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using System;
using System.Collections.Generic;
using System.Drawing;
using System.Windows.Forms;
using XenAPI;
using XenAdmin.Network;
using XenAdmin.Dialogs;
using XenAdmin.Core;
using System.Linq;
namespace XenAdmin.Controls
{
public partial class BondDetails : UserControl
{
private int bondSizeLimit = 2;
private int m_numberOfCheckedNics;
///
/// Style to use for checkable rows
///
private DataGridViewCellStyle regStyle;
///
/// Style to use for non-checkable rows (should appear grayed out)
///
private DataGridViewCellStyle dimmedStyle;
public event EventHandler ValidChanged;
internal IXenConnection Connection;
private bool valid = false;
internal bool Valid
{
get
{
return valid;
}
set
{
if (valid != value)
{
valid = value;
if (ValidChanged != null)
ValidChanged(this, null);
}
}
}
internal string BondName
{
get
{
return string.Format(Messages.PIF_BOND, PIF.BondSuffix(BondedPIFs));
}
}
internal List BondedPIFs
{
get
{
List result = new List();
foreach (DataGridViewRow row in dataGridView1.Rows)
{
if (IsRowChecked(row))
result.Add((PIF)row.Tag);
}
return result;
}
}
internal List AllPIFs
{
get
{
return dataGridView1.Rows.OfType().Select(r => r.Tag as PIF).Where(t => t != null).ToList();
}
}
internal bond_mode BondMode
{
get
{
return radioButtonActiveBackup.Checked
? bond_mode.active_backup
: radioButtonBalanceSlb.Checked
? bond_mode.balance_slb
: bond_mode.lacp;
}
}
internal Bond.hashing_algoritm HashingAlgorithm
{
get
{
return radioButtonLacpSrcMac.Checked
? Bond.hashing_algoritm.src_mac
: radioButtonLacpTcpudpPorts.Checked ? Bond.hashing_algoritm.tcpudp_ports : Bond.hashing_algoritm.unknown;
}
}
internal long MTU
{
get { return (long)numericUpDownMTU.Value; }
}
internal bool AutoPlug
{
get { return cbxAutomatic.Checked; }
}
public BondDetails()
{
InitializeComponent();
//setup cell styles
regStyle = dataGridView1.DefaultCellStyle.Clone();
dimmedStyle = dataGridView1.DefaultCellStyle.Clone();
dimmedStyle.ForeColor = SystemColors.GrayText;
}
internal void SetHost(Host host)
{
Connection = host.Connection;
bondSizeLimit = Helpers.BondSizeLimit(Connection);
PopulateDataGridView(NetworkingHelper.GetAllPhysicalPIFs(host));
SetDefaultBoundariesOfMtuDropDown();
ShowHideControls();
}
internal void SetPool(Pool pool)
{
Connection = pool.Connection;
bondSizeLimit = Helpers.BondSizeLimit(Connection);
PopulateDataGridView(NetworkingHelper.GetAllPhysicalPIFs(pool));
SetDefaultBoundariesOfMtuDropDown();
ShowHideControls();
}
private void PopulateDataGridView(List pifs)
{
try
{
dataGridView1.SuspendLayout();
dataGridView1.Rows.Clear();
m_numberOfCheckedNics = 0;
foreach (PIF pif in pifs)
{
string description = PIFDescription(pif);
XenAPI.Network network = Connection.Resolve(pif.network);
PIF_metrics metrics = pif.PIFMetrics();
int rowIndex = dataGridView1.Rows.Add(new object[]
{
false,
String.Format("{0} {1}", pif.Name(), description),
pif.MAC,
(network.PIFs.Count > 1) ? network.LinkStatusString() : pif.LinkStatusString(),
pif.Carrier() ? pif.Speed() : Messages.HYPHEN,
pif.Carrier() ? pif.Duplex() : Messages.HYPHEN,
metrics == null ? "" : metrics.vendor_name,
metrics == null ? "" : metrics.device_name,
metrics == null ? "" : metrics.pci_bus_path
});
DataGridViewRow row = dataGridView1.Rows[rowIndex];
row.Tag = pif;
ToggleNICRowCheckable(row);
}
//CA-47050: the ColumnPci should be autosized to Fill, but should not become smaller than a minimum
//width, which is chosen to be the column's contents (including header) width. To find what this is
//set temporarily the column's autosize mode to AllCells.
