private void EnableAppropriateHostsNoWlb(Session session)
{
SelectedItemCollection selection = Command.GetSelection();
IXenConnection connection = selection[0].Connection;
VMOperationCommand cmdHome = new VMOperationHomeServerCommand(Command.MainWindowCommandInterface, selection, _operation, session);
Host affinityHost = connection.Resolve(((VM)Command.GetSelection()[0].XenObject).affinity);
VMOperationCommand cpmCmdHome = new CrossPoolMigrateToHomeCommand(Command.MainWindowCommandInterface, selection, affinityHost);
Program.Invoke(Program.MainWindow, delegate
{
var firstItem = (VMOperationToolStripMenuSubItem)base.DropDownItems[0];
bool oldMigrateToHomeCmdCanRun = cmdHome.CanExecute();
if (affinityHost == null || _operation == vm_operations.start_on || !oldMigrateToHomeCmdCanRun && !cpmCmdHome.CanExecute())
{
firstItem.Command = cmdHome;
}
else
{
firstItem.Command = oldMigrateToHomeCmdCanRun ? cmdHome : cpmCmdHome;
}
});
List <VMOperationToolStripMenuSubItem> dropDownItems = DropDownItems.Cast <VMOperationToolStripMenuSubItem>().ToList();
// Adds the migrate wizard button, do this before the enable checks on the other items
Program.Invoke(Program.MainWindow, () => AddAdditionalMenuItems(selection));
foreach (VMOperationToolStripMenuSubItem item in dropDownItems)
{
if (_isDropDownClosed)
{
// Stop making requests to assert can start on each host after dropdown is closed
break;
}
Host host = item.Tag as Host;
if (host != null)
{
VMOperationCommand cmd = new VMOperationHostCommand(Command.MainWindowCommandInterface, selection, delegate { return(host); }, host.Name().EscapeAmpersands(), _operation, session);
CrossPoolMigrateCommand cpmCmd = new CrossPoolMigrateCommand(Command.MainWindowCommandInterface, selection, host, _resumeAfter);
VMOperationToolStripMenuSubItem tempItem = item;
Program.Invoke(Program.MainWindow, delegate
{
bool oldMigrateCmdCanRun = cmd.CanExecute();
if (_operation == vm_operations.start_on || (!oldMigrateCmdCanRun && !cpmCmd.CanExecute() && string.IsNullOrEmpty(cpmCmd.CantExecuteReason)))
{
tempItem.Command = cmd;
}
else
{
tempItem.Command = oldMigrateCmdCanRun ? cmd : cpmCmd;
}
});
}
}
}
private void EnableAppropriateHostsNoWlb(Session session)
{
SelectedItemCollection selection = Command.GetSelection();
IXenConnection connection = selection[0].Connection;
VMOperationCommand cmdHome = new VMOperationHomeServerCommand(Command.MainWindowCommandInterface, selection, _operation, session);
Host affinityHost = connection.Resolve(((VM)Command.GetSelection()[0].XenObject).affinity);
VMOperationCommand cpmCmdHome = new CrossPoolMigrateToHomeCommand(Command.MainWindowCommandInterface, selection, affinityHost);
Program.Invoke(Program.MainWindow, delegate
{
var firstItem = (VMOperationToolStripMenuSubItem)base.DropDownItems[0];
bool oldMigrateToHomeCmdCanRun = cmdHome.CanExecute();
if (affinityHost == null || _operation == vm_operations.start_on || !oldMigrateToHomeCmdCanRun && !cpmCmdHome.CanExecute())
{
firstItem.Command = cmdHome;
}
else
{
firstItem.Command = oldMigrateToHomeCmdCanRun ? cmdHome : cpmCmdHome;
}
});
List <VMOperationToolStripMenuSubItem> dropDownItems = DropDownItems.Cast <VMOperationToolStripMenuSubItem>().ToList();
foreach (VMOperationToolStripMenuSubItem item in dropDownItems)
{
if (item.Tag is Host)
{
Host host = (Host)item.Tag;
string hostNameText = host.Name.EscapeAmpersands();
