mirror of
https://github.com/xcp-ng/xenadmin.git
synced 2024-12-30 07:40:13 +01:00
307 lines
14 KiB
C#
307 lines
14 KiB
C#
|
/* 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.Drawing;
|
|||
|
|
using System.IO;
|
|||
|
|
using System.Net;
|
|||
|
|
using System.Windows.Forms;
|
|||
|
|
using XenAdmin.Core;
|
|||
|
|
using XenAdmin.Dialogs;
|
|||
|
|
using XenAPI;
|
|||
|
|
|
|||
|
|
|
|||
|
|
namespace XenAdmin.Network
|
|||
|
|
{
|
|||
|
|
class XenConnectionUI
|
|||
|
|
{
|
|||
|
|
/// <summary>
|
|||
|
|
/// Start connecting to a server
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="connection"></param>
|
|||
|
|
/// <param name="interactive">Whether the user has initiated/is watching this connection attempt.</param>
|
|||
|
|
/// <param name="owner">The form that connecting dialogs will be displayed in front of.
|
|||
|
|
/// May be null, in which case Program.MainWindow is used.</param>
|
|||
|
|
/// <param name="initiateMasterSearch">If true, when connection to the master fails we will start trying to connect to
|
|||
|
|
/// each remembered slave in turn.</param>
|
|||
|
|
public static void BeginConnect(IXenConnection connection, bool interactive, Form owner, bool initiateMasterSearch)
|
|||
|
|
{
|
|||
|
|
Program.AssertOnEventThread();
|
|||
|
|
RegisterEventHandlers(connection);
|
|||
|
|
if (interactive)
|
|||
|
|
new ConnectingToServerDialog(connection).BeginConnect(owner, initiateMasterSearch);
|
|||
|
|
else
|
|||
|
|
((XenConnection)connection).BeginConnect(initiateMasterSearch, PromptForNewPassword);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public static bool PromptForNewPassword(IXenConnection connection, string oldPassword)
|
|||
|
|
{
|
|||
|
|
bool result = false;
|
|||
|
|
Program.Invoke(Program.MainWindow, delegate()
|
|||
|
|
{
|
|||
|
|
// show an altered version of the add server dialog with the hostname greyed out
|
|||
|
|
AddServerDialog dialog = new AddServerDialog(connection, true);
|
|||
|
|
result = dialog.ShowDialog(Program.MainWindow) == DialogResult.OK;
|
|||
|
|
});
|
|||
|
|
return result;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private static void RegisterEventHandlers(IXenConnection connection)
|
|||
|
|
{
|
|||
|
|
UnregisterEventHandlers(connection);
|
|||
|
|
connection.ConnectionResult += Connection_ConnectionResult;
|
|||
|
|
connection.ConnectionStateChanged += Connection_ConnectionStateChanged;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private static void UnregisterEventHandlers(IXenConnection connection)
|
|||
|
|
{
|
|||
|
|
connection.ConnectionResult -= Connection_ConnectionResult;
|
|||
|
|
connection.ConnectionStateChanged -= Connection_ConnectionStateChanged;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
internal static void Connection_ConnectionResult(object sender, ConnectionResultEventArgs e)
|
|||
|
|
{
|
|||
|
|
// Show connection error
|
|||
|
|
if (e.Connected || e.Error == null)
|
|||
|
|
return;
|
|||
|
|
|
|||
|
|
IXenConnection connection = (IXenConnection)sender;
|
|||
|
|
|
|||
|
|
Program.Invoke(Program.MainWindow,
|
|||
|
|
delegate()
|
|||
|
|
{
|
|||
|
|
ShowConnectingDialogError_(Program.MainWindow, connection, e.Error);
|
|||
|
|
});
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
internal static void ShowConnectingDialogError_(Form owner, IXenConnection connection, Exception error)
|
|||
|
|
{
|
|||
|
|
if (error is ExpressRestriction)
|
|||
|
|
{
|
|||
|
|
ExpressRestriction e = (ExpressRestriction)error;
|
|||
|
|
Program.Invoke(Program.MainWindow, delegate()
|
|||
|
|
{
|
|||
|
|
new LicenseWarningDialog(e.HostName, e.ExistingHostName).ShowDialog(owner);
|
|||
|
|
});
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (error is Failure)
|
|||
|
|
{
|
|||
|
|
Failure f = (Failure)error;
|
|||
|
|
if (f.ErrorDescription[0] == Failure.HOST_IS_SLAVE)
|
|||
|
|
{
|
