[Libvir] PATCH: 5/16: remote driver client

[Daniel Veillard]

On Tue, Feb 12, 2008 at 04:33:03AM +0000, Daniel P. Berrange wrote:
> This patch adds support for the storage APIs to the remote driver
> client end. As with the network driver, things are configured such
> that all virtualization drivers will end up delegating to the remote
> driver for storage APIs. There's not much interesting to say about
> this patch since it just follows pattern for the existing APis.

[...]
> +    if (conn &&
> +        conn->driver &&
> +        strcmp (conn->driver->name, "remote") == 0) {

  aren't we supposed to use some STREQU macros for lisibility ?

> +        /* If we're here, the remote driver is already
> +         * in use due to a) a QEMU uri, or b) a remote
> +         * URI. So we can re-use existing connection
> +         */
> +        conn->storagePrivateData = conn->privateData;
> +        return VIR_DRV_OPEN_SUCCESS;
> +    } else if (conn->networkDriver &&
> +               strcmp (conn->networkDriver->name, "remote") == 0) {

  same

> +        conn->storagePrivateData = conn->networkPrivateData;
> +        ((struct private_data *)conn->storagePrivateData)->localUses++;
> +        return VIR_DRV_OPEN_SUCCESS;
> +    } else {
> +        /* Using a non-remote driver, so we need to open a
> +         * new connection for network APIs, forcing it to
> +         * use the UNIX transport. This handles Xen driver
> +         * which doesn't have its own impl of the network APIs.
> +         */
> +        struct private_data *priv = malloc (sizeof(struct private_data));
> +        int ret, rflags = 0;
> +        if (!priv) {
> +            error (NULL, VIR_ERR_NO_MEMORY, _("struct private_data"));
> +            return VIR_DRV_OPEN_ERROR;
> +        }
> +        if (flags & VIR_CONNECT_RO)
> +            rflags |= VIR_DRV_OPEN_REMOTE_RO;
> +        rflags |= VIR_DRV_OPEN_REMOTE_UNIX;
> +
> +        memset(priv, 0, sizeof(struct private_data));

  hum, and use calloc to avoid malloc/memset ?


  Except that i could not spot anything special, except it's not very fun
to read :-)

Daniel

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