private IDisposable BindObserver(
IMqttMessageBus target,
TEntity entity,
TEntityDefinition entityDefinition,
MqttQualityOfServiceLevel?qualityOfServiceLevel,
bool retainMessages)
=> GetStateChangeDetector(entity)
.Subscribe(
state =>
{
var payload = GetStateMessagePayload(entityDefinition, entity);
var messageBuilder = new MqttApplicationMessageBuilder()
.WithTopic(entityDefinition.StateTopic)
.WithPayload(payload)
.WithRetainFlag(retainMessages);
if (qualityOfServiceLevel.HasValue)
{
messageBuilder = messageBuilder.WithQualityOfServiceLevel(qualityOfServiceLevel.Value);
}
var message = messageBuilder.Build();
if (message.Payload != null)
{
target.PublishMessage(message);
}
}
);
public async Task <MqttClientPublishResult> SendDiscoveryAsync <TEntityDefinition>(
string topic,
TEntityDefinition payload,
CancellationToken cancellationToken = default)
where TEntityDefinition : IEntityDefinition
{
var payloadString = GetPayloadString(payload);
var messageBuilder = new MqttApplicationMessageBuilder()
.WithTopic(topic)
.WithPayload(payloadString)
.WithRetainFlag(Settings.Value.Retain);
if (Settings.Value.QualityOfService.HasValue)
{
messageBuilder = messageBuilder.WithQualityOfServiceLevel(Settings.Value.QualityOfService.Value);
}
Logger.LogInformation("[{topic}] {payload}", topic, payloadString);
var message = messageBuilder.Build();
var result = await MqttClient.PublishAsync(message, cancellationToken);
return(result);
}
protected MqttApplicationMessage CreateDefaultDiscoveryMessage(TEntityDefinition entityDefinition)
{
var messageBuilder = new MqttApplicationMessageBuilder()
.WithTopic(DiscoveryTopic)
.WithPayload(GetDiscoveryPayloadString(entityDefinition))
.WithRetainFlag(RetainDiscoveryMessages);
if (DiscoveryMessageQualityOfServiceLevel.HasValue)
{
messageBuilder = messageBuilder.WithQualityOfServiceLevel(DiscoveryMessageQualityOfServiceLevel.Value);
}
return(messageBuilder.Build());
}
private MqttApplicationMessage BuildMessage()
{
byte[] data = input.SelectedBinaryValue;
MqttApplicationMessageBuilder messageBuilder = new MqttApplicationMessageBuilder()
.WithPayload(new MemoryStream(data), data.Length)
.WithTopic(topicPublish.Text);
if (qosPublish.SelectedIndex == -1)
{
qosPublish.SelectedIndex = 0;
}
messageBuilder.WithQualityOfServiceLevel((MqttQualityOfServiceLevel)qosPublish.SelectedIndex);
messageBuilder.WithRetainFlag(retain.Checked);
return(messageBuilder.Build());
}
protected MqttApplicationMessage CreateDefaultDeleteMessage()
{
var messageBuilder = new MqttApplicationMessageBuilder()
.WithTopic(DiscoveryTopic)
.WithPayload(Array.Empty <byte>());
if (DiscoveryMessageQualityOfServiceLevel.HasValue)
{
messageBuilder = messageBuilder.WithQualityOfServiceLevel(DiscoveryMessageQualityOfServiceLevel.Value);
}
var message = messageBuilder.Build();
return(message);
}
public bool sendMessage(string theTopic, byte[] Data, MessagePriority priority = FedNetConstante.DEFAULT_PRIORITY)
{
if (!_theGameClient.IsConnected)
{
return(false);
}
if (theTopic == "")
{
return(false);
}
MqttApplicationMessageBuilder theMsgBuilder = new MqttApplicationMessageBuilder();
theMsgBuilder.WithTopic(FedNetConstante.CLIENT_TO_SERVER + FedNetConstante.DEFAULT_TOPIC_SEPARATOR + ClientId + FedNetConstante.DEFAULT_TOPIC_SEPARATOR + theTopic);
theMsgBuilder.WithQualityOfServiceLevel((MqttQualityOfServiceLevel)priority);
theMsgBuilder.WithPayload(Data);
_theGameClient.PublishAsync(theMsgBuilder.Build());
return(true);
}
public async Task <MqttClientPublishResult> SendDeleteAsync(
string topic,
CancellationToken cancellationToken = default)
{
var messageBuilder = new MqttApplicationMessageBuilder()
.WithTopic(topic)
.WithPayload(Array.Empty <byte>())
.WithRetainFlag(Settings.Value.Retain);
if (Settings.Value.QualityOfService.HasValue)
{
messageBuilder = messageBuilder.WithQualityOfServiceLevel(Settings.Value.QualityOfService.Value);
}
var message = messageBuilder.Build();
var result = await MqttClient.PublishAsync(message, cancellationToken);
return(result);
}
private static MqttApplicationMessage BuildApplicationMessage(MqttMessageSettings mqttMessageSettings)
{
var mqttMessageBuilder = new MqttApplicationMessageBuilder()
.WithTopic(mqttMessageSettings.Topic)
.WithPayload(mqttMessageSettings.Payload);
if (mqttMessageSettings.QualityOfServiceLevel.HasValue)
{
mqttMessageBuilder = mqttMessageBuilder.WithQualityOfServiceLevel(mqttMessageSettings.QualityOfServiceLevel.Value);
}
if (mqttMessageSettings.Retain.HasValue)
{
mqttMessageBuilder = mqttMessageBuilder.WithRetainFlag(mqttMessageSettings.Retain.Value);
}
var mqttMessage = mqttMessageBuilder.Build();
return(mqttMessage);
}
