[libvirt] [PATCH glib] Make use of DHCP API conditionally compiled
Zeeshan Ali (Khattak)
zeeshanak at gnome.org
Tue Jul 21 14:56:54 UTC 2015
On Tue, Jul 21, 2015 at 3:20 PM, Daniel P. Berrange <berrange at redhat.com> wrote:
> Previously the use of virDomainOpenGraphicsFD API from libvirt
> 1.2.8 was made to be conditionally compiled. Given this past
> practice, make use of the virNetworkGetDHCPLeases API
> conditional too, rather than requiring newer libvirt.
> ---
> configure.ac | 6 ++-
> .../libvirt-gobject-network-dhcp-lease.c | 50 ++++++++++++++++++++++
> libvirt-gobject/libvirt-gobject-network.c | 12 ++++++
> 3 files changed, 67 insertions(+), 1 deletion(-)
>
> diff --git a/configure.ac b/configure.ac
> index 26beada..228788e 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -9,7 +9,7 @@ AC_CANONICAL_HOST
>
> AM_SILENT_RULES([yes])
>
> -LIBVIRT_REQUIRED=1.2.6
> +LIBVIRT_REQUIRED=0.10.2
> AC_SUBST([LIBVIRT_REQUIRED]) dnl used in the .spec file
> GLIB2_REQUIRED=2.36.0
> AC_SUBST([GLIB2_REQUIRED]) dnl used in the .spec file
> @@ -97,6 +97,10 @@ PKG_CHECK_MODULES(LIBVIRT, libvirt >= $LIBVIRT_REQUIRED)
> AC_CHECK_LIB([virt],
> [virDomainOpenGraphicsFD],
> [AC_DEFINE([HAVE_VIR_DOMAIN_OPEN_GRAPHICS_FD], 1, [Have virDomainOpenGraphicsFD?])])
> +# virNetworkGetDHCPLeases was introduced in libvirt 1.2.6
> +AC_CHECK_LIB([virt],
> + [virNetworkGetDHCPLeases],
> + [AC_DEFINE([HAVE_VIR_NETWORK_GET_DHCP_LEASES], 1, [Have virNetworkGetDHCPLeases?])])
> enable_tests=no
> PKG_CHECK_MODULES(GLIB2, glib-2.0 >= $GLIB2_TEST_REQUIRED,
> [enable_tests=yes],
> diff --git a/libvirt-gobject/libvirt-gobject-network-dhcp-lease.c b/libvirt-gobject/libvirt-gobject-network-dhcp-lease.c
> index 6ac3c14..90a402b 100644
> --- a/libvirt-gobject/libvirt-gobject-network-dhcp-lease.c
> +++ b/libvirt-gobject/libvirt-gobject-network-dhcp-lease.c
> @@ -30,14 +30,20 @@
> #include "libvirt-glib/libvirt-glib.h"
> #include "libvirt-gobject/libvirt-gobject.h"
> #include "libvirt-gobject-compat.h"
> +#ifdef HAVE_VIR_NETWORK_GET_DHCP_LEASES
> #include "libvirt-gobject/libvirt-gobject-network-dhcp-lease-private.h"
> +#endif /* HAVE_VIR_NETWORK_GET_DHCP_LEASES */
>
> #define GVIR_NETWORK_DHCP_LEASE_GET_PRIVATE(obj) \
> (G_TYPE_INSTANCE_GET_PRIVATE((obj), GVIR_TYPE_NETWORK_DHCP_LEASE, GVirNetworkDHCPLeasePrivate))
>
> struct _GVirNetworkDHCPLeasePrivate
> {
> +#ifdef HAVE_VIR_NETWORK_GET_DHCP_LEASES
> virNetworkDHCPLeasePtr handle;
> +#else
> + void *handle;
> +#endif /* HAVE_VIR_NETWORK_GET_DHCP_LEASES */
> };
>
> G_DEFINE_TYPE(GVirNetworkDHCPLease, gvir_network_dhcp_lease, G_TYPE_OBJECT);
> @@ -75,8 +81,10 @@ static void gvir_network_dhcp_lease_set_property(GObject *object,
>
> switch (prop_id) {
> case PROP_HANDLE:
> +#ifdef HAVE_VIR_NETWORK_GET_DHCP_LEASES
> if (priv->handle)
> virNetworkDHCPLeaseFree(priv->handle);
> +#endif /* HAVE_VIR_NETWORK_GET_DHCP_LEASES */
> priv->handle = g_value_get_pointer(value);
> break;
>
> @@ -89,11 +97,15 @@ static void gvir_network_dhcp_lease_set_property(GObject *object,
> static void gvir_network_dhcp_lease_finalize(GObject *object)
> {
> GVirNetworkDHCPLease *lease = GVIR_NETWORK_DHCP_LEASE(object);
> +#ifdef HAVE_VIR_NETWORK_GET_DHCP_LEASES
> GVirNetworkDHCPLeasePrivate *priv = lease->priv;
> +#endif /* HAVE_VIR_NETWORK_GET_DHCP_LEASES */
>
> g_debug("Finalize GVirNetworkDHCPLease=%p", lease);
Why not just move this debug below to avoid adding two #ifdef here?
