Version 3.0
printing backend routines
Copyright (C) Andrew Tridgell 1992-2000
+ Copyright (C) Jeremy Allison 2002
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
jobids are assigned when a job starts spooling.
*/
-/* the open printing.tdb database */
-static TDB_CONTEXT *tdb;
static pid_t local_pid;
+/* Mapping between printer names and queue id's in job id's. */
+struct printer_queueid_map {
+ struct printer_queueid_map *next, *prev;
+ char *printername;
+ uint32 queueid;
+};
+
+static struct printer_queueid_map *printer_queueid_map_head;
+static uint32 last_queueid;
+
+#define QUEUEID_BITS 12
+#define QUEUEID_MASK ((1<<(QUEUEID_BITS))-1)
+#define QUEUEID_TO_JOBID(queueid) (((queueid) & QUEUEID_MASK) << 20 )
+
+/****************************************************************************
+ Create an association between a printer name and a queueid. Used to encode
+ the printer queueid in jobid's.
+ This could be converted to use an internal tdb if searching the list is
+ too slow. JRA.
+****************************************************************************/
+
+BOOL create_printer_queueid(const char *printername)
+{
+ struct printer_queueid_map *p;
+
+ for (p = printer_queueid_map_head; p; p = p->next) {
+ if (strequal(p->printername, printername))
+ return True;
+ }
+
+ p = (struct printer_queueid_map *)malloc(sizeof(*p));
+ if (!p) {
+ DEBUG(0,("create_printer_queueid: malloc fail !\n"));
+ return False;
+ }
+ ZERO_STRUCTP(p);
+ p->printername = strdup(printername);
+ if (!p->printername) {
+ DEBUG(0,("create_printer_queueid: malloc fail !\n"));
+ SAFE_FREE(p);
+ return False;
+ }
+ p->queueid = (++last_queueid);
+ if (p->queueid > QUEUEID_MASK) {
+ DEBUG(0,("create_printer_queueid: malloc fail !\n"));
+ SAFE_FREE(p->printername);
+ SAFE_FREE(p);
+ return False;
+ }
+ DLIST_ADD(printer_queueid_map_head, p);
+ return True;
+}
+
+void set_register_printer_fn(void)
+{
+ extern BOOL (*register_printer_fn)(const char *);
+ register_printer_fn = create_printer_queueid;
+}
+
+/****************************************************************************
+ Lookups.
+****************************************************************************/
+
+static uint32 get_printer_queueid_byname(const char *printername)
+{
+ struct printer_queueid_map *p;
+
+ for (p = printer_queueid_map_head; p; p = p->next) {
+ if (strequal(p->printername, printername))
+ return p->queueid;
+ }
+ return 0;
+}
+
+/****************************************************************************
+ Lookups.
+****************************************************************************/
+
+static const char *get_printer_name_byjobid(uint32 jobid)
+{
+ struct printer_queueid_map *p;
+ uint32 queueid = (((jobid)>>20) & QUEUEID_MASK);
+
+ for (p = printer_queueid_map_head; p; p = p->next) {
+ if (p->queueid == queueid)
+ return p->printername;
+ }
+ return NULL;
+}
+
static int get_queue_status(int, print_status_struct *);
+#define MAX_PRINT_DBS_OPEN 1
+
+struct tdb_print_db {
+ struct tdb_print_db *next, *prev;
+ TDB_CONTEXT *tdb;
+ fstring printer_name;
+};
+
+static struct tdb_print_db *print_db_head;
+
+/****************************************************************************
+ Function to find or create the printer specific job tdb given a printername.
+ Limits the number of tdb's open to MAX_PRINT_DBS_OPEN.
+****************************************************************************/
+
+static struct tdb_print_db *get_print_db_byname(const char *printername)
+{
+ struct tdb_print_db *p, *last_entry;
+ int num_open = 0;
+ pstring printdb_path;
+
+ for (p = print_db_head, last_entry = print_db_head; p; p = p->next) {
+ if (p->tdb && strequal(p->printer_name, printername)) {
+ DLIST_PROMOTE(print_db_head, p);
+ return p;
+ }
+ num_open++;
+ last_entry = p;
+ }
+ /* Not found. */
+ if (num_open >= MAX_PRINT_DBS_OPEN) {
+ /* Recycle the last entry. */
+ DLIST_PROMOTE(print_db_head, last_entry);
+ if (print_db_head->tdb) {
+ if (tdb_close(print_db_head->tdb)) {
+ DEBUG(0,("get_print_db: Failed to close tdb for printer %s\n",
+ print_db_head->printer_name ));
+ return NULL;
+ }
+ }
+ p = print_db_head;
+ ZERO_STRUCTP(p);
+ } else {
+ /* Create one. */
+ p = (struct tdb_print_db *)malloc(sizeof(struct tdb_print_db));
+ if (!p) {
+ DEBUG(0,("get_print_db: malloc fail !\n"));
+ return NULL;
+ }
+ ZERO_STRUCTP(p);
+ DLIST_ADD(print_db_head, p);
+ }
+
+ pstrcpy(printdb_path, lock_path(printername));
+ pstrcat(printdb_path, ".tdb");
+ p->tdb = tdb_open_log(printdb_path, 0, TDB_DEFAULT, O_RDWR|O_CREAT, 0600);
+ if (!p->tdb) {
+ DEBUG(0,("get_print_db: Failed to open printer backend database %s.\n",
+ printdb_path ));
+ DLIST_REMOVE(print_db_head, p);
+ SAFE_FREE(p);
+ return NULL;
+ }
+ fstrcpy(p->printer_name, printername);
+ return p;
+}
+
+static struct tdb_print_db *get_print_db_byjobid( uint32 jobid)
+{
+ const char *printername = get_printer_name_byjobid(jobid);
+ if (!printername)
+ return NULL;
+ return get_print_db_byname(printername);
+}
+
/****************************************************************************
Initialise the printing backend. Called once at startup.
