[ceph.git] / ceph / src / test / rbd_mirror / test_mock_ImageSync.cc

// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab

#include "test/rbd_mirror/test_mock_fixture.h"
#include "include/rbd/librbd.hpp"
#include "librbd/DeepCopyRequest.h"
#include "test/librados_test_stub/MockTestMemIoCtxImpl.h"
#include "test/librbd/mock/MockImageCtx.h"
#include "test/rbd_mirror/mock/image_sync/MockSyncPointHandler.h"
#include "tools/rbd_mirror/ImageSync.h"
#include "tools/rbd_mirror/Threads.h"
#include "tools/rbd_mirror/image_sync/SyncPointCreateRequest.h"
#include "tools/rbd_mirror/image_sync/SyncPointPruneRequest.h"

namespace librbd {

namespace {

struct MockTestImageCtx : public librbd::MockImageCtx {
  explicit MockTestImageCtx(librbd::ImageCtx &image_ctx)
    : librbd::MockImageCtx(image_ctx) {
  }
};

} // anonymous namespace

template <>
class DeepCopyRequest<librbd::MockTestImageCtx> {
public:
  static DeepCopyRequest* s_instance;
  Context *on_finish;

  static DeepCopyRequest* create(
      librbd::MockTestImageCtx *src_image_ctx,
      librbd::MockTestImageCtx *dst_image_ctx,
      librados::snap_t src_snap_id_start, librados::snap_t src_snap_id_end,
      librados::snap_t dst_snap_id_start, bool flatten,
      const librbd::deep_copy::ObjectNumber &object_number,
      ContextWQ *work_queue, SnapSeqs *snap_seqs, ProgressContext *prog_ctx,
      Context *on_finish) {
    ceph_assert(s_instance != nullptr);
    s_instance->on_finish = on_finish;
    return s_instance;
  }

  DeepCopyRequest() {
    s_instance = this;
  }

  void put() {
  }

  void get() {
  }

  MOCK_METHOD0(cancel, void());
  MOCK_METHOD0(send, void());
};

DeepCopyRequest<librbd::MockTestImageCtx>* DeepCopyRequest<librbd::MockTestImageCtx>::s_instance = nullptr;

} // namespace librbd

// template definitions
template class rbd::mirror::ImageSync<librbd::MockTestImageCtx>;
#include "tools/rbd_mirror/ImageSync.cc"

namespace rbd {
namespace mirror {

template <>
struct Threads<librbd::MockTestImageCtx> {
  ceph::mutex &timer_lock;
  SafeTimer *timer;
  ContextWQ *work_queue;

  Threads(Threads<librbd::ImageCtx> *threads)
    : timer_lock(threads->timer_lock), timer(threads->timer),
      work_queue(threads->work_queue) {
  }
};

template<>
struct InstanceWatcher<librbd::MockTestImageCtx> {
  MOCK_METHOD2(notify_sync_request, void(const std::string, Context *));
  MOCK_METHOD1(cancel_sync_request, bool(const std::string &));
  MOCK_METHOD1(notify_sync_complete, void(const std::string &));
};

namespace image_sync {

template <>
class SyncPointCreateRequest<librbd::MockTestImageCtx> {
public:
  static SyncPointCreateRequest *s_instance;
  Context *on_finish;

  static SyncPointCreateRequest* create(librbd::MockTestImageCtx *remote_image_ctx,
                                        const std::string &mirror_uuid,
                                        image_sync::SyncPointHandler* sync_point_handler,
                                        Context *on_finish) {
    ceph_assert(s_instance != nullptr);
    s_instance->on_finish = on_finish;
    return s_instance;
  }

  SyncPointCreateRequest() {
    s_instance = this;
  }
  MOCK_METHOD0(send, void());
};

template <>
class SyncPointPruneRequest<librbd::MockTestImageCtx> {
public:
  static SyncPointPruneRequest *s_instance;
  Context *on_finish;
  bool sync_complete;

  static SyncPointPruneRequest* create(librbd::MockTestImageCtx *remote_image_ctx,
                                       bool sync_complete,
                                       image_sync::SyncPointHandler* sync_point_handler,
                                       Context *on_finish) {
    ceph_assert(s_instance != nullptr);
    s_instance->on_finish = on_finish;
    s_instance->sync_complete = sync_complete;
    return s_instance;
  }

  SyncPointPruneRequest() {
    s_instance = this;
  }
  MOCK_METHOD0(send, void());
};

SyncPointCreateRequest<librbd::MockTestImageCtx>* SyncPointCreateRequest<librbd::MockTestImageCtx>::s_instance = nullptr;
SyncPointPruneRequest<librbd::MockTestImageCtx>* SyncPointPruneRequest<librbd::MockTestImageCtx>::s_instance = nullptr;

} // namespace image_sync

using ::testing::_;
using ::testing::DoAll;
using ::testing::InSequence;
using ::testing::Invoke;
using ::testing::Return;
using ::testing::StrEq;
using ::testing::WithArg;
using ::testing::InvokeWithoutArgs;

class TestMockImageSync : public TestMockFixture {
public:
  typedef Threads<librbd::MockTestImageCtx> MockThreads;
  typedef ImageSync<librbd::MockTestImageCtx> MockImageSync;
  typedef InstanceWatcher<librbd::MockTestImageCtx> MockInstanceWatcher;
  typedef image_sync::SyncPointCreateRequest<librbd::MockTestImageCtx> MockSyncPointCreateRequest;
  typedef image_sync::SyncPointPruneRequest<librbd::MockTestImageCtx> MockSyncPointPruneRequest;
  typedef image_sync::MockSyncPointHandler MockSyncPointHandler;
  typedef librbd::DeepCopyRequest<librbd::MockTestImageCtx> MockImageCopyRequest;

  void SetUp() override {
    TestMockFixture::SetUp();

    librbd::RBD rbd;
    ASSERT_EQ(0, create_image(rbd, m_remote_io_ctx, m_image_name, m_image_size));
    ASSERT_EQ(0, open_image(m_remote_io_ctx, m_image_name, &m_remote_image_ctx));

