id stringlengths 15 54 | text stringlengths 3 133k | title stringclasses 1
value |
|---|---|---|
nodenow/time8hhtml_20.txt | #define RCL_NS_TO_MS [ RCUTILS_NS_TO_MS
](http://docs.ros2.org/ardent/api/rcutils/time_8h.html#a32b8b03e8399363992e8b7b2275072d2)
---
Convenience macro to convert nanoseconds to milliseconds. | |
nodenow/serviceclientexample_27.txt | void ServiceClientExample::timer_callback()
{
// it's good to firstly check if the service server is even ready to be called
if (service_client_->service_is_ready())
{
auto request = std::make_shared<std_srvs::srv::SetBool::Request>();
request->data = true;
setbool_future_ = service_cl... | |
nodenow/WritingASimpleCppSer_76.txt |
RCLCPP_ERROR(rclcpp::get_logger("rclcpp"), "Interrupted while waiting for the service. Exiting.");
| |
nodenow/time8hhtml_134.txt | ` RCL_RET_OK ` if the time source was set successfully, or
` RCL_RET_INVALID_ARGUMENT ` if any arguments are invalid, or
` RCL_RET_ERROR ` an unspecified error occur. | |
nodenow/25045_34.txt | rclcpp::sleep_for(1s);
}
this->twist_msg.linear.x = 0;
this->twist_msg.angular.z = 0;
publisher_->publish(twist_msg);
subscription_.reset();
RCLCPP_INFO(this->get_logger(), "in position, end of service");
response->wallfound = true;
}
in... | |
nodenow/clockandtimehtml_12.txt | ROS Time Source
| |
nodenow/WritingASimpleCppSer_53.txt | * Initializes ROS 2 C++ client library:
rclcpp::init(argc, argv);
| |
nodenow/25045_53.txt | This topic was automatically closed 3 days after the last reply. New replies
are no longer allowed. | |
rclcpp_service_action/classrclcpp11Nodehtm_363.txt | The given [ Event ](classrclcpp_1_1Event.html) must be acquire through the [
get_graph_event() ](classrclcpp_1_1Node.html#a9e5851844ecb1794503b8fc0f9f5c898
"Return a graph event, which will be set anytime a graph change occurs.")
method. | |
rclcpp_service_action/classrclcppaction11S_43.txt | | [ RCLCPP_ACTION_PUBLIC
](visibility__control_8hpp.html#a736fe60d4de4417a213ed34ba1926048) void
rclcpp_action::ServerBase::execute | ( | | ) |
---|---|---|---|---
override virtual
Act on entities in the wait set which are ready to be acted upon. | |
rclcpp_service_action/14671_30.txt | Some additional context on the problem:
Since the last message in this topic, the ` Node::create_generic_subscription
` function was integrated from rosbag2 into the rclcpp library, which is
great. However, either i don’t understand how to use it for services, or a
generic service is still missing from rclcpp.
I be... | |
rclcpp_service_action/WritingASimpleCppSer_20.txt | 3.2 Add executable ï
Return to ` CMakeLists.txt ` to add the executable and target for the new
node. After removing some unnecessary boilerplate from the automatically
generated file, your ` CMakeLists.txt ` should look like this:
cmake_minimum_required(VERSION 3.5)
project(cpp_srvcli)
... | |
rclcpp_service_action/classrclcpp11Nodehtm_54.txt | See also | |
rclcpp_service_action/classrclcpp11Nodehtm_151.txt | [in] | name | The name of the parameter to check for being declared.
---|---|---
Returns | |
rclcpp_service_action/classrclcpp11Nodehtm_55.txt | [ get_sub_namespace() ](classrclcpp_1_1Node.html#aa9ac5055f3f7a3537642482bd505d4bd "Return the sub-namespace, if this is a sub-node, otherwise an empty string.")
[ get_effective_namespace() ](classrclcpp_1_1Node.html#afe4790bba38942b795d24b6ccb3e9c5a "Return the effective namespace that is used when creating ... | |
rclcpp_service_action/classrclcpp11Nodehtm_103.txt | ## ◆ create_service() | |
rclcpp_service_action/classrclcpp11Nodehtm_3.txt | rclcpp::Node Class Reference | |
rclcpp_service_action/classrclcppaction11S_17.txt | ## Constructor & Destructor Documentation | |
rclcpp_service_action/classrclcpp11Nodehtm_24.txt | entry for creating publishers and subscribers.") 's internal
NodeServicesInterface implementation. [ More...
