internal Image Snapshot(VM vm, string elevatedUsername, string elevatedPassword)
{
Program.AssertOffEventThread();
VNCView view = null;
bool useElevatedCredentials = false;
if (!vncViews.ContainsKey(vm))
{
Program.Invoke(this, delegate
{
// use elevated credentials, if provided, to create a vncView (CA-91132)
useElevatedCredentials = !String.IsNullOrEmpty(elevatedUsername) && !String.IsNullOrEmpty(elevatedPassword);
if (useElevatedCredentials)
{
view = new VNCView(vm, elevatedUsername, elevatedPassword)
{
Dock = DockStyle.Fill
}
}
;
else
{
setCurrentSource(vm);
if (vncViews.ContainsKey(vm))
{
view = vncViews[vm];
}
}
});
public bool isVNCPausedForSource(VM source)
{
Program.AssertOnEventThread();
VNCView vncView = null;
if (vncViews.ContainsKey(source))
{
vncView = vncViews[source];
return(vncView.isPaused);
}
return(false);
}
internal void setCurrentSource(VM source)
{
Program.AssertOnEventThread();
// activeVNCView is going to change, so the current activeVNCView will become inactive
// Start a timer for closing the inactive VNC connection after an interval (20 seconds)
StartCloseVNCTimer(activeVNCView);
this.Controls.Clear();
if (source == null)
{
activeVNCView = null;
return;
}
List <Role> allowedRoles = null;
if (RbacDenied(source, out allowedRoles))
{
lableRbacWarning.Text = String.Format(allowedRoles.Count == 1 ? Messages.RBAC_CONSOLE_WARNING_ONE : Messages.RBAC_CONSOLE_WARNING_MANY,
Role.FriendlyCSVRoleList(source.Connection.Session.Roles),
Role.FriendlyCSVRoleList(allowedRoles));
this.Controls.Add(RbacWarningPanel);
if (activeVNCView != null)
{
this.Controls.Remove(activeVNCView);
}
return;
}
activeVMConsoles.Remove(source);
activeVMConsoles.Add(source);
StopCloseVncTimer(source);
while (activeVMConsoles.Count > MAX_ACTIVE_VM_CONSOLES)
{
closeVNCForSource(activeVMConsoles[0]);
}
if (vncViews.ContainsKey(source))
{
activeVNCView = vncViews[source];
}
else
{
activeVNCView = new VNCView(source, null, null);
vncViews[source] = activeVNCView;
}
activeVNCView.refreshIsoList();
this.Controls.Add(activeVNCView);
this.ClearErrorMessage();
}
internal Image Snapshot(VM vm, string elevatedUsername, string elevatedPassword)
{
Program.AssertOffEventThread();
VNCView view = null;
bool useElevatedCredentials = false;
if (!vncViews.ContainsKey(vm))
{
Program.Invoke(this, delegate
{
// use elevated credentials, if provided, to create a vncView (CA-91132)
useElevatedCredentials = !String.IsNullOrEmpty(elevatedUsername) && !String.IsNullOrEmpty(elevatedPassword);
if (useElevatedCredentials)
{
view = new VNCView(vm, elevatedUsername, elevatedPassword);
}
else
{
setCurrentSource(vm);
if (vncViews.ContainsKey(vm))
{
view = vncViews[vm];
}
}
});
}
else
{
view = vncViews[vm];
}
if (view == null)
{
return(null);
}
Image snapshot = view.Snapshot();
// TODO: only pause the view if we're not currently using it.
// view.Pause();
if (useElevatedCredentials)
{
//used the elevated credentials for snapshot, need to close vnc when finished
Program.Invoke(this, () => view.Dispose());
}
return(snapshot);
}
public void StartCloseVNCTimer(VNCView vncView)
{
if (vncView == null)
{
return;
}
// find the <VM, VNCView> pair in vncViews and start timer on the vm
foreach (var kvp in vncViews.Where(kvp => kvp.Value == vncView))
{
StartCloseVNCTimer(kvp.Key);
break;
}
}
internal void setCurrentSource(VM source)
{
Program.AssertOnEventThread();
this.Controls.Clear();
if (source == null)
{
activeVNCView = null;
return;
}
List <Role> allowedRoles = null;
if (RbacDenied(source, out allowedRoles))
{
lableRbacWarning.Text = String.Format(allowedRoles.Count == 1 ? Messages.RBAC_CONSOLE_WARNING_ONE : Messages.RBAC_CONSOLE_WARNING_MANY,
Role.FriendlyCSVRoleList(source.Connection.Session.Roles),
Role.FriendlyCSVRoleList(allowedRoles));
this.Controls.Add(RbacWarningPanel);
if (activeVNCView != null)
{
this.Controls.Remove(activeVNCView);
}
return;
}
activeVMConsoles.Remove(source);
activeVMConsoles.Add(source);
while (activeVMConsoles.Count > MAX_ACTIVE_VM_CONSOLES)
{
closeVNCForSource(activeVMConsoles[0]);
activeVMConsoles.RemoveAt(0);
}
if (vncViews.ContainsKey(source))
{
activeVNCView = vncViews[source];
}
else
{
activeVNCView = new VNCView(source, null, null);
vncViews[source] = activeVNCView;
}
activeVNCView.refreshIsoList();
this.Controls.Add(activeVNCView);
this.ClearErrorMessage();
}
public void closeVNCForSource(VM source)
{
Program.AssertOnEventThread();
if (!vncViews.ContainsKey(source))
{
return;
}
VNCView vncView = vncViews[source];
if (!vncView.isDocked)
{
return;
}
vncViews.Remove(source);
vncView.Dispose();
}
internal void setCurrentSource(VM source)
{
Program.AssertOnEventThread();
// activeVNCView is going to change, so the current activeVNCView will become inactive
// Start a timer for closing the inactive VNC connection after an interval (20 seconds)
StartCloseVNCTimer(activeVNCView);
tableLayoutPanelRbac.Visible = false;
if (activeVNCView != null)
{
Controls.Remove(activeVNCView);
activeVNCView = null;
}
if (source == null)
{
return;
}
List <Role> allowedRoles;
if (RbacDenied(source, out allowedRoles))
{
string msg = allowedRoles.Count == 1 ? Messages.RBAC_CONSOLE_WARNING_ONE : Messages.RBAC_CONSOLE_WARNING_MANY;
lableRbacWarning.Text = string.Format(msg,
Role.FriendlyCSVRoleList(source.Connection.Session.Roles),
Role.FriendlyCSVRoleList(allowedRoles));
tableLayoutPanelRbac.Visible = true;
return;
}
StopCloseVncTimer(source);
//remove one more as we're adding the selected further down
//Take(arg) returns empty list if the arg <= 0
var viewsToRemove = vncViews.Where(v => v.Key.opaque_ref != source.opaque_ref).Take(vncViews.Count - 1 - MAX_ACTIVE_VM_CONSOLES);
foreach (var view in viewsToRemove)
{
closeVNCForSource(view.Key);
}
if (vncViews.ContainsKey(source))
{
activeVNCView = vncViews[source];
}
else
{
activeVNCView = new VNCView(source, null, null)
{
Dock = DockStyle.Fill
};
vncViews[source] = activeVNCView;
}
activeVNCView.refreshIsoList();
Controls.Add(activeVNCView);
ClearErrorMessage();
}