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authorGregor Beck <gbeck@sernet.de>2011-09-22 13:58:24 +0200
committerMichael Adam <obnox@samba.org>2011-10-12 03:49:05 +0200
commita6cd71da858062a66f83775cf655b79b6c8d75e7 (patch)
tree582e66acd3f46e2b2393e414a6e314866f6f5bbf /source3/lib/dbwrap
parent240d6217dd4d75a69b3f57f9668aa81ed042a6cf (diff)
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s3:dbwrap: traverse records created within this transaction.
Signed-off-by: Michael Adam <obnox@samba.org>
Diffstat (limited to 'source3/lib/dbwrap')
-rw-r--r--source3/lib/dbwrap/dbwrap_ctdb.c40
1 files changed, 39 insertions, 1 deletions
diff --git a/source3/lib/dbwrap/dbwrap_ctdb.c b/source3/lib/dbwrap/dbwrap_ctdb.c
index 5823ab4695..95c23eeb42 100644
--- a/source3/lib/dbwrap/dbwrap_ctdb.c
+++ b/source3/lib/dbwrap/dbwrap_ctdb.c
@@ -1285,6 +1285,13 @@ done:
return ret;
}
+/* wrapper to use traverse_persistent_callback with dbwrap */
+static int traverse_persistent_callback_dbwrap(struct db_record *rec, void* data)
+{
+ return traverse_persistent_callback(NULL, rec->key, rec->value, data);
+}
+
+
static int db_ctdb_traverse(struct db_context *db,
int (*fn)(struct db_record *rec,
void *private_data),
@@ -1299,9 +1306,40 @@ static int db_ctdb_traverse(struct db_context *db,
state.private_data = private_data;
if (db->persistent) {
+ struct tdb_context *ltdb = ctx->wtdb->tdb;
+ int ret;
+
/* for persistent databases we don't need to do a ctdb traverse,
we can do a faster local traverse */
- return tdb_traverse(ctx->wtdb->tdb, traverse_persistent_callback, &state);
+ ret = tdb_traverse(ltdb, traverse_persistent_callback, &state);
+ if (ret < 0) {
+ return ret;
+ }
+ if (ctx->transaction && ctx->transaction->m_write) {
+ /* we now have to handle keys not yet present at transaction start */
+ struct db_context *newkeys = db_open_rbt(talloc_tos());
+ struct ctdb_marshall_buffer *mbuf = ctx->transaction->m_write;
+ struct ctdb_rec_data *rec=NULL;
+ NTSTATUS status;
+ int i;
+ for (i=0; i<mbuf->count; i++) {
+ TDB_DATA key;
+ rec =db_ctdb_marshall_loop_next(mbuf, rec,
+ NULL, NULL,
+ &key, NULL);
+ SMB_ASSERT(rec != NULL);
+
+ if (!tdb_exists(ltdb, key)) {
+ dbwrap_store(newkeys, key, tdb_null, 0);
+ }
+ }
+ status = dbwrap_traverse(newkeys,
+ traverse_persistent_callback_dbwrap,
+ &state);
+ ret = NT_STATUS_IS_OK(status) ? 0 : -1;
+ talloc_free(newkeys);
+ }
+ return ret;
}