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Expand datastores to add the notion of inheritance. This will be needed for

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the conversion of IAX2 variables from the current custom method to ast_storage.


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@57691 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Tilghman Lesher
2007-03-03 14:40:18 +00:00
parent 7839f111a0
commit 590cb3a6fa
2 changed files with 28 additions and 2 deletions
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7
include/asterisk/channel.h
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@@ -153,7 +153,9 @@ extern "C" {
#include "asterisk/linkedlists.h"
#include "asterisk/stringfields.h"
#include "asterisk/compiler.h"
#include <limits.h>
#define DATASTORE_INHERIT_FOREVER INT_MAX
#define AST_MAX_FDS 10
/*
@@ -185,6 +187,7 @@ struct ast_generator {
/*! \brief Structure for a data store type */
struct ast_datastore_info {
const char *type; /*!< Type of data store */
void *(*duplicate)(void *data); /*!< Duplicate item data (used for inheritance) */
void (*destroy)(void *data); /*!< Destroy function */
};
@@ -193,6 +196,7 @@ struct ast_datastore {
char *uid; /*!< Unique data store identifier */
void *data; /*!< Contained data */
const struct ast_datastore_info *info; /*!< Data store type information */
unsigned int inheritance; /*!< Number of levels this item will continue to be inherited */
AST_LIST_ENTRY(ast_datastore) entry; /*!< Used for easy linking */
};
@@ -608,6 +612,9 @@ struct ast_datastore *ast_channel_datastore_alloc(const struct ast_datastore_inf
/*! \brief Free a channel datastore structure */
int ast_channel_datastore_free(struct ast_datastore *datastore);
/*! \brief Inherit datastores from a parent to a child. */
int ast_channel_datastore_inherit(struct ast_channel *from, struct ast_channel *to);
/*! \brief Add a datastore to a channel */
int ast_channel_datastore_add(struct ast_channel *chan, struct ast_datastore *datastore);