protected override void OnStart()
{
_storageService.SafeReadSerializedValue(out _options, DefaultDirectoryNames.Configuration, MqttServiceOptions.Filename);
IsLowLevelMqttLoggingEnabled = _options.EnableLogging;
var mqttFactory = new MqttFactory();
IMqttNetLogger mqttNetLogger;
if (IsLowLevelMqttLoggingEnabled)
{
mqttNetLogger = new LoggerAdapter(_logger);
}
else
{
mqttNetLogger = new MqttNetLogger();
}
_webSocketServerAdapter = new MqttWebSocketServerAdapter(mqttNetLogger);
var serverAdapters = new List <IMqttServerAdapter>
{
new MqttTcpServerAdapter(mqttNetLogger),
_webSocketServerAdapter
};
_mqttServer = mqttFactory.CreateMqttServer(serverAdapters, mqttNetLogger);
_mqttServer.UseApplicationMessageReceivedHandler(new MqttApplicationMessageReceivedHandlerDelegate(e => OnApplicationMessageReceived(e)));
var serverOptions = new MqttServerOptionsBuilder()
.WithDefaultEndpointPort(_options.ServerPort)
.WithConnectionValidator(ValidateClientConnection)
.WithPersistentSessions();
if (_options.PersistRetainedMessages)
{
var storage = new MqttServerStorage(_storageService, _systemCancellationToken, _logger);
storage.Start();
serverOptions.WithStorage(storage);
}
_mqttServer.StartAsync(serverOptions.Build()).GetAwaiter().GetResult();
_systemCancellationToken.Token.Register(() =>
{
_mqttServer.StopAsync().GetAwaiter().GetResult();
});
ParallelTask.StartLongRunning(ProcessIncomingMqttMessages, _systemCancellationToken.Token, _logger);
}
public MqttServerService(
MqttSettingsModel mqttSettings,
CustomMqttFactory mqttFactory,
MqttClientConnectedHandler mqttClientConnectedHandler,
MqttClientDisconnectedHandler mqttClientDisconnectedHandler,
MqttClientSubscribedTopicHandler mqttClientSubscribedTopicHandler,
MqttClientUnsubscribedTopicHandler mqttClientUnsubscribedTopicHandler,
MqttServerConnectionValidator mqttConnectionValidator,
MqttSubscriptionInterceptor mqttSubscriptionInterceptor,
MqttUnsubscriptionInterceptor mqttUnsubscriptionInterceptor,
MqttApplicationMessageInterceptor mqttApplicationMessageInterceptor,
MqttServerStorage mqttServerStorage,
PythonScriptHostService pythonScriptHostService,
ILogger <MqttServerService> logger)
{
_settings = mqttSettings ?? throw new ArgumentNullException(nameof(mqttSettings));
_mqttClientConnectedHandler = mqttClientConnectedHandler ?? throw new ArgumentNullException(nameof(mqttClientConnectedHandler));
_mqttClientDisconnectedHandler = mqttClientDisconnectedHandler ?? throw new ArgumentNullException(nameof(mqttClientDisconnectedHandler));
_mqttClientSubscribedTopicHandler = mqttClientSubscribedTopicHandler ?? throw new ArgumentNullException(nameof(mqttClientSubscribedTopicHandler));
_mqttClientUnsubscribedTopicHandler = mqttClientUnsubscribedTopicHandler ?? throw new ArgumentNullException(nameof(mqttClientUnsubscribedTopicHandler));
_mqttConnectionValidator = mqttConnectionValidator ?? throw new ArgumentNullException(nameof(mqttConnectionValidator));
_mqttSubscriptionInterceptor = mqttSubscriptionInterceptor ?? throw new ArgumentNullException(nameof(mqttSubscriptionInterceptor));
_mqttUnsubscriptionInterceptor = mqttUnsubscriptionInterceptor ?? throw new ArgumentNullException(nameof(mqttUnsubscriptionInterceptor));
_mqttApplicationMessageInterceptor = mqttApplicationMessageInterceptor ?? throw new ArgumentNullException(nameof(mqttApplicationMessageInterceptor));
_mqttServerStorage = mqttServerStorage ?? throw new ArgumentNullException(nameof(mqttServerStorage));
_pythonScriptHostService = pythonScriptHostService ?? throw new ArgumentNullException(nameof(pythonScriptHostService));
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
_webSocketServerAdapter = new MqttWebSocketServerAdapter(mqttFactory.Logger);
var adapters = new List <IMqttServerAdapter>
{
new MqttTcpServerAdapter(mqttFactory.Logger)
{
TreatSocketOpeningErrorAsWarning = true // Opening other ports than for HTTP is not allows in Azure App Services.
