+++ /dev/null
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-
-#include "test/librbd/test_mock_fixture.h"
-#include "test/librbd/test_support.h"
-#include "test/librbd/mock/MockImageCtx.h"
-#include "librbd/ExclusiveLock.h"
-#include "librbd/ManagedLock.h"
-#include "librbd/exclusive_lock/PreAcquireRequest.h"
-#include "librbd/exclusive_lock/PostAcquireRequest.h"
-#include "librbd/exclusive_lock/PreReleaseRequest.h"
-#include "gmock/gmock.h"
-#include "gtest/gtest.h"
-#include <list>
-
-namespace librbd {
-
-namespace {
-
-struct MockExclusiveLockImageCtx : public MockImageCtx {
- ContextWQ *op_work_queue;
-
- MockExclusiveLockImageCtx(ImageCtx &image_ctx) : MockImageCtx(image_ctx) {
- op_work_queue = image_ctx.op_work_queue;
- }
-};
-
-} // anonymous namespace
-
-namespace watcher {
-template <>
-struct Traits<MockExclusiveLockImageCtx> {
- typedef librbd::MockImageWatcher Watcher;
-};
-}
-
-template <>
-struct ManagedLock<MockExclusiveLockImageCtx> {
- ManagedLock(librados::IoCtx& ioctx, ContextWQ *work_queue,
- const std::string& oid, librbd::MockImageWatcher *watcher,
- managed_lock::Mode mode, bool blacklist_on_break_lock,
- uint32_t blacklist_expire_seconds)
- : m_lock("ManagedLock::m_lock") {
- }
-
- virtual ~ManagedLock() = default;
-
- mutable Mutex m_lock;
-
- virtual void shutdown_handler(int r, Context *) = 0;
- virtual void pre_acquire_lock_handler(Context *) = 0;
- virtual void post_acquire_lock_handler(int, Context *) = 0;
- virtual void pre_release_lock_handler(bool, Context *) = 0;
- virtual void post_release_lock_handler(bool, int, Context *) = 0;
- virtual void post_reacquire_lock_handler(int, Context *) = 0;
-
- MOCK_CONST_METHOD0(is_lock_owner, bool());
-
- MOCK_METHOD1(shut_down, void(Context*));
- MOCK_METHOD1(acquire_lock, void(Context*));
-
- void set_state_uninitialized() {
- }
-
- MOCK_METHOD0(set_state_initializing, void());
- MOCK_METHOD0(set_state_unlocked, void());
- MOCK_METHOD0(set_state_waiting_for_lock, void());
- MOCK_METHOD0(set_state_post_acquiring, void());
-
- MOCK_CONST_METHOD0(is_state_shutdown, bool());
- MOCK_CONST_METHOD0(is_state_acquiring, bool());
- MOCK_CONST_METHOD0(is_state_post_acquiring, bool());
- MOCK_CONST_METHOD0(is_state_releasing, bool());
- MOCK_CONST_METHOD0(is_state_pre_releasing, bool());
- MOCK_CONST_METHOD0(is_state_locked, bool());
- MOCK_CONST_METHOD0(is_state_waiting_for_lock, bool());
-
- MOCK_CONST_METHOD0(is_action_acquire_lock, bool());
- MOCK_METHOD0(execute_next_action, void());
-
-};
-
-namespace exclusive_lock {
-
-using librbd::ImageWatcher;
-
-template<typename T>
-struct BaseRequest {
- static std::list<T *> s_requests;
- Context *on_lock_unlock = nullptr;
- Context *on_finish = nullptr;
-
- static T* create(MockExclusiveLockImageCtx &image_ctx,
- Context *on_lock_unlock, Context *on_finish) {
- assert(!s_requests.empty());
- T* req = s_requests.front();
- req->on_lock_unlock = on_lock_unlock;
- req->on_finish = on_finish;
- s_requests.pop_front();
- return req;
- }
-
- BaseRequest() {
- s_requests.push_back(reinterpret_cast<T*>(this));
- }
-};
-
-template<typename T>
-std::list<T *> BaseRequest<T>::s_requests;
-
-template <>