Does not survive a fork
BOOL print_backend_init(void)
{
+ struct printer_queueid_map *p;
char *sversion = "INFO/version";
- if (tdb && local_pid == sys_getpid())
+ if (local_pid == sys_getpid())
return True;
- tdb = tdb_open_log(lock_path("printing.tdb"), 0, TDB_DEFAULT, O_RDWR|O_CREAT, 0600);
- if (!tdb) {
- DEBUG(0,("print_backend_init: Failed to open printing backend database %s.\n",
- lock_path("printing.tdb") ));
- return False;
- }
+
+ unlink(lock_path("printing.tdb"));
local_pid = sys_getpid();
/* handle a Samba upgrade */
- tdb_lock_bystring(tdb, sversion);
- if (tdb_fetch_int32(tdb, sversion) != PRINT_DATABASE_VERSION) {
- tdb_traverse(tdb, tdb_traverse_delete_fn, NULL);
- tdb_store_int32(tdb, sversion, PRINT_DATABASE_VERSION);
+
+ for (p = printer_queueid_map_head; p; p = p->next) {
+ struct tdb_print_db *pdb = get_print_db_byname(p->printername);
+
+ if (!pdb)
+ continue;
+ tdb_lock_bystring(pdb->tdb, sversion);
+ if (tdb_fetch_int32(pdb->tdb, sversion) != PRINT_DATABASE_VERSION) {
+ tdb_traverse(pdb->tdb, tdb_traverse_delete_fn, NULL);
+ tdb_store_int32(pdb->tdb, sversion, PRINT_DATABASE_VERSION);
+ }
+ tdb_unlock_bystring(pdb->tdb, sversion);
}
- tdb_unlock_bystring(tdb, sversion);
/* select the appropriate printing interface... */
#ifdef HAVE_CUPS
void printing_end(void)
{
- if (tdb) {
- tdb_close(tdb);
- tdb = NULL;
+ struct tdb_print_db *p;
+
+ for (p = print_db_head; p; ) {
+ struct tdb_print_db *next_p = p->next;
+ if (p->tdb)
+ tdb_close(p->tdb);
+ DLIST_REMOVE(print_db_head, p);
+ SAFE_FREE(p);
+ p = next_p;
}
}
Useful function to generate a tdb key.
****************************************************************************/
-static TDB_DATA print_key(int jobid)
+static TDB_DATA print_key(uint32 jobid)
{
- static int j;
+ static uint32 j;
TDB_DATA ret;
j = jobid;
Useful function to find a print job in the database.
****************************************************************************/
-static struct printjob *print_job_find(int jobid)
+static struct printjob *print_job_find(uint32 jobid)
{
static struct printjob pjob;
TDB_DATA ret;
+ struct tdb_print_db *pdb = get_print_db_byjobid(jobid);
+
+ if (!pdb)
+ return NULL;
- ret = tdb_fetch(tdb, print_key(jobid));
+ ret = tdb_fetch(pdb->tdb, print_key(jobid));
if (!ret.dptr || ret.dsize != sizeof(pjob))
return NULL;
/* Convert a unix jobid to a smb jobid */
-static int sysjob_to_jobid_value;
+static uint32 sysjob_to_jobid_value;
static int unixjob_traverse_fn(TDB_CONTEXT *the_tdb, TDB_DATA key,
TDB_DATA data, void *state)
struct printjob *pjob = (struct printjob *)data.dptr;
int *sysjob = (int *)state;
- if (key.dsize != sizeof(int))
+ if (key.dsize != sizeof(uint32))
return 0;
if (*sysjob == pjob->sysjob) {
- int *jobid = (int *)key.dptr;
+ uint32 *jobid = (uint32 *)key.dptr;
sysjob_to_jobid_value = *jobid;
return 1;
return 0;
}
-int sysjob_to_jobid(int unix_jobid)
-{
- sysjob_to_jobid_value = -1;
- tdb_traverse(tdb, unixjob_traverse_fn, &unix_jobid);
+/****************************************************************************
+ This is a *horribly expensive call as we have to iterate through all the
+ current printer tdb's. Don't do this often ! JRA.
