runtime/rbs_bt_executor/src/PoseEstimation.cpp

118 lines
4 KiB
C++

#include <ament_index_cpp/get_package_share_directory.hpp>
#include <behavior_tree/BtService.hpp>
#include <behaviortree_cpp_v3/basic_types.h>
#include <rclcpp/logging.hpp>
#include <string>
#include "rcl_interfaces/msg/parameter.hpp"
#include "rcl_interfaces/srv/set_parameters.hpp"
#include "lifecycle_msgs/msg/transition.hpp"
#include "lifecycle_msgs/srv/change_state.hpp"
using PoseEstimationSrv = lifecycle_msgs::srv::ChangeState;
class PoseEstimation : public BtService<PoseEstimationSrv> {
public:
PoseEstimation(const std::string &name, const BT::NodeConfiguration &config)
: BtService<PoseEstimationSrv>(name, config) {
RCLCPP_INFO_STREAM(_node->get_logger(), "Start node.");
_set_params_client = std::make_shared<rclcpp::AsyncParametersClient>(_node, "/pose_estimation");
while (!_set_params_client->wait_for_service(1s)) {
if (!rclcpp::ok()) {
RCLCPP_ERROR(_node->get_logger(), "Interrupted while waiting for the service. Exiting.");
break;
}
RCLCPP_WARN(_node->get_logger(), "service not available, waiting again...");
}
_model_name = getInput<std::string>("ObjectName").value();
}
PoseEstimationSrv::Request::SharedPtr populate_request() {
auto request = std::make_shared<PoseEstimationSrv::Request>();
_req_type = getInput<std::string>("ReqKind").value();
request->set__transition(transition_event(_req_type));
return request;
}
BT::NodeStatus
handle_response(const PoseEstimationSrv::Response::SharedPtr response) {
if (response->success) {
return BT::NodeStatus::SUCCESS;
}
return BT::NodeStatus::FAILURE;
}
static BT::PortsList providedPorts() {
return providedBasicPorts({
BT::InputPort<std::string>("ReqKind"),
BT::InputPort<std::string>("ObjectName"),
BT::InputPort<std::string>("ObjectPath"),
});
}
private:
uint8_t transition_id_{};
std::string _model_name{};
std::string _model_path{};
std::string _req_type{};
std::shared_ptr<rclcpp::AsyncParametersClient> _set_params_client;
std::vector<rcl_interfaces::msg::Parameter> _params;
rcl_interfaces::msg::Parameter _param;
lifecycle_msgs::msg::Transition
transition_event(const std::string &req_type) {
lifecycle_msgs::msg::Transition translation{};
if (req_type == "configure") {
set_mesh_param();
transition_id_ = lifecycle_msgs::msg::Transition::TRANSITION_CONFIGURE;
} else if (req_type == "calibrate") {
set_str_param();
transition_id_ = lifecycle_msgs::msg::Transition::TRANSITION_CONFIGURE;
} else if (req_type == "activate") {
transition_id_ = lifecycle_msgs::msg::Transition::TRANSITION_ACTIVATE;
} else if (req_type == "deactivate") {
transition_id_ = lifecycle_msgs::msg::Transition::TRANSITION_DEACTIVATE;
} else if (req_type == "cleanup") {
transition_id_ = lifecycle_msgs::msg::Transition::TRANSITION_CLEANUP;
}
//calibrate
translation.set__id(transition_id_);
return translation;
}
inline std::string build_model_path(const std::string &model_name,
const std::string &package_path) {
return package_path + "/config/" + model_name + ".ply";
}
inline std::string build_model_path(const std::string &model_path) {
return model_path;
}
void set_str_param() {
RCLCPP_INFO_STREAM(_node->get_logger(), "Set string parameter: <" + _model_name + ">");
std::vector<rclcpp::Parameter> _parameters{rclcpp::Parameter("mesh_path", _model_name)};
_set_params_client->set_parameters(_parameters);
}
void set_mesh_param() {
auto _package_name = ament_index_cpp::get_package_share_directory("rbs_perception");
_model_path = build_model_path(_model_name, _package_name);
RCLCPP_INFO_STREAM(_node->get_logger(), _model_path);
std::vector<rclcpp::Parameter> _parameters{rclcpp::Parameter("mesh_path", _model_path)};
_set_params_client->set_parameters(_parameters);
}
};
#include "behaviortree_cpp_v3/bt_factory.h"
BT_REGISTER_NODES(factory) {
factory.registerNodeType<PoseEstimation>("PoseEstimation");
}