[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,
      librbd::asio::ContextWQ *work_queue, SnapSeqs *snap_seqs,
      deep_copy::Handler *handler, 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
#include "tools/rbd_mirror/ImageSync.cc"

namespace rbd {
namespace mirror {

template <>
struct Threads<librbd::MockTestImageCtx> {
  ceph::mutex &timer_lock;
  SafeTimer *timer;
  librbd::asio::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,
f67539c2 TL	39	librbd::asio::ContextWQ work_queue, SnapSeqs snap_seqs,
f67539c2 TL	40	deep_copy::Handler handler, Context on_finish) {
11fdf7f2	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	64	// template definitions
11fdf7f2	65	#include "tools/rbd_mirror/ImageSync.cc"
7c673cae	66
11fdf7f2 TL	67	namespace rbd {
11fdf7f2 TL	68	namespace mirror {
7c673cae	69
9f95a23c TL	70	template <>
	71	struct Threads<librbd::MockTestImageCtx> {
	72	ceph::mutex &timer_lock;
	73	SafeTimer *timer;
f67539c2	74	librbd::asio::ContextWQ *work_queue;
9f95a23c TL	75
	76	Threads(Threads<librbd::ImageCtx> *threads)
	77	: timer_lock(threads->timer_lock), timer(threads->timer),
	78	work_queue(threads->work_queue) {
	79	}
	80	};
	81
11fdf7f2 TL	82	template<>
	83	struct InstanceWatcher<librbd::MockTestImageCtx> {
	84	MOCK_METHOD2(notify_sync_request, void(const std::string, Context *));
	85	MOCK_METHOD1(cancel_sync_request, bool(const std::string &));
	86	MOCK_METHOD1(notify_sync_complete, void(const std::string &));
7c673cae FG	87	};
7c673cae FG	88
11fdf7f2 TL	89	namespace image_sync {
11fdf7f2 TL	90
7c673cae FG	91	template <>
	92	class SyncPointCreateRequest<librbd::MockTestImageCtx> {
	93	public:
	94	static SyncPointCreateRequest *s_instance;
	95	Context *on_finish;
	96
	97	static SyncPointCreateRequest* create(librbd::MockTestImageCtx *remote_image_ctx,
	98	const std::string &mirror_uuid,
9f95a23c	99	image_sync::SyncPointHandler* sync_point_handler,
7c673cae	100	Context *on_finish) {
11fdf7f2	101	ceph_assert(s_instance != nullptr);
7c673cae FG	102	s_instance->on_finish = on_finish;
	103	return s_instance;
	104	}
	105
	106	SyncPointCreateRequest() {
	107	s_instance = this;
	108	}
	109	MOCK_METHOD0(send, void());
	110	};
	111
	112	template <>
	113	class SyncPointPruneRequest<librbd::MockTestImageCtx> {
	114	public:
	115	static SyncPointPruneRequest *s_instance;
	116	Context *on_finish;
	117	bool sync_complete;
	118
	119	static SyncPointPruneRequest* create(librbd::MockTestImageCtx *remote_image_ctx,
	120	bool sync_complete,
9f95a23c	121	image_sync::SyncPointHandler* sync_point_handler,
7c673cae	122	Context *on_finish) {
11fdf7f2	123	ceph_assert(s_instance != nullptr);
7c673cae FG	124	s_instance->on_finish = on_finish;
	125	s_instance->sync_complete = sync_complete;
	126	return s_instance;
	127	}
	128
	129	SyncPointPruneRequest() {
	130	s_instance = this;
	131	}
	132	MOCK_METHOD0(send, void());
	133	};
	134
7c673cae FG	135	SyncPointCreateRequest<librbd::MockTestImageCtx>* SyncPointCreateRequest<librbd::MockTestImageCtx>::s_instance = nullptr;
