// Token: 0x060001F4 RID: 500 RVA: 0x00009BF0 File Offset: 0x00007DF0
private void TriggerServerMapRefreshIfNeeded(ServiceTopology topology, List <DownLevelServerStatusEntry> serverList)
{
bool flag = false;
if (serverList.Count == 0)
{
flag = true;
}
using (List <DownLevelServerStatusEntry> .Enumerator enumerator = serverList.GetEnumerator())
{
while (enumerator.MoveNext())
{
if (!DownLevelServerManager.IsServerDiscoverable(enumerator.Current.BackEndServer.Fqdn))
{
flag = true;
break;
}
}
}
if (flag)
{
ThreadPool.QueueUserWorkItem(delegate(object o)
{
this.RefreshServerMap(true);
});
}
}
// Token: 0x060001F3 RID: 499 RVA: 0x00009988 File Offset: 0x00007B88
private ServiceType GetClientAccessServiceFromList <ServiceType>(List <DownLevelServerStatusEntry> serverList, ServiceTopology topology, AnchorMailbox anchorMailbox, Site targetSite, ClientAccessType clientAccessType, Predicate <ServiceType> otherFilter, RequestDetailsLogger logger, DownLevelServerManager.DownlevelExchangeServerVersion targetDownlevelExchangeServerVersion) where ServiceType : HttpService
{
string text = anchorMailbox.ToCookieKey();
int hashCode = HttpProxyBackEndHelper.GetHashCode(text);
serverList = this.GetFilteredServerListByVersion(serverList, targetDownlevelExchangeServerVersion);
int[] shuffledList = DownLevelServerManager.GetShuffledList(serverList.Count, hashCode);
if (ExTraceGlobals.VerboseTracer.IsTraceEnabled(1))
{
ExTraceGlobals.VerboseTracer.TraceDebug <string, int, string>((long)this.GetHashCode(), "[DownLevelServerManager::GetClientAccessServiceFromList]: HashKey: {0}, HashCode: {1}, Anchor mailbox {2}.", text, hashCode, anchorMailbox.ToString());
}
for (int i = 0; i < shuffledList.Length; i++)
{
int num = shuffledList[i];
DownLevelServerStatusEntry currentServer = serverList[num];
if (ExTraceGlobals.VerboseTracer.IsTraceEnabled(1))
{
ExTraceGlobals.VerboseTracer.TraceDebug <string, int, bool>((long)this.GetHashCode(), "[DownLevelServerManager::GetClientAccessServiceFromList]: Back end server {0} is selected by current index {1}. IsHealthy = {2}", currentServer.BackEndServer.Fqdn, num, currentServer.IsHealthy);
}
if (currentServer.IsHealthy)
{
ServiceType serviceType = topology.FindAny <ServiceType>(clientAccessType, (ServiceType service) => service != null && service.ServerFullyQualifiedDomainName.Equals(currentServer.BackEndServer.Fqdn, StringComparison.OrdinalIgnoreCase) && !service.IsOutOfService && otherFilter(service), "d:\\dbs\\sh\\e16df\\0212_214120_0\\cmd\\1g\\sources\\Dev\\Cafe\\src\\HttpProxy\\DownLevelServerManager\\DownLevelServerManager.cs", "GetClientAccessServiceFromList", 799);
if (serviceType != null)
{
if (ExTraceGlobals.VerboseTracer.IsTraceEnabled(1))
{
ExTraceGlobals.VerboseTracer.TraceDebug <Uri, string>((long)this.GetHashCode(), "[DownLevelServerManager::GetClientAccessServiceFromList]: Found service {0} matching back end server {1}.", serviceType.Url, currentServer.BackEndServer.Fqdn);
}
RequestDetailsLoggerBase <RequestDetailsLogger> .SafeAppendGenericInfo(logger, "DownLevelTargetRandomHashing", string.Format("{0}/{1}", i, serverList.Count));
return(serviceType);
}
if (ExTraceGlobals.VerboseTracer.IsTraceEnabled(3))
{
ExTraceGlobals.VerboseTracer.TraceError <string>((long)this.GetHashCode(), "[DownLevelServerManager::GetClientAccessServiceFromList]: Back end server {0} cannot be found by ServiceDiscovery.", currentServer.BackEndServer.Fqdn);
}
}
else if (ExTraceGlobals.VerboseTracer.IsTraceEnabled(2))
{
ExTraceGlobals.VerboseTracer.TraceWarning <string>((long)this.GetHashCode(), "[DownLevelServerManager::GetClientAccessServiceFromList]: Back end server {0} is marked as unhealthy.", currentServer.BackEndServer.Fqdn);
}
}
RequestDetailsLoggerBase <RequestDetailsLogger> .SafeAppendGenericInfo(logger, "DownLevelTargetRandomHashingFailure", string.Format("{0}", serverList.Count));
this.TriggerServerMapRefreshIfNeeded(topology, serverList);
string text2 = string.Format("Unable to find proper back end service for {0} in site {1}.", anchorMailbox, targetSite.DistinguishedName);
if (ExTraceGlobals.VerboseTracer.IsTraceEnabled(3))
{
ExTraceGlobals.VerboseTracer.TraceError <string>((long)this.GetHashCode(), "[DownLevelServerManager::GetClientAccessServiceFromList]: {0}", text2);
}
throw new NoAvailableDownLevelBackEndException(text2);
}
private void TriggerServerMapRefreshIfNeeded(ServiceTopology topology, List <DownLevelServerStatusEntry> serverList)
{
bool flag = false;
if (serverList.Count == 0)
{
flag = true;
}
foreach (DownLevelServerStatusEntry downLevelServerStatusEntry in serverList)
{
if (!DownLevelServerManager.IsServerDiscoverable(downLevelServerStatusEntry.BackEndServer.Fqdn))
{
flag = true;
break;
}
}
if (flag)
{
ThreadPool.QueueUserWorkItem(delegate(object o)
{
this.RefreshServerMap(true);
});
}
}
private static bool IsE14ServerStale(MailboxServerCacheEntry cacheEntry)
{
return(!cacheEntry.BackEndServer.IsE15OrHigher && !DownLevelServerManager.IsServerDiscoverable(cacheEntry.BackEndServer.Fqdn));
}