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xenadmin/XenAdmin/ConsoleView/VNCTabView.cs
Cheng Zhang c6ccae79d3 CP-10955: rework comments 
Signed-off-by: Cheng Zhang <cheng.zhang@citrix.com>
2015-01-28 10:02:19 +08:00

1489 lines
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C#
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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.ComponentModel;
using System.Drawing;
using System.Linq;
using System.Runtime.InteropServices;
using System.Windows.Forms;
using System.Threading;
using XenAdmin.Core;
using XenAdmin.Network;
using XenAPI;
using XenAdmin.Commands;
using XenAdmin.Dialogs;
using System.Collections.Generic;
namespace XenAdmin.ConsoleView
{
public partial class VNCTabView : UserControl
{
private static readonly string UseRDP = Messages.VNC_RDESKTOP;
private static readonly string enableRDP = Messages.VNC_RDESKTOP_TURN_ON;
// public only for the automated tests.
public static readonly string UseVNC = Messages.VNC_VIRTUAL_CONSOLE;
public static readonly string UseXVNC = Messages.VNC_X_CONSOLE;
private static readonly string UseStandardDesktop = Messages.VNC_DEFAULT_DESKTOP;
public const int INS_KEY_TIMEOUT = 500;
private static readonly log4net.ILog log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
private readonly XSVNCScreen vncScreen;
private readonly VNCView parentVNCView;
private readonly VM source;
private readonly Host targetHost;
private VM_guest_metrics guestMetrics = null;
private Form fullscreenForm = null;
private Form fullscreenHint = null;
private Size LastDesktopSize;
private bool switchOnTabOpened = false;
/// <summary>
/// Whether to ignore VNC resize events. We turn this on when changing
/// the scaling settings, because this in turn triggers a VNC resize.
/// </summary>
private bool ignoringResizes = false;
private bool ignoreScaleChange = false;
internal readonly ConsoleKeyHandler KeyHandler = new ConsoleKeyHandler();
private bool hasRDP { get { return source != null ? source.HasRDP : false; } }
private bool RDPEnabled { get { return source != null ? source.RDPEnabled : false; } }
private bool RDPControlEnabled { get { return source != null ? source.RDPControlEnabled : false; } }
public bool IsRDPControlEnabled() { return RDPControlEnabled; }
public VNCTabView(VNCView parent, VM source, string elevatedUsername, string elevatedPassword)
{
Program.AssertOnEventThread();
InitializeComponent();
HostLabel.Font = Program.HeaderGradientFont;
HostLabel.ForeColor = Program.HeaderGradientForeColor;
multipleDvdIsoList1.SetTextColor(Program.HeaderGradientForeColor);
#pragma warning disable 0219
// Force the handle to be created, because resize events
// could be fired before this component is placed on-screen.
IntPtr _ = Handle;
#pragma warning restore 0219
this.parentVNCView = parent;
this.scaleCheckBox.Checked = false;
this.source = source;
this.guestMetrics = source.Connection.Resolve(source.guest_metrics);
if (this.guestMetrics != null)
guestMetrics.PropertyChanged += guestMetrics_PropertyChanged;
log.DebugFormat("'{0}' console: Register Server_PropertyChanged event listener on {0}", this.source.Name);
this.source.PropertyChanged += Server_PropertyChanged;
Host_CollectionChangedWithInvoke = Program.ProgramInvokeHandler(Host_CollectionChanged);
VM_CollectionChangedWithInvoke = Program.ProgramInvokeHandler(VM_CollectionChanged);
source.Connection.Cache.RegisterCollectionChanged<VM>(VM_CollectionChangedWithInvoke);
if (source.is_control_domain)
{
Host host = source.Connection.Resolve(source.resident_on);
if (host != null)
{
log.DebugFormat("'{0}' console: Register Server_PropertyChanged event listener on {1}", this.source.Name, host.Name);
host.PropertyChanged += Server_PropertyChanged;
Host_metrics hostMetrics = source.Connection.Resolve(host.metrics);
if (hostMetrics != null)
{
log.DebugFormat("'{0}' console: Register Server_PropertyChanged event listener on host metrics", this.source.Name);
hostMetrics.PropertyChanged += Server_PropertyChanged;
}
HostLabel.Text = string.Format(Messages.CONSOLE_HOST, host.Name);
HostLabel.Visible = true;
}
}
else
{
source.Connection.Cache.RegisterCollectionChanged<Host>(Host_CollectionChangedWithInvoke);
targetHost = source.GetStorageHost(false);
foreach (Host cachedHost in source.Connection.Cache.Hosts)
{
log.DebugFormat("'{0}' console: Register Server_EnabledPropertyChanged event listener on {1}",
source.Name, cachedHost.Name);
cachedHost.PropertyChanged += Server_EnabledPropertyChanged;
}
HostLabel.Visible = false;
}
log.DebugFormat("'{0}' console: Update power state (on VNCTabView constructor)", this.source.Name);
updatePowerState();
this.vncScreen = new XSVNCScreen(source, new EventHandler(RDPorVNCResizeHandler), this, elevatedUsername, elevatedPassword);
ShowGpuWarningIfRequired();
if (source.is_control_domain || source.IsHVM && !hasRDP) //Linux HVM guests should only have one console: the console switch button vanishes altogether.
{
toggleConsoleButton.Visible = false;
}
else
{
toggleConsoleButton.Visible = true;
this.vncScreen.OnDetectRDP = this.OnDetectRDP;
this.vncScreen.OnDetectVNC = this.OnDetectVNC;
this.vncScreen.UserCancelledAuth += this.OnUserCancelledAuth;
}
LastDesktopSize = vncScreen.DesktopSize;
this.insKeyTimer = new System.Threading.Timer(new TimerCallback(notInsKeyPressed));
Properties.Settings.Default.PropertyChanged += Default_PropertyChanged;
registerShortCutKeys();
//
// Ctlr - Alt - Ins send Ctrl - Alt - Delete, and cancels and pending full screen.