+****************************************************************************/
- return sysjob_to_jobid_value;
+uint32 sysjob_to_jobid(int unix_jobid)
+{
+ struct printer_queueid_map *p;
+ sysjob_to_jobid_value = (uint32)-1;
+
+ for (p = printer_queueid_map_head; p; p = p->next) {
+ struct tdb_print_db *pdb = get_print_db_byname(p->printername);
+ if (pdb)
+ tdb_traverse(pdb->tdb, unixjob_traverse_fn, &unix_jobid);
+ if (sysjob_to_jobid_value != (uint32)-1)
+ return sysjob_to_jobid_value;
+ }
+ return (uint32)-1;
}
/****************************************************************************
-send notifications based on what has changed after a pjob_store
+ Send notifications based on what has changed after a pjob_store.
****************************************************************************/
static struct {
return 0;
}
-static void pjob_store_notify(int jobid, struct printjob *old_data,
+static void pjob_store_notify(uint32 jobid, struct printjob *old_data,
struct printjob *new_data)
{
BOOL new_job = False;
Store a job structure back to the database.
****************************************************************************/
-static BOOL pjob_store(int jobid, struct printjob *pjob)
+static BOOL pjob_store(uint32 jobid, struct printjob *pjob)
{
TDB_DATA old_data, new_data;
BOOL ret;
+ struct tdb_print_db *pdb = get_print_db_byjobid(jobid);
+
+ if (!pdb)
+ return False;
/* Get old data */
- old_data = tdb_fetch(tdb, print_key(jobid));
+ old_data = tdb_fetch(pdb->tdb, print_key(jobid));
/* Store new data */
new_data.dptr = (void *)pjob;
new_data.dsize = sizeof(*pjob);
- ret = (tdb_store(tdb, print_key(jobid), new_data, TDB_REPLACE) == 0);
+ ret = (tdb_store(pdb->tdb, print_key(jobid), new_data, TDB_REPLACE) == 0);
/* Send notify updates for what has changed */
Remove a job structure from the database.
****************************************************************************/
-static void pjob_delete(int jobid)
+static void pjob_delete(uint32 jobid)
{
int snum;
struct printjob *pjob = print_job_find(jobid);
uint32 job_status = 0;
+ struct tdb_print_db *pdb = get_print_db_byjobid(jobid);
+
+ if (!pdb)
+ return;
if (!pjob) {
- DEBUG(5, ("pjob_delete(): we were asked to delete nonexistent job %d\n", jobid));
+ DEBUG(5, ("pjob_delete(): we were asked to delete nonexistent job %u\n",
+ (unsigned int)jobid));
return;
}
/* Remove from printing.tdb */
- tdb_delete(tdb, print_key(jobid));
+ tdb_delete(pdb->tdb, print_key(jobid));
}
/****************************************************************************
Parse a file name from the system spooler to generate a jobid.
****************************************************************************/
-static int print_parse_jobid(char *fname)
+static uint32 print_parse_jobid(char *fname)
{
int jobid;
if (strncmp(fname,PRINT_SPOOL_PREFIX,strlen(PRINT_SPOOL_PREFIX)) != 0)
- return -1;
+ return (uint32)-1;
fname += strlen(PRINT_SPOOL_PREFIX);
jobid = atoi(fname);
if (jobid <= 0)
- return -1;
+ return (uint32)-1;
- return jobid;
+ return (uint32)jobid;
}
/****************************************************************************
static void print_unix_job(int snum, print_queue_struct *q)
{
- int jobid = q->job + UNIX_JOB_START;
+ uint32 queueid = get_printer_queueid_byname(PRINTERNAME(snum));
+ uint32 jobid = (q->job + UNIX_JOB_START) | QUEUEID_TO_JOBID(queueid);
struct printjob pj, *old_pj;
/* Preserve the timestamp on an existing unix print job */
fstrcpy(pj.filename, "");
fstrcpy(pj.jobname, q->fs_file);
fstrcpy(pj.user, q->fs_user);
- fstrcpy(pj.queuename, lp_servicename(snum));
+ fstrcpy(pj.queuename, lp_const_servicename(snum));
pjob_store(jobid, &pj);
}
static int traverse_fn_delete(TDB_CONTEXT *t, TDB_DATA key, TDB_DATA data, void *state)
{
+ uint32 queueid;
