// 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 InternalRefresh()
{
Exception ex = null;
Server[] array = null;
try
{
ITopologyConfigurationSession configurationSession = DirectoryHelper.GetConfigurationSession();
ADPagedReader <Server> adpagedReader = configurationSession.FindPaged <Server>(null, QueryScope.SubTree, DownLevelServerManager.ServerVersionFilter, null, 0);
array = adpagedReader.ReadAllPages();
}
catch (ADTransientException ex2)
{
ex = ex2;
}
catch (DataValidationException ex3)
{
ex = ex3;
}
catch (DataSourceOperationException ex4)
{
ex = ex4;
}
if (ex != null)
{
ExTraceGlobals.VerboseTracer.TraceError <Exception>((long)this.GetHashCode(), "[DownLevelServerManager::RefreshServerMap]: Active Directory exception: {0}", ex);
Diagnostics.Logger.LogEvent(FrontEndHttpProxyEventLogConstants.Tuple_ErrorRefreshDownLevelServerMap, null, new object[]
{
HttpProxyGlobals.ProtocolType.ToString(),
ex.ToString()
});
return;
}
Dictionary <string, List <DownLevelServerStatusEntry> > downLevelServerMap = this.GetDownLevelServerMap();
Dictionary <string, List <DownLevelServerStatusEntry> > dictionary = new Dictionary <string, List <DownLevelServerStatusEntry> >(downLevelServerMap.Count, StringComparer.OrdinalIgnoreCase);
Server[] array2 = array;
for (int i = 0; i < array2.Length; i++)
{
Server server = array2[i];
if ((server.CurrentServerRole & ServerRole.ClientAccess) > ServerRole.None && server.ServerSite != null)
{
List <DownLevelServerStatusEntry> list = null;
if (!dictionary.TryGetValue(server.ServerSite.DistinguishedName, out list))
{
list = new List <DownLevelServerStatusEntry>();
dictionary.Add(server.ServerSite.DistinguishedName, list);
}
DownLevelServerStatusEntry downLevelServerStatusEntry = null;
List <DownLevelServerStatusEntry> list2 = null;
if (downLevelServerMap.TryGetValue(server.ServerSite.DistinguishedName, out list2))
{
downLevelServerStatusEntry = list2.Find((DownLevelServerStatusEntry x) => x.BackEndServer.Fqdn.Equals(server.Fqdn, StringComparison.OrdinalIgnoreCase));
}
if (downLevelServerStatusEntry == null)
{
downLevelServerStatusEntry = new DownLevelServerStatusEntry
{
BackEndServer = new BackEndServer(server.Fqdn, server.VersionNumber),
IsHealthy = true
};
}
list.Add(downLevelServerStatusEntry);
list.Sort((DownLevelServerStatusEntry x, DownLevelServerStatusEntry y) => x.BackEndServer.Fqdn.CompareTo(y.BackEndServer.Fqdn));
}
}
this.downLevelServers = dictionary;
if (dictionary.Count > 0 && DownLevelServerManager.DownLevelServerPingEnabled.Value && this.pingManager == null)
{
this.pingManager = new DownLevelServerPingManager(new Func <Dictionary <string, List <DownLevelServerStatusEntry> > >(this.GetDownLevelServerMap));
}
}
public BackEndServer GetDownLevelClientAccessServerWithPreferredServer <ServiceType>(AnchorMailbox anchorMailbox, string preferredCasServerFqdn, ClientAccessType clientAccessType, RequestDetailsLogger logger, int destinationVersion) where ServiceType : HttpService
{
Predicate <ServiceType> predicate = null;
Predicate <ServiceType> predicate2 = null;
if (anchorMailbox == null)
{
throw new ArgumentNullException("anchorMailbox");
}
if (string.IsNullOrEmpty(preferredCasServerFqdn))
{
throw new ArgumentException("preferredCasServerFqdn cannot be empty!");
}
ServiceTopology currentLegacyServiceTopology = ServiceTopology.GetCurrentLegacyServiceTopology("f:\\15.00.1497\\sources\\dev\\cafe\\src\\HttpProxy\\DownLevelServerManager\\DownLevelServerManager.cs", "GetDownLevelClientAccessServerWithPreferredServer", 253);
Site site = currentLegacyServiceTopology.GetSite(preferredCasServerFqdn, "f:\\15.00.1497\\sources\\dev\\cafe\\src\\HttpProxy\\DownLevelServerManager\\DownLevelServerManager.cs", "GetDownLevelClientAccessServerWithPreferredServer", 254);
Dictionary <string, List <DownLevelServerStatusEntry> > downLevelServerMap = this.GetDownLevelServerMap();
List <DownLevelServerStatusEntry> list = null;
if (!downLevelServerMap.TryGetValue(site.DistinguishedName, out list))
{
string text = string.Format("Unable to find site {0} in the down level server map.", site.DistinguishedName);
ExTraceGlobals.VerboseTracer.TraceError <string>((long)this.GetHashCode(), "[DownLevelServerManager::GetDownLevelClientAccessServerWithPreferredServer]: {0}", text);
ThreadPool.QueueUserWorkItem(delegate(object o)
{
this.RefreshServerMap(true);
});
throw new NoAvailableDownLevelBackEndException(text);
}
DownLevelServerStatusEntry downLevelServerStatusEntry = list.Find((DownLevelServerStatusEntry backend) => preferredCasServerFqdn.Equals(backend.BackEndServer.Fqdn, StringComparison.OrdinalIgnoreCase));
if (downLevelServerStatusEntry == null)
{
string text2 = string.Format("Unable to find preferred server {0} in the back end server map.", preferredCasServerFqdn);
