pbx_private.h File Reference

Private include file for pbx. More...

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Macros
#define	VAR_BUF_SIZE   4096

Functions
const char *	app_name (struct ast_app *app)
	AST_VECTOR (ast_ignorepats, struct ast_ignorepat *)
	AST_VECTOR (ast_includes, struct ast_include *)
	AST_VECTOR (ast_sws, struct ast_sw *)
struct ast_ignorepat *	ignorepat_alloc (const char *value, const char *registrar)
void	ignorepat_free (struct ast_ignorepat *ip)
struct ast_include *	include_alloc (const char *value, const char *registrar)
void	include_free (struct ast_include *inc)
const char *	include_rname (const struct ast_include *inc)
int	include_valid (const struct ast_include *inc)
int	indicate_busy (struct ast_channel *, const char *)
int	indicate_congestion (struct ast_channel *, const char *)
struct ast_switch *	pbx_findswitch (const char *sw)
int	raise_exception (struct ast_channel *chan, const char *reason, int priority)
void	set_ext_pri (struct ast_channel *c, const char *exten, int pri)
struct ast_sw *	sw_alloc (const char *value, const char *data, int eval, const char *registrar)
void	sw_free (struct ast_sw *sw)
void	unreference_cached_app (struct ast_app *app)
void	wait_for_hangup (struct ast_channel *chan, const void *data)

Detailed Description

Private include file for pbx.

Definition in file pbx_private.h.

Macro Definition Documentation

VAR_BUF_SIZE

#define VAR_BUF_SIZE   4096

Definition at line 68 of file pbx_private.h.

Referenced by ast_add_extension2_lockopt(), ast_func_read2(), pbx_builtin_importvar(), and pbx_substitute_variables_helper_full().

Function Documentation

app_name()

const char* app_name

(

struct ast_app *

app

)

pbx_app.c functions needed by pbx.c

Definition at line 463 of file pbx_app.c.

Referenced by _ast_bridge_channel_unlock(), app_exec(), app_subscribe(), app_unsubscribe(), ast_ari_callback(), AST_TEST_DEFINE(), bridge_stasis_run_cb(), lua_pbx_exec(), lua_pbx_findapp(), pbx_extension_helper(), and stasis_app_set_global_debug().

{
   return app->name;
}

AST_VECTOR() [1/3]

AST_VECTOR	(	ast_ignorepats	,
		struct ast_ignorepat *
	)

AST_VECTOR() [2/3]

AST_VECTOR	(	ast_includes	,
		struct ast_include *
	)

AST_VECTOR() [3/3]

AST_VECTOR	(	ast_sws	,
		struct ast_sw *
	)

ignorepat_alloc()

struct ast_ignorepat* ignorepat_alloc	(	const char *	value,
		const char *	registrar
	)

Definition at line 52 of file pbx_ignorepat.c.

References ast_calloc, NULL, ast_ignorepat::pattern, and ast_ignorepat::registrar.

Referenced by ast_context_add_ignorepat2().

{
   struct ast_ignorepat *ignorepat;
   int length = strlen(value) + 1;
   char *pattern;

   /* allocate new include structure ... */
   ignorepat = ast_calloc(1, sizeof(*ignorepat) + length);
   if (!ignorepat) {
      return NULL;
   }

   /* The cast to char * is because we need to write the initial value.
    * The field is not supposed to be modified otherwise.  Also, gcc 4.2
    * sees the cast as dereferencing a type-punned pointer and warns about
    * it.  This is the workaround (we're telling gcc, yes, that's really
    * what we wanted to do).
    */
   pattern = (char *) ignorepat->pattern;
   strcpy(pattern, value);
   ignorepat->registrar = registrar;

   return ignorepat;
}

ignorepat_free()

void ignorepat_free

(

struct ast_ignorepat *

ip

)

Definition at line 77 of file pbx_ignorepat.c.

References ast_free.

Referenced by __ast_context_destroy(), __ast_internal_context_destroy(), ast_context_add_ignorepat2(), and ast_context_remove_ignorepat2().

