Method ReceiveData

src/openrct2/network/Socket.cpp:584–623

        }

        ReadPacket ReceiveData(void* buffer, size_t size, size_t* sizeReceived) override
        {
            if (_status != SocketStatus::connected)
            {
                throw std::runtime_error("Socket not connected.");
            }

            int32_t readBytes = recv(_socket, static_cast<char*>(buffer), static_cast<int32_t>(size), 0);
            if (readBytes == 0)
            {
                *sizeReceived = 0;
                return ReadPacket::disconnected;
            }

            if (readBytes == SOCKET_ERROR)
            {
                *sizeReceived = 0;
    #ifndef _WIN32
                // Removing the check for EAGAIN and instead relying on the values being the same allows turning on of
                // -Wlogical-op warning.
                // This is not true on Windows, see:
                // * https://msdn.microsoft.com/en-us/library/windows/desktop/ms737828(v=vs.85).aspx
                // * https://msdn.microsoft.com/en-us/library/windows/desktop/ms741580(v=vs.85).aspx
                // * https://msdn.microsoft.com/en-us/library/windows/desktop/ms740668(v=vs.85).aspx
                static_assert(
                    EWOULDBLOCK == EAGAIN,
                    "Portability note: your system has different values for EWOULDBLOCK "
                    "and EAGAIN, please extend the condition below");
    #endif // _WIN32
                if (LAST_SOCKET_ERROR() != EWOULDBLOCK)
                {
                    return ReadPacket::disconnected;
                }

                return ReadPacket::noData;
            }

            *sizeReceived = readBytes;
            return ReadPacket::success;
        }

        void Close() override
        {