ROS 2 rclcpp + rcl - humble  humble
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;
53 
55 
59 RCL_PUBLIC
60 RCL_WARN_UNUSED
63 
65 
151 RCL_PUBLIC
152 RCL_WARN_UNUSED
153 rcl_ret_t
155  rcl_publisher_t * publisher,
156  const rcl_node_t * node,
157  const rosidl_message_type_support_t * type_support,
158  const char * topic_name,
159  const rcl_publisher_options_t * options);
160 
162 
185 RCL_PUBLIC
186 RCL_WARN_UNUSED
187 rcl_ret_t
188 rcl_publisher_fini(rcl_publisher_t * publisher, rcl_node_t * node);
189 
191 
200 RCL_PUBLIC
201 RCL_WARN_UNUSED
204 
206 
230 RCL_PUBLIC
231 RCL_WARN_UNUSED
232 rcl_ret_t
234  const rcl_publisher_t * publisher,
235  const rosidl_message_type_support_t * type_support,
236  void ** ros_message);
237 
239 
260 RCL_PUBLIC
261 RCL_WARN_UNUSED
262 rcl_ret_t
264  const rcl_publisher_t * publisher,
265  void * loaned_message);
266 
268 
324 RCL_PUBLIC
325 RCL_WARN_UNUSED
326 rcl_ret_t
328  const rcl_publisher_t * publisher,
329  const void * ros_message,
330  rmw_publisher_allocation_t * allocation);
331 
333 
364 RCL_PUBLIC
365 RCL_WARN_UNUSED
366 rcl_ret_t
368  const rcl_publisher_t * publisher,
369  const rcl_serialized_message_t * serialized_message,
370  rmw_publisher_allocation_t * allocation);
371 
373 
405 RCL_PUBLIC
406 RCL_WARN_UNUSED
407 rcl_ret_t
409  const rcl_publisher_t * publisher,
410  void * ros_message,
411  rmw_publisher_allocation_t * allocation);
412 
414 
433 RCL_PUBLIC
434 RCL_WARN_UNUSED
435 rcl_ret_t
437 
439 
472 RCL_PUBLIC
473 RCL_WARN_UNUSED
474 rcl_ret_t
476  const rcl_publisher_t * publisher,
477  rcl_duration_value_t timeout);
478 
480 
501 RCL_PUBLIC
502 RCL_WARN_UNUSED
503 const char *
505 
507 
528 RCL_PUBLIC
529 RCL_WARN_UNUSED
531 rcl_publisher_get_options(const rcl_publisher_t * publisher);
532 
534 
559 RCL_PUBLIC
560 RCL_WARN_UNUSED
561 rmw_publisher_t *
563 
565 
587 RCL_PUBLIC
588 RCL_WARN_UNUSED
590 rcl_publisher_get_context(const rcl_publisher_t * publisher);
591 
593 
610 RCL_PUBLIC
611 bool
612 rcl_publisher_is_valid(const rcl_publisher_t * publisher);
613 
615 
623 RCL_PUBLIC
624 bool
626 
628 
647 RCL_PUBLIC
648 RCL_WARN_UNUSED
649 rcl_ret_t
651  const rcl_publisher_t * publisher,
652  size_t * subscription_count);
653 
655 
675 RCL_PUBLIC
676 RCL_WARN_UNUSED
677 const rmw_qos_profile_t *
679 
680 
682 
686 RCL_PUBLIC
687 bool
689 
690 #ifdef __cplusplus
691 }
692 #endif
693 
694 #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:46
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:279
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:310
RCL_PUBLIC bool rcl_publisher_is_valid(const rcl_publisher_t *publisher)
Return true if the publisher is valid, otherwise false.
Definition: publisher.c:383
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:257
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:374
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:236
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:210
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:409
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:365
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:345
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:429
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:198
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:398
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:356
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:39
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:164
RCL_PUBLIC bool rcl_publisher_can_loan_messages(const rcl_publisher_t *publisher)
Check if publisher instance can loan messages.
Definition: publisher.c:438
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:223
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:297
Encapsulates the non-global state of an init/shutdown cycle.
Definition: context.h:114
Structure which encapsulates a ROS Node.
Definition: node.h:42
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
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:127
rmw_ret_t rcl_ret_t
The type that holds an rcl return code.
Definition: types.h:23