    ASSERT_EQ(0, create_image(rbd, m_local_io_ctx, m_image_name, m_image_size));
    ASSERT_EQ(0, open_image(m_local_io_ctx, m_image_name, &m_local_image_ctx));
  }

  void expect_get_snap_id(librbd::MockTestImageCtx &mock_image_ctx) {
    EXPECT_CALL(mock_image_ctx, get_snap_id(_, _))
      .WillOnce(Return(123));
  }

  void expect_notify_sync_request(MockInstanceWatcher &mock_instance_watcher,
                                  const std::string &sync_id, int r) {
    EXPECT_CALL(mock_instance_watcher, notify_sync_request(sync_id, _))
      .WillOnce(Invoke([this, r](const std::string &, Context *on_sync_start) {
            m_threads->work_queue->queue(on_sync_start, r);
          }));
  }

  void expect_cancel_sync_request(MockInstanceWatcher &mock_instance_watcher,
                                  const std::string &sync_id, bool canceled) {
    EXPECT_CALL(mock_instance_watcher, cancel_sync_request(sync_id))
      .WillOnce(Return(canceled));
  }

  void expect_notify_sync_complete(MockInstanceWatcher &mock_instance_watcher,
                                   const std::string &sync_id) {
    EXPECT_CALL(mock_instance_watcher, notify_sync_complete(sync_id));
  }

  void expect_create_sync_point(librbd::MockTestImageCtx &mock_local_image_ctx,
                                MockSyncPointCreateRequest &mock_sync_point_create_request,
                                int r) {
    EXPECT_CALL(mock_sync_point_create_request, send())
      .WillOnce(Invoke([this, &mock_local_image_ctx, &mock_sync_point_create_request, r]() {
          if (r == 0) {
            mock_local_image_ctx.snap_ids[{cls::rbd::UserSnapshotNamespace(),
					   "snap1"}] = 123;
            m_sync_points.emplace_back(cls::rbd::UserSnapshotNamespace(),
                                       "snap1", "", boost::none);
          }
          m_threads->work_queue->queue(mock_sync_point_create_request.on_finish, r);
        }));
  }

  void expect_copy_image(MockImageCopyRequest &mock_image_copy_request, int r) {
    EXPECT_CALL(mock_image_copy_request, send())
      .WillOnce(Invoke([this, &mock_image_copy_request, r]() {
          m_threads->work_queue->queue(mock_image_copy_request.on_finish, r);
        }));
  }

  void expect_flush_sync_point(MockSyncPointHandler& mock_sync_point_handler,
                               int r) {
    EXPECT_CALL(mock_sync_point_handler, update_sync_points(_, _, false, _))
      .WillOnce(WithArg<3>(CompleteContext(r)));
  }

  void expect_prune_sync_point(MockSyncPointPruneRequest &mock_sync_point_prune_request,
                               bool sync_complete, int r) {
    EXPECT_CALL(mock_sync_point_prune_request, send())
      .WillOnce(Invoke([this, &mock_sync_point_prune_request, sync_complete, r]() {
          ASSERT_EQ(sync_complete, mock_sync_point_prune_request.sync_complete);
          if (r == 0 && !m_sync_points.empty()) {
            if (sync_complete) {
              m_sync_points.pop_front();
            } else {
              while (m_sync_points.size() > 1) {
                m_sync_points.pop_back();
              }
            }
          }
          m_threads->work_queue->queue(mock_sync_point_prune_request.on_finish, r);
        }));
  }

  void expect_get_snap_seqs(MockSyncPointHandler& mock_sync_point_handler) {
    EXPECT_CALL(mock_sync_point_handler, get_snap_seqs())
      .WillRepeatedly(Return(librbd::SnapSeqs{}));
  }

  void expect_get_sync_points(MockSyncPointHandler& mock_sync_point_handler) {
    EXPECT_CALL(mock_sync_point_handler, get_sync_points())
      .WillRepeatedly(Invoke([this]() {
                        return m_sync_points;
                      }));
  }

  MockImageSync *create_request(MockThreads& mock_threads,
                                librbd::MockTestImageCtx &mock_remote_image_ctx,
                                librbd::MockTestImageCtx &mock_local_image_ctx,
                                MockSyncPointHandler& mock_sync_point_handler,
                                MockInstanceWatcher &mock_instance_watcher,
                                Context *ctx) {
    return new MockImageSync(&mock_threads, &mock_local_image_ctx,
                             &mock_remote_image_ctx,
                             "mirror-uuid", &mock_sync_point_handler,
                             &mock_instance_watcher, nullptr, ctx);
  }

  librbd::ImageCtx *m_remote_image_ctx;
  librbd::ImageCtx *m_local_image_ctx;

  image_sync::SyncPoints m_sync_points;
};

TEST_F(TestMockImageSync, SimpleSync) {
  MockThreads mock_threads(m_threads);
  librbd::MockTestImageCtx mock_remote_image_ctx(*m_remote_image_ctx);
  librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
  MockSyncPointHandler mock_sync_point_handler;
  MockInstanceWatcher mock_instance_watcher;
  MockImageCopyRequest mock_image_copy_request;
  MockSyncPointCreateRequest mock_sync_point_create_request;
  MockSyncPointPruneRequest mock_sync_point_prune_request;

  expect_get_snap_seqs(mock_sync_point_handler);
  expect_get_sync_points(mock_sync_point_handler);

