public static IManagedMqttClient UseConnectedHandler(this IManagedMqttClient client, Action <MqttClientConnectedEventArgs> handler)
{
if (client == null)
{
throw new ArgumentNullException(nameof(client));
}
if (handler == null)
{
return(client.UseConnectedHandler((IMqttClientConnectedHandler)null));
}
return(client.UseConnectedHandler(new MqttClientConnectedHandlerDelegate(handler)));
}
//MQTTClient topic cancelling subscription
public static void ManagedMqttUnsubscribe(IManagedMqttClient managedMqttClient, string mqttTopic)
{
managedMqttClient.UseConnectedHandler(async e =>
{
await managedMqttClient.UnsubscribeAsync(mqttTopic);
});
}
public MqttService(
IOptions <MqttOptions> mqttOptions,
ILogger <MqttService> logger,
DeviceState deviceState,
IServiceScopeFactory serviceScopeFactory)
{
_mqttOptions = mqttOptions.Value;
_logger = logger;
_deviceState = deviceState;
_serviceScopeFactory = serviceScopeFactory;
_client = new MqttFactory().CreateManagedMqttClient();
_client.UseApplicationMessageReceivedHandler(e =>
{
HandleMqttMessage(e);
});
_client.UseConnectedHandler(e =>
{
HandleMqttConnected(e);
});
_client.UseDisconnectedHandler(e =>
{
HandleMqttDisconnected(e);
});
}
public bool TryConnect()
{
lock (_syncRoot)
{
if (IsConnected)
{
// prevent duplicated concurrent re-connection
return(true);
}
if (!_mqttClient.IsStarted)
{
_logger.LogInformation("Mqtt Client is trying to connect");
_mqttClient.StartAsync(_clientOptions).Wait();
_mqttClient.UseConnectedHandler(e => { _logger.LogInformation("MQTT Server connected!"); });
_mqttClient.UseDisconnectedHandler((e) =>
{
_logger.LogError("MQTT Server disconnected: " + e?.Exception?.Message);
});
}
return(_mqttClient.IsConnected);
}
}
public MqttService(IHubContext <DevicesHub> hubContext)
{
#if true
_hubContext = hubContext;
var messageBuilder = new MqttClientOptionsBuilder().WithClientId(clientId) /*.WithCredentials(mqttUser, mqttPassword)*/.WithTcpServer(mqttURI, mqttPort).WithCleanSession();
var options = mqttSecure
? messageBuilder
.WithTls()
.Build()
: messageBuilder
.Build();
var managedOptions = new ManagedMqttClientOptionsBuilder().WithAutoReconnectDelay(TimeSpan.FromSeconds(5))
.WithClientOptions(options)
.Build();
client = new MqttFactory().CreateManagedMqttClient();
client.StartAsync(managedOptions);
client.UseConnectedHandler(ClientConnectedHandler);
//client.UseDisconnectedHandler(ClientDisconnectedHandler);
client.ConnectingFailedHandler = new ConnectingFailedHandlerDelegate(OnConnectingFailed);
client.UseApplicationMessageReceivedHandler(ClientMessageReceivedHandler);
#endif
}
private async void OnStarted()
{
var brokerSettings = _configuration.GetSection("BrokerSettings").Get <BrokerSettings>();
var options = new ManagedMqttClientOptionsBuilder()
.WithAutoReconnectDelay(TimeSpan.FromSeconds(5))
.WithClientOptions(new MqttClientOptionsBuilder()
.WithClientId(_serviceSettings.NodeId)
.WithTcpServer(brokerSettings.Host, brokerSettings.Port)
.WithCredentials(brokerSettings.Username, brokerSettings.Password)
.WithCleanSession(false)
.Build())
.Build();
_client.UseConnectedHandler(handler =>
{
_logger.LogInformation("Connected successfully with MQTT Brokers.");
});
_client.UseDisconnectedHandler(handler =>
{
_logger.LogWarning("Disconnected from MQTT Brokers.");
});
await _client.StartAsync(options);
_timer = new Timer(HandleTimerCallback, null, TimeSpan.Zero,
TimeSpan.FromMilliseconds(_serviceSettings.TimeSpan));
}
public MqttSink(MqttSinkOptions options, IManagedMqttClient client) : base(options)
{
MqttClient = client;
Topics = options.Topics.ToList();
Options = options;
var builder = new MqttClientOptionsBuilder()
.WithTcpServer(options.Server, options.Port);
if (options.Password != null && options.Username != null)
{
builder = builder.WithCredentials(options.Username, options.Password);
}
var clientOptions = builder.Build();
MqttClientOptions = new ManagedMqttClientOptionsBuilder()
.WithPendingMessagesOverflowStrategy(MQTTnet.Server.MqttPendingMessagesOverflowStrategy.DropOldestQueuedMessage)
.WithClientOptions(clientOptions)
.WithMaxPendingMessages(1).WithAutoReconnectDelay(TimeSpan.FromSeconds(10)).Build();
MqttClient.UseDisconnectedHandler(HandleDisconnected);
MqttClient.UseConnectedHandler(HandleConnected);
client.StartAsync(MqttClientOptions).Wait();
Next.Subscribe(payload =>
{
Publish(payload).Wait();
});
}
/// <summary>
/// Start the service by building the MQTT configuration
/// </summary>
/// <param name="cancellationToken"></param>
/// <returns></returns>
public async Task StartAsync(CancellationToken cancellationToken)
{
_client = new MqttFactory().CreateManagedMqttClient();
// Setup and start a managed MQTT client.
