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authorStefan Metzmacher <metze@samba.org>2008-12-29 11:24:05 +0100
committerStefan Metzmacher <metze@samba.org>2008-12-29 14:46:08 +0100
commitaec16efaf29bc6c5e4973e2f4e218d7fc4b652cb (patch)
treebc83484ec198f32a87ea7da56184141a1785bdd4 /source4/lib/dbwrap
parenta7036d2bd0d6b476c886072518961fbbc10a5861 (diff)
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s4: remove unused dbwrap code
If we readd this later, we should share the code with samba3 and make it async/non-blocking. metze
Diffstat (limited to 'source4/lib/dbwrap')
-rw-r--r--source4/lib/dbwrap/config.mk6
-rw-r--r--source4/lib/dbwrap/dbwrap.c39
-rw-r--r--source4/lib/dbwrap/dbwrap.h54
-rw-r--r--source4/lib/dbwrap/dbwrap_ctdb.c192
-rw-r--r--source4/lib/dbwrap/dbwrap_tdb.c267
5 files changed, 0 insertions, 558 deletions
diff --git a/source4/lib/dbwrap/config.mk b/source4/lib/dbwrap/config.mk
deleted file mode 100644
index 34e2629b16..0000000000
--- a/source4/lib/dbwrap/config.mk
+++ /dev/null
@@ -1,6 +0,0 @@
-[SUBSYSTEM::LIBDBWRAP]
-PUBLIC_DEPENDENCIES = \
- LIBTDB ctdb
-
-LIBDBWRAP_OBJ_FILES = $(addprefix $(libdbwrapsrcdir)/, dbwrap.o dbwrap_tdb.o dbwrap_ctdb.o)
-
diff --git a/source4/lib/dbwrap/dbwrap.c b/source4/lib/dbwrap/dbwrap.c
deleted file mode 100644
index 69203773f0..0000000000
--- a/source4/lib/dbwrap/dbwrap.c
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- Unix SMB/CIFS implementation.
-
- database wrapper code
-
- Copyright (C) Andrew Tridgell 2007
- Copyright (C) Volker Lendecke 2005
-
- 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 "../tdb/include/tdb.h"
-#include "lib/dbwrap/dbwrap.h"
-#include "param/param.h"
-
-/**
- open a temporary database
- */
-struct db_context *db_tmp_open(TALLOC_CTX *mem_ctx, struct loadparm_context *lp_ctx, const char *name, int tdb_flags)
-{
- if (lp_parm_bool(lp_ctx, NULL, "ctdb", "enable", false) &&
- lp_parm_bool(lp_ctx, NULL, "ctdb", name, true)) {
- return db_tmp_open_ctdb(mem_ctx, lp_ctx, name, tdb_flags);
- }
-
- return db_tmp_open_tdb(mem_ctx, lp_ctx, name, tdb_flags);
-}
diff --git a/source4/lib/dbwrap/dbwrap.h b/source4/lib/dbwrap/dbwrap.h
deleted file mode 100644
index 1a3b3f5273..0000000000
--- a/source4/lib/dbwrap/dbwrap.h
+++ /dev/null
@@ -1,54 +0,0 @@
-/*
- Unix SMB/CIFS implementation.
-
- database wrapper code
-
- Copyright (C) Volker Lendecks 2005-2007
- Copyright (C) Andrew Tridgell 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/>.
