Method rename

src/SFML/Network/Sftp.cpp:1054–1111

///////////////////////////////////////////////////////

////////////////////////////////////////////////////////////
Sftp::Result Sftp::rename(const std::filesystem::path& oldPath,
                          const std::filesystem::path& newPath,
                          bool                         overwrite,
                          const TimeoutWithPredicate&  timeout)
{
    const auto oldPathString = pathToUtf8(oldPath);
    const auto newPathString = pathToUtf8(newPath);

    // POSIX rename is only supported starting from libssh2 1.11.1
#if (LIBSSH2_VERSION_NUM >= 0x010b01)
    // POSIX rename doesn't support not overwriting
    auto usePosix = overwrite && m_impl->posixRenameSupported;
#endif

    while (true)
    {
        const auto result = m_impl->waitForOperationComplete(
            [&]
            {
#if (LIBSSH2_VERSION_NUM >= 0x010b01)
                if (usePosix)
                {
                    return libssh2_sftp_posix_rename_ex(m_impl->sftpSession.get(),
                                                        oldPathString.data(),
                                                        static_cast<unsigned int>(oldPathString.size()),
                                                        newPathString.data(),
                                                        static_cast<unsigned int>(newPathString.size()));
                }
#endif

                return libssh2_sftp_rename_ex(m_impl->sftpSession.get(),
                                              oldPathString.data(),
                                              static_cast<unsigned int>(oldPathString.size()),
                                              newPathString.data(),
                                              static_cast<unsigned int>(newPathString.size()),
                                              overwrite ? LIBSSH2_SFTP_RENAME_OVERWRITE : 0);
            },
            timeout);

        if (result == LIBSSH2_ERROR_EAGAIN)
            return Result(Result::Value::Timeout);

#if (LIBSSH2_VERSION_NUM >= 0x010b01)
        // Retry using normal rename if we find out POSIX rename isn't supported
        if (usePosix && (result == LIBSSH2_FX_OP_UNSUPPORTED))
        {
            m_impl->posixRenameSupported = false;
            usePosix                     = false;
            continue;
        }
#endif

        if (result < 0)
            return makeError(m_impl->ssh2Session.get(), m_impl->sftpSession.get());

        return Result(Result::Value::Success);
    }
}