VMOperationCommand cmd = new VMOperationHostCommand(Command.MainWindowCommandInterface, selection, delegate { return(host); }, hostNameText, _operation, session);
VMOperationCommand cpmCmd = new CrossPoolMigrateCommand(Command.MainWindowCommandInterface, selection, host)
{
MenuText = hostNameText
};
VMOperationToolStripMenuSubItem tempItem = item;
Program.Invoke(Program.MainWindow, delegate
{
bool oldMigrateCmdCanRun = cmd.CanExecute();
if (_operation == vm_operations.start_on || !oldMigrateCmdCanRun && !cpmCmd.CanExecute())
{
tempItem.Command = cmd;
}
else
{
tempItem.Command = oldMigrateCmdCanRun ? cmd : cpmCmd;
}
});
}
}
Program.Invoke(Program.MainWindow, () => AddAdditionalMenuItems(selection));
}
protected override void OnDropDownOpening(EventArgs e)
{
base.DropDownItems.Clear();
_isDropDownClosed = false;
// Work around bug in tool kit where disabled menu items show their dropdown menus
if (!Enabled)
{
ToolStripMenuItem emptyMenuItem = new ToolStripMenuItem(Messages.HOST_MENU_EMPTY);
emptyMenuItem.Font = Program.DefaultFont;
emptyMenuItem.Enabled = false;
base.DropDownItems.Add(emptyMenuItem);
return;
}
VisualMenuItemAlignData.ParentStrip = this;
IXenConnection connection = Command.GetSelection()[0].Connection;
bool wlb = Helpers.WlbEnabled(connection);
if (wlb)
{
base.DropDownItems.Add(new VMOperationToolStripMenuSubItem(Messages.WLB_OPT_MENU_OPTIMAL_SERVER, Images.StaticImages._000_ServerWlb_h32bit_16));
}
else
{
base.DropDownItems.Add(new VMOperationToolStripMenuSubItem(Messages.HOME_SERVER_MENU_ITEM, Images.StaticImages._000_ServerHome_h32bit_16));
}
List <Host> hosts = new List <Host>(connection.Cache.Hosts);
hosts.Sort();
foreach (Host host in hosts)
{
VMOperationToolStripMenuSubItem item = new VMOperationToolStripMenuSubItem(String.Format(Messages.MAINWINDOW_CONTEXT_UPDATING, host.name_label.EscapeAmpersands()), Images.StaticImages._000_ServerDisconnected_h32bit_16);
item.Tag = host;
base.DropDownItems.Add(item);
}
// start a new thread to evaluate which hosts can be used.
ThreadPool.QueueUserWorkItem(delegate
{
SelectedItemCollection selection = Command.GetSelection();
Session session = selection[0].Connection.DuplicateSession();
WlbRecommendations recommendations = new WlbRecommendations(selection.AsXenObjects <VM>(), session);
recommendations.Initialize();
if (recommendations.IsError)
{
EnableAppropriateHostsNoWlb(session);
}
else
{
EnableAppropriateHostsWlb(session, recommendations);
}
});
}
protected override void AddAdditionalMenuItems(SelectedItemCollection selection)
{
if (selection.ToList().All(item => !Helpers.CrossPoolMigrationRestrictedWithWlb(item.Connection)))
{
VMOperationCommand cmd = new CrossPoolMigrateCommand(Command.MainWindowCommandInterface, selection);
DropDownItems.Add(new ToolStripSeparator());
VMOperationToolStripMenuSubItem lastItem = new VMOperationToolStripMenuSubItem(cmd);
DropDownItems.Add(lastItem);
}
}
protected override void AddAdditionalMenuItems(SelectedItemCollection selection)
{
if (selection.ToList().All(item => Helpers.TampaOrGreater(item.Connection) && !Helpers.CrossPoolMigrationRestrictedWithWlb(item.Connection)))
{
VMOperationCommand cmd = new CrossPoolMigrateCommand(Command.MainWindowCommandInterface, selection);
DropDownItems.Add(new ToolStripSeparator());
VMOperationToolStripMenuSubItem lastItem = new VMOperationToolStripMenuSubItem(cmd);
DropDownItems.Add(lastItem);
}
}
