protected override void WndProc(ref System.Windows.Forms.Message msg)
{
switch (msg.Msg)
{
case Win32.WM_LBUTTONDOWN:
case Win32.WM_LBUTTONDBLCLK:
int i = IndexFromPoint(PointToClient(MousePosition));
if (i < 0 || i >= Items.Count)
{
break;
}
SR.SRInfo info = Items[i] as SR.SRInfo;
if (info == null)
{
break;
}
// If cannot select item, ignore message
if (!CanSelectSRInfo(info))
{
return;
}
break;
}
base.WndProc(ref msg);
}
private bool RunProbe(Host master, SR.SRTypes srType, out List <SR.SRInfo> srs)
{
srs = null;
Dictionary <String, String> dconf = GetDeviceConfig(srType);
if (dconf == null)
{
return(false);
}
var action = new SrProbeAction(Connection, master, srType, dconf);
using (var dialog = new ActionProgressDialog(action, ProgressBarStyle.Marquee))
{
dialog.ShowCancel = true;
dialog.ShowDialog(this);
}
_srToIntroduce = null;
if (action.Succeeded)
{
try
{
srs = action.ProbeExtResult != null?SR.ParseSRList(action.ProbeExtResult) : SR.ParseSRListXML(action.Result);
return(true);
}
catch (Exception)
{
return(false);
}
}
Exception exn = action.Exception;
log.Warn(exn, exn);
Failure failure = exn as Failure;
if (failure != null)
{
errorIconAtHostOrIP.Visible = true;
errorLabelAtHostname.Visible = true;
errorLabelAtHostname.Text = failure.ErrorDescription[0] == "SR_BACKEND_FAILURE_140"
? Messages.INVALID_HOST
: (failure.ErrorDescription.Count > 2
? failure.ErrorDescription[2]
: failure.ErrorDescription[0]);
textBoxIscsiHost.Focus();
}
return(false);
}
public IscsiChoicesDialog(IXenConnection connection, SR.SRInfo srInfo, SR.SRTypes existingSrType, SR.SRTypes requestedSrType)
: base(connection)
{
InitializeComponent();
this.labelSRinfo.Text = String.Format(Messages.ISCSI_DIALOG_SR_DETAILS,
Util.DiskSizeString(srInfo.Size), srInfo.UUID);
this.labelMessage.Text = String.Format(Messages.EXISTING_SR_FOUND_ON_LUN, SR.getFriendlyTypeName(existingSrType),
SR.getFriendlyTypeName(requestedSrType));
}
private bool CanSelectSRInfo(SR.SRInfo info)
{
SR sr = SrWizardHelpers.SrInUse(info.UUID);
if (sr != null && sr.HasPBDs())
{
return(false);
}
if (!String.IsNullOrEmpty(MustSelectUUID) && info.UUID != MustSelectUUID)
{
return(false);
}
return(true);
}
protected override void OnSelectedIndexChanged(EventArgs e)
{
SR.SRInfo info = SelectedItem as SR.SRInfo;
if (info == null || CanSelectSRInfo(info))
{
base.OnSelectedIndexChanged(e);
return;
}
//If we cannot select any SRInfos - give up
if (!Items.Cast <SR.SRInfo>().Any(CanSelectSRInfo))
{
return;
}
TryAndSelectUUID();
}
public LVMoIsciWarningDialog(IXenConnection connection, SR.SRInfo srInfo, SR.SRTypes existingSrType, SR.SRTypes requestedSrType)
: base(connection, "", 0, srInfo != null, existingSrType, requestedSrType)
{
labelLUNDetails.Visible = false;
labelSrDetails.Visible = srInfo != null;
// CA-17230: if the found SR is used by other connected pools, offer only to attach it
if (srInfo != null)
{
SR sr = SrWizardHelpers.SrInUse(srInfo.UUID);
if (sr != null)
{
panelFormat.Visible = false;
labelWarning.Text = GetSrInUseMessage(sr);
}
labelSrDetails.Text = string.Format(Messages.ISCSI_DIALOG_SR_DETAILS, Util.DiskSizeString(srInfo.Size), srInfo.UUID);
}
}
public SrRow(SR.SRInfo srInfo, SR.SRTypes type, bool poolMetadataDetected, bool selected)