//
KeyHandler.AddKeyHandler(ConsoleShortcutKey.CTRL_ALT_INS, cancelWaitForInsKeyAndSendCAD);
this.vncScreen.Parent = this.contentPanel;
this.vncScreen.Dock = DockStyle.Fill;
this.Dock = DockStyle.Fill;
string rdpLabel = GuessNativeConsoleLabel(source);
this.toggleConsoleButton.Text = rdpLabel;
UpdateFullScreenButton();
UpdateDockButton();
setupCD();
UpdateParentMinimumSize();
toggleConsoleButton.EnabledChanged += toggleConsoleButton_EnabledChanged;
}
//CA-75479 - add to aid debugging
private void toggleConsoleButton_EnabledChanged(object sender, EventArgs e)
{
ButtonBase button = sender as ButtonBase;
if(button == null)
return;
string format = "Console tab 'Switch to...' button disabled for VM '{0}'";
if (button.Enabled)
format = "Console tab 'Switch to...' button enabled for VM '{0}'";
log.DebugFormat(format, source == null ? "unknown/null" : source.name_label);
}
private void VM_CollectionChanged(object sender, CollectionChangeEventArgs e)
{
if (e.Action == CollectionChangeAction.Remove)
{
VM vm = e.Element as VM;
if (source != null && vm.uuid == source.uuid)
{
// the VM we are looking at has gone away. We should redock if necessary, otherwise it
// avoids the destroy (and re-create in the case of dom0) when the tab itself goes.
if (!parentVNCView.isDocked)
parentVNCView.DockUnDock();
}
}
}
private void Host_CollectionChanged(object sender, CollectionChangeEventArgs e)
{
if (source.is_control_domain)
return;
Host host = e.Element as Host;
if (host != null)
{
if (e.Action == CollectionChangeAction.Add)
{
log.DebugFormat("'{0}' console: Register Server_EnabledPropertyChanged event listener on {1}",
source.Name, host.Name);
host.PropertyChanged -= Server_EnabledPropertyChanged;
host.PropertyChanged += Server_EnabledPropertyChanged;
}
else if (e.Action == CollectionChangeAction.Remove)
{
log.DebugFormat("'{0}' console: Unregister Server_EnabledPropertyChanged event listener on {1}",
source.Name, host.Name);
host.PropertyChanged -= Server_EnabledPropertyChanged;
}
}
}
private void UnregisterEventListeners()
{
Properties.Settings.Default.PropertyChanged -= new PropertyChangedEventHandler(Default_PropertyChanged);
if (source == null)
return;
log.DebugFormat("'{0}' console: Unregister Server_PropertyChanged event listener on {0}", source.Name);
source.PropertyChanged -= new PropertyChangedEventHandler(Server_PropertyChanged);
source.Connection.Cache.DeregisterCollectionChanged<VM>(VM_CollectionChangedWithInvoke);
if (this.guestMetrics != null)
this.guestMetrics.PropertyChanged -= guestMetrics_PropertyChanged;
if (source.is_control_domain)
{
Host host = source.Connection.Resolve<Host>(source.resident_on);
if (host != null)
{
log.DebugFormat("'{0}' console: Unregister Server_PropertyChanged event listener on {1}",
source.Name, host.Name);
host.PropertyChanged -= Server_PropertyChanged;
Host_metrics hostMetrics = source.Connection.Resolve<Host_metrics>(host.metrics);
if (hostMetrics != null)
{
log.DebugFormat("'{0}' console: Unregister Server_PropertyChanged event listener on host metrics",
source.Name);
hostMetrics.PropertyChanged -= Server_PropertyChanged;
}
}
}
else
{
source.Connection.Cache.DeregisterCollectionChanged<Host>(Host_CollectionChangedWithInvoke);
foreach (Host cachedHost in source.Connection.Cache.Hosts)
{
log.DebugFormat("'{0}' console: Unregister Server_EnabledPropertyChanged event listener on {1}",
source.Name, cachedHost.Name);
cachedHost.PropertyChanged -= Server_EnabledPropertyChanged;
}
}
}
/// <summary>
/// Occurs when one of the properties in the preferences / options window changes.
