// 程序停止
public override async Task StopAsync(CancellationToken cancellationToken)
{
// Remove listener
await _nacosNamingService.Unsubscribe(JsonConfigSettings.NacosServiceName, Nacos.V2.Common.Constants.DEFAULT_GROUP, eventListener);
await _nacosNamingService.DeregisterInstance(JsonConfigSettings.NacosServiceName, Nacos.V2.Common.Constants.DEFAULT_GROUP, IpHelper.GetCurrentIp(null), JsonConfigSettings.NacosPort);
await base.StopAsync(cancellationToken);
}
static async Task Subscribe(INacosNamingService svc, IEventListener listener)
{
// 订阅服务变化
await svc.Subscribe("demo-svc1", Nacos.V2.Common.Constants.DEFAULT_GROUP, listener);
// 模拟服务变化，listener会收到变更信息
await RegisterInstance(svc, 9997);
await Task.Delay(3000);
// 取消订阅
await svc.Unsubscribe("demo-svc1", Nacos.V2.Common.Constants.DEFAULT_GROUP, listener);
// 服务变化后，listener不会收到变更信息
await RegisterInstance(svc);
await Task.Delay(1000);
}