private void EnableAppropriateHostsWlb(Session session, WlbRecommendations recommendations)
{
SelectedItemCollection selection = Command.GetSelection();
// set the first menu item to be the WLB optimal server menu item
VMOperationToolStripMenuSubItem firstItem = (VMOperationToolStripMenuSubItem)base.DropDownItems[0];
var firstItemCmd = new VMOperationWlbOptimalServerCommand(Command.MainWindowCommandInterface, selection, _operation, recommendations);
var firstItemCmdCanExecute = firstItemCmd.CanExecute();
Program.Invoke(Program.MainWindow, delegate
{
firstItem.Command = firstItemCmd;
firstItem.Enabled = firstItemCmdCanExecute;
});
List <VMOperationToolStripMenuSubItem> hostMenuItems = new List <VMOperationToolStripMenuSubItem>();
foreach (VMOperationToolStripMenuSubItem item in base.DropDownItems)
{
Host host = item.Tag as Host;
if (host != null)
{
var cmd = new VMOperationWlbHostCommand(Command.MainWindowCommandInterface, selection, host, _operation, recommendations.GetStarRating(host));
var canExecute = cmd.CanExecute();
Program.Invoke(Program.MainWindow, delegate
{
item.Command = cmd;
item.Enabled = canExecute;
});
hostMenuItems.Add(item);
}
}
// Shuffle the list to make it look cool
// Helpers.ShuffleList(hostMenuItems);
// sort the hostMenuItems by star rating
hostMenuItems.Sort(new WlbHostStarCompare());
// refresh the drop-down-items from the menuItems.
foreach (VMOperationToolStripMenuSubItem menuItem in hostMenuItems)
{
Program.Invoke(Program.MainWindow, delegate()
{
base.DropDownItems.Insert(hostMenuItems.IndexOf(menuItem) + 1, menuItem);
});
}
Program.Invoke(Program.MainWindow, () => AddAdditionalMenuItems(selection));
}
private void EnableAppropriateHostsNoWlb(Session session)
{
SelectedItemCollection selection = Command.GetSelection();
IXenConnection connection = selection[0].Connection;
VMOperationCommand commandForFirstMenuItem = new VMOperationHomeServerCommand(Command.MainWindowCommandInterface, selection, _operation, session);
Program.Invoke(Program.MainWindow, delegate
{
VMOperationToolStripMenuSubItem firstItem = (VMOperationToolStripMenuSubItem)base.DropDownItems[0];
firstItem.Command = commandForFirstMenuItem;
});
List <VMOperationToolStripMenuSubItem> dropDownItems = DropDownItems.Cast <VMOperationToolStripMenuSubItem>().ToList();
foreach (VMOperationToolStripMenuSubItem item in dropDownItems)
{
if (item.Tag is Host)
{
Host host = (Host)item.Tag;
VMOperationCommand cmd = new VMOperationHostCommand(Command.MainWindowCommandInterface, selection, delegate { return(host); }, host.Name.EscapeAmpersands(), _operation, session);
VMOperationCommand cpmCmd = new CrossPoolMigrateCommand(Command.MainWindowCommandInterface, selection, host)
{
MenuText = host.Name.EscapeAmpersands()
};
VMOperationToolStripMenuSubItem tempItem = item;
Program.Invoke(Program.MainWindow, delegate
{
bool oldMigrateCmdCanRun = cmd.CanExecute();
if (!oldMigrateCmdCanRun && !cpmCmd.CanExecute())
{
tempItem.Command = cmd;
}
else
{
tempItem.Command = oldMigrateCmdCanRun ? cmd : cpmCmd;
}
});
}
}
Program.Invoke(Program.MainWindow, () => AddAdditionalMenuItems(selection));
}
protected override void OnDropDownOpening(EventArgs e)
{
base.DropDownItems.Clear();
// Work around bug in tool kit where disabled menu items show their dropdown menus
if (!Enabled)
{
ToolStripMenuItem emptyMenuItem = new ToolStripMenuItem(Messages.HOST_MENU_EMPTY);
emptyMenuItem.Font = Program.DefaultFont;
