ppovb5fc7/gazebo/examples/plugins/custom_messages/custom_messages.cc

58 lines
1.7 KiB
C++

/*
* Copyright (C) 2012 Open Source Robotics Foundation
*
* 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.
*
*/
#include <boost/bind.hpp>
#include "gazebo/transport/transport.hh"
#include "gazebo/physics/physics.hh"
#include "gazebo/gazebo.hh"
#include "msgs/custom.pb.h"
namespace gazebo
{
class CustomMessages : public ModelPlugin
{
public: void Load(physics::ModelPtr /*_parent*/, sdf::ElementPtr /*_sdf*/)
{
this->node.reset(new transport::Node());
this->pub = node->Advertise<my_msgs::Custom>("~/my_msgs");
// Listen to the update event. This event is broadcast every
// simulation iteration.
this->updateConnection = event::Events::ConnectWorldUpdateBegin(
boost::bind(&CustomMessages::OnUpdate, this));
}
// Called by the world update start event
public: void OnUpdate()
{
my_msgs::Custom msg;
msg.set_my_data("hello");
this->pub->Publish(msg);
}
// Pointer to the model
private: transport::NodePtr node;
private: transport::PublisherPtr pub;
// Pointer to the update event connection
private: event::ConnectionPtr updateConnection;
};
// Register this plugin with the simulator
GZ_REGISTER_MODEL_PLUGIN(CustomMessages);
}