{
   ast_free(ip);
}

include_alloc()

struct ast_include* include_alloc	(	const char *	value,
		const char *	registrar
	)

Allocate and initialize an ast_include.

Definition at line 74 of file pbx_include.c.

References ast_build_timing(), ast_calloc, c, ast_include::hastime, ast_include::name, NULL, ast_include::registrar, ast_include::rname, ast_include::stuff, and ast_include::timing.

Referenced by ast_context_add_include2().

{
   struct ast_include *new_include;
   char *c;
   int valuebufsz = strlen(value) + 1;
   char *p;

   /* allocate new include structure ... */
   new_include = ast_calloc(1, sizeof(*new_include) + (valuebufsz * 2));
   if (!new_include) {
      return NULL;
   }

   /* Fill in this structure. Use 'p' for assignments, as the fields
    * in the structure are 'const char *'
    */
   p = new_include->stuff;
   new_include->name = p;
   strcpy(p, value);
   p += valuebufsz;
   new_include->rname = p;
   strcpy(p, value);
   /* Strip off timing info, and process if it is there */
   if ((c = strchr(p, ',')) ) {
      *c++ = '\0';
      new_include->hastime = ast_build_timing(&(new_include->timing), c);
   }
   new_include->registrar = registrar;

   return new_include;
}

include_free()

void include_free

(

struct ast_include *

inc

)

Free an ast_include and associated data.

Definition at line 106 of file pbx_include.c.

References ast_destroy_timing(), ast_free, and ast_include::timing.

Referenced by __ast_context_destroy(), __ast_internal_context_destroy(), ast_context_add_include2(), and ast_context_remove_include2().

{
   ast_destroy_timing(&(inc->timing));
   ast_free(inc);
}

include_rname()

const char* include_rname

(

const struct ast_include *

inc

)

Definition at line 55 of file pbx_include.c.

References NULL, and ast_include::rname.

Referenced by ast_context_verify_includes(), and pbx_find_extension().

{
   return inc ? inc->rname : NULL;
}

include_valid()

int include_valid

(

const struct ast_include *

inc

)

Definition at line 65 of file pbx_include.c.

References ast_check_timing(), ast_include::hastime, and ast_include::timing.

Referenced by pbx_find_extension().

{
   if (!inc->hastime) {
      return 1;
   }

   return ast_check_timing(&(inc->timing));
}

pbx_findswitch()

struct ast_switch* pbx_findswitch

(

const char *

sw

)

pbx_switch.c functions needed by pbx.c

Definition at line 40 of file pbx_switch.c.

References AST_RWLIST_RDLOCK, AST_RWLIST_TRAVERSE, AST_RWLIST_UNLOCK, ast_switch::list, and ast_switch::name.

Referenced by ast_check_timing(), and pbx_find_extension().

{
   struct ast_switch *asw;

   AST_RWLIST_RDLOCK(&switches);
   AST_RWLIST_TRAVERSE(&switches, asw, list) {
      if (!strcasecmp(asw->name, sw))
         break;
   }
   AST_RWLIST_UNLOCK(&switches);

   return asw;
}

raise_exception()

int raise_exception	(	struct ast_channel *	chan,
		const char *	reason,
		int	priority
	)

pbx.c functions needed by pbx_builtins.c

Definition at line 2806 of file pbx.c.

References ast_calloc_with_stringfields, ast_channel_context(), ast_channel_datastore_add(), ast_channel_datastore_find(), ast_channel_exten(), ast_channel_priority(), ast_datastore_alloc, ast_datastore_free(), ast_string_field_set, ast_datastore::data, ast_exten::exten, NULL, pbx_exception::priority, and set_ext_pri().

Referenced by __ast_pbx_run(), pbx_builtin_raise_exception(), and pbx_builtin_waitexten().