  InSequence seq;
  expect_notify_sync_request(mock_instance_watcher, mock_local_image_ctx.id, 0);
  expect_create_sync_point(mock_local_image_ctx, mock_sync_point_create_request, 0);
  expect_get_snap_id(mock_remote_image_ctx);
  expect_copy_image(mock_image_copy_request, 0);
  expect_flush_sync_point(mock_sync_point_handler, 0);
  expect_prune_sync_point(mock_sync_point_prune_request, true, 0);
  expect_notify_sync_complete(mock_instance_watcher, mock_local_image_ctx.id);

  C_SaferCond ctx;
  MockImageSync *request = create_request(mock_threads, mock_remote_image_ctx,
                                          mock_local_image_ctx,
                                          mock_sync_point_handler,
                                          mock_instance_watcher, &ctx);
  request->send();
  ASSERT_EQ(0, ctx.wait());
}

TEST_F(TestMockImageSync, RestartSync) {
  MockThreads mock_threads(m_threads);
  librbd::MockTestImageCtx mock_remote_image_ctx(*m_remote_image_ctx);
  librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
  MockSyncPointHandler mock_sync_point_handler;
  MockInstanceWatcher mock_instance_watcher;
  MockImageCopyRequest mock_image_copy_request;
  MockSyncPointCreateRequest mock_sync_point_create_request;
  MockSyncPointPruneRequest mock_sync_point_prune_request;

  m_sync_points = {{cls::rbd::UserSnapshotNamespace(), "snap1", "", boost::none},
                   {cls::rbd::UserSnapshotNamespace(), "snap2", "snap1", boost::none}};
  mock_local_image_ctx.snap_ids[{cls::rbd::UserSnapshotNamespace(), "snap1"}] = 123;
  mock_local_image_ctx.snap_ids[{cls::rbd::UserSnapshotNamespace(), "snap2"}] = 234;

  expect_test_features(mock_local_image_ctx);
  expect_get_snap_seqs(mock_sync_point_handler);
  expect_get_sync_points(mock_sync_point_handler);

  InSequence seq;
  expect_notify_sync_request(mock_instance_watcher, mock_local_image_ctx.id, 0);
  expect_prune_sync_point(mock_sync_point_prune_request, false, 0);
  expect_get_snap_id(mock_remote_image_ctx);
  expect_copy_image(mock_image_copy_request, 0);
  expect_flush_sync_point(mock_sync_point_handler, 0);
  expect_prune_sync_point(mock_sync_point_prune_request, true, 0);
  expect_notify_sync_complete(mock_instance_watcher, mock_local_image_ctx.id);

  C_SaferCond ctx;
  MockImageSync *request = create_request(mock_threads, mock_remote_image_ctx,
                                          mock_local_image_ctx,
                                          mock_sync_point_handler,
                                          mock_instance_watcher, &ctx);
  request->send();
  ASSERT_EQ(0, ctx.wait());
}

TEST_F(TestMockImageSync, CancelNotifySyncRequest) {
  MockThreads mock_threads(m_threads);
  librbd::MockTestImageCtx mock_remote_image_ctx(*m_remote_image_ctx);
  librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
  MockSyncPointHandler mock_sync_point_handler;
  MockInstanceWatcher mock_instance_watcher;

  expect_get_snap_seqs(mock_sync_point_handler);
  expect_get_sync_points(mock_sync_point_handler);

  InSequence seq;
  Context *on_sync_start = nullptr;
  C_SaferCond notify_sync_ctx;
  EXPECT_CALL(mock_instance_watcher,
              notify_sync_request(mock_local_image_ctx.id, _))
    .WillOnce(Invoke([&on_sync_start, &notify_sync_ctx](
                         const std::string &, Context *ctx) {
                       on_sync_start = ctx;
                       notify_sync_ctx.complete(0);
                     }));
  EXPECT_CALL(mock_instance_watcher,
              cancel_sync_request(mock_local_image_ctx.id))
    .WillOnce(Invoke([&on_sync_start](const std::string &) {
          EXPECT_NE(nullptr, on_sync_start);
          on_sync_start->complete(-ECANCELED);
          return true;
        }));

  C_SaferCond ctx;
  MockImageSync *request = create_request(mock_threads, mock_remote_image_ctx,
                                          mock_local_image_ctx,
                                          mock_sync_point_handler,
                                          mock_instance_watcher, &ctx);
  request->get();
  request->send();

  // cancel the notify sync request once it starts
  ASSERT_EQ(0, notify_sync_ctx.wait());
  request->cancel();
  request->put();

  ASSERT_EQ(-ECANCELED, ctx.wait());
}

TEST_F(TestMockImageSync, CancelImageCopy) {
  MockThreads mock_threads(m_threads);
  librbd::MockTestImageCtx mock_remote_image_ctx(*m_remote_image_ctx);
  librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
  MockSyncPointHandler mock_sync_point_handler;
  MockInstanceWatcher mock_instance_watcher;
  MockImageCopyRequest mock_image_copy_request;
  MockSyncPointCreateRequest mock_sync_point_create_request;
  MockSyncPointPruneRequest mock_sync_point_prune_request;

  m_sync_points = {{cls::rbd::UserSnapshotNamespace(), "snap1", "", boost::none}};
  expect_get_snap_seqs(mock_sync_point_handler);
  expect_get_sync_points(mock_sync_point_handler);

  InSequence seq;
  expect_notify_sync_request(mock_instance_watcher, mock_local_image_ctx.id, 0);
  expect_prune_sync_point(mock_sync_point_prune_request, false, 0);
  expect_get_snap_id(mock_remote_image_ctx);

