andrey
69b22bf95a
Guard PIConnection, thread primitives, PICodeParser and other feature code behind PIP_HAS_THREADS/PIP_HAS_FILESYSTEM. In CMake generate the feature flags summary from the single PIP_HAS_FLAGS list (used by the add_definitions loop as well), default ICU to OFF and make introspection also require PIP_HAS_SOCKET. Build system/thread test suites only when the corresponding feature flags are enabled.
138 lines
3.8 KiB
C++
138 lines
3.8 KiB
C++
//! \~\file pimqttclient.h
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//! \~\ingroup MQTT
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//! \~\brief
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//! \~english
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//! \~russian
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/*
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PIP - Platform Independent Primitives
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MQTT Client
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Ivan Pelipenko peri4ko@yandex.ru
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef pimqttclient_h
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#define pimqttclient_h
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#include "piliterals_time.h"
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#include "pimqtttypes.h"
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#include "pip_mqtt_client_export.h"
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#include "pithreadpoolworker.h"
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#if defined(PIP_HAS_SOCKET) && defined(PIP_HAS_THREADS)
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namespace PIMQTT {
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class PIP_MQTT_CLIENT_EXPORT Client: public PIObject {
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PIOBJECT(PIMQTT::Client)
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public:
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Client();
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virtual ~Client();
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//! \~english Request handler used by registered routes and fallback processing.
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//! \~russian Обработчик запроса, используемый зарегистрированными маршрутами и fallback-обработкой.
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using MessageFunction = std::function<void(const PIMQTT::MessageConst &)>;
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void setConnectTimeout(PISystemTime time) { connect_timeout = time; }
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void connect(const PIString & address, const PIString & client, const PIString & username = {}, const PIString & password = {});
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void disconnect();
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void subscribe(const PIString & topic, MessageFunction functor, QoS qos = QoS::Level1);
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template<typename T>
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void
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subscribe(const PIString & topic, T * o, PIMQTT::MessageMutable (T::*function)(const PIMQTT::MessageConst &), QoS qos = QoS::Level1) {
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subscribe(topic, [o, function](const PIMQTT::MessageConst & m) { return (o->*function)(m); }, qos);
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}
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void unsubscribe(const PIString & topic);
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void unsubscribeAll();
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void publish(const PIString & topic, const PIByteArray & msg, QoS qos = QoS::Level0);
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void publish(const MessageConst & msg);
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bool isConnecting() const { return m_status == Connecting; }
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bool isConnected() const { return m_status == Connected; }
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PIStringList usedTopics() const;
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EVENT0(connected);
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EVENT1(disconnected, PIMQTT::Error, code);
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EVENT1(receivedUnhandled, PIMQTT::MessageConst, message);
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struct Endpoint;
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private:
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NO_COPY_CLASS(Client)
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PRIVATE_DECLARATION(PIP_MQTT_CLIENT_EXPORT)
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enum Status {
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Idle,
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Connecting,
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Connected,
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};
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struct ConnectInfo {
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PIString address;
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PIString clientID;
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PIString username;
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PIString password;
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};
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struct Subscribe {
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PIString topic;
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MessageFunction functor;
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QoS qos;
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};
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void mqtt_connectionLost();
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void mqtt_deliveryComplete(int token);
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void mqtt_messageArrived(MessageMutable & msg);
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PIString registerSubscribe(const Subscribe & sub);
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PIString unregisterSubscribe(const PIString & mqtt_topic);
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void unregisterAll();
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void connectInternal(const ConnectInfo & ci);
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void disconnectInternal();
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void publishInternal(const MessageConst & m);
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void subscribeInternal(const Subscribe & sub);
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void unsubscribeInternal(const PIString & mqtt_topic);
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void destroy();
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void changeStatus(Status s);
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void run();
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// from HTTP format
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static PIString convertTopic2MQTT(const PIString & topic);
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// from MQTT format
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static PIString convertTopic2HTTP(const PIString & topic);
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std::atomic_int m_status = {Idle};
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std::atomic_bool is_destoying = {false};
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PISystemTime connect_timeout = 10_s;
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PIThreadPoolWorker * worker = nullptr;
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};
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}; // namespace PIMQTT
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#endif // PIP_HAS_SOCKET && PIP_HAS_THREADS
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#endif
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