X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fceph%2Fsrc%2Ftest%2Flibrbd%2Fobject_map%2Ftest_mock_UpdateRequest.cc;fp=src%2Fceph%2Fsrc%2Ftest%2Flibrbd%2Fobject_map%2Ftest_mock_UpdateRequest.cc;h=453e49cd6367e8bba7b3caa93dda2fa68e65fb0a;hb=812ff6ca9fcd3e629e49d4328905f33eee8ca3f5;hp=0000000000000000000000000000000000000000;hpb=15280273faafb77777eab341909a3f495cf248d9;p=stor4nfv.git

diff --git a/src/ceph/src/test/librbd/object_map/test_mock_UpdateRequest.cc b/src/ceph/src/test/librbd/object_map/test_mock_UpdateRequest.cc
new file mode 100644
index 0000000..453e49c
--- /dev/null
+++ b/src/ceph/src/test/librbd/object_map/test_mock_UpdateRequest.cc
@@ -0,0 +1,252 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#include "test/librbd/test_mock_fixture.h"
+#include "test/librbd/test_support.h"
+#include "test/librados_test_stub/MockTestMemIoCtxImpl.h"
+#include "common/bit_vector.hpp"
+#include "librbd/ImageState.h"
+#include "librbd/internal.h"
+#include "librbd/ObjectMap.h"
+#include "librbd/Operations.h"
+#include "librbd/object_map/UpdateRequest.h"
+#include "gmock/gmock.h"
+#include "gtest/gtest.h"
+
+namespace librbd {
+namespace object_map {
+
+using ::testing::_;
+using ::testing::DoDefault;
+using ::testing::InSequence;
+using ::testing::Return;
+using ::testing::StrEq;
+
+class TestMockObjectMapUpdateRequest : public TestMockFixture {
+public:
+  void expect_update(librbd::ImageCtx *ictx, uint64_t snap_id,
+                     uint64_t start_object_no, uint64_t end_object_no,
+                     uint8_t new_state,
+                     const boost::optional<uint8_t>& current_state, int r) {
+    bufferlist bl;
+    ::encode(start_object_no, bl);
+    ::encode(end_object_no, bl);
+    ::encode(new_state, bl);
+    ::encode(current_state, bl);
+
+    std::string oid(ObjectMap<>::object_map_name(ictx->id, snap_id));
+    if (snap_id == CEPH_NOSNAP) {
+      EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx),
+                  exec(oid, _, StrEq("lock"), StrEq("assert_locked"), _, _, _))
+                    .WillOnce(DoDefault());
+    }
+
+    if (r < 0) {
+      EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx),
+                  exec(oid, _, StrEq("rbd"), StrEq("object_map_update"),
+                       ContentsEqual(bl), _, _))
+                    .WillOnce(Return(r));
+    } else {
+      EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx),
+                  exec(oid, _, StrEq("rbd"), StrEq("object_map_update"),
+                       ContentsEqual(bl), _, _))
+                    .WillOnce(DoDefault());
+    }
+  }
+
+  void expect_invalidate(librbd::ImageCtx *ictx) {
+    EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx),
+                exec(ictx->header_oid, _, StrEq("rbd"), StrEq("set_flags"), _, _, _))
+                  .WillOnce(DoDefault());
+  }
+};
+
+TEST_F(TestMockObjectMapUpdateRequest, UpdateInMemory) {
+  REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP);
+
