private void AddCdDrive()
{
if (Helpers.CustomWithNoDVD(Template))
{
return; // we have skipped the install media page because we are a cutom template with no cd drive - the user doesnt want a cd drive
}
Description = Messages.CREATE_CD_DRIVE;
VBD cd_drive = null;
foreach (VBD vbd in Connection.ResolveAll(VM.VBDs))
{
if (vbd.type != vbd_type.CD)
{
continue;
}
if ("0123".IndexOf(vbd.userdevice) < 0) // userdevice is not 0, 1, 2 or 3: these are the valid positions for CD drives
{
continue;
}
cd_drive = vbd;
break;
}
if (cd_drive == null)
{
cd_drive = CreateCdDrive();
}
if (!cd_drive.empty)
{
RelatedTask = VBD.async_eject(Session, cd_drive.opaque_ref);
PollToCompletion(65, 67);
}
if (InsMethod == InstallMethod.CD && Cd != null) // obviously dont insert the empty cd
{
RelatedTask = VBD.async_insert(Session, cd_drive.opaque_ref, Cd.opaque_ref);
PollToCompletion(67, 70);
}
}
protected override void Run()
{
bool wasEmpty = false;
if (!cdrom.empty)
{
RelatedTask = VBD.async_eject(Session, cdrom.opaque_ref);
wasEmpty = true;
PollToCompletion(0, 50);
}
if (vdi != null)
{
RelatedTask = VBD.async_insert(Session, cdrom.opaque_ref, vdi.opaque_ref);
PollToCompletion(wasEmpty ? 50 : 0, 100);
Description = String.Format(Messages.ISO_LOADED,
vdi.Name, VM.Name);
}
else
{
Description = String.Format(Messages.ISO_UNLOADED,
VM.Name);
}
}