The branch, master has been updated
       via  e945511 move the dbwrap library to the top level
       via  f5e5ed7 s3:build: move lib/dbwrap/dbwrap_util.o to the other dbwrap 
objects...
       via  e96a842 s3:lib:dbwrap: use [u]int[num]_t consistently in 
dbwrap_tdb.c
       via  db7a8bf s3:lib:dbwrap: use [u]int[num]_t consistently in 
dbwrap_rbt.c
       via  7465484 s3:lib:dbwrap: use [u]int[num]_t consistently in 
dbwrap_ctdb.c
       via  03183e3 s3:lib:dbwrap: use [u]int[num]_t consistently in 
dbwrap_file.c
       via  05afaa8 s3:lib:dbwrap: use [u]int[num]_t consistently in 
dbwrap_util.c
       via  508a33f s3:dbwrap: move definition of dbwrap_lock_order to dbwrap.h
       via  3583922 tevent: fix indentation in the wscript
      from  8f887ce s3:smb2_sesssetup: make the top level code async using

http://gitweb.samba.org/?p=samba.git;a=shortlog;h=master


- Log -----------------------------------------------------------------
commit e945511aae52c0bc50007ffc703241c7da1db372
Author: Michael Adam <[email protected]>
Date:   Fri May 11 22:11:42 2012 +0200

    move the dbwrap library to the top level
    
    Autobuild-User: Michael Adam <[email protected]>
    Autobuild-Date: Mon May 14 04:04:55 CEST 2012 on sn-devel-104

commit f5e5ed79ccc10e0b6aa50f6b6747d48d9505e7ee
Author: Michael Adam <[email protected]>
Date:   Mon May 14 01:52:09 2012 +0200

    s3:build: move lib/dbwrap/dbwrap_util.o to the other dbwrap objects...

commit e96a84252766d40ff452d41b8ae7d4b67c4d677b
Author: Michael Adam <[email protected]>
Date:   Fri May 11 21:56:03 2012 +0200

    s3:lib:dbwrap: use [u]int[num]_t consistently in dbwrap_tdb.c

commit db7a8bf43c5732a59394ffb13bf057d2fdaf5b7d
Author: Michael Adam <[email protected]>
Date:   Fri May 11 21:54:46 2012 +0200

    s3:lib:dbwrap: use [u]int[num]_t consistently in dbwrap_rbt.c

commit 746548401fa53232b497439157f84c62ad00a575
Author: Michael Adam <[email protected]>
Date:   Fri May 11 21:53:13 2012 +0200

    s3:lib:dbwrap: use [u]int[num]_t consistently in dbwrap_ctdb.c

commit 03183e35848d4b691af58b45921938726147e956
Author: Michael Adam <[email protected]>
Date:   Fri May 11 21:49:40 2012 +0200

    s3:lib:dbwrap: use [u]int[num]_t consistently in dbwrap_file.c

commit 05afaa8361124f7d659d36856ec6253b62fb09a8
Author: Michael Adam <[email protected]>
Date:   Fri May 11 21:46:23 2012 +0200

    s3:lib:dbwrap: use [u]int[num]_t consistently in dbwrap_util.c

commit 508a33fc2af8f2c1bcfe9aad5362cf3a9762c585
Author: Michael Adam <[email protected]>
Date:   Fri May 11 21:36:48 2012 +0200

    s3:dbwrap: move definition of dbwrap_lock_order to dbwrap.h
    
    This is needed in all of the library, not only in the dbwrap_open part.

commit 3583922c8277bf0ab9003953cb0a6ba27b7e7988
Author: Michael Adam <[email protected]>
Date:   Fri May 11 18:27:01 2012 +0200

    tevent: fix indentation in the wscript
    
    (accidentially commited in 5e8dee8d96a7522cdcde57dbbf93fbe9c614992e)

