| 1 | /*++ |
| 2 | |
| 3 | Copyright (c) Microsoft. All rights reserved. |
| 4 | |
| 5 | Module Name: |
| 6 | |
| 7 | Streams.h |
| 8 | |
| 9 | Abstract: |
| 10 | |
| 11 | This file contains the definition of WinRT stream wrappers for IO handles. |
| 12 | --*/ |
| 13 | |
| 14 | #pragma once |
| 15 | #include <winrt/Windows.Storage.Streams.h> |
| 16 | |
| 17 | namespace winrt::Microsoft::WSL::Containers::implementation { |
| 18 | |
| 19 | // WinRT IInputStream wrapper around a Windows HANDLE (read end). |
| 20 | struct IOHandleInputStream |
| 21 | : winrt::implements<IOHandleInputStream, winrt::Windows::Storage::Streams::IInputStream, winrt::Windows::Foundation::IClosable> |
| 22 | { |
| 23 | explicit IOHandleInputStream(wil::unique_handle&& handle); |
| 24 | |
| 25 | winrt::Windows::Foundation::IAsyncOperationWithProgress<winrt::Windows::Storage::Streams::IBuffer, uint32_t> ReadAsync( |
| 26 | winrt::Windows::Storage::Streams::IBuffer buffer, uint32_t count, winrt::Windows::Storage::Streams::InputStreamOptions options); |
| 27 | |
| 28 | void Close(); |
| 29 | |
| 30 | private: |
| 31 | wil::unique_handle m_handle; |
| 32 | }; |
| 33 | |
| 34 | // WinRT IOutputStream wrapper around a Windows HANDLE (write end). |
| 35 | struct IOHandleOutputStream |
| 36 | : winrt::implements<IOHandleOutputStream, winrt::Windows::Storage::Streams::IOutputStream, winrt::Windows::Foundation::IClosable> |
| 37 | { |
| 38 | explicit IOHandleOutputStream(wil::unique_handle&& handle); |
| 39 | |
| 40 | winrt::Windows::Foundation::IAsyncOperationWithProgress<uint32_t, uint32_t> WriteAsync(winrt::Windows::Storage::Streams::IBuffer const& buffer); |
| 41 | winrt::Windows::Foundation::IAsyncOperation<bool> FlushAsync(); |
| 42 | |
| 43 | void Close(); |
| 44 | |
| 45 | private: |
| 46 | wil::unique_handle m_handle; |
| 47 | }; |
| 48 | |
| 49 | } // namespace winrt::Microsoft::WSL::Containers::implementation |