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