> +#ifdef HAVE_VIR_NETWORK_GET_DHCP_LEASES
> virNetworkDHCPLeaseFree(priv->handle);
> +#endif /* HAVE_VIR_NETWORK_GET_DHCP_LEASES */
>
> G_OBJECT_CLASS(gvir_network_dhcp_lease_parent_class)->finalize(object);
> }
> @@ -127,12 +139,14 @@ static void gvir_network_dhcp_lease_init(GVirNetworkDHCPLease *lease)
> lease->priv = GVIR_NETWORK_DHCP_LEASE_GET_PRIVATE(lease);
> }
>
> +#ifdef HAVE_VIR_NETWORK_GET_DHCP_LEASES
> GVirNetworkDHCPLease *gvir_network_dhcp_lease_new(virNetworkDHCPLeasePtr handle)
> {
> return g_object_new(GVIR_TYPE_NETWORK_DHCP_LEASE,
> "handle", handle,
> NULL);
> }
> +#endif /* HAVE_VIR_NETWORK_GET_DHCP_LEASES */
>
> /**
> * gvir_network_dhcp_lease_get_iface:
> @@ -144,7 +158,11 @@ const gchar *gvir_network_dhcp_lease_get_iface(GVirNetworkDHCPLease *lease)
> {
> g_return_val_if_fail(GVIR_IS_NETWORK_DHCP_LEASE(lease), NULL);
>
> +#ifdef HAVE_VIR_NETWORK_GET_DHCP_LEASES
> return lease->priv->handle->iface;
> +#else /* HAVE_VIR_NETWORK_GET_DHCP_LEASES */
> + return NULL;
> +#endif /* HAVE_VIR_NETWORK_GET_DHCP_LEASES */
> }
>
> /**
> @@ -157,7 +175,11 @@ gint64 gvir_network_dhcp_lease_get_expiry_time(GVirNetworkDHCPLease *lease)
> {
> g_return_val_if_fail(GVIR_IS_NETWORK_DHCP_LEASE(lease), -1);
>
> +#ifdef HAVE_VIR_NETWORK_GET_DHCP_LEASES
> return lease->priv->handle->expirytime;
> +#else /* HAVE_VIR_NETWORK_GET_DHCP_LEASES */
> + return -1;
> +#endif /* HAVE_VIR_NETWORK_GET_DHCP_LEASES */
> }
>
> /**
> @@ -170,7 +192,11 @@ gint gvir_network_dhcp_lease_get_ip_type(GVirNetworkDHCPLease *lease)
> {
> g_return_val_if_fail(GVIR_IS_NETWORK_DHCP_LEASE(lease), -1);
>
> +#ifdef HAVE_VIR_NETWORK_GET_DHCP_LEASES
> return lease->priv->handle->type;
> +#else /* HAVE_VIR_NETWORK_GET_DHCP_LEASES */
> + return -1;
> +#endif /* HAVE_VIR_NETWORK_GET_DHCP_LEASES */
> }
>
> /**
> @@ -183,7 +209,11 @@ const gchar *gvir_network_dhcp_lease_get_mac(GVirNetworkDHCPLease *lease)
> {
> g_return_val_if_fail(GVIR_IS_NETWORK_DHCP_LEASE(lease), NULL);
>
> +#ifdef HAVE_VIR_NETWORK_GET_DHCP_LEASES
> return lease->priv->handle->mac;
> +#else /* HAVE_VIR_NETWORK_GET_DHCP_LEASES */
> + return NULL;
> +#endif /* HAVE_VIR_NETWORK_GET_DHCP_LEASES */
> }
>
> /**
> @@ -196,7 +226,11 @@ const gchar *gvir_network_dhcp_lease_get_iaid(GVirNetworkDHCPLease *lease)
> {
> g_return_val_if_fail(GVIR_IS_NETWORK_DHCP_LEASE(lease), NULL);
>
> +#ifdef HAVE_VIR_NETWORK_GET_DHCP_LEASES
> return lease->priv->handle->iaid;
> +#else /* HAVE_VIR_NETWORK_GET_DHCP_LEASES */
> + return NULL;
> +#endif /* HAVE_VIR_NETWORK_GET_DHCP_LEASES */
> }
>
> /**
> @@ -209,7 +243,11 @@ const gchar *gvir_network_dhcp_lease_get_ip(GVirNetworkDHCPLease *lease)
> {
> g_return_val_if_fail(GVIR_IS_NETWORK_DHCP_LEASE(lease), NULL);
>
> +#ifdef HAVE_VIR_NETWORK_GET_DHCP_LEASES
> return lease->priv->handle->ipaddr;
> +#else /* HAVE_VIR_NETWORK_GET_DHCP_LEASES */
> + return NULL;
> +#endif /* HAVE_VIR_NETWORK_GET_DHCP_LEASES */
