[libvirt] [libvirt-glib PATCHv5 7/7] gobject: Add wrapper for virNetworkGetDHCPLeases

Christophe Fergeau cfergeau at redhat.com
Tue Jul 7 14:43:30 UTC 2015


On Tue, Jul 07, 2015 at 03:17:37PM +0100, Zeeshan Ali (Khattak) wrote:
> ---
>  libvirt-gobject/libvirt-gobject-network.c | 55 +++++++++++++++++++++++++++++++
>  libvirt-gobject/libvirt-gobject-network.h |  4 +++
>  libvirt-gobject/libvirt-gobject.sym       |  2 ++
>  3 files changed, 61 insertions(+)
> 
> diff --git a/libvirt-gobject/libvirt-gobject-network.c b/libvirt-gobject/libvirt-gobject-network.c
> index b1b38a0..2a7bed6 100644
> --- a/libvirt-gobject/libvirt-gobject-network.c
> +++ b/libvirt-gobject/libvirt-gobject-network.c
> @@ -29,6 +29,7 @@
>  #include "libvirt-glib/libvirt-glib.h"
>  #include "libvirt-gobject/libvirt-gobject.h"
>  #include "libvirt-gobject-compat.h"
> +#include "libvirt-gobject/libvirt-gobject-network-dhcp-lease-private.h"
>  
>  #define GVIR_NETWORK_GET_PRIVATE(obj)                         \
>          (G_TYPE_INSTANCE_GET_PRIVATE((obj), GVIR_TYPE_NETWORK, GVirNetworkPrivate))
> @@ -224,3 +225,57 @@ GVirConfigNetwork *gvir_network_get_config(GVirNetwork *network,
>      free(xml);
>      return conf;
>  }
> +
> +/**
> + * gvir_network_get_dhcp_leases:
> + * @network: the network
> + * @mac: (allow-none): The optional ASCII formatted MAC address of an interface
> + * @flags: placeholder for flags, must be 0
> + *
> + * @err: Place-holder for possible errors
> + *
> + * This function fetches leases info of guests in the specified network. If the
> + * optional parameter @mac is specified, the returned list will contain only
> + * lease info about a specific guest interface with @mac. There can be multiple
> + * leases for a single @mac because this API supports DHCPv6 too.
> + *
> + * Returns:  (element-type LibvirtGObject.NetworkDHCPLease) (transfer full): the
> + * list of network leases. Each object in the returned list should be unreffed
> + * with g_object_unref() and the list itself using g_list_free, when no longer
> + * needed.
> + */
> +GList *gvir_network_get_dhcp_leases(GVirNetwork *network,
> +                                    const char* mac,
> +                                    guint flags,
> +                                    GError **err)
> +{
> +    virNetworkDHCPLeasePtr *leases;
> +    GList *ret = NULL;
> +    int num_leases, i;
> +
> +    g_return_val_if_fail(GVIR_IS_NETWORK(network), NULL);
> +    g_return_val_if_fail(err == NULL || *err == NULL, NULL);
> +    g_return_val_if_fail(flags != 0, NULL);
> +
> +    num_leases = virNetworkGetDHCPLeases(network->priv->handle, mac, &leases, flags);
> +    if (num_leases < 0) {
> +        gvir_set_error_literal(err, GVIR_NETWORK_ERROR,
> +                               0,
> +                               "Unable to get network DHCP leases");
> +        return NULL;
> +    }
> +
> +    if (num_leases == 0)
> +        return NULL;
> +
> +    for (i = 0; i < num_leases; i++) {
> +        GVirNetworkDHCPLease *lease;
> +
> +        lease = gvir_network_dhcp_lease_new(leases[i]);
> +        ret = g_list_prepend(ret, lease);
> +    }
> +    ret = g_list_reverse(ret);
> +    free(leases);
> +
> +    return ret;

Could be return g_list_reverse(ret); and drop the ret =
g_list_reverse(ret); above, but both are good for me.

Christophe
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