  C_SaferCond image_copy_ctx;
  EXPECT_CALL(mock_image_copy_request, send())
    .WillOnce(Invoke([&image_copy_ctx]() {
        image_copy_ctx.complete(0);
      }));
  expect_cancel_sync_request(mock_instance_watcher, mock_local_image_ctx.id,
                             false);
  EXPECT_CALL(mock_image_copy_request, cancel());
  expect_notify_sync_complete(mock_instance_watcher, mock_local_image_ctx.id);

  C_SaferCond ctx;
  MockImageSync *request = create_request(mock_threads, mock_remote_image_ctx,
                                          mock_local_image_ctx,
                                          mock_sync_point_handler,
                                          mock_instance_watcher, &ctx);
  request->get();
  request->send();

  // cancel the image copy once it starts
  ASSERT_EQ(0, image_copy_ctx.wait());
  request->cancel();
  request->put();
  m_threads->work_queue->queue(mock_image_copy_request.on_finish, 0);

  ASSERT_EQ(-ECANCELED, ctx.wait());
}

TEST_F(TestMockImageSync, CancelAfterCopyImage) {
  MockThreads mock_threads(m_threads);
  librbd::MockTestImageCtx mock_remote_image_ctx(*m_remote_image_ctx);
  librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
  MockSyncPointHandler mock_sync_point_handler;
  MockInstanceWatcher mock_instance_watcher;
  MockImageCopyRequest mock_image_copy_request;
  MockSyncPointCreateRequest mock_sync_point_create_request;
  MockSyncPointPruneRequest mock_sync_point_prune_request;

  C_SaferCond ctx;
  MockImageSync *request = create_request(mock_threads, mock_remote_image_ctx,
                                          mock_local_image_ctx,
                                          mock_sync_point_handler,
                                          mock_instance_watcher, &ctx);

  expect_get_snap_seqs(mock_sync_point_handler);
  expect_get_sync_points(mock_sync_point_handler);

  InSequence seq;
  expect_notify_sync_request(mock_instance_watcher, mock_local_image_ctx.id, 0);
  expect_create_sync_point(mock_local_image_ctx, mock_sync_point_create_request, 0);
  expect_get_snap_id(mock_remote_image_ctx);
  EXPECT_CALL(mock_image_copy_request, send())
    .WillOnce((DoAll(InvokeWithoutArgs([request]() {
	      request->cancel();
	    }),
	  Invoke([this, &mock_image_copy_request]() {
	      m_threads->work_queue->queue(mock_image_copy_request.on_finish, 0);
	    }))));
  expect_cancel_sync_request(mock_instance_watcher, mock_local_image_ctx.id,
                             false);
  EXPECT_CALL(mock_image_copy_request, cancel());
  expect_notify_sync_complete(mock_instance_watcher, mock_local_image_ctx.id);

