func NewVirConnectionReadOnly(uri string) (VirConnection, error) {
cUri := C.CString(uri)
defer C.free(unsafe.Pointer(cUri))
ptr := C.virConnectOpenReadOnly(cUri)
if ptr == nil {
return VirConnection{}, errors.New(GetLastError())
}
obj := VirConnection{ptr: ptr}
return obj, nil
}
func NewVirConnectionReadOnly(uri string) (VirConnection, error) {
var cUri *C.char
if uri != "" {
cUri = C.CString(uri)
defer C.free(unsafe.Pointer(cUri))
}
ptr := C.virConnectOpenReadOnly(cUri)
if ptr == nil {
return VirConnection{}, GetLastError()
}
obj := VirConnection{ptr: ptr}
return obj, nil
}
func NewVirConnectionReadOnly(uri string) (VirConnection, error) {
var cUri *C.char
if uri != "" {
cUri = C.CString(uri)
defer C.free(unsafe.Pointer(cUri))
}
ptr := C.virConnectOpenReadOnly(cUri)
if ptr == nil {
return VirConnection{}, GetLastError()
}
obj := VirConnection{ptr: ptr, event_cbs: make(map[int]*domainCallbackContext)}
return obj, nil
}
// Open creates a new libvirt connection to the Hypervisor. The
// connection mode specifies whether the connection will be read-write
// or read-only. The URIs are documented at http://libvirt.org/uri.html.
func Open(uri string, mode ConnectionMode, logOutput io.Writer) (Connection, error) {
cUri := C.CString(uri)
defer C.free(unsafe.Pointer(cUri))
logger := newLogger(logOutput)
if uri == DefaultURI {
logger.Printf("opening connection (mode = %v) to the default URI...\n", mode)
} else {
logger.Printf("opening connection (mode = %v) to %v...\n", mode, uri)
}
var cConn C.virConnectPtr
switch mode {
case ReadWrite:
cConn = C.virConnectOpen(cUri)
case ReadOnly:
cConn = C.virConnectOpenReadOnly(cUri)
default:
return Connection{}, ErrInvalidConnectionMode
}
if cConn == nil {
err := LastError()
logger.Printf("an error occurred: %v\n", err)
return Connection{}, err
}
logger.Println("connection established")
conn := Connection{
log: logger,
virConnect: cConn,
}
return conn, nil
}