mirror of
https://github.com/xcp-ng/xenadmin.git
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445 lines
17 KiB
C#
445 lines
17 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 XenAdmin.Actions;
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using XenAdmin.Core;
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using XenAPI;
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using XenAdmin.Dialogs;
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namespace XenAdmin.SettingsPanels
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{
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public partial class CPUMemoryEditPage : UserControl, IEditPage
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{
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private VM vm;
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bool ShowMemory = false; // If this VM has DMC, we don't show the memory controls on this page.
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bool MROrGreater = true; // If Midnight Ride or greater, we only show the VCPU controls when the VM is halted.
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private bool _ValidToSave = true;
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private decimal _OrigMemory;
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private decimal _OrigVCPUs;
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private decimal _OrigVCPUWeight;
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private decimal _CurrentVCPUWeight;
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private ChangeMemorySettingsAction memoryAction;
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public bool ValidToSave
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{
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get
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{
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if (!_ValidToSave)
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return false;
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// Also confirm whether the user wants to save memory changes.
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// If not, don't close the properties dialog.
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if (MROrGreater && HasMemoryChanged)
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{
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long mem = Convert.ToInt64(this.nudMemory.Value * Util.BINARY_MEGA);
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memoryAction = BallooningDialogBase.ConfirmAndReturnAction(Program.MainWindow, vm, mem, mem, mem, vm.memory_static_max, false);
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if (memoryAction == null)
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return false;
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}
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return true;
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}
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}
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public CPUMemoryEditPage()
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{
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InitializeComponent();
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Text = Messages.CPU_AND_MEMORY;
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transparentTrackBar1.Scroll += new EventHandler(tbPriority_Scroll);
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this.nudMemory.TextChanged += new EventHandler(nudMemory_TextChanged);
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this.nudVCPUs.TextChanged += new EventHandler(nudVCPUs_TextChanged);
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this.nudMemory.LostFocus += new EventHandler(nudMemory_LostFocus);
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this.nudVCPUs.LostFocus += new EventHandler(nudVCPUs_LostFocus);
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}
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public Image Image
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{
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get
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{
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return Properties.Resources._000_CPU_h32bit_16;
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}
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}
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void nudVCPUs_LostFocus(object sender, EventArgs e)
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{
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ValidateNud(nudVCPUs, Convert.ToDecimal(vm.VCPUs_at_startup));
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}
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void nudMemory_LostFocus(object sender, EventArgs e)
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{
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ValidateNud(nudMemory, vm.memory_static_max / Util.BINARY_MEGA);
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}
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private void ValidateNud(NumericUpDown nud, Decimal defaultValue)
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{
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if (!String.IsNullOrEmpty(nud.Text.Trim()))
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return;
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nud.Value = defaultValue >= nud.Minimum && defaultValue <= nud.Maximum ?
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defaultValue : nud.Maximum;
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nud.Text = nud.Value.ToString();
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}
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void nudVCPUs_TextChanged(object sender, EventArgs e)
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{
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decimal val;
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if (decimal.TryParse(nudVCPUs.Text, out val))
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{
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if (val >= nudVCPUs.Minimum && val <= nudVCPUs.Maximum)
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nudVCPUs_ValueChanged(null, null);
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else if (val > nudVCPUs.Maximum)
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ShowVcpuError(true, false);
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else
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ShowVcpuError(false, false);
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}
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if (this.nudVCPUs.Text == "")
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{
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_ValidToSave = false;
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}
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else
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{
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_ValidToSave = true;
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}
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}
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void nudMemory_TextChanged(object sender, EventArgs e)
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{
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decimal val;
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if (decimal.TryParse(nudMemory.Text, out val))
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{
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if (val >= nudMemory.Minimum && val <= nudMemory.Maximum)
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nudMemory_ValueChanged(null, null);
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else if (val > nudMemory.Maximum)
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ShowMemError(true, false);
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else
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ShowMemError(false, false);
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}
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if (this.nudMemory.Text == "")
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{
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_ValidToSave = false;
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}
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else
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{
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_ValidToSave = true;
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}
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}
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private void tbPriority_Scroll(object sender, EventArgs e)
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{
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_CurrentVCPUWeight = Convert.ToDecimal(Math.Pow(4.0d, Convert.ToDouble(transparentTrackBar1.Value)));
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if (transparentTrackBar1.Value == transparentTrackBar1.Max)
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_CurrentVCPUWeight--;
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}
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/// <summary>
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/// Must be a VM.
