long GetEventSizeForBatch(EventData eventData)
{
// Create AMQP message here.
var amqpMessage = AmqpMessageConverter.EventDataToAmqpMessage(eventData);
AmqpMessageConverter.UpdateAmqpMessagePartitionKey(amqpMessage, this.PartitionKey);
// Calculate overhead depending on the message size.
// Overhead is smaller for messages smaller than 256 bytes.
long overhead = amqpMessage.SerializedMessageSize < 256 ? 5 : 8;
// We can use the same AMQP message unless diagnostics is enabled.
// Diagnostics extension will stamp message with an id on the Send call.
if (!EventHubsDiagnosticSource.IsEnabledForSendActivity)
{
eventData.AmqpMessage = amqpMessage;
}
else
{
// Reserve overhead for diagnostic-id property.
overhead += DiagnosticsIdOverhead;
}
return(amqpMessage.SerializedMessageSize + overhead);
}
long GetSize(EventData eventData)
{
// Create AMQP message here. We will use the same message while sending to save compute time.
var amqpMessage = AmqpMessageConverter.EventDataToAmqpMessage(eventData);
AmqpMessageConverter.UpdateAmqpMessagePartitionKey(amqpMessage, this.PartitionKey);
eventData.AmqpMessage = amqpMessage;
return(eventData.AmqpMessage.SerializedMessageSize);
}
long GetEventSizeForBatch(EventData eventData)
{
// Create AMQP message here. We will use the same message while sending to save compute time.
var amqpMessage = AmqpMessageConverter.EventDataToAmqpMessage(eventData);
AmqpMessageConverter.UpdateAmqpMessagePartitionKey(amqpMessage, this.PartitionKey);
eventData.AmqpMessage = amqpMessage;
// Calculate overhead depending on the message size.
// Overhead is smaller for messages smaller than 256 bytes.
long overhead = eventData.AmqpMessage.SerializedMessageSize < 256 ? 5 : 8;
return eventData.AmqpMessage.SerializedMessageSize + overhead;
}
/// <summary>
/// Creates a new <see cref="EventDataBatch"/>.
/// </summary>
/// <param name="maxSizeInBytes">The maximum size allowed for the batch</param>
/// <param name="partitionKey">Partition key associate with the batch</param>
public EventDataBatch(long maxSizeInBytes, string partitionKey = null)
{
this.PartitionKey = partitionKey;
this.maxSize = Math.Min(maxSizeInBytes, MaxSizeLimit);
this.eventDataList = new List<EventData>();
// Reserve for wrapper message.
using (var batchMessage = AmqpMessage.Create())
{
batchMessage.MessageFormat = AmqpConstants.AmqpBatchedMessageFormat;
AmqpMessageConverter.UpdateAmqpMessagePartitionKey(batchMessage, partitionKey);
this.currentSize = batchMessage.SerializedMessageSize;
}
}