| 36 | template<typename OnComplete> |
| 37 | requires std::is_invocable_r_v<void, OnComplete, error, size_t, std::optional<int>> |
| 38 | void async_read_some(mutable_buffer Buffers, OnComplete UserCallback) { |
| 39 | auto Callback = [Buffers, Socket = FD, UserCallback = std::move(UserCallback)](error ec) mutable { |
| 40 | if (ec != error::success) { |
| 41 | UserCallback(ec, 0, std::nullopt); |
| 42 | return post_callback::drop; |
| 43 | } |
| 44 | |
| 45 | auto BytesRead = read_some_from_fd(Buffers, ec, Socket); |
| 46 | if (ec != error::success) { |
| 47 | UserCallback(ec, BytesRead, std::nullopt); |
| 48 | } else { |
| 49 | UserCallback(ec, BytesRead, Buffers.FD ? std::optional {**Buffers.FD} : std::nullopt); |
| 50 | } |
| 51 | return post_callback::drop; |
| 52 | }; |
| 53 | |
| 54 | Reactor->bind_handler( |
| 55 | pollfd { |
| 56 | .fd = FD, |
| 57 | .events = POLLIN | POLLPRI | POLLRDHUP, |
| 58 | .revents = 0, |
| 59 | }, |
| 60 | std::move(Callback)); |
| 61 | } |
| 62 | |
| 63 | /** |
| 64 | * Blocks until at least one byte of data was received |
no test coverage detected