	136	SyncPointPruneRequest<librbd::MockTestImageCtx>* SyncPointPruneRequest<librbd::MockTestImageCtx>::s_instance = nullptr;
	137
	138	} // namespace image_sync
	139
	140	using ::testing::_;
9f95a23c	141	using ::testing::DoAll;
7c673cae FG	142	using ::testing::InSequence;
	143	using ::testing::Invoke;
	144	using ::testing::Return;
11fdf7f2	145	using ::testing::StrEq;
7c673cae FG	146	using ::testing::WithArg;
	147	using ::testing::InvokeWithoutArgs;
	148
	149	class TestMockImageSync : public TestMockFixture {
	150	public:
9f95a23c	151	typedef Threads<librbd::MockTestImageCtx> MockThreads;
7c673cae	152	typedef ImageSync<librbd::MockTestImageCtx> MockImageSync;
31f18b77	153	typedef InstanceWatcher<librbd::MockTestImageCtx> MockInstanceWatcher;
7c673cae FG	154	typedef image_sync::SyncPointCreateRequest<librbd::MockTestImageCtx> MockSyncPointCreateRequest;
7c673cae FG	155	typedef image_sync::SyncPointPruneRequest<librbd::MockTestImageCtx> MockSyncPointPruneRequest;
9f95a23c	156	typedef image_sync::MockSyncPointHandler MockSyncPointHandler;
11fdf7f2	157	typedef librbd::DeepCopyRequest<librbd::MockTestImageCtx> MockImageCopyRequest;
7c673cae FG	158
	159	void SetUp() override {
	160	TestMockFixture::SetUp();
	161
	162	librbd::RBD rbd;
	163	ASSERT_EQ(0, create_image(rbd, m_remote_io_ctx, m_image_name, m_image_size));
	164	ASSERT_EQ(0, open_image(m_remote_io_ctx, m_image_name, &m_remote_image_ctx));
	165
	166	ASSERT_EQ(0, create_image(rbd, m_local_io_ctx, m_image_name, m_image_size));
	167	ASSERT_EQ(0, open_image(m_local_io_ctx, m_image_name, &m_local_image_ctx));
	168	}
	169
11fdf7f2 TL	170	void expect_get_snap_id(librbd::MockTestImageCtx &mock_image_ctx) {
	171	EXPECT_CALL(mock_image_ctx, get_snap_id(_, _))
	172	.WillOnce(Return(123));
31f18b77 FG	173	}
	174
	175	void expect_notify_sync_request(MockInstanceWatcher &mock_instance_watcher,
	176	const std::string &sync_id, int r) {
	177	EXPECT_CALL(mock_instance_watcher, notify_sync_request(sync_id, _))
	178	.WillOnce(Invoke([this, r](const std::string &, Context *on_sync_start) {
	179	m_threads->work_queue->queue(on_sync_start, r);
	180	}));
	181	}
	182
	183	void expect_cancel_sync_request(MockInstanceWatcher &mock_instance_watcher,
	184	const std::string &sync_id, bool canceled) {
	185	EXPECT_CALL(mock_instance_watcher, cancel_sync_request(sync_id))
	186	.WillOnce(Return(canceled));
	187	}
	188
	189	void expect_notify_sync_complete(MockInstanceWatcher &mock_instance_watcher,
	190	const std::string &sync_id) {
	191	EXPECT_CALL(mock_instance_watcher, notify_sync_complete(sync_id));
	192	}
	193
7c673cae FG	194	void expect_create_sync_point(librbd::MockTestImageCtx &mock_local_image_ctx,
	195	MockSyncPointCreateRequest &mock_sync_point_create_request,
	196	int r) {
	197	EXPECT_CALL(mock_sync_point_create_request, send())
	198	.WillOnce(Invoke([this, &mock_local_image_ctx, &mock_sync_point_create_request, r]() {
	199	if (r == 0) {
	200	mock_local_image_ctx.snap_ids[{cls::rbd::UserSnapshotNamespace(),
