Program Listing for File cb_wait_joint_states.hpp
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// Copyright 2021 RobosoftAI Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/*****************************************************************************************************************
*
* Authors: Pablo Inigo Blasco, Brett Aldrich
*
******************************************************************************************************************/
#pragma once
#include <sensor_msgs/msg/joint_state.hpp>
#include <moveit2z_client/common.hpp>
#include <moveit2z_client/cl_moveit2z.hpp>
#include <smacc2/smacc_asynchronous_client_behavior.hpp>
#include <condition_variable>
namespace cl_moveit2z
{
class CbWaitJointState : public smacc2::SmaccAsyncClientBehavior
{
public:
CbWaitJointState()
{
}
void onEntry() override
{
ClMoveit2z * movegroupClient_;
requiresClient(movegroupClient_);
//auto group_name = movegroupClient_->getOptions().group_name_;
std::string ns = movegroupClient_->getOptions().move_group_namespace_;
//auto topicname = "/joint_state_broadcaster_"UR5PREFIX"/joint_states";
std::string topicname = "/joint_states";
if (!ns.empty())
{
topicname = ns + "/" + topicname;
}
while(topicname.find("//") != std::string::npos)
{
topicname.replace(topicname.find("//"), 2, "/");
}
//rclcpp::SensorDataQoS qos;
rclcpp::SubscriptionOptions sub_option;
RCLCPP_INFO(getLogger(), "CbWaitJointState::onEntry, subscribing to topic %s", topicname.c_str());
sub_ = getNode()->create_subscription<sensor_msgs::msg::JointState>(
topicname, 20, std::bind(&CbWaitJointState::onMessageReceived, this, std::placeholders::_1),
sub_option);
mutex.lock();
}
private:
void onMessageReceived(const sensor_msgs::msg::JointState & /*msg*/)
{
RCLCPP_INFO(getLogger(), "CbWaitJointState::onMessageReceived, posting event");
postSuccessEvent();
mutex.unlock();
sub_ = nullptr; // unsuscribe
}
bool triggered = false;
std::mutex mutex;
rclcpp::Subscription<sensor_msgs::msg::JointState>::SharedPtr sub_;
};
}