On 03/18/2011 10:36 AM, Daniel P. Berrange wrote:
> * src/storage/storage_driver.c: Wire up upload/download APIs
> ---
> src/storage/storage_driver.c | 133
> +++++++++++++++++++++++++++++++++++++++++-
> 1 files changed, 131 insertions(+), 2 deletions(-)
>
>
> +static int
> +storageVolumeDownload(virStorageVolPtr obj,
> + virStreamPtr stream,
> + unsigned long long offset,
> + unsigned long long length,
> + unsigned int flags)
> +{
> + if (vol->building) {
> + virStorageReportError(VIR_ERR_INTERNAL_ERROR,
> + _("volume '%s' is still being allocated."),
> + vol->name);
> + goto out;
> + }
> +
> + if (virFDStreamOpenFile(stream,
> + vol->target.path,
> + offset, length,
> + O_RDONLY) < 0)
> + goto out;Should we prohibit more than one stream attached to a volume at a time? It could be rather confusing if simultaneous transfers are taking place to the same volume, especially if the transfers overlap in offsets of the volume being addressed. -- Eric Blake [email protected] +1-801-349-2682 Libvirt virtualization library http://libvirt.org
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