|||
|
|
string oldHost = connection.Name;
|
|||
|
|
((XenConnection)connection).Hostname = f.ErrorDescription[1];
|
|||
|
|
|
|||
|
|
string pool_name = XenConnection.ConnectedElsewhere(((XenConnection)connection).Hostname);
|
|||
|
|
if (pool_name != null)
|
|||
|
|
{
|
|||
|
|
if (!Program.RunInAutomatedTestMode)
|
|||
|
|
{
|
|||
|
|
if (pool_name == oldHost)
|
|||
|
|
{
|
|||
|
|
new ThreeButtonDialog(
|
|||
|
|
new ThreeButtonDialog.Details(
|
|||
|
|
SystemIcons.Information,
|
|||
|
|
string.Format(Messages.OLD_CONNECTION_ALREADY_CONNECTED, pool_name),
|
|||
|
|
Messages.ADD_NEW_CONNECT_TO)).ShowDialog(owner);
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
|
|||
|
|
new ThreeButtonDialog(
|
|||
|
|
new ThreeButtonDialog.Details(
|
|||
|
|
SystemIcons.Information,
|
|||
|
|
string.Format(Messages.SLAVE_ALREADY_CONNECTED, oldHost, pool_name),
|
|||
|
|
Messages.ADD_NEW_CONNECT_TO)).ShowDialog(owner);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
if (DialogResult.Yes ==
|
|||
|
|
new ThreeButtonDialog(
|
|||
|
|
new ThreeButtonDialog.Details(
|
|||
|
|
SystemIcons.Warning,
|
|||
|
|
String.Format(Messages.SLAVE_CONNECTION_ERROR, oldHost, ((XenConnection)connection).Hostname),
|
|||
|
|
Messages.CONNECT_TO_SERVER),
|
|||
|
|
ThreeButtonDialog.ButtonYes,
|
|||
|
|
ThreeButtonDialog.ButtonNo).ShowDialog(owner))
|
|||
|
|
{
|
|||
|
|
BeginConnect(connection, true, owner, false);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
else if (f.ErrorDescription[0] == Failure.RBAC_PERMISSION_DENIED)
|
|||
|
|
{
|
|||
|
|
AddError(owner, connection, Messages.ERROR_NO_PERMISSION, Messages.SOLUTION_NO_PERMISSION);
|
|||
|
|
}
|
|||
|
|
else if (f.ErrorDescription[0] == XenAPI.Failure.SESSION_AUTHENTICATION_FAILED)
|
|||
|
|
{
|
|||
|
|
AddError(owner, connection, Messages.ERROR_AUTHENTICATION, Messages.SOLUTION_AUTHENTICATION);
|
|||
|
|
}
|
|||
|
|
else if (f.ErrorDescription[0] == Failure.HOST_STILL_BOOTING)
|
|||
|
|
{
|
|||
|
|
AddError(owner, connection, Messages.ERROR_HOST_STILL_BOOTING, Messages.SOLUTION_HOST_STILL_BOOTING);
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
AddError(owner, connection, string.IsNullOrEmpty(f.Message) ? Messages.ERROR_UNKNOWN : f.Message, string.Empty);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
else if (error is WebException)
|
|||
|
|
{
|
|||
|
|
if (((XenConnection)connection).SupressErrors)
|
|||
|
|
return;
|
|||
|
|
|
|||
|
|
WebException w = (WebException)error;
|
|||
|
|
switch (w.Status)
|
|||
|
|
{
|
|||
|
|
case WebExceptionStatus.ConnectionClosed:
|
|||
|
|
AddError(owner, connection, Messages.CONNECTION_CLOSED_BY_SERVER, string.Format(Messages.SOLUTION_CHECK_XENSERVER, ((XenConnection)connection).Hostname));
|
|||
|
|
break;
|
|||
|
|
case WebExceptionStatus.ConnectFailure:
|
|||
|
|
AddError(owner, connection, Messages.CONNECTION_REFUSED, string.Format(Messages.SOLUTION_CHECK_XENSERVER, ((XenConnection)connection).Hostname));
|
|||
|
|
break;
|
|||
|
|
case WebExceptionStatus.ProtocolError:
|
|||
|
|
if (w.Message != null && w.Message.Contains("(404)"))
|
|||
|
|
AddError(owner, connection, string.Format(Messages.ERROR_NO_XENSERVER, ((XenConnection)connection).Hostname), string.Format(Messages.SOLUTION_CHECK_XENSERVER, ((XenConnection)connection).Hostname));
|
|||
|
|
else
|
|||
|
|
AddError(owner, connection, Messages.ERROR_UNKNOWN, Messages.SOLUTION_UNKNOWN);
|
|||
|
|
break;
|
|||
|
|
case WebExceptionStatus.NameResolutionFailure:
|
|||
|
|
AddError(owner, connection, string.Format(Messages.ERROR_NOT_FOUND, ((XenConnection)connection).Hostname), Messages.SOLUTION_NOT_FOUND);
|
|||
|
|
break;
|
|||
|
|
case WebExceptionStatus.ReceiveFailure:
|
|||
|
|
case WebExceptionStatus.SendFailure:
|
|||
|
|
AddError(owner, connection, string.Format(Messages.ERROR_NO_XENSERVER, ((XenConnection)connection).Hostname), string.Format(Messages.SOLUTION_CHECK_XENSERVER, ((XenConnection)connection).Hostname));
