xenadmin/XenAdmin/Wizards/PatchingWizard/PatchingWizard_PrecheckPage.cs
Konstantina Chremmou 7a1b1a6dcc Since it is easy to forget calling the base class method at the end of the PageLeave
override in derived classes, enforce it by wrapping the page specific code in
a new virtual method, which the derived classes can override and PageLeave can
call before its own logic.

Signed-off-by: Konstantina Chremmou <konstantina.chremmou@citrix.com>
2018-03-09 11:22:26 +00:00

943 lines
38 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.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Linq;
using System.Windows.Forms;
using XenAdmin.Actions;
using XenAdmin.Alerts;
using XenAdmin.Controls;
using XenAdmin.Core;
using XenAdmin.Diagnostics.Checks;
using XenAdmin.Diagnostics.Problems;
using XenAdmin.Diagnostics.Problems.HostProblem;
using XenAdmin.Dialogs;
using XenAPI;
using CheckGroup = System.Collections.Generic.KeyValuePair<string, System.Collections.Generic.List<XenAdmin.Diagnostics.Checks.Check>>;
namespace XenAdmin.Wizards.PatchingWizard
{
public partial class PatchingWizard_PrecheckPage : XenTabPage
{
private static readonly log4net.ILog log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
private readonly object _lock = new object();
private readonly object _update_grid_lock = new object();
private BackgroundWorker _worker;
public List<Host> SelectedServers = new List<Host>();
public List<Problem> ProblemsResolvedPreCheck = new List<Problem>();
private AsyncAction resolvePrechecksAction;
protected List<Pool> SelectedPools
{
get
{
return SelectedServers.Select(host => Helpers.GetPoolOfOne(host.Connection)).Where(pool => pool != null).Distinct().ToList();
}
}
public XenServerPatchAlert UpdateAlert { private get; set; }
public WizardMode WizardMode { private get; set; }
public bool ApplyUpdatesToNewVersion { private get; set; }
public PatchingWizard_PrecheckPage()
{
InitializeComponent();
dataGridView1.BackgroundColor = dataGridView1.DefaultCellStyle.BackColor;
}
public override string PageTitle
{
get
{
return Messages.PATCHINGWIZARD_PRECHECKPAGE_TITLE;
}
}
public override string Text
{
get
{
return Messages.PATCHINGWIZARD_PRECHECKPAGE_TEXT;
}
}
public override string HelpID
{
get { return "UpdatePrechecks"; }
}
void Connection_ConnectionStateChanged(object sender, EventArgs e)
{
Program.Invoke(this, RefreshRechecks);
}
private void RegisterEventHandlers()
{
foreach (Host selectedServer in SelectedServers)
{
selectedServer.Connection.ConnectionStateChanged += Connection_ConnectionStateChanged;
}
}
private void DeregisterEventHandlers()
{
foreach (Host selectedServer in SelectedServers)
{
selectedServer.Connection.ConnectionStateChanged -= Connection_ConnectionStateChanged;
}
}
public override void PageLoaded(PageLoadedDirection direction)
{
base.PageLoaded(direction);
try
{
RegisterEventHandlers();
if (direction == PageLoadedDirection.Back)
return;
if (WizardMode == WizardMode.AutomatedUpdates)
{
labelPrechecksFirstLine.Text = Messages.PATCHINGWIZARD_PRECHECKPAGE_FIRSTLINE_AUTOMATED_UPDATES_MODE;
}
else
{
string patchName = null;
if (Patch != null)
patchName = Patch.Name();
if (PoolUpdate != null)
patchName = PoolUpdate.Name();
labelPrechecksFirstLine.Text = patchName != null
? string.Format(Messages.PATCHINGWIZARD_PRECHECKPAGE_FIRSTLINE, patchName)
: Messages.PATCHINGWIZARD_PRECHECKPAGE_FIRSTLINE_NO_PATCH_NAME;
}
RefreshRechecks();
}
catch (Exception e)
{
log.Error(e, e);
throw;//better throw an exception rather than closing the wizard suddenly and silently
}
}
public override void SelectDefaultControl()
{
dataGridView1.Select();
}
