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429 lines
15 KiB
C#
429 lines
15 KiB
C#
/* Copyright (c) Citrix Systems, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms,
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* with or without modification, are permitted provided
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* that the following conditions are met:
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*
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* * Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the
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* following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the
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* following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Windows.Forms;
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using XenAPI;
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using XenAdmin.Network;
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using XenAdmin.Dialogs;
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using XenAdmin.Core;
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using System.Linq;
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namespace XenAdmin.Controls
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{
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public partial class BondDetails : UserControl
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{
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private int bondSizeLimit = 2;
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private int m_numberOfCheckedNics;
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/// <summary>
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/// Style to use for checkable rows
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/// </summary>
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private DataGridViewCellStyle regStyle;
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/// <summary>
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/// Style to use for non-checkable rows (should appear grayed out)
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/// </summary>
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private DataGridViewCellStyle dimmedStyle;
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public event EventHandler ValidChanged;
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internal IXenConnection Connection;
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private bool valid = false;
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internal bool Valid
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{
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get
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{
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return valid;
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}
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set
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{
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if (valid != value)
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{
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valid = value;
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if (ValidChanged != null)
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ValidChanged(this, null);
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}
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}
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}
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internal string BondName
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{
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get
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{
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return string.Format(Messages.PIF_BOND, PIF.BondSuffix(BondedPIFs));
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}
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}
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internal List<PIF> BondedPIFs
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{
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get
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{
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List<PIF> result = new List<PIF>();
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foreach (DataGridViewRow row in dataGridView1.Rows)
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{
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if (IsRowChecked(row))
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result.Add((PIF)row.Tag);
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}
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return result;
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}
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}
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internal List<PIF> AllPIFs
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{
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get
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{
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return dataGridView1.Rows.OfType<DataGridViewRow>().Select(r => r.Tag as PIF).Where(t => t != null).ToList();
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}
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}
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internal bond_mode BondMode
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{
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get
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{
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return radioButtonActiveBackup.Checked
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? bond_mode.active_backup
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: radioButtonBalanceSlb.Checked
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? bond_mode.balance_slb
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: bond_mode.lacp;
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}
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}
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internal Bond.hashing_algoritm HashingAlgorithm
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{
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get
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{
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return radioButtonLacpSrcMac.Checked
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? Bond.hashing_algoritm.src_mac
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: radioButtonLacpTcpudpPorts.Checked ? Bond.hashing_algoritm.tcpudp_ports : Bond.hashing_algoritm.unknown;
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}
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}
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internal long MTU
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{
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get { return (long)numericUpDownMTU.Value; }
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}
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internal bool AutoPlug
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{
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get { return cbxAutomatic.Checked; }
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}
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public BondDetails()
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{
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InitializeComponent();
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//setup cell styles
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regStyle = dataGridView1.DefaultCellStyle.Clone();
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dimmedStyle = dataGridView1.DefaultCellStyle.Clone();
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dimmedStyle.ForeColor = SystemColors.GrayText;
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}
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internal void SetHost(Host host)
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{
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Connection = host.Connection;
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bondSizeLimit = Helpers.BondSizeLimit(Connection);
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PopulateDataGridView(NetworkingHelper.GetAllPhysicalPIFs(host));
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SetDefaultBoundariesOfMtuDropDown();
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ShowHideControls();
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}
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internal void SetPool(Pool pool)
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{
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Connection = pool.Connection;
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bondSizeLimit = Helpers.BondSizeLimit(Connection);
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PopulateDataGridView(NetworkingHelper.GetAllPhysicalPIFs(pool));
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SetDefaultBoundariesOfMtuDropDown();
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ShowHideControls();
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}
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private void PopulateDataGridView(List<PIF> pifs)
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{
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try
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{
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dataGridView1.SuspendLayout();
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dataGridView1.Rows.Clear();
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m_numberOfCheckedNics = 0;
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foreach (PIF pif in pifs)
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{
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string description = PIFDescription(pif);
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XenAPI.Network network = Connection.Resolve<XenAPI.Network>(pif.network);
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PIF_metrics metrics = pif.PIFMetrics();
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int rowIndex = dataGridView1.Rows.Add(new object[]
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{
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false,
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String.Format("{0} {1}", pif.Name(), description),
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pif.MAC,
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(network.PIFs.Count > 1) ? network.LinkStatusString() : pif.LinkStatusString(),
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pif.Carrier() ? pif.Speed() : Messages.HYPHEN,
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pif.Carrier() ? pif.Duplex() : Messages.HYPHEN,
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metrics == null ? "" : metrics.vendor_name,
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metrics == null ? "" : metrics.device_name,
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metrics == null ? "" : metrics.pci_bus_path
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});
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DataGridViewRow row = dataGridView1.Rows[rowIndex];
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row.Tag = pif;
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ToggleNICRowCheckable(row);
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}
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//CA-47050: the ColumnPci should be autosized to Fill, but should not become smaller than a minimum
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//width, which is chosen to be the column's contents (including header) width. To find what this is
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//set temporarily the column's autosize mode to AllCells.
