to be first!
42
43 CONFIG_VALUE_TYPES type;
44 CONFIG_VALUE_FLAGS flags;
45
46 STRING *name;
47 STRING *value;
48
49 STRING *value_original; // the original value of this option (the first value it got, independently on how it got it)
50 STRING *value_default; // the internal default value of this option (the first value it got, from inicfg_get_XXX())
51
52 // when we move options around, this is where we keep the original
53 // section and name (of the first migration)
54 struct {
55 STRING *section;
56 STRING *name;
57 } migrated;
58
59 struct config_option *prev, *next; // config->mutex protects just this
60 };
61
62 struct config_section {
63 avl_t avl_node; // the index entry of this section - this has to be first!
64
65 STRING *name;
66
67 struct config_option *values;
68 avl_tree_lock values_index;
69
70 SPINLOCK spinlock;
71 struct config_section *prev, *next; // global config_mutex protects just this
72 };
73
74 // ----------------------------------------------------------------------------
75 // locking
76
77 #define APPCONFIG_LOCK(root) spinlock_lock(&((root)->spinlock))
78 #define APPCONFIG_UNLOCK(root) spinlock_unlock(&((root)->spinlock))
79 #define SECTION_LOCK(sect) spinlock_lock(&((sect)->spinlock))
80 #define SECTION_UNLOCK(sect) spinlock_unlock(&((sect)->spinlock));
81
82 // config sections
83 void inicfg_section_free(struct config_section *sect);
84 void inicfg_section_remove_and_delete(struct config *root, struct config_section *sect, bool have_root_lock, bool have_sect_lock);
85 #define inicfg_section_add(root, cfg) (struct config_section *)avl_insert_lock(&(root)->index, (avl_t *)(cfg))
86 #define inicfg_section_del(root, cfg) (struct config_section *)avl_remove_lock(&(root)->index, (avl_t *)(cfg))
87 struct config_section *inicfg_section_find(struct config *root, const char *name);
88 struct config_section *inicfg_section_create(struct config *root, const char *section);
89
90 // config options
91 void inicfg_option_cleanup(struct config_option *opt);
92 void inicfg_option_free(struct config_option *opt);
93 void inicfg_option_remove_and_delete(struct config_section *sect, struct config_option *opt, bool have_sect_lock);
94 void inicfg_option_remove_and_delete_all(struct config_section *sect, bool have_sect_lock);
95 int inicfg_option_compare(void *a, void *b);
96 #define inicfg_option_add(co, cv) (struct config_option *)avl_insert_lock(&((co)->values_index), (avl_t *)(cv))
97 #define inicfg_option_del(co, cv) (struct config_option *)avl_remove_lock(&((co)->values_index), (avl_t *)(cv))
98 struct config_option *inicfg_option_find(struct config_section *sect, const char *name);
99 struct config_option *inicfg_option_create(struct config_section *sect, const char *name, const char *value);
100
101 // lookup
102 int inicfg_get_boolean_by_section(struct config_section *sect, const char *name, int value);
103
104 typedef STRING *(*reformat_t)(STRING *value);
105 struct config_option *inicfg_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);
106 struct config_option *inicfg_get_raw_value(struct config *root, const char *section, const char *option, const char *default_value, CONFIG_VALUE_TYPES type, reformat_t cb);
107
108 void inicfg_set_raw_value_of_option(struct config_option *opt, const char *value, CONFIG_VALUE_TYPES type);
109 struct config_option *inicfg_set_raw_value_of_option_in_section(struct config_section *sect, const char *option, const char *value, CONFIG_VALUE_TYPES type);
110 struct config_option *inicfg_set_raw_value(struct config *root, const char *section, const char *option, const char *value, CONFIG_VALUE_TYPES type);
111
112 // cleanup
113 void inicfg_section_destroy_non_loaded(struct config *root, const char *section);
114 void inicfg_section_option_destroy_non_loaded(struct config *root, const char *section, const char *name);
115
116 // exporters
117 _CONNECTOR_INSTANCE *add_connector_instance(struct config_section *connector, struct config_section *instance);
118 int is_valid_connector(char *type, int check_reserved);
119
120 #endif /* LIBNETDATA_INICFG_INTERNALS_H */