ROS 2 rclcpp + rcl - jazzy  jazzy
ROS 2 C++ Client Library with ROS Client Library
publisher.h
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1 // Copyright 2015 Open Source Robotics Foundation, Inc.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
16 
17 #ifndef RCL__PUBLISHER_H_
18 #define RCL__PUBLISHER_H_
19 
20 #ifdef __cplusplus
21 extern "C"
22 {
23 #endif
24 
25 #include "rosidl_runtime_c/message_type_support_struct.h"
26 
27 #include "rcl/macros.h"
28 #include "rcl/node.h"
29 #include "rcl/visibility_control.h"
30 #include "rcl/time.h"
31 
34 
36 typedef struct rcl_publisher_s
37 {
41 
44 {
46  rmw_qos_profile_t qos;
48 
51  rmw_publisher_options_t rmw_publisher_options;
55 
57 
61 RCL_PUBLIC
62 RCL_WARN_UNUSED
65 
67 
153 RCL_PUBLIC
154 RCL_WARN_UNUSED
155 rcl_ret_t
157  rcl_publisher_t * publisher,
158  const rcl_node_t * node,
159  const rosidl_message_type_support_t * type_support,
160  const char * topic_name,
161  const rcl_publisher_options_t * options);
162 
164 
187 RCL_PUBLIC
188 RCL_WARN_UNUSED
189 rcl_ret_t
190 rcl_publisher_fini(rcl_publisher_t * publisher, rcl_node_t * node);
191 
193 
203 RCL_PUBLIC
204 RCL_WARN_UNUSED
207 
209 
233 RCL_PUBLIC
234 RCL_WARN_UNUSED
235 rcl_ret_t
237  const rcl_publisher_t * publisher,
238  const rosidl_message_type_support_t * type_support,
239  void ** ros_message);
240 
242 
263 RCL_PUBLIC
264 RCL_WARN_UNUSED
265 rcl_ret_t
267  const rcl_publisher_t * publisher,
268  void * loaned_message);
269 
271 
327 RCL_PUBLIC
328 RCL_WARN_UNUSED
329 rcl_ret_t
331  const rcl_publisher_t * publisher,
332  const void * ros_message,
333  rmw_publisher_allocation_t * allocation);
334 
336 
367 RCL_PUBLIC
368 RCL_WARN_UNUSED
369 rcl_ret_t
371  const rcl_publisher_t * publisher,
372  const rcl_serialized_message_t * serialized_message,
373  rmw_publisher_allocation_t * allocation);
374 
376 
408 RCL_PUBLIC
409 RCL_WARN_UNUSED
410 rcl_ret_t
412  const rcl_publisher_t * publisher,
413  void * ros_message,
414  rmw_publisher_allocation_t * allocation);
415 
417 
436 RCL_PUBLIC
437 RCL_WARN_UNUSED
438 rcl_ret_t
440 
442 
475 RCL_PUBLIC
476 RCL_WARN_UNUSED
477 rcl_ret_t
479  const rcl_publisher_t * publisher,
480  rcl_duration_value_t timeout);
481 
483 
504 RCL_PUBLIC
505 RCL_WARN_UNUSED
506 const char *
508 
510 
531 RCL_PUBLIC
532 RCL_WARN_UNUSED
534 rcl_publisher_get_options(const rcl_publisher_t * publisher);
535 
537 
562 RCL_PUBLIC
563 RCL_WARN_UNUSED
564 rmw_publisher_t *
566 
568 
590 RCL_PUBLIC
591 RCL_WARN_UNUSED
593 rcl_publisher_get_context(const rcl_publisher_t * publisher);
594 
596 
613 RCL_PUBLIC
614 bool
615 rcl_publisher_is_valid(const rcl_publisher_t * publisher);
616 
618 
626 RCL_PUBLIC
627 bool
629 
631 
650 RCL_PUBLIC
651 RCL_WARN_UNUSED
652 rcl_ret_t
654  const rcl_publisher_t * publisher,
655  size_t * subscription_count);
656 
658 
678 RCL_PUBLIC
679 RCL_WARN_UNUSED
680 const rmw_qos_profile_t *
682 
683 
685 
689 RCL_PUBLIC
690 bool
692 
693 #ifdef __cplusplus
694 }
695 #endif
696 
697 #endif // RCL__PUBLISHER_H_
rcutils_allocator_t rcl_allocator_t
Encapsulation of an allocator.
Definition: allocator.h:31
RCL_PUBLIC RCL_WARN_UNUSED rcl_ret_t rcl_publisher_init(rcl_publisher_t *publisher, const rcl_node_t *node, const rosidl_message_type_support_t *type_support, const char *topic_name, const rcl_publisher_options_t *options)
Initialize a rcl publisher.
Definition: publisher.c:47
RCL_PUBLIC RCL_WARN_UNUSED rcl_ret_t rcl_publish_loaned_message(const rcl_publisher_t *publisher, void *ros_message, rmw_publisher_allocation_t *allocation)
Publish a loaned message on a topic using a publisher.
Definition: publisher.c:314
RCL_PUBLIC RCL_WARN_UNUSED rcl_ret_t rcl_publisher_wait_for_all_acked(const rcl_publisher_t *publisher, rcl_duration_value_t timeout)
Wait until all published message data is acknowledged or until the specified timeout elapses.
Definition: publisher.c:346
RCL_PUBLIC bool rcl_publisher_is_valid(const rcl_publisher_t *publisher)
Return true if the publisher is valid, otherwise false.
