pxmlw6n2f/Gazebo_Distributed_TCP/gazebo/transport/Subscriber.cc

74 lines
1.9 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.
*
*/
/* Desc: Handles a subscription to a topic
* Author: Nate Koenig
*/
#ifdef _WIN32
// Ensure that Winsock2.h is included before Windows.h, which can get
// pulled in by anybody (e.g., Boost).
#include <Winsock2.h>
#endif
#include "gazebo/transport/TopicManager.hh"
#include "gazebo/transport/Node.hh"
#include "gazebo/transport/Subscriber.hh"
using namespace gazebo;
using namespace transport;
//////////////////////////////////////////////////
Subscriber::Subscriber(const std::string &t, NodePtr _node)
: topic(t), node(_node)
{
}
//////////////////////////////////////////////////
Subscriber::~Subscriber()
{
this->Unsubscribe();
this->node.reset();
}
//////////////////////////////////////////////////
std::string Subscriber::GetTopic() const
{
return this->topic;
}
//////////////////////////////////////////////////
void Subscriber::Unsubscribe() const
{
if (this->node)
{
TopicManager::Instance()->Unsubscribe(this->topic, this->node);
this->node->RemoveCallback(this->topic, this->callbackId);
}
}
//////////////////////////////////////////////////
void Subscriber::SetCallbackId(unsigned int _id)
{
this->callbackId = _id;
}
//////////////////////////////////////////////////
unsigned int Subscriber::GetCallbackId() const
{
return this->callbackId;
}