+  librbd::ImageCtx *ictx;
+  ASSERT_EQ(0, open_image(m_image_name, &ictx));
+
+  librbd::NoOpProgressContext no_progress;
+  ASSERT_EQ(0, ictx->operations->resize(4 << ictx->order, true, no_progress));
+  ASSERT_EQ(0, acquire_exclusive_lock(*ictx));
+
+  ceph::BitVector<2> object_map;
+  object_map.resize(4);
+  for (uint64_t i = 0; i < object_map.size(); ++i) {
+    object_map[i] = i % 4;
+  }
+
+  C_SaferCond cond_ctx;
+  AsyncRequest<> *req = new UpdateRequest<>(
+    *ictx, &object_map, CEPH_NOSNAP, 0, object_map.size(), OBJECT_NONEXISTENT,
+    OBJECT_EXISTS, {}, &cond_ctx);
+  {
+    RWLock::RLocker snap_locker(ictx->snap_lock);
+    RWLock::WLocker object_map_locker(ictx->object_map_lock);
+    req->send();
+  }
+  ASSERT_EQ(0, cond_ctx.wait());
+
+  for (uint64_t i = 0; i < object_map.size(); ++i) {
+    if (i % 4 == OBJECT_EXISTS || i % 4 == OBJECT_EXISTS_CLEAN) {
+      ASSERT_EQ(OBJECT_NONEXISTENT, object_map[i]);
+    } else {
+      ASSERT_EQ(i % 4, object_map[i]);
+    }
+  }
+}
+
+TEST_F(TestMockObjectMapUpdateRequest, UpdateHeadOnDisk) {
+  REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP);
+
+  librbd::ImageCtx *ictx;
+  ASSERT_EQ(0, open_image(m_image_name, &ictx));
+  ASSERT_EQ(0, acquire_exclusive_lock(*ictx));
+
+  expect_update(ictx, CEPH_NOSNAP, 0, 1, OBJECT_NONEXISTENT, OBJECT_EXISTS, 0);
+
+  ceph::BitVector<2> object_map;
+  object_map.resize(1);
+
+  C_SaferCond cond_ctx;
+  AsyncRequest<> *req = new UpdateRequest<>(
+    *ictx, &object_map, CEPH_NOSNAP, 0, object_map.size(), OBJECT_NONEXISTENT,
+    OBJECT_EXISTS, {}, &cond_ctx);
+  {
+    RWLock::RLocker snap_locker(ictx->snap_lock);
+    RWLock::WLocker object_map_locker(ictx->object_map_lock);
+    req->send();
+  }
+  ASSERT_EQ(0, cond_ctx.wait());
+
+  expect_unlock_exclusive_lock(*ictx);
+}
+
+TEST_F(TestMockObjectMapUpdateRequest, UpdateSnapOnDisk) {
+  REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP);
+
+  librbd::ImageCtx *ictx;
+  ASSERT_EQ(0, open_image(m_image_name, &ictx));
+  ASSERT_EQ(0, snap_create(*ictx, "snap1"));
+  ASSERT_EQ(0, librbd::snap_set(ictx,
+				cls::rbd::UserSnapshotNamespace(),
+				"snap1"));
+
+  uint64_t snap_id = ictx->snap_id;
+  expect_update(ictx, snap_id, 0, 1, OBJECT_NONEXISTENT, OBJECT_EXISTS, 0);
+
+  ceph::BitVector<2> object_map;
+  object_map.resize(1);
+
+  C_SaferCond cond_ctx;
+  AsyncRequest<> *req = new UpdateRequest<>(
+    *ictx, &object_map, snap_id, 0, object_map.size(), OBJECT_NONEXISTENT,
+    OBJECT_EXISTS, {}, &cond_ctx);
+  {
+    RWLock::RLocker snap_locker(ictx->snap_lock);
+    RWLock::WLocker object_map_locker(ictx->object_map_lock);
+    req->send();
+  }
+  ASSERT_EQ(0, cond_ctx.wait());
+
+  expect_unlock_exclusive_lock(*ictx);
+}
+
+TEST_F(TestMockObjectMapUpdateRequest, UpdateOnDiskError) {
+  REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP);
+
+  librbd::ImageCtx *ictx;
+  ASSERT_EQ(0, open_image(m_image_name, &ictx));
+  ASSERT_EQ(0, acquire_exclusive_lock(*ictx));
+
