1631 lines
58 KiB
C
1631 lines
58 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 2012 - 2013, Digium, Inc.
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*
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* Joshua Colp <jcolp@digium.com>
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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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* \brief Sorcery Data Access Layer API
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* \author Joshua Colp <jcolp@digium.com>
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* \ref AstSorcery
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*/
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/*!
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* \page AstSorcery Data Access Layer API
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*
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* Sorcery is a unifying data access layer which utilizes the configuration framework,
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* realtime, and astdb to allow object creation, retrieval, updating, and deletion.
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*
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* \par Initialization
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*
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* Usage of sorcery is accomplished by first opening a sorcery structure. This structure holds
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* all information about the object types, object fields, and object mappings. All API functions
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* require the sorcery structure to operate. When sorcery is no longer needed the structure can
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* be unreferenced using \ref ast_sorcery_unref
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*
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* Once opened the sorcery structure must have object mappings applied to it. This maps the
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* object types to their respective wizards (object storage modules). If the developer would like
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* to allow the user to configure this using the sorcery.conf configuration file the
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* \ref ast_sorcery_apply_config API call can be used to read in the configuration file and apply the
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* mappings. \ref ast_sorcery_open will automatically call \ref ast_sorcery_apply_config to allow
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* for configuration of objects using the same category name as the module that is opening the
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* sorcery instance. Direct calls to \ref ast_sorcery_apply_config should only be performed if a
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* module wishes to allow for additional configuration sections in sorcery.conf to be used.
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* If the storage of the object types are such that a default wizard can be used this can
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* be applied using the \ref ast_sorcery_apply_default API call. Note that the default mappings will not
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* override configured mappings. They are only used in the case where no configured mapping exists.
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*
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* Configuring object mappings implicitly creates a basic version of an object type. The object type
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* must be fully registered, however, using the \ref ast_sorcery_object_register API call before any
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* objects of the type can be allocated, created, or retrieved.
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*
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* Once the object type itself has been fully registered the individual fields within the object must
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* be registered using the \ref ast_sorcery_object_field_register API call. Note that not all fields *need*
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* be registered. Only fields that should be accessible using the sorcery API have to be registered.
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*
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* \par Creating Objects
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*
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* Before an object can be created within the sorcery API it must first be allocated using the
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* \ref ast_sorcery_alloc API call. This allocates a new instance of the object, sets sorcery specific
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* details, and applies default values to the object. A unique identifier can optionally be specified
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* when allocating an object. If it is not provided one will be automatically generated. Allocating
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* an object does not create it within any object storage mechanisms that are configured for the
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* object type. Creation must explicitly be done using the \ref ast_sorcery_create API call. This API call
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* passes the object to each configured object storage mechanism for the object type until one
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* successfully persists the object.
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*
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* \par Retrieving Objects
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*
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* To retrieve a single object using its unique identifier the \ref ast_sorcery_retrieve_by_id API call
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* can be used.
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*
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* To retrieve potentially multiple objects using specific fields the \ref ast_sorcery_retrieve_by_fields
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* API call can be used. The behavior of this API call is controlled using different flags. If the
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* AST_RETRIEVE_FLAG_MULTIPLE flag is used a container will be returned which contains all matching objects.
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* To retrieve all objects the AST_RETRIEVE_FLAG_ALL flag can be specified. Note that when specifying this flag
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* you do not need to pass any fields.
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*
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* Both API calls return shared objects. Modification of the object can not occur until it has been copied.
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*
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* \par Updating Objects
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*
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* As retrieved objects may be shared the first step to updating the object with new details is creating a
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* copy using the \ref ast_sorcery_copy API call. This will return a new object which is specific to the caller.
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* Any field within the object may be modified as needed. Once changes are done the changes can be committed
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* using the \ref ast_sorcery_update API call. Note that as the copied object is specific to the caller it must
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* be unreferenced after use.
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*
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* \par Deleting Objects
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*
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* To delete an object simply call the \ref ast_sorcery_delete API call with an object retrieved using the
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* ast_sorcery_retrieve_by_* API calls or a copy returned from \ref ast_sorcery_copy.
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*/
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#ifndef _ASTERISK_SORCERY_H
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#define _ASTERISK_SORCERY_H
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#if defined(__cplusplus) || defined(c_plusplus)
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extern "C" {
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#endif
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#include "asterisk/config_options.h"
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#include "asterisk/uuid.h"
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/*! \brief Maximum size of an object type */
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#define MAX_OBJECT_TYPE 64
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/*! \brief Maximum length of an object field name */
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#define MAX_OBJECT_FIELD 128
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/*!
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* \brief Retrieval flags
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*/
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enum ast_sorcery_retrieve_flags {
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/*! \brief Default retrieval flags */
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AST_RETRIEVE_FLAG_DEFAULT = 0,
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/*! \brief Return all matching objects */
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AST_RETRIEVE_FLAG_MULTIPLE = (1 << 0),
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/*! \brief Perform no matching, return all objects */
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AST_RETRIEVE_FLAG_ALL = (1 << 1),
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};
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/*!
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* \brief Field handler flags
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*/
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enum ast_sorcery_field_handler_flags {
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/*! \brief Try both handlers, string first */
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AST_HANDLER_PREFER_STRING,
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/*! \brief Try both handlers, list first */
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AST_HANDLER_PREFER_LIST,
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/*! \brief Use string handler only */
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AST_HANDLER_ONLY_STRING,
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/*! \brief Use list handler only */
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AST_HANDLER_ONLY_LIST,
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};
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/*! \brief Forward declaration for the sorcery main structure and wizard structure */
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struct ast_sorcery;
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struct ast_sorcery_wizard;
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/*!
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* \brief A callback function for translating a value into a string
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*
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* \param obj Object to get value from
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* \param args Where the field is
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* \param buf Pointer to the buffer that the handler has created which contains the field value
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*
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* \retval 0 success
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* \retval -1 failure
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*/
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typedef int (*sorcery_field_handler)(const void *obj, const intptr_t *args, char **buf);
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/*!
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* \brief A callback function for translating multiple values into an ast_variable list
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*
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* \param obj Object to get values from
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* \param fields Pointer to store the list of fields
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*
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* \retval 0 success
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* \retval -1 failure
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*/
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typedef int (*sorcery_fields_handler)(const void *obj, struct ast_variable **fields);
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/*!
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* \brief A callback function for performing a transformation on an object set
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*
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* \param set The existing object set
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*
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* \retval non-NULL new object set if changed
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* \retval NULL if no changes present
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*
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* \note The returned ast_variable list must be *new*. You can not return the input set.
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*/
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typedef struct ast_variable *(*sorcery_transform_handler)(struct ast_variable *set);
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/*!
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* \brief A callback function for when an object set is successfully applied to an object
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*
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* \note On a failure return, the state of the object is left undefined. It is a bad
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* idea to try to use this object.
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*
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* \param sorcery Sorcery structure in use
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* \param obj The object itself
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* \retval 0 Success
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* \retval non-zero Failure
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*/
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typedef int (*sorcery_apply_handler)(const struct ast_sorcery *sorcery, void *obj);
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/*!
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* \brief A callback function for copying the contents of one object to another
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*
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* \param src The source object
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* \param dst The destination object
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*
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* \retval 0 success
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* \retval -1 failure
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*/
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typedef int (*sorcery_copy_handler)(const void *src, void *dst);
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/*!