protected void RefreshRechecks()
{
_worker = null;
_worker = new BackgroundWorker();
_worker.DoWork += worker_DoWork;
_worker.WorkerReportsProgress = true;
_worker.WorkerSupportsCancellation = true;
_worker.ProgressChanged += worker_ProgressChanged;
_worker.RunWorkerCompleted += _worker_RunWorkerCompleted;
if (Patch != null)
_worker.RunWorkerAsync(Patch);
else
_worker.RunWorkerAsync(PoolUpdate);
}
private void _worker_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
if (!e.Cancelled)
{
progressBar1.Value = 100;
labelProgress.Text = string.Empty;
OnPageUpdated();
}
}
private void AddRowToGridView(DataGridViewRow row)
{
lock (_update_grid_lock)
{
dataGridView1.Rows.Add(row);
}
}
private void worker_ProgressChanged(object sender, ProgressChangedEventArgs e)
{
try
{
PreCheckHostRow rowHost = e.UserState as PreCheckHostRow;
if (rowHost != null)
{
if (checkBoxViewPrecheckFailuresOnly.Checked && rowHost.Problem != null || !checkBoxViewPrecheckFailuresOnly.Checked)
AddRowToGridView(rowHost);
}
else
{
var row = e.UserState as DataGridViewRow;
if (row != null && !dataGridView1.Rows.Contains(row))
{
AddRowToGridView(row);
}
}
progressBar1.Value = e.ProgressPercentage;
}
catch (Exception) { }
}
private bool IsCheckInProgress
{
get { return _worker != null && _worker.IsBusy; }
}
private bool IsResolveActionInProgress
{
get { return resolvePrechecksAction != null && !resolvePrechecksAction.IsCompleted; }
}
private List<PreCheckHostRow> ExecuteCheck(Check check)
{
var rows = new List<PreCheckHostRow>();
var problems = check.RunAllChecks();
if (problems.Count == 0)
{
rows.Add(new PreCheckHostRow(check));
return rows;
}
foreach (var pr in problems)
{
var problem = pr; // we need this line because we sometimes reassign it below
if (problem is HostNotLive)
{
// this host is no longer live -> remove all previous problems regarding this host
Problem curProblem = problem;
ProblemsResolvedPreCheck.RemoveAll(p => p.Check.Host == curProblem.Check.Host);
}
if (ProblemsResolvedPreCheck.Contains(problem))
{
Problem curProblem = problem;
problem = ProblemsResolvedPreCheck.Find(p => p.Equals(curProblem));
}
else
ProblemsResolvedPreCheck.Add(problem);
rows.Add(new PreCheckHostRow(problem));
}
return rows;
}
private void worker_DoWork(object sender, DoWorkEventArgs e)
{
lock (_lock)
{
_worker.ReportProgress(0, null);
Program.Invoke(this, () =>
{
dataGridView1.Rows.Clear();
labelProgress.Text = Messages.PATCHING_WIZARD_RUNNING_PRECHECKS;
OnPageUpdated();
});
Pool_patch patch = e.Argument as Pool_patch;
Pool_update update = e.Argument as Pool_update;
LivePatchCodesByHost = new Dictionary<string, livepatch_status>();
// Note: represent the groups as list so as to enforce the order of checks;
// a dictionary that looks sensible from a first look is not guranteed to
// keep the order, especially if items are removed (although not the case here)
var groups = update != null ? GenerateChecks(update) : GenerateChecks(patch); //patch is expected to be null for RPU
int totalChecks = groups.Sum(c => c.Value == null ? 0 : c.Value.Count);
int doneCheckIndex = 0;
foreach (var group in groups)
{
if (_worker.CancellationPending)
{
e.Cancel = true;
return;
}
var headerRow = new PreCheckHeaderRow(string.Format(Messages.PATCHING_WIZARD_PRECHECK_STATUS, group.Key));
//multiply with 100 first, otherwise the quotient is 0
_worker.ReportProgress(doneCheckIndex*100/totalChecks, headerRow);
PreCheckResult precheckResult = PreCheckResult.OK;
var checks = group.Value;
foreach (var check in checks)
{
if (_worker.CancellationPending)
{
e.Cancel = true;
return;
}
var rows = ExecuteCheck(check);
doneCheckIndex++;