var mqttClientOptions = new ManagedMqttClientOptionsBuilder()
.WithAutoReconnectDelay(TimeSpan.FromSeconds(5))
.WithClientOptions(new MqttClientOptionsBuilder()
.WithCommunicationTimeout(TimeSpan.FromSeconds(10))
.WithTcpServer(_options.BrokerAddress, _options.BrokerPort)
.Build())
.Build();
_client.UseConnectedHandler(async e =>
{
_logger.LogInformation("### CONNECTED WITH SERVER ###");
await _client.SubscribeAsync(new TopicFilterBuilder().WithTopic(typeof(T).GetTopicName()).Build());
_logger.LogInformation("### SUBSCRIBED ###");
});
_client.UseApplicationMessageReceivedHandler(e =>
{
var obj = JsonConvert.DeserializeObject <T>(Encoding.UTF8.GetString(e.ApplicationMessage.Payload));
_topicHandler.Work(_client, obj);
});
_logger.LogInformation($"Connecting to server [{JsonConvert.SerializeObject(mqttClientOptions)}]...");
await _client.StartAsync(mqttClientOptions);
}
public static async Task ConnectAsync()
{
var clientId = Guid.NewGuid().ToString();
var mqttURI = "localhost";
var mqttUser = "******";
var mqttPassword = "******";
var mqttPort = 1883;
var messageBuilder = new MqttClientOptionsBuilder()
.WithClientId(clientId)
.WithCredentials(mqttUser, mqttPassword)
.WithTcpServer(mqttURI, mqttPort)
.WithCleanSession();
var options = messageBuilder
.Build();
var managedOptions = new ManagedMqttClientOptionsBuilder()
.WithAutoReconnectDelay(TimeSpan.FromSeconds(5))
.WithClientOptions(options)
.Build();
await client.StartAsync(managedOptions);
client.UseConnectedHandler(e => { Console.WriteLine("Connected successfully with MQTT Brokers."); });
client.UseDisconnectedHandler(e => { Console.WriteLine("Disconnected from MQTT Brokers."); });
}
private static async Task ConnectAsync()
{
string mqttUri = configuration["mqttServerIp"];
//const string mqttUri = "localhost";
var mqttUser = configuration["mqttUser"];
var mqttPassword = configuration["mqttPassword"];
var mqttPort = Convert.ToInt32(configuration["mqttPort"]);
Console.WriteLine($"MQTT Server:{mqttUri} Username:{mqttUser} ClientID:{clientId}");
var messageBuilder = new MqttClientOptionsBuilder()
.WithClientId(clientId)
.WithCredentials(mqttUser, mqttPassword)
.WithTcpServer(mqttUri, mqttPort)
.WithKeepAlivePeriod(new TimeSpan(0, 0, 30))
.WithCleanSession();
var options = messageBuilder
.Build();
var managedOptions = new ManagedMqttClientOptionsBuilder()
.WithAutoReconnectDelay(TimeSpan.FromSeconds(2))
.WithClientOptions(options)
.Build();
await client.StartAsync(managedOptions);
client.UseConnectedHandler(e => { Console.WriteLine("Connected successfully with MQTT Brokers."); });
client.UseDisconnectedHandler(e =>
{
new MqttClientDisconnectedHandlerDelegate(e => MqttClient_Disconnected(e));
Console.WriteLine("Disconnected from MQTT Brokers.Client Was Connected " + e.ClientWasConnected);
});
client.UseApplicationMessageReceivedHandler(e =>