|
|||
|
|
break;
|
|||
|
|
default:
|
|||
|
|
AddError(owner, connection, Messages.ERROR_UNKNOWN, Messages.SOLUTION_UNKNOWN);
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
else if (error is UriFormatException)
|
|||
|
|
{
|
|||
|
|
AddError(owner, connection, string.Format(Messages.ERROR_INVALID_URI, connection.Name), Messages.SOLUTION_NOT_FOUND);
|
|||
|
|
}
|
|||
|
|
else if (error is FileNotFoundException)
|
|||
|
|
{
|
|||
|
|
// If you're using the DbProxy
|
|||
|
|
AddError(owner, connection, string.Format(string.Format(Messages.ERROR_FILE_NOT_FOUND, ((XenConnection)connection).Hostname), connection.Name), Messages.SOLUTION_UNKNOWN);
|
|||
|
|
}
|
|||
|
|
else if (error is ConnectionExists)
|
|||
|
|
{
|
|||
|
|
ConnectionsManager.ClearCacheAndRemoveConnection(connection);
|
|||
|
|
|
|||
|
|
if (!Program.RunInAutomatedTestMode)
|
|||
|
|
{
|
|||
|
|
ConnectionExists c = error as ConnectionExists;
|
|||
|
|
|
|||
|
|
new ThreeButtonDialog(
|
|||
|
|
new ThreeButtonDialog.Details(
|
|||
|
|
SystemIcons.Information,
|
|||
|
|
c.GetDialogMessage(connection),
|
|||
|
|
Messages.XENCENTER)).ShowDialog(owner);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
else if (error is ArgumentException)
|
|||
|
|
{
|
|||
|
|
// This happens if the server API is incompatible with our bindings. This should
|
|||
|
|
// never happen in production, but will happen during development if a field
|
|||
|
|
// changes type, for example.
|
|||
|
|
AddError(owner, connection, Messages.SERVER_API_INCOMPATIBLE, Messages.SOLUTION_UNKNOWN);
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
if (((XenConnection)connection).SupressErrors)
|
|||
|
|
return;
|
|||
|
|
|
|||
|
|
AddError(owner, connection, string.Format(Messages.ERROR_UNKNOWN, ((XenConnection)connection).Hostname), Messages.SOLUTION_UNKNOWN);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private static void AddError(Form owner, IXenConnection connection, string error, string solution)
|
|||
|
|
{
|
|||
|
|
string text = string.Format(Messages.MESSAGEBOX_ERRORTEXT, ((XenConnection)connection).Hostname, error, solution);
|
|||
|
|
|
|||
|
|
// first check if there is already a dialog showing the same error (CA-97070, CA-88901)
|
|||
|
|
foreach (Form form in Application.OpenForms)
|
|||
|
|
{
|
|||
|
|
if (form.GetType() == typeof(ThreeButtonDialog))
|
|||
|
|
{
|
|||
|
|
ThreeButtonDialog dlg = (ThreeButtonDialog) form;
|
|||
|
|
if (dlg.Message == text && dlg.Owner == owner)
|
|||
|
|
{
|
|||
|
|
HelpersGUI.BringFormToFront(form);
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (((XenConnection)connection).fromDialog)
|
|||
|
|
{
|
|||
|
|
if (DialogResult.Retry == new ThreeButtonDialog(
|
|||
|
|
new ThreeButtonDialog.Details(SystemIcons.Error, text, Messages.CONNECT_TO_SERVER),
|
|||
|
|
new ThreeButtonDialog.TBDButton(Messages.RETRY_BUTTON_LABEL, DialogResult.Retry, ThreeButtonDialog.ButtonType.ACCEPT, true),
|
|||
|
|
ThreeButtonDialog.ButtonCancel).ShowDialog(owner))
|
|||
|
|
{
|
|||
|
|
new AddServerDialog(connection, false).Show(owner);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
new ThreeButtonDialog(
|
|||
|
|
new ThreeButtonDialog.Details(
|
|||
|
|
SystemIcons.Error,
|
|||
|
|
text,
|
|||
|
|
Messages.CONNECT_TO_SERVER)).ShowDialog(owner);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private static void Connection_ConnectionStateChanged(object sender, EventArgs e)
|
|||
|
|
{
|
|||
|
|
// Close dialogs on termination
|
|||
|
|
IXenConnection connection = (IXenConnection)sender;
|
|||
|
|
|
|||
|
|
if (connection.IsConnected)
|
|||
|
|
return;
|
|||
|
|
|
|||
|
|
Program.Invoke(Program.MainWindow,
|
|||
|
|
delegate()
|
|||
|
|
{
|
|||
|
|
XenDialogBase.CloseAll(connection);
|
|||
|
|
});
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|