foreach (PreCheckHostRow row in rows)
{
if (precheckResult != PreCheckResult.Failed && row.Problem != null)
precheckResult = row.PrecheckResult;
//multiply with 100 first, otherwise the quotient is 0
_worker.ReportProgress(doneCheckIndex*100/totalChecks, row);
}
}
lock (_update_grid_lock)
{
headerRow.UpdateDescription(precheckResult);
}
}
}
}
public Dictionary<string, livepatch_status> LivePatchCodesByHost
{
get;
set;
}
protected virtual List<CheckGroup> GenerateCommonChecks(List<Host> applicableServers)
{
var groups = new List<CheckGroup>();
//XenCenter version check
if (UpdateAlert != null && UpdateAlert.NewServerVersion != null)
groups.Add(new CheckGroup(Messages.CHECKING_XENCENTER_VERSION, new List<Check> {new XenCenterVersionCheck(UpdateAlert.NewServerVersion)}));
//HostLivenessCheck checks
var livenessChecks = new List<Check>();
foreach (Host host in applicableServers)
livenessChecks.Add(new HostLivenessCheck(host));
groups.Add(new CheckGroup(Messages.CHECKING_HOST_LIVENESS_STATUS, livenessChecks));
//HA checks
var haChecks = new List<Check>();
foreach (Host host in SelectedServers)
{
if (Helpers.HostIsMaster(host))
haChecks.Add(new HAOffCheck(host));
}
groups.Add(new CheckGroup(Messages.CHECKING_HA_STATUS, haChecks));
//PBDsPluggedCheck
var pbdChecks = new List<Check>();
foreach (Host host in applicableServers)
pbdChecks.Add(new PBDsPluggedCheck(host));
groups.Add(new CheckGroup(Messages.CHECKING_STORAGE_CONNECTIONS_STATUS, pbdChecks));
//Disk space check for automated updates
if (WizardMode != WizardMode.SingleUpdate)
{
var diskChecks = new List<Check>();
foreach (Pool pool in SelectedPools)
{
//if any host is not licensed for automated updates
bool automatedUpdatesRestricted = pool.Connection.Cache.Hosts.Any(Host.RestrictBatchHotfixApply);
var us = WizardMode == WizardMode.NewVersion
? Updates.GetUpgradeSequence(pool.Connection, UpdateAlert, ApplyUpdatesToNewVersion && !automatedUpdatesRestricted)
: Updates.GetUpgradeSequence(pool.Connection);
log.InfoFormat("Minimal patches for {0}: {1}", pool.Name(), us != null && us.MinimalPatches != null ? string.Join(",", us.MinimalPatches.Select(p => p.Name)) : "");
if (us == null)
continue;
bool elyOrGreater = Helpers.ElyOrGreater(pool.Connection);
foreach (Host host in us.Keys)
{
diskChecks.Add(
new DiskSpaceForAutomatedUpdatesCheck(
host,
elyOrGreater
? us[host].Sum(p => p.InstallationSize) // all updates on this host
: host.IsMaster()
? us[host].Sum(p => p.InstallationSize) + us.Values.SelectMany(a => a).Max(p => p.InstallationSize) // master: all updates on master + largest update in pool
: us[host].Sum(p => p.InstallationSize) + us[host].Max(p => p.InstallationSize) // non-master: all updates on this host + largest on this host
));
}
}
groups.Add(new CheckGroup(Messages.PATCHINGWIZARD_PRECHECKPAGE_CHECKING_DISK_SPACE, diskChecks));
}
//Checking reboot required and can evacuate host for version updates
if (WizardMode == WizardMode.NewVersion && UpdateAlert != null && UpdateAlert.Patch != null && UpdateAlert.Patch.after_apply_guidance == after_apply_guidance.restartHost)
{
var guidance = new List<after_apply_guidance> {UpdateAlert.Patch.after_apply_guidance};
var rebootChecks = new List<Check>();
foreach (var host in SelectedServers)
rebootChecks.Add(new HostNeedsRebootCheck(host, guidance, LivePatchCodesByHost));
groups.Add(new CheckGroup(Messages.CHECKING_SERVER_NEEDS_REBOOT, rebootChecks));
var evacuateChecks = new List<Check>();
foreach (Host host in SelectedServers)
evacuateChecks.Add(new AssertCanEvacuateCheck(host, LivePatchCodesByHost));
groups.Add(new CheckGroup(Messages.CHECKING_CANEVACUATE_STATUS, evacuateChecks));