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/// </summary>
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public void SetXenObjects(IXenObject orig, IXenObject clone)
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{
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vm = (VM)clone;
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MROrGreater = Helpers.MidnightRideOrGreater(vm.Connection);
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ShowMemory = !MROrGreater || Helpers.FeatureForbidden(vm, Host.RestrictDMC);
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Repopulate();
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}
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public void Repopulate()
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{
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VM vm = this.vm;
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Text = ShowMemory ? Messages.CPU_AND_MEMORY : Messages.CPU;
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if (!ShowMemory)
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lblMemory.Visible = panel2.Visible = MemWarningLabel.Visible = false;
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else if (MROrGreater && vm.power_state != vm_power_state.Halted && vm.power_state != vm_power_state.Running)
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{
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panel2.Enabled = false;
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MemWarningLabel.Text = Messages.MEM_NOT_WHEN_SUSPENDED;
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MemWarningLabel.ForeColor = SystemColors.ControlText;
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MemWarningLabel.Visible = true;
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}
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if (MROrGreater && vm.power_state != vm_power_state.Halted)
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{
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nudVCPUs.Enabled = false;
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comboBoxTopology.Enabled = false;
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VCPUWarningLabel.Text = Messages.VCPU_ONLY_WHEN_HALTED;
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VCPUWarningLabel.ForeColor = SystemColors.ControlText;
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VCPUWarningLabel.Visible = true;
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}
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// Since updates come in dribs and drabs, avoid error if new max and min arrive
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// out of sync and maximum < minimum.
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if (vm.memory_dynamic_max >= vm.memory_dynamic_min &&
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vm.memory_static_max >= vm.memory_static_min)
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{
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decimal min = Convert.ToDecimal(vm.memory_static_min / Util.BINARY_MEGA);
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decimal max = Convert.ToDecimal(vm.MaxMemAllowed / Util.BINARY_MEGA);
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decimal value = Convert.ToDecimal(vm.memory_static_max / Util.BINARY_MEGA);
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// Avoid setting the range to exclude the current value: CA-40041
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if (value > max)
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max = value;
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if (value < min)
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min = value;
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this.nudMemory.Minimum = min;
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this.nudMemory.Maximum = max;
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this.nudMemory.Text = (this.nudMemory.Value = value).ToString();
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}
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// CA-12941
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// We set a sensible maximum of about 8, but if the user sets something higher
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// from the CLI then use that as the maximum.
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this.nudVCPUs.Maximum = Convert.ToDecimal(vm.MaxVCPUsAllowed < vm.VCPUs_at_startup ? vm.VCPUs_at_startup : vm.MaxVCPUsAllowed);
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this.nudVCPUs.Text = (this.nudVCPUs.Value = Convert.ToDecimal(vm.VCPUs_at_startup > 0 ? vm.VCPUs_at_startup : 1)).ToString();
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_CurrentVCPUWeight = Convert.ToDecimal(vm.VCPUWeight);
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this.transparentTrackBar1.Value = Convert.ToInt32(Math.Log(Convert.ToDouble(vm.VCPUWeight)) / Math.Log(4.0d));
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Host currentHost = Helpers.GetMaster(this.vm.Connection);
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if (currentHost != null)
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{
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bool QosRestricted = currentHost.RestrictQoS;
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transparentTrackBar1.Enabled = !QosRestricted;
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licenseRestrictionTip.Active = QosRestricted;
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lblSliderLowest.Enabled = !QosRestricted;
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lblSliderNormal.Enabled = !QosRestricted;
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lblSliderHighest.Enabled = !QosRestricted;
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lblPriority.Enabled = !QosRestricted;
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panel1.Enabled = !QosRestricted;
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// Show the performance warning about vCPUs > pCPUs.
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// Don't show if the VM isn't running, since we don't know which server it will
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// run on (and so can't count the number of pCPUs).
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if ( vm.power_state == vm_power_state.Running
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&& vm.VCPUs_at_startup > currentHost.host_CPUs.Count
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&& !vm.IgnoreExcessiveVcpus)
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{
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lblVcpuWarning.Visible = true;
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this.tableLayoutPanel1.RowStyles[1].SizeType = SizeType.Absolute;
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this.tableLayoutPanel1.RowStyles[1].Height = 30;
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}
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else
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{
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lblVcpuWarning.Visible = false;
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}
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}
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else
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{
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lblVcpuWarning.Visible = false;
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}
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_OrigMemory = nudMemory.Value;
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_OrigVCPUs = nudVCPUs.Value;
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_OrigVCPUWeight = _CurrentVCPUWeight;
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comboBoxTopology.Populate(vm.VCPUs_at_startup, vm.VCPUs_max, vm.CoresPerSocket, vm.MaxCoresPerSocket);
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_ValidToSave = true;
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}
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public bool HasChanged
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{
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get { return HasVCPUChanged || HasMemoryChanged || HasTopologyChanged; }
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}
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private bool HasMemoryChanged
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{
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get
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{
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return _OrigMemory != nudMemory.Value;
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}
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}
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private bool HasVCPUChanged
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{
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get
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{
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return _OrigVCPUs != nudVCPUs.Value || _OrigVCPUWeight != _CurrentVCPUWeight;
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}
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}
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private bool HasTopologyChanged
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{
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get
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{
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return vm.CoresPerSocket != comboBoxTopology.CoresPerSocket;
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}
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}
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public AsyncAction SaveSettings()
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{
