ROS 2 rclcpp + rcl - rolling  rolling-e7363f10
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 <stdbool.h>
26 #include <stddef.h>
27 
28 #include "rosidl_runtime_c/message_type_support_struct.h"
29 
30 #include "rcl/allocator.h"
31 #include "rcl/macros.h"
32 #include "rcl/node.h"
33 #include "rcl/time.h"
34 #include "rcl/types.h"
35 #include "rcl/visibility_control.h"
36 
37 #include "rmw/types.h"
38 
41 
43 typedef struct rcl_publisher_s
44 {
48 
51 {
53  rmw_qos_profile_t qos;
55 
58  rmw_publisher_options_t rmw_publisher_options;
62 
64 
68 RCL_PUBLIC
69 RCL_WARN_UNUSED
72 
74 
160 RCL_PUBLIC
161 RCL_WARN_UNUSED
162 rcl_ret_t
164  rcl_publisher_t * publisher,
165  const rcl_node_t * node,
166  const rosidl_message_type_support_t * type_support,
167  const char * topic_name,
168  const rcl_publisher_options_t * options);
169 
171 
194 RCL_PUBLIC
195 RCL_WARN_UNUSED
196 rcl_ret_t
197 rcl_publisher_fini(rcl_publisher_t * publisher, rcl_node_t * node);
198 
200 
210 RCL_PUBLIC
211 RCL_WARN_UNUSED
214 
216 
240 RCL_PUBLIC
241 RCL_WARN_UNUSED
242 rcl_ret_t
244  const rcl_publisher_t * publisher,
245  const rosidl_message_type_support_t * type_support,
246  void ** ros_message);
247 
249 
270 RCL_PUBLIC
271 RCL_WARN_UNUSED
272 rcl_ret_t
274  const rcl_publisher_t * publisher,
275  void * loaned_message);
276 
278 
334 RCL_PUBLIC
335 RCL_WARN_UNUSED
336 rcl_ret_t
338  const rcl_publisher_t * publisher,
339  const void * ros_message,
340  rmw_publisher_allocation_t * allocation);
341 
343 
374 RCL_PUBLIC
375 RCL_WARN_UNUSED
376 rcl_ret_t
378  const rcl_publisher_t * publisher,
379  const rcl_serialized_message_t * serialized_message,
380  rmw_publisher_allocation_t * allocation);
381 
383 
415 RCL_PUBLIC
416 RCL_WARN_UNUSED
417 rcl_ret_t
419  const rcl_publisher_t * publisher,
420  void * ros_message,
421  rmw_publisher_allocation_t * allocation);
422 
424 
443 RCL_PUBLIC
444 RCL_WARN_UNUSED
445 rcl_ret_t
447 
449 
482 RCL_PUBLIC
483 RCL_WARN_UNUSED
484 rcl_ret_t
486  const rcl_publisher_t * publisher,
487  rcl_duration_value_t timeout);
488 
490 
511 RCL_PUBLIC
512 RCL_WARN_UNUSED
513 const char *
515 
517 
538 RCL_PUBLIC
539 RCL_WARN_UNUSED
541 rcl_publisher_get_options(const rcl_publisher_t * publisher);
542 
544 
569 RCL_PUBLIC
570 RCL_WARN_UNUSED
571 rmw_publisher_t *
573 
575 
597 RCL_PUBLIC
598 RCL_WARN_UNUSED
600 rcl_publisher_get_context(const rcl_publisher_t * publisher);
601 
603 
620 RCL_PUBLIC
621 bool
622 rcl_publisher_is_valid(const rcl_publisher_t * publisher);
623 
625 
633 RCL_PUBLIC
634 bool
636 
638 
657 RCL_PUBLIC
658 RCL_WARN_UNUSED
659 rcl_ret_t
661  const rcl_publisher_t * publisher,
662  size_t * subscription_count);
663 
665 
685 RCL_PUBLIC
686 RCL_WARN_UNUSED
687 const rmw_qos_profile_t *
689 
690 
692 
696 RCL_PUBLIC
697 bool
699 
700 #ifdef __cplusplus
701 }
702 #endif
703 
704 #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:56
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:323
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:355
RCL_PUBLIC bool rcl_publisher_is_valid(const rcl_publisher_t *publisher)
Return true if the publisher is valid, otherwise false.
Definition: publisher.c:426
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:300
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:417
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:279
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:253
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:456
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:408
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:390
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:476
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:228
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:445
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:399
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:48
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:187
RCL_PUBLIC bool rcl_publisher_can_loan_messages(const rcl_publisher_t *publisher)
Check if publisher instance can loan messages.
Definition: publisher.c:485
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:266
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:342
Encapsulates the non-global state of an init/shutdown cycle.
Definition: context.h:117
Structure which encapsulates a ROS Node.
Definition: node.h:49
Options available for a rcl publisher.
Definition: publisher.h:51
rmw_qos_profile_t qos
Middleware quality of service settings for the publisher.
Definition: publisher.h:53
rmw_publisher_options_t rmw_publisher_options
rmw specific publisher options, e.g. the rmw implementation specific payload.
Definition: publisher.h:58
bool disable_loaned_message
Disable flag to LoanedMessage, initialized via environmental variable.
Definition: publisher.h:60
rcl_allocator_t allocator
Custom allocator for the publisher, used for incidental allocations.
Definition: publisher.h:56
Structure which encapsulates a ROS Publisher.
Definition: publisher.h:44
rcl_publisher_impl_t * impl
Pointer to the publisher implementation.
Definition: publisher.h:46
rcutils_duration_value_t rcl_duration_value_t
A duration of time, measured in nanoseconds.
Definition: time.h:51
rmw_serialized_message_t rcl_serialized_message_t
typedef for rmw_serialized_message_t;
Definition: types.h:153
rmw_ret_t rcl_ret_t
The type that holds an rcl return code.
Definition: types.h:25