public async Task ConfigServerTest()
{
var moq = new Mock <IApolloOptions>();
moq.SetupGet(o => o.ConfigServer).Returns(new[] { "http://106.54.227.205:8080/" });
var options = moq.Object;
var locator = new ConfigServiceLocator(new HttpUtil(options), options);
var services = await locator.GetConfigServices().ConfigureAwait(false);
Assert.Equal(1, services.Count);
Assert.Equal(options.ConfigServer.FirstOrDefault(), services[0].HomepageUrl);
}
public async Task MetaServerTest()
{
var moq = new Mock <IApolloOptions>();
moq.SetupGet(o => o.AppId).Returns("apollo-client");
moq.SetupGet(o => o.MetaServer).Returns("http://106.54.227.205:8080/");
moq.SetupGet(o => o.ConfigServer).Returns(new string[0]);
var options = moq.Object;
var locator = new ConfigServiceLocator(new HttpUtil(options), options);
var services = await locator.GetConfigServices().ConfigureAwait(false);
Assert.Equal(1, services.Count);
Assert.Equal(options.MetaServer, services[0].HomepageUrl);
}
private async Task DoLongPollingRefresh(string appId, string cluster, string?dataCenter, CancellationToken cancellationToken)
{
var random = new Random();
ServiceDto?lastServiceDto = null;
while (!cancellationToken.IsCancellationRequested)
{
var sleepTime = 50; //default 50 ms
Uri?url = null;
try
{
if (lastServiceDto == null)
{
var configServices = await _serviceLocator.GetConfigServices().ConfigureAwait(false);
lastServiceDto = configServices[random.Next(configServices.Count)];
}
url = AssembleLongPollRefreshUrl(lastServiceDto.HomepageUrl, appId, cluster, dataCenter);
Logger().Debug($"Long polling from {url}");
#if NET40
var response = await _httpUtil.DoGetAsync <ICollection <ApolloConfigNotification> >(url, 600000).ConfigureAwait(false);
#else
var response = await _httpUtil.DoGetAsync <IReadOnlyCollection <ApolloConfigNotification> >(url, 600000).ConfigureAwait(false);
#endif
Logger().Debug($"Long polling response: {response.StatusCode}, url: {url}");
if (response.StatusCode == HttpStatusCode.OK && response.Body != null)
{
UpdateNotifications(response.Body);
UpdateRemoteNotifications(response.Body);
Notify(lastServiceDto, response.Body);
_longPollSuccessSchedulePolicyInMs.Success();
}
else
{
sleepTime = _longPollSuccessSchedulePolicyInMs.Fail();
}
//try to load balance
if (response.StatusCode == HttpStatusCode.NotModified && random.NextDouble() >= 0.5)
{
lastServiceDto = null;
}
_longPollFailSchedulePolicyInSecond.Success();
}
catch (Exception ex)
{
lastServiceDto = null;
var sleepTimeInSecond = _longPollFailSchedulePolicyInSecond.Fail();
Logger().Warn($"Long polling failed, will retry in {sleepTimeInSecond} seconds. appId: {appId}, cluster: {cluster}, namespace: {string.Join(ConfigConsts.ClusterNamespaceSeparator, _longPollNamespaces.Keys)}, long polling url: {url}, reason: {ex.GetDetailMessage()}");
sleepTime = sleepTimeInSecond * 1000;
}
finally
{
#if NET40
await TaskEx.Delay(sleepTime, cancellationToken).ConfigureAwait(false);
#else
await Task.Delay(sleepTime, cancellationToken).ConfigureAwait(false);
#endif
}
}
}
