// Initiate appropriate fetch request following offset update, or retry offset request
// when nothing has been received.
private async Task HandleOffsetPartitionResponse(string topic, OffsetPartitionResponse partitionResponse)
{
var state = _partitionsStates[topic][partitionResponse.Partition];
if (!state.Active)
{
return;
}
// TODO: check size is 0 or 1 only
if (partitionResponse.Offsets.Length == 0)
{
// there was an error, retry
await Offset(topic, partitionResponse.Partition, state.NextOffsetExpected);
}
else
{
// start Fetch loop
var nextOffset = partitionResponse.Offsets[0];
if (state.StopAt < 0 || nextOffset <= state.StopAt)
{
state.NextOffsetExpected = nextOffset;
await Fetch(topic, partitionResponse.Partition, state.NextOffsetExpected);
}
else
{
state.Active = false;
}
}
}
// Initiate appropriate fetch request following offset update, or retry offset request
// when nothing has been received.
private async Task HandleOffsetPartitionResponse(string topic, OffsetPartitionResponse partitionResponse)
{
var state = _partitionsStates[topic][partitionResponse.Partition];
if (!CheckActivity(state, topic, partitionResponse.Partition))
{
return;
}
// TODO: check size is 0 or 1 only
if (partitionResponse.Offsets.Length == 0)
{
// there was probably an error, in any case retry
if (partitionResponse.ErrorCode != ErrorCode.NoError)
{
_cluster.Logger.LogError(string.Format(
"Error on ListOffsets request for topic {0} / partition {1} [{2}].", topic,
partitionResponse.Partition, partitionResponse.ErrorCode));
}
await Offset(topic, partitionResponse.Partition, state.NextOffset);
}
else
{
// start Fetch loop
var nextOffset = partitionResponse.Offsets[0];
if (state.StopAt == Offsets.Never || nextOffset <= state.StopAt)
{
state.NextOffset = nextOffset;
await Fetch(topic, partitionResponse.Partition, state.NextOffset);
}
else
{
state.Active = false;
}
}
}
// Utility function, statically allocated closure
private static bool IsPartitionOkForClients(OffsetPartitionResponse or)
{
return(Error.IsPartitionOkForClients(or.ErrorCode));
}