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* \brief A callback function for generating a changeset between two objects
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*
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* \param original The original object
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* \param modified The modified object
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* \param changes The changeset
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*
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* \retval 0 success
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* \retval -1 failure
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*/
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typedef int (*sorcery_diff_handler)(const void *original, const void *modified, struct ast_variable **changes);
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/*! \brief Interface for the global sorcery observer */
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struct ast_sorcery_global_observer {
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/*! \brief Callback after an instance is created */
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void (*instance_created)(const char *name, struct ast_sorcery *sorcery);
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/*! \brief Callback after an wizard is registered */
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void (*wizard_registered)(const char *name,
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const struct ast_sorcery_wizard *wizard);
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/*! \brief Callback before an instance is destroyed */
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void (*instance_destroying)(const char *name, struct ast_sorcery *sorcery);
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/*! \brief Callback before a wizard is unregistered */
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void (*wizard_unregistering)(const char *name,
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const struct ast_sorcery_wizard *wizard);
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};
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/*! \brief Interface for the sorcery instance observer */
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struct ast_sorcery_instance_observer {
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/*! \brief Callback before instance is loaded/reloaded */
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void (*instance_loading)(const char *name, const struct ast_sorcery *sorcery,
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int reloaded);
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/*! \brief Callback after instance is loaded/reloaded */
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void (*instance_loaded)(const char *name, const struct ast_sorcery *sorcery,
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int reloaded);
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/*! \brief Callback after a wizard is mapped to an object_type */
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void (*wizard_mapped)(const char *name, struct ast_sorcery *sorcery,
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const char *object_type, struct ast_sorcery_wizard *wizard,
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const char *wizard_args, void *wizard_data);
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/*! \brief Callback after any object_type is registered */
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void (*object_type_registered)(const char *name, struct ast_sorcery *sorcery,
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const char *object_type);
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/*! \brief Callback before any object_type is loaded/reloaded */
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void (*object_type_loading)(const char *name, const struct ast_sorcery *sorcery,
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const char *object_type, int reloaded);
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/*! \brief Callback after any object_type is loaded/reloaded */
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void (*object_type_loaded)(const char *name, const struct ast_sorcery *sorcery,
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const char *object_type, int reloaded);
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};
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/*! \brief Interface for the sorcery wizard observer */
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struct ast_sorcery_wizard_observer {
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/*! \brief Callback before a wizard is loaded/reloaded for any type */
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void (*wizard_loading)(const char *name, const struct ast_sorcery_wizard *wizard,
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const char *object_type, int reloaded);
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/*! \brief Callback after a wizard is loaded/reloaded for any type */
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void (*wizard_loaded)(const char *name, const struct ast_sorcery_wizard *wizard,
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const char *object_type, int reloaded);
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};
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/*! \brief Interface for a sorcery wizard */
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struct ast_sorcery_wizard {
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/*! \brief Name of the wizard */
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const char *name;
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/*! \brief Pointer to the Asterisk module this wizard is implemented by */
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struct ast_module *module;
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/*! \brief Callback for opening a wizard */
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void *(*open)(const char *data);
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/*! \brief Optional callback for loading persistent objects */
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void (*load)(void *data, const struct ast_sorcery *sorcery, const char *type);
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/*! \brief Optional callback for reloading persistent objects */
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void (*reload)(void *data, const struct ast_sorcery *sorcery, const char *type);
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/*! \brief Callback for creating an object */
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int (*create)(const struct ast_sorcery *sorcery, void *data, void *object);
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/*! \brief Callback for retrieving an object using an id */
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void *(*retrieve_id)(const struct ast_sorcery *sorcery, void *data, const char *type, const char *id);
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/*! \brief Callback for retrieving multiple objects using a regex on their id */
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void (*retrieve_regex)(const struct ast_sorcery *sorcery, void *data, const char *type, struct ao2_container *objects, const char *regex);
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/*! \brief Optional callback for retrieving multiple objects by matching their id with a prefix */
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void (*retrieve_prefix)(const struct ast_sorcery *sorcery,
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void *data,
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const char *type,
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struct ao2_container *objects,
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const char *prefix,
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const size_t prefix_len);
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/*! \brief Optional callback for retrieving an object using fields */
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void *(*retrieve_fields)(const struct ast_sorcery *sorcery, void *data, const char *type, const struct ast_variable *fields);
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/*! \brief Optional callback for retrieving multiple objects using some optional field criteria */
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void (*retrieve_multiple)(const struct ast_sorcery *sorcery, void *data, const char *type, struct ao2_container *objects, const struct ast_variable *fields);
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/*! \brief Callback for updating an object */
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int (*update)(const struct ast_sorcery *sorcery, void *data, void *object);
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/*! \brief Callback for deleting an object */
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int (*delete)(const struct ast_sorcery *sorcery, void *data, void *object);
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/*! \brief Callback for closing a wizard */
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void (*close)(void *data);
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/*! \brief Callback for whether or not the wizard believes the object is stale */
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int (*is_stale)(const struct ast_sorcery *sorcery, void *data, void *object);
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/*! \brief Optional callback for forcing a reload to occur, even if wizard has determined no changes */
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void (*force_reload)(void *data, const struct ast_sorcery *sorcery, const char *type);
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};
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/*! \brief Interface for a sorcery object type observer */
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struct ast_sorcery_observer {
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/*! \brief Callback for when an object is created */
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void (*created)(const void *object);
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/*! \brief Callback for when an object is updated */
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void (*updated)(const void *object);
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/*! \brief Callback for when an object is deleted */
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void (*deleted)(const void *object);
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/*! \brief Callback for when an object type is loaded/reloaded */
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void (*loaded)(const char *object_type);
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};
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/*! \brief Opaque structure for internal sorcery object */
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struct ast_sorcery_object;
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/*! \brief Structure which contains details about a sorcery object */
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struct ast_sorcery_object_details {
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/*! \brief Pointer to internal sorcery object information */
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struct ast_sorcery_object *object;
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};
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/*! \brief Macro which must be used at the beginning of each sorcery capable object */
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#define SORCERY_OBJECT(details) \
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struct { \
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struct ast_sorcery_object_details details; \
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} \
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/*!
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* \brief Initialize the sorcery API
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*
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* \retval 0 success
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* \retval -1 failure
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*/
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int ast_sorcery_init(void);
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/*!
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* \brief Register a sorcery wizard
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*
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* \param interface Pointer to a wizard interface
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* \param module Pointer to the module implementing the interface
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*
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* \retval 0 success
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* \retval -1 failure
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*/
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int __ast_sorcery_wizard_register(const struct ast_sorcery_wizard *interface, struct ast_module *module);
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/*!
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* \brief See \ref __ast_sorcery_wizard_register()
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*/
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#define ast_sorcery_wizard_register(interface) __ast_sorcery_wizard_register(interface, AST_MODULE_SELF)
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/*!
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* \brief Unregister a sorcery wizard
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*
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* \param interface Pointer to the wizard interface
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*
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* \retval 0 success
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* \retval -1 failure
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*/
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int ast_sorcery_wizard_unregister(const struct ast_sorcery_wizard *interface);
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/*!
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* \brief Open a new sorcery structure
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*
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* \param module The module name (AST_MODULE)
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*
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* When called, this will automatically also call __ast_sorcery_apply_config()
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* with the module name as the configuration section.
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*
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* \retval non-NULL success
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* \retval NULL if allocation failed
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*/
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#define ast_sorcery_open() __ast_sorcery_open(AST_MODULE, __FILE__, __LINE__, __PRETTY_FUNCTION__)
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struct ast_sorcery *__ast_sorcery_open(const char *module, const char *file, int line, const char *func);
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/*!
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* \brief Retrieves an existing sorcery instance by module name
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*
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* \param module_name The module name
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*
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* \retval non-NULL success
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* \retval NULL if no instance was found
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*
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* \note The returned instance has its reference count incremented. The caller
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* must decrement the count when they're finished with it.
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*
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*/
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struct ast_sorcery *ast_sorcery_retrieve_by_module_name(const char *module_name);
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enum ast_sorcery_apply_result {
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/*! Sorcery wizard failed to apply. */
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AST_SORCERY_APPLY_FAIL = -1,
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/*! Sorcery wizard applied successfully. */
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AST_SORCERY_APPLY_SUCCESS = 0,
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/*! Sorcery wizard has already been applied to the object type. */
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AST_SORCERY_APPLY_DUPLICATE = 1,
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/*! Default sorcery wizard is unnecessary since a wizard has already been applied to the object type. */
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AST_SORCERY_APPLY_DEFAULT_UNNECESSARY = 2,
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/*! No sorcery.conf configuration file was found to apply. */
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AST_SORCERY_APPLY_NO_CONFIGURATION = 3,
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};
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/*!