ColumnPci.AutoSizeMode = DataGridViewAutoSizeColumnMode.AllCells;
int storedWidth = ColumnPci.Width;
ColumnPci.AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
ColumnPci.MinimumWidth = storedWidth;
}
finally
{
dataGridView1.ResumeLayout();
}
SetValid();
}
private void ShowHideControls()
{
radioButtonLacpSrcMac.Visible = radioButtonLacpTcpudpPorts.Visible = Helpers.SupportsLinkAggregationBond(Connection);
}
private string PIFDescription(PIF pif)
{
Bond bond = pif.BondSlaveOf();
return bond == null ? "" : string.Format(Messages.ALREADY_IN_BOND, bond.Name());
}
internal DialogResult ShowCreationWarning()
{
List pifs = BondedPIFs;
bool will_disturb_primary = NetworkingHelper.ContainsPrimaryManagement(pifs);
bool will_disturb_secondary = NetworkingHelper.ContainsSecondaryManagement(pifs);
bool will_disturb_clustering = NetworkingHelper.ContainsClusteringPif(pifs);
// It is not allowed to bond primary and secondary interfaces together.
if (will_disturb_primary && will_disturb_secondary)
{
using (var dlg = new ThreeButtonDialog(
new ThreeButtonDialog.Details(
SystemIcons.Error,
Messages.BOND_CREATE_WILL_DISTURB_BOTH,
Messages.BOND_CREATE)))
{
dlg.ShowDialog(this);
}
return DialogResult.Cancel;
}
// Only primary management interface.
// In this case, clustering interface warning is hidden if it happens to be the management interface.
if (will_disturb_primary)
{
Pool pool = Helpers.GetPool(Connection);
if (pool != null && pool.ha_enabled)
{
using (var dlg = new ThreeButtonDialog(
new ThreeButtonDialog.Details(
SystemIcons.Error,
string.Format(Messages.BOND_CREATE_HA_ENABLED, pool.Name()),
Messages.BOND_CREATE)))
{
dlg.ShowDialog(this);
}
return DialogResult.Cancel;
}
DialogResult dialogResult;
using (var dlg = new ThreeButtonDialog(
new ThreeButtonDialog.Details(SystemIcons.Warning, Messages.BOND_CREATE_WILL_DISTURB_PRIMARY, Messages.BOND_CREATE),
"BondConfigError",
new ThreeButtonDialog.TBDButton(Messages.BOND_CREATE_CONTINUE, DialogResult.OK),
ThreeButtonDialog.ButtonCancel))
{
dialogResult = dlg.ShowDialog(this);
}
return dialogResult;
}
// Only secondary interface.
// If there is clustering interface, shows clustering warning. Otherwise, shows secondary interface warning.
