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Code Issues Releases Wiki Activity

UI - Attempt to fix a deadlock when running multiple instances

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This commit is contained in:
Robert 2021-06-09 23:04:42 +02:00
parent 3f8d0311fc
commit 38c04913e2
1 changed files with 68 additions and 51 deletions
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119
src/Artemis.UI/ApplicationStateManager.cs
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@ -7,10 +7,8 @@ using System.Net.Http;
using System.Reflection;
using System.Security.Principal;
using System.Threading;
using System.Threading.Tasks;
using System.Windows;
using Artemis.Core;
using Artemis.UI.Screens;
using Artemis.UI.Utilities;
using Ninject;
using Ookii.Dialogs.Wpf;
@ -44,30 +42,82 @@ namespace Artemis.UI
if (createdNew)
return false;
try
{
// Blocking is required here otherwise Artemis shuts down before the remote call gets a chance to finish
RemoteFocus().GetAwaiter().GetResult();
}
catch (Exception)
{
// Not much could go wrong here but this code runs so early it'll crash if something does go wrong
return true;
}
return true;
return RemoteFocus();
}
private async Task RemoteFocus()
public void DisplayException(Exception e)
{
using TaskDialog dialog = new();
AssemblyInformationalVersionAttribute versionAttribute = typeof(ApplicationStateManager).Assembly.GetCustomAttribute<AssemblyInformationalVersionAttribute>();
dialog.WindowTitle = $"Artemis {versionAttribute?.InformationalVersion} build {Constants.BuildInfo.BuildNumberDisplay}";
dialog.MainInstruction = "Unfortunately Artemis ran into an unhandled exception and cannot continue.";
dialog.Content = e.Message;
dialog.ExpandedInformation = e.StackTrace.Trim();
dialog.CollapsedControlText = "Show stack trace";
dialog.ExpandedControlText = "Hide stack trace";
dialog.Footer = "If this keeps happening check out the <a href=\"https://wiki.artemis-rgb.com\">wiki</a> or hit us up on <a href=\"https://discord.gg/S3MVaC9\">Discord</a>.";
dialog.FooterIcon = TaskDialogIcon.Error;
dialog.EnableHyperlinks = true;
dialog.HyperlinkClicked += OpenHyperlink;
TaskDialogButton copyButton = new("Copy stack trace");
TaskDialogButton closeButton = new("Close") {Default = true};
dialog.Buttons.Add(copyButton);
dialog.Buttons.Add(closeButton);
dialog.ButtonClicked += (_, args) =>
{
if (args.Item == copyButton)
{
Clipboard.SetText(e.ToString());
args.Cancel = true;
}
};
dialog.ShowDialog(Application.Current.MainWindow);
}
private bool RemoteFocus()
{
// At this point we cannot read the database yet to retrieve the web server port.
// Instead use the method external applications should use as well.
if (!File.Exists(Path.Combine(Constants.DataFolder, "webserver.txt")))
return;
{
KillOtherInstances();
return false;
}
string url = await File.ReadAllTextAsync(Path.Combine(Constants.DataFolder, "webserver.txt"));
string url = File.ReadAllText(Path.Combine(Constants.DataFolder, "webserver.txt"));
using HttpClient client = new();
await client.PostAsync(url + "remote/bring-to-foreground", null!);
try
{
HttpResponseMessage httpResponseMessage = client.Send(new HttpRequestMessage(HttpMethod.Post, url + "remote/bring-to-foreground"));
httpResponseMessage.EnsureSuccessStatusCode();
return true;
}
catch (Exception)
{
KillOtherInstances();
return false;
}
}
private void KillOtherInstances()
{
// Kill everything else heh
List<Process> processes = Process.GetProcessesByName("Artemis.UI").Where(p => p.Id != Process.GetCurrentProcess().Id).ToList();
foreach (Process process in processes)
{
try
{
process.Kill(true);
}
catch (Exception)
{
// ignored
}
}
}
private void UtilitiesOnRestartRequested(object sender, RestartEventArgs e)
@ -134,39 +184,6 @@ namespace Artemis.UI
Execute.OnUIThread(() => Application.Current.Shutdown());
}
public void DisplayException(Exception e)
{
using TaskDialog dialog = new();
AssemblyInformationalVersionAttribute versionAttribute = typeof(ApplicationStateManager).Assembly.GetCustomAttribute<AssemblyInformationalVersionAttribute>();
dialog.WindowTitle = $"Artemis {versionAttribute?.InformationalVersion} build {Constants.BuildInfo.BuildNumberDisplay}";
dialog.MainInstruction = "Unfortunately Artemis ran into an unhandled exception and cannot continue.";
dialog.Content = e.Message;
dialog.ExpandedInformation = e.StackTrace.Trim();
dialog.CollapsedControlText = "Show stack trace";
dialog.ExpandedControlText = "Hide stack trace";
dialog.Footer = "If this keeps happening check out the <a href=\"https://wiki.artemis-rgb.com\">wiki</a> or hit us up on <a href=\"https://discord.gg/S3MVaC9\">Discord</a>.";
dialog.FooterIcon = TaskDialogIcon.Error;
dialog.EnableHyperlinks = true;
dialog.HyperlinkClicked += OpenHyperlink;
TaskDialogButton copyButton = new("Copy stack trace");
TaskDialogButton closeButton = new("Close") {Default = true};
dialog.Buttons.Add(copyButton);
dialog.Buttons.Add(closeButton);
dialog.ButtonClicked += (_, args) =>
{
if (args.Item == copyButton)
{
Clipboard.SetText(e.ToString());
args.Cancel = true;
}
};
dialog.ShowDialog(Application.Current.MainWindow);
}
private void OpenHyperlink(object sender, HyperlinkClickedEventArgs e)
{
ProcessStartInfo processInfo = new()