emptyMenuItem.Enabled = false;
base.DropDownItems.Add(emptyMenuItem);
return;
}
VisualMenuItemAlignData.ParentStrip = this;
var selection = Command.GetSelection();
IXenConnection connection = selection[0].Connection;
bool wlb = Helpers.WlbEnabled(connection);
if (wlb)
{
base.DropDownItems.Add(new VMOperationToolStripMenuSubItem(Messages.WLB_OPT_MENU_OPTIMAL_SERVER, Images.StaticImages._000_ServerWlb_h32bit_16));
}
else
{
base.DropDownItems.Add(new VMOperationToolStripMenuSubItem(Messages.HOME_SERVER_MENU_ITEM, Images.StaticImages._000_ServerHome_h32bit_16));
}
List <Host> hosts = new List <Host>(connection.Cache.Hosts);
hosts.Sort();
foreach (Host host in hosts)
{
VMOperationToolStripMenuSubItem item = new VMOperationToolStripMenuSubItem(String.Format(Messages.MAINWINDOW_CONTEXT_UPDATING, host.name_label.EscapeAmpersands()), Images.StaticImages._000_ServerDisconnected_h32bit_16);
item.Tag = host;
base.DropDownItems.Add(item);
}
// Adds the migrate wizard button, do this before the enable checks on the other items
AddAdditionalMenuItems(selection);
UpdateHostList();
}
private void EnableAppropriateHostsWlb(Session session, WlbRecommendations recommendations)
{
SelectedItemCollection selection = Command.GetSelection();
// set the first menu item to be the WLB optimal server menu item
Program.Invoke(Program.MainWindow, delegate
{
VMOperationToolStripMenuSubItem firstItem = (VMOperationToolStripMenuSubItem)base.DropDownItems[0];
firstItem.Command = new VMOperationWlbOptimalServerCommand(Command.MainWindowCommandInterface, selection, _operation, recommendations);
});
List <VMOperationToolStripMenuSubItem> hostMenuItems = new List <VMOperationToolStripMenuSubItem>();
Program.Invoke(Program.MainWindow, delegate
{
foreach (VMOperationToolStripMenuSubItem item in base.DropDownItems)
{
if (item.Tag is Host)
{
Host host = (Host)item.Tag;
item.Command = new VMOperationWlbHostCommand(Command.MainWindowCommandInterface, selection, host, _operation, recommendations.GetStarRating(host));
hostMenuItems.Add(item);
}
}
});
// Shuffle the list to make it look cool
Helpers.ShuffleList(hostMenuItems);
// sort the hostMenuItems by star rating
hostMenuItems.Sort(new WlbHostStarCompare());
// refresh the drop-down-items from the menuItems.
Program.Invoke(Program.MainWindow, delegate()
{
foreach (VMOperationToolStripMenuSubItem menuItem in hostMenuItems)
{
base.DropDownItems.Insert(hostMenuItems.IndexOf(menuItem) + 1, menuItem);
}
});
}
private void EnqueueHostMenuItem(VMOperationToolStripMenuItem menu, Session session, Host host, VMOperationToolStripMenuSubItem hostMenuItem, bool isHomeServer)
{
workerQueueWithoutWlb.EnqueueItem(() =>
{
var selection = menu.Command.GetSelection();
var cmd = isHomeServer
? new VMOperationHomeServerCommand(menu.Command.MainWindowCommandInterface, selection, menu._operation, session)
: new VMOperationHostCommand(menu.Command.MainWindowCommandInterface, selection, delegate { return(host); }, host.Name().EscapeAmpersands(), menu._operation, session);
var oldMigrateCmdCanRun = cmd.CanExecute();
if (Stopped)
{
return;
}
if (host == null || menu._operation == vm_operations.start_on || oldMigrateCmdCanRun)
{
Program.Invoke(Program.MainWindow, delegate
{
hostMenuItem.Command = cmd;
hostMenuItem.Enabled = oldMigrateCmdCanRun;
});
}
else
{
var cpmCmd = isHomeServer
? new CrossPoolMigrateToHomeCommand(menu.Command.MainWindowCommandInterface, selection, host)