](classrclcpp_1_1Node.html#a588cb7990fd658e58c532d65e4872df3)
rclcpp::node_interfaces::NodeWaitablesInterface::SharedPtr | [
get_node_waitables_interface
](classrclcpp_1_1Node.html#a6708bb439e1d3bb1ea44fb... | |
rclcpp_service_action/classrclcpp11Nodehtm_298.txt | ` remove_on_set_parameters_callback(scoped_callback.get()) ` | |
rclcpp_service_action/classrclcpp11Nodehtm_178.txt | Set the given parameters, all at one time, and then aggregate result. | |
rclcpp_service_action/classrclcpp11Nodehtm_378.txt | ## ◆ get_node_base_interface() | |
rclcpp_service_action/classrclcpp11Nodehtm_293.txt | Exceptions | |
rclcpp_service_action/Cpphtml_26.txt | # 3 Writing an action client ï
| |
rclcpp_service_action/14671_36.txt | | 5 | 4300 | September 29, 2021
[ Actions in ROS 2 ](https://discourse.ros.org/t/actions-in-ros-2/6254) | |
rclcpp_service_action/classrclcpp11Nodehtm_27.txt | [ Node ](classrclcpp_1_1Node.html "Node is the single point of entry for
creating publishers and subscribers.") is the single point of entry for
creating publishers and subscribers. | |
rclcpp_service_action/classrclcpp11Nodehtm_29.txt | ## ◆ OnSetParametersCallbackHandle | |
rclcpp_service_action/classrclcpp11Nodehtm_408.txt | auto sub_node3 = node->create_sub_node( "foo" ); | |
rclcpp_service_action/classrclcpp11Nodehtm_85.txt | [in] | topic_name | The topic for this publisher to publish on.
---|---|---
[in] | qos | The Quality of [ Service ](classrclcpp_1_1Service.html)
settings for the publisher.
[in] | options | Additional options for the created [ Publisher
](classrclcpp_1_1Publisher.html "A publisher publishes mess... | |
rclcpp_service_action/classrclcpp11Nodehtm_142.txt | See the simpler [ declare_parameters()
](classrclcpp_1_1Node.html#a5ebda51ed6fa4ce8f2cddc9f77e9674e "Declare and
initialize several parameters with the same namespace and type.") on this
class for more details. | |
rclcpp_service_action/14671_31.txt |
subscription_ = this->node_handle_->create_generic_subscription(
topic_name_,
topic_type_,
qos,
[this](std::shared_ptr<const rclcpp::SerializedMessage> message)
{
this->process_message(message);
... | |
rclcpp_service_action/classrclcpp11Nodehtm_287.txt | The callback functions must remain valid as long as the returned smart pointer
is valid. The returned smart pointer can be promoted to a shared version. | |
rclcpp_service_action/classrclcpp11Nodehtm_436.txt | By default, when an instance of this class is created using one of the public
constructors, it has no sub-namespace associated with it, and therefore is not
a sub-node. That "normal" node instance may, however, be used to create
further instances of this class, based on the original instance, which have an
additional s... | |
rclcpp_service_action/classrclcpp11Nodehtm_118.txt | [in] | name | The name of the parameter.
---|---|---
[in] | default_value | An initial value to be used if at run-time user did
not override it.
[in] | parameter_descriptor | An optional, custom description for the
parameter.
[in] | ignore_override | When ` true ` , the parameter override ... | |
rclcpp_service_action/classrclcpp11Nodehtm_316.txt | Returns | |
rclcpp_service_action/creatingros2services_19.txt | Let’s start by exploring three different service definitions in the [ `
std_srvs ` ](http://wiki.ros.org/std_srvs) package: | |
rclcpp_service_action/classrclcpp11Nodehtm_227.txt | template<typename ParameterT > | |
rclcpp_service_action/creatingros2services_103.txt | ### Product | |
rclcpp_service_action/clienthpp1_14.txt | /**
* Similar to the previous overload, but a callback will automatically be called when a response is received.
*
* If the callback is never called, because we never got a reply for the service server, remove_pending_request()
* has to be called with the returned request id or prune_pending_requests().