{
try
{
var topic = e.ApplicationMessage.Topic;
if (!string.IsNullOrWhiteSpace(topic))
{
var payload = HelperFunctions.GetPayload(e.ApplicationMessage.Payload);
Console.WriteLine($"Topic: {topic}. Message Received: {JsonConvert.SerializeObject(payload, Formatting.Indented)}");
var platoonId = topic.Replace("platooning/" + clientId + "/", "").Split("/").Last();
if (payload.Maneuver == 2)
{
_ = SubscribeAsync($@"platooning/broadcast/{platoonId}/#");
Console.WriteLine("Client SubscribeAsync as " + "platooning/broadcast/" + platoonId + "/#");
}
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message, ex);
}
});
}
//MQTTClient topic subscription
public static void ManagedMqttSubscribe(IManagedMqttClient managedMqttClient, string mqttTopic)
{
managedMqttClient.UseConnectedHandler(async e =>
{
// Subscribe to a topic
await managedMqttClient.SubscribeAsync(new TopicFilter {
Topic = mqttTopic, QualityOfServiceLevel = MqttQualityOfServiceLevel.AtMostOnce
});
});
}
static void Main(string[] args)
{
WebClient webclient = new WebClient();
Console.WriteLine("Started mqtt influx exporter");
Task.Run(async() =>
{
await ConnectAsync();
client.UseConnectedHandler(e =>
{
Console.WriteLine("Connected successfully with MQTT Brokers.");
});
client.UseDisconnectedHandler(e =>
{
Console.WriteLine("Disconnected from MQTT Brokers.");
});
client.UseApplicationMessageReceivedHandler(e =>
{
try
{
string topic = e.ApplicationMessage.Topic;
if (string.IsNullOrWhiteSpace(topic) == false)
{
string payload = Encoding.UTF8.GetString(e.ApplicationMessage.Payload);
if (Environment.GetEnvironmentVariable("LOG_MQTT").ToLower() == "true")
{
Console.WriteLine($"Topic: {topic}. Message Received: {payload}");
}
string[] topicParts = topic.Split("/");
// "temperature, type="weather", device="mcu12390u0adaksnjl", value=25.23, timestamp (optional, nanosecond unix time)
string influxPayload = topicParts[2] + ",type=" + topicParts[1] + ",device=" + topicParts[3] + " value=" + payload;
string url = Environment.GetEnvironmentVariable("INFLUXDB_URL");
if (string.IsNullOrEmpty(url))
{
url = "http://192.168.10.31:8086/write?db=iot";
}
var response = webclient.UploadString(url, influxPayload);
//Console.WriteLine(response);
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message, ex);
}
});
// Subscribe to channels
_ = SubscribeAsync("iot/weather/+/+", 1);
});
// Prevent immediate exit
_quitEvent.WaitOne();
}
public static async Task WaitForConnectAsync(this IManagedMqttClient client, CancellationToken token = default)
{
var asyncManualResetEvent = new Nito.AsyncEx.AsyncManualResetEvent(false);
var oldHandler = client.ConnectedHandler;
client.UseConnectedHandler(e =>
{
asyncManualResetEvent.Set();
});
await asyncManualResetEvent.WaitAsync(token);
client.ConnectedHandler = oldHandler;
}
/// <summary>
/// Starts the MQTT Client.
