#include <MqttModel.h>

Collaboration diagram for mqtt::mqttbroker::lib::MqttModel:

Classes
class	MqttModelEntry
class	EventReceiver

Public Member Functions
void	addClient (const std::string &clientId, Mqtt *mqtt)
void	delClient (const std::string &clientId)
std::map< std::string, MqttModelEntry > &	getClients ()
const Mqtt *	getMqtt (const std::string &clientId)
std::string	onlineSince ()
std::string	onlineDuration ()
void	addEventReceiver (const std::shared_ptr< express::Response > &response, const std::string &lastEventId)
void	publish (const iot::mqtt::packets::Publish &publish)

Static Public Member Functions
static MqttModel &	instance ()

Protected Attributes
std::map< std::string, MqttModelEntry >	modelMap
std::list< EventReceiver >	eventReceiverList
std::chrono::time_point< std::chrono::system_clock >	onlineSinceTimePoint
uint64_t	id = 0

Private Member Functions
	MqttModel ()
void	sendEvent (const std::string &data, const std::string &event="", const std::string &id="")

Static Private Member Functions
static std::string	timePointToString (const std::chrono::time_point< std::chrono::system_clock > &timePoint)
static std::string	durationToString (const std::chrono::time_point< std::chrono::system_clock > &bevore, const std::chrono::time_point< std::chrono::system_clock > &later=std::chrono::system_clock::now())

Detailed Description

Definition at line 71 of file MqttModel.h.

Constructor & Destructor Documentation

◆ MqttModel()

mqtt::mqttbroker::lib::MqttModel::MqttModel ( )

private

Definition at line 72 of file MqttModel.cpp.

73 : onlineSinceTimePoint(std::chrono::system_clock::now()) {

74 }

mqtt::mqttbroker::lib::MqttModel::onlineSinceTimePoint

std::chrono::time_point< std::chrono::system_clock > onlineSinceTimePoint

Definition MqttModel.h:136

References onlineSinceTimePoint.

Member Function Documentation

◆ addClient()

void mqtt::mqttbroker::lib::MqttModel::addClient	(	const std::string &	clientId,
		Mqtt *	mqtt )

Definition at line 116 of file MqttModel.cpp.

                                                                   {
        MqttModelEntry mqttModelEntry(mqtt);
 
        nlohmann::json json({href(mqtt->getClientId(), "/client?" + mqtt->getClientId(), windowId(mqtt->getClientId()), 450, 900),
                             mqttModelEntry.onlineSince(),
                             "<duration>" + mqttModelEntry.onlineDuration() + "</duration>",
                             mqtt->getConnectionName(),
                             mqtt->getMqttContext()->getSocketConnection()->getLocalAddress().toString(),
                             mqtt->getMqttContext()->getSocketConnection()->getRemoteAddress().toString(),
                             "<button class=\"red-btn\" onClick=\"disconnectClient('" + mqtt->getClientId() + "')\">Disconnect</button>"});
 
        sendEvent(json.dump(), "connect", std::to_string(id++));
 
        modelMap.emplace(clientId, std::move(mqttModelEntry));
    }

References mqtt::mqttbroker::lib::href(), id, modelMap, mqtt::mqttbroker::lib::MqttModel::MqttModelEntry::MqttModelEntry(), mqtt::mqttbroker::lib::MqttModel::MqttModelEntry::onlineDuration(), mqtt::mqttbroker::lib::MqttModel::MqttModelEntry::onlineSince(), sendEvent(), and mqtt::mqttbroker::lib::windowId().

Referenced by mqtt::mqttbroker::lib::Mqtt::onConnect().

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◆ addEventReceiver()

void mqtt::mqttbroker::lib::MqttModel::addEventReceiver	(	const std::shared_ptr< express::Response > &	response,
		const std::string &	lastEventId )

Definition at line 161 of file MqttModel.cpp.