struct traverse_struct *ts = (struct traverse_struct *)state;
struct printjob pjob;
- int i, jobid;
+ uint32 jobid;
+ int i;
- if (data.dsize != sizeof(pjob) || key.dsize != sizeof(int))
+ if (data.dsize != sizeof(pjob) || key.dsize != sizeof(jobid))
return 0;
memcpy(&jobid, key.dptr, sizeof(jobid));
memcpy(&pjob, data.dptr, sizeof(pjob));
if (ts->snum != lp_servicenumber(pjob.queuename)) {
- /* this isn't for the queue we are looking at */
- ts->total_jobs++;
+ /* this isn't for the queue we are looking at - this cannot happen with the split tdb's. JRA */
return 0;
}
+ queueid = get_printer_queueid_byname(pjob.queuename);
+
if (!pjob.smbjob) {
/* remove a unix job if it isn't in the system queue any more */
for (i=0;i<ts->qcount;i++) {
- if (jobid == ts->queue[i].job + UNIX_JOB_START)
+ uint32 u_jobid = ((ts->queue[i].job + UNIX_JOB_START) | QUEUEID_TO_JOBID(queueid));
+ if (jobid == u_jobid)
break;
}
if (i == ts->qcount)
}
for (i=0;i<ts->qcount;i++) {
- int qid = print_parse_jobid(ts->queue[i].fs_file);
- if (jobid == qid)
+ uint32 curr_jobid = print_parse_jobid(ts->queue[i].fs_file) | QUEUEID_TO_JOBID(queueid);
+ if (jobid == curr_jobid)
break;
}
static void print_cache_flush(int snum)
{
fstring key;
- slprintf(key, sizeof(key)-1, "CACHE/%s", lp_servicename(snum));
- tdb_store_int32(tdb, key, -1);
+ const char *printername = lp_const_servicename(snum);
+ struct tdb_print_db *pdb = get_print_db_byname(printername);
+
+ if (!pdb)
+ return;
+ slprintf(key, sizeof(key)-1, "CACHE/%s", printername);
+ tdb_store_int32(pdb->tdb, key, -1);
}
/****************************************************************************
fstring keystr;
TDB_DATA data, key;
pid_t updating_pid;
+ struct tdb_print_db *pdb = get_print_db_byname(printer_name);
+ if (!pdb)
+ return (pid_t)-1;
slprintf(keystr, sizeof(keystr)-1, "UPDATING/%s", printer_name);
key.dptr = keystr;
key.dsize = strlen(keystr);
- data = tdb_fetch(tdb, key);
+ data = tdb_fetch(pdb->tdb, key);
if (!data.dptr || data.dsize != sizeof(pid_t))
return (pid_t)-1;
/****************************************************************************
Set the fact that we're doing the update, or have finished doing the update
- in th tdb.
+ in the tdb.
****************************************************************************/
static void set_updating_pid(fstring printer_name, BOOL delete)
TDB_DATA key;
TDB_DATA data;
pid_t updating_pid = sys_getpid();
+ struct tdb_print_db *pdb = get_print_db_byname(printer_name);
+
+ if (!pdb)
+ return;
slprintf(keystr, sizeof(keystr)-1, "UPDATING/%s", printer_name);
key.dptr = keystr;
key.dsize = strlen(keystr);
if (delete) {
- tdb_delete(tdb, key);
+ tdb_delete(pdb->tdb, key);
return;
}
data.dptr = (void *)&updating_pid;
data.dsize = sizeof(pid_t);
- tdb_store(tdb, key, data, TDB_REPLACE);
+ tdb_store(pdb->tdb, key, data, TDB_REPLACE);
}
/****************************************************************************
struct traverse_struct tstruct;
fstring keystr, printer_name, cachestr;
TDB_DATA data, key;
+ struct tdb_print_db *pdb;
+
+ fstrcpy(printer_name, lp_const_servicename(snum));
+ pdb = get_print_db_byname(printer_name);
+ if (!pdb)
+ return;
- /* Convert printer name (i.e. share name) to unix-codepage for all of the
- * following tdb key generation */
- fstrcpy(printer_name, lp_servicename(snum));
-
/*
* Check to see if someone else is doing this update.
* This is essentially a mutex on the update.
/* Lock the queue for the database update */
slprintf(keystr, sizeof(keystr) - 1, "LOCK/%s", printer_name);
- tdb_lock_bystring(tdb, keystr);
+ tdb_lock_bystring(pdb->tdb, keystr);
/*
* Ensure that no one else got in here.
/*
* Someone else is doing the update, exit.
*/
- tdb_unlock_bystring(tdb, keystr);
+ tdb_unlock_bystring(pdb->tdb, keystr);
return;
}
* the update.