/// </summary>
/// <returns></returns>
public async Task Start()
{
if (managedMqttClient != null)
{
return;
}
managedMqttClient = new MqttFactory().CreateManagedMqttClient();
IMqttClientOptions mqttClientOptions = new MqttClientOptionsBuilder()
.WithTcpServer(host, tcpPort)
.WithCredentials(user, pass)
.Build();
ManagedMqttClientOptions managedMqttClientOptions = new ManagedMqttClientOptionsBuilder()
.WithClientOptions(mqttClientOptions)
.Build();
managedMqttClient.UseApplicationMessageReceivedHandler(e =>
{
IngestMessage(e.ApplicationMessage);
return(Task.CompletedTask);
});
managedMqttClient.UseConnectedHandler(e =>
{
OnStatusUpdate(this, "MQTT connected.");
});
managedMqttClient.UseDisconnectedHandler(e =>
{
if (e.ClientWasConnected)
{
OnStatusUpdate(this, "MQTT disconnected.");
}
else
{
OnStatusUpdate(this, "MQTT failed to connect.");
}
});
managedMqttClient.ConnectingFailedHandler = new ConnectingFailedHandlerDelegate(e =>
{
OnError(this, "MQTT connection failed: " + e.Exception.FlattenMessages());
});
await managedMqttClient.StartAsync(managedMqttClientOptions);
string topic = "rtl_433/+/devices/#";
OnStatusUpdate(this, "Will subscribe to topic \"" + topic + "\"");
await managedMqttClient.SubscribeAsync(topic);
}
public static async Task StartListener()
{
var mqttClientOptions = new MqttClientOptionsBuilder()
.WithClientId("server")
.WithTcpServer("localhost", 1884)
.Build();
listener = new MqttFactory().CreateManagedMqttClient();
var opt = new ManagedMqttClientOptionsBuilder()
.WithAutoReconnectDelay(TimeSpan.FromSeconds(5))
.WithClientOptions(mqttClientOptions)
.Build();
listener.UseApplicationMessageReceivedHandler(context =>
{
Payload payload = null;
var type = PayloadUtilities.FindBinaryPayloadType(context.ApplicationMessage.Payload);
switch (type)
{
case PayloadTypes.Generic:
payload = new Payload();
break;
case PayloadTypes.Moisture:
payload = new MoisturePayload();
break;
case PayloadTypes.Light:
payload = new LightPayload();
break;
default:
Console.WriteLine($"Received packet type '{type.ToString()}' with no handler.");
return;
}
payload.FromBytes(context.ApplicationMessage.Payload);
payload.SendInflux(connection, "plant");
Console.WriteLine(payload.ToString());
});
listener.UseConnectedHandler(async e =>
{
await listener.SubscribeAsync(new TopicFilterBuilder().WithTopic("#").Build());
});
await listener.StartAsync(opt);
}
public async Task StartAsync(CancellationToken cancellationToken)
{
_logger.LogInformation("MQTT background Service is starting ");
await this.ConnectAsync();
if (_client.IsStarted)
{
_logger.LogInformation("client is started");
}
_client.UseConnectedHandler(ConnectHandler);
_client.UseDisconnectedHandler(DisconnectHandler);
_client.UseApplicationMessageReceivedHandler(MessageRecievedHandler);
await _client.SubscribeAsync("ESP/TOLLCOLLECTION");
}
public void Setup()
{
client.UseApplicationMessageReceivedHandler(e =>
{
Console.WriteLine("");
Console.WriteLine("### RECEIVED APPLICATION MESSAGE ###");
Console.WriteLine($"+ Topic = {e.ApplicationMessage.Topic}");
Console.WriteLine($"+ Payload = {Encoding.UTF8.GetString(e.ApplicationMessage.Payload)}");
Console.WriteLine($"+ QoS = {e.ApplicationMessage.QualityOfServiceLevel}");
Console.WriteLine($"+ Retain = {e.ApplicationMessage.Retain}");
Console.WriteLine();
// Task.Run(() => client.PublishAsync("hello/world"));
if (e.ApplicationMessage.Topic == "master/start")
{
if (!recording)
{
recording = true;
publish("\nStart Signal received", "master/response");
_recorder.record();
}
}
else if (e.ApplicationMessage.Topic == "master/stop")
{
if (recording)
{
recording = false;
publish("\nStop Signal received", "master/response");
_recorder.stop();
}
}
});
client.UseDisconnectedHandler(e => {
Console.WriteLine("Attempting to Connect to " + MasterIP);
Console.WriteLine("\nDisconnected from MQTT Broker!");
