protected override IAlarmControlPanelMqttEntityConfiguration Build(
IAlarmControlPanel entity,
IAlarmControlPanelEntityDefinition entityDefinition,
string discoveryTopic,
MqttApplicationMessage discoveryMessage,
MqttApplicationMessage deleteMessage,
MqttQualityOfServiceLevel?discoveryMessageQualityOfServiceLevel,
bool retainDiscoveryMessage,
ICommandHandler <IAlarmControlPanel, IAlarmControlPanelEntityDefinition>[] commandHandlers,
MqttQualityOfServiceLevel?stateMessageQualityOfServiceLevel,
bool retainStateMessages,
IStateChangeHandler <IAlarmControlPanel, IAlarmControlPanelEntityDefinition>[] stateChangeHandlers
)
=> new AlarmControlPanelMqttEntityConfiguration(
entity,
entityDefinition,
discoveryTopic,
discoveryMessage,
deleteMessage,
discoveryMessageQualityOfServiceLevel,
retainDiscoveryMessage,
commandHandlers,
stateMessageQualityOfServiceLevel,
retainStateMessages,
stateChangeHandlers);
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);
}
}
);
private MqttTopicFilter CreateTopicFilter(
string topic,
MqttQualityOfServiceLevel?qualityOfServiceLevel = null,
bool?noLocal = null,
bool?retainAsPublished = null,
MqttRetainHandling?retainHandling = null)
{
var result = new MqttTopicFilter
{
Topic = TopicFilterSanitizer.SanitizeTopic(topic)
};
if (qualityOfServiceLevel.HasValue)
{
result.QualityOfServiceLevel = qualityOfServiceLevel.Value;
}
if (noLocal.HasValue)
{
result.NoLocal = noLocal.Value;
}
if (retainAsPublished.HasValue)
{
result.RetainAsPublished = retainAsPublished.Value;
}
if (retainHandling.HasValue)
{
result.RetainHandling = retainHandling.Value;
}
return(result);
}
public IMqttApplicationBuilder Map(
string topicPattern,
MqttRequestDelegate middleware,
MqttQualityOfServiceLevel?qualityOfServiceLevel = null,
bool?noLocal = null,
bool?retainAsPublished = null,
MqttRetainHandling?retainHandling = null)
{
var topicFilter = CreateTopicFilter(topicPattern, qualityOfServiceLevel, noLocal, retainAsPublished, retainHandling);
TopicFilters.Add(
topicFilter,
async context =>
{
if (IsMatch(topicFilter, context))
{
return(await middleware.Invoke(context));
}
return(false);
}
);
return(this);
}
protected BaseMqttStatefulEntityConfiguration(
TEntity entity,
TEntityDefinition entityDefinition,
string discoveryTopic,
MqttApplicationMessage discoveryMessage,
MqttApplicationMessage deleteMessage,
MqttQualityOfServiceLevel?discoveryMessageQualityOfServiceLevel,
bool retainDiscoveryMessage,
ICommandHandler <TEntity, TEntityDefinition>[] commandHandlers,
MqttQualityOfServiceLevel?stateMessageQualityOfServiceLevel,
bool retainStateMessages,
IStateChangeHandler <TEntity, TEntityDefinition>[] stateChangeHandlers
)
: base(
entity,
entityDefinition,
discoveryTopic,
discoveryMessage,
deleteMessage,
discoveryMessageQualityOfServiceLevel,
retainDiscoveryMessage,
commandHandlers
)
{
StateMessageQualityOfServiceLevel = stateMessageQualityOfServiceLevel;
RetainStateMessages = retainStateMessages;
StateChangeHandlers = stateChangeHandlers ?? throw new ArgumentNullException(nameof(stateChangeHandlers));
}
public FanMqttEntityConfiguration(
IFan entity,
IFanEntityDefinition entityDefinition,
string discoveryTopic,
MqttApplicationMessage discoveryMessage,
MqttApplicationMessage deleteMessage,
MqttQualityOfServiceLevel?discoveryMessageQualityOfServiceLevel,
bool retainDiscoveryMessage,
ICommandHandler <IFan, IFanEntityDefinition>[] commandHandlers,
MqttQualityOfServiceLevel?stateMessageQualityOfServiceLevel,
bool retainStateMessages,
