Leaked source code of windows server 2003
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/*++
Copyright (c) 1996 Microsoft Corporation
Module Name:
clusspl.c
Abstract:
Cluster code support.
Author:
Albert Ting (AlbertT) 1-Oct-96
Revision History:
--*/
#include <precomp.h>
#pragma hdrstop
#include "local.h"
#include "clusrout.h"
typedef struct _CLUSTERHANDLE {
DWORD signature;
LPPROVIDOR pProvidor;
HANDLE hCluster;
} CLUSTERHANDLE, *PCLUSTERHANDLE;
BOOL
ClusterSplOpen(
LPCTSTR pszServer,
LPCTSTR pszResource,
PHANDLE phSpooler,
LPCTSTR pszName,
LPCTSTR pszAddress
)
/*++
Routine Description:
Open a hSpooler resource by searching the providers.
Arguments:
pszServer - Server that should be opened. Currently only NULL
is supported.
pszResource - Name of the resource to open.
phSpooler - Receives new spooler handle.
pszName - Name that the resource should recognize. Comma delimted.
pszAddress - Tcp/ip address the resource should recognize. Comma delimited.
Return Value:
TRUE - Success
FALSE - Failure, GetLastError() set.
--*/
{
LPPROVIDOR pProvidor;
DWORD dwFirstSignificantError = ERROR_INVALID_NAME;
PCLUSTERHANDLE pClusterHandle;
LPWSTR pPrinterName;
DWORD dwStatus;
HANDLE hCluster;
WaitForSpoolerInitialization();
if( pszServer ){
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
pClusterHandle = AllocSplMem( sizeof( CLUSTERHANDLE ));
if (!pClusterHandle) {
DBGMSG( DBG_WARNING, ("Failed to alloc cluster handle."));
return FALSE;
}
pProvidor = pLocalProvidor;
*phSpooler = NULL;
while (pProvidor) {
dwStatus = (*pProvidor->PrintProvidor.fpClusterSplOpen)(
pszServer,
pszResource,
&hCluster,
pszName,
pszAddress);
if ( dwStatus == ROUTER_SUCCESS ) {
pClusterHandle->signature = CLUSTERHANDLE_SIGNATURE;
pClusterHandle->pProvidor = pProvidor;
pClusterHandle->hCluster = hCluster;
*phSpooler = (HANDLE)pClusterHandle;
return TRUE;
} else {
UpdateSignificantError( GetLastError(),
&dwFirstSignificantError );
}
pProvidor = pProvidor->pNext;
}
FreeSplMem(pClusterHandle);
UpdateSignificantError( ERROR_INVALID_PRINTER_NAME,
&dwFirstSignificantError );
SetLastError(dwFirstSignificantError);
return FALSE;
}
BOOL
ClusterSplClose(
HANDLE hSpooler
)
/*++
Routine Description:
Closes the spooler handle.
Arguments:
hSpooler - hSpooler to close.
Return Value:
TRUE - Success
FALSE - Failure. LastError set.
Note: What happens if this fails? Should the user try again.
--*/
{
PCLUSTERHANDLE pClusterHandle=(PCLUSTERHANDLE)hSpooler;
EnterRouterSem();
if (!pClusterHandle ||
pClusterHandle->signature != CLUSTERHANDLE_SIGNATURE) {
LeaveRouterSem();
SetLastError(ERROR_INVALID_HANDLE);
return FALSE;
}
LeaveRouterSem();
if ((*pClusterHandle->pProvidor->PrintProvidor.fpClusterSplClose)(
pClusterHandle->hCluster)) {
FreeSplMem( pClusterHandle );
return TRUE;
}
return FALSE;
}
BOOL
ClusterSplIsAlive(
HANDLE hSpooler
)
/*++
Routine Description:
Determines whether the spooler is alive.
Arguments:
hSpooler - Spooler to check.
Return Value:
TRUE - Alive
FALSE - Dead, LastError set.
--*/
{
PCLUSTERHANDLE pClusterHandle=(PCLUSTERHANDLE)hSpooler;
if (!pClusterHandle ||
pClusterHandle->signature != CLUSTERHANDLE_SIGNATURE) {
SetLastError(ERROR_INVALID_HANDLE);
return FALSE;
}
return (*pClusterHandle->pProvidor->PrintProvidor.fpClusterSplIsAlive)(
pClusterHandle->hCluster );
}