connected = false;
});
client.UseConnectedHandler(c => {
Console.WriteLine("\nConnected to MQTT Broker @ " + MasterIP + ":" + MasterPort + "!");
connected = true;
});
}
private async void OnStarted()
{
var brokerSettings = _configuration.GetSection("BrokerSettings").Get <BrokerSettings>();
var options = new ManagedMqttClientOptionsBuilder()
.WithAutoReconnectDelay(TimeSpan.FromSeconds(5))
.WithClientOptions(new MqttClientOptionsBuilder()
.WithClientId("bff")
.WithTcpServer(brokerSettings.Host, brokerSettings.Port)
.WithCredentials(brokerSettings.Username, brokerSettings.Password)
.WithCleanSession(false)
.Build())
.Build();
_client.UseConnectedHandler(async handler =>
{
_logger.LogInformation("Connected successfully with MQTT Brokers.");
var topicFilters = new List <MqttTopicFilter>();
topicFilters.Add(new MqttTopicFilterBuilder()
.WithTopic("/count")
.WithAtLeastOnceQoS()
.Build());
topicFilters.Add(new MqttTopicFilterBuilder()
.WithTopic("/putmovie")
.WithAtMostOnceQoS()
.Build());
await _client.SubscribeAsync(topicFilters);
});
_client.UseApplicationMessageReceivedHandler(async handler =>
{
switch (handler.ApplicationMessage.Topic)
{
case "/putmovie":
await SubscribeMovieAsync(handler);
break;
default:
await SubscribeAsync(handler);
break;
}
});
await _client.StartAsync(options);
}
private void Connect()
{
var clientOptions = new MqttClientOptionsBuilder()
.WithClientId("DeconzToMqtt2")
.WithTcpServer(_hostname)
.WithWillMessage(new MqttApplicationMessageBuilder()
.WithRetainFlag(true)
.WithTopic("tele/deconztomqtt/LWT")
.WithPayload("offline")
.Build());
if (!string.IsNullOrWhiteSpace(_username))
{
clientOptions.WithCredentials(_username, _password);
}
var managedOptions = new ManagedMqttClientOptionsBuilder()
.WithAutoReconnectDelay(TimeSpan.FromSeconds(5))
.WithClientOptions(clientOptions);
var factory = new MqttFactory(new MqttNetLogger(_logProvider));
_client = factory.CreateManagedMqttClient();
_client.UseDisconnectedHandler(async e =>
{
_logger.Warn("Disconnected from MQTT server. Try reconnect...");
});
_client.UseConnectedHandler(async e =>
{
_logger.Info("Connected to MQTT server");
await _client.PublishAsync(new MqttApplicationMessageBuilder()
.WithRetainFlag(true)
.WithTopic("tele/deconztomqtt/LWT")
.WithPayload("online")
.Build());
});
_logger.Info("Connecting to MQTT server '{0}'", _hostname);
_client.StartAsync(managedOptions.Build()).Wait(_cancelationToken.Token);
}
public void Subscribe(string topic)
{
//_mqttClient.UseConnectedHandler(e =>
//{
// _mqttClient.SubscribeAsync(new TopicFilterBuilder().WithTopic(topic).Build()).Wait();
//});
_mqttClient.UseConnectedHandler(async e =>
{
Debug.WriteLine("### CONNECTED WITH SERVER ###");
// Subscribe to a topic
await _mqttClient.SubscribeAsync(new TopicFilterBuilder()
.WithTopic(topic)
.Build());
Debug.WriteLine($"### SUBSCRIBED TO TOPIC {topic} ###");
});
}
public void Create(ConnectionOptions options, Credentials credentials, string topic)
{
//configure options
var mqttClientOptions = new MqttClientOptionsBuilder()
.WithClientId(credentials.UserName)
.WithTcpServer(options.IpAddress, options.Port)
.WithCredentials(credentials.Login, credentials.Password)
.WithCleanSession()
.Build();
var mqttManagedMqttClientOptions = _options = new ManagedMqttClientOptionsBuilder()
.WithAutoReconnectDelay(TimeSpan.FromSeconds(5))
.WithClientOptions(mqttClientOptions)
.Build();
// Create a new MQTT client.
_client = new MqttFactory().CreateManagedMqttClient();
//handlers
_client.UseConnectedHandler(e =>
{
OnConnected?.Invoke(e);
//subscribing to a topic
if (!string.IsNullOrEmpty(topic))
{
_topic = topic;
_client.SubscribeAsync(new TopicFilterBuilder().WithTopic(topic).Build()).Wait();
}
});
_client.UseDisconnectedHandler(e =>
{
OnDisconnected?.Invoke(e);
});
_client.UseApplicationMessageReceivedHandler(e =>
