diff options
Diffstat (limited to 'src/test/librbd/cache/pwl/test_mock_ReplicatedWriteLog.cc')
| -rw-r--r-- | src/test/librbd/cache/pwl/test_mock_ReplicatedWriteLog.cc | 743 |
1 files changed, 743 insertions, 0 deletions
diff --git a/src/test/librbd/cache/pwl/test_mock_ReplicatedWriteLog.cc b/src/test/librbd/cache/pwl/test_mock_ReplicatedWriteLog.cc new file mode 100644 index 000000000..a37f58038 --- /dev/null +++ b/src/test/librbd/cache/pwl/test_mock_ReplicatedWriteLog.cc @@ -0,0 +1,743 @@ +// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- +// vim: ts=8 sw=2 smarttab + +#include <iostream> +#include "common/hostname.h" +#include "test/librbd/test_mock_fixture.h" +#include "test/librbd/test_support.h" +#include "test/librbd/mock/MockImageCtx.h" +#include "include/rbd/librbd.hpp" +#include "librbd/cache/pwl/ImageCacheState.h" +#include "librbd/cache/pwl/Types.h" +#include "librbd/cache/ImageWriteback.h" +#include "librbd/plugin/Api.h" + +namespace librbd { +namespace { + +struct MockContextRWL : public C_SaferCond { + MOCK_METHOD1(complete, void(int)); + MOCK_METHOD1(finish, void(int)); + + void do_complete(int r) { + C_SaferCond::complete(r); + } +}; + +} // anonymous namespace + +namespace util { + +inline ImageCtx *get_image_ctx(MockImageCtx *image_ctx) { + return image_ctx->image_ctx; +} + +} // namespace util +} // namespace librbd + +#include "librbd/cache/pwl/AbstractWriteLog.cc" +#include "librbd/cache/pwl/rwl/WriteLog.cc" +template class librbd::cache::pwl::rwl::WriteLog<librbd::MockImageCtx>; + +// template definitions +#include "librbd/cache/ImageWriteback.cc" +#include "librbd/cache/pwl/ImageCacheState.cc" +#include "librbd/cache/pwl/Request.cc" +#include "librbd/cache/pwl/rwl/Request.cc" +#include "librbd/plugin/Api.cc" + +namespace librbd { +namespace cache { +namespace pwl { + +using ::testing::_; +using ::testing::DoDefault; +using ::testing::InSequence; +using ::testing::Invoke; + +typedef io::Extent Extent; +typedef io::Extents Extents; + +struct TestMockCacheReplicatedWriteLog : public TestMockFixture { + typedef librbd::cache::pwl::rwl::WriteLog<librbd::MockImageCtx> MockReplicatedWriteLog; + typedef librbd::cache::pwl::ImageCacheState<librbd::MockImageCtx> MockImageCacheStateRWL; + typedef librbd::cache::ImageWriteback<librbd::MockImageCtx> MockImageWriteback; + typedef librbd::plugin::Api<librbd::MockImageCtx> MockApi; + + MockImageCacheStateRWL *get_cache_state( + MockImageCtx& mock_image_ctx, MockApi& mock_api) { + MockImageCacheStateRWL *rwl_state = new MockImageCacheStateRWL(&mock_image_ctx, mock_api); + return rwl_state; + } + + void validate_cache_state(librbd::ImageCtx *image_ctx, + MockImageCacheStateRWL &state, + bool present, bool empty, bool clean, + string host, string path, + uint64_t size) { + ASSERT_EQ(present, state.present); + ASSERT_EQ(empty, state.empty); + ASSERT_EQ(clean, state.clean); + + ASSERT_EQ(host, state.host); + ASSERT_EQ(path, state.path); + ASSERT_EQ(size, state.size); + } + + void expect_context_complete(MockContextRWL& mock_context, int