rcl/rcl_action/include/rcl_action/names.h
2018-11-14 19:33:21 -03:00

220 lines
8 KiB
C

// Copyright 2018 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_ACTION__NAMES_H_
#define RCL_ACTION__NAMES_H_
#ifdef __cplusplus
extern "C"
{
#endif
#include "rcl_action/visibility_control.h"
#include "rcl_action/types.h"
#include "rcl/allocator.h"
#include "rcl/macros.h"
#include "rcl/types.h"
/// Get the goal service name of an action.
/**
* This function returns the goal service name for a given action name
* that must be used by action clients and action servers to successfully
* communicate with each other.
*
* <hr>
* Attribute | Adherence
* ------------------ | -------------
* Allocates Memory | Yes
* Thread-Safe | No
* Uses Atomics | No
* Lock-Free | Yes
*
* \param[in] action_name The name of the action whose goal service name is
* being returned.
* \param[in] allocator A valid allocator to be used.
* \param[out] goal_service_name Either an allocated string with the action
* goal service name, or `NULL` if the function failed to allocate memory
* for it. Must refer to a `NULL` pointer upon call.
* \return `RCL_RET_OK` if the action goal service name was returned, or
* \return `RCL_RET_ACTION_NAME_INVALID` if the action name is not valid
* (i.e. empty), or
* \return `RCL_RET_INVALID_ARGUMENT` if the action name is `NULL`, or
* \return `RCL_RET_INVALID_ARGUMENT` if the allocator is invalid, or
* \return `RCL_RET_INVALID_ARGUMENT` if the goal service name pointer is
* `NULL` or points to a non-`NULL` pointer, or
* \return `RCL_RET_BAD_ALLOC` if allocating memory failed.
*/
RCL_ACTION_PUBLIC
RCL_WARN_UNUSED
rcl_ret_t
rcl_action_get_goal_service_name(
const char * action_name,
rcl_allocator_t allocator,
char ** goal_service_name);
/// Get the cancel service name of an action.
/**
* This function returns the cancel service name for a given action name
* that must be used by action clients and action servers to successfully
* communicate with each other.
*
* <hr>
* Attribute | Adherence
* ------------------ | -------------
* Allocates Memory | Yes
* Thread-Safe | No
* Uses Atomics | No
* Lock-Free | Yes
*
* \param[in] action_name The name of the action whose cancel service name
* is being returned.
* \param[in] allocator A valid allocator to be used.
* \param[out] cancel_service_name Either an allocated string with the action
* cancel service name, or `NULL` if the function failed to allocate memory
* for it. Must refer to a `NULL` pointer upon call.
* \return `RCL_RET_OK` if the action cancel service name was returned, or
* \return `RCL_RET_ACTION_NAME_INVALID` if the action name is not valid
* (i.e. empty), or
* \return `RCL_RET_INVALID_ARGUMENT` if the action name is `NULL`, or
* \return `RCL_RET_INVALID_ARGUMENT` if the allocator is invalid, or
* \return `RCL_RET_INVALID_ARGUMENT` if the cancel service name is `NULL` or
* points to a non-`NULL` pointer, or
* \return `RCL_RET_BAD_ALLOC` if allocating memory failed.
*/
RCL_ACTION_PUBLIC
RCL_WARN_UNUSED
rcl_ret_t
rcl_action_get_cancel_service_name(
const char * action_name,
rcl_allocator_t allocator,
char ** cancel_service_name);
/// Get the result service name of an action.
/**
* This function returns the result service name for a given action name
* that must be used by action clients and action servers to successfully
* communicate with each other.
*
* <hr>
* Attribute | Adherence
* ------------------ | -------------
* Allocates Memory | Yes
* Thread-Safe | No
* Uses Atomics | No
* Lock-Free | Yes
*
* \param[in] action_name The name of the action whose result service name
* is being returned.
* \param[in] allocator A valid allocator to be used.
