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在C#中,處理WebSocket連接斷開(kāi)可以通過(guò)捕獲WebSocketException
異常來(lái)實(shí)現(xiàn)。當(dāng)WebSocket連接斷開(kāi)時(shí),會(huì)觸發(fā)這個(gè)異常。你可以在catch
語(yǔ)句中處理這個(gè)異常,例如記錄日志或者重新建立連接。
下面是一個(gè)簡(jiǎn)單的示例,展示了如何在C#中處理WebSocket連接斷開(kāi):
using System;
using System.Net.WebSockets;
using System.Threading;
using System.Threading.Tasks;
namespace WebSocketExample
{
class Program
{
static async Task Main(string[] args)
{
var uri = new Uri("wss://example.com/websocket");
using (var client = new ClientWebSocket())
{
await client.ConnectAsync(uri, CancellationToken.None);
Console.WriteLine("Connected to WebSocket server.");
var buffer = new byte[1024 * 4];
var segment = new ArraySegment<byte>(buffer);
while (client.State == WebSocketState.Open)
{
try
{
var result = await client.ReceiveAsync(segment, CancellationToken.None);
if (result.MessageType == WebSocketMessageType.Close)
{
await client.CloseAsync(WebSocketCloseStatus.NormalClosure, "Closed by the server", CancellationToken.None);
Console.WriteLine("WebSocket closed by the server.");
break;
}
else
{
// Process received data
Console.WriteLine($"Received message: {Encoding.UTF8.GetString(buffer, 0, result.Count)}");
}
}
catch (WebSocketException ex)
{
Console.WriteLine($"WebSocket connection closed unexpectedly: {ex.Message}");
break;
}
}
}
}
}
}
在這個(gè)示例中,我們使用ClientWebSocket
類連接到WebSocket服務(wù)器。然后,我們使用while
循環(huán)不斷地從服務(wù)器接收數(shù)據(jù)。如果接收到關(guān)閉消息,我們關(guān)閉WebSocket連接并退出循環(huán)。如果在接收數(shù)據(jù)時(shí)發(fā)生WebSocketException
異常,我們捕獲這個(gè)異常并打印錯(cuò)誤信息,然后退出循環(huán)。
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