private static void AddBottomSpacing(CustomListRow header)
{
if (header.Children.Count != 0)
{
header.AddChild(new CustomListRow(header.BackColor, 5));
}
}
private static CustomListRow AddRow <T>(CustomListRow parent, string key, T obj, ToStringDelegate <T> del, bool valueBold) where T : IEquatable <T>
{
CustomListRow newChild = CreateNewRow(key + ": ", new ToStringWrapper <T>(obj, del), valueBold);
parent.AddChild(newChild);
return(newChild);
}
private CustomListRow AddRow(CustomListRow parent, string key, string value, bool valueBold)
{
CustomListRow row = CreateNewRow(key + ": ", value, valueBold);
parent.AddChild(row);
return(row);
}
private void generatePoolHABox(Pool pool)
{
Host master = Helpers.GetMaster(pool.Connection);
if (master == null || master.RestrictHAOrlando)
{
// Don't generate the box at all
return;
}
if (!pool.ha_enabled)
{
return;
}
// 'High Availability' heading
CustomListRow header = CreateHeader(Messages.HA_CONFIGURATION_TITLE);
customListPanel.AddRow(header);
AddRow(header, GetFriendlyName("pool.ha_enabled"), pool, getPoolHAStatus, false);
{
// ntol row. May be red and bold.
bool redBold = pool.ha_host_failures_to_tolerate == 0;
CustomListRow newChild = CreateNewRow(Messages.HA_CONFIGURED_CAPACITY, new ToStringWrapper <Pool>(pool, getNtol), redBold);
header.AddChild(newChild);
if (redBold)
{
newChild.Items[1].ForeColor = Color.Red;
ToolStripMenuItem editHa = new ToolStripMenuItem(Messages.CONFIGURE_HA_ELLIPSIS);
editHa.Click += delegate { EditHA(pool); };
newChild.MenuItems.Add(editHa);
newChild.DefaultMenuItem = editHa;
}
else
{
newChild.Items[1].ForeColor = BaseTabPage.ItemValueForeColor;
}
}
{
// plan_exists_for row needs some special work: the text may be red and bold
bool redBold = haStatusRed(pool);
CustomListRow newChild = CreateNewRow(Messages.HA_CURRENT_CAPACITY, new ToStringWrapper <Pool>(pool, getPlanExistsFor), redBold);
header.AddChild(newChild);
if (redBold)
{
newChild.Items[1].ForeColor = Color.Red;
ToolStripMenuItem editHa = new ToolStripMenuItem(Messages.CONFIGURE_HA_ELLIPSIS);
editHa.Click += delegate { EditHA(pool); };
newChild.MenuItems.Add(editHa);
newChild.DefaultMenuItem = editHa;
}
else
{
newChild.Items[1].ForeColor = BaseTabPage.ItemValueForeColor;
}
}
AddBottomSpacing(header);
// 'Heartbeating status' heading
header = CreateHeader(Messages.HEARTBEATING_STATUS);
customListPanel.AddRow(header);
// Now build the heartbeat target health table
List <SR> heartbeatSRs = pool.GetHAHeartbeatSRs();
// Sort heartbeat SRs using NaturalCompare
heartbeatSRs.Sort((Comparison <SR>) delegate(SR a, SR b)
{
return(StringUtility.NaturalCompare(a.Name, b.Name));
});
List <Host> members = new List <Host>(pool.Connection.Cache.Hosts);
// Sort pool members using NaturalCompare
members.Sort((Comparison <Host>) delegate(Host a, Host b)
{
return(StringUtility.NaturalCompare(a.Name, b.Name));
});
int numCols = 1 + 2 + (2 * heartbeatSRs.Count); // Hostnames col, then 2 each for each HB target (network + SRs)
int numRows = 1 + members.Count;
// Create rows and cols
tableLatencies.SuspendLayout();
tableLatencies.ColumnCount = numCols;
tableLatencies.ColumnStyles.Clear();
for (int i = 0; i < numCols; i++)
{
tableLatencies.ColumnStyles.Add(new ColumnStyle(SizeType.AutoSize));
}
tableLatencies.RowCount = numRows;
tableLatencies.RowStyles.Clear();
for (int i = 0; i < numRows; i++)