Definition: publisher.c:417
RCL_PUBLIC RCL_WARN_UNUSED rcl_ret_t rcl_publish_serialized_message(const rcl_publisher_t *publisher, const rcl_serialized_message_t *serialized_message, rmw_publisher_allocation_t *allocation)
Publish a serialized message on a topic using a publisher.
Definition: publisher.c:291
RCL_PUBLIC RCL_WARN_UNUSED rcl_context_t * rcl_publisher_get_context(const rcl_publisher_t *publisher)
Return the context associated with this publisher.
Definition: publisher.c:408
RCL_PUBLIC RCL_WARN_UNUSED rcl_ret_t rcl_publish(const rcl_publisher_t *publisher, const void *ros_message, rmw_publisher_allocation_t *allocation)
Publish a ROS message on a topic using a publisher.
Definition: publisher.c:270
RCL_PUBLIC RCL_WARN_UNUSED rcl_ret_t rcl_borrow_loaned_message(const rcl_publisher_t *publisher, const rosidl_message_type_support_t *type_support, void **ros_message)
Borrow a loaned message.
Definition: publisher.c:244
RCL_PUBLIC RCL_WARN_UNUSED rcl_ret_t rcl_publisher_get_subscription_count(const rcl_publisher_t *publisher, size_t *subscription_count)
Get the number of subscriptions matched to a publisher.
Definition: publisher.c:443
RCL_PUBLIC RCL_WARN_UNUSED rmw_publisher_t * rcl_publisher_get_rmw_handle(const rcl_publisher_t *publisher)
Return the rmw publisher handle.
Definition: publisher.c:399
RCL_PUBLIC RCL_WARN_UNUSED const char * rcl_publisher_get_topic_name(const rcl_publisher_t *publisher)
Get the topic name for the publisher.
Definition: publisher.c:381
RCL_PUBLIC RCL_WARN_UNUSED const rmw_qos_profile_t * rcl_publisher_get_actual_qos(const rcl_publisher_t *publisher)
Get the actual qos settings of the publisher.
Definition: publisher.c:463
RCL_PUBLIC RCL_WARN_UNUSED rcl_publisher_options_t rcl_publisher_get_default_options(void)
Return the default publisher options in a rcl_publisher_options_t.
Definition: publisher.c:219
struct rcl_publisher_s rcl_publisher_t
Structure which encapsulates a ROS Publisher.
struct rcl_publisher_options_s rcl_publisher_options_t
Options available for a rcl publisher.
RCL_PUBLIC bool rcl_publisher_is_valid_except_context(const rcl_publisher_t *publisher)
Return true if the publisher is valid except the context, otherwise false.
Definition: publisher.c:432
RCL_PUBLIC RCL_WARN_UNUSED const rcl_publisher_options_t * rcl_publisher_get_options(const rcl_publisher_t *publisher)
Return the rcl publisher options.
Definition: publisher.c:390
RCL_PUBLIC RCL_WARN_UNUSED rcl_publisher_t rcl_get_zero_initialized_publisher(void)
Return a rcl_publisher_t struct with members set to NULL.
Definition: publisher.c:40
RCL_PUBLIC RCL_WARN_UNUSED rcl_ret_t rcl_publisher_fini(rcl_publisher_t *publisher, rcl_node_t *node)
Finalize a rcl_publisher_t.
Definition: publisher.c:178
RCL_PUBLIC bool rcl_publisher_can_loan_messages(const rcl_publisher_t *publisher)
Check if publisher instance can loan messages.
Definition: publisher.c:472
RCL_PUBLIC RCL_WARN_UNUSED rcl_ret_t rcl_return_loaned_message_from_publisher(const rcl_publisher_t *publisher, void *loaned_message)
Return a loaned message previously borrowed from a publisher.
Definition: publisher.c:257
RCL_PUBLIC RCL_WARN_UNUSED rcl_ret_t rcl_publisher_assert_liveliness(const rcl_publisher_t *publisher)
Manually assert that this Publisher is alive (for RMW_QOS_POLICY_LIVELINESS_MANUAL_BY_TOPIC)
Definition: publisher.c:333
Encapsulates the non-global state of an init/shutdown cycle.
Definition: context.h:114
Structure which encapsulates a ROS Node.
Definition: node.h:45
Options available for a rcl publisher.
Definition: publisher.h:44
rmw_qos_profile_t qos
Middleware quality of service settings for the publisher.
Definition: publisher.h:46
rmw_publisher_options_t rmw_publisher_options
rmw specific publisher options, e.g. the rmw implementation specific payload.
Definition: publisher.h:51
bool disable_loaned_message
Disable flag to LoanedMessage, initialized via environmental variable.
Definition: publisher.h:53
rcl_allocator_t allocator
Custom allocator for the publisher, used for incidental allocations.
Definition: publisher.h:49
Structure which encapsulates a ROS Publisher.
Definition: publisher.h:37
rcl_publisher_impl_t * impl
Pointer to the publisher implementation.
Definition: publisher.h:39
rcutils_duration_value_t rcl_duration_value_t
A duration of time, measured in nanoseconds.
Definition: time.h:48
rmw_serialized_message_t rcl_serialized_message_t
typedef for rmw_serialized_message_t;
Definition: types.h:134
rmw_ret_t rcl_ret_t
The type that holds an rcl return code.
Definition: types.h:24