Second commit

Signed-off-by: Mattias Andrée <maandree@kth.se>

1 files changed, 20 insertions, 0 deletions

diff --git a/libaxl_generate_id.c b/libaxl_generate_id.c
new file mode 100644
index 0000000..232ef4d
--- /dev/null
+++ b/libaxl_generate_id.c
@@ -0,0 +1,20 @@
+/* See LICENSE file for copyright and license details. */
+#include "common.h"
+
+libaxl_id_t
+libaxl_generate_id(LIBAXL_CONTEXT *ctx)
+{
+	LIBAXL_CONNECTION *conn = ctx->conn;
+	uint32_t id;
+
+	id = atomic_fetch_add(&conn->xid_last, 1);
+	if (id <= conn->xid_max)
+		return (id << conn->xid_shift) | conn->xid_base;
+
+	atomic_fetch_sub(&conn->xid_last, 1);
+
+	liberror_save_backtrace(NULL);
+	liberror_set_error("Request has been buffered and is ready to be sent",
+	                   "libaxl_generate_id", "libaxl", LIBAXL_ERROR_OUT_OF_RESOURCE_IDS);
+	return 0;
+}