/// <summary> /// Internet Control Message Protocol (ICMP) echo message 를 비동기적으로 보냅니다. /// </summary> private static Task <PingReply> SendTaskCore(Ping ping, object userToken, Action <TaskCompletionSource <PingReply> > sendAsync) { ping.ShouldNotBeNull("ping"); sendAsync.ShouldNotBeNull("sendAsync"); if (IsDebugEnabled) { log.Debug("Ping 작업을 비동기적으로 수행하는 Task를 생성합니다..."); } var tcs = new TaskCompletionSource <PingReply>(userToken); PingCompletedEventHandler handler = null; handler = (sender, e) => EventAsyncPattern.HandleCompletion(tcs, e, () => e.Reply, () => ping.PingCompleted -= handler); ping.PingCompleted += handler; try { sendAsync(tcs); } catch (Exception ex) { ping.PingCompleted -= handler; tcs.TrySetException(ex); } return(tcs.Task); }
private static Task <bool> SendTaskInternal(SmtpClient client, CancellationToken token, object userToken, Action <TaskCompletionSource <bool> > sendAsyncAction) { client.ShouldNotBeNull("client"); sendAsyncAction.ShouldNotBeNull("sendAsyncAction"); if (IsDebugEnabled) { log.Debug("SmtpClient를 이용하여 비동기방식으로 메일을 발송합니다... SmtpHost=[{0}]", client.Host); } var tcs = new TaskCompletionSource <bool>(userToken); token.Register(client.SendAsyncCancel); SendCompletedEventHandler handler = null; handler = (s, e) => EventAsyncPattern.HandleCompletion(tcs, e, () => (e.Cancelled == false && e.Error != null), () => client.SendCompleted -= handler); client.SendCompleted += handler; try { sendAsyncAction(tcs); } catch (Exception ex) { client.SendCompleted -= handler; tcs.TrySetException(ex); } return(tcs.Task); }
/// <summary> /// <paramref name="address"/>에 <paramref name="data"/> 문자열을 전송합니다. (HTTP나 FTP나 같습니다) /// </summary> /// <param name="webClient"><see cref="WebClient"/> 인스턴스</param> /// <param name="address">전송할 주소</param> /// <param name="method">전송 방법 (HTTP는 POST, FTP는 STOR)</param> /// <param name="data">전송할 문자열</param> /// <returns></returns> public static Task <string> UploadStringTask(this WebClient webClient, Uri address, string method, string data) { webClient.ShouldNotBeNull("webClient"); address.ShouldNotBeNull("address"); // data.ShouldNotBeEmpty("data"); if (IsDebugEnabled) { log.Debug("지정된 주소에 문자열을 비동기 Upload합니다... address=[{0}], method=[{1}], data=[{2}]", address.AbsoluteUri, method, data.EllipsisChar(255)); } var tcs = new TaskCompletionSource <string>(address); UploadStringCompletedEventHandler handler = null; handler = (s, e) => EventAsyncPattern.HandleCompletion(tcs, e, () => e.Result, () => webClient.UploadStringCompleted -= handler); webClient.UploadStringCompleted += handler; try { webClient.UploadStringAsync(address, method, data, tcs); } catch (Exception ex) { if (log.IsWarnEnabled) { log.Warn("WebClient를 이용하여 문자열을 비동기 Upload 하는데 실패했습니다. address=[{0}]", address.AbsoluteUri); log.Warn(ex); } webClient.UploadStringCompleted -= handler; tcs.TrySetException(ex); } return(tcs.Task); }
/// <summary> /// <paramref name="address"/>에 <paramref name="data"/>를 비동기적으로 전송합니다. /// </summary> /// <param name="webClient"></param> /// <param name="address">데이타를 전송할 주소</param> /// <param name="method">데이타 전송 방법 (HTTP는 POST, FTP는 STOR)</param> /// <param name="data">전송할 데이타</param> /// <returns></returns> public static Task <byte[]> UploadDataTask(this WebClient webClient, Uri address, string method, byte[] data) { webClient.ShouldNotBeNull("webClient"); address.ShouldNotBeNull("address"); data.ShouldNotBeNull("data"); if (IsDebugEnabled) { log.Debug("지정된 주소에 데이타를 비동기 방식으로 전송합니다... address=[{0}], method=[{1}]", address.AbsoluteUri, method); } var tcs = new TaskCompletionSource <byte[]>(address); UploadDataCompletedEventHandler handler = null; handler = (s, e) => EventAsyncPattern.HandleCompletion(tcs, e, () => e.Result, () => webClient.UploadDataCompleted -= handler); webClient.UploadDataCompleted += handler; try { webClient.UploadDataAsync(address, method ?? "POST", data, tcs); } catch (Exception ex) { if (log.IsWarnEnabled) { log.Warn("WebClient를 이용하여 데이타를 비동기 전송에 실패했습니다. address=[{0}]" + address.AbsoluteUri); log.Warn(ex); } webClient.UploadDataCompleted -= handler; tcs.TrySetException(ex); } return(tcs.Task); }