{
   struct ast_datastore *ds = ast_channel_datastore_find(chan, &exception_store_info, NULL);
   struct pbx_exception *exception = NULL;

   if (!ds) {
      ds = ast_datastore_alloc(&exception_store_info, NULL);
      if (!ds)
         return -1;
      if (!(exception = ast_calloc_with_stringfields(1, struct pbx_exception, 128))) {
         ast_datastore_free(ds);
         return -1;
      }
      ds->data = exception;
      ast_channel_datastore_add(chan, ds);
   } else
      exception = ds->data;

   ast_string_field_set(exception, reason, reason);
   ast_string_field_set(exception, context, ast_channel_context(chan));
   ast_string_field_set(exception, exten, ast_channel_exten(chan));
   exception->priority = ast_channel_priority(chan);
   set_ext_pri(chan, "e", priority);
   return 0;
}

set_ext_pri()

void set_ext_pri	(	struct ast_channel *	c,
		const char *	exten,
		int	pri
	)

helper function to set extension and priority

Definition at line 4268 of file pbx.c.

References ast_channel_exten_set(), ast_channel_lock, ast_channel_priority_set(), and ast_channel_unlock.

Referenced by __ast_pbx_run(), pbx_builtin_waitexten(), and raise_exception().

{
   ast_channel_lock(c);
   ast_channel_exten_set(c, exten);
   ast_channel_priority_set(c, pri);
   ast_channel_unlock(c);
}

sw_alloc()

struct ast_sw* sw_alloc	(	const char *	value,
		const char *	data,
		int	eval,
		const char *	registrar
	)

Definition at line 68 of file pbx_sw.c.

References ast_calloc, ast_sw::data, ast_sw::eval, ast_sw::name, NULL, ast_sw::registrar, and ast_sw::stuff.

Referenced by ast_context_add_switch2().

{
   struct ast_sw *new_sw;
   int length;
   char *p;

   if (!data) {
      data = "";
   }
   length = sizeof(struct ast_sw);
   length += strlen(value) + 1;
   length += strlen(data) + 1;

   /* allocate new sw structure ... */
   if (!(new_sw = ast_calloc(1, length))) {
      return NULL;
   }

   /* ... fill in this structure ... */
   p = new_sw->stuff;
   new_sw->name = p;
   strcpy(p, value);

   p += strlen(value) + 1;
   new_sw->data = p;
   strcpy(p, data);

   new_sw->eval     = eval;
   new_sw->registrar = registrar;

   return new_sw;
}

sw_free()

void sw_free

(

struct ast_sw *

sw

)

Definition at line 101 of file pbx_sw.c.

References ast_free.

Referenced by __ast_context_destroy(), __ast_internal_context_destroy(), ast_context_add_switch2(), and ast_context_remove_switch2().

{
   ast_free(sw);
}

unreference_cached_app()

void unreference_cached_app

(

struct ast_app *

app

)

pbx.c function needed by pbx_app.c

Definition at line 6179 of file pbx.c.

References ast_rdlock_contexts(), ast_unlock_contexts(), ast_walk_context_extensions(), ast_walk_contexts(), ast_walk_extension_priorities(), and NULL.

Referenced by ast_unregister_application().

{
   struct ast_context *context = NULL;
   struct ast_exten *eroot = NULL, *e = NULL;

   ast_rdlock_contexts();
   while ((context = ast_walk_contexts(context))) {
      while ((eroot = ast_walk_context_extensions(context, eroot))) {
         while ((e = ast_walk_extension_priorities(eroot, e))) {
            if (e->cached_app == app)
               e->cached_app = NULL;
         }
      }
   }
   ast_unlock_contexts();

   return;
}

wait_for_hangup()

void wait_for_hangup	(	struct ast_channel *	chan,
		const void *	data
	)

Definition at line 8267 of file pbx.c.

References ast_frfree, ast_read(), ast_safe_sleep(), ast_strlen_zero, and ast_waitfor().

Referenced by indicate_busy(), and indicate_congestion().

{
   int res;
   struct ast_frame *f;
   double waitsec;
   int waittime;

   if (ast_strlen_zero(data) || (sscanf(data, "%30lg", &waitsec) != 1) || (waitsec < 0))
      waitsec = -1;
   if (waitsec > -1) {
      waittime = waitsec * 1000.0;
      ast_safe_sleep(chan, waittime);
   } else do {
      res = ast_waitfor(chan, -1);
      if (res < 0)
         return;
      f = ast_read(chan);
      if (f)
         ast_frfree(f);
   } while(f);
}