{
SrInfo = srInfo;
var cellTick = new DataGridViewCheckBoxCell {
Value = selected
};
var cellName = new DataGridViewTextBoxCell {
Value = srInfo.Name
};
var cellDesc = new DataGridViewTextBoxCell {
Value = srInfo.Description
};
var cellType = new DataGridViewTextBoxCell {
Value = SR.getFriendlyTypeName(type)
};
var cellMetadata = new DataGridViewTextBoxCell {
Value = poolMetadataDetected.ToStringI18n()
};
Cells.AddRange(cellTick, cellName, cellDesc, cellType, cellMetadata);
}
public SrRow(SR.SRInfo srInfo, SR.SRTypes type, bool poolMetadataDetected, bool selected)
{
SrInfo = srInfo;
HasMetadata = poolMetadataDetected;
var cellTick = new DataGridViewCheckBoxCell { Value = selected };
var cellName = new DataGridViewTextBoxCell { Value = srInfo.Name };
var cellDesc = new DataGridViewTextBoxCell { Value = srInfo.Description };
var cellType = new DataGridViewTextBoxCell { Value = SR.getFriendlyTypeName(type) };
var cellMetadata = new DataGridViewTextBoxCell { Value = poolMetadataDetected.ToStringI18n() };
Cells.AddRange(cellTick, cellName, cellDesc, cellType, cellMetadata);
}
private bool ExamineIscsiProbeResults(SR.SRTypes currentSrType, List <SR.SRInfo> srs)
{
_srToIntroduce = null;
if (srs == null)
{
return(false);
}
// There should be 0 or 1 SRs on the LUN
System.Diagnostics.Debug.Assert(srs.Count == 0 || srs.Count == 1);
try
{
if (!string.IsNullOrEmpty(SrWizardType.UUID))
{
// Check LUN contains correct SR
if (srs.Count == 1 && srs[0].UUID == SrWizardType.UUID)
{
_srToIntroduce = srs[0];
SrType = currentSrType; // the type of the existing SR
return(true);
}
ShowError(errorIconAtTargetLUN, errorLabelAtTargetLUN, string.Format(Messages.INCORRECT_LUN_FOR_SR, SrWizardType.SrName));
return(false);
}
if (srs.Count == 0)
{
if (!SrWizardType.AllowToCreateNewSr)
{
using (var dlg = new ErrorDialog(Messages.NEWSR_LUN_HAS_NO_SRS))
dlg.ShowDialog(this);
return(false);
}
if (Program.RunInAutomatedTestMode)
{
return(true);
}
// SR creation is allowed; ask the user if they want to proceed and format.
using (var dlog = new LVMoIsciWarningDialog(Connection, null, currentSrType, SrType))
{
dlog.ShowDialog(this);
return(dlog.SelectedOption == LVMoHBAWarningDialog.UserSelectedOption.Format);
}
}
if (Program.RunInAutomatedTestMode)
{
return(true);
}
// offer to attach it, or format it to create a new SR, or cancel
SR.SRInfo srInfo = srs[0];
using (var dlog = new LVMoIsciWarningDialog(Connection, srInfo, currentSrType, SrType))
{
dlog.ShowDialog(this);
switch (dlog.SelectedOption)
{
case LVMoHBAWarningDialog.UserSelectedOption.Reattach:
_srToIntroduce = srInfo;
SrType = currentSrType; // the type of the existing SR
return(true);
case LVMoHBAWarningDialog.UserSelectedOption.Format:
return(true);
default:
return(false);
}
}
}
catch
{
// We really want to prevent the user getting to the next step if there is any kind of
// exception here, since clicking 'finish' might destroy data: require another probe.
return(false);
}
}
/// <summary>
/// Called with the results of an iSCSI SR.probe(), either immediately after the scan, or after the
/// user has performed a scan, clicked 'cancel' on a dialog, and then clicked 'next' again (this
/// avoids duplicate probing if none of the settings have changed).