... | |
rclcpp_service_action/classrclcpp11Nodehtm_10.txt |  | |
rclcpp_service_action/classrclcpp11Nodehtm_391.txt | rclcpp::node_interfaces::NodeServicesInterface::SharedPtr
rclcpp::Node::get_node_services_interface | ( | | ) |
---|---|---|---|---
Return the [ Node ](classrclcpp_1_1Node.html "Node is the single point of
entry for creating publishers and subscribers.") 's internal
NodeServicesInterface implementation. | |
rclcpp_service_action/classrclcpp11Nodehtm_348.txt | a list of [ TopicEndpointInfo ](classrclcpp_1_1TopicEndpointInfo.html) representing all the publishers on this topic. | |
rclcpp_service_action/classrclcpp11Nodehtm_417.txt | const [ std::string
](http://en.cppreference.com/w/cpp/string/basic_string.html) &
rclcpp::Node::get_effective_namespace | ( | | ) | const
---|---|---|---|---
Return the effective namespace that is used when creating entities. | |
rclcpp_service_action/classrclcpp11Nodehtm_385.txt | rclcpp::node_interfaces::NodeLoggingInterface::SharedPtr
rclcpp::Node::get_node_logging_interface | ( | | ) |
---|---|---|---|---
Return the [ Node ](classrclcpp_1_1Node.html "Node is the single point of
entry for creating publishers and subscribers.") 's internal
NodeLoggingInterface implementation. | |
rclcpp_service_action/classrclcpp11Nodehtm_457.txt | * * * | |
rclcpp_service_action/classrclcpp11Nodehtm_307.txt | **[ Deprecated: ](deprecated.html#_deprecated000001) ** | |
rclcpp_service_action/classrclcpp11Nodehtm_390.txt | ## ◆ get_node_services_interface() | |
rclcpp_service_action/classrclcpp11Nodehtm_159.txt | Parameters | |
rclcpp_service_action/creatingros2services_46.txt | Create a ` diagnostics_node.cpp ` file in your package's ` src ` folder, and
include the following libraries: | |
rclcpp_service_action/classrclcpp11Nodehtm_458.txt | Generated by [  ](http://www.doxygen.org/index.html)
1.8.17 | |
rclcpp_service_action/creatingros2services_27.txt | 
_The client will wait for a response within a specified timeout period._ | |
rclcpp_service_action/classrclcpp11Nodehtm_243.txt | If undeclared parameters are allowed, then a default initialized descriptor
will be returned. | |
rclcpp_service_action/classrclcpp11Nodehtm_346.txt | Parameters | |
rclcpp_service_action/classrclcpp11Nodehtm_332.txt | number of publishers that are advertised on a given topic. | |
rclcpp_service_action/classrclcpp11Nodehtm_260.txt | If undeclared parameters are allowed, then the default type
rclcpp::ParameterType::PARAMETER_NOT_SET will be returned. | |
rclcpp_service_action/classrclcpp11Nodehtm_187.txt | Exceptions | |
rclcpp_service_action/classrclcpp11Nodehtm_234.txt | This method will never throw the [
rclcpp::exceptions::ParameterNotDeclaredException
](classrclcpp_1_1exceptions_1_1ParameterNotDeclaredException.html "Thrown if
parameter is not declared, e.g. either set or get was called without first
declaring.") exception because the action of listing the parameters is done
atomica... | |
rclcpp_service_action/classrclcpp11Nodehtm_150.txt | Parameters | |
rclcpp_service_action/classrclcpp11Nodehtm_435.txt | A sub-node (short for subordinate node) is an instance of this class which has
been created using an existing instance of this class, but which has an
additional sub-namespace (short for subordinate namespace) associated with it.
The sub-namespace will extend the node's namespace for the purpose of creating
additional ... | |
rclcpp_service_action/creatingros2services_52.txt | Before we send the request, let's make sure the server is active – otherwise,
our request will be lost. The function ` wait_for_service() ` requires a
**timeout** , which is the maximum time a client will wait for a response. | |
rclcpp_service_action/WritingASimpleCppSer_8.txt | Background ï
When [ nodes ](../Beginner-CLI-Tools/Understanding-ROS2-Nodes/Understanding-
ROS2-Nodes.html) communicate using [ services ](../Beginner-CLI-
Tools/Understanding-ROS2-Services/Understanding-ROS2-Services.html) , the node
that sends a request for data is called the client node, and the one that
resp... | |
rclcpp_service_action/classrclcpp11Nodehtm_280.txt | result.reason = "the reason it could not be allowed" ; | |
rclcpp_service_action/classrclcpp11Nodehtm_174.txt | The results for each set action as a vector. | |
rclcpp_service_action/classrclcpp11Nodehtm_335.txt | size_t rclcpp::Node::count_publishers | ( | const [ std::string
](http://en.cppreference.com/w/cpp/string/basic_string.html) & | _topic_name_
| ) | const
---|---|---|---|---|---
## ◆ count_subscribers() | |
rclcpp_service_action/classrclcpp11Nodehtm_63.txt | ## ◆ get_logger() | |
rclcpp_service_action/creatingros2services_20.txt | * [ ` Empty.srv ` ](http://docs.ros.org/en/api/std_srvs/html/srv/Empty.html) – Empty request and response. The only data that is passed from client to server is the call itself.