r) { + EXPECT_CALL(mock_context, complete(r)) + .WillRepeatedly(Invoke([&mock_context](int r) { + mock_context.do_complete(r); + })); + } + + void expect_metadata_set(MockImageCtx& mock_image_ctx) { + EXPECT_CALL(*mock_image_ctx.operations, execute_metadata_set(_, _, _)) + .WillRepeatedly(Invoke([](std::string key, std::string val, Context* ctx) { + ctx->complete(0); + })); + } + + void expect_metadata_remove(MockImageCtx& mock_image_ctx) { + EXPECT_CALL(*mock_image_ctx.operations, execute_metadata_remove(_, _)) + .WillRepeatedly(Invoke([](std::string key, Context* ctx) { + ctx->complete(0); + })); + } +}; + +TEST_F(TestMockCacheReplicatedWriteLog, init_state_write) { + librbd::ImageCtx *ictx; + ASSERT_EQ(0, open_image(m_image_name, &ictx)); + + MockImageCtx mock_image_ctx(*ictx); + MockApi mock_api; + MockImageCacheStateRWL image_cache_state(&mock_image_ctx, mock_api); + + validate_cache_state(ictx, image_cache_state, false, true, true, "", "", 0); + + image_cache_state.empty = false; + image_cache_state.clean = false; + ceph::mutex lock = ceph::make_mutex("MockImageCacheStateRWL lock"); + MockContextRWL finish_ctx; + expect_metadata_set(mock_image_ctx); + expect_context_complete(finish_ctx, 0); + std::unique_lock locker(lock); + image_cache_state.write_image_cache_state(locker, &finish_ctx); + ASSERT_FALSE(locker.owns_lock()); + ASSERT_EQ(0, finish_ctx.wait()); +} + +TEST_F(TestMockCacheReplicatedWriteLog, init_state_json_write) { + librbd::ImageCtx *ictx; + ASSERT_EQ(0, open_image(m_image_name, &ictx)); + + MockImageCtx mock_image_ctx(*ictx); + MockApi mock_api; + MockImageCacheStateRWL image_cache_state(&mock_image_ctx, mock_api); + + string strf = "{ \"present\": true, \"empty\": false, \"clean\": false, \ + \"host\": \"testhost\", \ + \"path\": \"/tmp\", \ + \"mode\": \"rwl\", \ + \"size\": 1024 }"; + json_spirit::mValue json_root; + ASSERT_TRUE(json_spirit::read(strf.c_str(), json_root)); + ASSERT_TRUE(image_cache_state.init_from_metadata(json_root)); + validate_cache_state(ictx, image_cache_state, true, false, false, + "testhost", "/tmp", 1024); + + MockContextRWL finish_ctx; + expect_metadata_remove(mock_image_ctx); + expect_context_complete(finish_ctx, 0); + image_cache_state.clear_image_cache_state(&finish_ctx); + ASSERT_EQ(0, finish_ctx.wait()); +} + +TEST_F(TestMockCacheReplicatedWriteLog, init_shutdown) { + librbd::ImageCtx *ictx; + ASSERT_EQ(0, open_image(m_image_name, &ictx)); + + MockImageCtx mock_image_ctx(*ictx); + MockImageWriteback mock_image_writeback(mock_image_ctx); + MockApi mock_api; + MockReplicatedWriteLog rwl( + mock_image_ctx, get_cache_state(mock_image_ctx, mock_api), + mock_image_writeback, mock_api); + MockContextRWL finish_ctx1; + expect_op_work_queue(mock_image_ctx); + expect_metadata_set(mock_image_ctx); + + expect_context_complete(finish_ctx1, 0); + rwl.init(&finish_ctx1); + ASSERT_EQ(0, finish_ctx1.wait()); + + MockContextRWL finish_ctx2; + expect_context_complete(finish_ctx2, 