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author | Jeremy Allison <jra@samba.org> | 2002-11-10 22:24:10 +0000 |
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committer | Jeremy Allison <jra@samba.org> | 2002-11-10 22:24:10 +0000 |
commit | 7f94064e4ae14b1bfdbb6553420c504a1e571103 (patch) | |
tree | d0785ad496b7f3cf3a647a98caafeaf56e861cae /source3/printing/printing.c | |
parent | 9d7cd6643150704fab06982603b87df22bb3528e (diff) | |
download | samba-7f94064e4ae14b1bfdbb6553420c504a1e571103.tar.gz samba-7f94064e4ae14b1bfdbb6553420c504a1e571103.tar.bz2 samba-7f94064e4ae14b1bfdbb6553420c504a1e571103.zip |
First cut of fix for changenotify on a print server handle. Use the connections tdb
with an snum of -1 and a special printername.
Jeremy.
(This used to be commit 940b04ddfa87acc939911e3fe76496e3c4675632)
Diffstat (limited to 'source3/printing/printing.c')
-rw-r--r-- | source3/printing/printing.c | 123 |
1 files changed, 80 insertions, 43 deletions
diff --git a/source3/printing/printing.c b/source3/printing/printing.c index 9bc4606ada..cc4d588e2d 100644 --- a/source3/printing/printing.c +++ b/source3/printing/printing.c @@ -1046,15 +1046,16 @@ static void print_queue_update(int snum) ****************************************************************************/ #define NOTIFY_PID_LIST_KEY "NOTIFY_PID_LIST" +#define PRINT_SERVER_ENTRY_NAME "___PRINT_SERVER_ENTRY___" -static TDB_DATA get_printer_notify_pid_list(struct tdb_print_db *pdb, BOOL cleanlist) +static TDB_DATA get_printer_notify_pid_list(TDB_CONTEXT *tdb, const char *printer_name, BOOL cleanlist) { TDB_DATA data; size_t i; ZERO_STRUCT(data); - data = tdb_fetch_by_string( pdb->tdb, NOTIFY_PID_LIST_KEY ); + data = tdb_fetch_by_string( tdb, NOTIFY_PID_LIST_KEY ); if (!data.dptr) { ZERO_STRUCT(data); @@ -1062,9 +1063,8 @@ static TDB_DATA get_printer_notify_pid_list(struct tdb_print_db *pdb, BOOL clean } if (data.dsize % 8) { - DEBUG(0,("get_printer_notify_pid_list: Size of record for printer %s not a multiple of 8 !\n", - pdb->printer_name )); - tdb_delete_by_string(pdb->tdb, NOTIFY_PID_LIST_KEY ); + DEBUG(0,("get_printer_notify_pid_list: Size of record for printer %s not a multiple of 8 !\n", printer_name )); + tdb_delete_by_string(tdb, NOTIFY_PID_LIST_KEY ); ZERO_STRUCT(data); return data; } @@ -1089,7 +1089,7 @@ static TDB_DATA get_printer_notify_pid_list(struct tdb_print_db *pdb, BOOL clean /* Refcount == zero is a logic error and should never happen. */ if (IVAL(data.dptr, i + 4) == 0) { DEBUG(0,("get_printer_notify_pid_list: Refcount == 0 for pid = %u printer %s !\n", - (unsigned int)pid, pdb->printer_name )); + (unsigned int)pid, printer_name )); } if (data.dsize - i > 8) @@ -1108,7 +1108,8 @@ static TDB_DATA get_printer_notify_pid_list(struct tdb_print_db *pdb, BOOL clean BOOL print_notify_pid_list(const char *printername, TALLOC_CTX *mem_ctx, size_t *p_num_pids, pid_t **pp_pid_list) { - struct tdb_print_db *pdb; + struct tdb_print_db *pdb = NULL; + TDB_CONTEXT *tdb = NULL; TDB_DATA data; BOOL ret = True; size_t i, num_pids, offset; @@ -1117,17 +1118,25 @@ BOOL print_notify_pid_list(const char *printername, TALLOC_CTX *mem_ctx, size_t *p_num_pids = 0; *pp_pid_list = NULL; - pdb = get_print_db_byname(printername); - if (!pdb) - return False; + if (strequal(printername, PRINT_SERVER_ENTRY_NAME)) { + pdb = NULL; + tdb = conn_tdb_ctx(); + } else { + pdb = get_print_db_byname(printername); + if (!pdb) + return False; + tdb = pdb->tdb; + } - if (tdb_read_lock_bystring(pdb->tdb, NOTIFY_PID_LIST_KEY, 10) == -1) { - DEBUG(0,("print_notify_pid_list: Failed to lock printer %s database\n", printername)); - release_print_db(pdb); + if (tdb_read_lock_bystring(tdb, NOTIFY_PID_LIST_KEY, 10) == -1) { + DEBUG(0,("print_notify_pid_list: Failed to lock printer %s database\n", + printername)); + if (pdb) + release_print_db(pdb); return False; } - data = get_printer_notify_pid_list( pdb, True ); + data = get_printer_notify_pid_list( tdb, printername, True ); if (!data.dptr) { ret = True; @@ -1151,8 +1160,9 @@ BOOL print_notify_pid_list(const char *printername, TALLOC_CTX *mem_ctx, size_t done: - tdb_read_unlock_bystring(pdb->tdb, NOTIFY_PID_LIST_KEY); - release_print_db(pdb); + tdb_read_unlock_bystring(tdb, NOTIFY_PID_LIST_KEY); + if (pdb) + release_print_db(pdb); SAFE_FREE(data.dptr); return ret; } @@ -1165,23 +1175,34 @@ BOOL print_notify_pid_list(const char *printername, TALLOC_CTX *mem_ctx, size_t BOOL print_notify_register_pid(int snum) { TDB_DATA data; - struct tdb_print_db *pdb; - const char *printername = lp_const_servicename(snum); + struct tdb_print_db *pdb = NULL; + TDB_CONTEXT *tdb = NULL; + const char *printername; uint32 mypid = (uint32)sys_getpid(); BOOL ret = False; size_t i; - pdb = get_print_db_byname(printername); - if (!pdb) - return False; + if (snum != -1) { + printername = lp_const_servicename(snum); + pdb = get_print_db_byname(printername); + if (!pdb) + return False; + tdb = pdb->tdb; + } else { + printername = PRINT_SERVER_ENTRY_NAME; + pdb = NULL; + tdb = conn_tdb_ctx(); + } - if (tdb_lock_bystring(pdb->tdb, NOTIFY_PID_LIST_KEY, 10) == -1) { - DEBUG(0,("print_notify_register_pid: Failed to lock printer %s\n", printername)); - release_print_db(pdb); + if (tdb_lock_bystring(tdb, NOTIFY_PID_LIST_KEY, 10) == -1) { + DEBUG(0,("print_notify_register_pid: Failed to lock printer %s\n", + printername)); + if (pdb) + release_print_db(pdb); return False; } - data = get_printer_notify_pid_list( pdb, True ); + data = get_printer_notify_pid_list( tdb, printername, True ); /* Add ourselves and increase the refcount. */ @@ -1197,7 +1218,8 @@ BOOL print_notify_register_pid(int snum) /* We weren't in the list. Realloc. */ data.dptr = Realloc(data.dptr, data.dsize + 8); if (!data.dptr) { - DEBUG(0,("print_notify_register_pid: Relloc fail for printer %s\n", printername)); + DEBUG(0,("print_notify_register_pid: Relloc fail for printer %s\n", + printername)); goto done; } data.dsize += 8; @@ -1206,8 +1228,9 @@ BOOL print_notify_register_pid(int snum) } /* Store back the record. */ - if (tdb_store_by_string(pdb->tdb, NOTIFY_PID_LIST_KEY, data, TDB_REPLACE) == -1) { - DEBUG(0,("print_notify_register_pid: Failed to update pid list for printer %s\n", printername)); + if (tdb_store_by_string(tdb, NOTIFY_PID_LIST_KEY, data, TDB_REPLACE) == -1) { + DEBUG(0,("print_notify_register_pid: Failed to update pid \ +list for printer %s\n", printername)); goto done; } @@ -1215,8 +1238,9 @@ BOOL print_notify_register_pid(int snum) done: - tdb_unlock_bystring(pdb->tdb, NOTIFY_PID_LIST_KEY); - release_print_db(pdb); + tdb_unlock_bystring(tdb, NOTIFY_PID_LIST_KEY); + if (pdb) + release_print_db(pdb); SAFE_FREE(data.dptr); return ret; } @@ -1229,23 +1253,34 @@ BOOL print_notify_register_pid(int snum) BOOL print_notify_deregister_pid(int snum) { TDB_DATA data; - struct tdb_print_db *pdb; - const char *printername = lp_const_servicename(snum); + struct tdb_print_db *pdb = NULL; + TDB_CONTEXT *tdb = NULL; + const char *printername; uint32 mypid = (uint32)sys_getpid(); size_t i; BOOL ret = False; - pdb = get_print_db_byname(printername); - if (!pdb) - return False; + if (snum != -1) { + printername = lp_const_servicename(snum); + pdb = get_print_db_byname(printername); + if (!pdb) + return False; + tdb = pdb->tdb; + } else { + printername = PRINT_SERVER_ENTRY_NAME; + pdb = NULL; + tdb = conn_tdb_ctx(); + } - if (tdb_lock_bystring(pdb->tdb, NOTIFY_PID_LIST_KEY, 10) == -1) { - DEBUG(0,("print_notify_register_pid: Failed to lock printer %s database\n", printername)); - release_print_db(pdb); + if (tdb_lock_bystring(tdb, NOTIFY_PID_LIST_KEY, 10) == -1) { + DEBUG(0,("print_notify_register_pid: Failed to lock \ +printer %s database\n", printername)); + if (pdb) + release_print_db(pdb); return False; } - data = get_printer_notify_pid_list( pdb, True ); + data = get_printer_notify_pid_list( tdb, printername, True ); /* Reduce refcount. Remove ourselves if zero. */ @@ -1271,8 +1306,9 @@ BOOL print_notify_deregister_pid(int snum) SAFE_FREE(data.dptr); /* Store back the record. */ - if (tdb_store_by_string(pdb->tdb, NOTIFY_PID_LIST_KEY, data, TDB_REPLACE) == -1) { - DEBUG(0,("print_notify_register_pid: Failed to update pid list for printer %s\n", printername)); + if (tdb_store_by_string(tdb, NOTIFY_PID_LIST_KEY, data, TDB_REPLACE) == -1) { + DEBUG(0,("print_notify_register_pid: Failed to update pid \ +list for printer %s\n", printername)); goto done; } @@ -1280,8 +1316,9 @@ BOOL print_notify_deregister_pid(int snum) done: - tdb_unlock_bystring(pdb->tdb, NOTIFY_PID_LIST_KEY); - release_print_db(pdb); + tdb_unlock_bystring(tdb, NOTIFY_PID_LIST_KEY); + if (pdb) + release_print_db(pdb); SAFE_FREE(data.dptr); return ret; } |