/// </summary>
/// <returns>
/// Whether to continue or not - wheter to format or not is stored in
/// iScsiFormatLUN.
/// </returns>
private bool ExamineIscsiProbeResults(SrProbeAction action)
{
_srToIntroduce = null;
if (!action.Succeeded)
{
Exception exn = action.Exception;
log.Warn(exn, exn);
Failure failure = exn as Failure;
if (failure != null && failure.ErrorDescription[0] == "SR_BACKEND_FAILURE_140")
{
errorIconAtHostOrIP.Visible = true;
errorLabelAtHostname.Visible = true;
errorLabelAtHostname.Text = Messages.INVALID_HOST;
textBoxIscsiHost.Focus();
}
else if (failure != null)
{
errorIconAtHostOrIP.Visible = true;
errorLabelAtHostname.Visible = true;
errorLabelAtHostname.Text = failure.ErrorDescription.Count > 2 ? failure.ErrorDescription[2] : failure.ErrorDescription[0];
textBoxIscsiHost.Focus();
}
return(false);
}
try
{
List <SR.SRInfo> SRs = SR.ParseSRListXML(action.Result);
if (!String.IsNullOrEmpty(SrWizardType.UUID))
{
// Check LUN contains correct SR
if (SRs.Count == 1 && SRs[0].UUID == SrWizardType.UUID)
{
_srToIntroduce = SRs[0];
return(true);
}
errorIconAtTargetLUN.Visible = true;
errorLabelAtTargetLUN.Visible = true;
errorLabelAtTargetLUN.Text = String.Format(Messages.INCORRECT_LUN_FOR_SR, SrWizardType.SrName);
return(false);
}
else if (SRs.Count == 0)
{
// No existing SRs were found on this LUN. If allowed to create new SR, ask the user if they want to proceed and format.
if (!SrWizardType.AllowToCreateNewSr)
{
using (var dlg = new ThreeButtonDialog(
new ThreeButtonDialog.Details(SystemIcons.Error, Messages.NEWSR_LUN_HAS_NO_SRS, Messages.XENCENTER)))
{
dlg.ShowDialog(this);
}
return(false);
}
DialogResult result = DialogResult.Yes;
if (!Program.RunInAutomatedTestMode)
{
using (var dlg = new ThreeButtonDialog(
new ThreeButtonDialog.Details(SystemIcons.Warning, Messages.NEWSR_ISCSI_FORMAT_WARNING, this.Text),
ThreeButtonDialog.ButtonYes,
new ThreeButtonDialog.TBDButton(Messages.NO_BUTTON_CAPTION, DialogResult.No, ThreeButtonDialog.ButtonType.CANCEL, true)))
{
result = dlg.ShowDialog(this);
}
}
return(result == DialogResult.Yes);
}
else
{
// There should be 0 or 1 SRs on the LUN
System.Diagnostics.Trace.Assert(SRs.Count == 1);
// CA-17230
// Check this isn't a detached SR
SR.SRInfo info = SRs[0];
SR sr = SrWizardHelpers.SrInUse(info.UUID);
if (sr != null)
{
DialogResult res;
using (var d = new ThreeButtonDialog(
new ThreeButtonDialog.Details(null, string.Format(Messages.DETACHED_ISCI_DETECTED, Helpers.GetName(sr.Connection))),
new ThreeButtonDialog.TBDButton(Messages.ATTACH_SR, DialogResult.OK),
ThreeButtonDialog.ButtonCancel))
{
res = d.ShowDialog(Program.MainWindow);
}
if (res == DialogResult.Cancel)
{
return(false);
}
_srToIntroduce = info;
return(true);
}
// An SR exists on this LUN. Ask the user if they want to attach it, format it and
// create a new SR, or cancel.