0); + rwl.shut_down(&finish_ctx2); + ASSERT_EQ(0, finish_ctx2.wait()); +} + +TEST_F(TestMockCacheReplicatedWriteLog, write) { + librbd::ImageCtx *ictx; + ASSERT_EQ(0, open_image(m_image_name, &ictx)); + + MockImageCtx mock_image_ctx(*ictx); + MockImageWriteback mock_image_writeback(mock_image_ctx); + MockApi mock_api; + MockReplicatedWriteLog rwl( + mock_image_ctx, get_cache_state(mock_image_ctx, mock_api), + mock_image_writeback, mock_api); + + MockContextRWL finish_ctx1; + expect_op_work_queue(mock_image_ctx); + expect_metadata_set(mock_image_ctx); + expect_context_complete(finish_ctx1, 0); + rwl.init(&finish_ctx1); + ASSERT_EQ(0, finish_ctx1.wait()); + + MockContextRWL finish_ctx2; + expect_context_complete(finish_ctx2, 0); + Extents image_extents{{0, 4096}}; + bufferlist bl; + bl.append(std::string(4096, '1')); + int fadvise_flags = 0; + rwl.write(std::move(image_extents), std::move(bl), fadvise_flags, &finish_ctx2); + ASSERT_EQ(0, finish_ctx2.wait()); + + MockContextRWL finish_ctx3; + expect_context_complete(finish_ctx3, 0); + rwl.shut_down(&finish_ctx3); + ASSERT_EQ(0, finish_ctx3.wait()); +} + +TEST_F(TestMockCacheReplicatedWriteLog, flush) { + librbd::ImageCtx *ictx; + ASSERT_EQ(0, open_image(m_image_name, &ictx)); + + MockImageCtx mock_image_ctx(*ictx); + MockImageWriteback mock_image_writeback(mock_image_ctx); + MockApi mock_api; + MockReplicatedWriteLog rwl( + mock_image_ctx, get_cache_state(mock_image_ctx, mock_api), + mock_image_writeback, mock_api); + + expect_op_work_queue(mock_image_ctx); + expect_metadata_set(mock_image_ctx); + + MockContextRWL finish_ctx1; + expect_context_complete(finish_ctx1, 0); + rwl.init(&finish_ctx1); + ASSERT_EQ(0, finish_ctx1.wait()); + + MockContextRWL finish_ctx2; + expect_context_complete(finish_ctx2, 0); + Extents image_extents{{0, 4096}}; + bufferlist bl; + bl.append(std::string(4096, '1')); + bufferlist bl_copy = bl; + int fadvise_flags = 0; + rwl.write(std::move(image_extents), std::move(bl), fadvise_flags, &finish_ctx2); + ASSERT_EQ(0, finish_ctx2.wait()); + + MockContextRWL finish_ctx_flush; + expect_context_complete(finish_ctx_flush, 0); + rwl.flush(&finish_ctx_flush); + ASSERT_EQ(0, finish_ctx_flush.wait()); + + MockContextRWL finish_ctx3; + expect_context_complete(finish_ctx3, 0); + rwl.shut_down(&finish_ctx3); + + ASSERT_EQ(0, finish_ctx3.wait()); +} + +TEST_F(TestMockCacheReplicatedWriteLog, flush_source_shutdown) { + librbd::ImageCtx *ictx; + ASSERT_EQ(0, open_image(m_image_name, &ictx)); + + MockImageCtx mock_image_ctx(*ictx); + MockImageWriteback mock_image_writeback(mock_image_ctx); + MockApi mock_api; + MockReplicatedWriteLog rwl( + mock_image_ctx, get_cache_state(mock_image_ctx, mock_api), + mock_image_writeback, mock_api); + + expect_op_work_queue(mock_image_ctx); + expect_metadata_set(mock_image_ctx); + + MockContextRWL finish_ctx1; + expect_context_complete(finish_ctx1, 0); + rwl.init(&finish_ctx1); + ASSERT_EQ(0, finish_ctx1.wait()); + + MockContextRWL finish_ctx2; + expect_context_complete(finish_ctx2, 0); + Extents image_extents{{0, 4096}}; + bufferlist bl; + bl.append(std::string(4096, '1')); + int