* \param[out] result_service_name Either an allocated string with the action
* result service name, or `NULL` if the function failed to allocate memory
* for it. Must refer to a `NULL` pointer upon call.
* \return `RCL_RET_OK` if the action result service name was returned, or
* \return `RCL_RET_ACTION_NAME_INVALID` if the action name is not valid
* (i.e. empty), or
* \return `RCL_RET_INVALID_ARGUMENT` if the action name is `NULL`, or
* \return `RCL_RET_INVALID_ARGUMENT` if the allocator is invalid, or
* \return `RCL_RET_INVALID_ARGUMENT` if the result service name pointer is
* `NULL` or points to a non-`NULL` pointer, or
* \return `RCL_RET_BAD_ALLOC` if allocating memory failed.
*/
RCL_ACTION_PUBLIC
RCL_WARN_UNUSED
rcl_ret_t
rcl_action_get_result_service_name(
const char * action_name,
rcl_allocator_t allocator,
char ** result_service_name);
/// Get the feedback topic name of an action.
/**
* This function returns the feedback topic name for a given action name
* that must be used by action clients and action servers to successfully
* communicate with each other.
*
* <hr>
* Attribute | Adherence
* ------------------ | -------------
* Allocates Memory | Yes
* Thread-Safe | No
* Uses Atomics | No
* Lock-Free | Yes
*
* \param[in] action_name The name of the action whose feedback topic name
* is being returned.
* \param[in] allocator A valid allocator to be used.
* \param[out] feedback_topic_name Either an allocated string with the action
* feedback topic name, or `NULL` if the function failed to allocate memory
* for it. Must refer to a `NULL` pointer upon call.
* \return `RCL_RET_OK` if the action feedback topic name was returned, or
* \return `RCL_RET_ACTION_NAME_INVALID` if the action name is not valid
* (i.e. empty), or
* \return `RCL_RET_INVALID_ARGUMENT` if the action name is `NULL`, or
* \return `RCL_RET_INVALID_ARGUMENT` if the allocator is invalid, or
* \return `RCL_RET_INVALID_ARGUMENT` if the feedback topic name pointer is
* `NULL` or points to a non-`NULL` pointer, or
* \return `RCL_RET_BAD_ALLOC` if allocating memory failed.
*/
RCL_ACTION_PUBLIC
RCL_WARN_UNUSED
rcl_ret_t
rcl_action_get_feedback_topic_name(
const char * action_name,
rcl_allocator_t allocator,
char ** feedback_topic_name);
/// Get the status topic name of an action.
/**
* This function returns the status topic name for a given action name
* that must be used by action clients and action servers to successfully
* communicate with each other.
*
* <hr>
* Attribute | Adherence
* ------------------ | -------------
* Allocates Memory | Yes
* Thread-Safe | No
* Uses Atomics | No
* Lock-Free | Yes
*
* \param[in] action_name The name of the action whose status topic
* name is being returned.
* \param[in] allocator A valid allocator to be used.
* \param[out] status_topic_name Either an allocated string with the action
* status topic name, or `NULL` if the function failed to allocate memory
* for it. Must refer to a `NULL` pointer upon call.
* \return `RCL_RET_OK` if the action status topic name was returned, or
* \return `RCL_RET_ACTION_NAME_INVALID` if the action name is not valid
* (i.e. empty), or
* \return `RCL_RET_INVALID_ARGUMENT` if the action name is `NULL`, or
* \return `RCL_RET_INVALID_ARGUMENT` if the allocator is invalid, or
* \return `RCL_RET_INVALID_ARGUMENT` if the status topic name pointer is
* `NULL` or points to a non-`NULL` pointer, or
* \return `RCL_RET_BAD_ALLOC` if allocating memory failed.
*/
RCL_ACTION_PUBLIC
RCL_WARN_UNUSED
rcl_ret_t
rcl_action_get_status_topic_name(
const char * action_name,
rcl_allocator_t allocator,
char ** status_topic_name);
#ifdef __cplusplus
}
#endif
#endif // RCL_ACTION__NAMES_H_