[libvirt] [PATCH libvirt-glib 1/5] Add suport for setting <filesystem> elements

From: "Daniel P. Berrange" <berrange(a)redhat.com&gt; Create a new GVirConfigDomainFilesys object for dealing with the <filesystem> element. * libvirt-gconfig-domain-filesys.c, libvirt-gconfig-domain-filesys.h, Makefile.am, libvirt-gconfig.sym, libvirt-gconfig.h: New GVirConfigDomainFilesys object * libvirt-gconfig-object.c, libvirt-gconfig-object-private.h: Add gvir_config_object_delete_node for removing an XML node --- libvirt-gconfig/Makefile.am | 2 + libvirt-gconfig/libvirt-gconfig-domain-filesys.c | 181 ++++++++++++++++++++++ libvirt-gconfig/libvirt-gconfig-domain-filesys.h | 98 ++++++++++++ libvirt-gconfig/libvirt-gconfig-object-private.h | 2 + libvirt-gconfig/libvirt-gconfig-object.c | 25 +++ libvirt-gconfig/libvirt-gconfig.h | 1 + libvirt-gconfig/libvirt-gconfig.sym | 13 ++ 7 files changed, 322 insertions(+), 0 deletions(-) create mode 100644 libvirt-gconfig/libvirt-gconfig-domain-filesys.c create mode 100644 libvirt-gconfig/libvirt-gconfig-domain-filesys.h diff --git a/libvirt-gconfig/Makefile.am b/libvirt-gconfig/Makefile.am index 1879186..2c8c2a5 100644 --- a/libvirt-gconfig/Makefile.am +++ b/libvirt-gconfig/Makefile.am @@ -16,6 +16,7 @@ GCONFIG_HEADER_FILES = \ libvirt-gconfig-domain-clock.h \ libvirt-gconfig-domain-device.h \ libvirt-gconfig-domain-disk.h \ + libvirt-gconfig-domain-filesys.h \ libvirt-gconfig-domain-graphics.h \ libvirt-gconfig-domain-graphics-spice.h \ libvirt-gconfig-domain-input.h \ @@ -45,6 +46,7 @@ GCONFIG_SOURCE_FILES = \ libvirt-gconfig-domain-clock.c \ libvirt-gconfig-domain-device.c \ libvirt-gconfig-domain-disk.c \ + libvirt-gconfig-domain-filesys.c \ libvirt-gconfig-domain-graphics.c \ libvirt-gconfig-domain-graphics-spice.c \ libvirt-gconfig-domain-input.c \ diff --git a/libvirt-gconfig/libvirt-gconfig-domain-filesys.c b/libvirt-gconfig/libvirt-gconfig-domain-filesys.c new file mode 100644 index 0000000..6aa7f02 --- /dev/null +++ b/libvirt-gconfig/libvirt-gconfig-domain-filesys.c @@ -0,0 +1,181 @@ +/* + * libvirt-gobject-config-domain-filesys.c: libvirt glib integration + * + * Copyright (C) 2011 Red Hat + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Author: Christophe Fergeau <cfergeau(a)gmail.com&gt; + */ + +#include <config.h> + +#include <string.h> + +#include <libxml/tree.h> + +#include "libvirt-gconfig/libvirt-gconfig.h" +#include "libvirt-gconfig/libvirt-gconfig-helpers-private.h" +#include "libvirt-gconfig/libvirt-gconfig-object-private.h" + +#define GVIR_CONFIG_DOMAIN_FILESYS_GET_PRIVATE(obj) \ + (G_TYPE_INSTANCE_GET_PRIVATE((obj), GVIR_TYPE_CONFIG_DOMAIN_FILESYS, GVirConfigDomainFilesysPrivate)) + +struct _GVirConfigDomainFilesysPrivate +{ + GVirConfigDomainFilesysType type; +}; + +G_DEFINE_TYPE(GVirConfigDomainFilesys, gvir_config_domain_filesys, GVIR_TYPE_CONFIG_DOMAIN_DEVICE); + + +static void gvir_config_domain_filesys_class_init(GVirConfigDomainFilesysClass *klass) +{ + g_type_class_add_private(klass, sizeof(GVirConfigDomainFilesysPrivate)); +} + + +static void gvir_config_domain_filesys_init(GVirConfigDomainFilesys *filesys) +{ + g_debug("Init GVirConfigDomainFilesys=%p", filesys); + + filesys->priv = GVIR_CONFIG_DOMAIN_FILESYS_GET_PRIVATE(filesys); +} + + +GVirConfigDomainFilesys *gvir_config_domain_filesys_new(void) +{ + GVirConfigObject *object; + + object = gvir_config_object_new(GVIR_TYPE_CONFIG_DOMAIN_FILESYS, + "filesystem", NULL); + return