private Task HandleDatabaseUpdated(DatabaseActionEventArgs arg)
{
if (arg.IsErrored)
{
_dbLogger.Error(arg.Path, arg.Exception);
}
else
{
_dbLogger.Info(arg.Path);
}
return(Task.CompletedTask);
}
private void DatabaseAccessFacade_DatabaseActionOcurred(object sender, DatabaseActionEventArgs e)
{
Console.WriteLine($"database action occurred. Sending {e.Values.Count} to eventHub");
Stopwatch s = new Stopwatch();
s.Start();
var values = e.Values.Select(v => new SignalValue {
Vin = v.Vin, Location = v.Location, SignalId = v.SignalId, Time = v.Time, Value = v.Value
}).ToList();
var eventHubClient = EventHubClient.CreateFromConnectionString(mConnectionString, mEventhubName);
var batch = new List <EventData>();
var maxBatchSize = 200000;
long totalCurrentSize = 0;
int i = 0;
foreach (var value in values)
{
i++;
var serializedSignalValue = JsonConvert.SerializeObject(value);
var x = new EventData(Encoding.UTF8.GetBytes(serializedSignalValue));
totalCurrentSize += x.SerializedSizeInBytes;
if (totalCurrentSize > maxBatchSize)
{
Console.WriteLine($"Sending batch to eventHub. batch size: {i}");
SendBatchToEventHub(batch, eventHubClient);
totalCurrentSize = 0;
batch.Clear();
i = 0;
}
batch.Add(x);
}
Console.WriteLine($"Sending batch to eventHub. batch size: {i}");
SendBatchToEventHub(batch, eventHubClient);
Console.WriteLine($"done sending batches, time spent sending: {s.ElapsedMilliseconds} milliseconds");
}
internal void InvokeEvent(DatabaseActionEventArgs e)
{
DatabaseUpdated?.Invoke(e);
}
