public static DagNetworkConfiguration GetDagNetworkConfig(DatabaseAvailabilityGroup dag)
{
DagNetworkConfiguration dagNetworkConfiguration = null;
if (dag.Servers.Count == 0)
{
return(null);
}
Exception ex = null;
ITopologyConfigurationSession topologyConfigurationSession = DirectorySessionFactory.Default.CreateTopologyConfigurationSession(ConsistencyMode.IgnoreInvalid, ADSessionSettings.FromRootOrgScopeSet(), 85, "GetDagNetworkConfig", "f:\\15.00.1497\\sources\\dev\\data\\src\\storage\\Cluster\\DagNetworkClientRpc.cs");
topologyConfigurationSession.UseConfigNC = false;
topologyConfigurationSession.UseGlobalCatalog = true;
foreach (ADObjectId adobjectId in dag.Servers)
{
try
{
ADComputer adcomputer = topologyConfigurationSession.FindComputerByHostName(adobjectId.Name);
if (adcomputer != null && !string.IsNullOrEmpty(adcomputer.DnsHostName))
{
if (dag.DatacenterActivationMode != DatacenterActivationModeOption.DagOnly || !dag.StoppedMailboxServers.Contains(adcomputer.DnsHostName, StringComparer.OrdinalIgnoreCase))
{
dagNetworkConfiguration = DagNetworkRpc.GetDagNetworkConfig(adcomputer.DnsHostName);
if (dagNetworkConfiguration != null)
{
break;
}
}
}
}
catch (TaskServerTransientException ex2)
{
ex = ex2;
}
catch (TaskServerException ex3)
{
ex = ex3;
}
catch (ADTransientException ex4)
{
ex = ex4;
}
catch (ADExternalException ex5)
{
ex = ex5;
}
catch (ADOperationException ex6)
{
ex = ex6;
}
}
if (dagNetworkConfiguration == null && ex != null)
{
throw ex;
}
return(dagNetworkConfiguration);
}
public static DagNetworkConfiguration GetDagNetworkConfig(string serverName)
{
byte[] configAsBytes = null;
DagNetworkRpc.RunRpcOperation(serverName, delegate(ReplayRpcClient rpcClient)
{
ExTraceGlobals.DatabaseAvailabilityGroupTracer.TraceDebug <string>(0L, "GetDagNetworkConfig sending RPC to {0}", serverName);
return(rpcClient.GetDagNetworkConfig(ref configAsBytes));
});
return((DagNetworkConfiguration)Serialization.BytesToObject(configAsBytes));
}
private static void RunRpcOperation(string serverName, int?timeoutMs, DagNetworkRpc.InternalRpcOperation rpcOperation)
{
RpcErrorExceptionInfo errorInfo = null;
TasksRpcExceptionWrapper.Instance.ClientRetryableOperation(serverName, delegate
{
using (ReplayRpcClient replayRpcClient = DagNetworkRpc.RpcClientFactory(serverName, timeoutMs))
{
errorInfo = rpcOperation(replayRpcClient);
}
});
TasksRpcExceptionWrapper.Instance.ClientRethrowIfFailed(serverName, errorInfo);
}
public static void SetDagNetwork(DatabaseAvailabilityGroup dag, SetDagNetworkRequest change)
{
if (dag.Servers.Count == 0)
{
return;
}
AmPamInfo primaryActiveManager = AmRpcClientHelper.GetPrimaryActiveManager(ADObjectWrapperFactory.CreateWrapper(dag));
string targetServerName = primaryActiveManager.ServerName;
byte[] changeAsBytes = Serialization.ObjectToBytes(change);
DagNetworkRpc.RunRpcOperation(targetServerName, delegate(ReplayRpcClient rpcClient)
{
ExTraceGlobals.DatabaseAvailabilityGroupTracer.TraceDebug <string>(0L, "SetDagNetwork sending RPC to {0}", targetServerName);
return(rpcClient.SetDagNetwork(changeAsBytes));
});
}
private static ReplayRpcClient RpcClientFactory(string serverName)
{
return(DagNetworkRpc.RpcClientFactory(serverName, null));
}
private static void RunRpcOperation(string serverName, DagNetworkRpc.InternalRpcOperation rpcOperation)
{
DagNetworkRpc.RunRpcOperation(serverName, null, rpcOperation);
}
