internal static TcpClientChannel OpenConnection(ref NetworkPath actualPath, int timeoutInMsec, bool ignoreNodeDown)
{
NetworkPath networkPath = actualPath;
NetworkTransportException ex = null;
ITcpConnector tcpConnector = Dependencies.TcpConnector;
TcpClientChannel tcpClientChannel = tcpConnector.TryConnect(networkPath, timeoutInMsec, out ex);
if (tcpClientChannel != null)
{
return tcpClientChannel;
}
if (!networkPath.NetworkChoiceIsMandatory)
{
NetworkManager.TraceError("Attempting alternate routes", new object[0]);
List<NetworkPath> list = null;
ExchangeNetworkMap map = NetworkManager.GetMap();
if (map != null)
{
list = map.EnumeratePaths(networkPath.TargetNodeName, ignoreNodeDown);
if (list != null)
{
NetworkPath networkPath2 = null;
foreach (NetworkPath networkPath3 in list)
{
if (string.Equals(networkPath3.NetworkName, networkPath.NetworkName, DatabaseAvailabilityGroupNetwork.NameComparison))
{
networkPath2 = networkPath3;
break;
}
}
if (networkPath2 != null)
{
list.Remove(networkPath2);
}
DagNetConfig dagConfig = DagNetEnvironment.FetchNetConfig();
foreach (NetworkPath networkPath4 in list)
{
networkPath4.Purpose = networkPath.Purpose;
networkPath4.ApplyNetworkPolicy(dagConfig);
tcpClientChannel = tcpConnector.TryConnect(networkPath, timeoutInMsec, out ex);
if (tcpClientChannel != null)
{
actualPath = networkPath4;
return tcpClientChannel;
}
}
}
}
}
throw ex;
}
internal static NetworkPath InternalChooseDagNetworkPath(string targetName, string networkName, NetworkPath.ConnectionPurpose purpose)
{
string nodeNameFromFqdn = MachineName.GetNodeNameFromFqdn(targetName);
NetworkManager manager = NetworkManager.GetManager();
NetworkPath networkPath = null;
DagNetConfig dagNetConfig = null;
manager.TryWaitForInitialization();
if (manager.m_netMap != null)
{
networkPath = manager.m_netMap.ChoosePath(nodeNameFromFqdn, networkName);
}
else
{
DagNetRoute dagNetRoute = null;
DagNetRoute[] array = DagNetChooser.ProposeRoutes(targetName, out dagNetConfig);
if (networkName != null)
{
foreach (DagNetRoute dagNetRoute2 in array)
{
if (StringUtil.IsEqualIgnoreCase(dagNetRoute2.NetworkName, networkName))
{
dagNetRoute = dagNetRoute2;
break;
}
}
}
else if (array != null && array.Length > 0)
{
dagNetRoute = array[0];
}
if (dagNetRoute != null)
{
networkPath = new NetworkPath(targetName, dagNetRoute.TargetIPAddr, dagNetRoute.TargetPort, dagNetRoute.SourceIPAddr);
networkPath.NetworkName = dagNetRoute.NetworkName;
networkPath.CrossSubnet = dagNetRoute.IsCrossSubnet;
}
}
if (networkPath == null)
{
networkPath = NetworkManager.BuildDnsNetworkPath(targetName, NetworkManager.GetReplicationPort());
}
networkPath.Purpose = purpose;
if (dagNetConfig == null)
{
dagNetConfig = DagNetEnvironment.FetchNetConfig();
}
networkPath.ApplyNetworkPolicy(dagNetConfig);
return networkPath;
}
private void EnumerateNetworkMap()
{
NetworkManager.TraceDebug("EnumerateNetworkMap: attempting to reload", new object[0]);
using (IAmCluster amCluster = ClusterFactory.Instance.Open())
{
PersistentDagNetworkConfig persistentDagNetworkConfig = null;
string text = null;
Exception ex = null;
using (DagConfigurationStore dagConfigurationStore = new DagConfigurationStore())
{
dagConfigurationStore.Open();
persistentDagNetworkConfig = dagConfigurationStore.LoadNetworkConfig(out text);
PersistentDagNetworkConfig persistentDagNetworkConfig2;
if (persistentDagNetworkConfig == null)
{
persistentDagNetworkConfig2 = new PersistentDagNetworkConfig();
}
else
{
persistentDagNetworkConfig2 = persistentDagNetworkConfig.Copy();
}