*/
- tdb_unlock_bystring(tdb, keystr);
+ tdb_unlock_bystring(pdb->tdb, keystr);
/*
* Update the cache time FIRST ! Stops others even
*/
slprintf(cachestr, sizeof(cachestr)-1, "CACHE/%s", printer_name);
- tdb_store_int32(tdb, cachestr, (int)time(NULL));
+ tdb_store_int32(pdb->tdb, cachestr, (int)time(NULL));
/* get the current queue using the appropriate interface */
ZERO_STRUCT(status);
fill in any system job numbers as we go
*/
for (i=0; i<qcount; i++) {
- int jobid = print_parse_jobid(queue[i].fs_file);
+ uint32 jobid = print_parse_jobid(queue[i].fs_file);
- if (jobid == -1) {
+ if (jobid == (uint32)-1) {
/* assume its a unix print job */
print_unix_job(snum, &queue[i]);
continue;
tstruct.snum = snum;
tstruct.total_jobs = 0;
- tdb_traverse(tdb, traverse_fn_delete, (void *)&tstruct);
+ tdb_traverse(pdb->tdb, traverse_fn_delete, (void *)&tstruct);
SAFE_FREE(tstruct.queue);
- tdb_store_int32(tdb, "INFO/total_jobs", tstruct.total_jobs);
+ tdb_store_int32(pdb->tdb, "INFO/total_jobs", tstruct.total_jobs);
if( qcount != get_queue_status(snum, &old_status))
- DEBUG(10,("print_queue_update: queue status change %d jobs -> %d jobs for printer %s\n", old_status.qcount, qcount, printer_name ));
+ DEBUG(10,("print_queue_update: queue status change %d jobs -> %d jobs for printer %s\n",
+ old_status.qcount, qcount, printer_name ));
/* store the new queue status structure */
slprintf(keystr, sizeof(keystr)-1, "STATUS/%s", printer_name);
status.qcount = qcount;
data.dptr = (void *)&status;
data.dsize = sizeof(status);
- tdb_store(tdb, key, data, TDB_REPLACE);
+ tdb_store(pdb->tdb, key, data, TDB_REPLACE);
/*
* Update the cache time again. We want to do this call
*/
slprintf(keystr, sizeof(keystr)-1, "CACHE/%s", printer_name);
- tdb_store_int32(tdb, keystr, (int32)time(NULL));
+ tdb_store_int32(pdb->tdb, keystr, (int32)time(NULL));
/* Delete our pid from the db. */
set_updating_pid(printer_name, True);
Check if a jobid is valid. It is valid if it exists in the database.
****************************************************************************/
-BOOL print_job_exists(int jobid)
+BOOL print_job_exists(uint32 jobid)
{
- return tdb_exists(tdb, print_key(jobid));
+ struct tdb_print_db *pdb = get_print_db_byjobid(jobid);
+ if (!pdb)
+ return False;
+ return tdb_exists(pdb->tdb, print_key(jobid));
}
/****************************************************************************
other than the process that started the job.
****************************************************************************/
-int print_job_snum(int jobid)
+int print_job_snum(uint32 jobid)
{
struct printjob *pjob = print_job_find(jobid);
if (!pjob)
Give the fd used for a jobid.
****************************************************************************/
-int print_job_fd(int jobid)
+int print_job_fd(uint32 jobid)
{
struct printjob *pjob = print_job_find(jobid);
if (!pjob)
has not been spooled.
****************************************************************************/
-char *print_job_fname(int jobid)
+char *print_job_fname(uint32 jobid)
{
struct printjob *pjob = print_job_find(jobid);
if (!pjob || pjob->spooled || pjob->pid != local_pid)
Set the place in the queue for a job.
****************************************************************************/
-BOOL print_job_set_place(int jobid, int place)
+BOOL print_job_set_place(uint32 jobid, int place)
{
DEBUG(2,("print_job_set_place not implemented yet\n"));
return False;
Set the name of a job. Only possible for owner.
****************************************************************************/
-BOOL print_job_set_name(int jobid, char *name)
+BOOL print_job_set_name(uint32 jobid, char *name)
{
struct printjob *pjob = print_job_find(jobid);
if (!pjob || pjob->pid != local_pid)
Delete a print job - don't update queue.
****************************************************************************/
-static BOOL print_job_delete1(int jobid)
+static BOOL print_job_delete1(uint32 jobid)
{
struct printjob *pjob = print_job_find(jobid);
int snum, result = 0;
snum = print_job_snum(jobid);
if (snum == -1) {
- DEBUG(5,("print_job_delete1: unknown service number for jobid %d\n", jobid));
+ DEBUG(5,("print_job_delete1: unknown service number for jobid %u\n", (unsigned int)jobid));
return False;
}
has reached the spooler. */
if (pjob->sysjob == -1) {
- DEBUG(5, ("attempt to delete job %d not seen by lpr\n", jobid));
+ DEBUG(5, ("attempt to delete job %u not seen by lpr\n", (unsigned int)jobid));
}
/* Set the tdb entry to be deleting. */
Return true if the current user owns the print job.