> }
>
> /**
> @@ -222,7 +260,11 @@ guint gvir_network_dhcp_lease_get_prefix(GVirNetworkDHCPLease *lease)
> {
> g_return_val_if_fail(GVIR_IS_NETWORK_DHCP_LEASE(lease), 0);
>
> +#ifdef HAVE_VIR_NETWORK_GET_DHCP_LEASES
> return lease->priv->handle->prefix;
> +#else /* HAVE_VIR_NETWORK_GET_DHCP_LEASES */
> + return 0;
> +#endif /* HAVE_VIR_NETWORK_GET_DHCP_LEASES */
> }
>
> /**
> @@ -235,7 +277,11 @@ const gchar *gvir_network_dhcp_lease_get_hostname(GVirNetworkDHCPLease *lease)
> {
> g_return_val_if_fail(GVIR_IS_NETWORK_DHCP_LEASE(lease), NULL);
>
> +#ifdef HAVE_VIR_NETWORK_GET_DHCP_LEASES
> return lease->priv->handle->hostname;
> +#else /* HAVE_VIR_NETWORK_GET_DHCP_LEASES */
> + return NULL;
> +#endif /* HAVE_VIR_NETWORK_GET_DHCP_LEASES */
> }
>
> /**
> @@ -248,5 +294,9 @@ const gchar *gvir_network_dhcp_lease_get_client_id(GVirNetworkDHCPLease *lease)
> {
> g_return_val_if_fail(GVIR_IS_NETWORK_DHCP_LEASE(lease), NULL);
>
> +#ifdef HAVE_VIR_NETWORK_GET_DHCP_LEASES
> return lease->priv->handle->clientid;
> +#else /* HAVE_VIR_NETWORK_GET_DHCP_LEASES */
> + return NULL;
> +#endif /* HAVE_VIR_NETWORK_GET_DHCP_LEASES */
> }
> diff --git a/libvirt-gobject/libvirt-gobject-network.c b/libvirt-gobject/libvirt-gobject-network.c
> index 45dbb71..a278105 100644
> --- a/libvirt-gobject/libvirt-gobject-network.c
> +++ b/libvirt-gobject/libvirt-gobject-network.c
> @@ -29,7 +29,9 @@
> #include "libvirt-glib/libvirt-glib.h"
> #include "libvirt-gobject/libvirt-gobject.h"
> #include "libvirt-gobject-compat.h"
> +#ifdef HAVE_VIR_NETWORK_GET_DHCP_LEASES
> #include "libvirt-gobject/libvirt-gobject-network-dhcp-lease-private.h"
> +#endif /* HAVE_VIR_NETWORK_GET_DHCP_LEASES */
>
> #define GVIR_NETWORK_GET_PRIVATE(obj) \
> (G_TYPE_INSTANCE_GET_PRIVATE((obj), GVIR_TYPE_NETWORK, GVirNetworkPrivate))
> @@ -249,14 +251,17 @@ GList *gvir_network_get_dhcp_leases(GVirNetwork *network,
> guint flags,
> GError **err)
> {
> +#ifdef HAVE_VIR_NETWORK_GET_DHCP_LEASES
> virNetworkDHCPLeasePtr *leases;
> GList *ret = NULL;
> int num_leases, i;
> +#endif /* HAVE_VIR_NETWORK_GET_DHCP_LEASES */
>
> 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);
>
> +#ifdef HAVE_VIR_NETWORK_GET_DHCP_LEASES
Similarly here. I'd just add on #ifdef. If macro is not defined, just
return NULL.
> num_leases = virNetworkGetDHCPLeases(network->priv->handle, mac, &leases, flags);
> if (num_leases < 0) {
> gvir_set_error_literal(err, GVIR_NETWORK_ERROR,
> @@ -277,4 +282,11 @@ GList *gvir_network_get_dhcp_leases(GVirNetwork *network,
> free(leases);
>
> return g_list_reverse(ret);
> +#else /* HAVE_VIR_NETWORK_GET_DHCP_LEASES */
> + (void)mac;
> + gvir_set_error_literal(err, GVIR_NETWORK_ERROR,
> + 0,
> + "Unable to get network DHCP leases");
> + return NULL;
> +#endif /* HAVE_VIR_NETWORK_GET_DHCP_LEASES */
> }
> --
> 2.4.3
>
--
Regards,
Zeeshan Ali (Khattak)
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