-----------------------------------------------------------------------

Summary of changes:
 lib/dbwrap/dbwrap.c                        |  398 ++++++++++++++++++++
 lib/dbwrap/dbwrap.h                        |  131 +++++++
 {source3/lib => lib}/dbwrap/dbwrap_cache.c |    0
 {source3/lib => lib}/dbwrap/dbwrap_cache.h |    0
 lib/dbwrap/dbwrap_file.c                   |  418 +++++++++++++++++++++
 {source3/lib => lib}/dbwrap/dbwrap_file.h  |    0
 lib/dbwrap/dbwrap_private.h                |   70 ++++
 lib/dbwrap/dbwrap_rbt.c                    |  450 +++++++++++++++++++++++
 {source3/lib => lib}/dbwrap/dbwrap_rbt.h   |    0
 lib/dbwrap/dbwrap_tdb.c                    |  447 +++++++++++++++++++++++
 {source3/lib => lib}/dbwrap/dbwrap_tdb.h   |    0
 lib/dbwrap/dbwrap_util.c                   |  539 ++++++++++++++++++++++++++++
 lib/dbwrap/wscript_build                   |   11 +
 lib/tevent/wscript                         |    2 +-
 source3/Makefile.in                        |   11 +-
 source3/lib/dbwrap/dbwrap.c                |  398 --------------------
 source3/lib/dbwrap/dbwrap.h                |  125 -------
 source3/lib/dbwrap/dbwrap_ctdb.c           |   15 +-
 source3/lib/dbwrap/dbwrap_file.c           |  417 ---------------------
 source3/lib/dbwrap/dbwrap_open.h           |    6 -
 source3/lib/dbwrap/dbwrap_private.h        |   72 ----
 source3/lib/dbwrap/dbwrap_rbt.c            |  450 -----------------------
 source3/lib/dbwrap/dbwrap_tdb.c            |  447 -----------------------
 source3/lib/dbwrap/dbwrap_util.c           |  539 ----------------------------
 source3/lib/dbwrap/dbwrap_watch.c          |    2 +-
 source3/lib/dbwrap/dbwrap_watch.h          |    2 +-
 source3/wscript_build                      |    5 -
 source4/ntvfs/posix/python/pyxattr_tdb.c   |    6 +-
 wscript_build                              |    1 +
 29 files changed, 2486 insertions(+), 2476 deletions(-)
 create mode 100644 lib/dbwrap/dbwrap.c
 create mode 100644 lib/dbwrap/dbwrap.h
 rename {source3/lib => lib}/dbwrap/dbwrap_cache.c (100%)
 rename {source3/lib => lib}/dbwrap/dbwrap_cache.h (100%)
 create mode 100644 lib/dbwrap/dbwrap_file.c
 rename {source3/lib => lib}/dbwrap/dbwrap_file.h (100%)
 create mode 100644 lib/dbwrap/dbwrap_private.h
 create mode 100644 lib/dbwrap/dbwrap_rbt.c
 rename {source3/lib => lib}/dbwrap/dbwrap_rbt.h (100%)
 create mode 100644 lib/dbwrap/dbwrap_tdb.c
 rename {source3/lib => lib}/dbwrap/dbwrap_tdb.h (100%)
 create mode 100644 lib/dbwrap/dbwrap_util.c
 create mode 100644 lib/dbwrap/wscript_build
 delete mode 100644 source3/lib/dbwrap/dbwrap.c
 delete mode 100644 source3/lib/dbwrap/dbwrap.h
 delete mode 100644 source3/lib/dbwrap/dbwrap_file.c
 delete mode 100644 source3/lib/dbwrap/dbwrap_private.h
 delete mode 100644 source3/lib/dbwrap/dbwrap_rbt.c
 delete mode 100644 source3/lib/dbwrap/dbwrap_tdb.c
 delete mode 100644 source3/lib/dbwrap/dbwrap_util.c