****************************************************************************/
-static BOOL is_owner(struct current_user *user, int jobid)
+static BOOL is_owner(struct current_user *user, uint32 jobid)
{
struct printjob *pjob = print_job_find(jobid);
user_struct *vuser;
Delete a print job.
****************************************************************************/
-BOOL print_job_delete(struct current_user *user, int jobid, WERROR *errcode)
+BOOL print_job_delete(struct current_user *user, uint32 jobid, WERROR *errcode)
{
int snum = print_job_snum(jobid);
BOOL owner;
Pause a job.
****************************************************************************/
-BOOL print_job_pause(struct current_user *user, int jobid, WERROR *errcode)
+BOOL print_job_pause(struct current_user *user, uint32 jobid, WERROR *errcode)
{
struct printjob *pjob = print_job_find(jobid);
int snum, ret = -1;
snum = print_job_snum(jobid);
if (snum == -1) {
- DEBUG(5,("print_job_pause: unknown service number for jobid %d\n", jobid));
+ DEBUG(5,("print_job_pause: unknown service number for jobid %u\n", (unsigned int)jobid));
return False;
}
Resume a job.
****************************************************************************/
-BOOL print_job_resume(struct current_user *user, int jobid, WERROR *errcode)
+BOOL print_job_resume(struct current_user *user, uint32 jobid, WERROR *errcode)
{
struct printjob *pjob = print_job_find(jobid);
int snum, ret;
snum = print_job_snum(jobid);
if (snum == -1) {
- DEBUG(5,("print_job_resume: unknown service number for jobid %d\n", jobid));
+ DEBUG(5,("print_job_resume: unknown service number for jobid %u\n", (unsigned int)jobid));
return False;
}
Write to a print file.
****************************************************************************/
-int print_job_write(int jobid, const char *buf, int size)
+int print_job_write(uint32 jobid, const char *buf, int size)
{
int return_code;
struct printjob *pjob = print_job_find(jobid);
{
fstring key;
time_t last_qscan_time, time_now = time(NULL);
+ const char *printername = lp_const_servicename(snum);
+ struct tdb_print_db *pdb = get_print_db_byname(printername);
+
+ if (!pdb)
+ return False;
- slprintf(key, sizeof(key), "CACHE/%s", lp_servicename(snum));
- last_qscan_time = (time_t)tdb_fetch_int32(tdb, key);
+ slprintf(key, sizeof(key), "CACHE/%s", printername);
+ last_qscan_time = (time_t)tdb_fetch_int32(pdb->tdb, key);
/*
* Invalidate the queue for 3 reasons.
if (last_qscan_time == ((time_t)-1) || (time_now - last_qscan_time) >= lp_lpqcachetime() ||
last_qscan_time > (time_now + MAX_CACHE_VALID_TIME)) {
DEBUG(3, ("print cache expired for queue %s \
-(last_qscan_time = %d, time now = %d, qcachetime = %d)\n", lp_servicename(snum),
+(last_qscan_time = %d, time now = %d, qcachetime = %d)\n", printername,
(int)last_qscan_time, (int)time_now, (int)lp_lpqcachetime() ));
return True;
}
{
fstring keystr;
TDB_DATA data, key;
+ const char *printername = lp_const_servicename(snum);
+ struct tdb_print_db *pdb = get_print_db_byname(printername);
+ if (!pdb)
+ return 0;
ZERO_STRUCTP(status);
- slprintf(keystr, sizeof(keystr)-1, "STATUS/%s", lp_servicename(snum));
+ slprintf(keystr, sizeof(keystr)-1, "STATUS/%s", printername);
key.dptr = keystr;
key.dsize = strlen(keystr);
- data = tdb_fetch(tdb, key);
+ data = tdb_fetch(pdb->tdb, key);
if (data.dptr) {
if (data.dsize == sizeof(print_status_struct)) {
memcpy(status, data.dptr, sizeof(print_status_struct));
}
/****************************************************************************
- Determine the number of jobs in all queues.
+ Determine the number of jobs in all queues. This is very expensive. Don't
+ call ! JRA.
****************************************************************************/
-static int get_total_jobs(int snum)
+static int get_total_jobs(void)
{
int total_jobs;
+ struct printer_queueid_map *p;
- /* make sure the database is up to date */
- if (print_cache_expired(snum))
- print_queue_update(snum);
+ for (p = printer_queueid_map_head; p; p = p->next) {
+ int jobs;
+ struct tdb_print_db *pdb = get_print_db_byname(p->printername);
+ if (!pdb)
+ continue;
- total_jobs = tdb_fetch_int32(tdb, "INFO/total_jobs");
- if (total_jobs >0)
- return total_jobs;
- else
- return 0;
+ /* make sure the database is up to date */
+ if (print_cache_expired(lp_servicenumber(p->printername)))
+ print_queue_update(lp_servicenumber(p->printername));
+
+ jobs = tdb_fetch_int32(pdb->tdb, "INFO/total_jobs");
+ if (jobs > 0)
+ total_jobs += jobs;
+ }
+ return total_jobs;
}
/***************************************************************************
Start spooling a job - return the jobid.
