Makes 'dialplan add extension' create the specified context if it does not already exist.

If the user invokes 'dialplan add extension' into a non-existing context, the context will be created
and a message informing the user of the context being created will be issued in cli.

(closes issue #17431)
Reported by: leearcher
Patches:
      context_auto_create.diff uploaded by kobaz (license 834)
Tested by: leearcher, kobaz, jrose


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@312678 65c4cc65-6c06-0410-ace0-fbb531ad65f3

CHANGES

@@ -39,6 +39,8 @@ CLI Changes
    gtalk.conf.
  * The 'logger reload' command now supports an optional argument, specifying an
    alternate configuration file to use.
+ * 'dialplan add extension' command will now automatically create a context if
+   the specified context does not exist with a message indicated it did so.
 
 CDR
 --------------------------

pbx/pbx_config.c

@@ -969,6 +969,16 @@ static char *handle_cli_dialplan_add_extension(struct ast_cli_entry *e, int cmd,
 	if (!exten || !prior || !app || (!app_data && iprior != PRIORITY_HINT))
 		return CLI_SHOWUSAGE;
 
+	if (!ast_context_find(a->argv[5])) {
+		ast_cli(a->fd, "Context '%s' did not exist prior to add extension - the context will be created.\n", a->argv[5]);
+	}
+
+	if (!ast_context_find_or_create(NULL, NULL, a->argv[5], registrar)) {
+		ast_cli(a->fd, "ast_context_find_or_create() failed\n");
+		ast_cli(a->fd, "Failed to add '%s,%s,%s,%s' extension into '%s' context\n", exten, prior, app, app_data, a->argv[5]);
+		return CLI_FAILURE;
+	}
+
 	if (!app_data)
 		app_data="";
 	if (ast_add_extension(a->argv[5], a->argc == 7 ? 1 : 0, exten, iprior, NULL, cidmatch, app,