-*/
-
-struct db_record {
- TDB_DATA key, value;
- NTSTATUS (*store)(struct db_record *rec, TDB_DATA data, int flag);
- NTSTATUS (*delete_rec)(struct db_record *rec);
- void *private_data;
-};
-
-struct db_context {
- struct db_record *(*fetch_locked)(struct db_context *db,
- TALLOC_CTX *mem_ctx,
- TDB_DATA key);
- int (*fetch)(struct db_context *db, TALLOC_CTX *mem_ctx,
- TDB_DATA key, TDB_DATA *data);
- int (*traverse)(struct db_context *db,
- int (*f)(struct db_record *db,
- void *private_data),
- void *private_data);
- int (*traverse_read)(struct db_context *db,
- int (*f)(struct db_record *db,
- void *private_data),
- void *private_data);
- int (*get_seqnum)(struct db_context *db);
- void *private_data;
-};
-
-struct loadparm_context;
-struct db_context *db_tmp_open(TALLOC_CTX *mem_ctx, struct loadparm_context *lp_ctx, const char *name, int tdb_flags);
-
-
-/* backends */
-struct db_context *db_tmp_open_tdb(TALLOC_CTX *mem_ctx, struct loadparm_context *lp_ctx, const char *name, int tdb_flags);
-struct db_context *db_tmp_open_ctdb(TALLOC_CTX *mem_ctx, struct loadparm_context *lp_ctx, const char *name, int tdb_flags);
diff --git a/source4/lib/dbwrap/dbwrap_ctdb.c b/source4/lib/dbwrap/dbwrap_ctdb.c
deleted file mode 100644
index b079658a00..0000000000
--- a/source4/lib/dbwrap/dbwrap_ctdb.c
+++ /dev/null
@@ -1,192 +0,0 @@
-/*
- Unix SMB/CIFS implementation.
-
- Database interface wrapper around ctdbd
-
- Copyright (C) Andrew Tridgell 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/>.
-*/
-
-#include "includes.h"
-#include "../tdb/include/tdb.h"
-#include "lib/dbwrap/dbwrap.h"
-#include "cluster/cluster.h"
-#include "cluster/ctdb/include/ctdb.h"
-
-static NTSTATUS db_ctdb_store(struct db_record *rec, TDB_DATA data, int flag)
-{
- struct ctdb_record_handle *h = talloc_get_type(rec->private_data, struct ctdb_record_handle);
- int ret;
-
- ret = ctdb_record_store(h, data);
- if (ret != 0) {
- return NT_STATUS_INTERNAL_DB_CORRUPTION;
- }
- return NT_STATUS_OK;
-}
-
-static NTSTATUS db_ctdb_delete(struct db_record *rec)
-{
- return rec->store(rec, tdb_null, TDB_REPLACE);
-}
-
-
-static struct db_record *db_ctdb_fetch_locked(struct db_context *db,
- TALLOC_CTX *mem_ctx,
- TDB_DATA key)
-{
- struct db_record *rec;
- struct ctdb_record_handle *h;
- struct ctdb_db_context *cdb = talloc_get_type(db->private_data, struct ctdb_db_context);
-
- rec = talloc(mem_ctx, struct db_record);
- if (!rec) return NULL;
-
- h = ctdb_fetch_lock(cdb, rec, key, &rec->value);
- if (h == NULL) {
- talloc_free(rec);
- return NULL;
- }
-
- rec->private_data = h;
- rec->store = db_ctdb_store;
- rec->delete_rec = db_ctdb_delete;
-
- return rec;
-}
-
-/*
- fetch (unlocked, no migration) operation on ctdb
- */
-static int db_ctdb_fetch(struct db_context *db, TALLOC_CTX *mem_ctx,
- TDB_DATA key, TDB_DATA *data)
-{
- struct ctdb_db_context *cdb = talloc_get_type(db->private_data, struct ctdb_db_context);
-
- return ctdb_fetch(cdb, mem_ctx, key, data);
-}
-
-struct traverse_state {
- struct db_context *db;
- int (*fn)(struct db_record *rec, void *private_data);
- void *private_data;
-};
-
-static int traverse_callback(struct ctdb_context *ctdb, TDB_DATA key, TDB_DATA data, void *private_data)