Changeset truncated at 500 lines:

diff --git a/lib/dbwrap/dbwrap.c b/lib/dbwrap/dbwrap.c
new file mode 100644
index 0000000..dbf10f7
--- /dev/null
+++ b/lib/dbwrap/dbwrap.c
@@ -0,0 +1,398 @@
+/*
+   Unix SMB/CIFS implementation.
+   Database interface wrapper
+   Copyright (C) Jim McDonough <[email protected]> 2006
+
+   Major code contributions from Aleksey Fedoseev ([email protected])
+
+   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/>.
+*/
+
+#include "includes.h"
+#include "dbwrap/dbwrap.h"
+#include "dbwrap/dbwrap_private.h"
+#include "lib/util/util_tdb.h"
+
+/*
+ * Fall back using fetch if no genuine exists operation is provided
+ */
+
+static int dbwrap_fallback_exists(struct db_context *db, TDB_DATA key)
+{
+       NTSTATUS status = dbwrap_parse_record(db, key, NULL, NULL);
+       return NT_STATUS_IS_OK(status) ? 1 : 0;
+}
+
+static int delete_record(struct db_record *rec, void *data)
+{
+       NTSTATUS status = dbwrap_record_delete(rec);
+       return NT_STATUS_IS_OK(status) ? 0 : -1;
+}
+
+/*
+ * Fallback wipe implementation using traverse and delete if no genuine
+ * wipe operation is provided
+ */
+static int dbwrap_fallback_wipe(struct db_context *db)
+{
+       NTSTATUS status = dbwrap_trans_traverse(db, delete_record, NULL);
+       return NT_STATUS_IS_OK(status) ? 0 : -1;
+}
+
+
+/*
+ * Wrapper functions for the backend methods
+ */
+
+TDB_DATA dbwrap_record_get_key(const struct db_record *rec)
+{
+       return rec->key;
+}
+
+TDB_DATA dbwrap_record_get_value(const struct db_record *rec)
+{
+       return rec->value;
+}
+
+NTSTATUS dbwrap_record_store(struct db_record *rec, TDB_DATA data, int flags)
+{
+       NTSTATUS status;
+       struct db_context *db;
+
+       status = rec->store(rec, data, flags);
+       if (!NT_STATUS_IS_OK(status)) {
+               return status;
+       }
+       db = rec->db;
+       if (db->stored_callback != NULL) {
+               db->stored_callback(db, rec,
+                                   db->stored_callback_private_data);
+       }
+       return NT_STATUS_OK;
+}
+
+void dbwrap_set_stored_callback(
+       struct db_context *db,
+       void (*cb)(struct db_context *db, struct db_record *rec,
+                  void *private_data),
+       void *private_data)
+{
+       db->stored_callback = cb;
+       db->stored_callback_private_data = private_data;
+}
+
+NTSTATUS dbwrap_record_delete(struct db_record *rec)
+{
+       NTSTATUS status;
+       struct db_context *db;
+
+       status = rec->delete_rec(rec);
+       if (!NT_STATUS_IS_OK(status)) {
+               return status;
+       }
+       db = rec->db;
+       if (db->stored_callback != NULL) {
+               db->stored_callback(db, rec,
+                                   db->stored_callback_private_data);
+       }
+       return NT_STATUS_OK;
+}
+
+struct dbwrap_lock_order_state {
+       uint8_t *plock_order_mask;
+       uint8_t bitmask;
+};
+
+static int dbwrap_lock_order_state_destructor(
+       struct dbwrap_lock_order_state *s)
+{
+       *s->plock_order_mask &= ~s->bitmask;
+       return 0;
+}
+
+static struct dbwrap_lock_order_state *dbwrap_check_lock_order(
+       struct db_context *db, TALLOC_CTX *mem_ctx)
+{
+       /*
+        * Store the lock_order of currently locked records as bits in
+        * "lock_order_mask". We only use levels 1,2,3 right now, so a
+        * single uint8_t is enough.
+        */
+       static uint8_t lock_order_mask;
+
+       struct dbwrap_lock_order_state *state;
+       uint8_t idx;
+       int used;
+
+       if (db->lock_order == 0) {
+               /*
+                * lock order 0 is for example for dbwrap_rbt without