* [ ` Trigger.srv ` ](http://docs.ros.org/en/api/std_srvs/html/srv/Trigger.html) – Empty request and a response with ` success ` and ` me... | |
rclcpp_service_action/classrclcpp11Nodehtm_208.txt | Exceptions | |
rclcpp_service_action/classrclcpp11Nodehtm_239.txt | Exceptions | |
rclcpp_service_action/classrclcpp11Nodehtm_120.txt | Exceptions | |
rclcpp_service_action/Cpphtml_1.txt | * [ Beta 3 ( ` r2b3 ` ) ](../../../Releases/Beta3-Overview.html)
* [ Beta 2 ( ` r2b2 ` ) ](../../../Releases/Beta2-Overview.html)
* [ Beta 1 ( ` Asphalt ` ) ](../../../Releases/Beta1-Overview.html)
* [ Alphas ](../../../Releases/Alpha-Overview.html)
* [ Development process for a release ]... | |
rclcpp_service_action/classrclcpp11Nodehtm_403.txt | node->get_sub_namespace(); // -> "" | |
rclcpp_service_action/classrclcppaction11S_37.txt | | [ RCLCPP_ACTION_PUBLIC
](visibility__control_8hpp.html#a736fe60d4de4417a213ed34ba1926048) bool
rclcpp_action::ServerBase::add_to_wait_set | ( | [ rcl_wait_set_t
](http://docs.ros2.org/foxy/api/rcl/structrcl__wait__set__t.html) * |
_wait_set_ | ) |
---|---|---|---|---|---
override virtual
Add all ent... | |
rclcpp_service_action/classrclcpp11Nodehtm_319.txt | [ std::map ](http://en.cppreference.com/w/cpp/container/map.html) < [
std::string ](http://en.cppreference.com/w/cpp/string/basic_string.html) , [
std::vector ](http://en.cppreference.com/w/cpp/container/vector.html) < [
std::string ](http://en.cppreference.com/w/cpp/string/basic_string.html) > >
rclcpp::Node::get_topi... | |
rclcpp_service_action/classrclcpp11Nodehtm_402.txt | auto node = std::make_shared<rclcpp::Node>( "my_node" , "my_ns" ); | |
rclcpp_service_action/14671_44.txt | [ Next Generation ROS ](/c/ng-ros/25) | |
rclcpp_service_action/classrclcpp11Nodehtm_258.txt | [ std::vector ](http://en.cppreference.com/w/cpp/container/vector.html)
<uint8_t> rclcpp::Node::get_parameter_types | ( | const [ std::vector
](http://en.cppreference.com/w/cpp/container/vector.html) < [ std::string
](http://en.cppreference.com/w/cpp/string/basic_string.html) > & | _names_ |
) | const
---|---|... | |
rclcpp_service_action/classrclcpp11Nodehtm_241.txt | rcl_interfaces::msg::ParameterDescriptor rclcpp::Node::describe_parameter |
( | const [ std::string
](http://en.cppreference.com/w/cpp/string/basic_string.html) & | _name_ | )
| const
---|---|---|---|---|---
Return the parameter descriptor for the given parameter name. | |
rclcpp_service_action/classrclcpp11Nodehtm_441.txt | [ get_sub_namespace() ](classrclcpp_1_1Node.html#aa9ac5055f3f7a3537642482bd505d4bd "Return the sub-namespace, if this is a sub-node, otherwise an empty string.")