  request->send();
  ASSERT_EQ(-ECANCELED, ctx.wait());
}

} // namespace mirror
} // namespace rbd
Commit	Line	Data
7c673cae FG	1	// -- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t --
	2	// vim: ts=8 sw=2 smarttab
	3
	4	#include "test/rbd_mirror/test_mock_fixture.h"
	5	#include "include/rbd/librbd.hpp"
11fdf7f2	6	#include "librbd/DeepCopyRequest.h"
7c673cae FG	7	#include "test/librados_test_stub/MockTestMemIoCtxImpl.h"
7c673cae FG	8	#include "test/librbd/mock/MockImageCtx.h"
9f95a23c	9	#include "test/rbd_mirror/mock/image_sync/MockSyncPointHandler.h"
7c673cae FG	10	#include "tools/rbd_mirror/ImageSync.h"
7c673cae FG	11	#include "tools/rbd_mirror/Threads.h"
7c673cae FG	12	#include "tools/rbd_mirror/image_sync/SyncPointCreateRequest.h"
	13	#include "tools/rbd_mirror/image_sync/SyncPointPruneRequest.h"
	14
	15	namespace librbd {
	16
	17	namespace {
	18
	19	struct MockTestImageCtx : public librbd::MockImageCtx {
11fdf7f2	20	explicit MockTestImageCtx(librbd::ImageCtx &image_ctx)
7c673cae FG	21	: librbd::MockImageCtx(image_ctx) {
	22	}
	23	};
	24
	25	} // anonymous namespace
	26
7c673cae	27	template <>
11fdf7f2	28	class DeepCopyRequest<librbd::MockTestImageCtx> {
7c673cae	29	public:
11fdf7f2	30	static DeepCopyRequest* s_instance;
7c673cae FG	31	Context *on_finish;
7c673cae FG	32
11fdf7f2 TL	33	static DeepCopyRequest* create(
	34	librbd::MockTestImageCtx *src_image_ctx,
	35	librbd::MockTestImageCtx *dst_image_ctx,
9f95a23c TL	36	librados::snap_t src_snap_id_start, librados::snap_t src_snap_id_end,
	37	librados::snap_t dst_snap_id_start, bool flatten,
	38	const librbd::deep_copy::ObjectNumber &object_number,
11fdf7f2 TL	39	ContextWQ work_queue, SnapSeqs snap_seqs, ProgressContext *prog_ctx,
	40	Context *on_finish) {
	41	ceph_assert(s_instance != nullptr);
7c673cae FG	42	s_instance->on_finish = on_finish;
	43	return s_instance;
	44	}
	45
11fdf7f2	46	DeepCopyRequest() {
7c673cae FG	47	s_instance = this;
	48	}
	49
	50	void put() {
	51	}
	52
	53	void get() {
	54	}
	55
	56	MOCK_METHOD0(cancel, void());
	57	MOCK_METHOD0(send, void());
	58	};
	59
11fdf7f2	60	DeepCopyRequest<librbd::MockTestImageCtx>* DeepCopyRequest<librbd::MockTestImageCtx>::s_instance = nullptr;
b32b8144	61
11fdf7f2	62	} // namespace librbd
7c673cae	63
11fdf7f2 TL	64	// template definitions
	65	template class rbd::mirror::ImageSync<librbd::MockTestImageCtx>;
	66	#include "tools/rbd_mirror/ImageSync.cc"
7c673cae	67
11fdf7f2 TL	68	namespace rbd {
11fdf7f2 TL	69	namespace mirror {
7c673cae	70
9f95a23c TL	71	template <>
	72	struct Threads<librbd::MockTestImageCtx> {
	73	ceph::mutex &timer_lock;
	74	SafeTimer *timer;
	75	ContextWQ *work_queue;
	76
	77	Threads(Threads<librbd::ImageCtx> *threads)
	78	: timer_lock(threads->timer_lock), timer(threads->timer),
	79	work_queue(threads->work_queue) {
	80	}
	81	};
	82
11fdf7f2 TL	83	template<>
	84	struct InstanceWatcher<librbd::MockTestImageCtx> {
	85	MOCK_METHOD2(notify_sync_request, void(const std::string, Context *));
	86	MOCK_METHOD1(cancel_sync_request, bool(const std::string &));
	87	MOCK_METHOD1(notify_sync_complete, void(const std::string &));
7c673cae FG	88	};
7c673cae FG	89
11fdf7f2 TL	90	namespace image_sync {
11fdf7f2 TL	91
7c673cae FG	92	template <>
	93	class SyncPointCreateRequest<librbd::MockTestImageCtx> {
	94	public:
	95	static SyncPointCreateRequest *s_instance;
	96	Context *on_finish;
	97
	98	static SyncPointCreateRequest* create(librbd::MockTestImageCtx *remote_image_ctx,
	99	const std::string &mirror_uuid,
9f95a23c	100	image_sync::SyncPointHandler* sync_point_handler,
7c673cae	101	Context *on_finish) {
11fdf7f2	102	ceph_assert(s_instance != nullptr);
7c673cae FG	103	s_instance->on_finish = on_finish;
	104	return s_instance;
	105	}
	106
	107	SyncPointCreateRequest() {
	108	s_instance = this;
	109	}
	110	MOCK_METHOD0(send, void());
	111	};
	112
	113	template <>
	114	class SyncPointPruneRequest<librbd::MockTestImageCtx> {
	115	public:
	116	static SyncPointPruneRequest *s_instance;
	117	Context *on_finish;
	118	bool sync_complete;
	119
	120	static SyncPointPruneRequest* create(librbd::MockTestImageCtx *remote_image_ctx,
	121	bool sync_complete,
9f95a23c	122	image_sync::SyncPointHandler* sync_point_handler,
7c673cae	123	Context *on_finish) {
11fdf7f2	124	ceph_assert(s_instance != nullptr);
7c673cae FG	125	s_instance->on_finish = on_finish;
	126	s_instance->sync_complete = sync_complete;
	127	return s_instance;
	128	}
	129
	130	SyncPointPruneRequest() {
	131	s_instance = this;
	132	}
	133	MOCK_METHOD0(send, void());
	134	};
	135
7c673cae FG	136	SyncPointCreateRequest<librbd::MockTestImageCtx>* SyncPointCreateRequest<librbd::MockTestImageCtx>::s_instance = nullptr;
	137	SyncPointPruneRequest<librbd::MockTestImageCtx>* SyncPointPruneRequest<librbd::MockTestImageCtx>::s_instance = nullptr;
	138
	139	} // namespace image_sync
	140
	141	using ::testing::_;
9f95a23c	142	using ::testing::DoAll;