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ColumnPci.AutoSizeMode = DataGridViewAutoSizeColumnMode.AllCells;
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int storedWidth = ColumnPci.Width;
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ColumnPci.AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
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ColumnPci.MinimumWidth = storedWidth;
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}
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finally
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{
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dataGridView1.ResumeLayout();
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}
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SetValid();
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}
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private void ShowHideControls()
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{
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radioButtonLacpSrcMac.Visible = radioButtonLacpTcpudpPorts.Visible = Helpers.SupportsLinkAggregationBond(Connection);
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}
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private string PIFDescription(PIF pif)
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{
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Bond bond = pif.BondSlaveOf();
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return bond == null ? "" : string.Format(Messages.ALREADY_IN_BOND, bond.Name());
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}
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internal DialogResult ShowCreationWarning()
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{
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List<PIF> pifs = BondedPIFs;
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bool will_disturb_primary = NetworkingHelper.ContainsPrimaryManagement(pifs);
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bool will_disturb_secondary = NetworkingHelper.ContainsSecondaryManagement(pifs);
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bool will_disturb_clustering = NetworkingHelper.ContainsClusteringPif(pifs);
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// It is not allowed to bond primary and secondary interfaces together.
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if (will_disturb_primary && will_disturb_secondary)
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{
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using (var dlg = new ThreeButtonDialog(
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new ThreeButtonDialog.Details(
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SystemIcons.Error,
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Messages.BOND_CREATE_WILL_DISTURB_BOTH,
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Messages.BOND_CREATE)))
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{
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dlg.ShowDialog(this);
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}
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return DialogResult.Cancel;
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}
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// Only primary management interface.
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// In this case, clustering interface warning is hidden if it happens to be the management interface.
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if (will_disturb_primary)
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{
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Pool pool = Helpers.GetPool(Connection);
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if (pool != null && pool.ha_enabled)
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{
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using (var dlg = new ThreeButtonDialog(
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new ThreeButtonDialog.Details(
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SystemIcons.Error,
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string.Format(Messages.BOND_CREATE_HA_ENABLED, pool.Name()),
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Messages.BOND_CREATE)))
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{
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dlg.ShowDialog(this);
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}
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return DialogResult.Cancel;
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}
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DialogResult dialogResult;
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using (var dlg = new ThreeButtonDialog(
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new ThreeButtonDialog.Details(SystemIcons.Warning, Messages.BOND_CREATE_WILL_DISTURB_PRIMARY, Messages.BOND_CREATE),
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"BondConfigError",
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new ThreeButtonDialog.TBDButton(Messages.BOND_CREATE_CONTINUE, DialogResult.OK),
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ThreeButtonDialog.ButtonCancel))
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{
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dialogResult = dlg.ShowDialog(this);
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}
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return dialogResult;
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}
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// Only secondary interface.
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// If there is clustering interface, shows clustering warning. Otherwise, shows secondary interface warning.