/// </summary>
private void Default_PropertyChanged(object sender, PropertyChangedEventArgs e)
{
Program.Invoke(this, delegate
{
deregisterShortCutKeys();
registerShortCutKeys();
UpdateParentMinimumSize();
});
}
internal void UpdateParentMinimumSize()
{
if (Parent != null)
{
int[] bottomTableWidths = tableLayoutPanel1.GetColumnWidths();
int bottomPanelWidth = bottomTableWidths.Where((t, i) => tableLayoutPanel1.ColumnStyles[i].SizeType != SizeType.Percent).Sum();
Parent.MinimumSize = new Size(bottomPanelWidth + 20, 400);
}
}
private void registerShortCutKeys()
{
Program.AssertOnEventThread();
if (vncScreen == null)
return;
if (Properties.Settings.Default.FullScreenShortcutKey == 0)
{
// Ctrl + Alt
KeyHandler.AddKeyHandler(ConsoleShortcutKey.CTRL_ALT, waitForInsKey);
}
else if (Properties.Settings.Default.FullScreenShortcutKey == 1)
{
// Ctrl + Alt + F
KeyHandler.AddKeyHandler(ConsoleShortcutKey.CTRL_ALT_F, toggleFullscreen);
}
else if (Properties.Settings.Default.FullScreenShortcutKey == 2)
{
// F12
KeyHandler.AddKeyHandler(ConsoleShortcutKey.F12, toggleFullscreen);
}
else if (Properties.Settings.Default.FullScreenShortcutKey == 3)
{
// Ctrl + Enter
KeyHandler.AddKeyHandler(ConsoleShortcutKey.CTRL_ENTER, toggleFullscreen);
}
UpdateFullScreenButton();
// CA-10943
if (Properties.Settings.Default.DockShortcutKey == 1)
{
// Alt + Shift + U
KeyHandler.AddKeyHandler(ConsoleShortcutKey.ALT_SHIFT_U, toggleDockUnDock);}
else if (Properties.Settings.Default.DockShortcutKey == 2)
{
// F11
KeyHandler.AddKeyHandler(ConsoleShortcutKey.F11, toggleDockUnDock);
}
else if (Properties.Settings.Default.DockShortcutKey == 0)
{
// <none>
KeyHandler.RemoveKeyHandler(ConsoleShortcutKey.ALT_SHIFT_U);
KeyHandler.RemoveKeyHandler(ConsoleShortcutKey.F11);
}
UpdateDockButton();
// Uncapture keyboard and mouse Key
if (Properties.Settings.Default.UncaptureShortcutKey == 0)
{
// Right Ctrl
KeyHandler.AddKeyHandler(ConsoleShortcutKey.RIGHT_CTRL, ToogleConsoleFocus);
}
else if (Properties.Settings.Default.UncaptureShortcutKey == 1)
{
// Left Alt
KeyHandler.AddKeyHandler(ConsoleShortcutKey.LEFT_ALT, ToogleConsoleFocus);
}
}
private void deregisterShortCutKeys()
{
Program.AssertOnEventThread();
if (vncScreen == null)
return;
if (Properties.Settings.Default.FullScreenShortcutKey != 0)
{
// Ctrl + Alt
KeyHandler.RemoveKeyHandler(ConsoleShortcutKey.CTRL_ALT);
}
if (Properties.Settings.Default.FullScreenShortcutKey != 1)
{
// Ctrl + Alt + F
KeyHandler.RemoveKeyHandler(ConsoleShortcutKey.CTRL_ALT_F);
}
if (Properties.Settings.Default.FullScreenShortcutKey != 2)
{
// F12
KeyHandler.RemoveKeyHandler(ConsoleShortcutKey.F12);
}
if (Properties.Settings.Default.FullScreenShortcutKey != 3)
{
// Ctrl + Enter
KeyHandler.RemoveKeyHandler(ConsoleShortcutKey.CTRL_ENTER);
}
if (Properties.Settings.Default.DockShortcutKey != 1)
{
// Alt + Shift + U
KeyHandler.RemoveKeyHandler(ConsoleShortcutKey.ALT_SHIFT_U);
}
if (Properties.Settings.Default.DockShortcutKey != 2)
{
// F11
KeyHandler.RemoveKeyHandler(ConsoleShortcutKey.F11);
}
// Uncapture keyboard and mouse Key
if (Properties.Settings.Default.UncaptureShortcutKey != 0)
{
// Right Ctrl
KeyHandler.RemoveKeyHandler(ConsoleShortcutKey.RIGHT_CTRL);
}
if (Properties.Settings.Default.UncaptureShortcutKey != 1)
{
// Left Alt
KeyHandler.RemoveKeyHandler(ConsoleShortcutKey.LEFT_ALT);
}
}
public void UpdateDockButton()
{
dockButton.Text = parentVNCView.isDocked ? Messages.VNC_UNDOCK : Messages.VNC_REDOCK;
if (Properties.Settings.Default.DockShortcutKey == 1)
{
dockButton.Text += Messages.VNC_DOCK_ALT_SHIFT_U;
}
else if (Properties.Settings.Default.DockShortcutKey == 2)
{
dockButton.Text += Messages.VNC_DOCK_F11;
}
dockButton.Image = parentVNCView.isDocked ? Properties.Resources.detach_24 : Properties.Resources.attach_24;
}
public void UpdateFullScreenButton()
{
switch (Properties.Settings.Default.FullScreenShortcutKey)
{
case 0:
fullscreenButton.Text = Messages.VNC_FULLSCREEN_CTRL_ALT;
break;
case 1:
fullscreenButton.Text = Messages.VNC_FULLSCREEN_CTRL_ALT_F;
break;
case 2:
fullscreenButton.Text = Messages.VNC_FULLSCREEN_F12;
break;
default:
fullscreenButton.Text = Messages.VNC_FULLSCREEN_CTRL_ENTER;
break;
}
}
private void Server_PropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == "power_state"
|| e.PropertyName == "live"
|| e.PropertyName == "allowed_operations")
{
log.DebugFormat("'{0}' console: Update power state, after receiving property change notification, PropertyName='{1}'", sender.ToString(), e.PropertyName);
updatePowerState();
}
else if (e.PropertyName == "VBDs")
{
//The CD device may have changed
Program.Invoke(this, setupCD);
}
else if (e.PropertyName == "guest_metrics")
{
var newGuestMetrics = source.Connection.Resolve(source.guest_metrics);
//unsubscribing from the previous instance's event
if (this.guestMetrics != null)
this.guestMetrics.PropertyChanged -= guestMetrics_PropertyChanged;
this.guestMetrics = newGuestMetrics;
if (this.guestMetrics != null)
guestMetrics.PropertyChanged += guestMetrics_PropertyChanged;
EnableRDPIfCapable();
}
if (source.is_control_domain && e.PropertyName == "name_label")
{
HostLabel.Text = string.Format(Messages.CONSOLE_HOST, source.AffinityServerString);
if (parentVNCView != null && parentVNCView.undockedForm != null)
parentVNCView.undockedForm.Text = source.AffinityServerString;
}
}
private void guestMetrics_PropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == "other")
{
if (RDPEnabled)
{// If current connection is VNC, will enable RDP connection as following conditions:
// 1. Click "Turn on RDP which cause tryToConnectRDP = true"
// 2. RDP status changed by turned on RDP in-guest and with "Automatically switch to the Remote
// Desktop console when it becomes available" is on. But if user already choose connection type by click "Turn on/Switch to Remote Desktop"
// or "Switch to Default desktop", we will take AutoSwitchToRDP as no effect
if (vncScreen.UseVNC && (tryToConnectRDP || (!vncScreen.UserWantsToSwitchProtocol && Properties.Settings.Default.AutoSwitchToRDP)))
{
tryToConnectRDP = false;
ThreadPool.QueueUserWorkItem(TryToConnectRDP);
}
}
else
EnableRDPIfCapable();
UpdateButtons();
}
}
private void EnableRDPIfCapable()
{
if (!toggleConsoleButton.Visible && hasRDP)
{
// The toogle button is not visible now, because RDP had not been enabled on the VM when we started the console.