                                                                                                                                  {
        auto& eventReceiver = eventReceiverList.emplace_back(response);
 
        response->getSocketContext()->onDisconnected([this, &eventReceiver]() {
            eventReceiverList.remove(eventReceiver);
        });
 
        for (auto& mqttModel : modelMap) {
            nlohmann::json json({href(mqttModel.first, "/client?" + mqttModel.first, windowId(mqttModel.first), 450, 900),
                                 mqttModel.second.onlineSince(),
                                 "<duration>" + mqttModel.second.onlineDuration() + "</duration>",
                                 mqttModel.second.getMqtt()->getConnectionName(),
                                 mqttModel.second.getMqtt()->getMqttContext()->getSocketConnection()->getLocalAddress().toString(),
                                 mqttModel.second.getMqtt()->getMqttContext()->getSocketConnection()->getRemoteAddress().toString(),
                                 "<button class=\"red-btn\" onClick=\"disconnectClient('" + mqttModel.second.getMqtt()->getClientId() +
                                     "')\">Disconnect</button>"});
 
            sendEvent(json.dump(), "connect", std::to_string(id++));
        }
    }

References eventReceiverList, mqtt::mqttbroker::lib::MqttModel::MqttModelEntry::getMqtt(), mqtt::mqttbroker::lib::href(), id, modelMap, mqtt::mqttbroker::lib::MqttModel::MqttModelEntry::onlineDuration(), mqtt::mqttbroker::lib::MqttModel::MqttModelEntry::onlineSince(), sendEvent(), and mqtt::mqttbroker::lib::windowId().

Referenced by getRouter().

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◆ delClient()

void mqtt::mqttbroker::lib::MqttModel::delClient ( const std::string & clientId )

Definition at line 132 of file MqttModel.cpp.

                                                       {
        sendEvent(clientId, "disconnect", std::to_string(id++));
 
        modelMap.erase(clientId);
    }

References id, modelMap, and sendEvent().

Referenced by mqtt::mqttbroker::lib::Mqtt::onDisconnected().

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◆ durationToString()

std::string mqtt::mqttbroker::lib::MqttModel::durationToString	(	const std::chrono::time_point< std::chrono::system_clock > &	bevore,
		const std::chrono::time_point< std::chrono::system_clock > &	later = std::chrono::system_clock::now() )

staticprivate

Definition at line 241 of file MqttModel.cpp.

                                                                                                     {
        using seconds_duration_type = std::chrono::duration<std::chrono::seconds::rep>::rep;
 
        seconds_duration_type totalSeconds = std::chrono::duration_cast<std::chrono::seconds>(later - bevore).count();
 
        // Compute days, hours, minutes, and seconds
        seconds_duration_type days = totalSeconds / 86400; // 86400 seconds in a day
        seconds_duration_type remainder = totalSeconds % 86400;
        seconds_duration_type hours = remainder / 3600;
        remainder = remainder % 3600;
        seconds_duration_type minutes = remainder / 60;
        seconds_duration_type seconds = remainder % 60;
 
        // Format the components into a string using stringstream
        std::ostringstream oss;
        if (days > 0) {
            oss << days << " day" << (days == 1 ? "" : "s") << ", ";
        }
        oss << std::setw(2) << std::setfill('0') << hours << ":" << std::setw(2) << std::setfill('0') << minutes << ":" << std::setw(2)
            << std::setfill('0') << seconds;
 
        return oss.str();
    }

◆ getClients()

std::map< std::string, MqttModel::MqttModelEntry > & mqtt::mqttbroker::lib::MqttModel::getClients ( )

Definition at line 138 of file MqttModel.cpp.

                                                                      {
        return modelMap;
    }

References modelMap.

◆ getMqtt()

const Mqtt * mqtt::mqttbroker::lib::MqttModel::getMqtt ( const std::string & clientId )

Definition at line 142 of file MqttModel.cpp.

                                                            {
        const Mqtt* mqtt = nullptr;
 
        auto modelIt = modelMap.find(clientId);
        if (modelIt != modelMap.end()) {
            mqtt = modelIt->second.getMqtt();
        }
 
        return mqtt;
    }

References mqtt::mqttbroker::lib::MqttModel::MqttModelEntry::getMqtt(), and modelMap.

Referenced by getRouter().

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◆ instance()

MqttModel & mqtt::mqttbroker::lib::MqttModel::instance ( )

static

Definition at line 76 of file MqttModel.cpp.

                                   {
        static MqttModel mqttModel;
 
        return mqttModel;
    }

Referenced by getRouter(), mqtt::mqttbroker::lib::Mqtt::onConnect(), mqtt::mqttbroker::lib::Mqtt::onDisconnected(), and mqtt::mqttbroker::lib::Mqtt::onPublish().

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◆ onlineDuration()

std::string mqtt::mqttbroker::lib::MqttModel::onlineDuration ( )

Definition at line 157 of file MqttModel.cpp.

