public async Task <List <Instance> > GetAllInstances(string serviceName, string groupName, List <string> clusters, bool subscribe)
{
ServiceInfo serviceInfo;
string clusterString = string.Join(",", clusters);
if (subscribe)
{
serviceInfo = _serviceInfoHolder.GetServiceInfo(serviceName, groupName, clusterString);
if (serviceInfo == null)
{
serviceInfo = await _clientProxy.Subscribe(serviceName, groupName, clusterString).ConfigureAwait(false);
}
}
else
{
serviceInfo = await _clientProxy.QueryInstancesOfService(serviceName, groupName, clusterString, 0, false).ConfigureAwait(false);
}
List <Instance> list = serviceInfo.Hosts;
if (serviceInfo == null || serviceInfo.Hosts == null || !serviceInfo.Hosts.Any())
{
return(new List <Instance>());
}
return(list);
}
private async Task RunUpdateTask(string serviceName, string groupName, string clusters)
{
int delayTime = -1;
var serviceKey = ServiceInfo.GetKey(NamingUtils.GetGroupedName(serviceName, groupName), clusters);
try
{
if (!changeNotifier.IsSubscribed(groupName, serviceName, clusters) && !_updatingMap.ContainsKey(serviceKey))
{
// TODO logger
return;
}
if (!serviceInfoHolder.GetServiceInfoMap().TryGetValue(serviceKey, out var serviceObj))
{
serviceObj = await namingClientProxy.QueryInstancesOfService(serviceName, groupName, clusters, 0, false);
serviceInfoHolder.ProcessServiceInfo(serviceObj);
delayTime = DEFAULT_DELAY;
// TODO lastRefTime serviceObj.LastRefTime
return;
}
if (serviceObj.LastRefTime <= 0)
{
serviceObj = await namingClientProxy.QueryInstancesOfService(serviceName, groupName, clusters, 0, false);
serviceInfoHolder.ProcessServiceInfo(serviceObj);
}
// TODO lastRefTime serviceObj.LastRefTime
if (serviceObj.Hosts == null || serviceObj.Hosts.Any())
{
// incFailCount
return;
}
delayTime = (int)serviceObj.CacheMillis * DEFAULT_UPDATE_CACHE_TIME_MULTIPLE;
// resetFailCount
}
catch (System.Exception)
{
// logger
}
finally
{
// next
}
}