Verify includes, and give warnings if invalid (bug #429)

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@1667 65c4cc65-6c06-0410-ace0-fbb531ad65f3

include/asterisk/pbx.h

@@ -376,6 +376,13 @@ int ast_context_remove_include(char *context, char *include, char *registrar);
  */
 int ast_context_remove_include2(struct ast_context *con, char *include, char *registrar);
 
+//! Verifies includes in an ast_contect structure
+/*!
+ * \param con context in which to verify the includes
+ * Returns 0 if no problems found, -1 if there were any missing context
+ */
+int ast_context_verify_includes(struct ast_context *con);
+	  
 //! Add a switch
 /*!
  * \param context context to which to add the switch

pbx.c

@@ -4644,3 +4644,17 @@ struct ast_ignorepat *ast_walk_context_ignorepats(struct ast_context *con,
 	else
 		return ip->next;
 }
+
+int ast_context_verify_includes(struct ast_context *con)
+{
+	struct ast_include *inc;
+	int res = 0;
+
+	for (inc = ast_walk_context_includes(con, NULL); inc; inc = ast_walk_context_includes(con, inc))
+		if (!ast_context_find(inc->rname)) {
+			res = -1;
+			ast_log(LOG_WARNING, "Context '%s' tries includes non-existant context '%s'\n",
+					ast_get_context_name(con), inc->rname);
+		}
+	return res;
+}

pbx/pbx_config.c

@@ -1653,6 +1653,10 @@ static int pbx_load_module(void)
 		ast_destroy(cfg);
 	}
 	ast_merge_contexts_and_delete(&local_contexts,registrar);
+
+	for (con = ast_walk_contexts(NULL); con; con = ast_walk_contexts(con))
+		ast_context_verify_includes(con);
+
 	return 0;
 }