public async Task Execute(PipeReader reader, PipeWriter writer)
{
List <MemoryHandle> handles = new List <MemoryHandle>();
while (true)
{
var result = await reader.ReadAsync();
var inputBuffer = result.Buffer;
if (inputBuffer.IsEmpty)
{
if (result.IsCompleted)
{
break;
}
reader.AdvanceTo(inputBuffer.End);
continue;
}
var writerBuffer = writer;
var buffer = inputBuffer.First;
if (buffer.Length > 0)
{
unsafe
{
var handle = buffer.Pin();
handles.Add(handle);
_inflater.SetInput((IntPtr)handle.Pointer, buffer.Length);
var wbuffer = writerBuffer.GetMemory();
handle = wbuffer.Pin();
handles.Add(handle);
int written = _inflater.Inflate((IntPtr)handle.Pointer, wbuffer.Length);
writerBuffer.Advance(written);
var consumed = buffer.Length - _inflater.AvailableInput;
inputBuffer = inputBuffer.Slice(0, consumed);
}
}
reader.AdvanceTo(inputBuffer.End);
await writerBuffer.FlushAsync();
}
reader.Complete();
writer.Complete();
_inflater.Dispose();
foreach (var handle in handles)
{
handle.Dispose();
}
}
public async Task Execute(IPipelineReader reader, IPipelineWriter writer)
{
while (true)
{
var result = await reader.ReadAsync();
var inputBuffer = result.Buffer;
if (inputBuffer.IsEmpty)
{
if (result.IsCompleted)
{
break;
}
reader.Advance(inputBuffer.End);
continue;
}
var writerBuffer = writer.Alloc();
var memory = inputBuffer.First;
if (memory.Length > 0)
{
unsafe
{
void *pointer;
if (memory.TryGetPointer(out pointer))
{
_inflater.SetInput((IntPtr)pointer, memory.Length);
void *writePointer;
writerBuffer.Ensure();
if (writerBuffer.Memory.TryGetPointer(out writePointer))
{
int written = _inflater.Inflate((IntPtr)writePointer, writerBuffer.Memory.Length);
writerBuffer.Advance(written);
}
else
{
throw new InvalidOperationException("Pointer needs to be pinned");
}
}
else
{
throw new InvalidOperationException("Pointer needs to be pinned");
}
var consumed = memory.Length - _inflater.AvailableInput;
inputBuffer = inputBuffer.Slice(0, consumed);
}
}
reader.Advance(inputBuffer.End);
await writerBuffer.FlushAsync();
}
reader.Complete();
writer.Complete();
_inflater.Dispose();
}