private static async Task OnReceivedVarWriteRequest(MqttVarReceive mqtt, Connection clientFAST, MqttApplicationMessageReceivedEventArgs arg)
{
await arg.AcknowledgeAsync(CancellationToken.None);
var msg = arg.ApplicationMessage;
string objID = GetObjIdFromTopicName(msg.Topic);
Console.WriteLine($"On got write req for {objID}");
byte[] payloadBytes = msg.Payload;
if (payloadBytes != null && payloadBytes.Length > 0)
{
string payload = Encoding.UTF8.GetString(payloadBytes);
DataValue value = DataValue.FromJSON(payload);
var variable = VariableRef.Make(mqtt.ModuleID, objID, "Value");
VTQ vtq = VTQ.Make(value, Timestamp.Now, Quality.Good);
try {
await clientFAST.WriteVariable(variable, vtq);
}
catch (Exception exp) {
Exception e = exp.GetBaseException() ?? exp;
Console.Error.WriteLine($"Failed to write variable {variable}: {e.Message}");
}
}
}
private static async Task OnReceivedConfigWriteRequest(IMqttClient clientMQTT, LargePayloadReader reader, string moduleID, string topicBase, Connection clientFAST, MqttApplicationMessageReceivedEventArgs arg)
{
var msg = arg.ApplicationMessage;
await arg.AcknowledgeAsync(CancellationToken.None);
if (msg.Topic.EndsWith("/info"))
{
reader.SetInfo(msg.Payload);
string payload = Encoding.UTF8.GetString(msg.Payload);
Console.WriteLine($"Got Info msg! ClientID: {arg.ClientId}; Topic: {msg.Topic}; QOS: {msg.QualityOfServiceLevel}; Payload: {payload}");
}
else
{
int bucket = GetBucketNumberFromTopicName(msg.Topic);
reader.SetBucket(bucket, msg.Payload);
Console.WriteLine($"Got Data msg! ClientID: {arg.ClientId}; Topic: {msg.Topic}; Bucket: {bucket}; QOS: {msg.QualityOfServiceLevel}; Payload.Len: {msg.Payload.Length}");
}
string?content = reader.Content();
if (content != null)
{
try {
var nv = new NamedValue("config", content);
DataValue value = await clientFAST.CallMethod(moduleID, "SetConfigString", nv);
Console.WriteLine("Stored new config!");
}
catch (Exception exp) {
Exception e = exp.GetBaseException() ?? exp;
Console.Error.WriteLine($"Failed to set new config: {e.Message}");
byte[] payload = StdJson.ObjectToBytes(new {
Hash = reader.ContentHash,
Error = e.Message,
Time = Timestamp.Now.ToString()
}, indented: true);
var msgInfo = new MqttApplicationMessage()
{
QualityOfServiceLevel = MqttQualityOfServiceLevel.AtLeastOnce,
Retain = true,
Topic = $"{topicBase}/error",
PayloadFormatIndicator = MqttPayloadFormatIndicator.CharacterData,
Payload = payload,
};
await clientMQTT.PublishAsync(msgInfo);
}
}
}