+  expect_update(ictx, CEPH_NOSNAP, 0, 1, OBJECT_NONEXISTENT, OBJECT_EXISTS,
+                -EINVAL);
+  expect_invalidate(ictx);
+
+  ceph::BitVector<2> object_map;
+  object_map.resize(1);
+
+  C_SaferCond cond_ctx;
+  AsyncRequest<> *req = new UpdateRequest<>(
+    *ictx, &object_map, CEPH_NOSNAP, 0, object_map.size(), OBJECT_NONEXISTENT,
+    OBJECT_EXISTS, {}, &cond_ctx);
+  {
+    RWLock::RLocker snap_locker(ictx->snap_lock);
+    RWLock::WLocker object_map_locker(ictx->object_map_lock);
+    req->send();
+  }
+  ASSERT_EQ(0, cond_ctx.wait());
+
+  expect_unlock_exclusive_lock(*ictx);
+}
+
+TEST_F(TestMockObjectMapUpdateRequest, RebuildSnapOnDisk) {
+  REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP);
+
+  librbd::ImageCtx *ictx;
+  ASSERT_EQ(0, open_image(m_image_name, &ictx));
+  ASSERT_EQ(0, snap_create(*ictx, "snap1"));
+  ASSERT_EQ(0, ictx->state->refresh_if_required());
+  ASSERT_EQ(CEPH_NOSNAP, ictx->snap_id);
+
+  uint64_t snap_id = ictx->snap_info.rbegin()->first;
+  expect_update(ictx, snap_id, 0, 1, OBJECT_EXISTS_CLEAN,
+                boost::optional<uint8_t>(), 0);
+  expect_unlock_exclusive_lock(*ictx);
+
+  ceph::BitVector<2> object_map;
+  object_map.resize(1);
+
+  C_SaferCond cond_ctx;
+  AsyncRequest<> *req = new UpdateRequest<>(
+    *ictx, &object_map, snap_id, 0, object_map.size(), OBJECT_EXISTS_CLEAN,
+    boost::optional<uint8_t>(), {}, &cond_ctx);
+  {
+    RWLock::RLocker snap_locker(ictx->snap_lock);
+    RWLock::WLocker object_map_locker(ictx->object_map_lock);
+    req->send();
+  }
+  ASSERT_EQ(0, cond_ctx.wait());
+
+  // do not update the in-memory map if rebuilding a snapshot
+  ASSERT_NE(OBJECT_EXISTS_CLEAN, object_map[0]);
+}
+
+TEST_F(TestMockObjectMapUpdateRequest, BatchUpdate) {
+  REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP);
+
+  librbd::ImageCtx *ictx;
+  ASSERT_EQ(0, open_image(m_image_name, &ictx));
+
+  librbd::NoOpProgressContext no_progress;
+  ASSERT_EQ(0, ictx->operations->resize(712312 * ictx->get_object_size(), false,
+                                        no_progress));
+  ASSERT_EQ(0, acquire_exclusive_lock(*ictx));
+
+  InSequence seq;
+  expect_update(ictx, CEPH_NOSNAP, 0, 262144, OBJECT_NONEXISTENT, OBJECT_EXISTS,
+                0);
+  expect_update(ictx, CEPH_NOSNAP, 262144, 524288, OBJECT_NONEXISTENT,
+                OBJECT_EXISTS, 0);
+  expect_update(ictx, CEPH_NOSNAP, 524288, 712312, OBJECT_NONEXISTENT,
+                OBJECT_EXISTS, 0);
+  expect_unlock_exclusive_lock(*ictx);
+
+  ceph::BitVector<2> object_map;
+  object_map.resize(712312);
+
+  C_SaferCond cond_ctx;
+  AsyncRequest<> *req = new UpdateRequest<>(
+    *ictx, &object_map, CEPH_NOSNAP, 0, object_map.size(), OBJECT_NONEXISTENT,
+    OBJECT_EXISTS, {}, &cond_ctx);
+  {
+    RWLock::RLocker snap_locker(ictx->snap_lock);
+    RWLock::WLocker object_map_locker(ictx->object_map_lock);
+    req->send();
+  }
+  ASSERT_EQ(0, cond_ctx.wait());
+}
+
+} // namespace object_map
+} // namespace librbd