{
OnMessageReceived?.Invoke(e);
});
}
public static IManagedMqttClient ConfigureMqttEvents(this IManagedMqttClient mqttClient, IServiceProvider serviceProvider, CancellationToken cancellationToken)
{
MqttEvents mqttEvents = serviceProvider.GetService <MqttEvents>();
if (mqttEvents == null)
{
throw new InvalidOperationException($"Unable to find {nameof(MqttEvents)} service. Did you forget to call {nameof(ServiceCollectionExtensions.AddMqttEvents)}()?");
}
mqttClient.UseDisconnectedHandler(async args =>
{
await mqttEvents.InvokeDisconnectHandler(args, cancellationToken);
});
mqttClient.UseConnectedHandler(async args =>
{
await mqttEvents.InvokeConnectHandler(args, cancellationToken);
});
return(mqttClient);
}
public async Task Connect(string clientIdPrefix, Func <Task> connected = null, Func <Task> disconnected = null)
{
var messageBuilder = new MqttClientOptionsBuilder()
.WithClientId($"{clientIdPrefix}-{_options.ClientId}")
.WithKeepAlivePeriod(TimeSpan.FromSeconds(90))
.WithCredentials(_options.User, _options.Password)
.WithTcpServer(_options.URI, _options.Port)
.WithCleanSession();
var options = _options.Secure
? messageBuilder
.WithTls()
.Build()
: messageBuilder
.Build();
var managedOptions = new ManagedMqttClientOptionsBuilder()
.WithAutoReconnectDelay(TimeSpan.FromSeconds(5))
.WithClientOptions(options)
.Build();
_client = new MqttFactory()
.CreateManagedMqttClient();
_client.UseConnectedHandler(async e =>
{
_logger.LogInformation("Connected from MQTT Broker.");
if (connected != null)
{
await connected();
}
})
.UseDisconnectedHandler(async e =>
{
_logger.LogWarning(e.Exception, $"Disconnected from MQTT Broker.");
if (disconnected != null)
{
await disconnected();
}
});
await _client.StartAsync(managedOptions);
}
/// <summary>
/// Constructor
/// </summary>
public Logic(ILogger <Logic> logger, IOptions <Config> config, IHostEnvironment hostEnvironment)
{
_logger = logger;
_config = config.Value;
_hostEnvironment = hostEnvironment;
_mqttClient = new MqttFactory().CreateManagedMqttClient();
_mqttClient.UseApplicationMessageReceivedHandler(MqttClientOnApplicationMessageReceived);
_mqttClient.UseConnectedHandler(async e =>
{
_logger.LogInformation("Connected to MQTT server");
await _mqttClient.SubscribeAsync(new TopicFilterBuilder().WithTopic(_config.Mqtt.ShutdownTopic)
.Build());
});
_mqttClient.UseDisconnectedHandler(e =>
{
if (e.Exception != null && !e.ClientWasConnected)
{
_logger.LogError(e.Exception, "Unable to connect to MQTT server");
}
if (e.Exception != null && e.ClientWasConnected)
{
_logger.LogError("Disconnected from connect to MQTT server with error", e.Exception);
}
if (e.Exception == null && e.ClientWasConnected)
{
_logger.LogInformation("Disconnected from MQTT server");
}
});
_timeoutTimer = new Timer(_config.TimeoutSeconds * 1000);
_timeoutTimer.Elapsed += async(sender, args) =>
{
_timeoutTimer.Stop();
InitiateShutdown();
};
}
public async Task ConnectAsync()
{
try
{
_mqttClient.UseConnectedHandler(e => { _logger.LogInformation("Connected to Mqtt Broker"); });
_mqttClient.UseDisconnectedHandler(e =>
{
if (e.Exception != null)
{
_logger.LogWarning("Disconnected from Mqtt Broker", e.Exception);
}
});
_mqttClient.UseApplicationMessageReceivedHandler(async e =>
{
try
{
var topic = e.ApplicationMessage.Topic;
if (!string.IsNullOrWhiteSpace(topic))
{
var payload = Encoding.UTF8.GetString(e.ApplicationMessage.Payload);
_logger.LogInformation($"Topic: {topic}. Message Received: {payload}");
await OnReceived(topic, payload);
}
}
catch (Exception ex)
{
_logger.LogError(ex.Message, ex);
}
});
await _mqttClient.StartAsync(_managedOptions);
}
catch (Exception e)
{
_logger.LogError("Failed to start Mqtt Client", e);
throw;
}
}
public async Task SetupClientAsync(CancellationToken cancellationToken)
{
// Setup and start a managed MQTT client.
