Method Read

KittyMemoryEx/KittyMemOp.cpp:95–142

        if (n > 0)
        {
            total += n;

            address += n;
            buffer = static_cast<char *>(buffer) + n;
            len -= n;

            if (state == KTTransferState::Page)
            {
                contiguousSuccess += n;

                if (contiguousSuccess >= KT_RETRY_NORMAL_AFTER)
                {
                    state = KTTransferState::Normal;
                    contiguousSuccess = 0;
                }
            }

            // partial success means remaining bytes are still pending
            if (n != requestSize && mode == MemMode::Normal)
            {
                break;
            }

            continue;
        }

        /*
         * No bytes transferred.
         */

        if (mode == MemMode::Normal)
            break;

        if (state == KTTransferState::Normal)
        {
            /*
             * Large request failed.
             * Switch to page scanning.
             */
            state = KTTransferState::Page;
            contiguousSuccess = 0;
            continue;
        }

        /*
         * Page failed.
         * Skip it.
         */
        size_t skip = std::min(KT_PAGE_REMAIN(address), len);