Files
EMS-ESP32/lib/framework/MqttSettingsService.h
2022-12-15 23:14:44 +01:00

151 lines
3.8 KiB
C++

#ifndef MqttSettingsService_h
#define MqttSettingsService_h
#include <StatefulService.h>
#include <HttpEndpoint.h>
#include <FSPersistence.h>
#include <AsyncMqttClient.h>
#include <ESPUtils.h>
#include <uuid/common.h>
#define MQTT_RECONNECTION_DELAY 2000 // 2 seconds
#define MQTT_SETTINGS_FILE "/config/mqttSettings.json"
#define MQTT_SETTINGS_SERVICE_PATH "/rest/mqttSettings"
#ifndef FACTORY_MQTT_ENABLED
#define FACTORY_MQTT_ENABLED false
#endif
#ifndef FACTORY_MQTT_HOST
#define FACTORY_MQTT_HOST "test.mosquitto.org"
#endif
#ifndef FACTORY_MQTT_PORT
#define FACTORY_MQTT_PORT 1883
#endif
#ifndef FACTORY_MQTT_BASE
#define FACTORY_MQTT_BASE "ems-esp"
#endif
#ifndef FACTORY_MQTT_USERNAME
#define FACTORY_MQTT_USERNAME ""
#endif
#ifndef FACTORY_MQTT_PASSWORD
#define FACTORY_MQTT_PASSWORD ""
#endif
#ifndef FACTORY_MQTT_CLIENT_ID
#define FACTORY_MQTT_CLIENT_ID generateClientId()
static String generateClientId() {
return ESPUtils::defaultDeviceValue("esp32-");
}
#endif
#ifndef FACTORY_MQTT_KEEP_ALIVE
#define FACTORY_MQTT_KEEP_ALIVE 16
#endif
#ifndef FACTORY_MQTT_CLEAN_SESSION
#define FACTORY_MQTT_CLEAN_SESSION false
#endif
#ifndef FACTORY_MQTT_MAX_TOPIC_LENGTH
#define FACTORY_MQTT_MAX_TOPIC_LENGTH 128
#endif
#ifndef FACTORY_MQTT_MULTIPLE_INSTANCES
#define FACTORY_MQTT_MULTIPLE_INSTANCES true
#endif
class MqttSettings {
public:
// host and port - if enabled
bool enabled;
String host;
uint16_t port;
// username and password
String username;
String password;
// client id settings
String clientId;
// connection settings
uint16_t keepAlive;
bool cleanSession;
// multiple instances
bool multiple_instances;
// proddy EMS-ESP specific
String base;
uint16_t publish_time_boiler;
uint16_t publish_time_thermostat;
uint16_t publish_time_solar;
uint16_t publish_time_mixer;
uint16_t publish_time_other;
uint16_t publish_time_sensor;
uint16_t publish_time_heartbeat;
uint8_t mqtt_qos;
bool mqtt_retain;
bool ha_enabled;
uint8_t nested_format;
String discovery_prefix;
bool publish_single;
bool publish_single2cmd;
bool send_response;
static void read(MqttSettings & settings, JsonObject & root);
static StateUpdateResult update(JsonObject & root, MqttSettings & settings);
};
class MqttSettingsService : public StatefulService<MqttSettings> {
public:
MqttSettingsService(AsyncWebServer * server, FS * fs, SecurityManager * securityManager);
~MqttSettingsService();
void begin();
void loop();
bool isEnabled();
bool isConnected();
const char * getClientId();
AsyncMqttClientDisconnectReason getDisconnectReason();
AsyncMqttClient * getMqttClient();
protected:
void onConfigUpdated();
private:
HttpEndpoint<MqttSettings> _httpEndpoint;
FSPersistence<MqttSettings> _fsPersistence;
// Pointers to hold retained copies of the mqtt client connection strings.
// This is required as AsyncMqttClient holds references to the supplied connection strings.
char * _retainedHost;
char * _retainedClientId;
char * _retainedUsername;
char * _retainedPassword;
// variable to help manage connection
bool _reconfigureMqtt;
unsigned long _disconnectedAt;
// connection status
AsyncMqttClientDisconnectReason _disconnectReason;
// the MQTT client instance
AsyncMqttClient _mqttClient;
void WiFiEvent(WiFiEvent_t event, WiFiEventInfo_t info);
void onMqttConnect(bool sessionPresent);
void onMqttDisconnect(AsyncMqttClientDisconnectReason reason);
void configureMqtt();
};
#endif