Source code of Windows XP (NT5)
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196 lines
3.8 KiB

/********
*
* Copyright (c) 1996 Microsoft Corporation
*
*
* Module Name : spool.h
*
* Abstract :
*
* This module contains the prototypes for the spool.cpp file for
* HTTP Printers Server Extension.
*
******************/
#ifndef _SPOOL_H
#define _SPOOL_H
// ----------------------------------------------------------------------
//
// GLOBAL EXTERNS
//
// ----------------------------------------------------------------------
// This structure defines the asynchronous-reads when processing large
// jobs. This is used to track state-information during the job.
//
#define SPL_ASYNC_BUF 65535
typedef struct _SPLASYNC {
WORD wReq; // Type of request processing.
HANDLE hPrinter; // Handle to printer.
LPTSTR lpszShare; // Sharename for printer (used in job-response).
HANDLE hIpp; // Handle to an Ipp-Stream-Processor.
LPBYTE lpbBuf; // Buffer which asynchronous reads are kept.
DWORD cbTotal; // Total bytes to read for the job.
DWORD cbRead; // Number of bytes accumulated during reads.
DWORD cbBuf; // Size of our buffer (static size).
LPBYTE lpbRet; // Return-buffer based upon request.
} SPLASYNC, *PSPLASYNC, *LPSPLASYNC;
// ----------------------------------------------------------------------
//
// JOB FUNCTIONS
//
// ----------------------------------------------------------------------
// Structure for linked list we keep open job information in
typedef struct _INIJOB {
DWORD signature;
DWORD cb;
struct _INIJOB *pNext;
struct _INIJOB *pPrevious;
DWORD JobId;
HANDLE hPrinter;
DWORD dwFlags;
DWORD dwStatus;
LS_HANDLE hLicense; // Client Access License Handle
DWORD dwStartTime;
EXTENSION_CONTROL_BLOCK *pECB; // Struct from ISAPI interface
} INIJOB, *PINIJOB;
#define IJ_SIGNATURE 0x494A /* 'IJ' is the signature value */
#define MAX_JOB_MINUTE 15 // The maximum duration for a single job in spooler is 15 minutes
#define JOB_READY 0 // Job is ready for deleting or processing
#define JOB_BUSY 1 // Job is being processed by some thread
DWORD
OpenJob(
IN LPEXTENSION_CONTROL_BLOCK pECB,
IN HANDLE hPrinter,
IN PIPPREQ_PRTJOB pipr,
IN DWORD dwSize,
OUT PINIJOB *ppCopyIniJob = NULL
);
BOOL
WriteJob(
DWORD JobId,
LPBYTE pBuf,
DWORD dwSize,
LPDWORD pWritten
);
BOOL
CloseJob(
DWORD JobId
);
BOOL
DeleteJob(
DWORD JobId
);
VOID
AddJobEntry(
PINIJOB pIniJob
);
VOID
DeleteJobEntry(
PINIJOB pIniJob
);
PINIJOB
FindJob(
DWORD JobId, DWORD dwStatus = JOB_READY
);
BOOL CleanupOldJob(void);
DWORD GetCurrentMinute (void);
// ----------------------------------------------------------------------
//
// Client Access Licensing FUNCTIONS
//
// ----------------------------------------------------------------------
BOOL RequestLicense(
LS_HANDLE *phLicense,
LPEXTENSION_CONTROL_BLOCK pECB
);
void FreeLicense(
LS_HANDLE hLicense
);
// ----------------------------------------------------------------------
//
// Impersonation utilities
//
// ----------------------------------------------------------------------
HANDLE
RevertToPrinterSelf(
VOID
);
BOOL
ImpersonatePrinterClient(
HANDLE hToken
);
// ----------------------------------------------------------------------
//
// HELPER FUNCTIONS
//
// ----------------------------------------------------------------------
#ifdef DEBUG
LPVOID
AllocSplMem(
DWORD cb
);
BOOL
FreeSplMem(
LPVOID pMem,
DWORD cb
);
#else
#define AllocSplMem(a) LocalAlloc(LPTR, a)
#define FreeSplMem(a, b) LocalFree(a)
#endif
LPTSTR
AllocSplStr(
LPCTSTR lpStr
);
BOOL
FreeSplStr(
LPTSTR lpStr
);
#endif