+                * real locking. Return state nevertheless to avoid
+                * special cases.
+                */
+               return talloc(mem_ctx, struct dbwrap_lock_order_state);
+       }
+
+       /*
+        * We fill bits from the high bits, to be able to use
+        * "ffs(lock_order_mask)"
+        */
+       idx = sizeof(lock_order_mask)*8 - db->lock_order;
+
+       used = ffs(lock_order_mask);
+
+       DEBUG(5, ("used=%d, lock_order=%d, idx=%d\n", used,
+                 (int)db->lock_order, (int)idx));
+
+       if ((used != 0) && (used-1 <= idx)) {
+               DEBUG(0, ("Lock order violation: Trying %d, order_mask=%x\n",
+                         (int)db->lock_order, (int)lock_order_mask));
+               return NULL;
+       }
+
+       state = talloc(mem_ctx, struct dbwrap_lock_order_state);
+       if (state == NULL) {
+               DEBUG(1, ("talloc failed\n"));
+               return NULL;
+       }
+       state->bitmask = 1 << idx;
+       state->plock_order_mask = &lock_order_mask;
+
+       talloc_set_destructor(state, dbwrap_lock_order_state_destructor);
+       lock_order_mask |= state->bitmask;
+
+       return state;
+}
+
+static struct db_record *dbwrap_fetch_locked_internal(
+       struct db_context *db, TALLOC_CTX *mem_ctx, TDB_DATA key,
+       struct db_record *(*db_fn)(struct db_context *db, TALLOC_CTX *mem_ctx,
+                                  TDB_DATA key))
+{
+       struct db_record *rec;
+       struct dbwrap_lock_order_state *lock_order;
+       TALLOC_CTX *frame = talloc_stackframe();
+
+       lock_order = dbwrap_check_lock_order(db, frame);
+       if (lock_order == NULL) {
+               TALLOC_FREE(frame);
+               return NULL;
+       }
+       rec = db_fn(db, mem_ctx, key);
+       if (rec == NULL) {
+               TALLOC_FREE(frame);
+               return NULL;
+       }
+       (void)talloc_steal(rec, lock_order);
+       rec->db = db;
+       TALLOC_FREE(frame);
+       return rec;
+}
+
+struct db_record *dbwrap_fetch_locked(struct db_context *db,
+                                     TALLOC_CTX *mem_ctx,
+                                     TDB_DATA key)
+{
+       return dbwrap_fetch_locked_internal(db, mem_ctx, key,
+                                           db->fetch_locked);
+}
+
+struct db_record *dbwrap_try_fetch_locked(struct db_context *db,
+                                     TALLOC_CTX *mem_ctx,
+                                     TDB_DATA key)
+{
+       return dbwrap_fetch_locked_internal(
+               db, mem_ctx, key,
+               db->try_fetch_locked
+               ? db->try_fetch_locked : db->fetch_locked);
+}
+
+struct db_context *dbwrap_record_get_db(struct db_record *rec)
+{
+       return rec->db;
+}
+
+struct dbwrap_fetch_state {
+       TALLOC_CTX *mem_ctx;
+       TDB_DATA data;
+};
+
+static void dbwrap_fetch_parser(TDB_DATA key, TDB_DATA data,
+                               void *private_data)
+{
+       struct dbwrap_fetch_state *state =
+               (struct dbwrap_fetch_state *)private_data;
+
+       state->data.dsize = data.dsize;
+       state->data.dptr = (uint8_t *)talloc_memdup(state->mem_ctx, data.dptr,
+                                                   data.dsize);
+}
+
+NTSTATUS dbwrap_fetch(struct db_context *db, TALLOC_CTX *mem_ctx,
+                     TDB_DATA key, TDB_DATA *value)
+{
+       struct dbwrap_fetch_state state;
+       NTSTATUS status;
+
+       if (value == NULL) {
+               return NT_STATUS_INVALID_PARAMETER;
+       }
+
+       state.mem_ctx = mem_ctx;
+
+       status = dbwrap_parse_record(db, key, dbwrap_fetch_parser, &state);