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* \brief Apply configured wizard mappings
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*
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* \param sorcery Pointer to a sorcery structure
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* \param name Name of the category to use within the configuration file, normally the module name
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* \param module The module name (AST_MODULE)
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*
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* This function is called automatically by __ast_sorcery_open() using the module name as the
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* configuration category. The only reason you should call this function is if your module
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* wishes to apply configuration from additional sections of sorcery.conf.
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*
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* If a configuration section attempts to apply the same sorcery wizard to an object type
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* more than once, the wizard will only be applied one time.
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*
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* \return What happened when attempting to apply the config.
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*/
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enum ast_sorcery_apply_result __ast_sorcery_apply_config(struct ast_sorcery *sorcery,
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const char *name, const char *module);
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#define ast_sorcery_apply_config(sorcery, name) \
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__ast_sorcery_apply_config((sorcery), (name), AST_MODULE)
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/*!
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* \brief Apply default object wizard mappings
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*
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* \param sorcery Pointer to a sorcery structure
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* \param type Type of object to apply to
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* \param module The name of the module, typically AST_MODULE
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* \param name Name of the wizard to use
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* \param data Data to be passed to wizard
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*
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* \return What occurred when applying the default
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*
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* \note This should be called *after* applying configuration sourced mappings
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*
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* \note Only a single default can exist per object type
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*/
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enum ast_sorcery_apply_result __ast_sorcery_apply_default(struct ast_sorcery *sorcery,
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const char *type, const char *module, const char *name, const char *data);
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#define ast_sorcery_apply_default(sorcery, type, name, data) \
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__ast_sorcery_apply_default((sorcery), (type), AST_MODULE, (name), (data))
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/*!
|
|
* \brief Apply additional object wizard mappings
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param type Type of object to apply to
|
|
* \param module The name of the module, typically AST_MODULE
|
|
* \param name Name of the wizard to use
|
|
* \param data Data to be passed to wizard
|
|
* \param caching Wizard should cache
|
|
*
|
|
* \return What occurred when applying the mapping
|
|
*
|
|
* \note This should be called *after* applying default mappings
|
|
*/
|
|
enum ast_sorcery_apply_result __ast_sorcery_apply_wizard_mapping(struct ast_sorcery *sorcery,
|
|
const char *type, const char *module, const char *name, const char *data, unsigned int caching);
|
|
|
|
/*!
|
|
* \brief Apply additional object wizard mappings
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param type Type of object to apply to
|
|
* \param name Name of the wizard to use
|
|
* \param data Data to be passed to wizard
|
|
* \param caching Wizard should cache
|
|
*
|
|
* \return What occurred when applying the mapping
|
|
*
|
|
* \note This should be called *after* applying default mappings
|
|
*/
|
|
#define ast_sorcery_apply_wizard_mapping(sorcery, type, name, data, caching) \
|
|
__ast_sorcery_apply_wizard_mapping((sorcery), (type), AST_MODULE, (name), (data), (caching));
|
|
|
|
|
|
/*!
|
|
* \brief Pre-defined locations to insert at
|
|
*/
|
|
enum ast_sorcery_wizard_position {
|
|
AST_SORCERY_WIZARD_POSITION_LAST = -1,
|
|
AST_SORCERY_WIZARD_POSITION_FIRST = 0,
|
|
};
|
|
|
|
/*!
|
|
* \brief Insert an additional object wizard mapping at a specific position
|
|
* in the wizard list
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param type Type of object to apply to
|
|
* \param module The name of the module, typically AST_MODULE
|
|
* \param name Name of the wizard to use
|
|
* \param data Data to be passed to wizard
|
|
* \param caching Wizard should cache
|
|
* \param position An index to insert to or one of ast_sorcery_wizard_position
|
|
*
|
|
* \return What occurred when applying the mapping
|
|
*
|
|
* \note This should be called *after* applying default mappings
|
|
* \note Wizards can be retrieved by using ast_sorcery_get_wizard_mapping_count
|
|
* and iterating over them using ast_sorcery_get_wizard_mapping.
|
|
*
|
|
* \since 13.4.0
|
|
*/
|
|
enum ast_sorcery_apply_result __ast_sorcery_insert_wizard_mapping(struct ast_sorcery *sorcery,
|
|
const char *type, const char *module, const char *name, const char *data,
|
|
unsigned int caching, int position);
|
|
|
|
/*!
|
|
* \brief Insert an additional object wizard mapping at a specific position
|
|
* in the wizard list
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param type Type of object to apply to
|
|
* \param name Name of the wizard to use
|
|
* \param data Data to be passed to wizard
|
|
* \param caching Wizard should cache
|
|
* \param position One of ast_sorcery_wizard_position
|
|
*
|
|
* \return What occurred when applying the mapping
|
|
*
|
|
* \note This should be called *after* applying default mappings
|
|
* \since 13.4.0
|
|
*/
|
|
#define ast_sorcery_insert_wizard_mapping(sorcery, type, name, data, caching, position) \
|
|
__ast_sorcery_insert_wizard_mapping((sorcery), (type), AST_MODULE, (name), (data), \
|
|
(caching), (position))
|
|
|
|
/*!
|
|
* \brief Wizard Apply Flags
|
|
*
|
|
* These flags apply only to a wizard/object-type combination.
|
|
* The same wizard may be applied to a different object-type with
|
|
* different flags and behavior. If ALLOW_DUPLICATE is set
|
|
* the wizard could even be applied to the same object-type
|
|
* with different flags.
|
|
*/
|
|
enum ast_sorcery_wizard_apply_flags {
|
|
/*! Apply no special behavior */
|
|
AST_SORCERY_WIZARD_APPLY_NONE = (0 << 0),
|
|
/*! This wizard will cache this object type's entries */
|
|
AST_SORCERY_WIZARD_APPLY_CACHING = (1 << 0),
|
|
/*! This wizard won't allow Create, Update or Delete operations on this object type */
|
|
AST_SORCERY_WIZARD_APPLY_READONLY = (1 << 1),
|
|
/*! This wizard will allow other instances of itself on the same object type */
|
|
AST_SORCERY_WIZARD_APPLY_ALLOW_DUPLICATE = (1 << 2)
|
|
};
|
|
|
|
/*!
|
|
* \brief Insert an additional object wizard mapping at a specific position
|
|
* in the wizard list returning wizard information
|
|
* \since 13.26.0
|
|
* \since 16.3.0
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param object_type_name Name of the object type to apply to
|
|
* \param module The name of the module, typically AST_MODULE
|
|
* \param wizard_type_name Name of the wizard type to use
|
|
* \param wizard_args Opaque string to be passed to the wizard
|
|
* May be NULL but see note below
|
|
* \param flags One or more of enum ast_sorcery_wizard_apply_flags
|
|
* \param position An index to insert to or one of ast_sorcery_wizard_position
|
|
* \param[out] wizard A variable to receive a pointer to the ast_sorcery_wizard structure.
|
|
* May be NULL if not needed.
|
|
* \param[out] wizard_data A variable to receive a pointer to the wizard's internal data.
|
|
* May be NULL if not needed.
|
|
*
|
|
* \return What occurred when applying the mapping
|
|
*
|
|
* \note This should be called *after* applying default mappings
|
|
*
|
|
* \note Although \p wizard_args is an optional parameter it is highly
|
|
* recommended to supply one. If you use the AST_SORCERY_WIZARD_APPLY_ALLOW_DUPLICATE
|
|
* flag, and you intend to ever remove a wizard mapping, you'll need \p wizard_args
|
|
* to remove specific instances of a wizard type.