IStateChangeHandler <IFan, IFanEntityDefinition>[] stateChangeHandlers
)
: base(
entity,
entityDefinition,
discoveryTopic,
discoveryMessage,
deleteMessage,
discoveryMessageQualityOfServiceLevel,
retainDiscoveryMessage,
commandHandlers,
stateMessageQualityOfServiceLevel,
retainStateMessages,
stateChangeHandlers
)
{
}
public void WriteMaximumQoS(MqttQualityOfServiceLevel?value)
{
if (!value.HasValue || value.Value > MqttQualityOfServiceLevel.AtLeastOnce)
{
return;
}
_packetWriter.Write((byte)MqttPropertyId.MaximumQoS);
_packetWriter.Write((byte)value.Value);
}
public IDisposable Bind(
IMqttMessageBus target,
TEntity entity,
TEntityDefinition entityDefinition,
MqttQualityOfServiceLevel?qualityOfServiceLevel,
bool retainMessages
) =>
BindObserver(
target,
entity,
entityDefinition,
qualityOfServiceLevel,
retainMessages
);
public static IMqttApplicationBuilder MapProcessor <TProcessor, TTopicParameters>(
this IMqttApplicationBuilder mqttApplicationBuilder,
string topicPattern,
Func <TTopicParameters, bool> parametersPredicate = null,
Action <ITopicBinderFactoryBuilder <TTopicParameters> > topicBinderFactoryBuilderConfigurator = null,
MqttQualityOfServiceLevel?qualityOfServiceLevel = null,
bool?noLocal = null,
bool?retainAsPublished = null,
MqttRetainHandling?retainHandling = null)
where TProcessor : IMqttRequestProcessor <TTopicParameters>
where TTopicParameters : class, new()
{
var topicBinder = CreateTopicBinder(topicPattern, topicBinderFactoryBuilderConfigurator);
return(mqttApplicationBuilder.Map(
topicPattern,
async context =>
{
if (topicBinder.IsMatch(context.Topic))
{
TTopicParameters parameters;
try
{
parameters = topicBinder.Bind(context.Topic);
}
catch
{
return false;
}
if (parametersPredicate?.Invoke(parameters) ?? true)
{
var parameterizedContext = new MqttRequestContext <TTopicParameters>(context, parameters);
var processor = context.ServiceProvider.GetRequiredService <TProcessor>();
return await processor.ProcessRequest(parameterizedContext);
}
}
return false;
},
qualityOfServiceLevel,
noLocal,
retainAsPublished,
retainHandling));
}
public static IMqttApplicationBuilder Map <TTopicParameters>(
this IMqttApplicationBuilder mqttApplicationBuilder,
string topicPattern,
MqttRequestDelegate <TTopicParameters> middleware,
Func <TTopicParameters, bool> parametersPredicate = null,
Action <ITopicBinderFactoryBuilder <TTopicParameters> > topicBinderFactoryBuilderConfigurator = null,
MqttQualityOfServiceLevel?qualityOfServiceLevel = null,
bool?noLocal = null,
bool?retainAsPublished = null,
MqttRetainHandling?retainHandling = null)
where TTopicParameters : class, new()
{
var topicBinder = CreateTopicBinder(topicPattern, topicBinderFactoryBuilderConfigurator);
return(mqttApplicationBuilder.Map(
topicPattern,
async context =>
{
if (topicBinder.IsMatch(context.Topic))
{
TTopicParameters parameters;
try
{
parameters = topicBinder.Bind(context.Topic);
}
catch
{
return false;
}
if (parametersPredicate?.Invoke(parameters) ?? true)
{
var ctx = new MqttRequestContext <TTopicParameters>(context, parameters);
return await middleware.Invoke(ctx);
}
}
return false;
},
qualityOfServiceLevel,
noLocal,
retainAsPublished,
retainHandling));
}
public static IMqttApplicationBuilder MapProcessor <TProcessor>(
this IMqttApplicationBuilder mqttApplicationBuilder,
string topicPattern,
TProcessor processor,
MqttQualityOfServiceLevel?qualityOfServiceLevel = null,
bool?noLocal = null,
bool?retainAsPublished = null,
MqttRetainHandling?retainHandling = null
