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authorVolker Lendecke <vl@samba.org>2011-12-08 15:50:33 +0100
committerMichael Adam <obnox@samba.org>2011-12-15 16:00:45 +0100
commit26fc72921f7b72dfebfe8394baa85b81ef66d26d (patch)
treead66ef76af07e27e13a956ff79431ce80590b97c /source3/lib
parent19078b9b0564ed2654a1dae1d23488f89aadb41f (diff)
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s3-dbwrap: Make dbwrap_parse_record return NTSTATUS
Also, the parser now returns void. The parser is called if and only if dbwrap_parse_record returns NT_STATUS_OK. Signed-off-by: Michael Adam <obnox@samba.org>
Diffstat (limited to 'source3/lib')
-rw-r--r--source3/lib/dbwrap/dbwrap.c34
-rw-r--r--source3/lib/dbwrap/dbwrap.h8
-rw-r--r--source3/lib/dbwrap/dbwrap_private.h8
-rw-r--r--source3/lib/dbwrap/dbwrap_rbt.c13
-rw-r--r--source3/lib/dbwrap/dbwrap_tdb.c36
-rw-r--r--source3/lib/serverid.c10
6 files changed, 68 insertions, 41 deletions
diff --git a/source3/lib/dbwrap/dbwrap.c b/source3/lib/dbwrap/dbwrap.c
index a806c6add9..8ad6c946e9 100644
--- a/source3/lib/dbwrap/dbwrap.c
+++ b/source3/lib/dbwrap/dbwrap.c
@@ -51,32 +51,30 @@ static NTSTATUS dbwrap_fallback_fetch(struct db_context *db,
static int dbwrap_fallback_exists(struct db_context *db, TDB_DATA key)
{
- int res = dbwrap_parse_record(db, key, NULL, NULL);
- return ( res == -1) ? 0 : 1;
+ NTSTATUS status = dbwrap_parse_record(db, key, NULL, NULL);
+ return NT_STATUS_IS_OK(status) ? 1 : 0;
}
/*
* Fall back using fetch if no genuine parse operation is provided
*/
-static int dbwrap_fallback_parse_record(struct db_context *db, TDB_DATA key,
- int (*parser)(TDB_DATA key,
- TDB_DATA data,
- void *private_data),
- void *private_data)
+static NTSTATUS dbwrap_fallback_parse_record(struct db_context *db, TDB_DATA key,
+ void (*parser)(TDB_DATA key,
+ TDB_DATA data,
+ void *private_data),
+ void *private_data)
{
TDB_DATA data;
- int res;
NTSTATUS status;
status = dbwrap_fetch(db, talloc_tos(), key, &data);
if (!NT_STATUS_IS_OK(status)) {
- return -1;
+ return status;
}
-
- res = parser(key, data, private_data);
+ parser(key, data, private_data);
TALLOC_FREE(data.dptr);
- return res;
+ return NT_STATUS_OK;
}
@@ -217,15 +215,15 @@ NTSTATUS dbwrap_traverse_read(struct db_context *db,
return NT_STATUS_OK;
}
-static int dbwrap_null_parser(TDB_DATA key, TDB_DATA val, void* data)
+static void dbwrap_null_parser(TDB_DATA key, TDB_DATA val, void* data)
{
- return 0;
+ return;
}
-int dbwrap_parse_record(struct db_context *db, TDB_DATA key,
- int (*parser)(TDB_DATA key, TDB_DATA data,
- void *private_data),
- void *private_data)
+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;
diff --git a/source3/lib/dbwrap/dbwrap.h b/source3/lib/dbwrap/dbwrap.h
index 41e6833d79..386a9fa2a4 100644
--- a/source3/lib/dbwrap/dbwrap.h
+++ b/source3/lib/dbwrap/dbwrap.h
@@ -49,10 +49,10 @@ NTSTATUS dbwrap_traverse_read(struct db_context *db,
int (*f)(struct db_record*, void*),
void *private_data,
int *count);
-int dbwrap_parse_record(struct db_context *db, TDB_DATA key,
- int (*parser)(TDB_DATA key, TDB_DATA data,
- void *private_data),
- void *private_data);
+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);
diff --git a/source3/lib/dbwrap/dbwrap_private.h b/source3/lib/dbwrap/dbwrap_private.h
index 1491a134e7..a814cf61ba 100644
--- a/source3/lib/dbwrap/dbwrap_private.h
+++ b/source3/lib/dbwrap/dbwrap_private.h
@@ -49,10 +49,10 @@ struct db_context {
int (*transaction_start)(struct db_context *db);
int (*transaction_commit)(struct db_context *db);
int (*transaction_cancel)(struct db_context *db);
- int (*parse_record)(struct db_context *db, TDB_DATA key,
- int (*parser)(TDB_DATA key, TDB_DATA data,
- void *private_data),
- void *private_data);
+ NTSTATUS (*parse_record)(struct db_context *db, TDB_DATA key,
+ void (*parser)(TDB_DATA key, TDB_DATA data,
+ void *private_data),
+ void *private_data);
int (*exists)(struct db_context *db,TDB_DATA key);