|
|
*/
|
|
enum ast_sorcery_apply_result __ast_sorcery_object_type_insert_wizard(struct ast_sorcery *sorcery,
|
|
const char *object_type_name, const char *module, const char *wizard_type_name,
|
|
const char *wizard_args, enum ast_sorcery_wizard_apply_flags flags, int position,
|
|
struct ast_sorcery_wizard **wizard, void **wizard_data);
|
|
|
|
/*!
|
|
* \brief Insert an additional object wizard mapping at a specific position
|
|
* in the wizard list returning wizard information
|
|
* \since 13.26.0
|
|
* \since 16.3.0
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param object_type_name Name of the object type to apply to
|
|
* \param wizard_type_name Name of the wizard type to use
|
|
* \param wizard_args Opaque string to be passed to the wizard
|
|
* May be NULL but see note below
|
|
* \param flags One or more of enum ast_sorcery_wizard_apply_flags
|
|
* \param position An index to insert to or one of ast_sorcery_wizard_position
|
|
* \param[out] wizard A variable to receive a pointer to the ast_sorcery_wizard structure.
|
|
* May be NULL if not needed.
|
|
* \param[out] wizard_data A variable to receive a pointer to the wizard's internal data.
|
|
* May be NULL if not needed.
|
|
*
|
|
* \return What occurred when applying the mapping
|
|
*
|
|
* \note This should be called *after* applying default mappings
|
|
*
|
|
* \note Although \p wizard_args is an optional parameter it is highly
|
|
* recommended to supply one. If you use the AST_SORCERY_WIZARD_APPLY_ALLOW_DUPLICATE
|
|
* flag, and you intend to ever remove a wizard mapping, you'll need \p wizard_args
|
|
* to remove specific instances.
|
|
*/
|
|
#define ast_sorcery_object_type_insert_wizard(sorcery, \
|
|
object_type_name, wizard_type_name, wizard_args, flags, \
|
|
position, wizard, wizard_data) \
|
|
__ast_sorcery_object_type_insert_wizard((sorcery), \
|
|
(object_type_name), AST_MODULE, (wizard_type_name), (wizard_args), (flags), \
|
|
position, (wizard), (wizard_data))
|
|
|
|
/*!
|
|
* \brief Apply additional object wizard mappings returning wizard information
|
|
* \since 13.26.0
|
|
* \since 16.3.0
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param object_type_name Name of the object type to apply to
|
|
* \param wizard_type_name Name of the wizard type to use
|
|
* \param wizard_args Opaque string to be passed to the wizard
|
|
* May be NULL but see note below
|
|
* \param flags One or more of enum ast_sorcery_wizard_apply_flags
|
|
* \param[out] wizard A variable to receive a pointer to the ast_sorcery_wizard structure.
|
|
* May be NULL if not needed.
|
|
* \param[out] wizard_data A variable to receive a pointer to the wizard's internal data.
|
|
* May be NULL if not needed.
|
|
*
|
|
* \return What occurred when applying the mapping
|
|
*
|
|
* \note This should be called *after* applying default mappings
|
|
*
|
|
* \note Although \p wizard_args is an optional parameter it is highly
|
|
* recommended to supply one. If you use the AST_SORCERY_WIZARD_APPLY_ALLOW_DUPLICATE
|
|
* flag, and you intend to ever remove a wizard mapping, you'll need \p wizard_args
|
|
* to remove specific instances.
|
|
*/
|
|
#define ast_sorcery_object_type_apply_wizard(sorcery, \
|
|
object_type_name, wizard_type_name, wizard_args, flags, \
|
|
wizard, wizard_data) \
|
|
__ast_sorcery_object_type_insert_wizard((sorcery), \
|
|
(object_type_name), AST_MODULE, (wizard_type_name), (wizard_args), (flags), \
|
|
AST_SORCERY_WIZARD_POSITION_LAST, (wizard), (wizard_data))
|
|
|
|
/*!
|
|
* \brief Remove an object wizard mapping
|
|
* \since 13.26.0
|
|
* \since 16.3.0
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param object_type_name Name of the object type to remove from
|
|
* \param module The name of the module, typically AST_MODULE
|
|
* \param wizard_type_name The name of the of the wizard type to remove
|
|
* \param wizard_args Opaque string originally passed to the wizard
|
|
*
|
|
* \retval 0 success
|
|
* \retval -1 failure
|
|
*
|
|
* \note If there were multiple instances of the same wizard type
|
|
* added to this object type without using \p wizard_args, then
|
|
* only the first wizard matching wizard_type will be removed.
|
|
*/
|
|
int __ast_sorcery_object_type_remove_wizard(struct ast_sorcery *sorcery,
|
|
const char *object_type_name, const char *module, const char *wizard_type_name,
|
|
const char *wizard_args);
|
|
|
|
/*!
|
|
* \brief Remove an object wizard mapping
|
|
* \since 13.26.0
|
|
* \since 16.3.0
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param object_type_name Name of the object type to remove from
|
|
* \param wizard_type_name The name of the of the wizard type to remove
|
|
* \param wizard_args Opaque string originally passed to the wizard
|
|
*
|
|
* \retval 0 success
|
|
* \retval -1 failure
|
|
*
|
|
* \note If there were multiple instances of the same wizard type
|
|
* added to this object type without using \p wizard_args, then
|
|
* only the first wizard matching wizard_type will be removed.
|
|
*/
|
|
#define ast_sorcery_object_type_remove_wizard(sorcery, object_type_name, \
|
|
wizard_type_name, wizard_args) \
|
|
__ast_sorcery_object_type_remove_wizard((sorcery), (object_type_name), \
|
|
AST_MODULE, (wizard_type_name), (wizard_args))
|
|
|
|
/*!
|
|
* \brief Remove an object wizard mapping
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param type Type of object to remove from
|
|
* \param module The name of the module, typically AST_MODULE
|
|
* \param name The name of the wizard to remove
|
|
*
|
|
* \retval 0 success
|
|
* \retval -1 failure
|
|
*
|
|
* \since 13.4.0
|
|
*/
|
|
int __ast_sorcery_remove_wizard_mapping(struct ast_sorcery *sorcery,
|
|
const char *type, const char *module, const char *name);
|
|
|
|
/*!
|
|
* \brief Remove an object wizard mapping
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param type Type of object to remove from
|
|
* \param name The name of the wizard to remove
|
|
*
|
|
* \retval 0 success
|
|
* \retval -1 failure
|
|
*
|
|
* \since 13.4.0
|
|
*/
|
|
#define ast_sorcery_remove_wizard_mapping(sorcery, type, name) \
|
|
__ast_sorcery_remove_wizard_mapping((sorcery), (type), AST_MODULE, (name))
|
|
|
|
/*!
|
|
* \brief Return the number of wizards mapped to an object type
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param type Type of object
|
|
*
|
|
* \return Number of wizards or -1 for error
|
|
* \since 13.4.0
|
|
*/
|
|
int ast_sorcery_get_wizard_mapping_count(struct ast_sorcery *sorcery,
|
|
const char *type);
|
|
|
|
/*!
|
|
* \brief By index, return a wizard mapped to an object type
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param type Type of object
|
|
* \param index Index of the wizard
|
|
* \param wizard A pointer to receive the wizard pointer
|
|
* \param data A pointer to receive the data pointer
|
|
*
|
|
* \retval 0 success
|
|
* \retval -1 failure
|
|
*
|
|
* \warning The wizard will have its reference count bumped so you must
|
|
* call ao2_cleanup when you're done with it.
|
|
*
|
|
* \note The wizard and data returned are valid only for this object type
|
|
* and only while the wizard is applied to the object type.
|
|
*
|
|
* \since 13.4.0
|
|
*/
|
|
int ast_sorcery_get_wizard_mapping(struct ast_sorcery *sorcery,
|
|
const char *type, int index, struct ast_sorcery_wizard **wizard, void **data);
|
|
|
|
/*!
|
|
* \brief Unregister an object type
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param type Type of object
|
|
*
|
|
* \retval 0 success
|
|
* \retval -1 failure
|
|
*/
|
|
int ast_sorcery_object_unregister(struct ast_sorcery *sorcery, const char *type);
|
|
|
|
/*!