)
where TProcessor : IMqttRequestProcessor
{
return(mqttApplicationBuilder.Map(
topicPattern,
async context => await processor.ProcessRequest(context),
qualityOfServiceLevel,
noLocal,
retainAsPublished,
retainHandling));
}
private ICameraMqttEntityConfiguration Build(
ICamera entity,
ICameraEntityDefinition entityDefinition,
string discoveryTopic,
MqttApplicationMessage discoveryMessage,
MqttApplicationMessage deleteMessage,
MqttQualityOfServiceLevel?discoveryMessageQualityOfServiceLevel,
bool retainDiscoveryMessages,
ICommandHandler <ICamera, ICameraEntityDefinition>[] commandHandlers)
=> new CameraMqttEntityConfiguration(
entity,
entityDefinition,
discoveryTopic,
discoveryMessage,
deleteMessage,
discoveryMessageQualityOfServiceLevel,
retainDiscoveryMessages,
commandHandlers
);
protected BaseMqttEntityConfiguration(
TEntity entity,
TEntityDefinition entityDefinition,
string discoveryTopic,
MqttApplicationMessage discoveryMessage,
MqttApplicationMessage deleteMessage,
MqttQualityOfServiceLevel?discoveryMessageQualityOfServiceLevel,
bool retainDiscoveryMessage,
ICommandHandler <TEntity, TEntityDefinition>[] commandHandlers
)
{
Entity = entity ?? throw new ArgumentNullException(nameof(entity));
EntityDefinition = entityDefinition ?? throw new ArgumentNullException(nameof(entityDefinition));
DiscoveryTopic = discoveryTopic ?? throw new ArgumentNullException(nameof(discoveryTopic));
DiscoveryMessage = discoveryMessage ?? throw new ArgumentNullException(nameof(discoveryMessage));
DeleteMessage = deleteMessage ?? throw new ArgumentNullException(nameof(deleteMessage));
DiscoveryMessageQualityOfServiceLevel = discoveryMessageQualityOfServiceLevel;
RetainDiscoveryMessage = retainDiscoveryMessage;
CommandHandlers = commandHandlers ?? throw new ArgumentNullException(nameof(commandHandlers));
}
public DeviceTriggerMqttEntityConfiguration(
IDeviceTrigger entity,
IDeviceTriggerEntityDefinition entityDefinition,
string discoveryTopic,
MqttApplicationMessage discoveryMessage,
MqttApplicationMessage deleteMessage,
MqttQualityOfServiceLevel?discoveryMessageQualityOfServiceLevel,
bool retainDiscoveryMessage,
ICommandHandler <IDeviceTrigger, IDeviceTriggerEntityDefinition>[] commandHandlers
)
: base(
entity,
entityDefinition,
discoveryTopic,
discoveryMessage,
deleteMessage,
discoveryMessageQualityOfServiceLevel,
retainDiscoveryMessage,
commandHandlers
)
{
}
/// <inheritdoc cref="IMqttConsumerEndpointBuilder.WithAtLeastOnceQoS" />
public IMqttConsumerEndpointBuilder WithAtLeastOnceQoS()
{
_qualityOfServiceLevel = MqttQualityOfServiceLevel.AtLeastOnce;
return(this);
}
public TSelfInterface WithStateMessageQualityOfServiceLevel(MqttQualityOfServiceLevel?stateMessageQualityOfServiceLevel)
{
StateMessageQualityOfServiceLevel = stateMessageQualityOfServiceLevel;
return((TSelf)this);
}
/// <inheritdoc cref="IMqttProducerEndpointBuilder.WithExactlyOnceQoS" />
public IMqttProducerEndpointBuilder WithExactlyOnceQoS()
{
_qualityOfServiceLevel = MqttQualityOfServiceLevel.ExactlyOnce;
return(this);
}
/// <inheritdoc cref="IMqttProducerEndpointBuilder.WithQualityOfServiceLevel" />
public IMqttProducerEndpointBuilder WithQualityOfServiceLevel(MqttQualityOfServiceLevel qosLevel)
{
_qualityOfServiceLevel = qosLevel;
return(this);
}
private string GetRequestTopic(string source, MqttQualityOfServiceLevel?qos)
{
return((source.IsNullOrEmpty() ? "" : $"from/{source}") + $"/rpc/to/{ServerId}/" + (qos == null ? "" : $"qos{(int) qos.Value}"));
}