}
return groups;
}
protected virtual List<CheckGroup> GenerateChecks(Pool_patch patch)
{
List<Host> applicableServers = patch != null ? SelectedServers.Where(h => patch.AppliedOn(h) == DateTime.MaxValue).ToList() : SelectedServers;
var groups = GenerateCommonChecks(applicableServers);
//Checking other things
if (patch != null)
{
var serverChecks = new List<Check>();
foreach (Host host in SelectedServers)
{
List<Pool_patch> poolPatches = new List<Pool_patch>(host.Connection.Cache.Pool_patches);
Pool_patch poolPatchFromHost = poolPatches.Find(otherPatch => string.Equals(otherPatch.uuid, patch.uuid, StringComparison.OrdinalIgnoreCase));
serverChecks.Add(new PatchPrecheckCheck(host, poolPatchFromHost, LivePatchCodesByHost));
}
groups.Add(new CheckGroup(Messages.CHECKING_SERVER_SIDE_STATUS, serverChecks));
}
//Checking if the host needs a reboot
if (WizardMode == WizardMode.SingleUpdate)
{
var rebootChecks = new List<Check>();
var guidance = patch != null
? patch.after_apply_guidance
: new List<after_apply_guidance> {after_apply_guidance.restartHost};
foreach (var host in applicableServers)
rebootChecks.Add(new HostNeedsRebootCheck(host, guidance, LivePatchCodesByHost));
groups.Add(new CheckGroup(Messages.CHECKING_SERVER_NEEDS_REBOOT, rebootChecks));
}
//Checking can evacuate host
//CA-97061 - evacuate host -> suspended VMs. This is only needed for restartHost
//Also include this check for the supplemental packs (patch == null), as their guidance is restartHost
if (WizardMode != WizardMode.NewVersion && (patch == null || patch.after_apply_guidance.Contains(after_apply_guidance.restartHost)))
{
var evacuateChecks = new List<Check>();
foreach (Host host in applicableServers)
evacuateChecks.Add(new AssertCanEvacuateCheck(host, LivePatchCodesByHost));
groups.Add(new CheckGroup(Messages.CHECKING_CANEVACUATE_STATUS, evacuateChecks));
}
if (patch != null || WizardMode == WizardMode.AutomatedUpdates)
{
var restartChecks = new List<Check>();
foreach (var pool in SelectedPools)
restartChecks.Add(new RestartHostOrToolstackPendingOnMasterCheck(pool, WizardMode == WizardMode.AutomatedUpdates ? null : patch.uuid));
groups.Add(new CheckGroup(Messages.CHECKING_FOR_PENDING_RESTART, restartChecks));
}
return groups;
}
protected virtual List<CheckGroup> GenerateChecks(Pool_update update)
{
List<Host> applicableServers = update != null ? SelectedServers.Where(h => !update.AppliedOn(h)).ToList() : SelectedServers;
var groups = GenerateCommonChecks(applicableServers);
//Update Homogeneity check for InvernessOrGreater
if (update != null)
{
var homogeneityChecks = new List<Check>();
foreach (var pool in SelectedPools.Where(pool => Helpers.InvernessOrGreater(pool.Connection)))
homogeneityChecks.Add(new ServerSelectionCheck(pool, update, SelectedServers));
if (homogeneityChecks.Count > 0)
groups.Add(new CheckGroup(Messages.CHECKING_SERVER_SELECTION, homogeneityChecks));
}
//Checking other things
if (update != null)
{
var serverChecks = new List<Check>();
foreach (Host host in SelectedServers)
{
List<Pool_update> updates = new List<Pool_update>(host.Connection.Cache.Pool_updates);
Pool_update poolUpdateFromHost = updates.Find(otherPatch => string.Equals(otherPatch.uuid, update.uuid, StringComparison.OrdinalIgnoreCase));
serverChecks.Add(new PatchPrecheckCheck(host, poolUpdateFromHost, LivePatchCodesByHost));
}
groups.Add(new CheckGroup(Messages.CHECKING_SERVER_SIDE_STATUS, serverChecks));
}
//Checking if the host needs a reboot
if (WizardMode == WizardMode.SingleUpdate)
{
var rebootChecks = new List<Check>();
var guidance = update != null
? update.after_apply_guidance
