| namespace quant::protocol { | |
| std::optional<FrameHeader> BinaryProtocol::parse_header(std::span<const uint8_t> buffer) noexcept { | |
| if (buffer.size() < sizeof(FrameHeader)) { | |
| return std::nullopt; | |
| } | |
| const auto* hdr = reinterpret_cast<const FrameHeader*>(buffer.data()); | |
| if (hdr->magic != PROTOCOL_MAGIC) { | |
| return std::nullopt; | |
| } | |
| return *hdr; | |
| } | |
| } // namespace quant::protocol | |