// However, the current guest_metrics indicates that RDP is now supported (HasRDP==true). (eg. XenTools has been installed in the meantime.)
// This means that now we should show and enable the toogle RDP button and start polling (if allowed) RDP as well.
log.DebugFormat( "'{0}' console: Enabling RDP button, because RDP capability has appeared.", source);
if (Properties.Settings.Default.EnableRDPPolling)
{
log.DebugFormat("'{0}' console: Starting RDP polling. (RDP polling is enabled in settings.)", source);
toggleConsoleButton.Visible = true;
if(Helpers.CreamOrGreater(source.Connection) && RDPControlEnabled)
toggleConsoleButton.Enabled = true;
else
toggleConsoleButton.Enabled = false;
ThreadPool.QueueUserWorkItem(TryToConnectRDP);
}
else
{
log.DebugFormat("'{0}' console: Not starting polling. (RDP polling is diabled in settings.)", source);
toggleConsoleButton.Visible = true;
toggleConsoleButton.Enabled = true;
}
}
}
private void Server_EnabledPropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName != "enabled" || source.is_control_domain)
return;
Host host = sender as Host;
if (host == null)
return;
if (targetHost == null || targetHost.Equals(host))
{
log.DebugFormat(
"'{0}' console: Update power state, after receiving property change notification, PropertyName='{1}'",
sender.ToString(), e.PropertyName);
updatePowerState();
}
}
public void setupCD()
{
multipleDvdIsoList1.VM = source;
}
private void cdLabel_Click(object sender, EventArgs e)
{
new InstallToolsCommand(Program.MainWindow, source, this).Execute();
}
private void updatePowerState()
{
if (source.is_control_domain)
{
Host host = source.Connection.Resolve<Host>(source.resident_on);
if (host == null)
return;
Host_metrics hostMetrics = source.Connection.Resolve<Host_metrics>(host.metrics);
if (hostMetrics == null)
return;
if (hostMetrics.live)
{
Program.Invoke(this, showTopBarContents);
}
else
{
Program.Invoke(this, hideTopBarContents);
}
}
else
{
switch (source.power_state)
{
case vm_power_state.Halted:
case vm_power_state.Paused:
case vm_power_state.Suspended:
Program.Invoke(this, hideTopBarContents);
break;
case vm_power_state.Running:
Program.Invoke(this, showTopBarContents);
Program.Invoke(this, maybeEnableButton);
break;
}
}
}
/// <summary>
/// CA-8966: No way to get from graphical to text console if vm's networking is broken on startup
/// </summary>
private void maybeEnableButton()
{
if (vncScreen != null && (!vncScreen.UseVNC || !vncScreen.UseSource))
{
toggleConsoleButton.Enabled = true;
}
}
private void EnablePowerStateLabel(String label)
{
powerStateLabel.Enabled = true;
powerStateLabel.Text = label;
powerStateLabel.Cursor = Cursors.Hand;
}
private void DisablePowerStateLabel(String label)
{
powerStateLabel.Enabled = false;
powerStateLabel.Text = label;
powerStateLabel.Cursor = Cursors.Default;
}
private void hideTopBarContents()
{
VMPowerOff();
if (source.is_control_domain)
{
log.DebugFormat("'{0}' console: Hide top bar contents, server is unavailable", source.Name);
DisablePowerStateLabel(Messages.CONSOLE_HOST_DEAD);
}
else
{
log.DebugFormat("'{0}' console: Hide top bar contents, powerstate='{1}'", source.Name, vm_power_state_helper.ToString(source.power_state));
if (source.power_state == vm_power_state.Halted)
{
if (source.allowed_operations.Contains(vm_operations.start) &&
Helpers.EnabledTargetExists(targetHost, source.Connection))
{
EnablePowerStateLabel(Messages.CONSOLE_POWER_STATE_HALTED_START);
}
else
{
DisablePowerStateLabel(Messages.CONSOLE_POWER_STATE_HALTED);
}
}
else if (source.power_state == vm_power_state.Paused)
{
if (source.allowed_operations.Contains(vm_operations.unpause))
{
//EnablePowerStateLabel(Messages.CONSOLE_POWER_STATE_PAUSED_UNPAUSE);
// CA-12637: Pause/UnPause is not supported in the GUI. Comment out
// the EnablePowerStateLabel because it gives the appearance that we
// support unpause via the GUI.