: new List<update_after_apply_guidance> {update_after_apply_guidance.restartHost};
foreach (var host in applicableServers)
rebootChecks.Add(new HostNeedsRebootCheck(host, guidance, LivePatchCodesByHost));
groups.Add(new CheckGroup(Messages.CHECKING_SERVER_NEEDS_REBOOT, rebootChecks));
}
//Checking can evacuate host
if (update == null || update.after_apply_guidance.Contains(update_after_apply_guidance.restartHost))
{
var evacuateChecks = new List<Check>();
foreach (Host host in applicableServers)
evacuateChecks.Add(new AssertCanEvacuateCheck(host, LivePatchCodesByHost));
groups.Add(new CheckGroup(Messages.CHECKING_CANEVACUATE_STATUS, evacuateChecks));
}
if (update != null || WizardMode == WizardMode.AutomatedUpdates)
{
var restartChecks = new List<Check>();
foreach (var pool in SelectedPools)
restartChecks.Add(new RestartHostOrToolstackPendingOnMasterCheck(pool, WizardMode == WizardMode.AutomatedUpdates ? null : update.uuid));
groups.Add(new CheckGroup(Messages.CHECKING_FOR_PENDING_RESTART, restartChecks));
}
return groups;
}
[DefaultValue(true)]
protected bool ManualUpgrade { set; get; }
public override void PageCancelled()
{
DeregisterEventHandlers();
if (_worker != null)
_worker.CancelAsync();
if (resolvePrechecksAction != null && !resolvePrechecksAction.IsCompleted)
resolvePrechecksAction.Cancel();
}
protected override void PageLeaveCore(PageLoadedDirection direction, ref bool cancel)
{
DeregisterEventHandlers();
if (direction == PageLoadedDirection.Back && _worker != null)
{
_worker.CancelAsync();
_worker = null;
}
}
public override bool EnablePrevious()
{
return !IsCheckInProgress && !IsResolveActionInProgress;
}
public override bool EnableNext()
{
// CA-65508: if the problem cannot be solved immediately there's no point in
// enabling the Resolve All button
// CA-136211: Changed the code below to enable the Resolve All button only
// when there is at least one problem and all the problems have solution/fix.
bool problemsFound = false;
bool allFixable = true;
foreach (PreCheckGridRow row in dataGridView1.Rows)
{
PreCheckHostRow hostRow = row as PreCheckHostRow;
if (hostRow != null && hostRow.IsProblem)
{
problemsFound = true;
if (!hostRow.IsFixable)
{
allFixable = false;
break;
}
}
}
bool actionInProgress = IsResolveActionInProgress;
bool checkInProgress = IsCheckInProgress;
buttonResolveAll.Enabled = !actionInProgress && !checkInProgress && problemsFound && allFixable;
buttonReCheckProblems.Enabled = !actionInProgress && !checkInProgress;
checkBoxViewPrecheckFailuresOnly.Enabled = !actionInProgress && !checkInProgress;
labelProgress.Visible = actionInProgress || checkInProgress;
pictureBoxIssues.Visible = labelIssues.Visible = problemsFound && !actionInProgress && !checkInProgress;
return !checkInProgress && !actionInProgress && !problemsFound;
}
public UpdateType SelectedUpdateType { private get; set; }
public Pool_patch Patch { private get; set; }
public Pool_update PoolUpdate { private get; set; }
#region Nested classes and enums
internal enum PreCheckResult { OK, Info, Warning, Failed }
private abstract class PreCheckGridRow : XenAdmin.Controls.DataGridViewEx.DataGridViewExRow
{
protected DataGridViewImageCell _iconCell = new DataGridViewImageCell();
protected DataGridViewTextBoxCell _descriptionCell = new DataGridViewTextBoxCell();
protected DataGridViewCell _solutionCell = null;
protected PreCheckGridRow(DataGridViewCell solutionCell)
{
_solutionCell = solutionCell;
Cells.Add(_iconCell);
Cells.Add(_descriptionCell);
Cells.Add(_solutionCell);
}
}
private class PreCheckHeaderRow : PreCheckGridRow
{
private string description;
