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main/bucket: Add a callback function for ast_bucket_file objects 

This patch adds a new function to the bucket API for ast_bucket_file
objects, ast_bucket_file_metadata_callback. It will call ao2_callback on
the ast_bucket_file's ao2_container of metadata, calling the provided
ao2_callback_fn callback on each piece of metadata associated with the
file.

This is particularly useful when a bucket backend has added metadata,
and a higher level API wants to be aware of/access said metadata,
without knowing for sure what the key is.

Change-Id: I96f6757717f47b650df91a437f7df16406227466
This commit is contained in:
Matt Jordan 2015-07-11 20:25:19 -05:00
parent 59711b0eee
commit 887945d410
2 changed files with 17 additions and 0 deletions
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11
include/asterisk/bucket.h
View File

@ -194,6 +194,17 @@ int ast_bucket_file_metadata_unset(struct ast_bucket_file *file, const char *nam
*/
struct ast_bucket_metadata *ast_bucket_file_metadata_get(struct ast_bucket_file *file, const char *name);
/*!
* \brief Execute a callback function on the metadata associated with a file
* \since 14.0.0
*
* \param file The bucket file
* \param cb An ao2 callback function that will be called with each \c ast_bucket_metadata
* associated with \c file
* \param arg An optional argument to pass to \c cb
*/
void ast_bucket_file_metadata_callback(struct ast_bucket_file *file, ao2_callback_fn cb, void *arg);
/*!
* \brief Allocate a new bucket
*

6
main/bucket.c
View File

@ -362,6 +362,12 @@ struct ast_bucket_metadata *ast_bucket_file_metadata_get(struct ast_bucket_file
return ao2_find(file->metadata, name, OBJ_KEY);
}
void ast_bucket_file_metadata_callback(struct ast_bucket_file *file, ao2_callback_fn cb, void *arg)
{
ao2_callback(file->metadata, 0, cb, arg);
}
/*! \brief Destructor for buckets */
static void bucket_destroy(void *obj)
{