int (*wipe)(struct db_context *db);
void *private_data;
diff --git a/source3/lib/dbwrap/dbwrap_rbt.c b/source3/lib/dbwrap/dbwrap_rbt.c
index 3f280c27de..09bc210f9e 100644
--- a/source3/lib/dbwrap/dbwrap_rbt.c
+++ b/source3/lib/dbwrap/dbwrap_rbt.c
@@ -330,18 +330,19 @@ static int db_rbt_wipe(struct db_context *db)
return 0;
}
-static int db_rbt_parse_record(struct db_context *db, TDB_DATA key,
- int (*parser)(TDB_DATA key, TDB_DATA data,
- void *private_data),
- void *private_data)
+static NTSTATUS db_rbt_parse_record(struct db_context *db, TDB_DATA key,
+ void (*parser)(TDB_DATA key, TDB_DATA data,
+ void *private_data),
+ void *private_data)
{
struct db_rbt_search_result res;
bool found = db_rbt_search_internal(db, key, &res);
if (!found) {
- return -1;
+ return NT_STATUS_NOT_FOUND;
}
- return parser(res.key, res.val, private_data);
+ parser(res.key, res.val, private_data);
+ return NT_STATUS_OK;
}
static NTSTATUS db_rbt_fetch(struct db_context *db, TALLOC_CTX *mem_ctx,
diff --git a/source3/lib/dbwrap/dbwrap_tdb.c b/source3/lib/dbwrap/dbwrap_tdb.c
index fbb05cc2a8..efdb5dbee4 100644
--- a/source3/lib/dbwrap/dbwrap_tdb.c
+++ b/source3/lib/dbwrap/dbwrap_tdb.c
@@ -218,15 +218,41 @@ static int db_tdb_wipe(struct db_context *db)
return tdb_wipe_all(ctx->wtdb->tdb);
}
-static int db_tdb_parse(struct db_context *db, TDB_DATA key,
- int (*parser)(TDB_DATA key, TDB_DATA data,
- void *private_data),
- void *private_data)
+struct db_tdb_parse_state {
+ void (*parser)(TDB_DATA key, TDB_DATA data,
+ void *private_data);
+ void *private_data;
+};
+
+/*
+ * tdb_parse_record expects a parser returning int, mixing up tdb and
+ * parser errors. Wrap around that by always returning 0 and have
+ * dbwrap_parse_record expect a parser returning void.
+ */
+
+static int db_tdb_parser(TDB_DATA key, TDB_DATA data, void *private_data)
+{
+ struct db_tdb_parse_state *state =
+ (struct db_tdb_parse_state *)private_data;
+ state->parser(key, data, state->private_data);
+ return 0;
+}
+
+static NTSTATUS db_tdb_parse(struct db_context *db, TDB_DATA key,
+ void (*parser)(TDB_DATA key, TDB_DATA data,
+ void *private_data),
+ void *private_data)
{
struct db_tdb_ctx *ctx = talloc_get_type_abort(
db->private_data, struct db_tdb_ctx);
+ struct db_tdb_parse_state state;
+ int ret;
+
+ state.parser = parser;
+ state.private_data = private_data;
- return tdb_parse_record(ctx->wtdb->tdb, key, parser, private_data) ? -1 : 0;
+ ret = tdb_parse_record(ctx->wtdb->tdb, key, db_tdb_parser, &state);
+ return map_nt_error_from_tdb(ret);
}
static NTSTATUS db_tdb_store(struct db_record *rec, TDB_DATA data, int flag)
diff --git a/source3/lib/serverid.c b/source3/lib/serverid.c
index c1b87f7929..6d8a3c004f 100644
--- a/source3/lib/serverid.c
+++ b/source3/lib/serverid.c
@@ -230,13 +230,14 @@ struct serverid_exists_state {
bool exists;
};
-static int server_exists_parse(TDB_DATA key, TDB_DATA data, void *priv)
+static void server_exists_parse(TDB_DATA key, TDB_DATA data, void *priv)
{
struct serverid_exists_state *state =
(struct serverid_exists_state *)priv;
if (data.dsize != sizeof(struct serverid_data)) {
- return -1;
+ state->exists = false;
+ return;
}
/*
@@ -245,7 +246,6 @@ static int server_exists_parse(TDB_DATA key, TDB_DATA data, void *priv)
*/
state->exists = (memcmp(&state->id->unique_id, data.dptr,
sizeof(state->id->unique_id)) == 0);
- return 0;
}
bool serverid_exists(const struct server_id *id)
@@ -254,6 +254,7 @@ bool serverid_exists(const struct server_id *id)
struct serverid_exists_state state;
struct serverid_key key;
TDB_DATA tdbkey;
+ NTSTATUS status;
if (procid_is_me(id)) {
return true;
@@ -274,7 +275,8 @@ bool serverid_exists(const struct server_id *id)
state.id = id;
state.exists = false;
- if (dbwrap_parse_record(db, tdbkey, server_exists_parse, &state) != 0) {
+ status = dbwrap_parse_record(db, tdbkey, server_exists_parse, &state);
+ if (!NT_STATUS_IS_OK(status)) {
return false;
}
return state.exists;