public async Task ConsumeAsync(IEnumerable <IEventMessage> events)
{
EnsureArg.IsNotNull(_templateDefinition);
var templateContent = _templateManager.GetTemplateAsString(_templateDefinition);
var templateContext = CollectionContentTemplateFactory.Default.Create(templateContent);
templateContext.EnsureValid();
var template = templateContext.Template;
_logger.LogMetric(
IomtMetrics.DeviceEvent(),
events.Count());
IEnumerable <EventData> eventHubEvents = events
.Select(x =>
{
var eventData = new EventData(x.Body.ToArray());
eventData.SystemProperties = new SystemPropertiesCollection(
x.SequenceNumber,
x.EnqueuedTime.UtcDateTime,
x.Offset.ToString(),
x.PartitionId);
foreach (KeyValuePair <string, object> entry in x.Properties)
{
eventData.Properties[entry.Key] = entry.Value;
}
foreach (KeyValuePair <string, object> entry in x.SystemProperties)
{
eventData.SystemProperties.TryAdd(entry.Key, entry.Value);
}
return(eventData);
});
var dataNormalizationService = new MeasurementEventNormalizationService(_logger, template);
await dataNormalizationService.ProcessAsync(eventHubEvents, _collector).ConfigureAwait(false);
if (_normalizationOptions.Value.LogDeviceIngressSizeBytes)
{
var eventStats = await _eventProcessingMeter.CalculateEventStats(eventHubEvents);
_logger.LogMetric(
IomtMetrics.DeviceIngressSizeBytes(),
eventStats.TotalEventsProcessedBytes);
}
}
private async Task ConsumeAsyncImpl(IEnumerable <IEventMessage> events, string templateContent)
{
var templateContext = _collectionTemplateFactory.Create(templateContent);
templateContext.EnsureValid();
var template = templateContext.Template;
_logger.LogMetric(
IomtMetrics.DeviceEvent(events.FirstOrDefault()?.PartitionId),
events.Count());
IEnumerable <EventData> eventHubEvents = events
.Select(x =>
{
var eventData = new EventData(x.Body.ToArray());
eventData.SystemProperties = new SystemPropertiesCollection(
x.SequenceNumber,
x.EnqueuedTime.UtcDateTime,
x.Offset.ToString(),
x.PartitionId);
if (x.Properties != null)
{
foreach (KeyValuePair <string, object> entry in x.Properties)
{
eventData.Properties[entry.Key] = entry.Value;
}
}
if (x.SystemProperties != null)
{
foreach (KeyValuePair <string, object> entry in x.SystemProperties)
{
eventData.SystemProperties.TryAdd(entry.Key, entry.Value);
}
}
return(eventData);
});
var dataNormalizationService = new MeasurementEventNormalizationService(_logger, template, _exceptionTelemetryProcessor);
await dataNormalizationService.ProcessAsync(eventHubEvents, _collector).ConfigureAwait(false);
}
public async Task ConsumeAsync(IEnumerable <IEventMessage> events)
{
EnsureArg.IsNotNull(_templateDefinition);
var templateContent = _templateManager.GetTemplateAsString(_templateDefinition);
var templateContext = CollectionContentTemplateFactory.Default.Create(templateContent);
templateContext.EnsureValid();
var template = templateContext.Template;
_logger.LogMetric(
IomtMetrics.DeviceEvent(),
events.Count());
IEnumerable <EventData> eventHubEvents = events
.Select(x =>
{
var eventData = new EventData(x.Body.ToArray());
eventData.SystemProperties = new SystemPropertiesCollection(
x.SequenceNumber,
x.EnqueuedTime.UtcDateTime,
x.Offset.ToString(),
x.PartitionId);
foreach (KeyValuePair <string, object> entry in x.SystemProperties)
{
eventData.SystemProperties.TryAdd(entry.Key, entry.Value);
}
return(eventData);
});
var dataNormalizationService = new MeasurementEventNormalizationService(_logger, template);
// todo: support managed identity
var connectionString = _env.GetSection("OutputEventHub").Value;
var sb = new EventHubsConnectionStringBuilder(connectionString);
var eventHubName = sb.EntityPath;
var collector = CreateCollector(eventHubName, connectionString, _options);
await dataNormalizationService.ProcessAsync(eventHubEvents, collector).ConfigureAwait(false);
}