This allows asterisk to be compiled with MALLOC_DEBUG to load modules built without MALLOC_DEBUG. Now pre-compiled third-party modules will still work regardless of MALLOC_DEBUG being enabled or not. Change-Id: Ic07ad80b2c2df894db984cf27b16a69383ce0e10
166 lines
3.8 KiB
C
166 lines
3.8 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 2007 - 2008, Digium, Inc.
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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/*! \file
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*
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* \brief Asterisk datastore objects
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*/
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/*** MODULEINFO
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<support_level>core</support_level>
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***/
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#include "asterisk.h"
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#include "asterisk/_private.h"
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#include "asterisk/datastore.h"
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#include "asterisk/utils.h"
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#include "asterisk/astobj2.h"
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#include "asterisk/uuid.h"
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#include "asterisk/module.h"
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/*! \brief Number of buckets for datastore container */
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#define DATASTORE_BUCKETS 53
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struct ast_datastore *__ast_datastore_alloc(
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const struct ast_datastore_info *info, const char *uid, struct ast_module *mod,
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const char *file, int line, const char *function)
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{
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struct ast_datastore *datastore = NULL;
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/* Make sure we at least have type so we can identify this */
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if (!info) {
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return NULL;
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}
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datastore = __ast_calloc(1, sizeof(*datastore), file, line, function);
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if (!datastore) {
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return NULL;
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}
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datastore->info = info;
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datastore->mod = mod;
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if (!ast_strlen_zero(uid) && !(datastore->uid = ast_strdup(uid))) {
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ast_free(datastore);
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datastore = NULL;
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}
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ast_module_ref(mod);
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return datastore;
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}
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int ast_datastore_free(struct ast_datastore *datastore)
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{
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int res = 0;
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/* Using the destroy function (if present) destroy the data */
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if (datastore->info->destroy != NULL && datastore->data != NULL) {
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datastore->info->destroy(datastore->data);
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datastore->data = NULL;
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}
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/* Free allocated UID memory */
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if (datastore->uid != NULL) {
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ast_free((void *) datastore->uid);
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datastore->uid = NULL;
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}
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ast_module_unref(datastore->mod);
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/* Finally free memory used by ourselves */
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ast_free(datastore);
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return res;
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}
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AO2_STRING_FIELD_HASH_FN(ast_datastore, uid);
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AO2_STRING_FIELD_CMP_FN(ast_datastore, uid);
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struct ao2_container *ast_datastores_alloc(void)
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{
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return ao2_container_alloc(DATASTORE_BUCKETS, ast_datastore_hash_fn, ast_datastore_cmp_fn);
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}
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int ast_datastores_add(struct ao2_container *datastores, struct ast_datastore *datastore)
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{
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ast_assert(datastore != NULL);
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ast_assert(datastore->info != NULL);
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ast_assert(!ast_strlen_zero(datastore->uid));
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if (!ao2_link(datastores, datastore)) {
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return -1;
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}
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return 0;
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}
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void ast_datastores_remove(struct ao2_container *datastores, const char *name)
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{
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ao2_find(datastores, name, OBJ_SEARCH_KEY | OBJ_UNLINK | OBJ_NODATA);
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}
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struct ast_datastore *ast_datastores_find(struct ao2_container *datastores, const char *name)
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{
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return ao2_find(datastores, name, OBJ_SEARCH_KEY);
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}
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static void datastore_destroy(void *obj)
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{
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struct ast_datastore *datastore = obj;
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/* Using the destroy function (if present) destroy the data */
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if (datastore->info->destroy != NULL && datastore->data != NULL) {
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datastore->info->destroy(datastore->data);
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datastore->data = NULL;
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}
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ast_free((void *) datastore->uid);
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datastore->uid = NULL;
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}
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struct ast_datastore *ast_datastores_alloc_datastore(const struct ast_datastore_info *info, const char *uid)
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{
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struct ast_datastore *datastore;
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char uuid_buf[AST_UUID_STR_LEN];
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const char *uid_ptr = uid;
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if (!info) {
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return NULL;
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}
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datastore = ao2_alloc(sizeof(*datastore), datastore_destroy);
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if (!datastore) {
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return NULL;
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}
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datastore->info = info;
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if (ast_strlen_zero(uid)) {
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/* They didn't provide an ID so we'll provide one ourself */
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uid_ptr = ast_uuid_generate_str(uuid_buf, sizeof(uuid_buf));
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}
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datastore->uid = ast_strdup(uid_ptr);
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if (!datastore->uid) {
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ao2_ref(datastore, -1);
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return NULL;
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}
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return datastore;
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}
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