***************************************************************************/
-int print_job_start(struct current_user *user, int snum, char *jobname)
+uint32 print_job_start(struct current_user *user, int snum, char *jobname)
{
- int jobid;
+ uint32 jobid;
char *path;
struct printjob pjob;
int next_jobid;
user_struct *vuser;
int njobs = 0;
+ const char *printername = lp_const_servicename(snum);
+ struct tdb_print_db *pdb = get_print_db_byname(printername);
+ uint32 queueid = queueid = get_printer_queueid_byname(printername);
errno = 0;
+ if (!pdb)
+ return (uint32)-1;
+
if (!print_access_check(user, snum, PRINTER_ACCESS_USE)) {
DEBUG(3, ("print_job_start: job start denied by security descriptor\n"));
- return -1;
+ return (uint32)-1;
}
if (!print_time_access_check(snum)) {
DEBUG(3, ("print_job_start: job start denied by time check\n"));
- return -1;
+ return (uint32)-1;
}
path = lp_pathname(snum);
dspace < 2*(SMB_BIG_UINT)lp_minprintspace(snum)) {
DEBUG(3, ("print_job_start: disk space check failed.\n"));
errno = ENOSPC;
- return -1;
+ return (uint32)-1;
}
}
/* for autoloaded printers, check that the printcap entry still exists */
- if (lp_autoloaded(snum) && !pcap_printername_ok(lp_servicename(snum), NULL)) {
- DEBUG(3, ("print_job_start: printer name %s check failed.\n", lp_servicename(snum) ));
+ if (lp_autoloaded(snum) && !pcap_printername_ok(lp_const_servicename(snum), NULL)) {
+ DEBUG(3, ("print_job_start: printer name %s check failed.\n", lp_const_servicename(snum) ));
errno = ENOENT;
- return -1;
+ return (uint32)-1;
}
/* Insure the maximum queue size is not violated */
DEBUG(3, ("print_job_start: number of jobs (%d) larger than max printjobs per queue (%d).\n",
njobs, lp_maxprintjobs(snum) ));
errno = ENOSPC;
- return -1;
+ return (uint32)-1;
}
/* Insure the maximum print jobs in the system is not violated */
- if (lp_totalprintjobs() && get_total_jobs(snum) > lp_totalprintjobs()) {
+ if (lp_totalprintjobs() && get_total_jobs() > lp_totalprintjobs()) {
DEBUG(3, ("print_job_start: number of jobs (%d) larger than max printjobs per system (%d).\n",
njobs, lp_totalprintjobs() ));
errno = ENOSPC;
- return -1;
+ return (uint32)-1;
}
/* create the database entry */
fstrcpy(pjob.user, uidtoname(user->uid));
}
- fstrcpy(pjob.queuename, lp_servicename(snum));
+ fstrcpy(pjob.queuename, lp_const_servicename(snum));
/* lock the database */
- tdb_lock_bystring(tdb, "INFO/nextjob");
+ tdb_lock_bystring(pdb->tdb, "INFO/nextjob");
- next_jobid = tdb_fetch_int32(tdb, "INFO/nextjob");
+ next_jobid = tdb_fetch_int32(pdb->tdb, "INFO/nextjob");
if (next_jobid == -1)
next_jobid = 1;
for (jobid = NEXT_JOBID(next_jobid); jobid != next_jobid; jobid = NEXT_JOBID(jobid)) {
- if (!print_job_exists(jobid))
+ if (!print_job_exists(jobid | QUEUEID_TO_JOBID(queueid)))
break;
}
- if (jobid == next_jobid || !pjob_store(jobid, &pjob)) {
+ if (jobid == next_jobid || !pjob_store(jobid | QUEUEID_TO_JOBID(queueid), &pjob)) {
DEBUG(3, ("print_job_start: either jobid (%d)==next_jobid(%d) or pjob_store failed.\n",
jobid, next_jobid ));
jobid = -1;
goto fail;
}
- tdb_store_int32(tdb, "INFO/nextjob", jobid);
+ if (tdb_store_int32(pdb->tdb, "INFO/nextjob", jobid)==-1) {
+ DEBUG(3, ("print_job_start: failed to store INFO/nextjob.\n"));
+ jobid = -1;
+ goto fail;
+ }
+
+ /* Ensure the queuid is added to the jobid. */
+ jobid |= QUEUEID_TO_JOBID(queueid);
/* we have a job entry - now create the spool file */
- slprintf(pjob.filename, sizeof(pjob.filename)-1, "%s/%s%.6d.XXXXXX",
- path, PRINT_SPOOL_PREFIX, jobid);
+ slprintf(pjob.filename, sizeof(pjob.filename)-1, "%s/%s%.8u.XXXXXX",
+ path, PRINT_SPOOL_PREFIX, (unsigned int)jobid);
pjob.fd = smb_mkstemp(pjob.filename);
if (pjob.fd == -1) {
pjob_store(jobid, &pjob);
- tdb_unlock_bystring(tdb, "INFO/nextjob");
+ tdb_unlock_bystring(pdb->tdb, "INFO/nextjob");
/*
* If the printer is marked as postscript output a leading
if (jobid != -1)
pjob_delete(jobid);
- tdb_unlock_bystring(tdb, "INFO/nextjob");
+ tdb_unlock_bystring(pdb->tdb, "INFO/nextjob");
DEBUG(3, ("print_job_start: returning fail. Error = %s\n", strerror(errno) ));
return -1;
Update the number of pages spooled to jobid
****************************************************************************/
-void print_job_endpage(int jobid)
+void print_job_endpage(uint32 jobid)
{
struct printjob *pjob = print_job_find(jobid);
if (!pjob)
error.
