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 clientmachine; /* The client machine which started this job */
  43         fstring queuename; /* service number of printer for this job */
  44         struct spoolss_DeviceMode *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)(const char *sharename, const char *lprm_command, 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 #ifdef HAVE_IPRINT
  73 extern struct printif   iprint_printif;
  74 #endif /* HAVE_IPRINT */
  75
  76 /* PRINT_MAX_JOBID is now defined in local.h */
  77 #define UNIX_JOB_START PRINT_MAX_JOBID
  78 #define NEXT_JOBID(j) ((j+1) % PRINT_MAX_JOBID > 0 ? (j+1) % PRINT_MAX_JOBID : 1)
  79
  80 #define MAX_CACHE_VALID_TIME 3600
  81 #define CUPS_DEFAULT_CONNECTION_TIMEOUT 30
  82
  83 #ifndef PRINT_SPOOL_PREFIX
  84 #define PRINT_SPOOL_PREFIX "smbprn."
  85 #endif
  86 #define PRINT_DATABASE_VERSION 7
  87
  88 /* There can be this many printing tdb's open, plus any locked ones. */
  89 #define MAX_PRINT_DBS_OPEN 1
  90
  91 struct tdb_print_db {
  92         struct tdb_print_db *next, *prev;
  93         TDB_CONTEXT *tdb;
  94         int ref_count;
  95         fstring printer_name;
  96 };
  97
  98 /*
  99  * Used for print notify
 100  */
 101
 102 #define NOTIFY_PID_LIST_KEY "NOTIFY_PID_LIST"
 103
 104 NTSTATUS print_spool_open(files_struct *fsp,
 105                           const char *fname,
 106                           uint16_t current_vuid);
 107
 108 int print_spool_write(files_struct *fsp, const char *data, uint32_t size,
 109                       SMB_OFF_T offset, uint32_t *written);
 110
 111 void print_spool_end(files_struct *fsp, enum file_close_type close_type);
 112
 113 void print_spool_terminate(struct connection_struct *conn,
 114                            struct print_file_data *print_file);
 115
 116 /* The following definitions come from printing/printing.c  */
 117
 118 uint32 sysjob_to_jobid(int unix_jobid);
 119 bool print_notify_register_pid(int snum);
 120 bool print_notify_deregister_pid(int snum);
 121 bool print_job_exists(const char* sharename, uint32 jobid);
 122 char *print_job_fname(const char* sharename, uint32 jobid);
 123 struct spoolss_DeviceMode *print_job_devmode(const char* sharename, uint32 jobid);
 124 bool print_job_set_name(struct tevent_context *ev,
 125                         struct messaging_context *msg_ctx,
 126                         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(const struct auth_serversupplied_info *server_info,
 129                         struct messaging_context *msg_ctx,
 130                         int snum, uint32_t jobid);
 131 bool print_job_pause(const struct auth_serversupplied_info *server_info,
 132                      struct messaging_context *msg_ctx,
 133                      int snum, uint32 jobid, WERROR *errcode);
 134 bool print_job_resume(const struct auth_serversupplied_info *server_info,
 135                       struct messaging_context *msg_ctx,
 136                       int snum, uint32 jobid, WERROR *errcode);
 137 ssize_t print_job_write(struct tevent_context *ev,
 138                         struct messaging_context *msg_ctx,
 139                         int snum, uint32 jobid, const char *buf, size_t size);
 140 int print_queue_length(struct messaging_context *msg_ctx, int snum,
 141                        print_status_struct *pstatus);
 142 WERROR print_job_start(const struct auth_serversupplied_info *server_info,
 143                        struct messaging_context *msg_ctx,
 144                        const char *clientmachine,
 145                        int snum, const char *docname, const char *filename,
 146                        struct spoolss_DeviceMode *devmode, uint32_t *_jobid);
 147 void print_job_endpage(struct messaging_context *msg_ctx,
 148                        int snum, uint32 jobid);
 149 NTSTATUS print_job_end(struct messaging_context *msg_ctx, int snum,
 150                        uint32 jobid, enum file_close_type close_type);
 151 int print_queue_status(struct messaging_context *msg_ctx, int snum,
 152                        print_queue_struct **ppqueue,
 153                        print_status_struct *status);
 154 WERROR print_queue_pause(const struct auth_serversupplied_info *server_info,
 155                          struct messaging_context *msg_ctx, int snum);
 156 WERROR print_queue_resume(const struct auth_serversupplied_info *server_info,
 157                           struct messaging_context *msg_ctx, int snum);
 158 WERROR print_queue_purge(const struct auth_serversupplied_info *server_info,
 159                          struct messaging_context *msg_ctx, int snum);
 160
 161 #endif /* PRINTING_H_ */