|
|
* \brief Register an object type
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param type Type of object
|
|
* \param hidden All objects of this type are internal and should not be manipulated by users
|
|
* \param reloadable All objects of this type are reloadable
|
|
* \param alloc Required object allocation callback
|
|
* \param transform Optional transformation callback
|
|
* \param apply Optional object set apply callback
|
|
*
|
|
* \note In general, this function should not be used directly. One of the various
|
|
* macro'd versions should be used instead.
|
|
*
|
|
* \retval 0 success
|
|
* \retval -1 failure
|
|
*/
|
|
int __ast_sorcery_object_register(struct ast_sorcery *sorcery, const char *type, unsigned int hidden, unsigned int reloadable, aco_type_item_alloc alloc, sorcery_transform_handler transform, sorcery_apply_handler apply);
|
|
|
|
/*!
|
|
* \brief Register an object type
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param type Type of object
|
|
* \param alloc Required object allocation callback
|
|
* \param transform Optional transformation callback
|
|
* \param apply Optional object set apply callback
|
|
*
|
|
* \retval 0 success
|
|
* \retval -1 failure
|
|
*/
|
|
#define ast_sorcery_object_register(sorcery, type, alloc, transform, apply) \
|
|
__ast_sorcery_object_register((sorcery), (type), 0, 1, (alloc), (transform), (apply))
|
|
|
|
/*!
|
|
* \brief Register an object type that is not reloadable
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param type Type of object
|
|
* \param alloc Required object allocation callback
|
|
* \param transform Optional transformation callback
|
|
* \param apply Optional object set apply callback
|
|
*
|
|
* \retval 0 success
|
|
* \retval -1 failure
|
|
*/
|
|
#define ast_sorcery_object_register_no_reload(sorcery, type, alloc, transform, apply) \
|
|
__ast_sorcery_object_register((sorcery), (type), 0, 0, (alloc), (transform), (apply))
|
|
|
|
/*!
|
|
* \brief Register an internal, hidden object type
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param type Type of object
|
|
* \param alloc Required object allocation callback
|
|
* \param transform Optional transformation callback
|
|
* \param apply Optional object set apply callback
|
|
*
|
|
* \retval 0 success
|
|
* \retval -1 failure
|
|
*/
|
|
#define ast_sorcery_internal_object_register(sorcery, type, alloc, transform, apply) \
|
|
__ast_sorcery_object_register((sorcery), (type), 1, 1, (alloc), (transform), (apply))
|
|
|
|
/*!
|
|
* \brief Set the high and low alert water marks of the sorcery object type.
|
|
* \since 13.10.0
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param type Type of object
|
|
* \param low_water New queue low water mark. (-1 to set as 90% of high_water)
|
|
* \param high_water New queue high water mark.
|
|
*
|
|
* \retval 0 on success.
|
|
* \retval -1 on error (water marks not changed).
|
|
*/
|
|
int ast_sorcery_object_set_congestion_levels(struct ast_sorcery *sorcery, const char *type, long low_water, long high_water);
|
|
|
|
/*!
|
|
* \brief Set the copy handler for an object type
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param type Type of object
|
|
* \param copy Copy handler
|
|
*/
|
|
void ast_sorcery_object_set_copy_handler(struct ast_sorcery *sorcery, const char *type, sorcery_copy_handler copy);
|
|
|
|
/*!
|
|
* \brief Set the diff handler for an object type
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param type Type of object
|
|
* \param diff Diff handler
|
|
*/
|
|
void ast_sorcery_object_set_diff_handler(struct ast_sorcery *sorcery, const char *type, sorcery_diff_handler diff);
|
|
|
|
/*!
|
|
* \brief Register a regex for multiple fields within an object
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param type Type of object
|
|
* \param regex A regular expression pattern for the fields
|
|
* \param config_handler A custom handler for translating the string representation of the fields
|
|
* \param sorcery_handler A custom handler for translating the native representation of the fields
|
|
*
|
|
* \retval 0 success
|
|
* \retval -1 failure
|
|
*/
|
|
int ast_sorcery_object_fields_register(struct ast_sorcery *sorcery, const char *type, const char *regex, aco_option_handler config_handler,
|
|
sorcery_fields_handler sorcery_handler);
|
|
|
|
/*!
|
|
* \brief Register a field within an object
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param type Type of object
|
|
* \param name Name of the field
|
|
* \param default_val Default value of the field
|
|
* \param config_handler A custom handler for translating the string representation of the fields
|
|
* \param sorcery_handler A custom handler for translating the native representation of the fields
|
|
* \param multiple_handler A custom handler for translating the native representation of the fields
|
|
* \param opt_type Option type
|
|
* \param flags Option type specific flags
|
|
* \param no_doc Field should not be documented
|
|
* \param alias Interpret and apply field value only
|
|
* \param argc
|
|
*
|
|
* \retval 0 success
|
|
* \retval -1 failure
|
|
*/
|
|
int __ast_sorcery_object_field_register(struct ast_sorcery *sorcery, const char *type,
|
|
const char *name, const char *default_val, enum aco_option_type opt_type,
|
|
aco_option_handler config_handler, sorcery_field_handler sorcery_handler,
|
|
sorcery_fields_handler multiple_handler, unsigned int flags, unsigned int no_doc,
|
|
unsigned int alias, size_t argc, ...);
|
|
|
|
/*!
|
|
* \brief Register a field within an object
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param type Type of object
|
|
* \param name Name of the field
|
|
* \param default_val Default value of the field
|
|
* \param opt_type Option type
|
|
* \param flags Option type specific flags
|
|
*
|
|
* \retval 0 success
|
|
* \retval -1 failure
|
|
*/
|
|
#define ast_sorcery_object_field_register(sorcery, type, name, default_val, opt_type, flags, ...) \
|
|
__ast_sorcery_object_field_register(sorcery, type, name, default_val, opt_type, NULL, NULL, NULL, flags, 0, 0, VA_NARGS(__VA_ARGS__), __VA_ARGS__)
|
|
|
|
/*!
|
|
* \brief Register a field within an object as an alias
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param type Type of object
|
|
* \param name Name of the field
|
|
* \param default_val Default value of the field
|
|
* \param opt_type Option type
|
|
* \param flags Option type specific flags
|
|
*
|
|
* \retval 0 success
|
|
* \retval -1 failure
|
|
*/
|
|
#define ast_sorcery_object_field_register_alias(sorcery, type, name, default_val, opt_type, flags, ...) \
|
|
__ast_sorcery_object_field_register(sorcery, type, name, default_val, opt_type, NULL, NULL, NULL, flags, 1, 1, VA_NARGS(__VA_ARGS__), __VA_ARGS__)
|
|
|
|
/*!
|
|
* \brief Register a field within an object without documentation
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param type Type of object
|
|
* \param name Name of the field
|
|
* \param default_val Default value of the field
|
|
* \param opt_type Option type
|
|
* \param flags Option type specific flags
|
|
*
|
|
* \retval 0 success
|
|
* \retval -1 failure
|
|
*/
|
|
#define ast_sorcery_object_field_register_nodoc(sorcery, type, name, default_val, opt_type, flags, ...) \
|
|
__ast_sorcery_object_field_register(sorcery, type, name, default_val, opt_type, NULL, NULL, NULL, flags, 1, 0, VA_NARGS(__VA_ARGS__), __VA_ARGS__)
|
|
|
|
/*!
|
|
* \brief Register a field within an object with custom handlers
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param type Type of object
|
|
* \param name Name of the field
|
|
* \param default_val Default value of the field
|
|
* \param config_handler Custom configuration handler
|
|
* \param sorcery_handler Custom sorcery handler
|
|
* \param multiple_handler Custom multiple handler
|
|
* \param flags Option type specific flags
|
|
*
|
|
* \retval 0 success
|
|
* \retval -1 failure
|
|
*/
|
|
#define ast_sorcery_object_field_register_custom(sorcery, type, name, default_val, config_handler, sorcery_handler, multiple_handler, flags, ...) \
|
|
__ast_sorcery_object_field_register(sorcery, type, name, default_val, OPT_CUSTOM_T, config_handler, sorcery_handler, multiple_handler, flags, 0, 0, VA_NARGS(__VA_ARGS__), __VA_ARGS__);
|
|
|
|
/*!