if (will_disturb_secondary)
{
DialogResult dialogResult;
if (will_disturb_clustering)
{
using (var dlg = new ThreeButtonDialog(
new ThreeButtonDialog.Details(
SystemIcons.Warning,
Messages.BOND_CREATE_WILL_DISTURB_CLUSTERING,
Messages.BOND_CREATE),
ThreeButtonDialog.ButtonOK,
ThreeButtonDialog.ButtonCancel))
{
dialogResult = dlg.ShowDialog(this);
}
}
else
{
using (var dlg = new ThreeButtonDialog(
new ThreeButtonDialog.Details(
SystemIcons.Warning,
Messages.BOND_CREATE_WILL_DISTURB_SECONDARY,
Messages.BOND_CREATE),
ThreeButtonDialog.ButtonOK,
ThreeButtonDialog.ButtonCancel))
{
dialogResult = dlg.ShowDialog(this);
}
}
return dialogResult;
}
return DialogResult.OK;
}
private void UpdateCellsReadOnlyState()
{
foreach (DataGridViewRow row in dataGridView1.Rows)
ToggleNICRowCheckable(row);
}
private void ToggleNICRowCheckable(DataGridViewRow row)
{
PIF pif = row.Tag as PIF;
if (pif != null)
{
string description = PIFDescription(pif);
bool checkable = String.IsNullOrEmpty(description) && m_numberOfCheckedNics < bondSizeLimit;
//if it's already checked do not consider it
if (IsRowChecked(row))
return;
row.Cells[0].ReadOnly = !checkable;
row.DefaultCellStyle = checkable ? regStyle : dimmedStyle;
}
}
private bool IsRowChecked(DataGridViewRow row)
{
return (bool)(row.Cells[0] as DataGridViewCheckBoxCell).Value;
}
private bool IsRowChecked(int rowIndex)
{
return IsRowChecked(dataGridView1.Rows[rowIndex]);
}
private void SetValid()
{
Valid = (2 <= m_numberOfCheckedNics && m_numberOfCheckedNics <= bondSizeLimit);
}
private void dataGridView1_CurrentCellDirtyStateChanged(object sender, EventArgs e)
{
if (dataGridView1.IsCurrentCellDirty)
dataGridView1.CommitEdit(DataGridViewDataErrorContexts.Commit);
}
private void dataGridView1_CellValueChanged(object sender, DataGridViewCellEventArgs e)
{
if (e.ColumnIndex != 0)
return;
DataGridViewCheckBoxCell cell = (DataGridViewCheckBoxCell)dataGridView1.Rows[e.RowIndex].Cells[e.ColumnIndex];
if (IsRowChecked(e.RowIndex))
m_numberOfCheckedNics++;
else
m_numberOfCheckedNics--;
UpdateCellsReadOnlyState();
UpdateMtuControls();
SetValid();
}
private void UpdateMtuControls()
{
if (BondedPIFs.Count > 0)
numericUpDownMTU.Maximum = Math.Min(BondedPIFs.Select(p => p.MTU).DefaultIfEmpty(XenAPI.Network.MTU_MAX).Min(), XenAPI.Network.MTU_MAX);
else
SetDefaultBoundariesOfMtuDropDown();
ShowOrHideMtuInfo();
}
private void SetDefaultBoundariesOfMtuDropDown()
{
numericUpDownMTU.Maximum = XenAPI.Network.MTU_MAX;// Math.Min(AllPIFs.Select(p => p.MTU).DefaultIfEmpty(XenAPI.Network.MTU_MAX).Max(), XenAPI.Network.MTU_MAX);
numericUpDownMTU.Minimum = XenAPI.Network.MTU_MIN;
numericUpDownMTU.Value = XenAPI.Network.MTU_DEFAULT;
ShowOrHideMtuInfo();
}
private void ShowOrHideMtuInfo()
{
numericUpDownMTU.Enabled = numericUpDownMTU.Minimum != numericUpDownMTU.Maximum;
infoMtuMessage.Text = numericUpDownMTU.Minimum == numericUpDownMTU.Maximum
? string.Format(Messages.ALLOWED_MTU_VALUE, numericUpDownMTU.Minimum)
: string.Format(Messages.ALLOWED_MTU_RANGE, numericUpDownMTU.Minimum, numericUpDownMTU.Maximum);
}
private void BondMode_CheckedChanged(object sender, EventArgs e)
{
ShowHideLacpWarning();
}
private void ShowHideLacpWarning()
{
panelLACPWarning.Visible = radioButtonLacpSrcMac.Checked || radioButtonLacpTcpudpPorts.Checked;
}
}
}