	201	"snap1"}] = 123;
9f95a23c TL	202	m_sync_points.emplace_back(cls::rbd::UserSnapshotNamespace(),
9f95a23c TL	203	"snap1", "", boost::none);
7c673cae FG	204	}
	205	m_threads->work_queue->queue(mock_sync_point_create_request.on_finish, r);
	206	}));
	207	}
	208
7c673cae FG	209	void expect_copy_image(MockImageCopyRequest &mock_image_copy_request, int r) {
	210	EXPECT_CALL(mock_image_copy_request, send())
	211	.WillOnce(Invoke([this, &mock_image_copy_request, r]() {
	212	m_threads->work_queue->queue(mock_image_copy_request.on_finish, r);
	213	}));
	214	}
	215
9f95a23c TL	216	void expect_flush_sync_point(MockSyncPointHandler& mock_sync_point_handler,
	217	int r) {
	218	EXPECT_CALL(mock_sync_point_handler, update_sync_points(_, _, false, _))
	219	.WillOnce(WithArg<3>(CompleteContext(r)));
7c673cae FG	220	}
	221
	222	void expect_prune_sync_point(MockSyncPointPruneRequest &mock_sync_point_prune_request,
	223	bool sync_complete, int r) {
	224	EXPECT_CALL(mock_sync_point_prune_request, send())
	225	.WillOnce(Invoke([this, &mock_sync_point_prune_request, sync_complete, r]() {
	226	ASSERT_EQ(sync_complete, mock_sync_point_prune_request.sync_complete);
9f95a23c	227	if (r == 0 && !m_sync_points.empty()) {
7c673cae	228	if (sync_complete) {
9f95a23c	229	m_sync_points.pop_front();
7c673cae	230	} else {
9f95a23c TL	231	while (m_sync_points.size() > 1) {
9f95a23c TL	232	m_sync_points.pop_back();
7c673cae FG	233	}
	234	}
	235	}
	236	m_threads->work_queue->queue(mock_sync_point_prune_request.on_finish, r);
	237	}));
	238	}
	239
9f95a23c TL	240	void expect_get_snap_seqs(MockSyncPointHandler& mock_sync_point_handler) {
	241	EXPECT_CALL(mock_sync_point_handler, get_snap_seqs())
	242	.WillRepeatedly(Return(librbd::SnapSeqs{}));
	243	}
	244
	245	void expect_get_sync_points(MockSyncPointHandler& mock_sync_point_handler) {
	246	EXPECT_CALL(mock_sync_point_handler, get_sync_points())
	247	.WillRepeatedly(Invoke([this]() {
	248	return m_sync_points;
	249	}));
	250	}
	251
	252	MockImageSync *create_request(MockThreads& mock_threads,
	253	librbd::MockTestImageCtx &mock_remote_image_ctx,
7c673cae	254	librbd::MockTestImageCtx &mock_local_image_ctx,
9f95a23c	255	MockSyncPointHandler& mock_sync_point_handler,
31f18b77	256	MockInstanceWatcher &mock_instance_watcher,
7c673cae	257	Context *ctx) {
9f95a23c TL	258	return new MockImageSync(&mock_threads, &mock_local_image_ctx,
	259	&mock_remote_image_ctx,
	260	"mirror-uuid", &mock_sync_point_handler,
	261	&mock_instance_watcher, nullptr, ctx);
7c673cae FG	262	}
	263
	264	librbd::ImageCtx *m_remote_image_ctx;
	265	librbd::ImageCtx *m_local_image_ctx;
9f95a23c TL	266
9f95a23c TL	267	image_sync::SyncPoints m_sync_points;
7c673cae FG	268	};
	269
	270	TEST_F(TestMockImageSync, SimpleSync) {
9f95a23c	271	MockThreads mock_threads(m_threads);
7c673cae FG	272	librbd::MockTestImageCtx mock_remote_image_ctx(*m_remote_image_ctx);
7c673cae FG	273	librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
