public HystrixStreamHandler()
{
int pollingInterval;
if (!int.TryParse(ConfigurationManager.AppSettings[PollingIntervalInMilliseconds], out pollingInterval))
{
pollingInterval = 500;
}
Log.InfoFormat("Creating HystrixStreamHandler with interval {0}", pollingInterval);
endpoint = new HystrixMetricsStreamEndpoint(new HystrixCommandFactory(), pollingInterval);
}
public HystrixStreamHandler()
{
var configSection = ConfigurationManager.GetSection("hystrix.dotnet/hystrix") as HystrixConfigSection;
int pollingInterval = configSection?.MetricsStreamPollIntervalInMilliseconds ?? 500;
log.InfoFormat("Creating HystrixStreamHandler with interval {0}", pollingInterval);
var helper = new AspNetHystrixCommandFactoryHelper();
endpoint = new HystrixMetricsStreamEndpoint(
helper.CreateFactory(),
pollingInterval);
}
public async Task Invoke(HttpContext context, IHystrixMetricsStreamEndpoint streamEndpoint)
{
log.Info("Starting HystrixStreamHandler request");
var response = context.Response;
// Do not cache
response.Headers.Add("Cache-Control", "no-cache");
response.Headers.Add("Expires", "-1");
response.Headers.Add("Pragma", "no-cache");
response.ContentType = "text/event-stream";
await streamEndpoint.PushContentToOutputStream(response.Body, () => { }, context.RequestAborted).ConfigureAwait(false);
log.Info("Ending HystrixStreamMiddleware request");
}
