r13609: Get in the initial work on making ldb async

Currently only ldb_ildap is async, the plan
is to first make all backend support the async calls,
and then remove the sync functions from backends and
keep the only in the API.

Modules will need to be transformed along the way.

Simo
(This used to be commit 1e2c13b2d52de7c534493dd79a2c0596a3e8c1f5)

1 files changed, 20 insertions, 1 deletions

diff --git a/source4/lib/ldb/common/ldb.c b/source4/lib/ldb/common/ldb.c
index 0857c07ad4..68722cde96 100644
--- a/source4/lib/ldb/common/ldb.c
+++ b/source4/lib/ldb/common/ldb.c
@@ -106,7 +106,15 @@ int ldb_connect(struct ldb_context *ldb, const char *url, unsigned int flags, co
 	return LDB_SUCCESS;
 }
 
-static void ldb_reset_err_string(struct ldb_context *ldb)
+void ldb_set_errstring(struct ldb_module *module, char *err_string)
+{
+	if (module->ldb->err_string) {
+		talloc_free(module->ldb->err_string);
+	}
+	module->ldb->err_string = talloc_steal(module->ldb, err_string);
+}
+
+void ldb_reset_err_string(struct ldb_context *ldb)
 {
 	if (ldb->err_string) {
 		talloc_free(ldb->err_string);
@@ -211,6 +219,14 @@ int ldb_transaction_cancel(struct ldb_context *ldb)
 	return status;
 }
 
+int ldb_async_wait(struct ldb_context *ldb, struct ldb_async_handle *handle, enum ldb_async_wait_type type)
+{
+	if (ldb->async_wait != NULL)
+		return ldb->async_wait(handle, type);
+
+	return LDB_ERR_OPERATIONS_ERROR;
+}
+
 /*
   check for an error return from an op 
   if an op fails, but has not setup an error string, then setup one now
@@ -279,6 +295,9 @@ int ldb_request(struct ldb_context *ldb, struct ldb_request *request)
 	if (request->operation == LDB_REQ_SEARCH) {
 		request->op.search.res = talloc_steal(ldb, r->op.search.res);
 	}
+	if (request->operation == LDB_ASYNC_SEARCH) {
+		request->async.handle = r->async.handle;
+	}
 	talloc_free(r);
 
 	if (started_transaction) {