9f95a23c	274	MockSyncPointHandler mock_sync_point_handler;
31f18b77	275	MockInstanceWatcher mock_instance_watcher;
7c673cae	276	MockImageCopyRequest mock_image_copy_request;
7c673cae FG	277	MockSyncPointCreateRequest mock_sync_point_create_request;
7c673cae FG	278	MockSyncPointPruneRequest mock_sync_point_prune_request;
7c673cae	279
9f95a23c TL	280	expect_get_snap_seqs(mock_sync_point_handler);
	281	expect_get_sync_points(mock_sync_point_handler);
	282
7c673cae	283	InSequence seq;
31f18b77	284	expect_notify_sync_request(mock_instance_watcher, mock_local_image_ctx.id, 0);
7c673cae	285	expect_create_sync_point(mock_local_image_ctx, mock_sync_point_create_request, 0);
11fdf7f2	286	expect_get_snap_id(mock_remote_image_ctx);
7c673cae	287	expect_copy_image(mock_image_copy_request, 0);
9f95a23c	288	expect_flush_sync_point(mock_sync_point_handler, 0);
7c673cae	289	expect_prune_sync_point(mock_sync_point_prune_request, true, 0);
31f18b77	290	expect_notify_sync_complete(mock_instance_watcher, mock_local_image_ctx.id);
7c673cae FG	291
7c673cae FG	292	C_SaferCond ctx;
9f95a23c TL	293	MockImageSync *request = create_request(mock_threads, mock_remote_image_ctx,
	294	mock_local_image_ctx,
	295	mock_sync_point_handler,
31f18b77	296	mock_instance_watcher, &ctx);
7c673cae FG	297	request->send();
	298	ASSERT_EQ(0, ctx.wait());
	299	}
	300
	301	TEST_F(TestMockImageSync, RestartSync) {
9f95a23c	302	MockThreads mock_threads(m_threads);
7c673cae FG	303	librbd::MockTestImageCtx mock_remote_image_ctx(*m_remote_image_ctx);
7c673cae FG	304	librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
9f95a23c	305	MockSyncPointHandler mock_sync_point_handler;
31f18b77	306	MockInstanceWatcher mock_instance_watcher;
7c673cae	307	MockImageCopyRequest mock_image_copy_request;
7c673cae FG	308	MockSyncPointCreateRequest mock_sync_point_create_request;
	309	MockSyncPointPruneRequest mock_sync_point_prune_request;
	310
9f95a23c TL	311	m_sync_points = {{cls::rbd::UserSnapshotNamespace(), "snap1", "", boost::none},
9f95a23c TL	312	{cls::rbd::UserSnapshotNamespace(), "snap2", "snap1", boost::none}};
7c673cae FG	313	mock_local_image_ctx.snap_ids[{cls::rbd::UserSnapshotNamespace(), "snap1"}] = 123;
	314	mock_local_image_ctx.snap_ids[{cls::rbd::UserSnapshotNamespace(), "snap2"}] = 234;
	315
7c673cae	316	expect_test_features(mock_local_image_ctx);
9f95a23c TL	317	expect_get_snap_seqs(mock_sync_point_handler);
9f95a23c TL	318	expect_get_sync_points(mock_sync_point_handler);
7c673cae FG	319
7c673cae FG	320	InSequence seq;
31f18b77	321	expect_notify_sync_request(mock_instance_watcher, mock_local_image_ctx.id, 0);
7c673cae	322	expect_prune_sync_point(mock_sync_point_prune_request, false, 0);
11fdf7f2	323	expect_get_snap_id(mock_remote_image_ctx);
7c673cae	324	expect_copy_image(mock_image_copy_request, 0);
9f95a23c	325	expect_flush_sync_point(mock_sync_point_handler, 0);
7c673cae	326	expect_prune_sync_point(mock_sync_point_prune_request, true, 0);
31f18b77	327	expect_notify_sync_complete(mock_instance_watcher, mock_local_image_ctx.id);