7c673cae FG	143	using ::testing::InSequence;
	144	using ::testing::Invoke;
	145	using ::testing::Return;
11fdf7f2	146	using ::testing::StrEq;
7c673cae FG	147	using ::testing::WithArg;
	148	using ::testing::InvokeWithoutArgs;
	149
	150	class TestMockImageSync : public TestMockFixture {
	151	public:
9f95a23c	152	typedef Threads<librbd::MockTestImageCtx> MockThreads;
7c673cae	153	typedef ImageSync<librbd::MockTestImageCtx> MockImageSync;
31f18b77	154	typedef InstanceWatcher<librbd::MockTestImageCtx> MockInstanceWatcher;
7c673cae FG	155	typedef image_sync::SyncPointCreateRequest<librbd::MockTestImageCtx> MockSyncPointCreateRequest;
7c673cae FG	156	typedef image_sync::SyncPointPruneRequest<librbd::MockTestImageCtx> MockSyncPointPruneRequest;
9f95a23c	157	typedef image_sync::MockSyncPointHandler MockSyncPointHandler;
11fdf7f2	158	typedef librbd::DeepCopyRequest<librbd::MockTestImageCtx> MockImageCopyRequest;
7c673cae FG	159
	160	void SetUp() override {
	161	TestMockFixture::SetUp();
	162
	163	librbd::RBD rbd;
	164	ASSERT_EQ(0, create_image(rbd, m_remote_io_ctx, m_image_name, m_image_size));
	165	ASSERT_EQ(0, open_image(m_remote_io_ctx, m_image_name, &m_remote_image_ctx));
	166
	167	ASSERT_EQ(0, create_image(rbd, m_local_io_ctx, m_image_name, m_image_size));
	168	ASSERT_EQ(0, open_image(m_local_io_ctx, m_image_name, &m_local_image_ctx));
	169	}
	170
11fdf7f2 TL	171	void expect_get_snap_id(librbd::MockTestImageCtx &mock_image_ctx) {
	172	EXPECT_CALL(mock_image_ctx, get_snap_id(_, _))
	173	.WillOnce(Return(123));
31f18b77 FG	174	}
	175
	176	void expect_notify_sync_request(MockInstanceWatcher &mock_instance_watcher,
	177	const std::string &sync_id, int r) {
	178	EXPECT_CALL(mock_instance_watcher, notify_sync_request(sync_id, _))
	179	.WillOnce(Invoke([this, r](const std::string &, Context *on_sync_start) {
	180	m_threads->work_queue->queue(on_sync_start, r);
	181	}));
	182	}
	183
	184	void expect_cancel_sync_request(MockInstanceWatcher &mock_instance_watcher,
	185	const std::string &sync_id, bool canceled) {
	186	EXPECT_CALL(mock_instance_watcher, cancel_sync_request(sync_id))
	187	.WillOnce(Return(canceled));
	188	}
	189
	190	void expect_notify_sync_complete(MockInstanceWatcher &mock_instance_watcher,
	191	const std::string &sync_id) {
	192	EXPECT_CALL(mock_instance_watcher, notify_sync_complete(sync_id));
	193	}
	194
7c673cae FG	195	void expect_create_sync_point(librbd::MockTestImageCtx &mock_local_image_ctx,
	196	MockSyncPointCreateRequest &mock_sync_point_create_request,
	197	int r) {
	198	EXPECT_CALL(mock_sync_point_create_request, send())
	199	.WillOnce(Invoke([this, &mock_local_image_ctx, &mock_sync_point_create_request, r]() {
	200	if (r == 0) {
	201	mock_local_image_ctx.snap_ids[{cls::rbd::UserSnapshotNamespace(),
	202	"snap1"}] = 123;
9f95a23c TL	203	m_sync_points.emplace_back(cls::rbd::UserSnapshotNamespace(),
9f95a23c TL	204	"snap1", "", boost::none);
7c673cae FG	205	}
	206	m_threads->work_queue->queue(mock_sync_point_create_request.on_finish, r);
	207	}));
	208	}
	209
7c673cae FG	210	void expect_copy_image(MockImageCopyRequest &mock_image_copy_request, int r) {
	211	EXPECT_CALL(mock_image_copy_request, send())
	212	.WillOnce(Invoke([this, &mock_image_copy_request, r]() {
	213	m_threads->work_queue->queue(mock_image_copy_request.on_finish, r);
	214	}));
	215	}
	216
9f95a23c TL	217	void expect_flush_sync_point(MockSyncPointHandler& mock_sync_point_handler,
	218	int r) {
	219	EXPECT_CALL(mock_sync_point_handler, update_sync_points(_, _, false, _))
	220	.WillOnce(WithArg<3>(CompleteContext(r)));
7c673cae FG	221	}
	222
	223	void expect_prune_sync_point(MockSyncPointPruneRequest &mock_sync_point_prune_request,
	224	bool sync_complete, int r) {
	225	EXPECT_CALL(mock_sync_point_prune_request, send())
	226	.WillOnce(Invoke([this, &mock_sync_point_prune_request, sync_complete, r]() {
	227	ASSERT_EQ(sync_complete, mock_sync_point_prune_request.sync_complete);
9f95a23c	228	if (r == 0 && !m_sync_points.empty()) {
7c673cae	229	if (sync_complete) {
9f95a23c	230	m_sync_points.pop_front();
7c673cae	231	} else {
9f95a23c TL	232	while (m_sync_points.size() > 1) {
9f95a23c TL	233	m_sync_points.pop_back();
7c673cae FG	234	}
	235	}
	236	}
	237	m_threads->work_queue->queue(mock_sync_point_prune_request.on_finish, r);
	238	}));
	239	}
	240
9f95a23c TL	241	void expect_get_snap_seqs(MockSyncPointHandler& mock_sync_point_handler) {
	242	EXPECT_CALL(mock_sync_point_handler, get_snap_seqs())
	243	.WillRepeatedly(Return(librbd::SnapSeqs{}));
	244	}
	245
	246	void expect_get_sync_points(MockSyncPointHandler& mock_sync_point_handler) {
	247	EXPECT_CALL(mock_sync_point_handler, get_sync_points())
	248	.WillRepeatedly(Invoke([this]() {
	249	return m_sync_points;
	250	}));
	251	}
	252
	253	MockImageSync *create_request(MockThreads& mock_threads,
	254	librbd::MockTestImageCtx &mock_remote_image_ctx,
7c673cae	255	librbd::MockTestImageCtx &mock_local_image_ctx,
