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samba-mirror/source3/include/printing.h
Simo Sorce 2e8a85ec72 s3:smbd - Move printing queue stuff
This way we can properly deal with pcap updates in the background queue process
if it is enabled (on by default) and not perform these actions in the main
smbd process.

Signed-off-by: Günther Deschner <gd@samba.org>
2011-08-02 15:28:03 +02:00

259 lines
8.3 KiB
C

#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.
*/
#include "tdb_compat.h"
/* Extra fields above "LPQ_PRINTING" are used to map extra NT status codes. */
enum {
LPQ_QUEUED = 0,
LPQ_PAUSED,
LPQ_SPOOLING,
LPQ_PRINTING,
LPQ_ERROR,
LPQ_DELETING,
LPQ_OFFLINE,
LPQ_PAPEROUT,
LPQ_PRINTED,
LPQ_DELETED,
LPQ_BLOCKED,
LPQ_USER_INTERVENTION,
/* smbd is dooing the file spooling before passing control to spoolss */
PJOB_SMBD_SPOOLING
};
typedef struct _print_queue_struct {
int job; /* normally the UNIX jobid -- see note in
printing.c:traverse_fn_delete() */
int size;
int page_count;
int status;
int priority;
time_t time;
fstring fs_user;
fstring fs_file;
} print_queue_struct;
enum {LPSTAT_OK, LPSTAT_STOPPED, LPSTAT_ERROR};
typedef struct {
fstring message;
int qcount;
int status;
} print_status_struct;
/* 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 clientmachine; /* The client machine which started this job */
fstring queuename; /* service number of printer for this job */
struct spoolss_DeviceMode *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 7
#ifdef AIX
#define DEFAULT_PRINTING PRINT_AIX
#define PRINTCAP_NAME "/etc/qconfig"
#endif
#ifdef HPUX
#define DEFAULT_PRINTING PRINT_HPUX
#endif
#ifdef QNX
#define DEFAULT_PRINTING PRINT_QNX
#endif
#ifndef DEFAULT_PRINTING
#ifdef HAVE_CUPS
#define DEFAULT_PRINTING PRINT_CUPS
#define PRINTCAP_NAME "cups"
#elif defined(SYSV)
#define DEFAULT_PRINTING PRINT_SYSV
#define PRINTCAP_NAME "lpstat"
#else
#define DEFAULT_PRINTING PRINT_BSD
#define PRINTCAP_NAME "/etc/printcap"
#endif
#endif
#ifndef PRINTCAP_NAME
#define PRINTCAP_NAME "/etc/printcap"
#endif
/* 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;
struct tdb_context *tdb;
int ref_count;
fstring printer_name;
};
/*
* Used for print notify
*/
#define NOTIFY_PID_LIST_KEY "NOTIFY_PID_LIST"
/* The following definitions come from printing/printspoolss.c */
NTSTATUS print_spool_open(files_struct *fsp,
const char *fname,
uint16_t current_vuid);
int print_spool_write(files_struct *fsp, const char *data, uint32_t size,
SMB_OFF_T offset, uint32_t *written);
void print_spool_end(files_struct *fsp, enum file_close_type close_type);
void print_spool_terminate(struct connection_struct *conn,
struct print_file_data *print_file);
/* The following definitions come from printing/printing.c */
uint32 sysjob_to_jobid(int unix_jobid);
bool print_notify_register_pid(int snum);
bool print_notify_deregister_pid(int snum);
bool print_job_exists(const char* sharename, uint32 jobid);
char *print_job_fname(const char* sharename, uint32 jobid);
struct spoolss_DeviceMode *print_job_devmode(const char* sharename, uint32 jobid);
bool print_job_set_name(struct tevent_context *ev,
struct messaging_context *msg_ctx,
const char *sharename, uint32 jobid, const char *name);
bool print_job_get_name(TALLOC_CTX *mem_ctx, const char *sharename, uint32_t jobid, char **name);
WERROR print_job_delete(const struct auth_session_info *server_info,
struct messaging_context *msg_ctx,
int snum, uint32_t jobid);
bool print_job_pause(const struct auth_session_info *server_info,
struct messaging_context *msg_ctx,
int snum, uint32 jobid, WERROR *errcode);
bool print_job_resume(const struct auth_session_info *server_info,
struct messaging_context *msg_ctx,
int snum, uint32 jobid, WERROR *errcode);
ssize_t print_job_write(struct tevent_context *ev,
struct messaging_context *msg_ctx,
int snum, uint32 jobid, const char *buf, size_t size);
int print_queue_length(struct messaging_context *msg_ctx, int snum,
print_status_struct *pstatus);
WERROR print_job_start(const struct auth_session_info *server_info,
struct messaging_context *msg_ctx,
const char *clientmachine,
int snum, const char *docname, const char *filename,
struct spoolss_DeviceMode *devmode, uint32_t *_jobid);
void print_job_endpage(struct messaging_context *msg_ctx,
int snum, uint32 jobid);
NTSTATUS print_job_end(struct messaging_context *msg_ctx, int snum,
uint32 jobid, enum file_close_type close_type);
int print_queue_status(struct messaging_context *msg_ctx, int snum,
print_queue_struct **ppqueue,
print_status_struct *status);
WERROR print_queue_pause(const struct auth_session_info *server_info,
struct messaging_context *msg_ctx, int snum);
WERROR print_queue_resume(const struct auth_session_info *server_info,
struct messaging_context *msg_ctx, int snum);
WERROR print_queue_purge(const struct auth_session_info *server_info,
struct messaging_context *msg_ctx, int snum);
uint16 pjobid_to_rap(const char* sharename, uint32 jobid);
bool rap_to_pjobid(uint16 rap_jobid, fstring sharename, uint32 *pjobid);
void rap_jobid_delete(const char* sharename, uint32 jobid);
bool print_backend_init(struct messaging_context *msg_ctx);
void printing_end(void);
/* The following definitions come from printing/lpq_parse.c */
bool parse_lpq_entry(enum printing_types printing_type,char *line,
print_queue_struct *buf,
print_status_struct *status,bool first);
uint32_t print_parse_jobid(const char *fname);
/* The following definitions come from printing/printing_db.c */
struct tdb_print_db *get_print_db_byname(const char *printername);
void release_print_db( struct tdb_print_db *pdb);
void close_all_print_db(void);
TDB_DATA get_printer_notify_pid_list(struct tdb_context *tdb, const char *printer_name, bool cleanlist);
void print_queue_receive(struct messaging_context *msg,
void *private_data,
uint32_t msg_type,
struct server_id server_id,
DATA_BLOB *data);
#endif /* PRINTING_H_ */