/// <summary>
/// Adds the message received handler to handle incoming messages.
/// </summary>
private void AddMessageReceivedHandler()
{
this.Client.UseApplicationMessageReceivedHandler(
e =>
{
var topic = e.ApplicationMessage.Topic;
if (topic.Contains(SparkplugMessageType.DeviceCommand.GetDescription()))
{
switch (this.NameSpace)
{
case SparkplugNamespace.VersionA:
var payloadVersionA = PayloadHelper.Deserialize <VersionAPayload>(e.ApplicationMessage.Payload);
if (payloadVersionA != null)
{
this.VersionAPayloadReceived?.Invoke(payloadVersionA);
}
break;
case SparkplugNamespace.VersionB:
var payloadVersionB = PayloadHelper.Deserialize <VersionBPayload>(e.ApplicationMessage.Payload);
if (payloadVersionB != null)
{
this.VersionBPayloadReceived?.Invoke(payloadVersionB);
}
break;
}
}
});
}
/// <summary>
/// Adds the message received handler to handle incoming messages.
/// </summary>
/// <exception cref="InvalidCastException">The metric cast is invalid.</exception>
/// <exception cref="ArgumentOutOfRangeException">The namespace is out of range.</exception>
private void AddMessageReceivedHandler()
{
this.Client.UseApplicationMessageReceivedHandler(
e =>
{
var topic = e.ApplicationMessage.Topic;
switch (this.NameSpace)
{
case SparkplugNamespace.VersionA:
if (topic.Contains(SparkplugMessageType.DeviceCommand.GetDescription()))
{
var payloadVersionA = PayloadHelper.Deserialize <VersionAPayload>(e.ApplicationMessage.Payload);
if (payloadVersionA != null)
{
if (!(payloadVersionA is T convertedPayloadVersionA))
{
throw new InvalidCastException("The metric cast didn't work properly.");
}
this.DeviceCommandReceived?.Invoke(convertedPayloadVersionA);
}
}
break;
case SparkplugNamespace.VersionB:
if (topic.Contains(SparkplugMessageType.DeviceCommand.GetDescription()))
{
var payloadVersionB = PayloadHelper.Deserialize <VersionBPayload>(e.ApplicationMessage.Payload);
if (payloadVersionB != null)
{
if (!(payloadVersionB is T convertedPayloadVersionB))
{
throw new InvalidCastException("The metric cast didn't work properly.");
}
this.DeviceCommandReceived?.Invoke(convertedPayloadVersionB);
}
}
break;
default:
throw new ArgumentOutOfRangeException(nameof(this.NameSpace));
}
});
}
/// <summary>
/// Adds the message received handler to handle incoming messages.
/// </summary>
/// <exception cref="InvalidCastException">The metric cast is invalid.</exception>
/// <exception cref="ArgumentOutOfRangeException">The namespace is out of range.</exception>
private void AddMessageReceivedHandler()
{
this.Client.UseApplicationMessageReceivedHandler(
e =>
{
var topic = e.ApplicationMessage.Topic;
// Handle the STATE message before anything else as they're UTF-8 encoded.
if (topic.Contains(SparkplugMessageType.StateMessage.GetDescription()))
{
this.StatusMessageReceived?.Invoke(Encoding.UTF8.GetString(e.ApplicationMessage.Payload));
return;
}
switch (this.NameSpace)
{
case SparkplugNamespace.VersionA:
var payloadVersionA = PayloadHelper.Deserialize <VersionAProtoBuf.ProtoBufPayload>(e.ApplicationMessage.Payload);
if (payloadVersionA is not null)
{
var convertedPayload = PayloadConverter.ConvertVersionAPayload(payloadVersionA);
if (topic.Contains(SparkplugMessageType.DeviceCommand.GetDescription()))
{
if (convertedPayload is not T convertedPayloadVersionA)
{
throw new InvalidCastException("The metric cast didn't work properly.");
}
this.DeviceCommandReceived?.Invoke(convertedPayloadVersionA);
}
if (topic.Contains(SparkplugMessageType.NodeCommand.GetDescription()))
{
if (convertedPayload is not T convertedPayloadVersionA)
{
throw new InvalidCastException("The metric cast didn't work properly.");
}
this.NodeCommandReceived?.Invoke(convertedPayloadVersionA);
}
}
break;
case SparkplugNamespace.VersionB:
var payloadVersionB = PayloadHelper.Deserialize <VersionBProtoBuf.ProtoBufPayload>(e.ApplicationMessage.Payload);
if (payloadVersionB is not null)
{
var convertedPayload = PayloadConverter.ConvertVersionBPayload(payloadVersionB);
if (topic.Contains(SparkplugMessageType.DeviceCommand.GetDescription()))
{
if (convertedPayload is not T convertedPayloadVersionB)
{
throw new InvalidCastException("The metric cast didn't work properly.");
}
this.DeviceCommandReceived?.Invoke(convertedPayloadVersionB);
}
if (topic.Contains(SparkplugMessageType.NodeCommand.GetDescription()))
{
if (convertedPayload is not T convertedPayloadVersionB)
{
throw new InvalidCastException("The metric cast didn't work properly.");
}
this.NodeCommandReceived?.Invoke(convertedPayloadVersionB);
}
}
break;
default:
throw new ArgumentOutOfRangeException(nameof(this.NameSpace));
}
});
}