9f95a23c	256	MockSyncPointHandler& mock_sync_point_handler,
31f18b77	257	MockInstanceWatcher &mock_instance_watcher,
7c673cae	258	Context *ctx) {
9f95a23c TL	259	return new MockImageSync(&mock_threads, &mock_local_image_ctx,
	260	&mock_remote_image_ctx,
	261	"mirror-uuid", &mock_sync_point_handler,
	262	&mock_instance_watcher, nullptr, ctx);
7c673cae FG	263	}
	264
	265	librbd::ImageCtx *m_remote_image_ctx;
	266	librbd::ImageCtx *m_local_image_ctx;
9f95a23c TL	267
9f95a23c TL	268	image_sync::SyncPoints m_sync_points;
7c673cae FG	269	};
	270
	271	TEST_F(TestMockImageSync, SimpleSync) {
9f95a23c	272	MockThreads mock_threads(m_threads);
7c673cae FG	273	librbd::MockTestImageCtx mock_remote_image_ctx(*m_remote_image_ctx);
7c673cae FG	274	librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
9f95a23c	275	MockSyncPointHandler mock_sync_point_handler;
31f18b77	276	MockInstanceWatcher mock_instance_watcher;
7c673cae	277	MockImageCopyRequest mock_image_copy_request;
7c673cae FG	278	MockSyncPointCreateRequest mock_sync_point_create_request;
7c673cae FG	279	MockSyncPointPruneRequest mock_sync_point_prune_request;
7c673cae	280
9f95a23c TL	281	expect_get_snap_seqs(mock_sync_point_handler);
	282	expect_get_sync_points(mock_sync_point_handler);
	283
7c673cae	284	InSequence seq;
31f18b77	285	expect_notify_sync_request(mock_instance_watcher, mock_local_image_ctx.id, 0);
7c673cae	286	expect_create_sync_point(mock_local_image_ctx, mock_sync_point_create_request, 0);
11fdf7f2	287	expect_get_snap_id(mock_remote_image_ctx);
7c673cae	288	expect_copy_image(mock_image_copy_request, 0);
9f95a23c	289	expect_flush_sync_point(mock_sync_point_handler, 0);
7c673cae	290	expect_prune_sync_point(mock_sync_point_prune_request, true, 0);
31f18b77	291	expect_notify_sync_complete(mock_instance_watcher, mock_local_image_ctx.id);
7c673cae FG	292
7c673cae FG	293	C_SaferCond ctx;
9f95a23c TL	294	MockImageSync *request = create_request(mock_threads, mock_remote_image_ctx,
	295	mock_local_image_ctx,
	296	mock_sync_point_handler,
31f18b77	297	mock_instance_watcher, &ctx);
7c673cae FG	298	request->send();
	299	ASSERT_EQ(0, ctx.wait());
	300	}
	301
	302	TEST_F(TestMockImageSync, RestartSync) {
9f95a23c	303	MockThreads mock_threads(m_threads);
7c673cae FG	304	librbd::MockTestImageCtx mock_remote_image_ctx(*m_remote_image_ctx);
7c673cae FG	305	librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
9f95a23c	306	MockSyncPointHandler mock_sync_point_handler;
31f18b77	307	MockInstanceWatcher mock_instance_watcher;
7c673cae	308	MockImageCopyRequest mock_image_copy_request;
7c673cae FG	309	MockSyncPointCreateRequest mock_sync_point_create_request;
	310	MockSyncPointPruneRequest mock_sync_point_prune_request;
	311
9f95a23c TL	312	m_sync_points = {{cls::rbd::UserSnapshotNamespace(), "snap1", "", boost::none},
9f95a23c TL	313	{cls::rbd::UserSnapshotNamespace(), "snap2", "snap1", boost::none}};
7c673cae FG	314	mock_local_image_ctx.snap_ids[{cls::rbd::UserSnapshotNamespace(), "snap1"}] = 123;
	315	mock_local_image_ctx.snap_ids[{cls::rbd::UserSnapshotNamespace(), "snap2"}] = 234;
	316
7c673cae	317	expect_test_features(mock_local_image_ctx);
9f95a23c TL	318	expect_get_snap_seqs(mock_sync_point_handler);
9f95a23c TL	319	expect_get_sync_points(mock_sync_point_handler);
7c673cae FG	320
7c673cae FG	321	InSequence seq;
31f18b77	322	expect_notify_sync_request(mock_instance_watcher, mock_local_image_ctx.id, 0);
7c673cae	323	expect_prune_sync_point(mock_sync_point_prune_request, false, 0);
11fdf7f2	324	expect_get_snap_id(mock_remote_image_ctx);
7c673cae	325	expect_copy_image(mock_image_copy_request, 0);
9f95a23c	326	expect_flush_sync_point(mock_sync_point_handler, 0);
7c673cae	327	expect_prune_sync_point(mock_sync_point_prune_request, true, 0);
31f18b77	328	expect_notify_sync_complete(mock_instance_watcher, mock_local_image_ctx.id);
7c673cae FG	329
7c673cae FG	330	C_SaferCond ctx;
9f95a23c TL	331	MockImageSync *request = create_request(mock_threads, mock_remote_image_ctx,
	332	mock_local_image_ctx,
	333	mock_sync_point_handler,
31f18b77	334	mock_instance_watcher, &ctx);
7c673cae FG	335	request->send();
	336	ASSERT_EQ(0, ctx.wait());
	337	}
	338
31f18b77	339	TEST_F(TestMockImageSync, CancelNotifySyncRequest) {
9f95a23c	340	MockThreads mock_threads(m_threads);
31f18b77 FG	341	librbd::MockTestImageCtx mock_remote_image_ctx(*m_remote_image_ctx);
31f18b77 FG	342	librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
9f95a23c	343	MockSyncPointHandler mock_sync_point_handler;
31f18b77 FG	344	MockInstanceWatcher mock_instance_watcher;
31f18b77 FG	345
9f95a23c TL	346	expect_get_snap_seqs(mock_sync_point_handler);
	347	expect_get_sync_points(mock_sync_point_handler);
	348
31f18b77 FG	349	InSequence seq;
	350	Context *on_sync_start = nullptr;
	351	C_SaferCond notify_sync_ctx;
	352	EXPECT_CALL(mock_instance_watcher,
	353	notify_sync_request(mock_local_image_ctx.id, _))