},
_webSocketServerAdapter
};
_mqttServer = mqttFactory.CreateMqttServer(adapters);
}
public MqttServerService(
MqttSettingsModel mqttSettings,
MqttClientConnectedHandler mqttClientConnectedHandler,
MqttClientDisconnectedHandler mqttClientDisconnectedHandler,
MqttClientSubscribedTopicHandler mqttClientSubscribedTopicHandler,
MqttClientUnsubscribedTopicHandler mqttClientUnsubscribedTopicHandler,
MqttServerConnectionValidator mqttConnectionValidator,
MqttSubscriptionInterceptor mqttSubscriptionInterceptor,
MqttUnsubscriptionInterceptor mqttUnsubscriptionInterceptor,
MqttApplicationMessageInterceptor mqttApplicationMessageInterceptor,
ILogger <MqttServerService> logger)
{
_settings = mqttSettings ?? throw new ArgumentNullException(nameof(mqttSettings));
_mqttClientConnectedHandler = mqttClientConnectedHandler ?? throw new ArgumentNullException(nameof(mqttClientConnectedHandler));
_mqttClientDisconnectedHandler = mqttClientDisconnectedHandler ?? throw new ArgumentNullException(nameof(mqttClientDisconnectedHandler));
_mqttClientSubscribedTopicHandler = mqttClientSubscribedTopicHandler ?? throw new ArgumentNullException(nameof(mqttClientSubscribedTopicHandler));
_mqttClientUnsubscribedTopicHandler = mqttClientUnsubscribedTopicHandler ?? throw new ArgumentNullException(nameof(mqttClientUnsubscribedTopicHandler));
_mqttConnectionValidator = mqttConnectionValidator ?? throw new ArgumentNullException(nameof(mqttConnectionValidator));
_mqttSubscriptionInterceptor = mqttSubscriptionInterceptor ?? throw new ArgumentNullException(nameof(mqttSubscriptionInterceptor));
_mqttUnsubscriptionInterceptor = mqttUnsubscriptionInterceptor ?? throw new ArgumentNullException(nameof(mqttUnsubscriptionInterceptor));
_mqttApplicationMessageInterceptor = mqttApplicationMessageInterceptor ?? throw new ArgumentNullException(nameof(mqttApplicationMessageInterceptor));
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
var mqttFactory = new MqttFactory();
_webSocketServerAdapter = new MqttWebSocketServerAdapter(mqttFactory.DefaultLogger);
var adapters = new List <IMqttServerAdapter>
{
new MqttTcpServerAdapter(mqttFactory.DefaultLogger)
{
TreatSocketOpeningErrorAsWarning = true
},
_webSocketServerAdapter
};
_mqttServer = mqttFactory.CreateMqttServer(adapters);
// Make this object available to message interceptor class avoiding
// circular references created when using dependency injection.
_mqttApplicationMessageInterceptor.SetServerService(this);
}
public MqttServerService(
SettingsModel settings,
CustomMqttFactory mqttFactory,
MqttClientConnectedHandler mqttClientConnectedHandler,
MqttClientDisconnectedHandler mqttClientDisconnectedHandler,
MqttClientSubscribedTopicHandler mqttClientSubscribedTopicHandler,
MqttClientUnsubscribedTopicHandler mqttClientUnsubscribedTopicHandler,
MqttConnectionValidator mqttConnectionValidator,
MqttSubscriptionInterceptor mqttSubscriptionInterceptor,
MqttApplicationMessageInterceptor mqttApplicationMessageInterceptor,
MqttServerStorage mqttServerStorage,
PythonScriptHostService pythonScriptHostService,
ILogger <MqttServerService> logger)
{
_settings = settings ?? throw new ArgumentNullException(nameof(settings));
_mqttClientConnectedHandler = mqttClientConnectedHandler ?? throw new ArgumentNullException(nameof(mqttClientConnectedHandler));
_mqttClientDisconnectedHandler = mqttClientDisconnectedHandler ?? throw new ArgumentNullException(nameof(mqttClientDisconnectedHandler));
_mqttClientSubscribedTopicHandler = mqttClientSubscribedTopicHandler ?? throw new ArgumentNullException(nameof(mqttClientSubscribedTopicHandler));
_mqttClientUnsubscribedTopicHandler = mqttClientUnsubscribedTopicHandler ?? throw new ArgumentNullException(nameof(mqttClientUnsubscribedTopicHandler));
_mqttConnectionValidator = mqttConnectionValidator ?? throw new ArgumentNullException(nameof(mqttConnectionValidator));
_mqttSubscriptionInterceptor = mqttSubscriptionInterceptor ?? throw new ArgumentNullException(nameof(mqttSubscriptionInterceptor));
_mqttApplicationMessageInterceptor = mqttApplicationMessageInterceptor ?? throw new ArgumentNullException(nameof(mqttApplicationMessageInterceptor));
_mqttServerStorage = mqttServerStorage ?? throw new ArgumentNullException(nameof(mqttServerStorage));
_pythonScriptHostService = pythonScriptHostService ?? throw new ArgumentNullException(nameof(pythonScriptHostService));
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
_webSocketServerAdapter = new MqttWebSocketServerAdapter(mqttFactory.Logger.CreateChildLogger());
var adapters = new List <IMqttServerAdapter>
{
new MqttTcpServerAdapter(mqttFactory.Logger.CreateChildLogger()),
_webSocketServerAdapter
};
_mqttServer = mqttFactory.CreateMqttServer(adapters);
}
