Fork of the excellent esp8266-react - https://github.com/rjwats/esp8266-react
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125 lines
4.2 KiB
125 lines
4.2 KiB
#ifndef MqttSettingsService_h
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#define MqttSettingsService_h
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#include <StatefulService.h>
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#include <HttpEndpoint.h>
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#include <FSPersistence.h>
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#include <AsyncMqttClient.h>
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#define MQTT_RECONNECTION_DELAY 5000
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#define MQTT_SETTINGS_FILE "/config/mqttSettings.json"
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#define MQTT_SETTINGS_SERVICE_PATH "/rest/mqttSettings"
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#define MQTT_SETTINGS_SERVICE_DEFAULT_ENABLED false
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#define MQTT_SETTINGS_SERVICE_DEFAULT_HOST "test.mosquitto.org"
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#define MQTT_SETTINGS_SERVICE_DEFAULT_PORT 1883
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#define MQTT_SETTINGS_SERVICE_DEFAULT_USERNAME ""
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#define MQTT_SETTINGS_SERVICE_DEFAULT_PASSWORD ""
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#define MQTT_SETTINGS_SERVICE_DEFAULT_CLIENT_ID generateClientId()
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#define MQTT_SETTINGS_SERVICE_DEFAULT_KEEP_ALIVE 16
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#define MQTT_SETTINGS_SERVICE_DEFAULT_CLEAN_SESSION true
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#define MQTT_SETTINGS_SERVICE_DEFAULT_MAX_TOPIC_LENGTH 128
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static String generateClientId() {
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#ifdef ESP32
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return "esp32-" + String((unsigned long)ESP.getEfuseMac(), HEX);
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#elif defined(ESP8266)
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return "esp8266-" + String(ESP.getChipId(), HEX);
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#endif
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}
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class MqttSettings {
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public:
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// host and port - if enabled
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bool enabled;
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String host;
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uint16_t port;
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// username and password
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String username;
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String password;
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// client id settings
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String clientId;
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// connection settings
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uint16_t keepAlive;
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bool cleanSession;
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uint16_t maxTopicLength;
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static void serialize(MqttSettings& settings, JsonObject& root) {
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root["enabled"] = settings.enabled;
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root["host"] = settings.host;
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root["port"] = settings.port;
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root["username"] = settings.username;
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root["password"] = settings.password;
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root["client_id"] = settings.clientId;
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root["keep_alive"] = settings.keepAlive;
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root["clean_session"] = settings.cleanSession;
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root["max_topic_length"] = settings.maxTopicLength;
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}
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static void deserialize(JsonObject& root, MqttSettings& settings) {
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settings.enabled = root["enabled"] | MQTT_SETTINGS_SERVICE_DEFAULT_ENABLED;
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settings.host = root["host"] | MQTT_SETTINGS_SERVICE_DEFAULT_HOST;
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settings.port = root["port"] | MQTT_SETTINGS_SERVICE_DEFAULT_PORT;
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settings.username = root["username"] | MQTT_SETTINGS_SERVICE_DEFAULT_USERNAME;
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settings.password = root["password"] | MQTT_SETTINGS_SERVICE_DEFAULT_PASSWORD;
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settings.clientId = root["client_id"] | MQTT_SETTINGS_SERVICE_DEFAULT_CLIENT_ID;
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settings.keepAlive = root["keep_alive"] | MQTT_SETTINGS_SERVICE_DEFAULT_KEEP_ALIVE;
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settings.cleanSession = root["clean_session"] | MQTT_SETTINGS_SERVICE_DEFAULT_CLEAN_SESSION;
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settings.maxTopicLength = root["max_topic_length"] | MQTT_SETTINGS_SERVICE_DEFAULT_MAX_TOPIC_LENGTH;
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}
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};
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class MqttSettingsService : public StatefulService<MqttSettings> {
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public:
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MqttSettingsService(AsyncWebServer* server, FS* fs, SecurityManager* securityManager);
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~MqttSettingsService();
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void begin();
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void loop();
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bool isEnabled();
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bool isConnected();
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const char* getClientId();
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AsyncMqttClientDisconnectReason getDisconnectReason();
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AsyncMqttClient* getMqttClient();
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protected:
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void onConfigUpdated();
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private:
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HttpEndpoint<MqttSettings> _httpEndpoint;
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FSPersistence<MqttSettings> _fsPersistence;
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// Pointers to hold retained copies of the mqtt client connection strings.
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// Required as AsyncMqttClient holds refrences to the supplied connection strings.
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char* _retainedHost = nullptr;
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char* _retainedClientId = nullptr;
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char* _retainedUsername = nullptr;
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char* _retainedPassword = nullptr;
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AsyncMqttClient _mqttClient;
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bool _reconfigureMqtt;
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unsigned long _disconnectedAt;
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// connection status
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AsyncMqttClientDisconnectReason _disconnectReason;
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#ifdef ESP32
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void onStationModeGotIP(WiFiEvent_t event, WiFiEventInfo_t info);
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void onStationModeDisconnected(WiFiEvent_t event, WiFiEventInfo_t info);
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#elif defined(ESP8266)
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WiFiEventHandler _onStationModeDisconnectedHandler;
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WiFiEventHandler _onStationModeGotIPHandler;
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void onStationModeGotIP(const WiFiEventStationModeGotIP& event);
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void onStationModeDisconnected(const WiFiEventStationModeDisconnected& event);
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#endif
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void onMqttConnect(bool sessionPresent);
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void onMqttDisconnect(AsyncMqttClientDisconnectReason reason);
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void configureMqtt();
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};
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#endif // end MqttSettingsService_h
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