|
|
* \brief Register a field within an object with custom handlers as an alias
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param type Type of object
|
|
* \param name Name of the field
|
|
* \param default_val Default value of the field
|
|
* \param config_handler Custom configuration handler
|
|
* \param sorcery_handler Custom sorcery handler
|
|
* \param multiple_handler Custom multiple handler
|
|
* \param flags Option type specific flags
|
|
*
|
|
* \retval 0 success
|
|
* \retval -1 failure
|
|
*/
|
|
#define ast_sorcery_object_field_register_custom_alias(sorcery, type, name, default_val, config_handler, sorcery_handler, multiple_handler, flags, ...) \
|
|
__ast_sorcery_object_field_register(sorcery, type, name, default_val, OPT_CUSTOM_T, config_handler, sorcery_handler, multiple_handler, flags, 1, 1, VA_NARGS(__VA_ARGS__), __VA_ARGS__);
|
|
|
|
/*!
|
|
* \brief Register a field within an object with custom handlers without documentation
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param type Type of object
|
|
* \param name Name of the field
|
|
* \param default_val Default value of the field
|
|
* \param config_handler Custom configuration handler
|
|
* \param sorcery_handler Custom sorcery handler
|
|
* \param multiple_handler Custom multiple handler
|
|
* \param flags Option type specific flags
|
|
*
|
|
* \retval 0 success
|
|
* \retval -1 failure
|
|
*/
|
|
#define ast_sorcery_object_field_register_custom_nodoc(sorcery, type, name, default_val, config_handler, sorcery_handler, multiple_handler, flags, ...) \
|
|
__ast_sorcery_object_field_register(sorcery, type, name, default_val, OPT_CUSTOM_T, config_handler, sorcery_handler, multiple_handler, flags, 1, 0, VA_NARGS(__VA_ARGS__), __VA_ARGS__);
|
|
|
|
/*!
|
|
* \brief Inform any wizards to load persistent objects
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
*/
|
|
void ast_sorcery_load(const struct ast_sorcery *sorcery);
|
|
|
|
/*!
|
|
* \brief Inform any wizards of a specific object type to load persistent objects
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param type Name of the object type to load
|
|
*/
|
|
void ast_sorcery_load_object(const struct ast_sorcery *sorcery, const char *type);
|
|
|
|
/*!
|
|
* \brief Inform any wizards to reload persistent objects
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
*/
|
|
void ast_sorcery_reload(const struct ast_sorcery *sorcery);
|
|
|
|
/*!
|
|
* \brief Inform any wizards to reload persistent objects, even if no changes determined
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
*
|
|
* \since 13.32.0
|
|
* \since 16.9.0
|
|
* \since 17.3.0
|
|
*/
|
|
void ast_sorcery_force_reload(const struct ast_sorcery *sorcery);
|
|
|
|
/*!
|
|
* \brief Inform any wizards of a specific object type to reload persistent objects
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param type Name of the object type to reload
|
|
*/
|
|
void ast_sorcery_reload_object(const struct ast_sorcery *sorcery, const char *type);
|
|
|
|
/*!
|
|
* \brief Inform any wizards of a specific object type to reload persistent objects
|
|
* even if no changes determined
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param type Name of the object type to reload
|
|
*
|
|
* \since 13.32.0
|
|
* \since 16.9.0
|
|
* \since 17.3.0
|
|
*/
|
|
void ast_sorcery_force_reload_object(const struct ast_sorcery *sorcery, const char *type);
|
|
|
|
/*!
|
|
* \brief Increase the reference count of a sorcery structure
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
*/
|
|
void ast_sorcery_ref(struct ast_sorcery *sorcery);
|
|
|
|
|
|
/*!
|
|
* \brief Create an object set (KVP list) for an object
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param object Pointer to a sorcery object
|
|
* \param flags Flags indicating which handler to use and in what order.
|
|
*
|
|
* \retval non-NULL success
|
|
* \retval NULL if error occurred
|
|
*
|
|
* \note The returned ast_variable list must be destroyed using ast_variables_destroy
|
|
*/
|
|
struct ast_variable *ast_sorcery_objectset_create2(const struct ast_sorcery *sorcery,
|
|
const void *object, enum ast_sorcery_field_handler_flags flags);
|
|
|
|
/*!
|
|
* \brief Create an object set (KVP list) for an object
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param object Pointer to a sorcery object
|
|
*
|
|
* \retval non-NULL success
|
|
* \retval NULL if error occurred
|
|
*
|
|
* \note The returned ast_variable list must be destroyed using ast_variables_destroy
|
|
*
|
|
* \note This function attempts to use a field's sorcery_fields_handler first and if that
|
|
* doesn't exist or fails, a field's sorcery_field_handler is used. The difference is
|
|
* that the former may return multiple list entries for the same field and the latter will only
|
|
* return 1. It's up to the field itself to determine what the appropriate content is.
|
|
*/
|
|
#define ast_sorcery_objectset_create(sorcery, object) \
|
|
ast_sorcery_objectset_create2(sorcery, object, AST_HANDLER_PREFER_LIST)
|
|
|
|
/*!
|
|
* \brief Create an object set in JSON format for an object
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param object Pointer to a sorcery object
|
|
*
|
|
* \retval non-NULL success
|
|
* \retval NULL if error occurred
|
|
*
|
|
* \note The returned ast_json object must be unreferenced using ast_json_unref
|
|
*/
|
|
struct ast_json *ast_sorcery_objectset_json_create(const struct ast_sorcery *sorcery, const void *object);
|
|
|
|
/*!
|
|
* \brief Apply an object set (KVP list) to an object
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param object Pointer to a sorcery object
|
|
* \param objectset Object set itself
|
|
*
|
|
* \retval 0 success
|
|
* \retval -1 failure
|
|
*
|
|
* \note This operation is *not* atomic. If this fails it is possible for the object to be left with a partially
|
|
* applied object set.
|
|
*/
|
|
int ast_sorcery_objectset_apply(const struct ast_sorcery *sorcery, void *object, struct ast_variable *objectset);
|
|
|
|
/*!
|
|
* \brief Create a changeset given two object sets
|
|
*
|
|
* \param original Original object set
|
|
* \param modified Modified object set
|
|
* \param changes Pointer to hold any changes between the object sets
|
|
*
|
|
* \retval 0 success
|
|
* \retval -1 failure
|
|
*
|
|
* \note The returned ast_variable list must be destroyed using ast_variables_destroy
|
|
*/
|
|
int ast_sorcery_changeset_create(const struct ast_variable *original, const struct ast_variable *modified, struct ast_variable **changes);
|
|
|
|
/*!
|
|
* \brief Allocate a generic sorcery capable object
|
|
*
|
|
* \param size Size of the object
|
|
* \param destructor Optional destructor function
|
|
*
|
|
* \retval non-NULL success
|
|
* \retval NULL failure
|
|
*
|
|
* \note The returned object does not support AO2 locking.
|
|
*/
|
|
void *ast_sorcery_generic_alloc(size_t size, ao2_destructor_fn destructor);
|
|
|
|
/*!
|
|
* \since 14.1.0
|
|
* \brief Allocate a generic sorcery capable object with locking.
|
|
*
|
|
* \details Sorcery objects may be replaced with new allocations during reloads.
|
|
* If locking is required on sorcery objects it must be shared between the old
|
|
* object and the new one. lockobj can be any AO2 object with locking enabled,
|
|
* but in most cases named locks should be used to provide stable locking.