-{
- struct traverse_state *state = (struct traverse_state *)private_data;
- struct db_record *rec;
- TALLOC_CTX *tmp_ctx = talloc_new(state->db);
- /* we have to give them a locked record to prevent races */
- rec = db_ctdb_fetch_locked(state->db, tmp_ctx, key);
- if (rec && rec->value.dsize > 0) {
- state->fn(rec, state->private_data);
- }
- talloc_free(tmp_ctx);
- return 0;
-}
-
-static int db_ctdb_traverse(struct db_context *db,
- int (*fn)(struct db_record *rec, void *private_data),
- void *private_data)
-{
- struct ctdb_db_context *cdb = talloc_get_type(db->private_data, struct ctdb_db_context);
- struct traverse_state state;
-
- state.db = db;
- state.fn = fn;
- state.private_data = private_data;
-
- ctdb_traverse(cdb, traverse_callback, &state);
- return 0;
-}
-
-static NTSTATUS db_ctdb_store_deny(struct db_record *rec, TDB_DATA data, int flag)
-{
- return NT_STATUS_MEDIA_WRITE_PROTECTED;
-}
-
-static NTSTATUS db_ctdb_delete_deny(struct db_record *rec)
-{
- return NT_STATUS_MEDIA_WRITE_PROTECTED;
-}
-
-static int traverse_read_callback(struct ctdb_context *ctdb,
- TDB_DATA key, TDB_DATA data, void *private_data)
-{
- struct traverse_state *state = (struct traverse_state *)private_data;
- struct db_record rec;
- rec.key = key;
- rec.value = data;
- rec.store = db_ctdb_store_deny;
- rec.delete_rec = db_ctdb_delete_deny;
- rec.private_data = state->db;
- state->fn(&rec, state->private_data);
- return 0;
-}
-
-static int db_ctdb_traverse_read(struct db_context *db,
- int (*fn)(struct db_record *rec,
- void *private_data),
- void *private_data)
-{
- struct traverse_state state;
- struct ctdb_db_context *cdb = talloc_get_type(db->private_data, struct ctdb_db_context);
-
- state.db = db;
- state.fn = fn;
- state.private_data = private_data;
-
- ctdb_traverse(cdb, traverse_read_callback, &state);
- return 0;
-}
-
-static int db_ctdb_get_seqnum(struct db_context *db)
-{
- DEBUG(0,("ctdb_get_seqnum not implemented\n"));
- return -1;
-}
-
-struct db_context *db_tmp_open_ctdb(TALLOC_CTX *mem_ctx, struct loadparm_context *lp_ctx,
- const char *name, int tdb_flags)
-{
- struct db_context *db;
- struct ctdb_context *ctdb = talloc_get_type(cluster_backend_handle(),
- struct ctdb_context);
- struct ctdb_db_context *cdb;
-
- db = talloc_zero(mem_ctx, struct db_context);
- if (db == NULL) {
- return NULL;
- }
-
- cdb = ctdb_attach(ctdb, name);
- if (!cdb) {
- DEBUG(0,("Failed to attach to ctdb database '%s'\n", name));
- talloc_free(db);
- return NULL;
- }
-
- db->private_data = cdb;
- db->fetch_locked = db_ctdb_fetch_locked;
- db->fetch = db_ctdb_fetch;
- db->traverse = db_ctdb_traverse;
- db->traverse_read = db_ctdb_traverse_read;
- db->get_seqnum = db_ctdb_get_seqnum;
-
- DEBUG(3,("db_tmp_open_ctdb: opened database '%s'\n", name));
-
- return db;
-}
diff --git a/source4/lib/dbwrap/dbwrap_tdb.c b/source4/lib/dbwrap/dbwrap_tdb.c
deleted file mode 100644
index 3fd13dbd13..0000000000
--- a/source4/lib/dbwrap/dbwrap_tdb.c
+++ /dev/null
@@ -1,267 +0,0 @@
-/*
- Unix SMB/CIFS implementation.
-
- Database interface wrapper around tdb
-
- Copyright (C) Volker Lendecke 2005
- Copyright (C) Andrew Tridgell 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/>.
