xenadmin/XenAdmin/Dialogs/NetworkingPropertiesPage.cs

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/* Copyright (c) Citrix Systems Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms,
* with or without modification, are permitted provided
* that the following conditions are met:
*
* * Redistributions of source code must retain the above
* copyright notice, this list of conditions and the
* following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the
* following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Windows.Forms;
using XenAdmin.Controls;
using XenAdmin.Core;
namespace XenAdmin.Dialogs
{
public partial class NetworkingPropertiesPage : UserControl, VerticalTabs.VerticalTab
{
public enum Type { PRIMARY, PRIMARY_WITH_HA, SECONDARY };
public bool Pool;
public Type type;
public int HostCount;
public string Purpose;
protected internal Rectangle DeleteIconBounds;
public override string Text
{
get
{
return Purpose ?? String.Empty;
}
set
{
Purpose = value;
}
}
private bool valid;
public bool Valid
{
get { return valid; }
set { if (valid != value) { valid = value; ValidChanged(this, null); } }
}
public event EventHandler ValidChanged;
public event EventHandler DeleteButtonClicked;
public event EventHandler NetworkComboBoxChanged;
private Dictionary<XenAPI.Network, List<NetworkingPropertiesPage>> InUseMap;
private XenAPI.Network ManagementNetwork;
private string InUseWarning = null;
private bool SquelchNetworkComboBoxChange = false;
private bool TriggeringChange = false;
public NetworkingPropertiesPage(Type type)
{
this.type = type;
InitializeComponent();
}
public Image Image
{
get { return Images.GetImage16For(type == Type.SECONDARY ? Icons.PifSecondary : Icons.PifPrimary); }
}
public String SubText
{
get
{
if (NetworkComboBox.SelectedItem == null)
return Messages.NONE;
return String.Format(Messages.NETWORKING_PROPERTIES_SUBTEXT,
NetworkComboBox.SelectedItem, DHCPIPRadioButton.Checked ? Messages.PIF_DHCP : Messages.PIF_STATIC);
}
}
private void SetDNSControlsVisible(bool value)
{
PreferredDNSTextBox.Visible = value;
AlternateDNS1TextBox.Visible = value;
AlternateDNS2TextBox.Visible = value;
PreferredDNSLabel.Visible = value;
AlternateDNS1Label.Visible = value;
AlternateDNS2Label.Visible = value;
}
public void RefreshButtons()
{
XenAPI.Network network = (XenAPI.Network)NetworkComboBox.SelectedItem;
string purpose = network == null ? null : FindOtherPurpose(network);
InUseWarning =
purpose == null || purpose == Purpose ?
null :
type == Type.SECONDARY && network == ManagementNetwork ?
string.Format(Messages.NETWORKING_PROPERTIES_IN_USE_WARNING_MANAGEMENT, network.ToString()) :
string.Format(Messages.NETWORKING_PROPERTIES_IN_USE_WARNING, network.ToString(), purpose);
PurposeLabel.Visible =
PurposeTextBox.Visible =
DeleteButton.Visible =
(type == Type.SECONDARY);
panelHAEnabledWarning.Visible =
(type == Type.PRIMARY_WITH_HA);
SetDNSControlsVisible(type != Type.SECONDARY);
panelInUseWarning.Visible =
InUseWarning != null;
InUseWarningText.Text = InUseWarning;
IpAddressSettingsLabel.Text = type == Type.SECONDARY
? Messages.NETWORKING_PROPERTIES_IP_SETTINGS
: Messages.NETWORKING_PROPERTIES_IP_AND_DNS_SETTINGS;
IPAddressLabel.Text = Pool ? Messages.IP_ADDRESS_RANGE_LABEL : Messages.IP_ADDRESS_LABEL;
tableLayoutPanelStaticSettings.Enabled = FixedIPRadioButton.Checked;
RangeEndLabel.Visible = Pool;
Valid =
InUseWarning == null &&
NetworkComboBox.SelectedIndex != -1 &&
(DHCPIPRadioButton.Checked ||
((StringUtility.IsIPAddress(IPAddressTextBox.Text)) &&
StringUtility.IsIPAddress(SubnetTextBox.Text) && IsOptionalIPAddress(GatewayTextBox.Text))) &&
(type == Type.SECONDARY || ((IsOptionalIPAddress(PreferredDNSTextBox.Text)