|
|
*
|
|
* \param size Size of the object
|
|
* \param destructor Optional destructor function
|
|
* \param lockobj An AO2 object that will provide locking.
|
|
*
|
|
* \retval non-NULL success
|
|
* \retval NULL failure
|
|
*/
|
|
void *ast_sorcery_lockable_alloc(size_t size, ao2_destructor_fn destructor, void *lockobj);
|
|
|
|
/*!
|
|
* \brief Allocate an object
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param type Type of object to allocate
|
|
* \param id Optional unique identifier, if none is provided one will be generated
|
|
*
|
|
* \retval non-NULL success
|
|
* \retval NULL failure
|
|
*/
|
|
void *ast_sorcery_alloc(const struct ast_sorcery *sorcery, const char *type, const char *id);
|
|
|
|
/*!
|
|
* \brief Create a copy of an object
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param object Existing object
|
|
*
|
|
* \retval non-NULL success
|
|
* \retval NULL failure
|
|
*/
|
|
void *ast_sorcery_copy(const struct ast_sorcery *sorcery, const void *object);
|
|
|
|
/*!
|
|
* \brief Create a changeset of two objects
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param original Original object
|
|
* \param modified Modified object
|
|
* \param changes Pointer which will be populated with changes if any exist
|
|
*
|
|
* \retval 0 success
|
|
* \retval -1 failure
|
|
*
|
|
* \note The returned ast_variable list must be destroyed using ast_variables_destroy
|
|
*
|
|
* \note While the objects must be of the same type they do not have to be the same object
|
|
*/
|
|
int ast_sorcery_diff(const struct ast_sorcery *sorcery, const void *original, const void *modified, struct ast_variable **changes);
|
|
|
|
/*!
|
|
* \brief Add a global observer to sorcery
|
|
*
|
|
* \param callbacks Implementation of the global observer interface
|
|
*
|
|
* \retval 0 success
|
|
* \retval -1 failure
|
|
*
|
|
* \note You must be ready to accept observer invocations before this function is called
|
|
*/
|
|
int ast_sorcery_global_observer_add(const struct ast_sorcery_global_observer *callbacks);
|
|
|
|
/*!
|
|
* \brief Remove a global observer from sorcery.
|
|
*
|
|
* A global observer is notified...
|
|
* After a new wizard is registered.
|
|
* After a new sorcery instance is opened.
|
|
* Before an instance is destroyed.
|
|
* Before a wizard is unregistered.
|
|
*
|
|
* \param callbacks Implementation of the global observer interface
|
|
*/
|
|
void ast_sorcery_global_observer_remove(const struct ast_sorcery_global_observer *callbacks);
|
|
|
|
/*!
|
|
* \brief Add an observer to a sorcery instance
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param callbacks Implementation of the instance observer interface
|
|
*
|
|
* An instance observer is notified...
|
|
* Before an instance is loaded or reloaded.
|
|
* After an instance is loaded or reloaded.
|
|
* After a wizard is mapped to an object type.
|
|
* After an object type is registered.
|
|
* Before an object type is loaded or reloaded.
|
|
* After an object type is loaded or reloaded.
|
|
*
|
|
* \retval 0 success
|
|
* \retval -1 failure
|
|
*
|
|
* \note You must be ready to accept observer invocations before this function is called
|
|
*/
|
|
int ast_sorcery_instance_observer_add(struct ast_sorcery *sorcery,
|
|
const struct ast_sorcery_instance_observer *callbacks);
|
|
|
|
/*!
|
|
* \brief Remove an observer from a sorcery instance
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param callbacks Implementation of the instance observer interface
|
|
*/
|
|
void ast_sorcery_instance_observer_remove(struct ast_sorcery *sorcery,
|
|
const struct ast_sorcery_instance_observer *callbacks);
|
|
|
|
/*!
|
|
* \brief Add an observer to a sorcery wizard
|
|
*
|
|
* \param wizard Pointer to a previously registered wizard structure
|
|
* \param callbacks Implementation of the wizard observer interface
|
|
*
|
|
* A wizard observer is notified...
|
|
* Before a wizard is loaded or reloaded.
|
|
* After a wizard is loaded or reloaded.
|
|
*
|
|
* \retval 0 success
|
|
* \retval -1 failure
|
|
*
|
|
* \note You must be ready to accept observer invocations before this function is called
|
|
*/
|
|
int ast_sorcery_wizard_observer_add(struct ast_sorcery_wizard *wizard,
|
|
const struct ast_sorcery_wizard_observer *callbacks);
|
|
|
|
/*!
|
|
* \brief Remove an observer from a sorcery wizard.
|
|
*
|
|
* \param interface Pointer to a sorcery structure
|
|
* \param callbacks Implementation of the wizard observer interface
|
|
*/
|
|
void ast_sorcery_wizard_observer_remove(struct ast_sorcery_wizard *interface,
|
|
const struct ast_sorcery_wizard_observer *callbacks);
|
|
|
|
/*!
|
|
* \brief Add an observer to a specific object type
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param type Type of object that should be observed
|
|
* \param callbacks Implementation of the observer interface
|
|
*
|
|
* \retval 0 success
|
|
* \retval -1 failure
|
|
*
|
|
* \note You must be ready to accept observer invocations before this function is called
|
|
*/
|
|
int ast_sorcery_observer_add(const struct ast_sorcery *sorcery, const char *type, const struct ast_sorcery_observer *callbacks);
|
|
|
|
/*!
|
|
* \brief Remove an observer from a specific object type
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param type Type of object that should no longer be observed
|
|
* \param callbacks Implementation of the observer interface
|
|
*/
|
|
void ast_sorcery_observer_remove(const struct ast_sorcery *sorcery, const char *type, const struct ast_sorcery_observer *callbacks);
|
|
|
|
/*!
|
|
* \brief Create and potentially persist an object using an available wizard
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param object Pointer to a sorcery object
|
|
*
|
|
* \retval 0 success
|
|
* \retval -1 failure
|
|
*/
|
|
int ast_sorcery_create(const struct ast_sorcery *sorcery, void *object);
|
|
|
|
/*!
|
|
* \brief Retrieve an object using its unique identifier
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param type Type of object to retrieve
|
|
* \param id Unique object identifier
|
|
*
|
|
* \retval non-NULL if found
|
|
* \retval NULL if not found
|
|
*/
|
|
void *ast_sorcery_retrieve_by_id(const struct ast_sorcery *sorcery, const char *type, const char *id);
|
|
|
|
/*!
|
|
* \brief Retrieve an object or multiple objects using specific fields
|
|
* \since 13.9.0
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param type Type of object to retrieve
|
|
* \param flags Flags to control behavior
|
|
* \param fields Optional object fields and values to match against
|
|
*
|
|
* \retval non-NULL if found
|
|
* \retval NULL if not found
|
|
*
|
|
* \note If the AST_RETRIEVE_FLAG_MULTIPLE flag is specified the returned value will be an
|
|
* ao2_container that must be unreferenced after use.
|
|
*
|
|
* \note If the AST_RETRIEVE_FLAG_ALL flag is used you may omit fields to retrieve all objects
|
|
* of the given type.
|
|
*
|
|
* \note The fields parameter can contain realtime-style expressions in variable->name.
|
|
* All operators defined for ast_strings_match can be used except for regex as
|
|
* there's no common support for regex in the realtime backends at this time.
|
|
* If multiple variables are in the fields list, all must match for an object to
|
|
* be returned. See ast_strings_match for more information.
|
|
*
|
|
* Example:
|
|
*
|
|
* The following code can be significantly faster when a realtime backend is in use
|
|
* because the expression "qualify_frequency > 0" is passed to the database to limit
|
|
* the number of rows returned.
