private static async Task Launch(IHtmlHelper htmlHelper)
{
// Only one thread can execute this at a time
await ExtensionSemaphoreSlim.WaitAsync();
try
{
await ExtensionHandler.LoadAppExtensions(htmlHelper);
}
finally
{
ExtensionSemaphoreSlim.Release();
}
}
private static async Task HandleChangedAppExtensions(IHtmlHelper htmlHelper)
{
// Just an extra check so that unnecessary semaphore is avoided
if (ExtensionWatcher.CmsExtensionWatcherFailed || ExtensionWatcher.ContentExtensionWatcherFailed ||
ExtensionWatcher.CmsChangedExtensionUrls.Count > 0 || ExtensionWatcher.ContentChangedExtensionUrls.Count > 0)
{
await ExtensionSemaphoreSlim.WaitAsync();
// Only one thread can execute this at a time
try
{
if (ExtensionWatcher.CmsExtensionWatcherFailed || ExtensionWatcher.ContentExtensionWatcherFailed)
{
await ExtensionHandler.LoadAppExtensions(htmlHelper);
ExtensionWatcher.CmsExtensionWatcherFailed = false;
ExtensionWatcher.ContentExtensionWatcherFailed = false;
ExtensionWatcher.CmsChangedExtensionUrls.Clear();
ExtensionWatcher.ContentChangedExtensionUrls.Clear();
}
foreach (var extUrl in ExtensionWatcher.CmsChangedExtensionUrls)
{
await ExtensionHandler.LoadAppExtension(extUrl, htmlHelper);
}
foreach (var extUrl in ExtensionWatcher.ContentChangedExtensionUrls)
{
await ExtensionHandler.LoadAppExtension(extUrl, htmlHelper);
}
ExtensionWatcher.CmsChangedExtensionUrls.Clear();
ExtensionWatcher.ContentChangedExtensionUrls.Clear();
}
finally
{
ExtensionSemaphoreSlim.Release();
}
}
}