nodelets.cpp

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/* +------------------------------------------------------------------------+
   |                     Mobile Robot Programming Toolkit (MRPT)            |
   |                          http://www.mrpt.org/                          |
   |                                                                        |
   | Copyright (c) 2005-2018, Individual contributors, see AUTHORS file     |
   | See: http://www.mrpt.org/Authors - All rights reserved.                |
   | Released under BSD License. See details in http://www.mrpt.org/License |
   +------------------------------------------------------------------------+ */

#include "comms-precomp.h"  // Precompiled headers

#include <mrpt/comms/nodelets.h>

using namespace mrpt::comms;

// ------- Subscriber --------------
Subscriber::Subscriber(
    std::function<void(const std::any&)>&& func,
    std::function<void()>&& cleanup)
    : m_func(std::move(func)), m_cleanup(std::move(cleanup))
{
}

Subscriber::~Subscriber() { m_cleanup(); }

Subscriber::Ptr Subscriber::create(
    std::function<void(const std::any&)>&& func,
    std::function<void()>&& cleanup)
{
    return Ptr(new Subscriber(std::move(func), std::move(cleanup)));
}

void Subscriber::pub(const std::any& a) { m_func(a); }

// ------- Topic --------------
Topic::Topic(std::function<void()>&& cleanup) : m_cleanup(std::move(cleanup)) {}
Topic::~Topic() { m_cleanup(); }

void Topic::publish(const std::any& any)
{
    std::lock_guard<std::mutex> lock(m_mutex);
    for (auto& sub : m_subs)
    {
        sub.lock()->pub(any);
    }
}

void Topic::cleanupSubscriber(std::list<std::weak_ptr<Subscriber>>::iterator it)
{
    std::lock_guard<std::mutex> lock(m_mutex);
    m_subs.erase(it);
}

// -------------- TopicDirectory ---------------------
TopicDirectory::TopicDirectory() {}

void TopicDirectory::cleanupTopic(const std::string& key)
{
    std::lock_guard<std::mutex> lock(m_mutex);
    m_mapService.erase(m_mapService.find(key));
}

TopicDirectory::Ptr TopicDirectory::create() { return Ptr(new TopicDirectory); }