DisablePowerStateLabel(Messages.CONSOLE_POWER_STATE_PAUSED);
}
else
{
DisablePowerStateLabel(Messages.CONSOLE_POWER_STATE_PAUSED);
}
}
else if (source.power_state == vm_power_state.Suspended)
{
if (source.allowed_operations.Contains(vm_operations.resume) &&
Helpers.EnabledTargetExists(targetHost, source.Connection))
{
EnablePowerStateLabel(Messages.CONSOLE_POWER_STATE_SUSPENDED_RESUME);
}
else
{
DisablePowerStateLabel(Messages.CONSOLE_POWER_STATE_SUSPENDED);
}
}
}
powerStateLabel.Show();
}
private void showTopBarContents()
{
log.DebugFormat("'{0}' console: Show top bar contents, source is running", source.Name);
Program.AssertOnEventThread();
VMPowerOn();
powerStateLabel.Hide();
}
private void powerStateLabel_Click(object sender, EventArgs e)
{
if (!powerStateLabel.Enabled)
{
return;
}
switch (source.power_state)
{
case vm_power_state.Halted:
DisablePowerStateLabel(Messages.CONSOLE_POWER_STATE_HALTED);
if (source.allowed_operations.Contains(vm_operations.start))
{
DisablePowerStateLabel(powerStateLabel.Text);
new StartVMCommand(Program.MainWindow, source).Execute();
}
break;
case vm_power_state.Paused:
DisablePowerStateLabel(Messages.CONSOLE_POWER_STATE_PAUSED);
//if(source.allowed_operations.Contains(vm_operations.unpause))
// new Actions.VmAction(source.Connection, VmActionKind.UnpauseActiveView, source, null).RunAsync();
break;
case vm_power_state.Suspended:
DisablePowerStateLabel(Messages.CONSOLE_POWER_STATE_SUSPENDED);
if (source.allowed_operations.Contains(vm_operations.resume))
{
DisablePowerStateLabel(powerStateLabel.Text);
new ResumeVMCommand(Program.MainWindow, source).Execute();
}
break;
}
}
public bool isPaused
{
get
{
if (vncScreen != null && !isFullscreen)
return vncScreen.wasPaused;
else
return false;
}
}
public void Pause()
{
if (vncScreen != null && !isFullscreen)
vncScreen.Pause();
}
public void Unpause()
{
if (vncScreen != null)
vncScreen.Unpause();
}
private bool CanEnableRDPOnCreamOrGreater(IXenConnection conn)
{
return (RDPControlEnabled && !RDPEnabled && Helpers.CreamOrGreater(conn));
}
// Make the 'enable RDP' button show something sensible if we can...
private string GuessNativeConsoleLabel(VM source)
{
string label = Messages.VNC_LOOKING;
if (source == null)
return label;
XenRef<VM_guest_metrics> gm = source.guest_metrics;
if (gm == null)
return label;
if (Program.MainWindow.SelectionManager.Selection.GetConnectionOfFirstItem() == null)
return label;
VM_guest_metrics gmo = Program.MainWindow.SelectionManager.Selection.GetConnectionOfFirstItem().Resolve<VM_guest_metrics>(gm);
if (gmo == null)
return label;
if (gmo != null && gmo.os_version != null)
{
if (gmo.os_version.ContainsKey("name"))
{
string osString = gmo.os_version["name"];
if (osString != null)
{
if (osString.Contains("Microsoft"))
label = (CanEnableRDPOnCreamOrGreater(source.Connection)) ? enableRDP : UseRDP;
else
label = UseXVNC;
}
}
}
return label;
}
private void RDPorVNCResizeHandler(object sender, EventArgs e)
{
Program.AssertOnEventThread();
if (vncScreen == null)
return; // This is the first event when vncScreen is created.
VNCResizeHandler_();
}
private void VNCResizeHandler_()
{
if (!ignoringResizes &&
DesktopSizeHasChanged() &&
!scaleCheckBox.Checked)
{
MaybeScale();
}
}
public void MaybeScale()
{
Program.AssertOnEventThread();
if (vncScreen.DesktopSize.Width > 10 &&
contentPanel.Width < vncScreen.DesktopSize.Width)
{
if (!Properties.Settings.Default.PreserveScaleWhenSwitchBackToVNC)
{
scaleCheckBox.Checked = true;
}
else
{
scaleCheckBox.Checked = oldScaleValue || firstTime;
firstTime = false;
}
}
else if (Properties.Settings.Default.PreserveScaleWhenSwitchBackToVNC)
{
scaleCheckBox.Checked = oldScaleValue;
}
scaleCheckBox_CheckedChanged(null, null);
}
private bool DesktopSizeHasChanged()
{
if (!LastDesktopSize.Equals(vncScreen.DesktopSize))
{
LastDesktopSize = vncScreen.DesktopSize;
return true;
}
else
{
return false;
}
}
public Size GrowToFit()
{
Program.AssertOnEventThread();
ignoringResizes = true;
try
{
scaleCheckBox.Checked = false;
Size working_area = Screen.FromControl(this).WorkingArea.Size;
if (vncScreen.DesktopSize.Width > 10 &&
vncScreen.DesktopSize.Width < working_area.Width &&
vncScreen.DesktopSize.Height < working_area.Height)
{
int twoTimeBorderPadding = VNCGraphicsClient.BORDER_PADDING * 2;
return new Size(vncScreen.DesktopSize.Width + twoTimeBorderPadding,
vncScreen.DesktopSize.Height + buttonPanel.Height + bottomPanel.Height + twoTimeBorderPadding);
}
else
{
scaleCheckBox.Checked = true;
return new Size((working_area.Width * 2) / 3, (working_area.Height * 2) / 3);
}
}
finally
{
ignoringResizes = false;
}
}
private void scaleCheckBox_CheckedChanged(object sender, EventArgs e)
{
if (ignoreScaleChange)
return;
try
{
ignoringResizes = true;
this.vncScreen.Scaling = this.scaleCheckBox.Checked;
}
finally
{
ignoringResizes = false;
}
FocusVNC();
}
private void sendCAD_Click(object sender, EventArgs e)
{
this.vncScreen.SendCAD();
FocusVNC();
}
private void dockButton_Click(object sender, EventArgs e)
{
if (isFullscreen)
return;
this.parentVNCView.DockUnDock();
}
private void fullscreenButton_Click(object sender, EventArgs e)
{
toggleFullscreen();
}
private System.Threading.Timer insKeyTimer;
private void waitForInsKey()
{
lock (this.insKeyTimer)
{
