| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | #include "inicfg_internals.h" |
| 4 | |
| 5 | void inicfg_section_destroy_non_loaded(struct config *root, const char *section) |
| 6 | { |
| 7 | struct config_section *sect; |
| 8 | struct config_option *opt; |
| 9 | |
| 10 | netdata_log_debug(D_CONFIG, "Destroying section '%s'.", section); |
| 11 | |
| 12 | sect = inicfg_section_find(root, section); |
| 13 | if(!sect) { |
| 14 | netdata_log_error("Could not destroy section '%s'. Not found.", section); |
| 15 | return; |
| 16 | } |
| 17 | |
| 18 | SECTION_LOCK(sect); |
| 19 | |
| 20 | // find if there is any loaded option |
| 21 | for(opt = sect->values; opt; opt = opt->next) { |
| 22 | if (opt->flags & CONFIG_VALUE_LOADED) { |
| 23 | // do not destroy values that were loaded from the configuration files. |
| 24 | SECTION_UNLOCK(sect); |
| 25 | return; |
| 26 | } |
| 27 | } |
| 28 | |
| 29 | // no option is loaded, free them all |
| 30 | inicfg_section_remove_and_delete(root, sect, false, true); |
| 31 | } |
| 32 | |
| 33 | void inicfg_section_option_destroy_non_loaded(struct config *root, const char *section, const char *name) { |
| 34 | struct config_section *sect; |
| 35 | sect = inicfg_section_find(root, section); |
| 36 | if (!sect) { |
| 37 | netdata_log_error("Could not destroy section option '%s -> %s'. The section not found.", section, name); |
| 38 | return; |
| 39 | } |
| 40 | |
| 41 | SECTION_LOCK(sect); |
| 42 | |
| 43 | struct config_option *opt = inicfg_option_find(sect, name); |
| 44 | if (opt && opt->flags & CONFIG_VALUE_LOADED) { |
| 45 | SECTION_UNLOCK(sect); |
| 46 | return; |
| 47 | } |
| 48 | |
| 49 | if (unlikely(!(opt && inicfg_option_del(sect, opt)))) { |
| 50 | SECTION_UNLOCK(sect); |
| 51 | netdata_log_error("Could not destroy section option '%s -> %s'. The option not found.", section, name); |
| 52 | return; |
| 53 | } |
| 54 | |
| 55 | DOUBLE_LINKED_LIST_REMOVE_ITEM_UNSAFE(sect->values, opt, prev, next); |
| 56 | |
| 57 | inicfg_option_free(opt); |
| 58 | SECTION_UNLOCK(sect); |
| 59 | } |
| 60 | |
| 61 | /** |
| 62 | * Free all config memory |
| 63 | * |
| 64 | * This function frees all memory associated with a config structure, |
| 65 | * including all sections and options. |
| 66 | * |
| 67 | * @param root The config structure to free |
| 68 | */ |
| 69 | void inicfg_free(struct config *root) { |
| 70 | if (!root) |
| 71 | return; |
| 72 | |
| 73 | nd_log(NDLS_DAEMON, NDLP_DEBUG, "Freeing config memory"); |
| 74 | |
| 75 | // First let's free the linked list (this will properly free all sections and options) |
| 76 | APPCONFIG_LOCK(root); |
| 77 | struct config_section *sect = root->sections; |
| 78 | |
| 79 | while (sect) { |
| 80 | struct config_section *next_sect = sect->next; |
| 81 | |
| 82 | // Remove and free all options in this section |
| 83 | SECTION_LOCK(sect); |
| 84 | struct config_option *opt = sect->values; |
| 85 | while (opt) { |
| 86 | struct config_option *next_opt = opt->next; |
| 87 | |
| 88 | // Remove from index |
| 89 | if(inicfg_option_del(sect, opt)) { ; } |
| 90 | |
| 91 | // Free the option |
| 92 | inicfg_option_free(opt); |
| 93 | |
| 94 | opt = next_opt; |
| 95 | } |
| 96 | SECTION_UNLOCK(sect); |
| 97 | |
| 98 | // Remove from index |
| 99 | if(inicfg_section_del(root, sect)) { ; } |
| 100 | |
| 101 | // Free the section |
| 102 | inicfg_section_free(sect); |
| 103 | |
| 104 | sect = next_sect; |
| 105 | } |
| 106 | |
| 107 | // Reset the sections pointer |
| 108 | root->sections = NULL; |
| 109 | APPCONFIG_UNLOCK(root); |
| 110 | |
| 111 | // Destroy the tree |
| 112 | avl_destroy_lock(&root->index); |
| 113 | } |
| 114 |