public ReadHandle ReadAsync()
{
if (EndOfStream)
{
return(new ReadHandle()); // returns void handle
}
// check file termination
_info.Target->dataLength = Math.Min(_info.Target->blockSize, (int)(_info.Target->fileSize - ((long)_info.Target->blockSize) * _info.Target->blockPos));
_readCommands[0] = new ReadCommand
{
Offset = _info.Target->blockPos * _info.Target->blockSize,
Size = _info.Target->dataLength,
Buffer = _byteBuffer.GetUnsafePtr(),
};
ReadHandle read_handle = AsyncReadManager.Read(_path.Target, (ReadCommand *)(_readCommands.GetUnsafePtr()), 1);
if (!read_handle.IsValid())
{
throw new InvalidOperationException("failure to open file.");
}
_info.Target->blockPos++;
return(read_handle);
}
public void Execute()
{
Memory.Unmanaged.Free(ptr, allocator);
if (readHandle.IsValid())
{
readHandle.Dispose();
}
}
public void Execute()
{
UnsafeUtility.Free(ptr, allocator);
if (readHandle.IsValid())
{
readHandle.Dispose();
}
}
public void Dispose()
{
if (!m_Handle.IsValid())
{
return;
}
m_Handle.Dispose();
}
public unsafe void Update()
{
if (!readHandle.IsValid() || readHandle.Status == ReadStatus.InProgress)
{
return;
}
readHandle.Dispose();
UnsafeUtility.Free(cmd[0].Buffer, Allocator.Persistent);
cmd.Dispose();
}