func (c *VirConnection) LookupDomainById(id uint32) (VirDomain, error) {
ptr := C.virDomainLookupByID(c.ptr, C.int(id))
if ptr == nil {
return VirDomain{}, GetLastError()
}
return VirDomain{ptr: ptr}, nil
}
func (h *Hypervisor) LookupDomainById(id int) (*Domain, error) {
cdomain := C.virDomainLookupByID(h.cptr, C.int(id))
if cdomain == nil {
return nil, GetLastError()
}
domain := &Domain{cdomain}
runtime.SetFinalizer(domain, cleanupDomain)
return domain, nil
}
// LookupDomainByID tries to find a domain based on the hypervisor ID number.
// Note that this won't work for inactive domains which have an ID of -1, in
// that case a lookup based on the Name or UUID need to be done instead.
func (conn Connection) LookupDomainByID(id uint32) (Domain, error) {
conn.log.Printf("looking up domain with ID = %v...\n", id)
cDomain := C.virDomainLookupByID(conn.virConnect, C.int(id))
if cDomain == nil {
err := LastError()
conn.log.Printf("an error occurred: %v\n", err)
return Domain{}, err
}
conn.log.Println("domain found")
dom := Domain{
log: conn.log,
virDomain: cDomain,
}
return dom, nil
}
func (c *VirConnection) ActiveDomainList() ([]VirDomain, error) {
var cDomainsIds [512](C.int)
var i int
cDomainsPointer := unsafe.Pointer(&cDomainsIds)
cNumDomains := C.virConnectListDomains(c.ptr, (*C.int)(cDomainsPointer), 512)
var err error
if int(cNumDomains) == -1 {
return nil, errors.New(GetLastError())
}
activeDomainList := make([]VirDomain, int(cNumDomains))
for i = 0; i < int(cNumDomains); i++ {
activeDomainList[i].ptr = C.virDomainLookupByID(c.ptr, C.int(cDomainsIds[i]))
if activeDomainList[i].ptr == nil {
err = errors.New(GetLastError())
break
}
}
return activeDomainList[:i], err
}