var options = new ManagedMqttClientOptionsBuilder()
.WithAutoReconnectDelay(TimeSpan.FromSeconds(5))
.WithClientOptions(new MqttClientOptionsBuilder()
.WithClientId("Server")
//.WithWebSocketServer("localhost:50482/mqtt")
.Build())
.Build();
_mqttClient = new MqttFactory().CreateManagedMqttClient();
await _mqttClient.StartAsync(options);
await _mqttClient.SubscribeAsync(new MqttTopicFilterBuilder().WithTopic("MqttWeatherForecast/90210/temperature").Build());
_mqttClient.UseConnectedHandler(e =>
{
//Console.WriteLine($"Connection Result: {e.AuthenticateResult.ResultCode}");
});
_mqttClient.UseApplicationMessageReceivedHandler(e =>
{
//Console.WriteLine($"Message from {e.ClientId}: {e.ApplicationMessage.Payload.Length} bytes.");
});
await _mqttClient.StartAsync(options);
await _mqttClient.PublishAsync(new ManagedMqttApplicationMessageBuilder().WithApplicationMessage(msg =>
{
msg.WithAtLeastOnceQoS();
msg.WithPayload(BitConverter.GetBytes(98.6d));
msg.WithTopic("inTopic");
}).Build());
}
public MqttListenerService(IManagedMqttClient client, IManagedMqttClientOptions options, IConfiguration configuration, IServiceId serviceId,
ILogger <MqttListenerService> logger, IPointsOfSaleService posService, IServiceProvider serviceProvider, IPosTopicClassifier posTopicClassifier)
{
if (configuration == null)
{
throw new ArgumentNullException(nameof(configuration));
}
if (serviceId == null)
{
throw new ArgumentNullException(nameof(serviceId));
}
_client = client ?? throw new ArgumentNullException(nameof(client));
_options = options ?? throw new ArgumentNullException(nameof(options));
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
_posService = posService ?? throw new ArgumentNullException(nameof(posService));
_posTopicClassifier = posTopicClassifier ?? throw new ArgumentNullException(nameof(posTopicClassifier));
_client.UseApplicationMessageReceivedHandler(OnMqttMessageReceived);
_client.UseConnectedHandler(args => OnConnectedHandler(args));
_client.UseDisconnectedHandler(args => OnDisconnectedHandler(args));
_messageHandlers = serviceProvider.GetServices <IMqttMessageHandler>().ToArray();
}
/// <summary>
/// Initialize
/// </summary>
/// <param name="mqttHost"></param>
/// <param name="mqttPort"></param>
/// <param name="mqttRootTopic"></param>
/// <param name="callbackAddress"></param>
/// <param name="callbackPort"></param>
/// <param name="bridgeUrl"></param>
/// <param name="token"></param>
/// <param name="hashToken"></param>
/// <param name="infoInterval"></param>
private void Initialize(string mqttHost, int?mqttPort, string mqttRootTopic, string callbackAddress,
int?callbackPort, string bridgeUrl, string token, bool hashToken, int?infoInterval)
{
_mqttRootTopic = !string.IsNullOrEmpty(mqttRootTopic) ? mqttRootTopic : "nukibridge";
_mqttHost = !string.IsNullOrEmpty(mqttHost) ? mqttHost : "localhost";
_mqttPort = mqttPort ?? 1883;
_bridgeUrl = !string.IsNullOrEmpty(bridgeUrl) ? bridgeUrl : NukiBridgeClient.DiscoverBridge();
_bridgeToken = token;
if (string.IsNullOrEmpty(_bridgeUrl) ||
string.IsNullOrEmpty(_bridgeToken))
{
throw new Exception("No Bridge_URL and/or Bridge_Token defined");
}
_hashToken = hashToken;
// Setup MQTT
_mqttClient = new MqttFactory().CreateManagedMqttClient();
_mqttClient.UseApplicationMessageReceivedHandler(e => MqttClientOnApplicationMessageReceived(e));
_mqttClient.UseConnectedHandler(e =>
{
Log.Information("MQTT: Connected");
SubscribeTopic("discover");
SubscribeTopic("reset");
SubscribeTopic("reboot");
SubscribeTopic("fw-upgrade");
});
_mqttClient.UseDisconnectedHandler(e =>
{
if (e.ClientWasConnected)
{
Log.Warning($"MQTT: Disconnected ({e.Exception?.Message ?? "clean"})");
}
else
{
Log.Error($"MQTT: Unable to connect ({e.Exception?.Message ?? "clean"})");
}
});
_nukiBridgeClient = new NukiBridgeClient(_bridgeUrl, _bridgeToken, _hashToken);
// Setup callback
_callbackAddress = callbackAddress ?? LocalIpAddress().ToString();
_callbackPort = callbackPort ?? 8080;
_httpListener = new HttpListener
{
Prefixes = { $"http://+:{_callbackPort}/" }
};
