use std::{ptr, str};
use crate::connect::Connect;
use crate::domain::Domain;
use crate::error::Error;
#[derive(Debug)]
pub struct DomainSnapshot {
ptr: Option<sys::virDomainSnapshotPtr>,
}
impl Drop for DomainSnapshot {
fn drop(&mut self) {
if self.ptr.is_some() {
if let Err(e) = self.free() {
panic!("Unable to drop memory for DomainSnapshot: {}", e)
}
}
}
}
impl DomainSnapshot {
pub fn new(ptr: sys::virDomainSnapshotPtr) -> DomainSnapshot {
DomainSnapshot { ptr: Some(ptr) }
}
pub fn as_ptr(&self) -> sys::virDomainSnapshotPtr {
self.ptr.unwrap()
}
pub fn get_connect(&self) -> Result<Connect, Error> {
unsafe {
let ptr = sys::virDomainSnapshotGetConnect(self.as_ptr());
if ptr.is_null() {
return Err(Error::last_error());
}
Ok(Connect::new(ptr))
}
}
pub fn get_domain(&self) -> Result<Domain, Error> {
unsafe {
let ptr = sys::virDomainSnapshotGetDomain(self.as_ptr());
if ptr.is_null() {
return Err(Error::last_error());
}
Ok(Domain::new(ptr))
}
}
pub fn get_name(&self) -> Result<String, Error> {
unsafe {
let n = sys::virDomainSnapshotGetName(self.as_ptr());
if n.is_null() {
return Err(Error::last_error());
}
Ok(c_chars_to_string!(n, nofree))
}
}
pub fn lookup_by_name(dom: &Domain, name: &str, flags: u32) -> Result<DomainSnapshot, Error> {
unsafe {
let ptr = sys::virDomainSnapshotLookupByName(
dom.as_ptr(),
string_to_c_chars!(name),
flags as libc::c_uint,
);
if ptr.is_null() {
return Err(Error::last_error());
}
Ok(DomainSnapshot::new(ptr))
}
}
pub fn get_xml_desc(&self, flags: u32) -> Result<String, Error> {
unsafe {
let xml = sys::virDomainSnapshotGetXMLDesc(self.as_ptr(), flags as libc::c_uint);
if xml.is_null() {
return Err(Error::last_error());
}
Ok(c_chars_to_string!(xml))
}
}
pub fn create_xml(dom: &Domain, xml: &str, flags: u32) -> Result<DomainSnapshot, Error> {
unsafe {
let ptr = sys::virDomainSnapshotCreateXML(
dom.as_ptr(),
string_to_c_chars!(xml),
flags as libc::c_uint,
);
if ptr.is_null() {
return Err(Error::last_error());
}
Ok(DomainSnapshot::new(ptr))
}
}
pub fn current(dom: &Domain, flags: u32) -> Result<DomainSnapshot, Error> {
unsafe {
let ptr = sys::virDomainSnapshotCurrent(dom.as_ptr(), flags as libc::c_uint);
if ptr.is_null() {
return Err(Error::last_error());
}
Ok(DomainSnapshot::new(ptr))
}
}
pub fn get_parent(&self, flags: u32) -> Result<DomainSnapshot, Error> {
unsafe {
let ptr = sys::virDomainSnapshotGetParent(self.as_ptr(), flags as libc::c_uint);
if ptr.is_null() {
return Err(Error::last_error());
}
Ok(DomainSnapshot::new(ptr))
}
}
pub fn delete(&self, flags: u32) -> Result<u32, Error> {
unsafe {
let ret = sys::virDomainSnapshotDelete(self.as_ptr(), flags as libc::c_uint);
if ret == -1 {
return Err(Error::last_error());
}
Ok(ret as u32)
}
}
pub fn num(dom: &Domain, flags: u32) -> Result<u32, Error> {
unsafe {
let ret = sys::virDomainSnapshotNum(dom.as_ptr(), flags as libc::c_uint);
if ret == -1 {
return Err(Error::last_error());
}
Ok(ret as u32)
}
}
pub fn num_children(&self, flags: u32) -> Result<u32, Error> {
unsafe {
let ret = sys::virDomainSnapshotNumChildren(self.as_ptr(), flags as libc::c_uint);
if ret == -1 {
return Err(Error::last_error());
}
Ok(ret as u32)
}
}
pub fn is_current(&self, flags: u32) -> Result<bool, Error> {
unsafe {
let ret = sys::virDomainSnapshotIsCurrent(self.as_ptr(), flags as libc::c_uint);
if ret == -1 {
return Err(Error::last_error());
}
Ok(ret == 1)
}
}
pub fn has_metadata(&self, flags: u32) -> Result<bool, Error> {
unsafe {
let ret = sys::virDomainSnapshotHasMetadata(self.as_ptr(), flags as libc::c_uint);
if ret == -1 {
return Err(Error::last_error());
}
Ok(ret == 1)
}
}
pub fn list_all_children(&self, flags: u32) -> Result<Vec<DomainSnapshot>, Error> {
unsafe {
let mut snaps: *mut sys::virDomainSnapshotPtr = ptr::null_mut();
let size = sys::virDomainSnapshotListAllChildren(
self.as_ptr(),
&mut snaps,
flags as libc::c_uint,
);
if size == -1 {
return Err(Error::last_error());
}
let mut array: Vec<DomainSnapshot> = Vec::new();
for x in 0..size as isize {
array.push(DomainSnapshot::new(*snaps.offset(x)));
}
libc::free(snaps as *mut libc::c_void);
Ok(array)
}
}
pub fn free(&mut self) -> Result<(), Error> {
unsafe {
if sys::virDomainSnapshotFree(self.as_ptr()) == -1 {
return Err(Error::last_error());
}
self.ptr = None;
Ok(())
}
}
}