public PreCheckHeaderRow(string text)
: base(new DataGridViewTextBoxCell())
{
_iconCell.Value = new Bitmap(1, 1);
description = text;
_descriptionCell.Value = text;
_descriptionCell.Style.Font = new Font(Program.DefaultFont, FontStyle.Bold);
}
public void UpdateDescription(PreCheckResult precheckResult)
{
string result;
switch (precheckResult)
{
case PreCheckResult.OK:
result = Messages.GENERAL_STATE_OK;
break;
case PreCheckResult.Info:
result = Messages.INFORMATION;
break;
case PreCheckResult.Warning:
result = Messages.WARNING;
break;
default:
result = Messages.FAILED;
break;
}
_descriptionCell.Value = string.Format("{0} {1}", description, result);
}
}
private class PreCheckHostRow : PreCheckGridRow
{
private Problem _problem = null;
private Check _check = null;
public PreCheckHostRow(Problem problem)
: base(new DataGridViewTextBoxCell())
{
_problem = problem;
_check = problem.Check;
UpdateRowFields();
}
public PreCheckHostRow(Check check)
: base(new DataGridViewTextBoxCell())
{
_check = check;
UpdateRowFields();
}
public bool IsFixable
{
get
{
return Problem != null && Problem.IsFixable && !string.IsNullOrEmpty(this.Solution);
}
}
private void UpdateRowFields()
{
_iconCell.Value = Problem == null
? Images.GetImage16For(Icons.Ok)
: Problem.Image;
string description = string.Empty;
if (Problem != null)
description = Problem.Description;
else if (_check != null)
{
description = _check.SuccessfulCheckDescription;
if (string.IsNullOrEmpty(description))
description = _check.Host != null
? String.Format(Messages.PATCHING_WIZARD_HOST_CHECK_OK, _check.Host.Name(), _check.Description)
: String.Format(Messages.PATCHING_WIZARD_CHECK_OK, _check.Description);
}
if (description != string.Empty)
_descriptionCell.Value = String.Format(Messages.PATCHING_WIZARD_DESC_CELL_INDENT, null, description);
_solutionCell.Value = Problem == null ? string.Empty : Problem.HelpMessage;
if (Problem is WarningWithInformationUrl)
_solutionCell.Value = (Problem as WarningWithInformationUrl).LinkText;
if (Problem is ProblemWithInformationUrl)
_solutionCell.Value = (Problem as ProblemWithInformationUrl).LinkText;
UpdateSolutionCellStyle();
}
private void UpdateSolutionCellStyle()
{
if (_solutionCell == null)
return;
if (Enabled)
{
_solutionCell.Style.Font = new Font(Program.DefaultFont, FontStyle.Underline);
_solutionCell.Style.ForeColor = Color.Blue;
}
else
_solutionCell.Style = DefaultCellStyle;
}
public Problem Problem
{
get
{
return _problem;
}
}
public string Solution
{
get { return (string)_solutionCell.Value; }
}
public bool IsProblem
{
get { return _problem != null && !(_problem is Warning); }
}
public PreCheckResult PrecheckResult
{
get
{
if (Problem == null)
return PreCheckResult.OK;
if (_problem is Information)
return PreCheckResult.Info;
if (_problem is Warning)
return PreCheckResult.Warning;
return PreCheckResult.Failed;
}
}
public override bool Equals(object obj)
{
PreCheckHostRow other = obj as PreCheckHostRow;
if (other != null && other.Problem != null && _problem != null)
return _problem.CompareTo(other.Problem) == 0;
return false;
}
public override int GetHashCode()
{
return (_problem != null ? _problem.GetHashCode() : 0);
}
public override bool Enabled
{
get
{
return base.Enabled;
}
set
{
base.Enabled = value;
UpdateSolutionCellStyle();
}
}
}
#endregion
private void dataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e)
{
PreCheckHostRow preCheckHostRow = dataGridView1.Rows[e.RowIndex] as PreCheckHostRow;
if (preCheckHostRow != null && preCheckHostRow.Enabled && e.ColumnIndex == 2)
{
ExecuteSolution(preCheckHostRow);
}
}
private void dataGridView1_KeyPress(object sender, KeyPressEventArgs e)
