initial code repo

[stor4nfv.git] / src / ceph / src / test / librbd / test_fixture.cc

diff --git a/src/ceph/src/test/librbd/test_fixture.cc b/src/ceph/src/test/librbd/test_fixture.cc
new file mode 100644 (file)
index 0000000..139c998
--- /dev/null
+++ b/src/ceph/src/test/librbd/test_fixture.cc
@@ -0,0 +1,138 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+#include "test/librbd/test_fixture.h"
+#include "test/librbd/test_support.h"
+#include "include/stringify.h"
+#include "librbd/ExclusiveLock.h"
+#include "librbd/ImageState.h"
+#include "librbd/ImageWatcher.h"
+#include "librbd/Operations.h"
+#include "librbd/io/ImageRequestWQ.h"
+#include "cls/lock/cls_lock_client.h"
+#include "cls/lock/cls_lock_types.h"
+#include "cls/rbd/cls_rbd_types.h"
+#include "librbd/internal.h"
+#include "test/librados/test.h"
+#include <iostream>
+#include <sstream>
+#include <stdlib.h>
+
+std::string TestFixture::_pool_name;
+librados::Rados TestFixture::_rados;
+rados_t TestFixture::_cluster;
+uint64_t TestFixture::_image_number = 0;
+std::string TestFixture::_data_pool;
+
+TestFixture::TestFixture() : m_image_size(0) {
+}
+
+void TestFixture::SetUpTestCase() {
+  ASSERT_EQ("", connect_cluster(&_cluster));
+  _pool_name = get_temp_pool_name("test-librbd-");
+  ASSERT_EQ("", create_one_pool_pp(_pool_name, _rados));
+
+  bool created = false;
+  ASSERT_EQ(0, create_image_data_pool(_rados, _data_pool, &created));
+  if (!_data_pool.empty()) {
+    printf("using image data pool: %s\n", _data_pool.c_str());
+    if (!created) {
+      _data_pool.clear();
+    }
+  }
+}
+
+void TestFixture::TearDownTestCase() {
+  rados_shutdown(_cluster);
+  if (!_data_pool.empty()) {
+    ASSERT_EQ(0, _rados.pool_delete(_data_pool.c_str()));
+  }
+
+  ASSERT_EQ(0, destroy_one_pool_pp(_pool_name, _rados));
+}
+
+std::string TestFixture::get_temp_image_name() {
+  ++_image_number;
+  return "image" + stringify(_image_number);
+}
+
+void TestFixture::SetUp() {
+  ASSERT_EQ(0, _rados.ioctx_create(_pool_name.c_str(), m_ioctx));
+
+  m_image_name = get_temp_image_name();
+  m_image_size = 2 << 20;
+  ASSERT_EQ(0, create_image_pp(m_rbd, m_ioctx, m_image_name, m_image_size));
+}
+
+void TestFixture::TearDown() {
+  unlock_image();
+  for (std::set<librbd::ImageCtx *>::iterator iter = m_ictxs.begin();
+       iter != m_ictxs.end(); ++iter) {
+    (*iter)->state->close();
+  }
+
+  m_ioctx.close();
+}
+
+int TestFixture::open_image(const std::string &image_name,
+                           librbd::ImageCtx **ictx) {
+  *ictx = new librbd::ImageCtx(image_name.c_str(), "", NULL, m_ioctx, false);
+  m_ictxs.insert(*ictx);
+
+  return (*ictx)->state->open(false);
+}
+
+int TestFixture::snap_create(librbd::ImageCtx &ictx,
+                             const std::string &snap_name) {
+  return ictx.operations->snap_create(cls::rbd::UserSnapshotNamespace(),
+                                     snap_name.c_str());
+}
+
+int TestFixture::snap_protect(librbd::ImageCtx &ictx,
+                              const std::string &snap_name) {
+  return ictx.operations->snap_protect(cls::rbd::UserSnapshotNamespace(),
+                                       snap_name.c_str());
+}
+
+int TestFixture::flatten(librbd::ImageCtx &ictx,
+                         librbd::ProgressContext &prog_ctx) {
+  return ictx.operations->flatten(prog_ctx);
+}
+
+void TestFixture::close_image(librbd::ImageCtx *ictx) {
+  m_ictxs.erase(ictx);
+
+  ictx->state->close();
+}
+
+int TestFixture::lock_image(librbd::ImageCtx &ictx, ClsLockType lock_type,
+                           const std::string &cookie) {
+  int r = rados::cls::lock::lock(&ictx.md_ctx, ictx.header_oid, RBD_LOCK_NAME,
+                          lock_type, cookie, "internal", "", utime_t(),
+                          0);
+  if (r == 0) {
+    m_lock_object = ictx.header_oid;
+    m_lock_cookie = cookie;
+  }
+  return r;
+}
+
+int TestFixture::unlock_image() {
+  int r = 0;
+  if (!m_lock_cookie.empty()) {
+    r = rados::cls::lock::unlock(&m_ioctx, m_lock_object, RBD_LOCK_NAME,
+                          m_lock_cookie);
+    m_lock_cookie = "";
+  }
+  return r;
+}
+
+int TestFixture::acquire_exclusive_lock(librbd::ImageCtx &ictx) {
+  int r = ictx.io_work_queue->write(0, 0, {}, 0);
+  if (r != 0) {
+    return r;
+  }
+
+  RWLock::RLocker owner_locker(ictx.owner_lock);
+  assert(ictx.exclusive_lock != nullptr);
+  return ictx.exclusive_lock->is_lock_owner() ? 0 : -EINVAL;
+}