&& IsOptionalIPAddress(AlternateDNS1TextBox.Text)
&& IsOptionalIPAddress(AlternateDNS2TextBox.Text))));
// Grey out everything if HA is enabled: CA-24714
if (type == Type.PRIMARY_WITH_HA)
{
foreach (Control c in Controls)
c.Enabled = false;
haEnabledWarningIcon.Enabled =
haEnabledRubric.Enabled =
true;
}
}
private string FindOtherPurpose(XenAPI.Network network)
{
if (InUseMap[network] != null)
{
List<NetworkingPropertiesPage> pages = InUseMap[network];
foreach (NetworkingPropertiesPage page in pages)
{
if (page != this)
return page.Purpose;
}
}
return null;
}
private bool IsInRange(string s)
{
string[] bits = s.Split('.');
return int.Parse(bits[3]) + HostCount <= 256;
}
private bool IsOptionalIPAddress(string s)
{
return s == "" || StringUtility.IsIPAddress(s);
}
private void SomethingChanged(object sender, EventArgs e)
{
RefreshButtons();
}
private void NetworkComboBox_SelectedIndexChanged(object sender, EventArgs e)
{
if (SquelchNetworkComboBoxChange)
return;
RefreshButtons();
TriggeringChange = true;
try
{
if (NetworkComboBoxChanged != null)
NetworkComboBoxChanged(this, e);
}
finally
{
TriggeringChange = false;
}
}
private void DeleteButton_Click(object sender, EventArgs e)
{
if (DeleteButtonClicked != null)
DeleteButtonClicked(this, e);
}
private void NetworkComboBox_DrawItem(object sender, DrawItemEventArgs e)
{
Graphics g = e.Graphics;
XenAPI.Network network =
(XenAPI.Network)(e.Index == -1 ? NetworkComboBox.SelectedItem : NetworkComboBox.Items[e.Index]);
if (network == null)
return;
string purpose = FindOtherPurpose(network);
string label =
purpose == null || purpose == Purpose ?
network.ToString() :
string.Format(Messages.NETWORK_IN_USE_BY, network.ToString(), purpose);
Brush text_brush = (e.State & DrawItemState.Selected) > 0 ? SystemBrushes.HighlightText : SystemBrushes.ControlText;
e.DrawBackground();
g.DrawString(label, Program.DefaultFont, text_brush, new PointF(e.Bounds.X + 1, e.Bounds.Y + 1));
e.DrawFocusRectangle();
}
internal void RefreshNetworkComboBox(Dictionary<XenAPI.Network, List<NetworkingPropertiesPage>> InUseMap, XenAPI.Network ManagementNetwork)
{
this.InUseMap = InUseMap;
this.ManagementNetwork = ManagementNetwork;
XenAPI.Network selected = (XenAPI.Network)NetworkComboBox.SelectedItem;
List<XenAPI.Network> networks = new List<XenAPI.Network>(InUseMap.Keys);
networks.Sort();
NetworkComboBox.Items.Clear();
if (type == Type.PRIMARY || type == Type.PRIMARY_WITH_HA)
networks.RemoveAll(
network=>network.IsVLAN);
NetworkComboBox.Items.AddRange(networks.ToArray());
SquelchNetworkComboBoxChange = true;
try
{
NetworkComboBox.SelectedItem = selected;
}
finally
{
SquelchNetworkComboBoxChange = false;
}
if (!TriggeringChange)
{
RefreshButtons();
}
}
internal void SelectFirstUnusedNetwork()
{
List<XenAPI.Network> networks = new List<XenAPI.Network>(InUseMap.Keys);
networks.Sort();
foreach (XenAPI.Network network in networks)
{
if (InUseMap[network] == null)
{
NetworkComboBox.SelectedItem = network;
return;
}
}
}
internal void SelectName()
{
PurposeTextBox.Select();
PurposeTextBox.SelectAll();
}
public bool NameValid
{
get
{
return _nameValid;
}
}
private bool _nameValid = true;
private void PurposeTextBox_TextChanged(object sender, EventArgs e)
{
if (PurposeTextBox.Text == string.Empty)
_nameValid = false;
else
_nameValid = true;
if(ValidChanged!=null)
ValidChanged(this, null);
}
private void IPAddressTextBox_TextChanged(object sender, EventArgs e)
{
RefreshButtons();
if (Pool)
{
if (StringUtility.IsIPAddress(IPAddressTextBox.Text))
{
string[] bits = IPAddressTextBox.Text.Split('.');
RangeEndLabel.Text = string.Format(Messages.IP_ADDRESS_RANGE_END, bits[0], bits[1], bits[2],
int.Parse(bits[3]) + HostCount - 1);
}
}
}
}
}