/// <inheritdoc/>
public void CompleteRead(int processedCount, ref ChannelReaderBufferSlice <T> slice)
{
if ((processedCount < 0) || (processedCount > slice.Length))
{
throw new ArgumentOutOfRangeException(
nameof(processedCount),
"processedCount should be non-negative and less than allocated count");
}
using (var guard = new StateReadGuard <TSyncObject>(_syncObject, _owner))
{
if (!_owner._idToSliceEntries.TryGetValue(slice.Id, out var sliceEntryNode))
{
throw new ArgumentException("Wrong slice variable.");
}
if (!_readInProgress)
{
throw new InvalidOperationException("CompleteWrite operation has not been started.");
}
var sliceEntry = sliceEntryNode.Value;
if (slice.Length != sliceEntry.Length)
{
throw new ArgumentException("The provided slice have an invalid state", nameof(slice));
}
guard.NotifyRead(processedCount, sliceEntry.Length);
int nonProcessedCount = sliceEntry.Length - processedCount;
if (processedCount == 0)
{
sliceEntry.Status = SliceEntryStatus.Data;
}
else if (nonProcessedCount == 0)
{
_owner._sliceEntries.Remove(sliceEntryNode);
}
else
{
sliceEntry.Length = nonProcessedCount;
sliceEntry.Start += processedCount;
sliceEntry.Status = SliceEntryStatus.Data;
}
_readInProgress = false;
}
}
/// <inheritdoc/>
public void PartialFree(int newCount, ref ChannelReaderBufferSlice <T> slice)
{
if ((newCount < 1) || (newCount > slice.Length))
{
throw new ArgumentOutOfRangeException(
nameof(newCount),
"New count should be greater than zero and less or equal to already allocated length.");
}
using (var guard = new StateReadGuard <TSyncObject>())
{
if (!_owner._idToSliceEntries.TryGetValue(slice.Id, out var sliceEntryNode))
{
throw new ArgumentException("Wrong slice variable.");
}
if (!_readInProgress)
{
throw new InvalidOperationException("PartialFree operation has not been started.");
}
if (slice.Length != sliceEntryNode.Value.Length)
{
throw new ArgumentException("The provided slice have an invalid state", nameof(slice));
}
int decreaseSize = sliceEntryNode.Value.Length - newCount;
if (decreaseSize == 0)
{
// Shit it - shit out
return;
}
slice.DecreaseLength(decreaseSize);
var sliceEntry = sliceEntryNode.Value;
sliceEntry.Length = newCount;
// Splitting released part to the new entry.
var newEntry = _owner.AllocateEmptyEntryAfter(sliceEntryNode);
newEntry.Buffer = sliceEntry.Buffer;
newEntry.Start = sliceEntry.Start + sliceEntry.Length;
newEntry.Length = decreaseSize;
newEntry.Status = SliceEntryStatus.Data;
guard.NotifyRead(0, decreaseSize);
}
}
/// <inheritdoc/> public abstract void PartialFree(int newCount, ref ChannelReaderBufferSlice <T> slice);
/// <inheritdoc/> public abstract void CompleteRead(int processedCount, ref ChannelReaderBufferSlice <T> slice);
/// <inheritdoc/> public void PartialFree(int newCount, ref ChannelReaderBufferSlice <T> slice) => throw new NotImplementedException();
/// <inheritdoc/> public void CompleteRead(int processedCount, ref ChannelReaderBufferSlice <T> slice) => throw new NotImplementedException();
void IChannelReader <T> .PartialFree(int newCount, ref ChannelReaderBufferSlice <T> slice) => throw new NotSupportedException();
void IChannelReader <T> .CompleteRead(int processedCount, ref ChannelReaderBufferSlice <T> slice) => throw new NotSupportedException();