fadvise_flags = 0; + rwl.write(std::move(image_extents), std::move(bl), fadvise_flags, &finish_ctx2); + ASSERT_EQ(0, finish_ctx2.wait()); + + MockContextRWL finish_ctx_flush; + expect_context_complete(finish_ctx_flush, 0); + rwl.flush(io::FLUSH_SOURCE_SHUTDOWN, &finish_ctx_flush); + ASSERT_EQ(0, finish_ctx_flush.wait()); + + MockContextRWL finish_ctx3; + expect_context_complete(finish_ctx3, 0); + rwl.shut_down(&finish_ctx3); + ASSERT_EQ(0, finish_ctx3.wait()); +} + +TEST_F(TestMockCacheReplicatedWriteLog, flush_source_internal) { + librbd::ImageCtx *ictx; + ASSERT_EQ(0, open_image(m_image_name, &ictx)); + + MockImageCtx mock_image_ctx(*ictx); + MockImageWriteback mock_image_writeback(mock_image_ctx); + MockApi mock_api; + MockReplicatedWriteLog rwl( + mock_image_ctx, get_cache_state(mock_image_ctx, mock_api), + mock_image_writeback, mock_api); + + expect_op_work_queue(mock_image_ctx); + expect_metadata_set(mock_image_ctx); + + MockContextRWL finish_ctx1; + expect_context_complete(finish_ctx1, 0); + rwl.init(&finish_ctx1); + ASSERT_EQ(0, finish_ctx1.wait()); + + MockContextRWL finish_ctx2; + expect_context_complete(finish_ctx2, 0); + Extents image_extents{{0, 4096}}; + bufferlist bl; + bl.append(std::string(4096, '1')); + int fadvise_flags = 0; + rwl.write(std::move(image_extents), std::move(bl), fadvise_flags, &finish_ctx2); + ASSERT_EQ(0, finish_ctx2.wait()); + + MockContextRWL finish_ctx_flush; + expect_context_complete(finish_ctx_flush, 0); + rwl.flush(io::FLUSH_SOURCE_INTERNAL, &finish_ctx_flush); + ASSERT_EQ(0, finish_ctx_flush.wait()); + + MockContextRWL finish_ctx3; + expect_context_complete(finish_ctx3, 0); + rwl.shut_down(&finish_ctx3); + ASSERT_EQ(0, finish_ctx3.wait()); +} + +TEST_F(TestMockCacheReplicatedWriteLog, flush_source_user) { + librbd::ImageCtx *ictx; + ASSERT_EQ(0, open_image(m_image_name, &ictx)); + + MockImageCtx mock_image_ctx(*ictx); + MockImageWriteback mock_image_writeback(mock_image_ctx); + MockApi mock_api; + MockReplicatedWriteLog rwl( + mock_image_ctx, get_cache_state(mock_image_ctx, mock_api), + mock_image_writeback, mock_api); + expect_op_work_queue(mock_image_ctx); + expect_metadata_set(mock_image_ctx); + + MockContextRWL finish_ctx1; + expect_context_complete(finish_ctx1, 0); + rwl.init(&finish_ctx1); + ASSERT_EQ(0, finish_ctx1.wait()); + + MockContextRWL finish_ctx2; + expect_context_complete(finish_ctx2, 0); + Extents image_extents{{0, 4096}}; + bufferlist bl; + bl.append(std::string(4096, '1')); + int fadvise_flags = 0; + rwl.write(std::move(image_extents), std::move(bl), fadvise_flags, &finish_ctx2); + ASSERT_EQ(0, finish_ctx2.wait()); + + usleep(10000); + MockContextRWL finish_ctx_flush; + expect_context_complete(finish_ctx_flush, 0); + rwl.flush(io::FLUSH_SOURCE_USER, &finish_ctx_flush); + ASSERT_EQ(0, finish_ctx_flush.wait()); + + MockContextRWL finish_ctx3; + expect_context_complete(finish_ctx3, 0); + rwl.shut_down(&finish_ctx3); + ASSERT_EQ(0, finish_ctx3.wait()); +} + +TEST_F(TestMockCacheReplicatedWriteLog, read_hit_rwl_cache) { + librbd::ImageCtx *ictx; + ASSERT_EQ(0, open_image(m_image_name, &ictx)); + + MockImageCtx mock_image_ctx(*ictx); + MockImageWriteback mock_image_writeback(mock_image_ctx); + MockApi mock_api; + MockReplicatedWriteLog rwl( + mock_image_ctx, get_cache_state(mock_image_ctx, mock_api), + mock_image_writeback, mock_api); + expect_op_work_queue(mock_image_ctx); + expect_metadata_set(mock_image_ctx); + + MockContextRWL finish_ctx1; + expect_context_complete(finish_ctx1, 0); + rwl.init(&finish_ctx1); + ASSERT_EQ(0, finish_ctx1.wait()); + + MockContextRWL finish_ctx2; + expect_context_complete(finish_ctx2, 0); + Extents image_extents{{0, 4096}}; + bufferlist bl; + bl.append(std::string(4096, '1')); + bufferlist bl_copy = bl; + int fadvise_flags = 0; + rwl.write(std::move(image_extents), std::move(bl), fadvise_flags, &finish_ctx2); + ASSERT_EQ(0, finish_ctx2.wait()); + + MockContextRWL finish_ctx_read; + expect_context_complete(finish_ctx_read, 0); + Extents image_extents_read{{0, 4096}}; + bufferlist read_bl; + rwl.read(std::move(image_extents_read), &read_bl, fadvise_flags, &finish_ctx_read); + ASSERT_EQ(0, finish_ctx_read.wait()); + ASSERT_EQ(4096, read_bl.length()); + ASSERT_TRUE(bl_copy.contents_equal(read_bl)); + + MockContextRWL finish_ctx3; + expect_context_complete(finish_ctx3, 0); + rwl.shut_down(&finish_ctx3); + ASSERT_EQ(0, finish_ctx3.wait()); +} + +TEST_F(TestMockCacheReplicatedWriteLog, read_hit_part_rwl_cache) { + librbd::ImageCtx *ictx; + ASSERT_EQ(0, open_image(m_image_name, &ictx)); + + MockImageCtx mock_image_ctx(*ictx); + MockImageWriteback mock_image_writeback(mock_image_ctx); + MockApi mock_api; + MockReplicatedWriteLog rwl( + mock_image_ctx, get_cache_state(mock_image_ctx, mock_api), + mock_image_writeback, mock_api); + expect_op_work_queue(mock_image_ctx); + expect_metadata_set(mock_image_ctx); + + MockContextRWL finish_ctx1; + expect_context_complete(finish_ctx1, 0); + rwl.init(&finish_ctx1); + ASSERT_EQ(0, finish_ctx1.wait()); + + MockContextRWL finish_ctx2; + expect_context_complete(finish_ctx2, 0); + Extents image_extents{{0, 4096}}; + bufferlist bl; + bl.append(std::string(4096, '1')); + bufferlist bl_copy = bl; + int fadvise_flags = 0; + rwl.write(std::move(image_extents), std::move(bl), fadvise_flags, &finish_ctx2); + ASSERT_EQ(0, finish_ctx2.wait()); + + MockContextRWL finish_ctx_read; + Extents image_extents_read{{512, 4096}}; + bufferlist hit_bl; + bl_copy.begin(511).copy(4096-512, hit_bl); + expect_context_complete(finish_ctx_read, 512); + bufferlist read_bl; + rwl.read(std::move(image_extents_read), &read_bl, fadvise_flags, &finish_ctx_read); + ASSERT_EQ(512, finish_ctx_read.wait()); + ASSERT_EQ(4096, read_bl.length()); + bufferlist read_bl_hit; + read_bl.begin(0).copy(4096-512, read_bl_hit); + ASSERT_TRUE(hit_bl.contents_equal(read_bl_hit)); + + MockContextRWL finish_ctx3; + expect_context_complete(finish_ctx3, 0); + rwl.shut_down(&finish_ctx3); + ASSERT_EQ(0, finish_ctx3.wait()); +} + +TEST_F(TestMockCacheReplicatedWriteLog, read_miss_rwl_cache) { + librbd::ImageCtx *ictx; + ASSERT_EQ(0, open_image(m_image_name, &ictx)); + + MockImageCtx mock_image_ctx(*ictx); + MockImageWriteback mock_image_writeback(mock_image_ctx); + MockApi mock_api; + MockReplicatedWriteLog rwl( + mock_image_ctx, get_cache_state(mock_image_ctx, mock_api), + mock_image_writeback, mock_api); + expect_op_work_queue(mock_image_ctx); + expect_metadata_set(mock_image_ctx); + + MockContextRWL finish_ctx1; + expect_context_complete(finish_ctx1, 0); + rwl.init(&finish_ctx1); + ASSERT_EQ(0, finish_ctx1.wait()); + + MockContextRWL finish_ctx2; + expect_context_complete(finish_ctx2, 0); + Extents image_extents{{0, 4096}}; + bufferlist bl; + bl.append(std::string(4096, '1')); + int fadvise_flags = 0; + rwl.write(std::move(image_extents), std::move(bl), fadvise_flags, &finish_ctx2); + ASSERT_EQ(0, finish_ctx2.wait()); + + MockContextRWL finish_ctx_read; + Extents image_extents_read{{4096, 4096}}; + expect_context_complete(finish_ctx_read, 4096); + bufferlist read_bl; + ASSERT_EQ(0, read_bl.length()); + rwl.read(std::move(image_extents_read), &read_bl, fadvise_flags, &finish_ctx_read); + ASSERT_EQ(4096, finish_ctx_read.wait()); + ASSERT_EQ(4096, read_bl.length()); + + MockContextRWL finish_ctx3; + expect_context_complete(finish_ctx3, 0); + rwl.shut_down(&finish_ctx3); + ASSERT_EQ(0, finish_ctx3.wait()); +} + +TEST_F(TestMockCacheReplicatedWriteLog, discard) { + librbd::ImageCtx *ictx; + ASSERT_EQ(0, open_image(m_image_name, &ictx)); + + MockImageCtx mock_image_ctx(*ictx); + MockImageWriteback mock_image_writeback(mock_image_ctx); + MockApi mock_api; + MockReplicatedWriteLog rwl( + mock_image_ctx, get_cache_state(mock_image_ctx, mock_api), + mock_image_writeback, mock_api); + expect_op_work_queue(mock_image_ctx); + expect_metadata_set(mock_image_ctx); + + MockContextRWL finish_ctx1; + expect_context_complete(finish_ctx1, 0); + rwl.init(&finish_ctx1); + ASSERT_EQ(0, finish_ctx1.wait()); + + MockContextRWL finish_ctx2; + expect_context_complete(finish_ctx2, 0); + Extents image_extents{{0, 4096}}; + bufferlist bl; + bl.append(std::string(4096, '1')); + bufferlist bl_copy = bl; + int fadvise_flags = 0; + rwl.write(std::move(image_extents), std::move(bl), fadvise_flags, &finish_ctx2); + ASSERT_EQ(0, finish_ctx2.wait()); + + MockContextRWL finish_ctx_discard; + expect_context_complete(finish_ctx_discard, 0); + rwl.discard(0, 4096, 1, &finish_ctx_discard); + ASSERT_EQ(0, finish_ctx_discard.wait()); + + MockContextRWL finish_ctx_read; + bufferlist read_bl; + expect_context_complete(finish_ctx_read, 0); + rwl.read({{0, 4096}}, &read_bl, fadvise_flags, &finish_ctx_read); + ASSERT_EQ(0, finish_ctx_read.wait()); + ASSERT_EQ(4096, read_bl.length()); + ASSERT_TRUE(read_bl.is_zero()); + + MockContextRWL finish_ctx3; + expect_context_complete(finish_ctx3, 0); + rwl.shut_down(&finish_ctx3); + + ASSERT_EQ(0, finish_ctx3.wait()); +} + +TEST_F(TestMockCacheReplicatedWriteLog, writesame) { + librbd::ImageCtx *ictx; + ASSERT_EQ(0, open_image(m_image_name, &ictx)); + + MockImageCtx mock_image_ctx(*ictx); + MockImageWriteback