****************************************************************************/
-BOOL print_job_end(int jobid, BOOL normal_close)
+BOOL print_job_end(uint32 jobid, BOOL normal_close)
{
struct printjob *pjob = print_job_find(jobid);
int snum, ret;
snum = print_job_snum(jobid);
if (snum == -1) {
- DEBUG(5,("print_job_end: unknown service number for jobid %d\n", jobid));
+ DEBUG(5,("print_job_end: unknown service number for jobid %u\n", (unsigned int)jobid));
return False;
}
goto fail;
}
- /* Technically, this is not quit right. If the printer has a separator
+ /* Technically, this is not quite right. If the printer has a separator
* page turned on, the NT spooler prints the separator page even if the
* print job is 0 bytes. 010215 JRR */
if (pjob->size == 0 || pjob->status == LPQ_DELETING) {
{
struct traverse_struct *ts = (struct traverse_struct *)state;
struct printjob pjob;
- int i, jobid;
+ int i;
+ uint32 jobid;
if (data.dsize != sizeof(pjob) || key.dsize != sizeof(int))
return 0;
{
struct traverse_count_struct *ts = (struct traverse_count_struct *)state;
struct printjob pjob;
- int jobid;
+ uint32 jobid;
if (data.dsize != sizeof(pjob) || key.dsize != sizeof(int))
return 0;
memcpy(&jobid, key.dptr, sizeof(jobid));
memcpy(&pjob, data.dptr, sizeof(pjob));
- /* maybe it isn't for this queue */
+ /* maybe it isn't for this queue - this cannot happen with the tdb/printer code. JRA */
if (ts->snum != lp_servicenumber(pjob.queuename))
return 0;
struct traverse_count_struct tsc;
fstring keystr;
TDB_DATA data, key;
+ const char *printername = lp_const_servicename(snum);
+ struct tdb_print_db *pdb = get_print_db_byname(printername);
+
+ *queue = NULL;
+
+ if (!pdb)
+ return 0;
/* make sure the database is up to date */
if (print_cache_expired(snum))
print_queue_update(snum);
- *queue = NULL;
-
/*
* Fetch the queue status. We must do this first, as there may
* be no jobs in the queue.
*/
ZERO_STRUCTP(status);
- slprintf(keystr, sizeof(keystr)-1, "STATUS/%s", lp_servicename(snum));
+ slprintf(keystr, sizeof(keystr)-1, "STATUS/%s", printername);
key.dptr = keystr;
key.dsize = strlen(keystr);
- data = tdb_fetch(tdb, key);
+ data = tdb_fetch(pdb->tdb, key);
if (data.dptr) {
if (data.dsize == sizeof(*status)) {
memcpy(status, data.dptr, sizeof(*status));
tsc.count = 0;
tsc.snum = snum;
- tdb_traverse(tdb, traverse_count_fn_queue, (void *)&tsc);
+ tdb_traverse(pdb->tdb, traverse_count_fn_queue, (void *)&tsc);
if (tsc.count == 0)
return 0;
tstruct.maxcount = tsc.count;
tstruct.snum = snum;
- tdb_traverse(tdb, traverse_fn_queue, (void *)&tstruct);
+ tdb_traverse(pdb->tdb, traverse_fn_queue, (void *)&tstruct);
/* Sort the queue by submission time otherwise they are displayed
in hash order. */
Turn a queue name into a snum.
****************************************************************************/
-int print_queue_snum(char *qname)
+int print_queue_snum(const char *qname)
{
int snum = lp_servicenumber(qname);
if (snum == -1 || !lp_print_ok(snum))
git.samba.org / samba.git / commitdiff