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List<AsyncAction> actions = new List<AsyncAction>();
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if (HasVCPUChanged)
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{
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vm.VCPUWeight = Convert.ToInt32(_CurrentVCPUWeight);
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if (_OrigVCPUs != nudVCPUs.Value)
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actions.Add(new ChangeVCPUSettingsAction(vm, Convert.ToInt64(nudVCPUs.Value)));
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}
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if (HasTopologyChanged)
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{
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vm.CoresPerSocket = comboBoxTopology.CoresPerSocket;
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}
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if (HasMemoryChanged)
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{
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if (MROrGreater)
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actions.Add(memoryAction); // Calculated in ValidToSave
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else
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vm.Memory = Convert.ToInt64(this.nudMemory.Value * Util.BINARY_MEGA);
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}
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if (!Program.RunInAutomatedTestMode && vm.power_state != vm_power_state.Halted)
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{
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if (!HasMemoryChanged)
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new ThreeButtonDialog(new ThreeButtonDialog.Details(SystemIcons.Information, Messages.VM_VCPU_CHANGES_NOT_SUPPORTED_MESSAGE, Messages.VM_LIVE_CHANGES_NOT_SUPPORTED_TITLE)).ShowDialog();
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else if (!MROrGreater)
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new ThreeButtonDialog(new ThreeButtonDialog.Details(SystemIcons.Information, Messages.VM_VCPU_CHANGES_NOT_SUPPORTED_MESSAGE, Messages.VM_LIVE_CHANGES_NOT_SUPPORTED_TITLE)).ShowDialog();
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// If it is >= Midnight Ride, and memory has changed (which can only happen in the free version),
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// we have already given a message in ValidToSave that the VM will be forcibly rebooted, so no
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// further message is needed here.
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}
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if (actions.Count == 0)
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return null;
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else if (actions.Count == 1)
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return actions[0];
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else
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{
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MultipleAction multipleAction = new MultipleAction(vm.Connection, "", "", "", actions);
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return multipleAction;
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}
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}
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/** Show local validation balloon tooltips */
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public void ShowLocalValidationMessages() { }
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/** Unregister listeners, dispose balloon tooltips, etc. */
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public void Cleanup() { }
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/// <summary>
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/// Shows the warning dialog about vCPUs > pCPUs.
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/// </summary>
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private void lblVcpuWarning_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
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{
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if (vm == null)
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{
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System.Diagnostics.Trace.Assert(false, "Selected object should be a vm");
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}
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else
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{
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new Dialogs.VcpuWarningDialog(vm).ShowDialog();
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this.Refresh();
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}
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}
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private void nudMemory_ValueChanged(object sender, EventArgs e)
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{
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ShowMemError(false, true);
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}
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private void ShowMemError(bool showAlways, bool testValue)
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{
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if (vm == null || !ShowMemory)
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return;
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Host selectedAffinity = vm.Connection.Resolve<Host>(vm.power_state == vm_power_state.Running ? vm.resident_on : vm.affinity);
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if (selectedAffinity != null)
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{
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Host_metrics host_metrics = vm.Connection.Resolve<Host_metrics>(selectedAffinity.metrics);
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if ((showAlways || (testValue && (host_metrics != null && (double)host_metrics.memory_total < (double)nudMemory.Value * (double)Util.BINARY_MEGA))))
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{
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MemWarningLabel.Visible = true;
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}
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else
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{
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MemWarningLabel.Visible = false;
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}
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}
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}
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private void nudVCPUs_ValueChanged(object sender, EventArgs e)
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{
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ShowVcpuError(false, true);
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comboBoxTopology.Update((long)(nudVCPUs.Value));
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ValidateVCPUSettings();
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}
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private void ShowVcpuError(bool showAlways, bool testValue)
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{
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if (vm == null || !nudVCPUs.Enabled)
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return;
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Host selectedAffinity = vm.Home();
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if (selectedAffinity == null && vm.Connection.Cache.Hosts.Length == 1)
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selectedAffinity = vm.Connection.Cache.Hosts[0];
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if (showAlways || (testValue && (selectedAffinity != null && selectedAffinity.host_CPUs.Count < nudVCPUs.Value)))
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{
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VCPUWarningLabel.Visible = true;
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}
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else
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{
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VCPUWarningLabel.Visible = false;
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}
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}
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public String SubText
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{
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get
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{
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return ShowMemory ?
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String.Format(Messages.CPU_AND_MEMORY_SUB, nudVCPUs.Value, nudMemory.Value) :
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String.Format(Messages.CPU_SUB, nudVCPUs.Value);
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}
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}
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private void comboBoxTopology_SelectedIndexChanged(object sender, EventArgs e)
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{
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ValidateVCPUSettings();
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}
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private void ValidateVCPUSettings()
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{
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labelInvalidVCPUWarning.Visible = !VM.ValidVCPUConfiguration((long)(nudVCPUs.Value), comboBoxTopology.CoresPerSocket);
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}
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}
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}
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