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1 // SPDX-License-Identifier: GPL-3.0-or-later
2
3 #include "inicfg_internals.h"
4
5 // ----------------------------------------------------------------------------
6 // config sections index
7
8 int inicfg_section_compare(void *a, void *b) {
9 if(((struct config_section *)a)->name < ((struct config_section *)b)->name) return -1;
10 else if(((struct config_section *)a)->name > ((struct config_section *)b)->name) return 1;
11 else return string_cmp(((struct config_section *)a)->name, ((struct config_section *)b)->name);
12 }
13
14 struct config_section *inicfg_section_find(struct config *root, const char *name) {
15 struct config_section sect_tmp = {
16 .name = string_strdupz(name),
17 };
18
19 struct config_section *rc = (struct config_section *)avl_search_lock(&root->index, (avl_t *) &sect_tmp);
20 string_freez(sect_tmp.name);
21 return rc;
22 }
23
24 // ----------------------------------------------------------------------------
25 // config section methods
26
27 void inicfg_section_free(struct config_section *sect) {
28 avl_destroy_lock(&sect->values_index);
29 string_freez(sect->name);
30 freez(sect);
31 }
32
33 void inicfg_section_remove_and_delete(struct config *root, struct config_section *sect, bool have_root_lock, bool have_sect_lock) {
34 struct config_section *sect_found = inicfg_section_del(root, sect);
35 if(sect_found != sect) {
36 nd_log(NDLS_DAEMON, NDLP_ERR,
37 "INTERNAL ERROR: Cannot remove section '%s', it was not inserted before.",
38 string2str(sect->name));
39 return;
40 }
41
42 inicfg_option_remove_and_delete_all(sect, have_sect_lock);
43
44 if(!have_root_lock)
45 APPCONFIG_LOCK(root);
46
47 DOUBLE_LINKED_LIST_REMOVE_ITEM_UNSAFE(root->sections, sect, prev, next);
48
49 if(!have_root_lock)
50 APPCONFIG_UNLOCK(root);
51
52 // if the caller has the section lock, we will unlock it, to cleanup
53 if(have_sect_lock)
54 SECTION_UNLOCK(sect);
55
56 inicfg_section_free(sect);
57 }
58
59 struct config_section *inicfg_section_create(struct config *root, const char *section) {
60 struct config_section *sect = callocz(1, sizeof(struct config_section));
61 sect->name = string_strdupz(section);
62 spinlock_init(&sect->spinlock);
63
64 avl_init_lock(&sect->values_index, inicfg_option_compare);
65
66 struct config_section *sect_found = inicfg_section_add(root, sect);
67 if(sect_found != sect) {
68 nd_log(NDLS_DAEMON, NDLP_ERR,
69 "CONFIG: section '%s', already exists, using existing.",
70 string2str(sect->name));
71 inicfg_section_free(sect);
72 return sect_found;
73 }
74
75 APPCONFIG_LOCK(root);
76 DOUBLE_LINKED_LIST_APPEND_ITEM_UNSAFE(root->sections, sect, prev, next);
77 APPCONFIG_UNLOCK(root);
78
79 return sect;
80 }
81
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