source/include/printing.h

   1 #ifndef PRINTING_H_
   2 #define PRINTING_H_
   3
   4 /*
   5    Unix SMB/CIFS implementation.
   6    printing definitions
   7    Copyright (C) Andrew Tridgell 1992-2000
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 2 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program; if not, write to the Free Software
  21    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22 */
  23
  24 /*
  25    This file defines the low-level printing system interfaces used by the
  26    SAMBA printing subsystem.
  27 */
  28
  29 /* Information for print jobs */
  30 struct printjob {
  31         pid_t pid; /* which process launched the job */
  32         int sysjob; /* the system (lp) job number */
  33         int fd; /* file descriptor of open file if open */
  34         time_t starttime; /* when the job started spooling */
  35         int status; /* the status of this job */
  36         size_t size; /* the size of the job so far */
  37         int page_count; /* then number of pages so far */
  38         BOOL spooled; /* has it been sent to the spooler yet? */
  39         BOOL smbjob; /* set if the job is a SMB job */
  40         fstring filename; /* the filename used to spool the file */
  41         fstring jobname; /* the job name given to us by the client */
  42         fstring user; /* the user who started the job */
  43         fstring queuename; /* service number of printer for this job */
  44         NT_DEVICEMODE *nt_devmode;
  45 };
  46
  47 /* Information for print interfaces */
  48 struct printif
  49 {
  50   /* value of the 'printing' option for this service */
  51   enum printing_types type;
  52
  53   int (*queue_get)(const char *printer_name,
  54                    enum printing_types printing_type,
  55                    char *lpq_command,
  56                    print_queue_struct **q,
  57                    print_status_struct *status);
  58   int (*queue_pause)(int snum);
  59   int (*queue_resume)(int snum);
  60   int (*job_delete)(int snum, struct printjob *pjob);
  61   int (*job_pause)(int snum, struct printjob *pjob);
  62   int (*job_resume)(int snum, struct printjob *pjob);
  63   int (*job_submit)(int snum, struct printjob *pjob);
  64 };
  65
  66 extern struct printif   generic_printif;
  67
  68 #ifdef HAVE_CUPS
  69 extern struct printif   cups_printif;
  70 #endif /* HAVE_CUPS */
  71
  72 /* PRINT_MAX_JOBID is now defined in local.h */
  73 #define UNIX_JOB_START PRINT_MAX_JOBID
  74 #define NEXT_JOBID(j) ((j+1) % PRINT_MAX_JOBID > 0 ? (j+1) % PRINT_MAX_JOBID : 1)
  75
  76 #define MAX_CACHE_VALID_TIME 3600
  77
  78 #ifndef PRINT_SPOOL_PREFIX
  79 #define PRINT_SPOOL_PREFIX "smbprn."
  80 #endif
  81 #define PRINT_DATABASE_VERSION 5
  82
  83 /* There can be this many printing tdb's open, plus any locked ones. */
  84 #define MAX_PRINT_DBS_OPEN 1
  85
  86 struct tdb_print_db {
  87         struct tdb_print_db *next, *prev;
  88         TDB_CONTEXT *tdb;
  89         int ref_count;
  90         fstring printer_name;
  91 };
  92
  93 /*
  94  * Used for print notify
  95  */
  96
  97 #define NOTIFY_PID_LIST_KEY "NOTIFY_PID_LIST"
  98
  99 #endif /* PRINTING_H_ */