this.insKeyTimer.Change(INS_KEY_TIMEOUT, System.Threading.Timeout.Infinite);
}
}
private void cancelWaitForInsKeyAndSendCAD()
{
lock (this.insKeyTimer)
{
// We have seen the INS key, so lets cancel the timer and send CAD
this.insKeyTimer.Change(System.Threading.Timeout.Infinite, System.Threading.Timeout.Infinite);
this.vncScreen.SendCAD();
}
}
private void notInsKeyPressed(Object o)
{
Program.AssertOffEventThread();
Program.Invoke(this, delegate()
{
lock (this.insKeyTimer)
{
// We have not seen the INS key, so lets toggleFullscreen and cancel the timer
this.toggleFullscreen();
this.insKeyTimer.Change(System.Threading.Timeout.Infinite, System.Threading.Timeout.Infinite);
}
});
}
private bool isFullscreen
{
get
{
return fullscreenForm != null;
}
}
// CA-10943
private bool inToggleDockUnDock = false;
private void toggleDockUnDock()
{
Program.AssertOnEventThread();
if (inToggleDockUnDock)
return;
inToggleDockUnDock = true;
dockButton_Click(null, null);
inToggleDockUnDock = false;
}
private bool inToggleFullscreen = false;
private void toggleFullscreen()
{
Program.AssertOnEventThread();
if (inToggleFullscreen)
return;
inToggleFullscreen = true;
if (!isFullscreen)
{
if (vncScreen.showConnectionBar)
fullscreenForm = new XenAdmin.Controls.ConsoleTab.FullScreenForm(vncScreen);
else
fullscreenForm = new Form();
fullscreenForm.ShowIcon = false;
fullscreenForm.ShowInTaskbar = false;
fullscreenForm.FormBorderStyle = FormBorderStyle.None;
fullscreenForm.FormClosing += new FormClosingEventHandler(
delegate(Object o, FormClosingEventArgs a)
{
toggleFullscreen();
});
//fullscreenForm.Deactivate += new EventHandler(
// delegate(Object o, EventArgs e)
// {
// toggleFullscreen();
// });
if (source != null && source.Connection != null)
source.Connection.BeforeConnectionEnd += Connection_BeforeConnectionEnd;
vncScreen.Parent = fullscreenForm is Controls.ConsoleTab.FullScreenForm
? (Control) ((Controls.ConsoleTab.FullScreenForm) fullscreenForm).contentPanel
: fullscreenForm;
vncScreen.DisplayFocusRectangle = false;
Screen screen = Screen.FromControl(this);
fullscreenForm.StartPosition = FormStartPosition.Manual;
fullscreenForm.Location = screen.WorkingArea.Location;
fullscreenForm.Size = screen.Bounds.Size;
fullscreenHint = new Controls.ConsoleTab.FullScreenHint(GetFullScreenMessage());
fullscreenHint.Show(fullscreenForm);
fullscreenForm.Show();
FocusVNC();
vncScreen.CaptureKeyboardAndMouse();
}
else
{
if (source != null && source.Connection != null)
source.Connection.BeforeConnectionEnd -= Connection_BeforeConnectionEnd;
vncScreen.Parent = this.contentPanel;
vncScreen.DisplayFocusRectangle = true;
FocusVNC();
vncScreen.CaptureKeyboardAndMouse();
fullscreenForm.Hide();
fullscreenForm.Dispose();
fullscreenForm = null;
}
//Everytime we toggle full screen I'm going to force an unpause to make sure we don't acidentally undock / dock a pause VNC
vncScreen.Unpause();
inToggleFullscreen = false;
// CA-30477: This refresh stops a scroll bar being painted on the fullscreen form under vista
if (fullscreenForm != null)
fullscreenForm.Refresh();
}
string GetFullScreenMessage()
{
switch (Properties.Settings.Default.FullScreenShortcutKey)
{
case 0:
return Messages.VNC_FULLSCREEN_MESSAGE_CTRL_ALT;
case 1:
return Messages.VNC_FULLSCREEN_MESSAGE_CTRL_ALT_F;
case 2:
return Messages.VNC_FULLSCREEN_MESSAGE_F12;
default:
return Messages.VNC_FULLSCREEN_MESSAGE_CTRL_ENTER;
}
}
void Connection_BeforeConnectionEnd(object sender, EventArgs e)
{
Program.Invoke(this, toggleFullscreen);
}
private const bool RDP = true;
private const bool XVNC = false;
private bool toggleToXVNCorRDP = RDP;
public void DisableToggleVNCButton()
{
Program.AssertOnEventThread();
toggleConsoleButton.Enabled = false;
}
public void EnableToggleVNCButton()
{
Program.AssertOnEventThread();
toggleConsoleButton.Enabled = true;
}
private void OnDetectRDP()
{
Program.Invoke(this, OnDetectRDP_);
}
private void OnDetectRDP_()
{
try
{
log.DebugFormat("RDP detected for VM '{0}'", source == null ? "unknown/null" : source.name_label);
this.toggleToXVNCorRDP = RDP;
if (vncScreen.UseVNC)
if (CanEnableRDPOnCreamOrGreater(source.Connection))
this.toggleConsoleButton.Text = enableRDP;
else
this.toggleConsoleButton.Text = UseRDP;
this.toggleConsoleButton.Enabled = true;
tip.SetToolTip(this.toggleConsoleButton, null);
if (!vncScreen.UserWantsToSwitchProtocol&& Properties.Settings.Default.AutoSwitchToRDP)
{
if (Program.MainWindow.TheTabControl.SelectedTab == Program.MainWindow.TabPageConsole)
toggleConsoleButton_Click(null, null);
else
switchOnTabOpened = true;
}
}
catch (InvalidOperationException exn)
{
log.Warn(exn, exn);
}
}
private void OnDetectVNC()
{
Program.Invoke(this, OnDetectVNC_);
}
private void OnDetectVNC_()
{
try
{
log.DebugFormat("VNC detected for VM '{0}'", source == null ? "unknown/null" : source.name_label);
this.toggleToXVNCorRDP = XVNC;
this.toggleConsoleButton.Text = vncScreen.UseSource ? UseXVNC : UseVNC;
this.toggleConsoleButton.Enabled = true;
tip.SetToolTip(this.toggleConsoleButton, null);
}
catch (InvalidOperationException exn)
{
log.Warn(exn, exn);
}
}
private bool firstTime = true;
private bool oldScaleValue = false;
private bool tryToConnectRDP = false; // This parameter will be set after click "TURN ON Rremote Desktop" and will connect RDP when RDP status changed.