mock_image_writeback(mock_image_ctx); + MockApi mock_api; + MockReplicatedWriteLog rwl( + mock_image_ctx, get_cache_state(mock_image_ctx, mock_api), + mock_image_writeback, mock_api); + expect_op_work_queue(mock_image_ctx); + expect_metadata_set(mock_image_ctx); + + MockContextRWL finish_ctx1; + expect_context_complete(finish_ctx1, 0); + rwl.init(&finish_ctx1); + ASSERT_EQ(0, finish_ctx1.wait()); + + MockContextRWL finish_ctx2; + expect_context_complete(finish_ctx2, 0); + bufferlist bl, test_bl; + bl.append(std::string(512, '1')); + test_bl.append(std::string(4096, '1')); + int fadvise_flags = 0; + rwl.writesame(0, 4096, std::move(bl), fadvise_flags, &finish_ctx2); + ASSERT_EQ(0, finish_ctx2.wait()); + + MockContextRWL finish_ctx_read; + bufferlist read_bl; + expect_context_complete(finish_ctx_read, 0); + rwl.read({{0, 4096}}, &read_bl, fadvise_flags, &finish_ctx_read); + ASSERT_EQ(0, finish_ctx_read.wait()); + ASSERT_EQ(4096, read_bl.length()); + ASSERT_TRUE(test_bl.contents_equal(read_bl)); + + MockContextRWL finish_ctx3; + expect_context_complete(finish_ctx3, 0); + rwl.shut_down(&finish_ctx3); + + ASSERT_EQ(0, finish_ctx3.wait()); +} + +TEST_F(TestMockCacheReplicatedWriteLog, invalidate) { + librbd::ImageCtx *ictx; + ASSERT_EQ(0, open_image(m_image_name, &ictx)); + + MockImageCtx mock_image_ctx(*ictx); + MockImageWriteback mock_image_writeback(mock_image_ctx); + MockApi mock_api; + MockReplicatedWriteLog rwl( + mock_image_ctx, get_cache_state(mock_image_ctx, mock_api), + mock_image_writeback, mock_api); + expect_op_work_queue(mock_image_ctx); + expect_metadata_set(mock_image_ctx); + + MockContextRWL finish_ctx1; + expect_context_complete(finish_ctx1, 0); + rwl.init(&finish_ctx1); + ASSERT_EQ(0, finish_ctx1.wait()); + + MockContextRWL finish_ctx2; + expect_context_complete(finish_ctx2, 0); + Extents image_extents{{0, 4096}}; + bufferlist bl; + bl.append(std::string(4096, '1')); + bufferlist bl_copy = bl; + int fadvise_flags = 0; + rwl.write(std::move(image_extents), std::move(bl), fadvise_flags, &finish_ctx2); + ASSERT_EQ(0, finish_ctx2.wait()); + + MockContextRWL finish_ctx_invalidate; + expect_context_complete(finish_ctx_invalidate, 0); + rwl.invalidate(&finish_ctx_invalidate); + ASSERT_EQ(0, finish_ctx_invalidate.wait()); + + MockContextRWL finish_ctx3; + expect_context_complete(finish_ctx3, 0); + rwl.shut_down(&finish_ctx3); + + ASSERT_EQ(0, finish_ctx3.wait()); +} + +TEST_F(TestMockCacheReplicatedWriteLog, compare_and_write_compare_matched) { + librbd::ImageCtx *ictx; + ASSERT_EQ(0, open_image(m_image_name, &ictx)); + + MockImageCtx mock_image_ctx(*ictx); + MockImageWriteback mock_image_writeback(mock_image_ctx); + MockApi mock_api; + MockReplicatedWriteLog rwl( + mock_image_ctx, get_cache_state(mock_image_ctx, mock_api), + mock_image_writeback, mock_api); + expect_op_work_queue(mock_image_ctx); + expect_metadata_set(mock_image_ctx); + + MockContextRWL finish_ctx1; + expect_context_complete(finish_ctx1, 0); + rwl.init(&finish_ctx1); + ASSERT_EQ(0, finish_ctx1.wait()); + + MockContextRWL