mirror of
https://github.com/xcp-ng/xenadmin.git
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119 lines
4.3 KiB
C#
119 lines
4.3 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.ComponentModel;
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using System.Drawing;
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using System.Data;
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using System.Text;
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using System.Windows.Forms;
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using XenAPI;
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namespace XenAdmin.Controls.Ballooning
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{
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public partial class HostMemoryControls : UserControl
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{
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public HostMemoryControls()
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{
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InitializeComponent();
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}
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private Host _host;
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private Host_metrics host_metrics;
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[Browsable(false)]
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public Host host
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{
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private get { return _host; }
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set
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{
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_host = value;
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host.PropertyChanged += host_PropertyChanged;
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host_metrics = _host.Connection.Resolve(host.metrics);
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foreach (VM vm in _host.Connection.ResolveAll(_host.resident_VMs))
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{
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vm.PropertyChanged += vm_PropertyChanged;
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VM_metrics metrics = vm.Connection.Resolve(vm.metrics);
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if (metrics != null)
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metrics.PropertyChanged += vm_metrics_PropertyChanged;
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}
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}
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}
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protected override void OnPaint(PaintEventArgs e)
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{
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// Calculate values to display
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if (host == null || host_metrics == null)
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return;
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long total = host_metrics.memory_total;
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long free = host.memory_free_calc;
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long used = total - free;
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long xen_memory = host.xen_memory_calc;
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long avail = host.memory_available_calc;
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long tot_dyn_max = host.tot_dyn_max + xen_memory;
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long overcommit = total > 0
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? (long)Math.Round((double)tot_dyn_max / (double)total * 100.0)
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: 0;
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// Initialize the shiny bar
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hostShinyBar.Initialize(host, xen_memory);
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// Set the text values
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valueTotal.Text = Util.ToMB(total).ToString();
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valueUsed.Text = Util.ToMB(used).ToString();
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valueAvail.Text = Util.ToMB(avail).ToString();
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valueTotDynMax.Text = Util.ToMB(tot_dyn_max).ToString();
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labelOvercommit.Text = string.Format(Messages.OVERCOMMIT, overcommit);
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}
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void vm_PropertyChanged(object sender, PropertyChangedEventArgs e)
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{
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if (e.PropertyName == "memory_overhead")
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this.Refresh();
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}
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void host_PropertyChanged(object sender, PropertyChangedEventArgs e)
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{
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if (e.PropertyName == "memory_overhead")
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this.Refresh();
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}
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void vm_metrics_PropertyChanged(object sender, PropertyChangedEventArgs e)
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{
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if (e.PropertyName == "memory_actual")
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this.Refresh();
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}
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}
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}
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