|
|
*
|
|
* struct ast_variable *var = ast_variable_new("qualify_frequency >", "0", "");
|
|
* struct ao2_container *aors;
|
|
*
|
|
* if (!var) {
|
|
* return;
|
|
* }
|
|
*
|
|
* aors = ast_sorcery_retrieve_by_fields(ast_sip_get_sorcery(),
|
|
* "aor", AST_RETRIEVE_FLAG_MULTIPLE, var);
|
|
*
|
|
*/
|
|
void *ast_sorcery_retrieve_by_fields(const struct ast_sorcery *sorcery, const char *type, unsigned int flags, struct ast_variable *fields);
|
|
|
|
/*!
|
|
* \brief Retrieve multiple objects using a regular expression on their id
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
* \param type Type of object to retrieve
|
|
* \param regex Regular expression
|
|
*
|
|
* \retval non-NULL if error occurs
|
|
* \retval NULL success
|
|
*
|
|
* \note The provided regex is treated as extended case sensitive.
|
|
*/
|
|
struct ao2_container *ast_sorcery_retrieve_by_regex(const struct ast_sorcery *sorcery, const char *type, const char *regex);
|
|
|
|
/*!
|
|
* \brief Retrieve multiple objects whose id begins with the specified prefix
|
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* \since 13.19.0
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|
*
|
|
* \param sorcery Pointer to a sorcery structure
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* \param type Type of object to retrieve
|
|
* \param prefix Object id prefix
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|
* \param prefix_len The length of prefix in bytes
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|
*
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|
* \retval non-NULL if error occurs
|
|
* \retval NULL success
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|
*
|
|
* \note The prefix is matched in a case sensitive manner.
|
|
*/
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|
struct ao2_container *ast_sorcery_retrieve_by_prefix(const struct ast_sorcery *sorcery, const char *type, const char *prefix, const size_t prefix_len);
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|
|
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/*!
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|
* \brief Update an object
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|
*
|
|
* \param sorcery Pointer to a sorcery structure
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* \param object Pointer to a sorcery object
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|
*
|
|
* \retval 0 success
|
|
* \retval -1 failure
|
|
*/
|
|
int ast_sorcery_update(const struct ast_sorcery *sorcery, void *object);
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|
|
|
/*!
|
|
* \brief Delete an object
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
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|
* \param object Pointer to a sorcery object
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|
*
|
|
* \retval 0 success
|
|
* \retval -1 failure
|
|
*/
|
|
int ast_sorcery_delete(const struct ast_sorcery *sorcery, void *object);
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|
|
|
/*!
|
|
* \brief Determine if a sorcery object is stale with respect to its backing datastore
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|
* \since 14.0.0
|
|
*
|
|
* This function will query the wizard(s) backing the particular sorcery object to
|
|
* determine if the in-memory object is now stale. No action is taken to update
|
|
* the object. Callers of this function may use one of the ast_sorcery_retrieve
|
|
* functions to obtain a new instance of the object if desired.
|
|
*
|
|
* \retval 0 the object is not stale
|
|
* \retval 1 the object is stale
|
|
*/
|
|
int ast_sorcery_is_stale(const struct ast_sorcery *sorcery, void *object);
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|
|
|
/*!
|
|
* \brief Decrease the reference count of a sorcery structure
|
|
*
|
|
* \param sorcery Pointer to a sorcery structure
|
|
*
|
|
* \note Prior to 16.0.0 this was a function which had to be used.
|
|
* Now you can use any variant of ao2_cleanup or ao2_ref to
|
|
* release a reference.
|
|
*/
|
|
#define ast_sorcery_unref(sorcery) \
|
|
ao2_cleanup(sorcery)
|
|
|
|
/*!
|
|
* \brief Get the unique identifier of a sorcery object
|
|
*
|
|
* \param object Pointer to a sorcery object
|
|
*
|
|
* \return unique identifier
|
|
*/
|
|
const char *ast_sorcery_object_get_id(const void *object);
|
|
|
|
/*!
|
|
* \since 14.0.0
|
|
* \brief Get when the sorcery object was created
|
|
*
|
|
* \param object Pointer to a sorcery object
|
|
*
|
|
* \return The time when the object was created
|
|
*/
|
|
const struct timeval ast_sorcery_object_get_created(const void *object);
|
|
|
|
/*!
|
|
* \brief Get the type of a sorcery object
|
|
*
|
|
* \param object Pointer to a sorcery object
|
|
*
|
|
* \return type of object
|
|
*/
|
|
const char *ast_sorcery_object_get_type(const void *object);
|
|
|
|
/*!
|
|
* \brief Get an extended field value from a sorcery object
|
|
*
|
|
* \param object Pointer to a sorcery object
|
|
* \param name Name of the extended field value
|
|
*
|
|
* \retval non-NULL if found
|
|
* \retval NULL if not found
|
|
*
|
|
* \note The returned string does NOT need to be freed and is guaranteed to remain valid for the lifetime of the object
|
|
*/
|
|
const char *ast_sorcery_object_get_extended(const void *object, const char *name);
|
|
|
|
/*!
|
|
* \brief Set an extended field value on a sorcery object
|
|
*
|
|
* \param object Pointer to a sorcery object
|
|
* \param name Name of the extended field
|
|
* \param value Value of the extended field
|
|
*
|
|
* \retval 0 success
|
|
* \retval -1 failure
|
|
*
|
|
* \note The field name MUST begin with '@' to indicate it is an extended field.
|
|
* \note If the extended field already exists it will be overwritten with the new value.
|
|
*/
|
|
int ast_sorcery_object_set_extended(const void *object, const char *name, const char *value);
|
|
|
|
/*!
|
|
* \brief Get whether an object contains dynamic contents or not
|
|
*
|
|
* \param object Pointer to a sorcery object
|
|
*
|
|
* \since 19
|
|
* \since 18.3.0
|
|
* \since 16.17.0
|
|
*/
|
|
unsigned int ast_sorcery_object_has_dynamic_contents(const void *object);
|
|
|
|
/*!
|
|
* \brief Set the dynamic contents flag on a sorcery object
|
|
*
|
|
* \param object Pointer to a sorcery object
|
|
*
|
|
* \since 19
|
|
* \since 18.3.0
|
|
* \since 16.17.0
|
|
*/
|
|
void ast_sorcery_object_set_has_dynamic_contents(const void *object);
|
|
|
|
/*!
|
|
* \brief ao2 object comparator based on sorcery id.
|
|
*/
|
|
int ast_sorcery_object_id_compare(void *obj, void *arg, int flags);
|
|
|
|
/*!
|
|
* \brief ao2 object sorter based on sorcery id.
|
|
*/
|
|
int ast_sorcery_object_id_sort(const void *obj, const void *arg, int flags);
|
|
|
|
/*!
|
|
* \brief ao2 object hasher based on sorcery id.
|
|
*/
|
|
int ast_sorcery_object_id_hash(const void *obj, int flags);
|
|
|
|
/*!
|
|
* \brief Get the sorcery object type given a type name.
|
|
*
|
|
* \param sorcery The sorcery from which to retrieve the object type
|
|
* \param type The type name
|
|
*/
|
|
struct ast_sorcery_object_type *ast_sorcery_get_object_type(const struct ast_sorcery *sorcery,
|
|
const char *type);
|
|
|
|
/*!
|
|
* \brief Determine if a particular object field has been registered with sorcery
|
|
*
|
|
* \param object_type The object type to check against
|
|
* \param field_name The name of the field to check
|
|
*
|
|
* \retval 0 The field is not registered for this sorcery type
|
|
* \retval 1 The field is registered for this sorcery type
|
|
*/
|
|
int ast_sorcery_is_object_field_registered(const struct ast_sorcery_object_type *object_type,
|
|
const char *field_name);
|
|
|
|
/*!
|
|
* \brief Get the module that has opened the provided sorcery instance.
|
|
*
|
|
* \param sorcery The sorcery instance
|
|
*
|
|
* \return The module
|
|
*/
|
|
const char *ast_sorcery_get_module(const struct ast_sorcery *sorcery);
|
|
|
|
#if defined(__cplusplus) || defined(c_plusplus)
|
|
}
|
|
#endif
|
|
|
|
#endif /* _ASTERISK_SORCERY_H */
|