{
if (e.KeyChar == (char)Keys.Enter && dataGridView1.CurrentCell != null)
{
PreCheckHostRow preCheckHostRow = dataGridView1.CurrentCell.OwningRow as PreCheckHostRow;
int columnIndex = dataGridView1.CurrentCell.ColumnIndex;
if (preCheckHostRow != null && preCheckHostRow.Enabled && columnIndex == 2)
ExecuteSolution(preCheckHostRow);
}
}
private void ExecuteSolution(PreCheckHostRow preCheckHostRow)
{
bool cancelled;
resolvePrechecksAction = preCheckHostRow.Problem.SolveImmediately(out cancelled);
if (resolvePrechecksAction != null)
{
// disable all problems
foreach (DataGridViewRow row in dataGridView1.Rows)
{
PreCheckHostRow preCheckRow = row as PreCheckHostRow;
if (preCheckRow != null && preCheckRow.Problem != null)
{
preCheckRow.Enabled = false;
}
}
StartResolvePrechecksAction();
}
else
{
if (preCheckHostRow.Problem is WarningWithInformationUrl)
(preCheckHostRow.Problem as WarningWithInformationUrl).LaunchUrlInBrowser();
else if (preCheckHostRow.Problem is ProblemWithInformationUrl)
(preCheckHostRow.Problem as ProblemWithInformationUrl).LaunchUrlInBrowser();
else if (!cancelled)
using (var dlg = new ThreeButtonDialog(new ThreeButtonDialog.Details(SystemIcons.Information,
string.Format(Messages.PATCHING_WIZARD_SOLVE_MANUALLY, preCheckHostRow.Problem.Description).Replace("\\n", "\n"),
Messages.PATCHINGWIZARD_PRECHECKPAGE_TEXT)))
{
dlg.ShowDialog(this);
}
}
}
private void buttonReCheckProblems_Click(object sender, EventArgs e)
{
RefreshRechecks();
}
private void buttonResolveAll_Click(object sender, EventArgs e)
{
List<AsyncAction> actions = new List<AsyncAction>();
foreach (DataGridViewRow row in dataGridView1.Rows)
{
PreCheckHostRow preCheckHostRow = row as PreCheckHostRow;
if (preCheckHostRow != null && preCheckHostRow.Problem != null)
{
bool cancelled;
AsyncAction action = preCheckHostRow.Problem.SolveImmediately(out cancelled);
if (action != null)
{
preCheckHostRow.Enabled = false;
actions.Add(action);
}
}
}
resolvePrechecksAction = new ParallelAction(Messages.PATCHINGWIZARD_PRECHECKPAGE_RESOLVING_ALL, Messages.PATCHINGWIZARD_PRECHECKPAGE_RESOLVING_ALL, Messages.COMPLETED, actions, true, false);
StartResolvePrechecksAction();
}
private void resolvePrecheckAction_Changed(object sender)
{
var action = sender as AsyncAction;
if (action == null)
return;
Program.Invoke(this, () => UpdateActionProgress(action));
}
private void resolvePrecheckAction_Completed(object sender)
{
var action = sender as AsyncAction;
if (action == null)
return;
action.Changed -= resolvePrecheckAction_Changed;
action.Completed -= resolvePrecheckAction_Completed;
Program.Invoke(this, RefreshRechecks);
}
private void StartResolvePrechecksAction()
{
if (resolvePrechecksAction == null)
return;
resolvePrechecksAction.Changed += resolvePrecheckAction_Changed;
resolvePrechecksAction.Completed += resolvePrecheckAction_Completed;
resolvePrechecksAction.RunAsync();
UpdateActionProgress(resolvePrechecksAction);
OnPageUpdated();
}
private void UpdateActionProgress(AsyncAction action)
{
progressBar1.Value = action == null ? 0 : action.PercentComplete;
labelProgress.Text = action == null ? string.Empty : action.Description;
}
private void checkBox1_CheckedChanged(object sender, EventArgs e)
{
RefreshRechecks();
}
private void dataGridView1_CellMouseMove(object sender, DataGridViewCellMouseEventArgs e)
{
PreCheckHostRow preCheckHostRow = dataGridView1.Rows[e.RowIndex] as PreCheckHostRow;
if (preCheckHostRow != null && preCheckHostRow.Enabled && e.ColumnIndex == 2 && !string.IsNullOrEmpty(preCheckHostRow.Solution))
Cursor = Cursors.Hand;
else
Cursor = Cursors.Arrow;
}
}
}