On Mon, Jun 06, 2011 at 01:17:56PM -0500, Adam Litke wrote:
> * src/libvirt.c: implement the main entry points
> 
> Signed-off-by: Adam Litke <a...@us.ibm.com>
> ---
>  src/libvirt.c |  252 
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>  1 files changed, 252 insertions(+), 0 deletions(-)
> 
> diff --git a/src/libvirt.c b/src/libvirt.c
> index cbe1926..46d32cf 100644
> --- a/src/libvirt.c
> +++ b/src/libvirt.c
> @@ -15012,3 +15012,255 @@ error:
>      virDispatchError(conn);
>      return -1;
>  }
> +
> +/**
> + * virDomainBlockPull:
> + * @dom: pointer to domain object
> + * @path: Fully-qualified filename of disk
> + * @info: A pointer to a virDomainBlockPullInfo structure, or NULL
> + * @flags: currently unused, for future extension
> + *
> + * Populate a disk image with data from its backing image.  Once all data 
> from
> + * its backing image has been pulled, the disk no longer depends on a backing
> + * image.  This function works incrementally, performing a small amount of 
> work
> + * each time it is called.  When successful, @info is updated with the 
> current
> + * progress.
> + *
> + * Returns -1 in case of failure, 0 when successful.
> + */
> +int virDomainBlockPull(virDomainPtr dom,
> +                       const char *path,
> +                       virDomainBlockPullInfoPtr info,
> +                       unsigned int flags)
> +{
> +    virConnectPtr conn;
> +
> +    VIR_DOMAIN_DEBUG(dom, "path=%p, info=%p, flags=%u", path, info, flags);
> +
> +    virResetLastError();
> +
> +    if (!VIR_IS_CONNECTED_DOMAIN (dom)) {
> +        virLibDomainError(VIR_ERR_INVALID_DOMAIN, __FUNCTION__);
> +        virDispatchError(NULL);
> +        return -1;
> +    }
> +    conn = dom->conn;
> +
> +    if (dom->conn->flags & VIR_CONNECT_RO) {
> +        virLibDomainError(VIR_ERR_OPERATION_DENIED, __FUNCTION__);
> +        goto error;
> +    }
> +
> +    if (!path) {
> +        virLibDomainError(VIR_ERR_INVALID_ARG,
> +                           _("path is NULL"));
> +        goto error;
> +    }
> +
> +    if (flags != 0) {
> +        virLibDomainError(VIR_ERR_INVALID_ARG,
> +                           _("flags must be zero"));
> +        goto error;
> +    }

'Flags' shouldn't be checked in the public API entry points.
Instead the driver implementing the API should add a call
to 

  virCheckFlags(MASK-OF-ALLOWED-FLAGS, RETURN-VALUE);

eg, in this case add to the QEMU driver:

  virCheckFlags(0, -1);


> +
> +    if (conn->driver->domainBlockPull) {
> +        int ret;
> +        ret = conn->driver->domainBlockPull(dom, path, info, flags);
> +        if (ret < 0)
> +            goto error;
> +        return ret;
> +    }
> +
> +    virLibDomainError(VIR_ERR_NO_SUPPORT, __FUNCTION__);
> +
> +error:
> +    virDispatchError(dom->conn);
> +    return -1;
> +}
> +
> +/**
> + * virDomainBlockPullAll:
> + * @dom: pointer to domain object
> + * @path: Fully-qualified filename of disk
> + * @flags: currently unused, for future extension
> + *
> + * Populate a disk image with data from its backing image.  Once all data 
> from
> + * its backing image has been pulled, the disk no longer depends on a backing
> + * image.  This function pulls data for the entire device in the background.
> + * Progress of the operation can be checked with virDomainGetBlockPullInfo() 
> and
> + * the operation can be aborted with virDomainBlockPullAbort().  When 
> finished,
> + * an asynchronous event is raised to indicate the final status.
> + *
> + * Returns 0 if the operation has started, -1 on failure.
> + */
> +int virDomainBlockPullAll(virDomainPtr dom,
> +                          const char *path,
> +                          unsigned int flags)
> +{
> +    virConnectPtr conn;
> +
> +    VIR_DOMAIN_DEBUG(dom, "path=%p, flags=%u", path, flags);
> +
> +    virResetLastError();
> +
> +    if (!VIR_IS_CONNECTED_DOMAIN (dom)) {
> +        virLibDomainError(VIR_ERR_INVALID_DOMAIN, __FUNCTION__);
> +        virDispatchError(NULL);
> +        return -1;
> +    }
> +    conn = dom->conn;
> +
> +    if (dom->conn->flags & VIR_CONNECT_RO) {
> +        virLibDomainError(VIR_ERR_OPERATION_DENIED, __FUNCTION__);
> +        goto error;
> +    }
> +
> +    if (!path) {
> +        virLibDomainError(VIR_ERR_INVALID_ARG,
> +                           _("path is NULL"));
> +        goto error;
> +    }
> +
> +    if (flags != 0) {
> +        virLibDomainError(VIR_ERR_INVALID_ARG,
> +                           _("flags must be zero"));
> +        goto error;
> +    }