DialogResult result = Program.RunInAutomatedTestMode ? DialogResult.Yes :
new IscsiChoicesDialog(Connection, info).ShowDialog(this);
switch (result)
{
case DialogResult.Yes:
// Reattach
_srToIntroduce = SRs[0];
return(true);
case DialogResult.No:
// Format - SrToIntroduce is already null
return(true);
default:
return(false);
}
}
}
catch
{
// We really want to prevent the user getting to the next step if there is any kind of
// exception here, since clicking 'finish' might destroy data: require another probe.
return(false);
}
}
/// <summary>
/// Called with the results of an iSCSI SR.probe(), either immediately after the scan, or after the
/// user has performed a scan, clicked 'cancel' on a dialog, and then clicked 'next' again (this
/// avoids duplicate probing if none of the settings have changed).
/// </summary>
/// <returns>
/// Whether to continue or not - wheter to format or not is stored in
/// iScsiFormatLUN.
/// </returns>
private bool ExamineIscsiProbeResults(SrProbeAction action)
{
_srToIntroduce = null;
if (!action.Succeeded)
{
Exception exn = action.Exception;
log.Warn(exn, exn);
Failure failure = exn as Failure;
if (failure != null && failure.ErrorDescription[0] == "SR_BACKEND_FAILURE_140")
{
errorIconAtHostOrIP.Visible = true;
errorLabelAtHostname.Visible = true;
errorLabelAtHostname.Text = Messages.INVALID_HOST;
textBoxIscsiHost.Focus();
}
else if (failure != null)
{
errorIconAtHostOrIP.Visible = true;
errorLabelAtHostname.Visible = true;
errorLabelAtHostname.Text = failure.ErrorDescription.Count > 2 ? failure.ErrorDescription[2] : failure.ErrorDescription[0];
textBoxIscsiHost.Focus();
}
return false;
}
try
{
List<SR.SRInfo> SRs = SR.ParseSRListXML(action.Result);
if (!String.IsNullOrEmpty(SrWizardType.UUID))
{
// Check LUN contains correct SR
if (SRs.Count == 1 && SRs[0].UUID == SrWizardType.UUID)
{
_srToIntroduce = SRs[0];
return true;
}
errorIconAtTargetLUN.Visible = true;
errorLabelAtTargetLUN.Visible = true;
errorLabelAtTargetLUN.Text = String.Format(Messages.INCORRECT_LUN_FOR_SR, SrWizardType.SrName);
return false;
}
else if (SRs.Count == 0)
{
// No existing SRs were found on this LUN. If allowed to create new SR, ask the user if they want to proceed and format.
if (!SrWizardType.AllowToCreateNewSr)
{
using (var dlg = new ThreeButtonDialog(
new ThreeButtonDialog.Details(SystemIcons.Error, Messages.NEWSR_LUN_HAS_NO_SRS, Messages.XENCENTER)))
{
dlg.ShowDialog(this);
}
return false;
}
DialogResult result = DialogResult.Yes;
if (!Program.RunInAutomatedTestMode)
{
using (var dlg = new ThreeButtonDialog(
new ThreeButtonDialog.Details(SystemIcons.Warning, Messages.NEWSR_ISCSI_FORMAT_WARNING, this.Text),
ThreeButtonDialog.ButtonYes,
new ThreeButtonDialog.TBDButton(Messages.NO_BUTTON_CAPTION, DialogResult.No, ThreeButtonDialog.ButtonType.CANCEL, true)))
{
result = dlg.ShowDialog(this);
}
}
return result == DialogResult.Yes;
}
else
{
// There should be 0 or 1 SRs on the LUN
System.Diagnostics.Trace.Assert(SRs.Count == 1);
// CA-17230
// Check this isn't a detached SR
SR.SRInfo info = SRs[0];
SR sr = SrWizardHelpers.SrInUse(info.UUID);
if (sr != null)
{
DialogResult res;
using (var d = new ThreeButtonDialog(
new ThreeButtonDialog.Details(null, string.Format(Messages.DETACHED_ISCI_DETECTED, Helpers.GetName(sr.Connection))),
new ThreeButtonDialog.TBDButton(Messages.ATTACH_SR, DialogResult.OK),
ThreeButtonDialog.ButtonCancel))
{
res = d.ShowDialog(Program.MainWindow);
}
if (res == DialogResult.Cancel)
return false;
_srToIntroduce = info;
return true;
}
// An SR exists on this LUN. Ask the user if they want to attach it, format it and
// create a new SR, or cancel.