/// <summary>
/// Switch between graphical and text consoles.
/// </summary>
private void toggleConsoleButton_Click(object sender, EventArgs e)
{
bool rdp = (toggleToXVNCorRDP == RDP);
try
{
if (rdp)
{
if (vncScreen.UseVNC)
oldScaleValue = scaleCheckBox.Checked;
vncScreen.UseVNC = !vncScreen.UseVNC;
vncScreen.UserWantsToSwitchProtocol = true;
if (CanEnableRDPOnCreamOrGreater(source.Connection))
{
ThreeButtonDialog d = new ThreeButtonDialog(
new ThreeButtonDialog.Details(System.Drawing.SystemIcons.Question, Messages.FORCE_ENABLE_RDP),
"EnableRDPonVM",
new ThreeButtonDialog.TBDButton(Messages.YES, DialogResult.Yes),
new ThreeButtonDialog.TBDButton(Messages.NO, DialogResult.No));
if (d.ShowDialog(Program.MainWindow) == DialogResult.Yes)
{
Session session = source.Connection.DuplicateSession();
Dictionary<string, string> _arguments = new Dictionary<string, string>();
XenAPI.VM.call_plugin(session, source.opaque_ref, "guest-agent-operation", "request-rdp-on", _arguments);
tryToConnectRDP = true;
}
}
if (vncScreen.rdpIP == null && vncScreen.UseVNC && Properties.Settings.Default.EnableRDPPolling && (!(Helpers.CreamOrGreater(source.Connection) && RDPControlEnabled) || tryToConnectRDP))
{
toggleConsoleButton.Enabled = false;
}
else
{
if (vncScreen.rdpIP == null) // disable toggleConsoleButton; it will be re-enabled in TryToConnectRDP() when rdp port polling is complete (CA-102755)
toggleConsoleButton.Enabled = false;
ThreadPool.QueueUserWorkItem(TryToConnectRDP);
}
}
else
{
oldScaleValue = scaleCheckBox.Checked;
vncScreen.UseSource = !vncScreen.UseSource;
if (vncScreen.vncIP == null && vncScreen.UseSource && Properties.Settings.Default.EnableRDPPolling)
{
toggleConsoleButton.Enabled = false;
}
}
Unpause();
UpdateButtons();
}
catch(COMException ex)
{
log.DebugFormat("Disabling toggle-console button as COM related exception thrown: {0}", ex.Message);
toggleConsoleButton.Enabled = false;
}
}
private void UpdateButtons()
{
bool rdp = (toggleToXVNCorRDP == RDP);
if (rdp)
toggleConsoleButton.Text = vncScreen.UseVNC ? (CanEnableRDPOnCreamOrGreater(source.Connection) ? enableRDP : UseRDP) : UseStandardDesktop;
else
toggleConsoleButton.Text = vncScreen.UseSource ? UseXVNC : UseVNC;
scaleCheckBox.Visible = !rdp || vncScreen.UseVNC;
sendCAD.Enabled = !rdp || vncScreen.UseVNC;
FocusVNC();
ignoreScaleChange = true;
if (!Properties.Settings.Default.PreserveScaleWhenSwitchBackToVNC)
{
scaleCheckBox.Checked = false;
}
ignoreScaleChange = false;
scaleCheckBox_CheckedChanged(null, null); // make sure scale setting is now correct: CA-84324
}
private void TryToConnectRDP(object x)
{
bool hasToReconnect = vncScreen.rdpIP == null;
vncScreen.rdpIP = vncScreen.PollPort(XSVNCScreen.RDP_PORT, true);
Program.Invoke(this, (MethodInvoker)(() =>
{
if (hasToReconnect)
{
vncScreen.UseVNC = true;
vncScreen.UseVNC = false;
}
Unpause();
UpdateButtons();
toggleConsoleButton.Enabled = true; // make sure the toggleConsoleButton is enabled after rdp port polling (CA-102755)
}));
}
/// <summary>
/// Called when the user cancelled VNC authentication.
/// </summary>
private void OnUserCancelledAuth(object sender, EventArgs e)
{
// Switch back to the text console
toggleConsoleButton_Click(null, null);
}
protected override void OnGotFocus(EventArgs e)
{
base.OnGotFocus(e);
FocusVNC();
}
internal void SendCAD()
{
if (this.vncScreen != null)
this.vncScreen.SendCAD();
}
internal void focus_vnc()
{
if (this.vncScreen != null)
FocusVNC();
}
// Focus the VNC screen, as long as we're in the right place at the moment.
