Theodor-Springmann-Stiftung/hamann-ausgabe-core
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Locking whil SyntaxCheck

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This commit is contained in:
Simon Martens
2025-09-30 21:00:44 +02:00
parent 4d26bee2ba
commit 5f545bafc9
4 changed files with 26 additions and 20 deletions
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18
HaWeb/Controllers/APIController.cs
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@@ -36,6 +36,7 @@ public class APIController : Controller {
// Options
private static readonly FormOptions _defaultFormOptions = new FormOptions();
private static readonly SemaphoreSlim _syntaxCheckLock = new SemaphoreSlim(1, 1);
public APIController(IHaDocumentWrappper lib, IXMLInteractionService xmlService, IXMLFileProvider xmlProvider) {
@@ -78,12 +79,21 @@ public class APIController : Controller {
// [ValidateAntiForgeryToken]
[DisableFormValueModelBinding]
[FeatureGate(Features.SyntaxCheck, Features.AdminService)]
public ActionResult<Dictionary<string, SyntaxCheckModel>?> GetSyntaxCheck(string? id) {
public async Task<ActionResult<Dictionary<string, SyntaxCheckModel>?>> GetSyntaxCheck(string? id) {
var SCCache = _xmlService.GetSCCache();
if (_xmlProvider.HasChanged() || SCCache == null) {
var commit = _xmlProvider.GetGitState();
SCCache = _xmlService.Test(_xmlService.GetState(), commit != null ? commit.Commit : string.Empty);
_xmlService.SetSCCache(SCCache);
await _syntaxCheckLock.WaitAsync();
try {
// Double-check after acquiring lock
SCCache = _xmlService.GetSCCache();
if (_xmlProvider.HasChanged() || SCCache == null) {
var commit = _xmlProvider.GetGitState();
SCCache = _xmlService.Test(_xmlService.GetState(), commit != null ? commit.Commit : string.Empty);
_xmlService.SetSCCache(SCCache);
}
} finally {
_syntaxCheckLock.Release();
}
}
return Ok(SCCache);
}