initial code repo
[stor4nfv.git] / src / ceph / src / test / bench / rbd_backend.cc
diff --git a/src/ceph/src/test/bench/rbd_backend.cc b/src/ceph/src/test/bench/rbd_backend.cc
new file mode 100644 (file)
index 0000000..7928896
--- /dev/null
@@ -0,0 +1,51 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+
+#include "rbd_backend.h"
+#include <boost/tuple/tuple.hpp>
+
+typedef boost::tuple<Context*, Context*> arg_type;
+
+void on_complete(void *completion, void *_arg) {
+  arg_type *arg = static_cast<arg_type*>(_arg);
+  librbd::RBD::AioCompletion *comp =
+    static_cast<librbd::RBD::AioCompletion *>(completion);
+  ssize_t r = comp->get_return_value();
+  assert(r >= 0);
+  arg->get<0>()->complete(0);
+  if (arg->get<1>())
+    arg->get<1>()->complete(0);
+  comp->release();
+  delete arg;
+}
+
+void RBDBackend::write(
+  const string &oid,
+  uint64_t offset,
+  const bufferlist &bl,
+  Context *on_write_applied,
+  Context *on_commit)
+{
+  bufferlist &bl_non_const = const_cast<bufferlist&>(bl);
+  ceph::shared_ptr<librbd::Image> image = (*m_images)[oid];
+  void *arg = static_cast<void *>(new arg_type(on_commit, on_write_applied));
+  librbd::RBD::AioCompletion *completion =
+    new librbd::RBD::AioCompletion(arg, on_complete);
+  int r = image->aio_write(offset, (size_t) bl_non_const.length(),
+                          bl_non_const, completion);
+  assert(r >= 0);
+}
+
+void RBDBackend::read(
+  const string &oid,
+  uint64_t offset,
+  uint64_t length,
+  bufferlist *bl,
+  Context *on_read_complete)
+{
+  ceph::shared_ptr<librbd::Image> image = (*m_images)[oid];
+  void *arg = static_cast<void *>(new arg_type(on_read_complete, NULL));
+  librbd::RBD::AioCompletion *completion =
+    new librbd::RBD::AioCompletion(arg, on_complete);
+  int r = image->aio_read(offset, (size_t) length, *bl, completion);
+  assert(r >= 0);
+}