_devices = new List <Device>();
// Prevent info interval being set to 0
if ((infoInterval ?? 0) == 0)
{
infoInterval = 300;
}
// Setup info interval
_infoTimer = new Timer((infoInterval ?? 300) * 1000);
_infoTimer.Elapsed += async(sender, args) =>
{
_infoTimer.Stop();
await PublishBridgeInfo();
_infoTimer.Start();
};
}
public static async Task ConnectAsync()
{
string clientId = Guid.NewGuid().ToString();
string mqttURI = "127.0.0.1";
string mqttUser = "******";
string mqttPassword = "******";
int mqttPort = 1883;
bool mqttSecure = false;
var messageBuilder = new MqttClientOptionsBuilder()
.WithClientId(clientId)
.WithCredentials(mqttUser, mqttPassword)
.WithTcpServer(mqttURI, mqttPort)
.WithProtocolVersion(MqttProtocolVersion.V500)
//.WithTls()
.WithCleanSession();
var options = mqttSecure ? messageBuilder.WithTls().Build() : messageBuilder.Build();
var managedOptions = new ManagedMqttClientOptionsBuilder()
.WithAutoReconnectDelay(TimeSpan.FromSeconds(5))
.WithClientOptions(options)
.Build();
client = new MqttFactory().CreateManagedMqttClient();
await client.StartAsync(managedOptions);
client.UseConnectedHandler(e =>
{
Console.WriteLine("Connected successfully with MQTT Brokers.");
});
await SubscribeAsync("+/+/+/+");
//await SubscribeAsync("let/me/in/pep");
Console.WriteLine(client.IsStarted + " " + client.IsConnected);
client.UseDisconnectedHandler(e =>
{
Console.WriteLine("Disconnected from MQTT Brokers." + e.ClientWasConnected + " " + e?.AuthenticateResult?.ReasonString);
});
client.UseApplicationMessageReceivedHandler(e =>
{
try
{
string topic = e.ApplicationMessage.Topic;
if (string.IsNullOrWhiteSpace(topic) == false)
{
string payload = Encoding.UTF8.GetString(e.ApplicationMessage.Payload);
Console.WriteLine($"Topic: {topic}. Message Received: {payload}");
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message, ex);
}
});
}
private static async Task ConnectAsync()
{
const string mqttUri = "localhost";
var mqttUser = "******";
var mqttPassword = "******";
var mqttPort = 1883;
Console.WriteLine($"MQTT Server:{mqttUri} Username:{mqttUser} ClientID:{leadvehicle}");
var messageBuilder = new MqttClientOptionsBuilder()
.WithClientId(leadvehicle)
.WithCredentials(mqttUser, mqttPassword)
.WithTcpServer(mqttUri, mqttPort)
.WithKeepAlivePeriod(new TimeSpan(0, 0, 30))
.WithCleanSession();
var options = messageBuilder
.Build();
var managedOptions = new ManagedMqttClientOptionsBuilder()
.WithAutoReconnectDelay(TimeSpan.FromSeconds(5))
.WithClientOptions(options)
.Build();
await client.StartAsync(managedOptions);
client.UseConnectedHandler(e => { Console.WriteLine("Connected successfully with MQTT Brokers."); });
client.UseApplicationMessageReceivedHandler(e =>
{
Console.WriteLine("Connected UseApplicationMessageReceivedHandler with MQTT Brokers." + e.ApplicationMessage);
});
client.UseDisconnectedHandler(e =>
{
new MqttClientDisconnectedHandlerDelegate(e => MqttClient_Disconnected(e));
Console.WriteLine("Disconnected from MQTT Brokers.Client Was Connected " + e.ClientWasConnected);
});
client.UseApplicationMessageReceivedHandler(e =>
{
try
{
var topic = e.ApplicationMessage.Topic;
if (!string.IsNullOrWhiteSpace(topic))
{
var stringpayload = Encoding.UTF8.GetString(e.ApplicationMessage.Payload);
var bitArray = new BitArray(e.ApplicationMessage.Payload);
var payload = HelperFunctions.GetPayload(e.ApplicationMessage.Payload);
var py = HelperFunctions.ToBitString(new BitArray(e.ApplicationMessage.Payload), 0, 61);
Console.WriteLine($"Topic: {topic}. Message Received: {py}");
var followingVehicle = topic.Replace("platooning/" + leadvehicle + "/", "");
if (payload.Maneuver == 1 && !string.IsNullOrWhiteSpace(followingVehicle))
{
payload.Maneuver = 2;
var message = new BitArray(61);
message.Set(0, false);
message.Set(1, true);
message.Set(2, false);
_ = PublishAsync("platooning/" + followingVehicle + "/" + leadvehicle + "/" + platoonId, Encoding.ASCII.GetString(HelperFunctions.BitArrayToByteArray(message)));
}
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message, ex);
}
});
}
