104 lines
2.5 KiB
C++
104 lines
2.5 KiB
C++
//+----------------------------------------------------------------------------
|
|
//
|
|
// Copyright (C) 1995, Microsoft Corporation
|
|
//
|
|
// File: upgrade.cxx
|
|
//
|
|
// Contents: Code to handle version upgrades of Dfs Volume Objects
|
|
//
|
|
// Classes: None
|
|
//
|
|
// Functions: CDfsVolume::UpgradeObject
|
|
//
|
|
// History: May 15, 1995 Milans created
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
|
|
#include "headers.hxx"
|
|
#pragma hdrstop
|
|
|
|
#include <dfsmrshl.h>
|
|
#include "cdfsvol.hxx"
|
|
#include "marshal.hxx"
|
|
#include "recon.hxx"
|
|
#include "svclist.hxx"
|
|
|
|
//+----------------------------------------------------------------------------
|
|
//
|
|
// Function: CDfsVolume::UpgradeObject
|
|
//
|
|
// Synopsis: This routine is called everytime a volume object is loaded
|
|
// and takes care of any version upgrades that need to be done.
|
|
//
|
|
// Arguments: None
|
|
//
|
|
// Returns: ERROR_SUCCESS if successfully upgraded object.
|
|
//
|
|
// Error code from property operation if unable to upgrade object
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
|
|
DWORD
|
|
CDfsVolume::UpgradeObject()
|
|
{
|
|
DWORD dwErr;
|
|
DWORD dwCurrentVersion;
|
|
BOOLEAN fUpgraded = FALSE;
|
|
|
|
IDfsVolInlineDebOut((DEB_TRACE, "CDfsVolume::UpgradeObject()\n"));
|
|
|
|
dwErr = GetVersion(&dwCurrentVersion);
|
|
|
|
if (dwErr == ERROR_SUCCESS) {
|
|
|
|
//
|
|
// Version 1 had the name of the current machine included in the
|
|
// ServiceList. This prevented Dfs from working when the machine got
|
|
// renamed. We upgrade by simply reading in the old service list,
|
|
// and saving it out again. The save process will replace the local
|
|
// machine name with a ".". See CDfsServiceList::Serialize().
|
|
//
|
|
|
|
if (dwCurrentVersion == 1) {
|
|
|
|
CDfsServiceList dfsSvcList;
|
|
|
|
dwErr = dfsSvcList.InitializeServiceList(_pStorage);
|
|
|
|
if (dwErr == ERROR_SUCCESS) {
|
|
|
|
dwErr = dfsSvcList.SerializeSvcList();
|
|
|
|
if (dwErr == ERROR_SUCCESS) {
|
|
|
|
dwErr = dfsSvcList.SetServiceListProperty( FALSE );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
fUpgraded = (dwErr == ERROR_SUCCESS);
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
//
|
|
// If an upgrade was needed and it succeeded, then update the version
|
|
// number.
|
|
//
|
|
|
|
if ((dwErr == ERROR_SUCCESS) && fUpgraded) {
|
|
|
|
(VOID) SetVersion( FALSE );
|
|
}
|
|
|
|
IDfsVolInlineDebOut((DEB_TRACE, "CDfsVolume::UpgradeObject() exit\n"));
|
|
|
|
return( dwErr );
|
|
|
|
}
|
|
|