private static byte[] KeyAsByteArray(rd_kafka_message msg)
{
byte[] keyAsByteArray = null;
if (msg.key != IntPtr.Zero)
{
keyAsByteArray = new byte[(int)msg.key_len];
Marshal.Copy(msg.key, keyAsByteArray, 0, (int)msg.key_len);
}
return(keyAsByteArray);
}
private static byte[] ValueAsByteArray(rd_kafka_message msg)
{
byte[] valAsByteArray = null;
if (msg.val != IntPtr.Zero)
{
valAsByteArray = new byte[(int)msg.len];
Marshal.Copy(msg.val, valAsByteArray, 0, (int)msg.len);
}
return(valAsByteArray);
}
static void DeliveryReportCallback(IntPtr rk,
ref rd_kafka_message rkmessage, IntPtr opaque)
{
// msg_opaque was set by Topic.Produce
var gch = GCHandle.FromIntPtr(rkmessage._private);
var deliveryCompletionSource = (TaskCompletionSource<DeliveryReport>) gch.Target;
gch.Free();
if (rkmessage.err != 0)
{
deliveryCompletionSource.SetException(
RdKafkaException.FromErr(
rkmessage.err,
Marshal.PtrToStringAnsi(rkmessage.payload)));
}
deliveryCompletionSource.SetResult(new DeliveryReport() {
Offset = rkmessage.offset,
Partition = rkmessage.partition
});
}