+       if (!NT_STATUS_IS_OK(status)) {
+               return status;
+       }
+       if ((state.data.dsize != 0) && (state.data.dptr == NULL)) {
+               return NT_STATUS_NO_MEMORY;
+       }
+       *value = state.data;
+       return NT_STATUS_OK;
+}
+
+bool dbwrap_exists(struct db_context *db, TDB_DATA key)
+{
+       int result;
+       if (db->exists != NULL) {
+               result = db->exists(db, key);
+       } else {
+               result = dbwrap_fallback_exists(db,key);
+       }
+       return (result == 1);
+}
+
+NTSTATUS dbwrap_store(struct db_context *db, TDB_DATA key,
+                     TDB_DATA data, int flags)
+{
+       struct db_record *rec;
+       NTSTATUS status;
+       TALLOC_CTX *frame = talloc_stackframe();
+
+       rec = dbwrap_fetch_locked(db, frame, key);
+       if (rec == NULL) {
+               TALLOC_FREE(frame);
+               return NT_STATUS_NO_MEMORY;
+       }
+
+       status = dbwrap_record_store(rec, data, flags);
+       TALLOC_FREE(frame);
+       return status;
+}
+
+NTSTATUS dbwrap_delete(struct db_context *db, TDB_DATA key)
+{
+       struct db_record *rec;
+       NTSTATUS status;
+       TALLOC_CTX *frame = talloc_stackframe();
+
+       rec = dbwrap_fetch_locked(db, frame, key);
+       if (rec == NULL) {
+               TALLOC_FREE(frame);
+               return NT_STATUS_NO_MEMORY;
+       }
+       status = dbwrap_record_delete(rec);
+       TALLOC_FREE(frame);
+       return status;
+}
+
+NTSTATUS dbwrap_traverse(struct db_context *db,
+                        int (*f)(struct db_record*, void*),
+                        void *private_data,
+                        int *count)
+{
+       int ret = db->traverse(db, f, private_data);
+
+       if (ret < 0) {
+               return NT_STATUS_INTERNAL_DB_CORRUPTION;
+       }
+
+       if (count != NULL) {
+               *count = ret;
+       }
+
+       return NT_STATUS_OK;
+}
+
+NTSTATUS dbwrap_traverse_read(struct db_context *db,
+                             int (*f)(struct db_record*, void*),
+                             void *private_data,
+                             int *count)
+{
+       int ret = db->traverse_read(db, f, private_data);
+
+       if (ret < 0) {
+               return NT_STATUS_INTERNAL_DB_CORRUPTION;
+       }
+
+       if (count != NULL) {
+               *count = ret;
+       }
+
+       return NT_STATUS_OK;
+}
+
+static void dbwrap_null_parser(TDB_DATA key, TDB_DATA val, void* data)
+{
+       return;
+}
+
+NTSTATUS dbwrap_parse_record(struct db_context *db, TDB_DATA key,
+                            void (*parser)(TDB_DATA key, TDB_DATA data,
+                                           void *private_data),
+                            void *private_data)
+{
+       if (parser == NULL) {
+               parser = dbwrap_null_parser;
+       }
+       return db->parse_record(db, key, parser, private_data);
+}
+
+int dbwrap_wipe(struct db_context *db)
+{
+       if (db->wipe == NULL) {
+               return dbwrap_fallback_wipe(db);
+       }
+       return db->wipe(db);
+}
+
+int dbwrap_get_seqnum(struct db_context *db)
+{
+       return db->get_seqnum(db);
+}
+
+int dbwrap_get_flags(struct db_context *db)
+{
+       return db->get_flags(db);
+}
+
+int dbwrap_transaction_start(struct db_context *db)
+{
+       return db->transaction_start(db);
+}
+
+int dbwrap_transaction_commit(struct db_context *db)
+{
+       return db->transaction_commit(db);
+}
+
+int dbwrap_transaction_cancel(struct db_context *db)
+{
+       return db->transaction_cancel(db);
+}
+
+void dbwrap_db_id(struct db_context *db, const uint8_t **id, size_t *idlen)
