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;
}
public TcpClientChannel OpenChannel(string targetServerName, ISimpleBufferPool socketStreamBufferPool, IPool <SocketStreamAsyncArgs> socketStreamAsyncArgPool, SocketStream.ISocketStreamPerfCounters perfCtrs, out NetworkPath netPath)
{
DagNetConfig dagConfig;
DagNetRoute[] array = DagNetChooser.ProposeRoutes(targetServerName, out dagConfig);
TcpClientChannel tcpClientChannel = null;
netPath = null;
NetworkTransportException ex = null;
if (array != null)
{
foreach (DagNetRoute dagNetRoute in array)
{
netPath = new NetworkPath(targetServerName, dagNetRoute.TargetIPAddr, dagNetRoute.TargetPort, dagNetRoute.SourceIPAddr);
netPath.CrossSubnet = dagNetRoute.IsCrossSubnet;
this.ApplySocketStreamArgs(netPath, socketStreamBufferPool, socketStreamAsyncArgPool, perfCtrs);
netPath.ApplyNetworkPolicy(dagConfig);
tcpClientChannel = this.TryConnect(netPath, out ex);
if (tcpClientChannel != null)
{
break;
}
}
}
if (tcpClientChannel == null)
{
netPath = this.BuildDnsNetworkPath(targetServerName, (int)NetworkManager.GetReplicationPort());
this.ApplySocketStreamArgs(netPath, socketStreamBufferPool, socketStreamAsyncArgPool, perfCtrs);
netPath.ApplyNetworkPolicy(dagConfig);
tcpClientChannel = this.TryConnect(netPath, out ex);
if (tcpClientChannel == null)
{
throw ex;
}
}
return(tcpClientChannel);
}
// Token: 0x06002397 RID: 9111 RVA: 0x000A6BF8 File Offset: 0x000A4DF8
public static bool StartListening(bool useExchangeSid = true)
{
ExTraceGlobals.MonitoredDatabaseTracer.TraceDebug(0L, "Network TCP listener start listening.");
bool result;
lock (RemoteDataProvider.s_singletonLock)
{
if (RemoteDataProvider.s_initialized)
{
ExTraceGlobals.MonitoredDatabaseTracer.TraceDebug(0L, "StartListening returned because it is already initialized");
result = RemoteDataProvider.s_initialized;
}
else if (ThirdPartyManager.IsInitialized && ThirdPartyManager.IsThirdPartyReplicationEnabled)
{
RemoteDataProvider.s_tprEnabled = true;
ExTraceGlobals.MonitoredDatabaseTracer.TraceDebug(0L, "StartListening does nothing because TPR is enabled");
result = true;
}
else
{
RemoteDataProvider.s_tprEnabled = false;
if (RemoteDataProvider.s_selfCheckTimer == null)
{
RemoteDataProvider.s_selfCheckTimer = new Timer(new TimerCallback(RemoteDataProvider.SelfCheck), null, RegistryParameters.RemoteDataProviderSelfCheckInterval, RegistryParameters.RemoteDataProviderSelfCheckInterval);
}
try
{
if (useExchangeSid)
{
RemoteDataProvider.s_exchangeGroupSid = ObjectSecurity.ExchangeServersUsgSid;
}
if (RemoteDataProvider.s_tcpListener == null)
{
TcpListener.Config config = new TcpListener.Config();
config.ListenPort = (int)NetworkManager.GetReplicationPort();
config.LocalNodeName = Environment.MachineName;
config.AuthConnectionHandOff = new TcpListener.AuthenticatedConnectionHandler(NetworkChannel.ServiceRequests);
TcpListener tcpListener = new TcpListener();
Exception ex = tcpListener.StartListening(config);
if (ex != null)
{
ReplayEventLogConstants.Tuple_TcpListenerFailedToStart.LogEvent(null, new object[]
{
ex
});
ExTraceGlobals.MonitoredDatabaseTracer.TraceError <Exception>(0L, "Network TCP listener could not be started: {0}", ex);
return(false);
}
RemoteDataProvider.s_tcpListener = tcpListener;
}
ClusterBatchWriter.Start();
RemoteDataProvider.s_initialized = true;
ExTraceGlobals.MonitoredDatabaseTracer.TraceDebug(0L, "Network TCP listener successfully activated");
}
catch (ADTransientException ex2)
{
ReplayEventLogConstants.Tuple_TcpListenerFailedToStart.LogEvent(null, new object[]
{
ex2
});
}
catch (ADExternalException ex3)
{
ReplayEventLogConstants.Tuple_TcpListenerFailedToStart.LogEvent(null, new object[]
{
ex3
});
}
catch (ADOperationException ex4)
{
ReplayEventLogConstants.Tuple_TcpListenerFailedToStart.LogEvent(null, new object[]
{
ex4
});
}
finally
{
if (!RemoteDataProvider.s_initialized)
{
ClusterBatchWriter.Stop();
}
}
result = RemoteDataProvider.s_initialized;
}
}
return(result);
}
