Blame libvirt-gobject/libvirt-gobject-domain-device.c

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/*
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 * libvirt-gobject-domain-device.c: libvirt gobject integration
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 *
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 * Copyright (C) 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: Marc-André Lureau <marcandre.lureau@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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#include "libvirt-gobject/libvirt-gobject-domain-device-private.h"
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#define GVIR_DOMAIN_DEVICE_GET_PRIVATE(obj)                         \
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        (G_TYPE_INSTANCE_GET_PRIVATE((obj), GVIR_TYPE_DOMAIN_DEVICE, GVirDomainDevicePrivate))
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struct _GVirDomainDevicePrivate
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{
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    GVirDomain *domain;
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    GVirConfigDomainDevice *config;
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};
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G_DEFINE_ABSTRACT_TYPE_WITH_PRIVATE(GVirDomainDevice, gvir_domain_device, G_TYPE_OBJECT);
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enum {
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    PROP_0,
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    PROP_DOMAIN,
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    PROP_CONFIG,
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};
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static void gvir_domain_device_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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    GVirDomainDevice *self = GVIR_DOMAIN_DEVICE(object);
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    GVirDomainDevicePrivate *priv = self->priv;
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    switch (prop_id) {
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    case PROP_DOMAIN:
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        g_value_set_object(value, priv->domain);
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        break;
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    case PROP_CONFIG:
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        g_value_set_object(value, priv->config);
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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_domain_device_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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    GVirDomainDevice *self = GVIR_DOMAIN_DEVICE(object);
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    GVirDomainDevicePrivate *priv = self->priv;
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    switch (prop_id) {
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    case PROP_DOMAIN:
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        g_clear_object(&priv->domain);
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        priv->domain = g_value_dup_object(value);
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        break;
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    case PROP_CONFIG:
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        g_clear_object(&priv->config);
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        priv->config = g_value_dup_object(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_domain_device_finalize(GObject *object)
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{
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    GVirDomainDevice *self = GVIR_DOMAIN_DEVICE(object);
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    GVirDomainDevicePrivate *priv = self->priv;
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    g_clear_object(&priv->domain);
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    g_clear_object(&priv->config);
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    G_OBJECT_CLASS(gvir_domain_device_parent_class)->finalize(object);
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}
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static void gvir_domain_device_class_init(GVirDomainDeviceClass *klass)
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{
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    GObjectClass *object_class = G_OBJECT_CLASS (klass);
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    object_class->finalize = gvir_domain_device_finalize;
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    object_class->get_property = gvir_domain_device_get_property;
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    object_class->set_property = gvir_domain_device_set_property;
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    g_object_class_install_property(object_class,
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                                    PROP_DOMAIN,
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                                    g_param_spec_object("domain",
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                                                        "domain",
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                                                        "The associated domain",
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                                                        GVIR_TYPE_DOMAIN,
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                                                        G_PARAM_READWRITE |
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                                                        G_PARAM_CONSTRUCT_ONLY |
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                                                        G_PARAM_STATIC_STRINGS));
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    g_object_class_install_property(object_class,
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                                    PROP_CONFIG,
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                                    g_param_spec_object("config",
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                                                        "Config",
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                                                        "The configuration",
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                                                        GVIR_CONFIG_TYPE_DOMAIN_DEVICE,
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                                                        G_PARAM_READWRITE |
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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_domain_device_init(GVirDomainDevice *self)
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{
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    self->priv = GVIR_DOMAIN_DEVICE_GET_PRIVATE(self);
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}
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G_GNUC_INTERNAL
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virDomainPtr gvir_domain_device_get_domain_handle(GVirDomainDevice *self)
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{
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    virDomainPtr handle;
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    g_object_get(self->priv->domain, "handle", &handle, NULL);
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    return handle;
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}
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/**
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 * gvir_domain_device_get_domain:
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 * @device: the domain device
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 *
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 * Returns: (transfer full): the associated domain. The returned object
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 * should be unreffed with g_object_unref() when no longer needed.
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 */
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GVirDomain *gvir_domain_device_get_domain(GVirDomainDevice *device)
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{
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    g_return_val_if_fail(GVIR_IS_DOMAIN_DEVICE(device), NULL);
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    return g_object_ref (device->priv->domain);
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}
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/**
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 * gvir_domain_device_get_config:
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 * @device: the domain device
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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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GVirConfigDomainDevice *gvir_domain_device_get_config(GVirDomainDevice *device)
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{
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    g_return_val_if_fail(GVIR_IS_DOMAIN_DEVICE(device), NULL);
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    return g_object_ref (device->priv->config);
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}
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G_GNUC_INTERNAL GVirDomainDevice *gvir_domain_device_new(GVirDomain *domain,
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                                                         GVirConfigDomainDevice *config)
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{
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    GType type;
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    g_return_val_if_fail(GVIR_IS_DOMAIN(domain), NULL);
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    g_return_val_if_fail(GVIR_CONFIG_IS_DOMAIN_DEVICE(config), NULL);
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    if (GVIR_CONFIG_IS_DOMAIN_DISK(config)) {
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        type = GVIR_TYPE_DOMAIN_DISK;
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    } else if (GVIR_CONFIG_IS_DOMAIN_INTERFACE(config)) {
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        type = GVIR_TYPE_DOMAIN_INTERFACE;
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    } else {
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        g_debug("Unknown device type: %s", G_OBJECT_TYPE_NAME(config));
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        return NULL;
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    }
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    return GVIR_DOMAIN_DEVICE(g_object_new(type,
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                                           "config", config,
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                                           "domain", domain, NULL));
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}