Blame libvirt-gobject/libvirt-gobject-network-filter.c

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/*
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 * libvirt-gobject-network_filter.c: libvirt glib integration
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 *
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 * Copyright (C) 2008 Daniel P. Berrange
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 * Copyright (C) 2010-2011 Red Hat, Inc.
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 *
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 * This library is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2.1 of the License, or (at your option) any later version.
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 *
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 * This library is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with this library. If not, see
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 * <http://www.gnu.org/licenses/>.
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 *
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 * Author: Daniel P. Berrange <berrange@redhat.com>
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 */
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#include <config.h>
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#include <libvirt/virterror.h>
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#include <string.h>
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#include "libvirt-glib/libvirt-glib.h"
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#include "libvirt-gobject/libvirt-gobject.h"
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#include "libvirt-gobject-compat.h"
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#define GVIR_NETWORK_FILTER_GET_PRIVATE(obj)                         \
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        (G_TYPE_INSTANCE_GET_PRIVATE((obj), GVIR_TYPE_NETWORK_FILTER, GVirNetworkFilterPrivate))
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struct _GVirNetworkFilterPrivate
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{
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    virNWFilterPtr handle;
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    gchar uuid[VIR_UUID_STRING_BUFLEN];
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};
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G_DEFINE_TYPE_WITH_PRIVATE(GVirNetworkFilter, gvir_network_filter, G_TYPE_OBJECT);
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enum {
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    PROP_0,
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    PROP_HANDLE,
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};
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#define GVIR_NETWORK_FILTER_ERROR gvir_network_filter_error_quark()
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static GQuark
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gvir_network_filter_error_quark(void)
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{
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    return g_quark_from_static_string("gvir-network_filter");
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}
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static void gvir_network_filter_get_property(GObject *object,
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                                             guint prop_id,
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                                             GValue *value,
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                                             GParamSpec *pspec)
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{
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    GVirNetworkFilter *nf = GVIR_NETWORK_FILTER(object);
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    GVirNetworkFilterPrivate *priv = nf->priv;
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    switch (prop_id) {
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    case PROP_HANDLE:
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        g_value_set_boxed(value, priv->handle);
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        break;
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    default:
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        G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
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    }
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}
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static void gvir_network_filter_set_property(GObject *object,
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                                             guint prop_id,
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                                             const GValue *value,
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                                             GParamSpec *pspec)
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{
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    GVirNetworkFilter *nf = GVIR_NETWORK_FILTER(object);
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    GVirNetworkFilterPrivate *priv = nf->priv;
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    switch (prop_id) {
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    case PROP_HANDLE:
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        if (priv->handle)
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            virNWFilterFree(priv->handle);
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        priv->handle = g_value_dup_boxed(value);
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        break;
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    default:
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        G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
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    }
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}
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static void gvir_network_filter_finalize(GObject *object)
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{
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    GVirNetworkFilter *nf = GVIR_NETWORK_FILTER(object);
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    GVirNetworkFilterPrivate *priv = nf->priv;
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    virNWFilterFree(priv->handle);
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    G_OBJECT_CLASS(gvir_network_filter_parent_class)->finalize(object);
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}
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static void gvir_network_filter_constructed(GObject *object)
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{
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    GVirNetworkFilter *nf = GVIR_NETWORK_FILTER(object);
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    GVirNetworkFilterPrivate *priv = nf->priv;
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    G_OBJECT_CLASS(gvir_network_filter_parent_class)->constructed(object);
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    /* xxx we may want to turn this into an initable */
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    if (virNWFilterGetUUIDString(priv->handle, priv->uuid) < 0)
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        gvir_warning("Failed to get network filter UUID on %p",
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                     priv->handle);
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}
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static void gvir_network_filter_class_init(GVirNetworkFilterClass *klass)
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{
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    GObjectClass *object_class = G_OBJECT_CLASS (klass);
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    object_class->finalize = gvir_network_filter_finalize;
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    object_class->get_property = gvir_network_filter_get_property;
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    object_class->set_property = gvir_network_filter_set_property;
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    object_class->constructed = gvir_network_filter_constructed;
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    g_object_class_install_property(object_class,
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                                    PROP_HANDLE,
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                                    g_param_spec_boxed("handle",
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                                                       "Handle",
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                                                       "The network_filter handle",
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                                                       GVIR_TYPE_NETWORK_FILTER_HANDLE,
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                                                       G_PARAM_READABLE |
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                                                       G_PARAM_WRITABLE |
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                                                       G_PARAM_CONSTRUCT_ONLY |
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                                                       G_PARAM_STATIC_STRINGS));
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}
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static void gvir_network_filter_init(GVirNetworkFilter *filter)
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{
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    filter->priv = GVIR_NETWORK_FILTER_GET_PRIVATE(filter);
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}
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typedef struct virNWFilter GVirNetworkFilterHandle;
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static GVirNetworkFilterHandle*
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gvir_network_filter_handle_copy(GVirNetworkFilterHandle *src)
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{
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    virNWFilterRef((virNWFilterPtr)src);
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    return src;
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}
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static void
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gvir_network_filter_handle_free(GVirNetworkFilterHandle *src)
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{
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    virNWFilterFree((virNWFilterPtr)src);
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}
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G_DEFINE_BOXED_TYPE(GVirNetworkFilterHandle, gvir_network_filter_handle,
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                    gvir_network_filter_handle_copy, gvir_network_filter_handle_free)
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const gchar *gvir_network_filter_get_name(GVirNetworkFilter *filter)
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{
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    const char *name;
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    g_return_val_if_fail(GVIR_IS_NETWORK_FILTER(filter), NULL);
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    if (!(name = virNWFilterGetName(filter->priv->handle))) {
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        gvir_warning("Failed to get network_filter name on %p",
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                     filter->priv->handle);
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        return NULL;
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    }
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    return name;
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}
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const gchar *gvir_network_filter_get_uuid(GVirNetworkFilter *filter)
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{
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    g_return_val_if_fail(GVIR_IS_NETWORK_FILTER(filter), NULL);
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    return filter->priv->uuid;
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}
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/**
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 * gvir_network_filter_get_config:
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 * @filter: the network_filter
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 * @flags: the flags
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 * @err: Place-holder for possible errors
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 *
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 * Returns: (transfer full): the config. The returned object should be
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 * unreffed with g_object_unref() when no longer needed.
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 */
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GVirConfigNetworkFilter *gvir_network_filter_get_config
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                                (GVirNetworkFilter *filter,
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                                 guint flags,
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                                 GError **err)
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{
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    GVirNetworkFilterPrivate *priv;
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    gchar *xml;
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    g_return_val_if_fail(GVIR_IS_NETWORK_FILTER(filter), NULL);
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    g_return_val_if_fail(err == NULL || *err == NULL, NULL);
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    priv = filter->priv;
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    if (!(xml = virNWFilterGetXMLDesc(priv->handle, flags))) {
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        gvir_set_error_literal(err, GVIR_NETWORK_FILTER_ERROR,
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                               0,
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                               "Unable to get network_filter XML config");
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        return NULL;
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    }
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    GVirConfigNetworkFilter *conf = gvir_config_network_filter_new_from_xml(xml, err);
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    free(xml);
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    return conf;
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}