ExTraceGlobals.VerboseTracer.TraceError <string>((long)this.GetHashCode(), "[DownLevelServerManager::GetDownLevelClientAccessServerWithPreferredServer]: {0}", text2);
throw new NoAvailableDownLevelBackEndException(text2);
}
if (downLevelServerStatusEntry.IsHealthy)
{
ExTraceGlobals.VerboseTracer.TraceDebug <DownLevelServerStatusEntry>((long)this.GetHashCode(), "[DownLevelServerManager::GetDownLevelClientAccessServerWithPreferredServer]: The preferred server {0} is healthy.", downLevelServerStatusEntry);
return(downLevelServerStatusEntry.BackEndServer);
}
ServiceType serviceType = default(ServiceType);
if (destinationVersion < Server.E14MinVersion)
{
try
{
List <DownLevelServerStatusEntry> serverList = list;
ServiceTopology topology = currentLegacyServiceTopology;
Site targetSite = site;
if (predicate == null)
{
predicate = ((ServiceType service) => service.ServerVersionNumber >= Server.E2007MinVersion && service.ServerVersionNumber < Server.E14MinVersion);
}
serviceType = this.GetClientAccessServiceFromList <ServiceType>(serverList, topology, anchorMailbox, targetSite, clientAccessType, predicate, logger, DownLevelServerManager.DownlevelExchangeServerVersion.Exchange2007);
}
catch (NoAvailableDownLevelBackEndException)
{
ExTraceGlobals.VerboseTracer.TraceError((long)this.GetHashCode(), "[DownLevelServerManager::GetDownLevelClientAccessServerWithPreferredServer]: No E12 CAS could be found for E12 destination. Looking for E14 CAS.");
}
}
if (serviceType == null)
{
List <DownLevelServerStatusEntry> serverList2 = list;
ServiceTopology topology2 = currentLegacyServiceTopology;
Site targetSite2 = site;
if (predicate2 == null)
{
predicate2 = ((ServiceType service) => service.ServerVersionNumber >= Server.E14MinVersion && service.ServerVersionNumber < Server.E15MinVersion);
}
serviceType = this.GetClientAccessServiceFromList <ServiceType>(serverList2, topology2, anchorMailbox, targetSite2, clientAccessType, predicate2, logger, DownLevelServerManager.DownlevelExchangeServerVersion.Exchange2010);
}
return(new BackEndServer(serviceType.ServerFullyQualifiedDomainName, serviceType.ServerVersionNumber));
}
// Token: 0x060001F5 RID: 501 RVA: 0x00009C6C File Offset: 0x00007E6C
private void InternalRefresh()
{
Exception ex = null;
Server[] array = null;
try
{
array = DirectoryHelper.GetConfigurationSession().FindPaged <Server>(null, 2, DownLevelServerManager.ServerVersionFilter, null, 0, "d:\\dbs\\sh\\e16df\\0212_214120_0\\cmd\\1g\\sources\\Dev\\Cafe\\src\\HttpProxy\\DownLevelServerManager\\DownLevelServerManager.cs", 910, "InternalRefresh").ReadAllPages();
}
catch (ADTransientException ex)
{
}
catch (DataValidationException ex)
{
}
catch (DataSourceOperationException ex)
{
}
if (ex != null)
{
if (ExTraceGlobals.VerboseTracer.IsTraceEnabled(3))
{
ExTraceGlobals.VerboseTracer.TraceError <Exception>((long)this.GetHashCode(), "[DownLevelServerManager::RefreshServerMap]: Active Directory exception: {0}", ex);
}
Diagnostics.Logger.LogEvent(FrontEndHttpProxyEventLogConstants.Tuple_ErrorRefreshDownLevelServerMap, null, new object[]
{
HttpProxyGlobals.ProtocolType.ToString(),
ex.ToString()
});
return;
}
Dictionary <string, List <DownLevelServerStatusEntry> > downLevelServerMap = this.GetDownLevelServerMap();
Dictionary <string, List <DownLevelServerStatusEntry> > dictionary = new Dictionary <string, List <DownLevelServerStatusEntry> >(downLevelServerMap.Count, StringComparer.OrdinalIgnoreCase);
Server[] array2 = array;
for (int i = 0; i < array2.Length; i++)
{
Server server = array2[i];
if ((server.CurrentServerRole & 4) > 0 && server.ServerSite != null)
{
List <DownLevelServerStatusEntry> list = null;
if (!dictionary.TryGetValue(server.ServerSite.DistinguishedName, out list))
{
list = new List <DownLevelServerStatusEntry>();
dictionary.Add(server.ServerSite.DistinguishedName, list);
}
DownLevelServerStatusEntry downLevelServerStatusEntry = null;
List <DownLevelServerStatusEntry> list2 = null;
if (downLevelServerMap.TryGetValue(server.ServerSite.DistinguishedName, out list2))
{
downLevelServerStatusEntry = list2.Find((DownLevelServerStatusEntry x) => x.BackEndServer.Fqdn.Equals(server.Fqdn, StringComparison.OrdinalIgnoreCase));
}
if (downLevelServerStatusEntry == null)
{
downLevelServerStatusEntry = new DownLevelServerStatusEntry
{
BackEndServer = new BackEndServer(server.Fqdn, server.VersionNumber),
IsHealthy = true
};
}
list.Add(downLevelServerStatusEntry);
list.Sort((DownLevelServerStatusEntry x, DownLevelServerStatusEntry y) => x.BackEndServer.Fqdn.CompareTo(y.BackEndServer.Fqdn));
}
}
this.downLevelServers = dictionary;
if (dictionary.Count > 0 && DownLevelServerManager.DownLevelServerPingEnabled.Value && this.pingManager == null)
{
this.pingManager = new DownLevelServerPingManager(new Func <Dictionary <string, List <DownLevelServerStatusEntry> > >(this.GetDownLevelServerMap));
}
}