mqtt_channel_handler.h

/*
 * Copyright (C) AC SOFTWARE SP. Z O.O
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 */
 
#ifndef SRC_SUPLA_PROTOCOL_MQTT_CHANNEL_HANDLER_H_
#define SRC_SUPLA_PROTOCOL_MQTT_CHANNEL_HANDLER_H_
 
#include <stdint.h>
 
namespace Supla {
class Element;
namespace Protocol {
 
class Mqtt;
 
class MqttChannelHandler {
 public:
  virtual ~MqttChannelHandler() = default;
 
  virtual int mqttHandledChannelType() const = 0;
 
  virtual void mqttPublishChannelState(Mqtt *mqtt, Supla::Element *element) = 0;
  virtual void mqttSubscribeChannel(Mqtt *mqtt, Supla::Element *element) = 0;
  virtual bool mqttProcessData(Mqtt *mqtt,
                               const char *topic_part,
                               const char *payload,
                               Supla::Element *element) = 0;
  virtual void mqttPublishHADiscovery(Mqtt *mqtt, Supla::Element *element) = 0;
 
  MqttChannelHandler *mqttNextHandler() const {
    return nextHandler;
  }
 
 private:
  friend class Mqtt;
  MqttChannelHandler *nextHandler = nullptr;
};
 
}  // namespace Protocol
}  // namespace Supla
 
#endif  // SRC_SUPLA_PROTOCOL_MQTT_CHANNEL_HANDLER_H_