// Otherwise ignore the request to focus or it will steal the keyboard from
// the rightful owner: see CA-41120.
private void FocusVNC()
{
if (Program.MainWindow.ContainsFocus && Program.MainWindow.TheTabControl.SelectedTab == Program.MainWindow.TabPageConsole)
vncScreen.Focus();
}
internal void VMPowerOff()
{
toggleConsoleButton.Enabled = false;
VBD cddrive = source.FindVMCDROM();
bool allowEject = cddrive != null ? cddrive.allowed_operations.Contains(vbd_operations.eject) : false;
bool allowInsert = cddrive != null ? cddrive.allowed_operations.Contains(vbd_operations.insert) : false;
multipleDvdIsoList1.Enabled = (source.power_state == vm_power_state.Halted) && (allowEject || allowInsert);
sendCAD.Enabled = false;
}
internal void VMPowerOn()
{
//No need to reenable toggleConsoleButton, polling will do it.
multipleDvdIsoList1.Enabled = true;
sendCAD.Enabled = true;
}
internal void RdpDisconnectedHandler(object sender, EventArgs e)
{
Program.AssertOnEventThread();
if (vncScreen == null)
return; // This is the first event when vncScreen is created.
rdpDisconnected();
}
private void rdpDisconnected()
{
if (!vncScreen.UseVNC)
toggleConsoleButton_Click(null, null);
toggleConsoleButton.Enabled = false;
vncScreen.imediatelyPollForConsole();
}
internal void SwitchIfRequired()
{
if (switchOnTabOpened)
{
toggleConsoleButton_Click(null, null);
switchOnTabOpened = false;
}
}
bool droppedDown = false;
private readonly CollectionChangeEventHandler Host_CollectionChangedWithInvoke;
private readonly CollectionChangeEventHandler VM_CollectionChangedWithInvoke;
private void LifeCycleButton_MouseClick(object sender, EventArgs e)
{
if (droppedDown)
{
LifeCycleMenuStrip.Hide();
return;
}
if (source == null)
{
return;
}
Host host = source.Connection.Resolve<Host>(source.resident_on);
if (host == null)
{
return;
}
ContextMenuItemCollection contextMenuItems = new ContextMenuItemCollection();
if (source.is_control_domain)
{
// We're looking at the host console
if (host.Connection.IsConnected)
{
contextMenuItems.Add(new ShutDownHostCommand(Program.MainWindow, host, this));
contextMenuItems.Add(new RebootHostCommand(Program.MainWindow, host, this));
}
}
else
{
contextMenuItems.AddIfEnabled(new ShutDownVMCommand(Program.MainWindow, source, this));
contextMenuItems.AddIfEnabled(new RebootVMCommand(Program.MainWindow, source, this));
contextMenuItems.AddIfEnabled(new SuspendVMCommand(Program.MainWindow, source, this));
contextMenuItems.AddIfEnabled(new InstallToolsCommand(Program.MainWindow, source, this));
contextMenuItems.AddIfEnabled(new ForceVMShutDownCommand(Program.MainWindow, source, this));
contextMenuItems.AddIfEnabled(new ForceVMRebootCommand(Program.MainWindow, source, this));
}
LifeCycleMenuStrip.Items.Clear();
LifeCycleMenuStrip.Items.AddRange(contextMenuItems.ToArray());
LifeCycleMenuStrip.Show(pictureBox1, pictureBox1.Left, pictureBox1.Bottom);
}
public void showHeaderBar(bool showHeaderBar, bool showLifecycleIcon)
{
panel2.Visible = showHeaderBar;
pictureBox1.Visible = showLifecycleIcon;
}
private void pictureBox1_MouseEnter(object sender, EventArgs e)
{
pictureBox1.Image = Properties.Resources.lifecycle_hot;
}
private void pictureBox1_MouseLeave(object sender, EventArgs e)
{
if (droppedDown)
pictureBox1.Image = Properties.Resources.lifecycle_pressed;
else
pictureBox1.Image = Properties.Resources._001_LifeCycle_h32bit_24;
}
private void pictureBox1_MouseDown(object sender, MouseEventArgs e)
{
pictureBox1.Image = Properties.Resources.lifecycle_pressed;
}
private void pictureBox1_MouseUp(object sender, MouseEventArgs e)
{
if (droppedDown)
pictureBox1.Image = Properties.Resources.lifecycle_pressed;
else
pictureBox1.Image = Properties.Resources.lifecycle_hot;
}
private void LifeCycleMenuStrip_Opened(object sender, EventArgs e)
{
droppedDown = true;
}
private void LifeCycleMenuStrip_Closing(object sender, ToolStripDropDownClosingEventArgs e)
{
if (e.CloseReason != ToolStripDropDownCloseReason.AppClicked || !pictureBox1.ClientRectangle.Contains(this.PointToClient(MousePosition)))
{
droppedDown = false;
pictureBox1.Image = Properties.Resources._001_LifeCycle_h32bit_24;
}
else
{
e.Cancel = true;
}
}
internal Image Snapshot()
{
if (vncScreen != null)
{
return vncScreen.Snapshot();
}
return null;
}
private bool inToogleConsoleFocus = false;
private void ToogleConsoleFocus()
{
Program.AssertOnEventThread();
if (inToogleConsoleFocus)
return;
inToogleConsoleFocus = true;
if (vncScreen.Focused && vncScreen.ActiveControl == null)
vncScreen.CaptureKeyboardAndMouse(); // focus console
else
{
vncScreen.UncaptureKeyboardAndMouse(); // defocus console
vncScreen.Refresh();
}
inToogleConsoleFocus = false;
}
internal void ShowGpuWarningIfRequired()
{
dedicatedGpuWarning.Visible = vncScreen != null && (vncScreen.UseVNC || string.IsNullOrEmpty(vncScreen.rdpIP)) &&
vncScreen.Source.HasGPUPassthrough && vncScreen.Source.power_state == vm_power_state.Running;
}
internal bool IsVNC
{
get { return vncScreen.UseVNC; }
}
}
}
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