-*/
-
-#include "includes.h"
-#include "../tdb/include/tdb.h"
-#include "lib/dbwrap/dbwrap.h"
-#include "system/filesys.h"
-#include "tdb_wrap.h"
-#include "param/param.h"
-
-struct db_tdb_ctx {
- struct tdb_wrap *wtdb;
-};
-
-static NTSTATUS db_tdb_store(struct db_record *rec, TDB_DATA data, int flag);
-static NTSTATUS db_tdb_delete(struct db_record *rec);
-
-static int db_tdb_record_destr(struct db_record* data)
-{
- struct db_tdb_ctx *ctx = talloc_get_type(data->private_data, struct db_tdb_ctx);
-
- if (tdb_chainunlock(ctx->wtdb->tdb, data->key) != 0) {
- DEBUG(0, ("tdb_chainunlock failed\n"));
- return -1;
- }
- return 0;
-}
-
-static int db_tdb_fetch(struct db_context *db, TALLOC_CTX *mem_ctx, TDB_DATA key, TDB_DATA *data)
-{
- struct db_tdb_ctx *ctx = talloc_get_type(db->private_data, struct db_tdb_ctx);
- TDB_DATA value;
-
- value = tdb_fetch(ctx->wtdb->tdb, key);
- if (value.dptr == NULL) {
- return -1;
- }
-
- data->dsize = value.dsize;
- data->dptr = (uint8_t *)talloc_memdup(mem_ctx, value.dptr, value.dsize);
- free(value.dptr);
- if (data->dptr == NULL) {
- errno = ENOMEM;
- return -1;
- }
-
- return 0;
-}
-
-static struct db_record *db_tdb_fetch_locked(struct db_context *db,
- TALLOC_CTX *mem_ctx, TDB_DATA key)
-{
- struct db_tdb_ctx *ctx = talloc_get_type(db->private_data, struct db_tdb_ctx);
- struct db_record *result;
- TDB_DATA value;
-
- result = talloc(mem_ctx, struct db_record);
- if (result == NULL) {
- return NULL;
- }
-
- result->key.dsize = key.dsize;
- result->key.dptr = (uint8_t *)talloc_memdup(result, key.dptr, key.dsize);
- if (result->key.dptr == NULL) {
- talloc_free(result);
- return NULL;
- }
-
- result->value.dptr = NULL;
- result->value.dsize = 0;
- result->private_data = talloc_reference(result, ctx);
- result->store = db_tdb_store;
- result->delete_rec = db_tdb_delete;
-
- if (tdb_chainlock(ctx->wtdb->tdb, key) != 0) {
- talloc_free(result);
- return NULL;
- }
-
- talloc_set_destructor(result, db_tdb_record_destr);
-
- value = tdb_fetch(ctx->wtdb->tdb, key);
-
- if (value.dptr == NULL) {
- return result;
- }
-
- result->value.dsize = value.dsize;
- result->value.dptr = (uint8_t *)talloc_memdup(result, value.dptr,
- value.dsize);
- free(value.dptr);
- if (result->value.dptr == NULL) {
- talloc_free(result);
- return NULL;
- }
-
- return result;
-}
-
-static NTSTATUS db_tdb_store(struct db_record *rec, TDB_DATA data, int flag)
-{
- struct db_tdb_ctx *ctx = talloc_get_type(rec->private_data, struct db_tdb_ctx);
-
- /*
- * This has a bug: We need to replace rec->value for correct
- * operation, but right now brlock and locking don't use the value
- * anymore after it was stored.
- */
-
- return (tdb_store(ctx->wtdb->tdb, rec->key, data, flag) == 0) ?
- NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
-}
-
-static NTSTATUS db_tdb_delete(struct db_record *rec)
-{
- struct db_tdb_ctx *ctx = talloc_get_type(rec->private_data, struct db_tdb_ctx);
-
- return (tdb_delete(ctx->wtdb->tdb, rec->key) == 0) ?
- NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
-}
-
-struct db_tdb_traverse_ctx {
- struct db_context *db;
- int (*f)(struct db_record *rec, void *private_data);
- void *private_data;
-};
-
-static int db_tdb_traverse_func(TDB_CONTEXT *tdb, TDB_DATA kbuf, TDB_DATA dbuf,
- void *private_data)
-{
- struct db_tdb_traverse_ctx *ctx =
- (struct db_tdb_traverse_ctx *)private_data;
- struct db_record rec;
-
- rec.key = kbuf;
- rec.value = dbuf;
- rec.store = db_tdb_store;
- rec.delete_rec = db_tdb_delete;
- rec.private_data = ctx->db->private_data;
-
- return ctx->f(&rec, ctx->private_data);
-}
-
-static int db_tdb_traverse(struct db_context *db,
- int (*f)(struct db_record *rec, void *private_data),
- void *private_data)
-{
- struct db_tdb_ctx *db_ctx =
- talloc_get_type(db->private_data, struct db_tdb_ctx);
- struct db_tdb_traverse_ctx ctx;
-
- ctx.db = db;
- ctx.f = f;
- ctx.private_data = private_data;
- return tdb_traverse(db_ctx->wtdb->tdb, db_tdb_traverse_func, &ctx);
-}
-
-static NTSTATUS db_tdb_store_deny(struct db_record *rec, TDB_DATA data, int flag)
-{
- return NT_STATUS_MEDIA_WRITE_PROTECTED;
-}
-
-static NTSTATUS db_tdb_delete_deny(struct db_record *rec)
-{
- return NT_STATUS_MEDIA_WRITE_PROTECTED;
-}
-
-static int db_tdb_traverse_read_func(TDB_CONTEXT *tdb, TDB_DATA kbuf, TDB_DATA dbuf,
- void *private_data)
-{
- struct db_tdb_traverse_ctx *ctx =
- (struct db_tdb_traverse_ctx *)private_data;
- struct db_record rec;
-
- rec.key = kbuf;
- rec.value = dbuf;
- rec.store = db_tdb_store_deny;
- rec.delete_rec = db_tdb_delete_deny;
- rec.private_data = ctx->db->private_data;
-
- return ctx->f(&rec, ctx->private_data);
-}
-
-static int db_tdb_traverse_read(struct db_context *db,
- int (*f)(struct db_record *rec, void *private_data),
- void *private_data)
-{
- struct db_tdb_ctx *db_ctx =
- talloc_get_type(db->private_data, struct db_tdb_ctx);
- struct db_tdb_traverse_ctx ctx;
-
- ctx.db = db;
- ctx.f = f;
- ctx.private_data = private_data;
- return tdb_traverse_read(db_ctx->wtdb->tdb, db_tdb_traverse_read_func, &ctx);
-}
-
-static int db_tdb_get_seqnum(struct db_context *db)
-
-{
- struct db_tdb_ctx *db_ctx =
- talloc_get_type(db->private_data, struct db_tdb_ctx);
- return tdb_get_seqnum(db_ctx->wtdb->tdb);
-}
-
-/*
- open a temporary database
- */
-struct db_context *db_tmp_open_tdb(TALLOC_CTX *mem_ctx, struct loadparm_context *lp_ctx,
- const char *name, int tdb_flags)
-{
- struct db_context *result;
- struct db_tdb_ctx *db_tdb;
- char *path;
-
- result = talloc_zero(mem_ctx, struct db_context);
- if (result == NULL) goto failed;
-
- db_tdb = talloc(result, struct db_tdb_ctx);
- if (db_tdb == NULL) goto failed;
-
- result->private_data = db_tdb;
-
- /* the name passed in should not be a full path, it should be
- just be the db name */
- path = smbd_tmp_path(result, lp_ctx, name);
-
- db_tdb->wtdb = tdb_wrap_open(db_tdb, path, 0, tdb_flags,
- O_CREAT|O_RDWR, 0666);
- if (db_tdb->wtdb == NULL) {
- DEBUG(3, ("Could not open tdb '%s': %s\n", path, strerror(errno)));
- goto failed;
- }
-
- talloc_free(path);
-
- result->fetch_locked = db_tdb_fetch_locked;
- result->fetch = db_tdb_fetch;
- result->traverse = db_tdb_traverse;
- result->traverse_read = db_tdb_traverse_read;
- result->get_seqnum = db_tdb_get_seqnum;
-
- return result;
-
- failed:
- talloc_free(result);
- return NULL;
-}