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if (will_disturb_secondary)
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{
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DialogResult dialogResult;
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if (will_disturb_clustering)
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{
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using (var dlg = new ThreeButtonDialog(
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new ThreeButtonDialog.Details(
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SystemIcons.Warning,
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Messages.BOND_CREATE_WILL_DISTURB_CLUSTERING,
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Messages.BOND_CREATE),
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ThreeButtonDialog.ButtonOK,
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ThreeButtonDialog.ButtonCancel))
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{
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dialogResult = dlg.ShowDialog(this);
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}
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}
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else
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{
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using (var dlg = new ThreeButtonDialog(
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new ThreeButtonDialog.Details(
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SystemIcons.Warning,
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Messages.BOND_CREATE_WILL_DISTURB_SECONDARY,
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Messages.BOND_CREATE),
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ThreeButtonDialog.ButtonOK,
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ThreeButtonDialog.ButtonCancel))
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{
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dialogResult = dlg.ShowDialog(this);
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}
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}
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return dialogResult;
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}
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return DialogResult.OK;
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}
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private void UpdateCellsReadOnlyState()
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{
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foreach (DataGridViewRow row in dataGridView1.Rows)
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ToggleNICRowCheckable(row);
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}
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private void ToggleNICRowCheckable(DataGridViewRow row)
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{
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PIF pif = row.Tag as PIF;
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if (pif != null)
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{
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string description = PIFDescription(pif);
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bool checkable = String.IsNullOrEmpty(description) && m_numberOfCheckedNics < bondSizeLimit;
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//if it's already checked do not consider it
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if (IsRowChecked(row))
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return;
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row.Cells[0].ReadOnly = !checkable;
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row.DefaultCellStyle = checkable ? regStyle : dimmedStyle;
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}
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}
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private bool IsRowChecked(DataGridViewRow row)
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{
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return (bool)(row.Cells[0] as DataGridViewCheckBoxCell).Value;
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}
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private bool IsRowChecked(int rowIndex)
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{
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return IsRowChecked(dataGridView1.Rows[rowIndex]);
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}
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private void SetValid()
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{
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Valid = (2 <= m_numberOfCheckedNics && m_numberOfCheckedNics <= bondSizeLimit);
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}
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private void dataGridView1_CurrentCellDirtyStateChanged(object sender, EventArgs e)
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{
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if (dataGridView1.IsCurrentCellDirty)
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dataGridView1.CommitEdit(DataGridViewDataErrorContexts.Commit);
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}
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private void dataGridView1_CellValueChanged(object sender, DataGridViewCellEventArgs e)
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{
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if (e.ColumnIndex != 0)
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return;
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DataGridViewCheckBoxCell cell = (DataGridViewCheckBoxCell)dataGridView1.Rows[e.RowIndex].Cells[e.ColumnIndex];
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if (IsRowChecked(e.RowIndex))
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m_numberOfCheckedNics++;
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else
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m_numberOfCheckedNics--;
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UpdateCellsReadOnlyState();
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UpdateMtuControls();
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SetValid();
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}
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private void UpdateMtuControls()
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{
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if (BondedPIFs.Count > 0)
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numericUpDownMTU.Maximum = Math.Min(BondedPIFs.Select(p => p.MTU).DefaultIfEmpty(XenAPI.Network.MTU_MAX).Min(), XenAPI.Network.MTU_MAX);
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else
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SetDefaultBoundariesOfMtuDropDown();
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ShowOrHideMtuInfo();
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}
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private void SetDefaultBoundariesOfMtuDropDown()
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{
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numericUpDownMTU.Maximum = XenAPI.Network.MTU_MAX;// Math.Min(AllPIFs.Select(p => p.MTU).DefaultIfEmpty(XenAPI.Network.MTU_MAX).Max(), XenAPI.Network.MTU_MAX);
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numericUpDownMTU.Minimum = XenAPI.Network.MTU_MIN;
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numericUpDownMTU.Value = XenAPI.Network.MTU_DEFAULT;
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ShowOrHideMtuInfo();
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}
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private void ShowOrHideMtuInfo()
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{
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numericUpDownMTU.Enabled = numericUpDownMTU.Minimum != numericUpDownMTU.Maximum;
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infoMtuMessage.Text = numericUpDownMTU.Minimum == numericUpDownMTU.Maximum
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? string.Format(Messages.ALLOWED_MTU_VALUE, numericUpDownMTU.Minimum)
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: string.Format(Messages.ALLOWED_MTU_RANGE, numericUpDownMTU.Minimum, numericUpDownMTU.Maximum);
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}
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private void BondMode_CheckedChanged(object sender, EventArgs e)
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{
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ShowHideLacpWarning();
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}
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private void ShowHideLacpWarning()
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{
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panelLACPWarning.Visible = radioButtonLacpSrcMac.Checked || radioButtonLacpTcpudpPorts.Checked;
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}
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}
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}
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