DialogResult result = Program.RunInAutomatedTestMode ? DialogResult.Yes :
new IscsiChoicesDialog(Connection, info).ShowDialog(this);
switch (result)
{
case DialogResult.Yes:
// Reattach
_srToIntroduce = SRs[0];
return true;
case DialogResult.No:
// Format - SrToIntroduce is already null
return true;
default:
return false;
}
}
}
catch
{
// We really want to prevent the user getting to the next step if there is any kind of
// exception here, since clicking 'finish' might destroy data: require another probe.
return false;
}
}
protected override void OnKeyDown(KeyEventArgs e)
{
bool movingUp = e.KeyCode == Keys.Up || e.KeyCode == Keys.Left || e.KeyCode == Keys.PageUp;
bool movingDown = e.KeyCode == Keys.Down || e.KeyCode == Keys.Right || e.KeyCode == Keys.PageDown;
bool movingPage = e.KeyCode == Keys.PageUp || e.KeyCode == Keys.PageDown;
if (Items.Count <= 0 || !(movingUp || movingDown))
{
base.OnKeyDown(e);
return;
}
int index = SelectedIndex;
int bottomIndex = TopIndex + ClientSize.Height / ItemHeight;
int firstAvailable = -1;
int lastAvailableInView = -1;
int lastAvailableOffView = -1;
if (movingUp)
{
while (--index >= 0)
{
SR.SRInfo nextInfo = Items[index] as SR.SRInfo;
if (nextInfo == null || CanSelectSRInfo(nextInfo))
{
if (firstAvailable == -1)
{
firstAvailable = index;
}
if (movingPage)
{
if (index >= TopIndex)
{
lastAvailableInView = index;
}
else
{
lastAvailableOffView = index;
}
}
else
{
break;
}
}
}
}
if (movingDown)
{
while (++index <= Items.Count - 1)
{
SR.SRInfo nextInfo = Items[index] as SR.SRInfo;
if (nextInfo == null || CanSelectSRInfo(nextInfo))
{
if (firstAvailable == -1)
{
firstAvailable = index;
}
if (movingPage)
{
if (index <= bottomIndex)
{
lastAvailableInView = index;
}
else
{
lastAvailableOffView = index;
}
}
else
{
break;
}
}
}
}
if (movingPage)
{
if (lastAvailableInView > -1)
{
SelectedIndex = lastAvailableInView;
}
else if (lastAvailableOffView > -1)
{
SelectedIndex = lastAvailableOffView;
}
}
else if (firstAvailable > -1)
{
SelectedIndex = firstAvailable;
}
e.Handled = true;
base.OnKeyDown(e);
}
private void SRListBox_DrawItem(object sender, DrawItemEventArgs e)
{
if (e.Index == -1)
{
return;
}
SR.SRInfo info = Items[e.Index] as SR.SRInfo;
if (info == null)
{
return;
}
SR sr = SrWizardHelpers.SrInUse(info.UUID);
Color fore, back;
if (!Enabled)
{
fore = SystemColors.GrayText;
back = SystemColors.Control;
}
else if (!CanSelectSRInfo(info))
{
// Draw in-use SRs grayed out
fore = SystemColors.GrayText;
back = SystemColors.Window;
}
else if ((e.State & DrawItemState.Selected) > 0)
{
// When control enabled, draw the selected item blue
fore = SystemColors.HighlightText;
back = SystemColors.Highlight;
}
else
{
fore = SystemColors.ControlText;
back = SystemColors.Window;
}
// Fill in background
using (SolidBrush backBrush = new SolidBrush(back))
{
e.Graphics.FillRectangle(backBrush, e.Bounds);
}
if (sr == null)
{
// Draw SR UUID in monospace, but size in normal font
Size s = Drawing.MeasureText(info.UUID + " ", MonospaceFont);
Drawing.DrawText(e.Graphics, info.UUID + " ", MonospaceFont, e.Bounds.Location, fore);
if (!String.IsNullOrEmpty(info.Aggr))
{
Drawing.DrawText(e.Graphics, info.Aggr + " ", e.Font, new Point(e.Bounds.Left + s.Width, e.Bounds.Top), fore);
}
}
else
{
String text = String.Format(Messages.SR_X_ON_Y, sr.Name(), Helpers.GetName(sr.Connection));
if (!sr.HasPBDs())
{
text = String.Format(Messages.DETACHED_BRACKETS, text);
}
Drawing.DrawText(e.Graphics, text, e.Font, e.Bounds.Location, fore);
}
}
/// <summary>
/// Called with the results of an iSCSI SR.probe(), either immediately after the scan, or after the
/// user has performed a scan, clicked 'cancel' on a dialog, and then clicked 'next' again (this
/// avoids duplicate probing if none of the settings have changed).