                                        {
        return durationToString(onlineSinceTimePoint);
    }

References onlineSinceTimePoint.

Referenced by getOverviewPage().

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◆ onlineSince()

std::string mqtt::mqttbroker::lib::MqttModel::onlineSince ( )

Definition at line 153 of file MqttModel.cpp.

                                     {
        return timePointToString(onlineSinceTimePoint);
    }

References onlineSinceTimePoint.

Referenced by getOverviewPage().

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◆ publish()

void mqtt::mqttbroker::lib::MqttModel::publish ( const iot::mqtt::packets::Publish & publish )

Definition at line 182 of file MqttModel.cpp.

                                                                                 {
        /*
        if (publish.getRetain()) {
            sendEvent(publish.getTopic() + " : " + publish.getMessage(), "retain", std::to_string(id++));
        }
        */
    }

Referenced by mqtt::mqttbroker::lib::Mqtt::onPublish().

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◆ sendEvent()

void mqtt::mqttbroker::lib::MqttModel::sendEvent	(	const std::string &	data,
		const std::string &	event = "",
		const std::string &	id = "" )

private

Definition at line 209 of file MqttModel.cpp.

                                                                                                {
        for (auto& eventReceiver : eventReceiverList) {
            if (const auto& response = eventReceiver.response.lock()) {
                if (response->isConnected()) {
                    if (!event.empty()) {
                        response->sendFragment("event:" + event);
                    }
                    if (!id.empty()) {
                        response->sendFragment("id:" + id);
                    }
                    response->sendFragment("data:" + data);
                    response->sendFragment();
                }
            }
        }
    }

References eventReceiverList, and mqtt::mqttbroker::lib::MqttModel::EventReceiver::response.

Referenced by addClient(), addEventReceiver(), and delClient().

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◆ timePointToString()

std::string mqtt::mqttbroker::lib::MqttModel::timePointToString ( const std::chrono::time_point< std::chrono::system_clock > & timePoint )

staticprivate

Definition at line 226 of file MqttModel.cpp.

                                                                                                      {
        std::time_t time = std::chrono::system_clock::to_time_t(timePoint);
        std::tm* tm_ptr = std::gmtime(&time);
 
        char buffer[100];
        std::string onlineSince = "Formatting error";
 
        // Format: "2025-02-02 14:30:00"
        if (std::strftime(buffer, sizeof(buffer), "%Y-%m-%d %H:%M:%S", tm_ptr)) {
            onlineSince = std::string(buffer) + " UTC";
        }
 
        return onlineSince;
    }

Member Data Documentation

◆ eventReceiverList

std::list<EventReceiver> mqtt::mqttbroker::lib::MqttModel::eventReceiverList

protected

Definition at line 134 of file MqttModel.h.

Referenced by addEventReceiver(), and sendEvent().

◆ id

uint64_t mqtt::mqttbroker::lib::MqttModel::id = 0

protected

Definition at line 138 of file MqttModel.h.

Referenced by addClient(), addEventReceiver(), and delClient().

◆ modelMap

std::map<std::string, MqttModelEntry> mqtt::mqttbroker::lib::MqttModel::modelMap

protected

Definition at line 132 of file MqttModel.h.

Referenced by addClient(), addEventReceiver(), delClient(), getClients(), and getMqtt().

◆ onlineSinceTimePoint

std::chrono::time_point<std::chrono::system_clock> mqtt::mqttbroker::lib::MqttModel::onlineSinceTimePoint

protected

Definition at line 136 of file MqttModel.h.

Referenced by MqttModel(), onlineDuration(), and onlineSince().

The documentation for this class was generated from the following files:

mqttbroker/lib/MqttModel.h
mqttbroker/lib/MqttModel.cpp

MQTTSuite

Classes

Public Member Functions

Static Public Member Functions

Protected Attributes

Private Member Functions

Static Private Member Functions

Detailed Description

Constructor & Destructor Documentation

◆ MqttModel()

Member Function Documentation

◆ addClient()

◆ addEventReceiver()

◆ delClient()

◆ durationToString()

◆ getClients()

◆ getMqtt()

◆ instance()

◆ onlineDuration()

◆ onlineSince()

◆ publish()

◆ sendEvent()

◆ timePointToString()

Member Data Documentation

◆ eventReceiverList

◆ id

◆ modelMap

◆ onlineSinceTimePoint