/// <summary> /// <paramref name="address"/>의 리소스를 비동기적으로 다운받아 byte array로 반환하는 Task{byte[]}를 빌드합니다. /// </summary> /// <param name="webClient"><see cref="WebClient"/> 인스턴스</param> /// <param name="token">작업 취소를 위한 Token</param> /// <param name="address">리소스 위치</param> /// <returns></returns> public static Task <byte[]> DownloadDataTask(this WebClient webClient, CancellationToken token, Uri address) { webClient.ShouldNotBeNull("webClient"); token.ShouldNotBeNull("token"); address.ShouldNotBeNull("address"); if (IsDebugEnabled) { log.Debug("WebClient를 이용하여 지정된 주소로부터 리소스를 비동기 방식으로 다운받습니다... address=[{0}]", address.AbsoluteUri); } var tcs = new TaskCompletionSource <byte[]>(address); token.Register(webClient.CancelAsync); // 비동기 완료 시의 처리를 정의합니다. DownloadDataCompletedEventHandler handler = null; handler = (sender, args) => EventAsyncPattern.HandleCompletion(tcs, args, () => args.Result, () => webClient.DownloadDataCompleted -= handler); webClient.DownloadDataCompleted += handler; try { webClient.DownloadDataAsync(address, tcs); } catch (Exception ex) { if (log.IsWarnEnabled) { log.Warn("WebClient를 이용하여 리소스 Data를 비동기적으로 다운받는데 실패했습니다. address=[{0}]", address.AbsoluteUri); log.Warn(ex); } webClient.DownloadDataCompleted -= handler; tcs.TrySetException(ex); } var result = tcs.Task; if (result.IsCompleted) { result = result.ContinueWith(antecedent => DecompressByContentEncoding(webClient, antecedent.Result), TaskContinuationOptions.ExecuteSynchronously); } return(result); }
/// <summary> /// <paramref name="address"/>에 비동기적으로 data를 전송하기 위한 쓰기용 Stream을 반환합니다. /// </summary> /// <param name="webClient">WebClient 인스턴스</param> /// <param name="token">작업 취소를 위한 Token</param> /// <param name="address">리소스의 주소</param> /// <param name="method">전송 방법 : Http인 경우는 POST, FTP인 경우는 STOR입니다.</param> /// <returns></returns> public static Task <Stream> OpenWriteTask(this WebClient webClient, CancellationToken token, Uri address, string method) { webClient.ShouldNotBeNull("webClient"); token.ShouldNotBeNull("token"); address.ShouldNotBeNull("address"); if (IsDebugEnabled) { log.Debug("지정된 주소에 데이타 쓰기용 Stream을 엽니다... address=[{0}], method=[{1}]", address.AbsoluteUri, method); } var tcs = new TaskCompletionSource <Stream>(address); token.Register(webClient.CancelAsync); OpenWriteCompletedEventHandler handler = null; handler = (s, e) => EventAsyncPattern.HandleCompletion(tcs, e, () => e.Result, () => webClient.OpenWriteCompleted -= handler); webClient.OpenWriteCompleted += handler; try { webClient.OpenWriteAsync(address, method, tcs); } catch (Exception ex) { if (log.IsWarnEnabled) { log.Warn("WebClient를 이용하여 데이타를 전송하기 위해 쓰기용 Stream을 오픈하는데 실패했습니다. address=[{0}]", address.AbsoluteUri); log.Warn(ex); } webClient.OpenWriteCompleted -= handler; tcs.TrySetException(ex); } return(tcs.Task); }
/// <summary> /// <paramref name="address"/>에 <paramref name="filename"/>의 파일을 전송합니다. (HTTP나 FTP나 같습니다) /// </summary> /// <param name="webClient"><see cref="WebClient"/> 인스턴스</param> /// <param name="address">전송할 주소</param> /// <param name="method">전송 방법 (HTTP는 POST, FTP는 STOR)</param> /// <param name="filename">전송할 파일의 전체경로</param> /// <returns></returns> public static Task <byte[]> UploadFileTask(this WebClient webClient, Uri address, string method, string filename) { webClient.ShouldNotBeNull("webClient"); address.ShouldNotBeNull("address"); filename.ShouldNotBeWhiteSpace("filename"); Guard.Assert <FileNotFoundException>(File.Exists(filename), "File not found. filename=[{0}]", filename); if (IsDebugEnabled) { log.Debug("지정된 주소에 파일을 비동기 방식으로 Upload합니다... address=[{0}], method=[{1}], filename=[{2}]", address.AbsoluteUri, method, filename); } var tcs = new TaskCompletionSource <byte[]>(address); UploadFileCompletedEventHandler handler = null; handler = (s, e) => EventAsyncPattern.HandleCompletion(tcs, e, () => e.Result, () => webClient.UploadFileCompleted -= handler); webClient.UploadFileCompleted += handler; try { webClient.UploadFileAsync(address, method, filename, tcs); } catch (Exception ex) { if (log.IsWarnEnabled) { log.Warn("WebClient를 이용하여 파일을 비동기 방식 Upload에 실패했습니다. address=[{0}]" + address.AbsoluteUri); log.Warn(ex); } webClient.UploadFileCompleted -= handler; tcs.TrySetException(ex); } return(tcs.Task); }