IADDatabaseAvailabilityGroup localDag = Dependencies.ADConfig.GetLocalDag();
if (localDag == null)
{
NetworkManager.TraceError("EnumerateNetworkMap can't get the DAG!", new object[0]);
}
else
{
if (persistentDagNetworkConfig2.NetworkCompression != localDag.NetworkCompression)
{
persistentDagNetworkConfig2.NetworkCompression = localDag.NetworkCompression;
}
if (persistentDagNetworkConfig2.NetworkEncryption != localDag.NetworkEncryption)
{
persistentDagNetworkConfig2.NetworkEncryption = localDag.NetworkEncryption;
}
if (persistentDagNetworkConfig2.ManualDagNetworkConfiguration != localDag.ManualDagNetworkConfiguration)
{
persistentDagNetworkConfig2.ManualDagNetworkConfiguration = localDag.ManualDagNetworkConfiguration;
}
}
this.NetworkCompression = persistentDagNetworkConfig2.NetworkCompression;
this.NetworkEncryption = persistentDagNetworkConfig2.NetworkEncryption;
this.ReplicationPort = persistentDagNetworkConfig2.ReplicationPort;
this.ManualDagNetworkConfiguration = persistentDagNetworkConfig2.ManualDagNetworkConfiguration;
if (this.m_portInLocalRegistry != this.ReplicationPort && TcpPortFallback.StorePortNumber(this.ReplicationPort))
{
this.m_portInLocalRegistry = this.ReplicationPort;
}
NetworkDiscovery networkDiscovery = new NetworkDiscovery();
networkDiscovery.LoadClusterObjects(amCluster);
if (this.ManualDagNetworkConfiguration)
{
networkDiscovery.LoadExistingConfiguration(persistentDagNetworkConfig2);
}
networkDiscovery.DetermineDnsStatus();
networkDiscovery.AggregateNetworks(true);
if (!this.ManualDagNetworkConfiguration)
{
networkDiscovery.RemoveEmptyNets();
}
ExchangeNetworkMap exchangeNetworkMap = new ExchangeNetworkMap(this);
exchangeNetworkMap.Load(networkDiscovery);
AmConfig config = AmSystemManager.Instance.Config;
if (config.IsPAM)
{
try
{
exchangeNetworkMap.SynchronizeClusterNetworkRoles(amCluster);
}
catch (ClusCommonFailException ex2)
{
NetworkManager.TraceError("SynchronizeClusterNetworkRoles threw: {0}", new object[]
{
ex2
});
ex = ex2;
}
}
exchangeNetworkMap.SetupPerfmon();
persistentDagNetworkConfig2 = exchangeNetworkMap.BuildPersistentDagNetworkConfig();
string text2 = persistentDagNetworkConfig2.Serialize();
bool flag = false;
if (config.IsPAM)
{
if (persistentDagNetworkConfig == null || text != text2)
{
flag = true;
Interlocked.Exchange(ref this.m_skipNextClusterRegistryEvent, 1);
dagConfigurationStore.StoreNetworkConfig(text2);
if (persistentDagNetworkConfig != null)
{
ReplayEventLogConstants.Tuple_DagNetworkConfigOld.LogEvent("DAGNET", new object[]
{
text
});
}
}
}
else if (this.m_lastWrittenClusterNetConfigXML != null && this.m_lastWrittenClusterNetConfigXML != text2)
{
flag = true;
}
if (flag)
{
ReplayEventLogConstants.Tuple_DagNetworkConfigNew.LogEvent("DAGNET", new object[]
{
text2
});
}
this.m_lastWrittenClusterNetConfigXML = text2;
DagNetConfig dagNetConfig = this.Convert2DagNetConfig(networkDiscovery);
string text3 = dagNetConfig.Serialize();
if (this.m_lastWrittenEseReplNetConfigXML == null || this.EseReplDagNetConfigIsStale || text3 != this.m_lastWrittenEseReplNetConfigXML)
{
DagNetEnvironment.PublishDagNetConfig(text3);
this.EseReplDagNetConfigIsStale = false;
}
this.m_lastWrittenEseReplNetConfigXML = text3;
this.m_mapLoadTime = ExDateTime.Now;
this.m_netMap = exchangeNetworkMap;
NetworkManager.TraceDebug("EnumerateNetworkMap: completed reload", new object[0]);
AmSystemManager instance = AmSystemManager.Instance;
if (instance != null)
{
AmNetworkMonitor networkMonitor = instance.NetworkMonitor;
if (networkMonitor != null)
{
networkMonitor.RefreshMapiNetwork();
}
}
if (ex != null)
{
throw ex;
}
}
}
}
