internal bool ConsumerPoll(out Message message, IntPtr millisecondsTimeout)
{
// TODO: There is a newer librdkafka interface for this now. Use that.
IntPtr msgPtr = LibRdKafka.consumer_poll(handle, millisecondsTimeout);
if (msgPtr == IntPtr.Zero)
{
message = default(Message);
return(false);
}
var msg = Marshal.PtrToStructure <rd_kafka_message>(msgPtr);
byte[] val = null;
if (msg.val != IntPtr.Zero)
{
val = new byte[(int)msg.len];
Marshal.Copy(msg.val, val, 0, (int)msg.len);
}
byte[] key = null;
if (msg.key != IntPtr.Zero)
{
key = new byte[(int)msg.key_len];
Marshal.Copy(msg.key, key, 0, (int)msg.key_len);
}
string topic = null;
if (msg.rkt != IntPtr.Zero)
{
topic = Util.Marshal.PtrToStringUTF8(LibRdKafka.topic_name(msg.rkt));
}
IntPtr timestampType;
long timestamp = LibRdKafka.message_timestamp(msgPtr, out timestampType) / 1000;
var dateTime = new DateTime(0);
if ((TimestampType)timestampType != TimestampType.NotAvailable)
{
dateTime = Timestamp.UnixTimestampMsToDateTime(timestamp);
}
LibRdKafka.message_destroy(msgPtr);
message = new Message(
topic,
msg.partition,
msg.offset,
key,
val,
new Timestamp(dateTime, (TimestampType)timestampType),
msg.err
);
return(true);
}
internal bool ConsumerPoll(out Message message, IntPtr millisecondsTimeout)
{
ThrowIfHandleClosed();
// TODO: There is a newer librdkafka interface for this now. Use that.
IntPtr msgPtr = LibRdKafka.consumer_poll(handle, millisecondsTimeout);
if (msgPtr == IntPtr.Zero)
{
message = null;
return(false);
}
var msg = Util.Marshal.PtrToStructure <rd_kafka_message>(msgPtr);
byte[] val = null;
if (msg.val != IntPtr.Zero)
{
val = new byte[(int)msg.len];
Marshal.Copy(msg.val, val, 0, (int)msg.len);
}
byte[] key = null;
if (msg.key != IntPtr.Zero)
{
key = new byte[(int)msg.key_len];
Marshal.Copy(msg.key, key, 0, (int)msg.key_len);
}
string topic = null;
if (msg.rkt != IntPtr.Zero)
{
topic = Util.Marshal.PtrToStringUTF8(LibRdKafka.topic_name(msg.rkt));
}
long timestamp = LibRdKafka.message_timestamp(msgPtr, out IntPtr timestampType);
LibRdKafka.message_destroy(msgPtr);
message = new Message(
topic,
msg.partition,
msg.offset,
key,
val,
new Timestamp(timestamp, (TimestampType)timestampType),
msg.err
);
return(true);
}