[ get_effective_namespace() ](classrclcpp_1_1Node.html#afe4790bba38942b795d24b6ccb3e9c5a "Return the effective namespace that is used when creating ... | |
rclcpp_service_action/classrclcppaction11S_69.txt | | [ RCLCPP_ACTION_PUBLIC
](visibility__control_8hpp.html#a736fe60d4de4417a213ed34ba1926048) void
rclcpp_action::ServerBase::notify_goal_terminal_state | ( | | ) |
---|---|---|---|---
protected
## ◆ publish_result() | |
rclcpp_service_action/creatingros2services_74.txt | You've now created a server-client communication that checks your actuators
and sensors during start-up, making sure that everything is working properly
before continuing. | |
rclcpp_service_action/14671_14.txt | [ wjwwood ](https://discourse.ros.org/u/wjwwood) June 22, 2020, 8:00pm 4 | |
rclcpp_service_action/classrclcpp11Nodehtm_128.txt | ## ◆ declare_parameters() [1/2] | |
rclcpp_service_action/creatingros2services_21.txt | The more fields a service contains, the more information the client and server
can exchange with each other. | |
rclcpp_service_action/Cpphtml_37.txt | 3.3 Running the action client ï
Now that we have the action client built, we can run it. First make sure that
an action server is running in a separate terminal. Now source the workspace
we just built ( ` ros2_ws ` ), and try to run the action client:
ros2 run custom_action_cpp fibonacci_action_cl... | |
rclcpp_service_action/creatingros2services_113.txt | * * * | |
rclcpp_service_action/classrclcppaction11S_36.txt | ## ◆ add_to_wait_set() | |
rclcpp_service_action/clienthpp1_1.txt | #include "rclcpp/node_interfaces/node_graph_interface.hpp"
#include "rclcpp/qos.hpp"
#include "rclcpp/type_support_decl.hpp"
#include "rclcpp/utilities.hpp"
#include "rclcpp/visibility_control.hpp"
#include "rmw/error_handling.h"
#include "rmw/impl/cpp/demangle.hpp"
#include "rmw/rmw.h"
namespace rclcpp
{
namespace det... | |
rclcpp_service_action/classrclcpp11Nodehtm_247.txt | Exceptions | |
rclcpp_service_action/classrclcpp11Nodehtm_342.txt | [ std::vector ](http://en.cppreference.com/w/cpp/container/vector.html) < [
rclcpp::TopicEndpointInfo ](classrclcpp_1_1TopicEndpointInfo.html) >
rclcpp::Node::get_publishers_info_by_topic | ( | const [ std::string
](http://en.cppreference.com/w/cpp/string/basic_string.html) & | _topic_name_
,
---|---|---|---
|... | |
rclcpp_service_action/creatingros2services_111.txt | ### Company | |
rclcpp_service_action/classrclcpp11Nodehtm_452.txt | * include/rclcpp/ [ node.hpp ](node_8hpp_source.html)
* include/rclcpp/ [ node_impl.hpp ](node__impl_8hpp_source.html) | |
rclcpp_service_action/creatingros2services_12.txt | In this tutorial, we'll learn how to **build a client and server node in C++,
and implement a service for them to pass data to each other.** | |
rclcpp_service_action/classrclcpp11Nodehtm_445.txt | Exceptions | |
rclcpp_service_action/creatingros2services_108.txt | * [ Community ](/community)
* [ Newsletter ](/newsletter)
* [ Schedule a demo ](/demo)
* [ Contact us ](/contact) | |
rclcpp_service_action/14671_42.txt | [ Next Generation ROS ](/c/ng-ros/25) | |
rclcpp_service_action/classrclcpp11Nodehtm_365.txt | [in] | event | pointer to an [ Event ](classrclcpp_1_1Event.html) to wait for
---|---|---
[in] | timeout | nanoseconds to wait for the [ Event
](classrclcpp_1_1Event.html) to change the state
Exceptions | |
rclcpp_service_action/classrclcpp11Nodehtm_352.txt | The returned parameter is a list of topic endpoint information, where each
item will contain the node name, node namespace, topic type, endpoint type,
topic endpoint's GID, and its [ QoS ](classrclcpp_1_1QoS.html "Encapsulation
of Quality of Service settings.") profile. | |
rclcpp_service_action/classrclcpp11Nodehtm_125.txt | If the type of the default value, and therefore also the type of return value,
differs from the initial value provided in the node options, then a [
rclcpp::exceptions::InvalidParameterTypeException
](classrclcpp_1_1exceptions_1_1InvalidParameterTypeException.html "Thrown if
requested parameter type is invalid.") may b... | |
rclcpp_service_action/classrclcpp11Nodehtm_340.txt | Exceptions | |
rclcpp_service_action/classrclcpp11Nodehtm_386.txt | ## ◆ get_node_timers_interface() |
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