/// </summary>
/// <returns>
/// Whether to continue or not - wheter to format or not is stored in
/// iScsiFormatLUN.
/// </returns>
private bool ExamineIscsiProbeResults(SR.SRTypes currentSrType, List <SR.SRInfo> srs)
{
_srToIntroduce = null;
if (srs == null)
{
return(false);
}
try
{
if (!String.IsNullOrEmpty(SrWizardType.UUID))
{
// Check LUN contains correct SR
if (srs.Count == 1 && srs[0].UUID == SrWizardType.UUID)
{
_srToIntroduce = srs[0];
SrType = currentSrType; // the type of the existing SR
return(true);
}
errorIconAtTargetLUN.Visible = true;
errorLabelAtTargetLUN.Visible = true;
errorLabelAtTargetLUN.Text = String.Format(Messages.INCORRECT_LUN_FOR_SR, SrWizardType.SrName);
return(false);
}
else if (srs.Count == 0)
{
// No existing SRs were found on this LUN. If allowed to create new SR, ask the user if they want to proceed and format.
if (!SrWizardType.AllowToCreateNewSr)
{
using (var dlg = new ErrorDialog(Messages.NEWSR_LUN_HAS_NO_SRS))
dlg.ShowDialog(this);
return(false);
}
DialogResult result = DialogResult.Yes;
if (!Program.RunInAutomatedTestMode)
{
using (var dlg = new WarningDialog(Messages.NEWSR_ISCSI_FORMAT_WARNING,
ThreeButtonDialog.ButtonYes,
new ThreeButtonDialog.TBDButton(Messages.NO_BUTTON_CAPTION, DialogResult.No, selected: true))
{
WindowTitle = Text
})
{
result = dlg.ShowDialog(this);
}
}
return(result == DialogResult.Yes);
}
else
{
// There should be 0 or 1 SRs on the LUN
System.Diagnostics.Trace.Assert(srs.Count == 1);
// CA-17230
// Check this isn't a detached SR
SR.SRInfo info = srs[0];
SR sr = SrWizardHelpers.SrInUse(info.UUID);
if (sr != null)
{
DialogResult res;
using (var d = new NoIconDialog(string.Format(Messages.DETACHED_ISCI_DETECTED, Helpers.GetName(sr.Connection)),
new ThreeButtonDialog.TBDButton(Messages.ATTACH_SR, DialogResult.OK),
ThreeButtonDialog.ButtonCancel))
{
res = d.ShowDialog(Program.MainWindow);
}
if (res == DialogResult.Cancel)
{
return(false);
}
_srToIntroduce = info;
SrType = currentSrType; // the type of the existing SR
return(true);
}
// An SR exists on this LUN. Ask the user if they want to attach it, format it and
// create a new SR, or cancel.
DialogResult result = Program.RunInAutomatedTestMode ? DialogResult.Yes :
new IscsiChoicesDialog(Connection, info, currentSrType, SrType).ShowDialog(this);
switch (result)
{
case DialogResult.Yes:
// Reattach
_srToIntroduce = srs[0];
SrType = currentSrType; // the type of the existing SR
return(true);
case DialogResult.No:
// Format - SrToIntroduce is already null
return(true);
default:
return(false);
}
}
}
catch
{
// We really want to prevent the user getting to the next step if there is any kind of
// exception here, since clicking 'finish' might destroy data: require another probe.
return(false);
}
}
