以下是一个示例代码,演示如何捕获连接Direct Line WebSocket端点失败的情况:
using System;
using System.Net.WebSockets;
using System.Threading;
using System.Threading.Tasks;
public class Program
{
private static ClientWebSocket _webSocket;
public static async Task Main(string[] args)
{
try
{
_webSocket = new ClientWebSocket();
await _webSocket.ConnectAsync(new Uri("wss://directline.botframework.com/v3/directline"), CancellationToken.None);
// 在此处添加与Direct Line WebSocket端点的通信逻辑
await _webSocket.CloseAsync(WebSocketCloseStatus.NormalClosure, string.Empty, CancellationToken.None);
}
catch (Exception ex)
{
Console.WriteLine($"连接Direct Line WebSocket端点失败:{ex.Message}");
}
finally
{
if (_webSocket != null && _webSocket.State == WebSocketState.Open)
{
await _webSocket.CloseAsync(WebSocketCloseStatus.NormalClosure, string.Empty, CancellationToken.None);
}
_webSocket.Dispose();
}
}
}
在此示例中,我们使用ClientWebSocket
类创建了一个WebSocket客户端,并尝试连接到Direct Line WebSocket端点。如果连接失败,将捕获Exception
并输出失败消息。在finally
块中,我们确保WebSocket连接已关闭并释放资源。
你可以在// 在此处添加与Direct Line WebSocket端点的通信逻辑
注释后面添加与Direct Line WebSocket端点的实际通信逻辑。请根据你的具体需求进行相应的修改。