{
tableLatencies.RowStyles.Add(new RowStyle(SizeType.AutoSize));
}
{
// Network icon
PictureBox p = new PictureBox();
p.Image = Images.GetImage16For(Icons.Network);
p.SizeMode = PictureBoxSizeMode.AutoSize;
p.Padding = new Padding(0);
tableLatencies.Controls.Add(p);
tableLatencies.SetCellPosition(p, new TableLayoutPanelCellPosition(1, 0));
// Network text
Label l = new Label();
l.Padding = new Padding(0, 5, 5, 5);
l.Font = BaseTabPage.ItemLabelFont;
l.ForeColor = BaseTabPage.ItemLabelForeColor;
l.AutoSize = true;
l.Text = Messages.NETWORK;
tableLatencies.Controls.Add(l);
tableLatencies.SetCellPosition(l, new TableLayoutPanelCellPosition(2, 0));
}
for (int i = 0; i < heartbeatSRs.Count; i++)
{
// SR icon
PictureBox p = new PictureBox();
p.Image = Images.GetImage16For(heartbeatSRs[i].GetIcon);
p.SizeMode = PictureBoxSizeMode.AutoSize;
p.Padding = new Padding(0);
tableLatencies.Controls.Add(p);
tableLatencies.SetCellPosition(p, new TableLayoutPanelCellPosition((2 * i) + 3, 0));
// SR name
Label l = new Label();
l.Padding = new Padding(0, 5, 5, 5);
l.Font = BaseTabPage.ItemLabelFont;
l.ForeColor = BaseTabPage.ItemLabelForeColor;
l.AutoSize = false;
l.Size = new Size(200, 25);
l.AutoEllipsis = true;
l.Text = heartbeatSRs[i].Name;
tableLatencies.Controls.Add(l);
tableLatencies.SetCellPosition(l, new TableLayoutPanelCellPosition((2 * i) + 4, 0));
}
for (int i = 0; i < members.Count; i++)
{
// Server name label
Label l = new Label();
l.Padding = new Padding(5);
l.Font = BaseTabPage.ItemLabelFont;
l.ForeColor = BaseTabPage.ItemLabelForeColor;
l.AutoSize = true;
l.Text = members[i].Name.Ellipsise(30);
tableLatencies.Controls.Add(l);
tableLatencies.SetCellPosition(l, new TableLayoutPanelCellPosition(0, i + 1));
// Network HB status
l = new Label();
l.Padding = new Padding(0, 5, 0, 5);
l.Font = BaseTabPage.ItemValueFont;
l.AutoSize = true;
if (members[i].ha_network_peers.Length == members.Count)
{
l.ForeColor = Color.Green;
}
else
{
l.ForeColor = BaseTabPage.ItemValueForeColor;
}
if (members[i].ha_network_peers.Length == 0)
{
l.Text = Messages.HA_HEARTBEAT_UNHEALTHY;
}
else if (members[i].ha_network_peers.Length == members.Count)
{
l.Text = Messages.HA_HEARTBEAT_HEALTHY;
}
else
{
l.Text = string.Format(Messages.HA_HEARTBEAT_SERVERS, members[i].ha_network_peers.Length, members.Count);
}
tableLatencies.Controls.Add(l);
tableLatencies.SetCellPosition(l, new TableLayoutPanelCellPosition(1, i + 1));
tableLatencies.SetColumnSpan(l, 2);
// For each heartbeat SR, show health from this host's perspective
for (int j = 0; j < heartbeatSRs.Count; j++)
{
l = new Label();
l.Padding = new Padding(0, 5, 0, 5);
l.Font = BaseTabPage.ItemValueFont;
l.ForeColor = BaseTabPage.ItemValueForeColor;
l.AutoSize = true;
l.Text = Messages.HA_HEARTBEAT_UNHEALTHY;
foreach (string opaqueRef in members[i].ha_statefiles)
{
XenRef <VDI> vdiRef = new XenRef <VDI>(opaqueRef);
VDI vdi = pool.Connection.Resolve(vdiRef);
if (vdi == null)
{
continue;
}
SR sr = pool.Connection.Resolve(vdi.SR);
if (sr == null)
{
continue;
}
if (sr == heartbeatSRs[j])
{
l.ForeColor = Color.Green;
l.Text = Messages.HA_HEARTBEAT_HEALTHY;
break;
}
}
tableLatencies.Controls.Add(l);
tableLatencies.SetCellPosition(l, new TableLayoutPanelCellPosition((2 * j) + 2, i + 1));
tableLatencies.SetColumnSpan(l, 2);
}
}
tableLatencies.ResumeLayout();
tableLatencies.PerformLayout();
}