11fdf7f2	354	.WillOnce(Invoke([&on_sync_start, &notify_sync_ctx](
31f18b77 FG	355	const std::string &, Context *ctx) {
	356	on_sync_start = ctx;
	357	notify_sync_ctx.complete(0);
	358	}));
	359	EXPECT_CALL(mock_instance_watcher,
	360	cancel_sync_request(mock_local_image_ctx.id))
11fdf7f2	361	.WillOnce(Invoke([&on_sync_start](const std::string &) {
31f18b77 FG	362	EXPECT_NE(nullptr, on_sync_start);
	363	on_sync_start->complete(-ECANCELED);
	364	return true;
	365	}));
	366
	367	C_SaferCond ctx;
9f95a23c TL	368	MockImageSync *request = create_request(mock_threads, mock_remote_image_ctx,
	369	mock_local_image_ctx,
	370	mock_sync_point_handler,
31f18b77 FG	371	mock_instance_watcher, &ctx);
	372	request->get();
	373	request->send();
	374
	375	// cancel the notify sync request once it starts
	376	ASSERT_EQ(0, notify_sync_ctx.wait());
	377	request->cancel();
	378	request->put();
	379
	380	ASSERT_EQ(-ECANCELED, ctx.wait());
	381	}
	382
7c673cae	383	TEST_F(TestMockImageSync, CancelImageCopy) {
9f95a23c	384	MockThreads mock_threads(m_threads);
7c673cae FG	385	librbd::MockTestImageCtx mock_remote_image_ctx(*m_remote_image_ctx);
7c673cae FG	386	librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
9f95a23c	387	MockSyncPointHandler mock_sync_point_handler;
31f18b77	388	MockInstanceWatcher mock_instance_watcher;
7c673cae	389	MockImageCopyRequest mock_image_copy_request;
7c673cae FG	390	MockSyncPointCreateRequest mock_sync_point_create_request;
	391	MockSyncPointPruneRequest mock_sync_point_prune_request;
	392
9f95a23c TL	393	m_sync_points = {{cls::rbd::UserSnapshotNamespace(), "snap1", "", boost::none}};
	394	expect_get_snap_seqs(mock_sync_point_handler);
	395	expect_get_sync_points(mock_sync_point_handler);
7c673cae FG	396
7c673cae FG	397	InSequence seq;
31f18b77	398	expect_notify_sync_request(mock_instance_watcher, mock_local_image_ctx.id, 0);
7c673cae	399	expect_prune_sync_point(mock_sync_point_prune_request, false, 0);
11fdf7f2	400	expect_get_snap_id(mock_remote_image_ctx);
7c673cae FG	401
	402	C_SaferCond image_copy_ctx;
	403	EXPECT_CALL(mock_image_copy_request, send())
	404	.WillOnce(Invoke([&image_copy_ctx]() {
	405	image_copy_ctx.complete(0);
	406	}));
31f18b77 FG	407	expect_cancel_sync_request(mock_instance_watcher, mock_local_image_ctx.id,
31f18b77 FG	408	false);
7c673cae	409	EXPECT_CALL(mock_image_copy_request, cancel());
31f18b77	410	expect_notify_sync_complete(mock_instance_watcher, mock_local_image_ctx.id);
7c673cae FG	411
7c673cae FG	412	C_SaferCond ctx;
9f95a23c TL	413	MockImageSync *request = create_request(mock_threads, mock_remote_image_ctx,
	414	mock_local_image_ctx,
	415	mock_sync_point_handler,
31f18b77	416	mock_instance_watcher, &ctx);
7c673cae FG	417	request->get();
	418	request->send();
	419
	420	// cancel the image copy once it starts
	421	ASSERT_EQ(0, image_copy_ctx.wait());
	422	request->cancel();
	423	request->put();
	424	m_threads->work_queue->queue(mock_image_copy_request.on_finish, 0);
	425
	426	ASSERT_EQ(-ECANCELED, ctx.wait());
	427	}
	428
7c673cae	429	TEST_F(TestMockImageSync, CancelAfterCopyImage) {
9f95a23c	430	MockThreads mock_threads(m_threads);
7c673cae FG	431	librbd::MockTestImageCtx mock_remote_image_ctx(*m_remote_image_ctx);
7c673cae FG	432	librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
9f95a23c	433	MockSyncPointHandler mock_sync_point_handler;
31f18b77	434	MockInstanceWatcher mock_instance_watcher;
7c673cae	435	MockImageCopyRequest mock_image_copy_request;
7c673cae FG	436	MockSyncPointCreateRequest mock_sync_point_create_request;
	437	MockSyncPointPruneRequest mock_sync_point_prune_request;
	438
7c673cae	439	C_SaferCond ctx;
9f95a23c TL	440	MockImageSync *request = create_request(mock_threads, mock_remote_image_ctx,
	441	mock_local_image_ctx,
	442	mock_sync_point_handler,
31f18b77	443	mock_instance_watcher, &ctx);
9f95a23c TL	444
	445	expect_get_snap_seqs(mock_sync_point_handler);
	446	expect_get_sync_points(mock_sync_point_handler);
	447
7c673cae	448	InSequence seq;
31f18b77	449	expect_notify_sync_request(mock_instance_watcher, mock_local_image_ctx.id, 0);
7c673cae	450	expect_create_sync_point(mock_local_image_ctx, mock_sync_point_create_request, 0);
11fdf7f2	451	expect_get_snap_id(mock_remote_image_ctx);
7c673cae FG	452	EXPECT_CALL(mock_image_copy_request, send())
	453	.WillOnce((DoAll(InvokeWithoutArgs([request]() {
	454	request->cancel();
	455	}),
	456	Invoke([this, &mock_image_copy_request]() {
	457	m_threads->work_queue->queue(mock_image_copy_request.on_finish, 0);
	458	}))));
31f18b77 FG	459	expect_cancel_sync_request(mock_instance_watcher, mock_local_image_ctx.id,
31f18b77 FG	460	false);
7c673cae	461	EXPECT_CALL(mock_image_copy_request, cancel());
31f18b77	462	expect_notify_sync_complete(mock_instance_watcher, mock_local_image_ctx.id);
7c673cae FG	463
	464	request->send();
	465	ASSERT_EQ(-ECANCELED, ctx.wait());
	466	}
	467
	468	} // namespace mirror
	469	} // namespace rbd