GVIR_CONFIG_DOMAIN_FILESYS(object); +} + +GVirConfigDomainFilesys *gvir_config_domain_filesys_new_from_xml(const gchar *xml, + GError **error) +{ + GVirConfigObject *object; + + object = gvir_config_object_new_from_xml(GVIR_TYPE_CONFIG_DOMAIN_FILESYS, + "filesystem", NULL, xml, error); + return GVIR_CONFIG_DOMAIN_FILESYS(object); +} + +void gvir_config_domain_filesys_set_type(GVirConfigDomainFilesys *filesys, + GVirConfigDomainFilesysType type) +{ + xmlNodePtr node; + const char *type_str; + + g_return_if_fail(GVIR_IS_CONFIG_DOMAIN_FILESYS(filesys)); + + node = gvir_config_object_get_xml_node(GVIR_CONFIG_OBJECT(filesys)); + g_return_if_fail(node != NULL); + type_str = gvir_config_genum_get_nick(GVIR_TYPE_CONFIG_DOMAIN_FILESYS_TYPE, + type); + g_return_if_fail(type_str != NULL); + xmlNewProp(node, (xmlChar*)"type", (xmlChar*)type_str); + filesys->priv->type = type; +} + +void gvir_config_domain_filesys_set_access_type(GVirConfigDomainFilesys *filesys, + GVirConfigDomainFilesysAccessType type) +{ + xmlNodePtr node; + const char *type_str; + + g_return_if_fail(GVIR_IS_CONFIG_DOMAIN_FILESYS(filesys)); + + node = gvir_config_object_get_xml_node(GVIR_CONFIG_OBJECT(filesys)); + g_return_if_fail(node != NULL); + type_str = gvir_config_genum_get_nick(GVIR_TYPE_CONFIG_DOMAIN_FILESYS_ACCESS_TYPE, + type); + g_return_if_fail(type_str != NULL); + xmlNewProp(node, (xmlChar*)"accesmode", (xmlChar*)type_str); +} + +void gvir_config_domain_filesys_set_driver_type(GVirConfigDomainFilesys *filesys, + GVirConfigDomainFilesysDriverType type) +{ + GVirConfigObject *node; + + g_return_if_fail(GVIR_IS_CONFIG_DOMAIN_FILESYS(filesys)); + node = gvir_config_object_add_child(GVIR_CONFIG_OBJECT(filesys), "driver"); + g_return_if_fail(GVIR_IS_CONFIG_OBJECT(node)); + if (type != GVIR_CONFIG_DOMAIN_FILESYS_DRIVER_DEFAULT) + gvir_config_object_set_attribute_with_type( + node, "type", + GVIR_TYPE_CONFIG_DOMAIN_FILESYS_DRIVER_TYPE, + type, NULL); + /* else XXX delete existing attribute ? */ + g_object_unref(G_OBJECT(node)); +} + +void gvir_config_domain_filesys_set_source(GVirConfigDomainFilesys *filesys, + const char *source) +{ + GVirConfigObject *source_node; + const char *attribute_name; + + g_return_if_fail(GVIR_IS_CONFIG_DOMAIN_FILESYS(filesys)); + source_node = gvir_config_object_replace_child(GVIR_CONFIG_OBJECT(filesys), + "source"); + g_return_if_fail(source_node != NULL); + + switch (filesys->priv->type) { + case GVIR_CONFIG_DOMAIN_FILESYS_MOUNT: + attribute_name = "dir"; + break; + case GVIR_CONFIG_DOMAIN_FILESYS_FILE: + attribute_name = "file"; + break; + case GVIR_CONFIG_DOMAIN_FILESYS_BLOCK: + attribute_name = "dev"; + break; + case GVIR_CONFIG_DOMAIN_FILESYS_TEMPLATE: + attribute_name = "name"; + break; + default: + g_return_if_reached(); + } + + gvir_config_object_set_attribute(source_node, + attribute_name, source, + NULL); + g_object_unref(G_OBJECT(source_node)); +} + + +void gvir_config_domain_filesys_set_target(GVirConfigDomainFilesys *filesys, + const char *path) +{ + GVirConfigObject *node; + + g_return_if_fail(GVIR_IS_CONFIG_DOMAIN_FILESYS(filesys)); + node = gvir_config_object_add_child(GVIR_CONFIG_OBJECT(filesys), "target"); + g_return_if_fail(GVIR_IS_CONFIG_OBJECT(node)); + gvir_config_object_set_attribute(node, "dir", path, NULL); + g_object_unref(G_OBJECT(node)); +} + +void gvir_config_domain_filesys_set_readonly(GVirConfigDomainFilesys *filesys, + gboolean readonly) +{ + if (readonly) + gvir_config_object_replace_child(GVIR_CONFIG_OBJECT(filesys), "readonly"); + else + gvir_config_object_delete_child(GVIR_CONFIG_OBJECT(filesys), "readonly"); +} diff --git a/libvirt-gconfig/libvirt-gconfig-domain-filesys.h b/libvirt-gconfig/libvirt-gconfig-domain-filesys.h new file mode 100644 index 0000000..bfb98df --- /dev/null +++ b/libvirt-gconfig/libvirt-gconfig-domain-filesys.h @@ -0,0 +1,98 @@ +/* + * libvirt-gobject-domain-filesys.c: libvirt gobject integration + * + * Copyright (C) 2011 Red Hat + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Author: Christophe Fergeau <cfergeau(a)gmail.com&gt; + */ + +#if !defined(__LIBVIRT_GCONFIG_H__) && !defined(LIBVIRT_GCONFIG_BUILD) +#error "Only <libvirt-gconfig/libvirt-gconfig.h> can be included directly." +#endif + +#ifndef __LIBVIRT_GCONFIG_DOMAIN_FILESYS_H__ +#define __LIBVIRT_GCONFIG_DOMAIN_FILESYS_H__ + +G_BEGIN_DECLS + +#define GVIR_TYPE_CONFIG_DOMAIN_FILESYS (gvir_config_domain_filesys_get_type ()) +#define GVIR_CONFIG_DOMAIN_FILESYS(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GVIR_TYPE_CONFIG_DOMAIN_FILESYS, GVirConfigDomainFilesys)) +#define GVIR_CONFIG_DOMAIN_FILESYS_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GVIR_TYPE_CONFIG_DOMAIN_FILESYS, GVirConfigDomainFilesysClass)) +#define GVIR_IS_CONFIG_DOMAIN_FILESYS(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GVIR_TYPE_CONFIG_DOMAIN_FILESYS)) +#define GVIR_IS_CONFIG_DOMAIN_FILESYS_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GVIR_TYPE_CONFIG_DOMAIN_FILESYS)) +#define GVIR_CONFIG_DOMAIN_FILESYS_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GVIR_TYPE_CONFIG_DOMAIN_FILESYS, GVirConfigDomainFilesysClass)) + +typedef struct _GVirConfigDomainFilesys GVirConfigDomainFilesys; +typedef struct _GVirConfigDomainFilesysPrivate GVirConfigDomainFilesysPrivate; +typedef struct _GVirConfigDomainFilesysClass GVirConfigDomainFilesysClass; + +struct _GVirConfigDomainFilesys +{ + GVirConfigDomainDevice parent; + + GVirConfigDomainFilesysPrivate *priv; + + /* Do not add fields to this struct */ +}; + +struct _GVirConfigDomainFilesysClass +{ + GVirConfigDomainDeviceClass parent_class; + + gpointer padding[20]; +}; + +typedef enum { + GVIR_CONFIG_DOMAIN_FILESYS_MOUNT, + GVIR_CONFIG_DOMAIN_FILESYS_BLOCK, + GVIR_CONFIG_DOMAIN_FILESYS_FILE, + GVIR_CONFIG_DOMAIN_FILESYS_TEMPLATE, +} GVirConfigDomainFilesysType; + +typedef enum { + GVIR_CONFIG_DOMAIN_FILESYS_ACCESS_PASSTHROUGH, + GVIR_CONFIG_DOMAIN_FILESYS_ACCESS_MAPPED, + GVIR_CONFIG_DOMAIN_FILESYS_ACCESS_SQUASHED, +} GVirConfigDomainFilesysAccessType; + +typedef enum { + GVIR_CONFIG_DOMAIN_FILESYS_DRIVER_DEFAULT, + GVIR_CONFIG_DOMAIN_FILESYS_DRIVER_PATH, + GVIR_CONFIG_DOMAIN_FILESYS_DRIVER_HANDLE, +} GVirConfigDomainFilesysDriverType; + +GType gvir_config_domain_filesys_get_type(void); + +GVirConfigDomainFilesys *gvir_config_domain_filesys_new(void); +GVirConfigDomainFilesys *gvir_config_domain_filesys_new_from_xml(const gchar *xml, + GError **error); + +void gvir_config_domain_filesys_set_type(GVirConfigDomainFilesys *filesys, + GVirConfigDomainFilesysType type); +void gvir_config_domain_filesys_set_access_type(GVirConfigDomainFilesys *filesys, + GVirConfigDomainFilesysAccessType type); +void gvir_config_domain_filesys_set_driver_type(GVirConfigDomainFilesys *filesys, + GVirConfigDomainFilesysDriverType type); +void gvir_config_domain_filesys_set_source(GVirConfigDomainFilesys *filesys, + const char *source); +void gvir_config_domain_filesys_set_target(GVirConfigDomainFilesys *filesys, + const char *target); +void gvir_config_domain_filesys_set_readonly(GVirConfigDomainFilesys *filesys, + gboolean readonly); +G_END_DECLS + +#endif /* __LIBVIRT_GCONFIG_DOMAIN_FILESYS_H__ */ diff --git a/libvirt-gconfig/libvirt-gconfig-object-private.h b/libvirt-gconfig/libvirt-gconfig-object-private.h index f196be6..c564ac5 100644 --- a/libvirt-gconfig/libvirt-gconfig-object-private.h +++ b/libvirt-gconfig/libvirt-gconfig-object-private.h @@ -39,6 +39,8 @@ GVirConfigObject *gvir_config_object_add_child(GVirConfigObject *object, const char *child_name); GVirConfigObject *gvir_config_object_replace_child(GVirConfigObject *object, const char *child_name); +void gvir_config_object_delete_child(GVirConfigObject *object, + const char *child_name); void gvir_config_object_set_child(GVirConfigObject *object, xmlNodePtr child); diff --git a/libvirt-gconfig/libvirt-gconfig-object.c b/libvirt-gconfig/libvirt-gconfig-object.c index 902e014..7fb1d4f 100644 --- a/libvirt-gconfig/libvirt-gconfig-object.c +++ b/libvirt-gconfig/libvirt-gconfig-object.c @@ -380,6 +380,31 @@ gvir_config_object_replace_child(GVirConfigObject *object, NULL)); } + +G_GNUC_INTERNAL void +gvir_config_object_delete_child(GVirConfigObject *object, + const char *child_name) +{ + xmlNodePtr parent_node; + xmlNodePtr old_node; + + g_return_if_fail(GVIR_IS_CONFIG_OBJECT(object)); + g_return_if_fail(child_name != NULL); + + parent_node = gvir_config_object_get_xml_node(GVIR_CONFIG_OBJECT(object)); + g_return_if_fail (parent_node != NULL); + + if (!(old_node = gvir_config_xml_get_element(parent_node, child_name, NULL))) + return; + + /* FIXME: should we make sure there are no multiple occurrences + * of this node? + */ + xmlUnlinkNode(old_node); + xmlFreeNode(old_node); +} + + G_GNUC_INTERNAL void gvir_config_object_set_node_content(GVirConfigObject *object, const char *node_name, diff --git a/libvirt-gconfig/libvirt-gconfig.h b/libvirt-gconfig/libvirt-gconfig.h index ad9f59a..ed7623c 100644 --- a/libvirt-gconfig/libvirt-gconfig.h +++ b/libvirt-gconfig/libvirt-gconfig.h @@ -33,6 +33,7 @@ #include <libvirt-gconfig/libvirt-gconfig-domain-clock.h> #include <libvirt-gconfig/libvirt-gconfig-domain-device.h> #include <libvirt-gconfig/libvirt-gconfig-domain-disk.h> +#include <libvirt-gconfig/libvirt-gconfig-domain-filesys.h> #include <libvirt-gconfig/libvirt-gconfig-domain-graphics.h> #include <libvirt-gconfig/libvirt-gconfig-domain-graphics-spice.h> #include <libvirt-gconfig/libvirt-gconfig-domain-input.h> diff --git a/libvirt-gconfig/libvirt-gconfig.sym b/libvirt-gconfig/libvirt-gconfig.sym index 9da3933..3ad7b1f 100644 --- a/libvirt-gconfig/libvirt-gconfig.sym +++ b/libvirt-gconfig/libvirt-gconfig.sym @@ -47,6 +47,19 @@ LIBVIRT_GCONFIG_0.0.1 { gvir_config_domain_disk_set_target_dev; gvir_config_domain_disk_set_type; + gvir_config_domain_filesys_get_type; + gvir_config_domain_filesys_type_get_type; + gvir_config_domain_filesys_access_type_get_type; + gvir_config_domain_filesys_driver_type_get_type; + gvir_config_domain_filesys_new; + gvir_config_domain_filesys_new_from_xml; + gvir_config_domain_filesys_set_access_type; + gvir_config_domain_filesys_set_driver_type; + gvir_config_domain_filesys_set_readonly; + gvir_config_domain_filesys_set_source; + gvir_config_domain_filesys_set_target; + gvir_config_domain_filesys_set_type; + gvir_config_domain_graphics_get_type; gvir_config_domain_graphics_spice_get_type; -- 1.7.6.4