+{
+       db->id(db, id, idlen);
+}
diff --git a/lib/dbwrap/dbwrap.h b/lib/dbwrap/dbwrap.h
new file mode 100644
index 0000000..59e5af0
--- /dev/null
+++ b/lib/dbwrap/dbwrap.h
@@ -0,0 +1,131 @@
+/* 
+   Unix SMB/CIFS implementation.
+   Database interface wrapper around tdb
+   Copyright (C) Volker Lendecke 2005-2007
+
+   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/>.
+*/
+
+#ifndef __DBWRAP_H__
+#define __DBWRAP_H__
+
+#include "tdb_compat.h"
+
+struct db_record;
+struct db_context;
+
+enum dbwrap_lock_order {
+       DBWRAP_LOCK_ORDER_1 = 1,
+       DBWRAP_LOCK_ORDER_2 = 2,
+       DBWRAP_LOCK_ORDER_3 = 3
+};
+
+/* The following definitions come from lib/dbwrap.c  */
+
+TDB_DATA dbwrap_record_get_key(const struct db_record *rec);
+TDB_DATA dbwrap_record_get_value(const struct db_record *rec);
+NTSTATUS dbwrap_record_store(struct db_record *rec, TDB_DATA data, int flags);
+NTSTATUS dbwrap_record_delete(struct db_record *rec);
+struct db_record *dbwrap_fetch_locked(struct db_context *db,
+                                     TALLOC_CTX *mem_ctx,
+                                     TDB_DATA key);
+struct db_record *dbwrap_try_fetch_locked(struct db_context *db,
+                                         TALLOC_CTX *mem_ctx,
+                                         TDB_DATA key);
+struct db_context *dbwrap_record_get_db(struct db_record *rec);
+void dbwrap_set_stored_callback(
+       struct db_context *db,
+       void (*cb)(struct db_context *db, struct db_record *rec,
+                  void *private_data),
+       void *private_data);
+
+NTSTATUS dbwrap_delete(struct db_context *db, TDB_DATA key);
+NTSTATUS dbwrap_store(struct db_context *db, TDB_DATA key,
+                     TDB_DATA data, int flags);
+NTSTATUS dbwrap_fetch(struct db_context *db, TALLOC_CTX *mem_ctx,
+                     TDB_DATA key, TDB_DATA *value);
+bool dbwrap_exists(struct db_context *db, TDB_DATA key);
+NTSTATUS dbwrap_traverse(struct db_context *db,
+                        int (*f)(struct db_record*, void*),
+                        void *private_data,
+                        int *count);
+NTSTATUS dbwrap_traverse_read(struct db_context *db,
+                             int (*f)(struct db_record*, void*),
+                             void *private_data,
+                             int *count);
+NTSTATUS dbwrap_parse_record(struct db_context *db, TDB_DATA key,
+                            void (*parser)(TDB_DATA key, TDB_DATA data,
+                                           void *private_data),
+                            void *private_data);
+int dbwrap_wipe(struct db_context *db);
+int dbwrap_get_seqnum(struct db_context *db);
+int dbwrap_get_flags(struct db_context *db);
+int dbwrap_transaction_start(struct db_context *db);
+int dbwrap_transaction_commit(struct db_context *db);
+int dbwrap_transaction_cancel(struct db_context *db);
+void dbwrap_db_id(struct db_context *db, const uint8_t **id, size_t *idlen);
+
+
+/* The following definitions come from lib/dbwrap_util.c  */
+
+NTSTATUS dbwrap_delete_bystring(struct db_context *db, const char *key);
+NTSTATUS dbwrap_store_bystring(struct db_context *db, const char *key,
+                              TDB_DATA data, int flags);
+NTSTATUS dbwrap_fetch_bystring(struct db_context *db, TALLOC_CTX *mem_ctx,
+                              const char *key, TDB_DATA *value);
+
+NTSTATUS dbwrap_fetch_int32(struct db_context *db, const char *keystr,
+                           int32_t *result);
+NTSTATUS dbwrap_store_int32(struct db_context *db, const char *keystr,


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