: new CrossPoolMigrateCommand(menu.Command.MainWindowCommandInterface, selection, host, menu._resumeAfter);
var crossPoolMigrateCmdCanRun = cpmCmd.CanExecute();
if (Stopped)
{
return;
}
Program.Invoke(Program.MainWindow, delegate
{
if (crossPoolMigrateCmdCanRun || !string.IsNullOrEmpty(cpmCmd.CantExecuteReason))
{
hostMenuItem.Command = cpmCmd;
hostMenuItem.Enabled = crossPoolMigrateCmdCanRun;
}
else
{
hostMenuItem.Command = cmd;
hostMenuItem.Enabled = false;
}
});
}
});
}
private void EnableAppropriateHostsNoWlb(Session session)
{
SelectedItemCollection selection = Command.GetSelection();
IXenConnection connection = selection[0].Connection;
VMOperationCommand cmdHome = new VMOperationHomeServerCommand(Command.MainWindowCommandInterface, selection, _operation, session);
Host affinityHost = connection.Resolve(((VM)Command.GetSelection()[0].XenObject).affinity);
Program.Invoke(Program.MainWindow, delegate
{
var firstItem = (VMOperationToolStripMenuSubItem)base.DropDownItems[0];
bool oldMigrateToHomeCmdCanRun = cmdHome.CanExecute();
if (affinityHost == null || _operation == vm_operations.start_on || oldMigrateToHomeCmdCanRun)
{
firstItem.Command = cmdHome;
firstItem.Enabled = oldMigrateToHomeCmdCanRun;
}
else
{
VMOperationCommand cpmCmdHome = new CrossPoolMigrateToHomeCommand(Command.MainWindowCommandInterface, selection, affinityHost);
if (cpmCmdHome.CanExecute())
{
firstItem.Command = cpmCmdHome;
firstItem.Enabled = true;
}
else
{
firstItem.Command = cmdHome;
firstItem.Enabled = false;
}
}
});
List <VMOperationToolStripMenuSubItem> dropDownItems = DropDownItems.Cast <VMOperationToolStripMenuSubItem>().ToList();
// Adds the migrate wizard button, do this before the enable checks on the other items
Program.Invoke(Program.MainWindow, () => AddAdditionalMenuItems(selection));
foreach (VMOperationToolStripMenuSubItem item in dropDownItems)
{
if (_isDropDownClosed)
{
// Stop making requests to assert can start on each host after dropdown is closed
break;
}
Host host = item.Tag as Host;
if (host != null)
{
// API calls could happen in CanExecute(), which take time to wait.
// So a Producer-Consumer-Queue with size 25 is used here to :
// 1. Make API calls for different menu items happen in parallel;
// 2. Limit the count of concurrent threads (now it's 25).
workerQueueWithouWlb.EnqueueItem(() =>
{
if (_isDropDownClosed)
{
return;
}
VMOperationCommand cmd = new VMOperationHostCommand(Command.MainWindowCommandInterface, selection, delegate { return(host); }, host.Name().EscapeAmpersands(), _operation, session);
CrossPoolMigrateCommand cpmCmd = new CrossPoolMigrateCommand(Command.MainWindowCommandInterface, selection, host, _resumeAfter);
VMOperationToolStripMenuSubItem tempItem = item;
bool oldMigrateCmdCanRun = cmd.CanExecute();
if ((_operation == vm_operations.start_on) || oldMigrateCmdCanRun)
{
Program.Invoke(Program.MainWindow, delegate
{
tempItem.Command = cmd;
tempItem.Enabled = oldMigrateCmdCanRun;
});
}
else
{
bool crossPoolMigrateCmdCanRun = cpmCmd.CanExecute();
if (crossPoolMigrateCmdCanRun || !string.IsNullOrEmpty(cpmCmd.CantExecuteReason))
{
Program.Invoke(Program.MainWindow, delegate
{
tempItem.Command = cpmCmd;
tempItem.Enabled = crossPoolMigrateCmdCanRun;
});
}
else
{
Program.Invoke(Program.MainWindow, delegate
{
tempItem.Command = cmd;
tempItem.Enabled = oldMigrateCmdCanRun;
});
}
}
});
}
}
}