private void PopulateCacheSrCombobox()
{
comboBoxCacheSr.Items.Clear();
// add the "Not configured" item first
var notConfiguredItem = new SrComboBoxItem(null, Messages.PVS_CACHE_NOT_CONFIGURED);
comboBoxCacheSr.Items.Add(notConfiguredItem);
comboBoxCacheSr.SelectedItem = notConfiguredItem;
// add Memeory SR; if no memory SR found, add a placeholder (we will create the memory SR in ConfigurePvsCacheAction)
var memorySr =
Host.Connection.Cache.SRs.FirstOrDefault(
s => s.GetSRType(false) == SR.SRTypes.tmpfs && s.CanBeSeenFrom(Host));
if (memorySr == null)
{
// create a placeholder for the memory SR
memorySr = new SR
{
type = SR.SRTypes.tmpfs.ToString(),
name_label = Messages.PVS_CACHE_MEMORY_SR_NAME,
shared = false,
opaque_ref = Helper.NullOpaqueRef
};
}
var enabled = Host.dom0_memory_extra >= MIN_CACHE_SIZE_GB * Util.BINARY_GIGA;
var label = enabled ? Messages.PVS_CACHE_MEMORY_ONLY : Messages.PVS_CACHE_MEMORY_ONLY_DISABLED;
var memorySrItem = new SrComboBoxItem(memorySr, label, enabled);
comboBoxCacheSr.Items.Add(memorySrItem);
if (OrigPvsCacheStorage != null && memorySr.opaque_ref == OrigPvsCacheStorage.SR.opaque_ref)
{
comboBoxCacheSr.SelectedItem = memorySrItem;
}
// add all suitable SRs
var availableSRs = Host.Connection.Cache.SRs.Where(s => s.CanBeSeenFrom(Host) && SrIsSuitableForPvsCache(s)).ToList();
availableSRs.Sort();
foreach (var sr in availableSRs)
{
var newItem = new SrComboBoxItem(sr, sr.Name);
comboBoxCacheSr.Items.Add(newItem);
if (OrigPvsCacheStorage != null && sr.opaque_ref == OrigPvsCacheStorage.SR.opaque_ref)
{
comboBoxCacheSr.SelectedItem = newItem;
}
}
}
private void Populate()
{
labelHostName.Text = Host.Name();
// initialize cacheSize
SetupCacheSizeSpinner(OrigPvsCacheStorage == null ? DEFAULT_CACHE_SIZE_GB : (decimal)Util.ToGB(OrigPvsCacheStorage.size, 1, RoundingBehaviour.Nearest),
MIN_CACHE_SIZE_GB,
MAX_CACHE_SIZE_GB);
origCacheSizeGb = numericUpDownCacheSize.Value;
comboBoxCacheSr.Items.Clear();
// add the "Not configured" item first
var notConfiguredItem = new SrComboBoxItem(null, Messages.PVS_CACHE_NOT_CONFIGURED);
comboBoxCacheSr.Items.Add(notConfiguredItem);
// add Memory SR; if no memory SR found, add a placeholder (we will create the memory SR in ConfigurePvsCacheAction)
var memorySrs = Host.Connection.Cache.SRs.Where(s => s.GetSRType(false) == SR.SRTypes.tmpfs && s.CanBeSeenFrom(Host)).ToList();
SR memorySr = null;
if (memorySrs.Count == 0)
{
// create a placeholder for the memory SR
memorySr = new SR
{
type = SR.SRTypes.tmpfs.ToString(),
name_label = Messages.PVS_CACHE_MEMORY_SR_NAME,
shared = false,
opaque_ref = Helper.NullOpaqueRef
};
}
else
{
if (OrigPvsCacheStorage != null)
{
memorySr = memorySrs.FirstOrDefault(sr => sr.opaque_ref == OrigPvsCacheStorage.SR.opaque_ref);
}
if (memorySr == null)
{
memorySr = memorySrs.First();
}
}
var enabled = Host.dom0_memory_extra() >= MIN_CACHE_SIZE_GB * Util.BINARY_GIGA;
var label = enabled ? Messages.PVS_CACHE_MEMORY_ONLY : Messages.PVS_CACHE_MEMORY_ONLY_DISABLED;
var memorySrItem = new SrComboBoxItem(memorySr, label, enabled);
comboBoxCacheSr.Items.Add(memorySrItem);
if (OrigPvsCacheStorage != null && memorySr.opaque_ref == OrigPvsCacheStorage.SR.opaque_ref)
{
comboBoxCacheSr.SelectedItem = memorySrItem;
}
// add all suitable SRs
var availableSRs = Host.Connection.Cache.SRs.Where(s => s.CanBeSeenFrom(Host) && SrIsSuitableForPvsCache(s)).ToList();
availableSRs.Sort();
foreach (var sr in availableSRs)
{
var newItem = new SrComboBoxItem(sr, sr.Name());
comboBoxCacheSr.Items.Add(newItem);
if (OrigPvsCacheStorage != null && sr.opaque_ref == OrigPvsCacheStorage.SR.opaque_ref)
{
comboBoxCacheSr.SelectedItem = newItem;
}
}
if (comboBoxCacheSr.SelectedItem == null)
{
comboBoxCacheSr.SelectedItem = notConfiguredItem;
}
ReadOnly = OrigPvsCacheStorage != null && OrigPvsCacheStorage.IsInUse();
comboBoxCacheSr.Enabled = numericUpDownCacheSize.Enabled = !ReadOnly;
}
private void PopulateCacheSrCombobox()
{
comboBoxCacheSr.Items.Clear();
// add the "Not configured" item first
var notConfiguredItem = new SrComboBoxItem(null, Messages.PVS_CACHE_NOT_CONFIGURED);
comboBoxCacheSr.Items.Add(notConfiguredItem);
comboBoxCacheSr.SelectedItem = notConfiguredItem;
// add Memeory SR; if no memory SR found, add a placeholder (we will create the memory SR in ConfigurePvsCacheAction)
var memorySr =
Host.Connection.Cache.SRs.FirstOrDefault(
s => s.GetSRType(false) == SR.SRTypes.tmpfs && s.CanBeSeenFrom(Host));
if (memorySr == null)
{
// create a placeholder for the memory SR
memorySr = new SR
{
type = SR.SRTypes.tmpfs.ToString(),
name_label = Messages.PVS_CACHE_MEMORY_SR_NAME,
shared = false,
opaque_ref = Helper.NullOpaqueRef
};
}
var enabled = Host.dom0_memory_extra >= MIN_CACHE_SIZE_GB * Util.BINARY_GIGA;
var label = enabled ? Messages.PVS_CACHE_MEMORY_ONLY : Messages.PVS_CACHE_MEMORY_ONLY_DISABLED;
var memorySrItem = new SrComboBoxItem(memorySr, label, enabled);
comboBoxCacheSr.Items.Add(memorySrItem);
if (OrigPvsCacheStorage != null && memorySr.opaque_ref == OrigPvsCacheStorage.SR.opaque_ref)
comboBoxCacheSr.SelectedItem = memorySrItem;
// add all suitable SRs
var availableSRs = Host.Connection.Cache.SRs.Where(s => s.CanBeSeenFrom(Host) && SrIsSuitableForPvsCache(s)).ToList();
availableSRs.Sort();
foreach (var sr in availableSRs)
{
var newItem = new SrComboBoxItem(sr, sr.Name);
comboBoxCacheSr.Items.Add(newItem);
if (OrigPvsCacheStorage != null && sr.opaque_ref == OrigPvsCacheStorage.SR.opaque_ref)
comboBoxCacheSr.SelectedItem = newItem;
}
}
