internal static DatabaseLocationInfo GetServerNameForDatabaseInternal(IADDatabase database, NetworkCredential networkCredential, IFindAdObject <IADDatabaseAvailabilityGroup> dagLookup, IFindMiniServer findMiniServer, ActiveManagerClientPerfmonInstance perfCounters, bool throwOnErrors, bool isService)
{
Guid guid = database.Guid;
string serverFqdn = null;
string lastMountedServerFqdn = null;
bool isDatabaseHighlyAvailable = false;
DateTime mountedTime = DateTime.MinValue;
DatabaseLocationInfoResult requestResult = DatabaseLocationInfoResult.Unknown;
ServerVersion serverVersion = null;
if (ActiveManagerImplementation.TestHookHangGsfdForMilliseconds > 0)
{
ExTraceGlobals.ActiveManagerClientTracer.TraceDebug <int>(0L, "TestHook is hanging GetServerNameForDatabaseInternal for {0} milliseconds", ActiveManagerImplementation.TestHookHangGsfdForMilliseconds);
Thread.Sleep(ActiveManagerImplementation.TestHookHangGsfdForMilliseconds);
}
if (Interlocked.Increment(ref ActiveManagerImplementation.NumberOfConcurrentRPCthreads) <= 3000)
{
try
{
if (!ActiveManagerImplementation.IsActiveManagerRpcSupported(database))
{
ExTraceGlobals.ActiveManagerClientTracer.TraceDebug <string>(0L, "Database {0} doesn't support RPC's for ActiveManager", database.Name);
}
else
{
try
{
ActiveManagerImplementation.s_perfCounters.GetServerForDatabaseClientRpcCalls.Increment();
AmDbStatusInfo2 amDbStatusInfo = AmRpcClientHelper.RpcchGetServerForDatabase(database, networkCredential, dagLookup, findMiniServer, perfCounters, isService, out serverVersion);
isDatabaseHighlyAvailable = (amDbStatusInfo.IsHighlyAvailable != 0);
serverFqdn = amDbStatusInfo.MasterServerFqdn;
lastMountedServerFqdn = amDbStatusInfo.LastMountedServerFqdn;
mountedTime = amDbStatusInfo.MountedTime;
requestResult = DatabaseLocationInfoResult.Success;
}
catch (AmDatabaseNeverMountedException innerException)
{
ExTraceGlobals.ActiveManagerClientTracer.TraceDebug <string>(0L, "Database {0} was never mounted on any of the servers (defaulting to owner server)", string.Empty);
if (throwOnErrors)
{
throw new ServerForDatabaseNotFoundException(database.Name, guid.ToString(), innerException);
}
}
catch (AmServerException ex)
{
ExTraceGlobals.ActiveManagerClientTracer.TraceDebug <string>(0L, "Encountered AM Server exception: {0} (defaulting to owner server)", ex.Message);
if (throwOnErrors)
{
throw new ServerForDatabaseNotFoundException(database.Name, guid.ToString(), ex);
}
}
catch (AmServerTransientException ex2)
{
ExTraceGlobals.ActiveManagerClientTracer.TraceDebug <string>(0L, "Encountered AM Server exception: {0} (defaulting to owner server)", ex2.Message);
if (throwOnErrors)
{
throw new ServerForDatabaseNotFoundException(database.Name, guid.ToString(), ex2);
}
}
}
goto IL_1CF;
}
finally
{
Interlocked.Decrement(ref ActiveManagerImplementation.NumberOfConcurrentRPCthreads);
}
}
Interlocked.Decrement(ref ActiveManagerImplementation.NumberOfConcurrentRPCthreads);
ExTraceGlobals.ActiveManagerClientTracer.TraceDebug <int>(0L, "Maximum number ({0}) of concurrent RPC threads reached.", 3000);
if (throwOnErrors)
{
throw new ServerForDatabaseNotFoundException(database.Name, guid.ToString(), new TooManyActiveManagerClientRPCsException(3000));
}
IL_1CF:
return(new DatabaseLocationInfo(serverFqdn, null, lastMountedServerFqdn, null, null, null, database.Name, false, database.Recovery, Guid.Empty, mountedTime, null, null, serverVersion, MailboxRelease.None, requestResult, isDatabaseHighlyAvailable));
}
