source: vendor/3.5.4/source3/include/printing.h

#ifndef PRINTING_H_
#define PRINTING_H_

/* 
   Unix SMB/CIFS implementation.
   printing definitions
   Copyright (C) Andrew Tridgell 1992-2000
   
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.
   
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   
   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

/*
   This file defines the low-level printing system interfaces used by the
   SAMBA printing subsystem.
*/

/* Information for print jobs */
struct printjob {
        pid_t pid; /* which process launched the job */
        int sysjob; /* the system (lp) job number */
        int fd; /* file descriptor of open file if open */
        time_t starttime; /* when the job started spooling */
        int status; /* the status of this job */
        size_t size; /* the size of the job so far */
        int page_count; /* then number of pages so far */
        bool spooled; /* has it been sent to the spooler yet? */
        bool smbjob; /* set if the job is a SMB job */
        fstring filename; /* the filename used to spool the file */
        fstring jobname; /* the job name given to us by the client */
        fstring user; /* the user who started the job */
        fstring queuename; /* service number of printer for this job */
        NT_DEVICEMODE *nt_devmode;
};

/* Information for print interfaces */
struct printif
{
  /* value of the 'printing' option for this service */
  enum printing_types type;

  int (*queue_get)(const char *printer_name,
                   enum printing_types printing_type,
                   char *lpq_command,
                   print_queue_struct **q,
                   print_status_struct *status);
  int (*queue_pause)(int snum);
  int (*queue_resume)(int snum);
  int (*job_delete)(const char *sharename, const char *lprm_command, struct printjob *pjob);
  int (*job_pause)(int snum, struct printjob *pjob);
  int (*job_resume)(int snum, struct printjob *pjob);
  int (*job_submit)(int snum, struct printjob *pjob);
};

extern struct printif   generic_printif;

#ifdef HAVE_CUPS
extern struct printif   cups_printif;
#endif /* HAVE_CUPS */

#ifdef HAVE_IPRINT
extern struct printif   iprint_printif;
#endif /* HAVE_IPRINT */

/* PRINT_MAX_JOBID is now defined in local.h */
#define UNIX_JOB_START PRINT_MAX_JOBID
#define NEXT_JOBID(j) ((j+1) % PRINT_MAX_JOBID > 0 ? (j+1) % PRINT_MAX_JOBID : 1)

#define MAX_CACHE_VALID_TIME 3600
#define CUPS_DEFAULT_CONNECTION_TIMEOUT 30

#ifndef PRINT_SPOOL_PREFIX
#define PRINT_SPOOL_PREFIX "smbprn."
#endif
#define PRINT_DATABASE_VERSION 5

/* There can be this many printing tdb's open, plus any locked ones. */
#define MAX_PRINT_DBS_OPEN 1

struct tdb_print_db {
        struct tdb_print_db *next, *prev;
        TDB_CONTEXT *tdb;
        int ref_count;
        fstring printer_name;
};

/* 
 * Used for print notify
 */

#define NOTIFY_PID_LIST_KEY "NOTIFY_PID_LIST"

#endif /* PRINTING_H_ */