public async ValueTask WatchObjectChangesAsync <T>(string url, CancellationToken cancellationToken, IKubernetesWatcher <T> watcher) where T : new() { if (string.IsNullOrWhiteSpace(url)) { throw new ArgumentNullException(nameof(url)); } if (watcher == null) { throw new ArgumentNullException(nameof(watcher)); } using (var stream = await StreamAsync(url)) { using (cancellationToken.Register(() => stream.Dispose())) { using (var streamReader = new StreamReader(stream)) { try { var line = default(string); while ((line = await streamReader.ReadLineAsync().ConfigureAwait(false)) != null) { var ms = new MemoryStream(Encoding.UTF8.GetBytes(line)); var item = await JsonSerializer.DeserializeAsync <Watch <T> >(ms, this.serializerOptions); if (item != null) { await watcher.Change(item).ConfigureAwait(false); } } } catch (IOException) { } // TODO: Check if this happens always or only at tests catch (ObjectDisposedException) { // If cancellation signs the end of reading operation we need to swallow it } catch (OperationCanceledException) { // If cancellation signs the end of reading operation we need to swallow it } catch (Exception ex) { await watcher.Error(ex).ConfigureAwait(false); } } } } }
public async Task WatchObjectChangesAsync <T>(string url, CancellationToken cancellationToken, IKubernetesWatcher <T> watcher) where T : new() { if (string.IsNullOrWhiteSpace(url)) { throw new ArgumentNullException(nameof(url)); } if (watcher == null) { throw new ArgumentNullException(nameof(watcher)); } using (var stream = await StreamAsync(url)) { using (cancellationToken.Register(() => stream.Dispose())) { using (var streamReader = new StreamReader(stream)) { try { var line = default(string); while ((line = await streamReader.ReadLineAsync().ConfigureAwait(false)) != null) { var item = JsonConvert.DeserializeObject <Watch <T> >(line); if (item != null) { await watcher.Change(item).ConfigureAwait(false); } } } catch (ObjectDisposedException) { // If cancellation signs the end of reading operation we need to swallow it } catch (OperationCanceledException) { // If cancellation signs the end of reading operation we need to swallow it } catch (Exception ex) { await watcher.Error(ex).ConfigureAwait(false); } } } } }