source3/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 3 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, see <http://www.gnu.org/licenses/>.
  21 */
  22
  23 /*
  24    This file defines the low-level printing system interfaces used by the
  25    SAMBA printing subsystem.
  26 */
  27
  28 /* Information for print jobs */
  29 struct printjob {
  30         pid_t pid; /* which process launched the job */
  31         int sysjob; /* the system (lp) job number */
  32         int fd; /* file descriptor of open file if open */
  33         time_t starttime; /* when the job started spooling */
  34         int status; /* the status of this job */
  35         size_t size; /* the size of the job so far */
  36         int page_count; /* then number of pages so far */
  37         bool spooled; /* has it been sent to the spooler yet? */
  38         bool smbjob; /* set if the job is a SMB job */
  39         fstring filename; /* the filename used to spool the file */
  40         fstring jobname; /* the job name given to us by the client */
  41         fstring user; /* the user who started the job */
  42         fstring queuename; /* service number of printer for this job */
  43         struct spoolss_DeviceMode *devmode;
  44 };
  45
  46 /* Information for print interfaces */
  47 struct printif
  48 {
  49   /* value of the 'printing' option for this service */
  50   enum printing_types type;
  51
  52   int (*queue_get)(const char *printer_name,
  53                    enum printing_types printing_type,
  54                    char *lpq_command,
  55                    print_queue_struct **q,
  56                    print_status_struct *status);
  57   int (*queue_pause)(int snum);
  58   int (*queue_resume)(int snum);
  59   int (*job_delete)(const char *sharename, const char *lprm_command, struct printjob *pjob);
  60   int (*job_pause)(int snum, struct printjob *pjob);
  61   int (*job_resume)(int snum, struct printjob *pjob);
  62   int (*job_submit)(int snum, struct printjob *pjob);
  63 };
  64
  65 extern struct printif   generic_printif;
  66
  67 #ifdef HAVE_CUPS
  68 extern struct printif   cups_printif;
  69 #endif /* HAVE_CUPS */
  70
  71 #ifdef HAVE_IPRINT
  72 extern struct printif   iprint_printif;
  73 #endif /* HAVE_IPRINT */
  74
  75 /* PRINT_MAX_JOBID is now defined in local.h */
  76 #define UNIX_JOB_START PRINT_MAX_JOBID
  77 #define NEXT_JOBID(j) ((j+1) % PRINT_MAX_JOBID > 0 ? (j+1) % PRINT_MAX_JOBID : 1)
  78
  79 #define MAX_CACHE_VALID_TIME 3600
  80 #define CUPS_DEFAULT_CONNECTION_TIMEOUT 30
  81
  82 #ifndef PRINT_SPOOL_PREFIX
  83 #define PRINT_SPOOL_PREFIX "smbprn."
  84 #endif
  85 #define PRINT_DATABASE_VERSION 5
  86
  87 /* There can be this many printing tdb's open, plus any locked ones. */
  88 #define MAX_PRINT_DBS_OPEN 1
  89
  90 struct tdb_print_db {
  91         struct tdb_print_db *next, *prev;
  92         TDB_CONTEXT *tdb;
  93         int ref_count;
  94         fstring printer_name;
  95 };
  96
  97 /*
  98  * Used for print notify
  99  */
 100
 101 #define NOTIFY_PID_LIST_KEY "NOTIFY_PID_LIST"
 102
 103 NTSTATUS print_spool_open(files_struct *fsp,
 104                           const char *fname,
 105                           uint16_t current_vuid);
 106
 107 int print_spool_write(files_struct *fsp, const char *data, uint32_t size,
 108                       SMB_OFF_T offset, uint32_t *written);
 109
 110 void print_spool_end(files_struct *fsp, enum file_close_type close_type);
 111
 112 void print_spool_terminate(struct connection_struct *conn,
 113                            struct print_file_data *print_file);
 114
 115 /* The following definitions come from printing/printing.c  */
 116
 117 int unpack_pjob( uint8 *buf, int buflen, struct printjob *pjob );
 118 uint32 sysjob_to_jobid(int unix_jobid);
 119 void pjob_delete(const char* sharename, uint32 jobid);
 120 bool print_notify_register_pid(int snum);
 121 bool print_notify_deregister_pid(int snum);
 122 bool print_job_exists(const char* sharename, uint32 jobid);
 123 int print_job_fd(const char* sharename, uint32 jobid);
 124 char *print_job_fname(const char* sharename, uint32 jobid);
 125 struct spoolss_DeviceMode *print_job_devmode(const char* sharename, uint32 jobid);
 126 bool print_job_set_name(const char *sharename, uint32 jobid, const char *name);
 127 bool print_job_get_name(TALLOC_CTX *mem_ctx, const char *sharename, uint32_t jobid, char **name);
 128 WERROR print_job_delete(struct auth_serversupplied_info *server_info,
 129                         int snum, uint32 jobid);
 130 bool print_job_pause(struct auth_serversupplied_info *server_info, int snum,
 131                      uint32 jobid, WERROR *errcode);
 132 bool print_job_resume(struct auth_serversupplied_info *server_info, int snum,
 133                       uint32 jobid, WERROR *errcode);
 134 ssize_t print_job_write(int snum, uint32 jobid, const char *buf, SMB_OFF_T pos, size_t size);
 135 int print_queue_length(int snum, print_status_struct *pstatus);
 136 WERROR print_job_start(struct auth_serversupplied_info *server_info,
 137                        int snum, const char *docname, const char *filename,
 138                        struct spoolss_DeviceMode *devmode, uint32_t *_jobid);
 139 void print_job_endpage(int snum, uint32 jobid);
 140 NTSTATUS print_job_end(int snum, uint32 jobid, enum file_close_type close_type);
 141 int print_queue_status(int snum,
 142                        print_queue_struct **ppqueue,
 143                        print_status_struct *status);
 144 WERROR print_queue_pause(struct auth_serversupplied_info *server_info, int snum);
 145 WERROR print_queue_resume(struct auth_serversupplied_info *server_info, int snum);
 146 WERROR print_queue_purge(struct auth_serversupplied_info *server_info, int snum);
 147
 148 #endif /* PRINTING_H_ */