[libvirt] [PATCH 4/7] qemu: Implement qemuDomainManagedSaveDefineXML

[Peter Krempa]

On Wed, Jun 21, 2017 at 05:07:49 +0530, Kothapally Madhu Pavan wrote:
> This commit adds qemu driver implementation to edit xml
> configuration of managed save state file of a domain.
> 
> Signed-off-by: Kothapally Madhu Pavan <kmp at linux.vnet.ibm.com>
> ---
>  src/qemu/qemu_driver.c | 38 ++++++++++++++++++++++++++++++++++++++
>  1 file changed, 38 insertions(+)
> 
> diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
> index c9b3ef3..7ce6464 100644
> --- a/src/qemu/qemu_driver.c
> +++ b/src/qemu/qemu_driver.c
> @@ -6837,6 +6837,43 @@ qemuDomainManagedSaveGetXMLDesc(virDomainPtr dom, unsigned int flags)
>      return ret;
>  }
>  
> +static int
> +qemuDomainManagedSaveDefineXML(virDomainPtr dom, const char *dxml,
> +                               unsigned int flags)
> +{
> +    virQEMUDriverPtr driver = dom->conn->privateData;
> +    virConnectPtr conn = dom->conn;
> +    virDomainObjPtr vm;
> +    char *path = NULL;
> +
> +    if (!(vm = qemuDomObjFromDomain(dom)))
> +        return -1;
> +
> +    path = qemuDomainManagedSavePath(driver, vm);
> +    if (!path)
> +        goto error;
> +
> +    virDomainObjEndAPI(&vm);
> +
> +    if (conn->driver->domainSaveImageDefineXML) {
> +        int ret;
> +        ret = qemuDomainSaveImageDefineXML(conn, path, dxml, flags);
> +
> +        VIR_FREE(path);
> +
> +        if (ret < 0)
> +            goto error;
> +        return ret;
> +    }

This implementation is horrible. Please call the qemu implementation
directly or extract useful parts rather than going through the driver
pointers.
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