7c673cae FG	328
7c673cae FG	329	C_SaferCond ctx;
9f95a23c TL	330	MockImageSync *request = create_request(mock_threads, mock_remote_image_ctx,
	331	mock_local_image_ctx,
	332	mock_sync_point_handler,
31f18b77	333	mock_instance_watcher, &ctx);
7c673cae FG	334	request->send();
	335	ASSERT_EQ(0, ctx.wait());
	336	}
	337
31f18b77	338	TEST_F(TestMockImageSync, CancelNotifySyncRequest) {
9f95a23c	339	MockThreads mock_threads(m_threads);
31f18b77 FG	340	librbd::MockTestImageCtx mock_remote_image_ctx(*m_remote_image_ctx);
31f18b77 FG	341	librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
9f95a23c	342	MockSyncPointHandler mock_sync_point_handler;
31f18b77 FG	343	MockInstanceWatcher mock_instance_watcher;
31f18b77 FG	344
9f95a23c TL	345	expect_get_snap_seqs(mock_sync_point_handler);
	346	expect_get_sync_points(mock_sync_point_handler);
	347
31f18b77 FG	348	InSequence seq;
	349	Context *on_sync_start = nullptr;
	350	C_SaferCond notify_sync_ctx;
	351	EXPECT_CALL(mock_instance_watcher,
	352	notify_sync_request(mock_local_image_ctx.id, _))
11fdf7f2	353	.WillOnce(Invoke([&on_sync_start, &notify_sync_ctx](
31f18b77 FG	354	const std::string &, Context *ctx) {
	355	on_sync_start = ctx;
	356	notify_sync_ctx.complete(0);
	357	}));
	358	EXPECT_CALL(mock_instance_watcher,
	359	cancel_sync_request(mock_local_image_ctx.id))
11fdf7f2	360	.WillOnce(Invoke([&on_sync_start](const std::string &) {
31f18b77 FG	361	EXPECT_NE(nullptr, on_sync_start);
	362	on_sync_start->complete(-ECANCELED);
	363	return true;
	364	}));
	365
	366	C_SaferCond ctx;
9f95a23c TL	367	MockImageSync *request = create_request(mock_threads, mock_remote_image_ctx,
	368	mock_local_image_ctx,
	369	mock_sync_point_handler,
31f18b77 FG	370	mock_instance_watcher, &ctx);
	371	request->get();
	372	request->send();
	373
	374	// cancel the notify sync request once it starts
	375	ASSERT_EQ(0, notify_sync_ctx.wait());
	376	request->cancel();
	377	request->put();
	378
	379	ASSERT_EQ(-ECANCELED, ctx.wait());
	380	}
	381
7c673cae	382	TEST_F(TestMockImageSync, CancelImageCopy) {
9f95a23c	383	MockThreads mock_threads(m_threads);
7c673cae FG	384	librbd::MockTestImageCtx mock_remote_image_ctx(*m_remote_image_ctx);
7c673cae FG	385	librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
9f95a23c	386	MockSyncPointHandler mock_sync_point_handler;
31f18b77	387	MockInstanceWatcher mock_instance_watcher;
7c673cae	388	MockImageCopyRequest mock_image_copy_request;
7c673cae FG	389	MockSyncPointCreateRequest mock_sync_point_create_request;
	390	MockSyncPointPruneRequest mock_sync_point_prune_request;
	391
9f95a23c TL	392	m_sync_points = {{cls::rbd::UserSnapshotNamespace(), "snap1", "", boost::none}};
	393	expect_get_snap_seqs(mock_sync_point_handler);
	394	expect_get_sync_points(mock_sync_point_handler);
7c673cae FG	395
7c673cae FG	396	InSequence seq;
31f18b77	397	expect_notify_sync_request(mock_instance_watcher, mock_local_image_ctx.id, 0);
7c673cae	398	expect_prune_sync_point(mock_sync_point_prune_request, false, 0);
