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C# Connection.OnError方法代码示例

本文整理汇总了C#中System.Net.Connection.OnError方法的典型用法代码示例。如果您正苦于以下问题:C# Connection.OnError方法的具体用法?C# Connection.OnError怎么用?C# Connection.OnError使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在System.Net.Connection的用法示例。


在下文中一共展示了Connection.OnError方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: OpenConnection

        private void OpenConnection(Connection connection, string data, Action initializeCallback, Action<Exception> errorCallback)
        {
            // If we're reconnecting add /connect to the url
            bool reconnect = initializeCallback == null;

            var url = (reconnect ? connection.Url : connection.Url + "connect") + GetReceiveQueryString(connection, data);

            Action<HttpWebRequest> prepareRequest = PrepareRequest(connection);

            HttpHelper.GetAsync(url, request =>
            {
                prepareRequest(request);

                request.Accept = "text/event-stream";

            }).ContinueWith(task =>
            {
                if (task.IsFaulted)
                {
                    var exception = task.Exception.GetBaseException();
                    if (!IsRequestAborted(exception) &&
                        Interlocked.CompareExchange(ref connection._initializedCalled, 0, 0) == 0)
                    {
                        if (errorCallback != null)
                        {
                            errorCallback(exception);
                        }
                        else
                        {
                            // Raise the error event if we failed to reconnect
                            connection.OnError(exception);
                        }
                    }
                }
                else
                {
                    // Get the reseponse stream and read it for messages
                    var stream = task.Result.GetResponseStream();
                    var reader = new AsyncStreamReader(stream,
                                                       connection,
                                                       () =>
                                                       {
                                                           if (Interlocked.CompareExchange(ref connection._initializedCalled, 1, 0) == 0)
                                                           {
                                                               initializeCallback();
                                                           }
                                                       },
                                                       () =>
                                                       {
                                                           // Wait for a bit before reconnecting
                                                           Thread.Sleep(ReconnectDelay);

                                                           // Now attempt a reconnect
                                                           OpenConnection(connection, data, initializeCallback: null, errorCallback: null);
                                                       });
                    reader.StartReading();

                    // Set the reader for this connection
                    connection.Items[ReaderKey] = reader;
                }
            });

            if (initializeCallback != null)
            {
                TaskAsyncHelper.Delay(ConnectionTimeout).Then(() =>
                {
                    if (Interlocked.CompareExchange(ref connection._initializedCalled, 1, 0) == 0)
                    {
                        // Stop the connection
                        Stop(connection);

                        // Connection timeout occured
                        errorCallback(new TimeoutException());
                    }
                });
            }
        }
开发者ID:Zaidos,项目名称:SignalR,代码行数:77,代码来源:ServerSentEventsTransport.cs


注:本文中的System.Net.Connection.OnError方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。