// ListDomains collects a possibly-filtered list of all domains, and return an
// array of information for each.
func (conn Connection) ListDomains(flags DomainListFlag) ([]Domain, error) {
var cDomains []C.virDomainPtr
domainsSH := (*reflect.SliceHeader)(unsafe.Pointer(&cDomains))
conn.log.Printf("reading domains (flags = %v)...\n", flags)
cRet := C.virConnectListAllDomains(conn.virConnect, (**C.virDomainPtr)(unsafe.Pointer(&domainsSH.Data)), C.uint(flags))
ret := int32(cRet)
if ret == -1 {
err := LastError()
conn.log.Printf("an error occurred: %v\n", err)
return nil, err
}
defer C.free(unsafe.Pointer(domainsSH.Data))
domainsSH.Cap = int(ret)
domainsSH.Len = int(ret)
domains := make([]Domain, ret)
for i := range domains {
domains[i] = Domain{
log: conn.log,
virDomain: cDomains[i],
}
}
conn.log.Printf("domains count: %v\n", ret)
return domains, nil
}
//virConnectList functions
func (h *Hypervisor) ListDomains(flags uint) ([]*Domain, error) {
var cdomains *C.virDomainPtr
result := C.virConnectListAllDomains(h.cptr, &cdomains, C.uint(flags))
if result == -1 {
return nil, GetLastError()
}
var domains = make([]*Domain, result)
p := (*[1 << 30]C.virDomainPtr)(unsafe.Pointer(cdomains))
for i := 0; i < int(result); i++ {
domains[i] = newDomain(p[i])
}
defer C.free(unsafe.Pointer(cdomains))
return domains, nil
}
func (c *VirConnection) ListAllDomains(flags uint32) ([]VirDomain, error) {
var cList *C.virDomainPtr
numDomains := C.virConnectListAllDomains(c.ptr, (**C.virDomainPtr)(&cList), C.uint(flags))
if numDomains == -1 {
return nil, GetLastError()
}
hdr := reflect.SliceHeader{
Data: uintptr(unsafe.Pointer(cList)),
Len: int(numDomains),
Cap: int(numDomains),
}
var domains []VirDomain
slice := *(*[]C.virDomainPtr)(unsafe.Pointer(&hdr))
for _, ptr := range slice {
domains = append(domains, VirDomain{ptr})
}
C.free(unsafe.Pointer(cList))
return domains, nil
}
func (c *VirConnection) ListAllDomains() ([]VirDomain, error) {
var cList *C.virDomainPtr
/* 3 == VIR_CONNECT_LIST_DOMAINS_ACTIVE | VIR_CONNECT_LIST_DOMAINS_INACTIVE */
numDomains := C.virConnectListAllDomains(c.ptr, (**C.virDomainPtr)(&cList), 3)
if numDomains == -1 {
return nil, errors.New(GetLastError())
}
hdr := reflect.SliceHeader{
Data: uintptr(unsafe.Pointer(cList)),
Len: int(numDomains),
Cap: int(numDomains),
}
var domains []VirDomain
slice := *(*[]C.virDomainPtr)(unsafe.Pointer(&hdr))
for _, ptr := range slice {
domains = append(domains, VirDomain{ptr})
}
C.free(unsafe.Pointer(cList))
return domains, nil
}