11fdf7f2	399	expect_get_snap_id(mock_remote_image_ctx);
7c673cae FG	400
	401	C_SaferCond image_copy_ctx;
	402	EXPECT_CALL(mock_image_copy_request, send())
	403	.WillOnce(Invoke([&image_copy_ctx]() {
	404	image_copy_ctx.complete(0);
	405	}));
31f18b77 FG	406	expect_cancel_sync_request(mock_instance_watcher, mock_local_image_ctx.id,
31f18b77 FG	407	false);
7c673cae	408	EXPECT_CALL(mock_image_copy_request, cancel());
31f18b77	409	expect_notify_sync_complete(mock_instance_watcher, mock_local_image_ctx.id);
7c673cae FG	410
7c673cae FG	411	C_SaferCond ctx;
9f95a23c TL	412	MockImageSync *request = create_request(mock_threads, mock_remote_image_ctx,
	413	mock_local_image_ctx,
	414	mock_sync_point_handler,
31f18b77	415	mock_instance_watcher, &ctx);
7c673cae FG	416	request->get();
	417	request->send();
	418
	419	// cancel the image copy once it starts
	420	ASSERT_EQ(0, image_copy_ctx.wait());
	421	request->cancel();
	422	request->put();
	423	m_threads->work_queue->queue(mock_image_copy_request.on_finish, 0);
	424
	425	ASSERT_EQ(-ECANCELED, ctx.wait());
	426	}
	427
7c673cae	428	TEST_F(TestMockImageSync, CancelAfterCopyImage) {
9f95a23c	429	MockThreads mock_threads(m_threads);
7c673cae FG	430	librbd::MockTestImageCtx mock_remote_image_ctx(*m_remote_image_ctx);
7c673cae FG	431	librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
9f95a23c	432	MockSyncPointHandler mock_sync_point_handler;
31f18b77	433	MockInstanceWatcher mock_instance_watcher;
7c673cae	434	MockImageCopyRequest mock_image_copy_request;
7c673cae FG	435	MockSyncPointCreateRequest mock_sync_point_create_request;
	436	MockSyncPointPruneRequest mock_sync_point_prune_request;
	437
7c673cae	438	C_SaferCond ctx;
9f95a23c TL	439	MockImageSync *request = create_request(mock_threads, mock_remote_image_ctx,
	440	mock_local_image_ctx,
	441	mock_sync_point_handler,
31f18b77	442	mock_instance_watcher, &ctx);
9f95a23c TL	443
	444	expect_get_snap_seqs(mock_sync_point_handler);
	445	expect_get_sync_points(mock_sync_point_handler);
	446
7c673cae	447	InSequence seq;
31f18b77	448	expect_notify_sync_request(mock_instance_watcher, mock_local_image_ctx.id, 0);
7c673cae	449	expect_create_sync_point(mock_local_image_ctx, mock_sync_point_create_request, 0);
11fdf7f2	450	expect_get_snap_id(mock_remote_image_ctx);
7c673cae FG	451	EXPECT_CALL(mock_image_copy_request, send())
	452	.WillOnce((DoAll(InvokeWithoutArgs([request]() {
	453	request->cancel();
	454	}),
	455	Invoke([this, &mock_image_copy_request]() {
	456	m_threads->work_queue->queue(mock_image_copy_request.on_finish, 0);
	457	}))));
31f18b77 FG	458	expect_cancel_sync_request(mock_instance_watcher, mock_local_image_ctx.id,
31f18b77 FG	459	false);
7c673cae	460	EXPECT_CALL(mock_image_copy_request, cancel());
31f18b77	461	expect_notify_sync_complete(mock_instance_watcher, mock_local_image_ctx.id);
7c673cae FG	462
	463	request->send();
	464	ASSERT_EQ(-ECANCELED, ctx.wait());
	465	}
	466
	467	} // namespace mirror
	468	} // namespace rbd