.. _program_listing_file_include_rcl_node_type_cache.h:

Program Listing for File node_type_cache.h
==========================================

|exhale_lsh| :ref:`Return to documentation for file <file_include_rcl_node_type_cache.h>` (``include/rcl/node_type_cache.h``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   // Copyright 2023 Open Source Robotics Foundation, Inc.
   //
   // Licensed under the Apache License, Version 2.0 (the "License");
   // you may not use this file except in compliance with the License.
   // You may obtain a copy of the License at
   //
   //     http://www.apache.org/licenses/LICENSE-2.0
   //
   // Unless required by applicable law or agreed to in writing, software
   // distributed under the License is distributed on an "AS IS" BASIS,
   // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   // See the License for the specific language governing permissions and
   // limitations under the License.
   
   #ifndef RCL__NODE_TYPE_CACHE_H_
   #define RCL__NODE_TYPE_CACHE_H_
   
   #include "rcl/node.h"
   #include "rcl/types.h"
   #include "rcl/visibility_control.h"
   #include "rosidl_runtime_c/type_description/type_description__struct.h"
   #include "rosidl_runtime_c/type_description/type_source__struct.h"
   #include "type_description_interfaces/msg/type_description.h"
   #include "type_description_interfaces/msg/type_source.h"
   
   #ifdef __cplusplus
   extern "C" {
   #endif
   
   typedef struct rcl_type_info_t
   {
     type_description_interfaces__msg__TypeDescription * type_description;
     type_description_interfaces__msg__TypeSource__Sequence * type_sources;
   } rcl_type_info_t;
   
   
   RCL_WARN_UNUSED
   rcl_ret_t rcl_node_type_cache_init(rcl_node_t * node);
   
   
   RCL_WARN_UNUSED
   rcl_ret_t rcl_node_type_cache_fini(rcl_node_t * node);
   
   
   RCL_PUBLIC
   RCL_WARN_UNUSED
   rcl_ret_t rcl_node_type_cache_register_type(
     const rcl_node_t * node, const rosidl_type_hash_t * type_hash,
     const rosidl_runtime_c__type_description__TypeDescription * type_description,
     const rosidl_runtime_c__type_description__TypeSource__Sequence * type_description_sources
   );
   
   
   RCL_PUBLIC
   RCL_WARN_UNUSED
   rcl_ret_t rcl_node_type_cache_unregister_type(
     const rcl_node_t * node, const rosidl_type_hash_t * type_hash);
   
   
   RCL_PUBLIC
   RCL_WARN_UNUSED
   rcl_ret_t rcl_node_type_cache_get_type_info(
     const rcl_node_t * node,
     const rosidl_type_hash_t * type_hash,
     rcl_type_info_t * type_info);
   
   #ifdef __cplusplus
   }
   #endif
   
   #endif  // RCL__NODE_TYPE_CACHE_H_