finish_ctx2; + expect_context_complete(finish_ctx2, 0); + Extents image_extents{{0, 4096}}; + bufferlist bl1; + bl1.append(std::string(4096, '1')); + bufferlist com_bl = bl1; + int fadvise_flags = 0; + rwl.write(std::move(image_extents), std::move(bl1), fadvise_flags, &finish_ctx2); + ASSERT_EQ(0, finish_ctx2.wait()); + + MockContextRWL finish_ctx_cw; + bufferlist bl2; + bl2.append(std::string(4096, '2')); + bufferlist bl2_copy = bl2; + uint64_t mismatch_offset = -1; + expect_context_complete(finish_ctx_cw, 0); + rwl.compare_and_write({{0, 4096}}, std::move(com_bl), std::move(bl2), + &mismatch_offset, fadvise_flags, &finish_ctx_cw); + ASSERT_EQ(0, finish_ctx_cw.wait()); + ASSERT_EQ(0, mismatch_offset); + + MockContextRWL finish_ctx_read; + bufferlist read_bl; + expect_context_complete(finish_ctx_read, 0); + rwl.read({{0, 4096}}, &read_bl, fadvise_flags, &finish_ctx_read); + ASSERT_EQ(0, finish_ctx_read.wait()); + ASSERT_EQ(4096, read_bl.length()); + ASSERT_TRUE(bl2_copy.contents_equal(read_bl)); + + MockContextRWL finish_ctx3; + expect_context_complete(finish_ctx3, 0); + rwl.shut_down(&finish_ctx3); + + ASSERT_EQ(0, finish_ctx3.wait()); +} + +TEST_F(TestMockCacheReplicatedWriteLog, compare_and_write_compare_failed) { + librbd::ImageCtx *ictx; + ASSERT_EQ(0, open_image(m_image_name, &ictx)); + + MockImageCtx mock_image_ctx(*ictx); + MockImageWriteback mock_image_writeback(mock_image_ctx); + MockApi mock_api; + MockReplicatedWriteLog rwl( + mock_image_ctx, get_cache_state(mock_image_ctx, mock_api), + mock_image_writeback, mock_api); + expect_op_work_queue(mock_image_ctx); + expect_metadata_set(mock_image_ctx); + + MockContextRWL finish_ctx1; + expect_context_complete(finish_ctx1, 0); + rwl.init(&finish_ctx1); + ASSERT_EQ(0, finish_ctx1.wait()); + + MockContextRWL finish_ctx2; + expect_context_complete(finish_ctx2, 0); + Extents image_extents{{0, 4096}}; + bufferlist bl1; + bl1.append(std::string(4096, '1')); + bufferlist bl1_copy = bl1; + int fadvise_flags = 0; + rwl.write(std::move(image_extents), std::move(bl1), fadvise_flags, &finish_ctx2); + ASSERT_EQ(0, finish_ctx2.wait()); + + MockContextRWL finish_ctx_cw; + bufferlist bl2; + bl2.append(std::string(4096, '2')); + bufferlist com_bl = bl2; + uint64_t mismatch_offset = -1; + expect_context_complete(finish_ctx_cw, -EILSEQ); + rwl.compare_and_write({{0, 4096}}, std::move(com_bl), std::move(bl2), + &mismatch_offset, fadvise_flags, &finish_ctx_cw); + ASSERT_EQ(-EILSEQ, finish_ctx_cw.wait()); + ASSERT_EQ(0, mismatch_offset); + + MockContextRWL finish_ctx_read; + bufferlist read_bl; + expect_context_complete(finish_ctx_read, 0); + rwl.read({{0, 4096}}, &read_bl, fadvise_flags, &finish_ctx_read); + ASSERT_EQ(0, finish_ctx_read.wait()); + ASSERT_EQ(4096, read_bl.length()); + ASSERT_TRUE(bl1_copy.contents_equal(read_bl)); + + MockContextRWL finish_ctx3; + expect_context_complete(finish_ctx3, 0); + rwl.shut_down(&finish_ctx3); + ASSERT_EQ(0, finish_ctx3.wait()); +} + +} // namespace pwl +} // namespace cache +} // namespace librbd |