Same comment as previous API

> +
> +    if (conn->driver->domainBlockPullAll) {
> +        int ret;
> +        ret = conn->driver->domainBlockPullAll(dom, path, flags);
> +        if (ret < 0)
> +            goto error;
> +        return ret;
> +    }
> +
> +    virLibDomainError(VIR_ERR_NO_SUPPORT, __FUNCTION__);
> +
> +error:
> +    virDispatchError(dom->conn);
> +    return -1;
> +}
> +
> +/**
> + * virDomainBlockPullAbort:
> + * @dom: pointer to domain object
> + * @path: fully-qualified filename of disk
> + * @flags: currently unused, for future extension
> + *
> + * Cancel a pull operation previously started by virDomainBlockPullAll().
> + *
> + * Returns -1 in case of failure, 0 when successful.
> + */
> +int virDomainBlockPullAbort(virDomainPtr dom,
> +                            const char *path,
> +                            unsigned int flags)
> +{
> +    virConnectPtr conn;
> +
> +    VIR_DOMAIN_DEBUG(dom, "path=%p, flags=%u", path, flags);
> +
> +    virResetLastError();
> +
> +    if (!VIR_IS_CONNECTED_DOMAIN (dom)) {
> +        virLibDomainError(VIR_ERR_INVALID_DOMAIN, __FUNCTION__);
> +        virDispatchError(NULL);
> +        return -1;
> +    }
> +    conn = dom->conn;
> +
> +    if (dom->conn->flags & VIR_CONNECT_RO) {
> +        virLibDomainError(VIR_ERR_OPERATION_DENIED, __FUNCTION__);
> +        goto error;
> +    }
> +
> +    if (!path) {
> +        virLibDomainError(VIR_ERR_INVALID_ARG,
> +                           _("path is NULL"));
> +        goto error;
> +    }
> +
> +    if (flags != 0) {
> +        virLibDomainError(VIR_ERR_INVALID_ARG,
> +                           _("flags must be zero"));
> +        goto error;
> +    }

Same comment as previous API

> +    if (conn->driver->domainBlockPullAbort) {
> +        int ret;
> +        ret = conn->driver->domainBlockPullAbort(dom, path, flags);
> +        if (ret < 0)
> +            goto error;
> +        return ret;
> +    }
> +
> +    virLibDomainError(VIR_ERR_NO_SUPPORT, __FUNCTION__);
> +
> +error:
> +    virDispatchError(dom->conn);
> +    return -1;
> +}
> +
> +/**
> + * virDomainGetBlockPullInfo:
> + * @dom: pointer to domain object
> + * @path: fully-qualified filename of disk
> + * @info: pointer to a virDomainBlockPullInfo structure
> + * @flags: currently unused, for future extension
> + *
> + * Request progress information on a block pull operation that has been 
> started
> + * with virDomainBlockPullAll().  If an operation is active for the given
> + * parameters, @info will be updated with the current progress.
> + *
> + * Returns -1 in case of failure, 0 when successful.
> + */
> +int virDomainGetBlockPullInfo(virDomainPtr dom,
> +                              const char *path,
> +                              virDomainBlockPullInfoPtr info,
> +                              unsigned int flags)
> +{
> +    virConnectPtr conn;
> +
> +    VIR_DOMAIN_DEBUG(dom, "path=%p, info=%p, flags=%u", path, info, flags);
> +
> +    virResetLastError();
> +
> +    if (!VIR_IS_CONNECTED_DOMAIN (dom)) {
> +        virLibDomainError(VIR_ERR_INVALID_DOMAIN, __FUNCTION__);
> +        virDispatchError(NULL);
> +        return -1;
> +    }
> +    conn = dom->conn;
> +
> +    if (!path) {
> +        virLibDomainError(VIR_ERR_INVALID_ARG,
> +                           _("path is NULL"));
> +        goto error;
> +    }
> +
> +    if (!info) {
> +        virLibDomainError(VIR_ERR_INVALID_ARG,
> +                           _("info is NULL"));
> +        goto error;
> +    }
> +
> +    if (flags != 0) {
> +        virLibDomainError(VIR_ERR_INVALID_ARG,
> +                           _("flags must be zero"));
> +        goto error;
> +    }

Same comment as previous API

> +
> +
> +    if (conn->driver->domainGetBlockPullInfo) {
> +        int ret;
> +        ret = conn->driver->domainGetBlockPullInfo(dom, path, info, flags);
> +        if (ret < 0)
> +            goto error;
> +        return ret;
> +    }
> +
> +    virLibDomainError(VIR_ERR_NO_SUPPORT, __FUNCTION__);
> +
> +error:
> +    virDispatchError(dom->conn);
> +    return -1;
> +}


Regards,
Daniel
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