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pbx: Create pbx_include.c for management of 'struct ast_include'.

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This changes context includes from a linked list to a vector, makes
'struct ast_include' opaque to pbx.c.

Although ast_walk_context_includes is maintained the procedure is no
longer efficient except for the first call (inc==NULL).  This
functionality is replaced by two new functions implemented by vector
macros.
* ast_context_includes_count (AST_VECTOR_SIZE)
* ast_context_includes_get (AST_VECTOR_GET)

As with ast_walk_context_includes callers of these functions are
expected to have locked contexts.  Only a few places in Asterisk walked
the includes, they have been converted to use the new functions.

const have been applied where possible to parameters for ast_include
functions.

Change-Id: Ib5c882e27cf96fb2aec67a39c18b4c71c9c83b60
This commit is contained in:
Corey Farrell
2016-07-14 14:51:42 -04:00
parent 273052f404
commit be36bd7ca5
10 changed files with 279 additions and 147 deletions
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11
main/pbx_private.h
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@@ -31,6 +31,17 @@ void set_ext_pri(struct ast_channel *c, const char *exten, int pri);
/*! pbx.c function needed by pbx_app.c */
void unreference_cached_app(struct ast_app *app);
/*! pbx_includes.c */
struct ast_include;
AST_VECTOR(ast_includes, struct ast_include *);
/*! Allocate and initialize an ast_include. */
struct ast_include *include_alloc(const char *value, const char *registrar);
/*! Free an ast_include and associated data. */
void include_free(struct ast_include *inc);
int include_valid(const struct ast_include *inc);
const char *include_rname(const struct ast_include *inc);
/*! pbx_builtins.c functions needed by pbx.c */
int indicate_congestion(struct ast_channel *, const char *);
int indicate_busy(struct ast_channel *, const char *);