-struct PreAcquireRequest<MockExclusiveLockImageCtx> : public BaseRequest<PreAcquireRequest<MockExclusiveLockImageCtx> > {
- static PreAcquireRequest<MockExclusiveLockImageCtx> *create(
- MockExclusiveLockImageCtx &image_ctx, Context *on_finish) {
- return BaseRequest::create(image_ctx, nullptr, on_finish);
- }
- MOCK_METHOD0(send, void());
-};
-
-template <>
-struct PostAcquireRequest<MockExclusiveLockImageCtx> : public BaseRequest<PostAcquireRequest<MockExclusiveLockImageCtx> > {
- MOCK_METHOD0(send, void());
-};
-
-template <>
-struct PreReleaseRequest<MockExclusiveLockImageCtx> : public BaseRequest<PreReleaseRequest<MockExclusiveLockImageCtx> > {
- static PreReleaseRequest<MockExclusiveLockImageCtx> *create(
- MockExclusiveLockImageCtx &image_ctx, bool shutting_down,
- AsyncOpTracker &async_op_tracker, Context *on_finish) {
- return BaseRequest::create(image_ctx, nullptr, on_finish);
- }
- MOCK_METHOD0(send, void());
-};
-
-} // namespace exclusive_lock
-} // namespace librbd
-
-// template definitions
-#include "librbd/ExclusiveLock.cc"
-
-ACTION_P(FinishLockUnlock, request) {
- if (request->on_lock_unlock != nullptr) {
- request->on_lock_unlock->complete(0);
- }
-}
-
-ACTION_P2(CompleteRequest, request, ret) {
- request->on_finish->complete(ret);
-}
-
-namespace librbd {
-
-using ::testing::_;
-using ::testing::DoAll;
-using ::testing::Invoke;
-using ::testing::InSequence;
-using ::testing::Return;
-
-class TestMockExclusiveLock : public TestMockFixture {
-public:
- typedef ManagedLock<MockExclusiveLockImageCtx> MockManagedLock;
- typedef ExclusiveLock<MockExclusiveLockImageCtx> MockExclusiveLock;
- typedef exclusive_lock::PreAcquireRequest<MockExclusiveLockImageCtx> MockPreAcquireRequest;
- typedef exclusive_lock::PostAcquireRequest<MockExclusiveLockImageCtx> MockPostAcquireRequest;
- typedef exclusive_lock::PreReleaseRequest<MockExclusiveLockImageCtx> MockPreReleaseRequest;
-
- void expect_set_state_initializing(MockManagedLock &managed_lock) {
- EXPECT_CALL(managed_lock, set_state_initializing());
- }
-
- void expect_set_state_unlocked(MockManagedLock &managed_lock) {
- EXPECT_CALL(managed_lock, set_state_unlocked());
- }
-
- void expect_set_state_waiting_for_lock(MockManagedLock &managed_lock) {
- EXPECT_CALL(managed_lock, set_state_waiting_for_lock());
- }
-
- void expect_is_state_acquiring(MockManagedLock &managed_lock, bool ret_val) {
- EXPECT_CALL(managed_lock, is_state_acquiring())
- .WillOnce(Return(ret_val));
- }
-
- void expect_is_state_waiting_for_lock(MockManagedLock &managed_lock,
- bool ret_val) {
- EXPECT_CALL(managed_lock, is_state_waiting_for_lock())
- .WillOnce(Return(ret_val));
- }
-
- void expect_is_state_pre_releasing(MockManagedLock &managed_lock,
- bool ret_val) {
- EXPECT_CALL(managed_lock, is_state_pre_releasing())
- .WillOnce(Return(ret_val));
- }
-
- void expect_is_state_releasing(MockManagedLock &managed_lock, bool ret_val) {
- EXPECT_CALL(managed_lock, is_state_releasing())
- .WillOnce(Return(ret_val));
- }
-
- void expect_is_state_locked(MockManagedLock &managed_lock, bool ret_val) {
- EXPECT_CALL(managed_lock, is_state_locked())
- .WillOnce(Return(ret_val));
- }
-
- void expect_is_state_shutdown(MockManagedLock &managed_lock, bool ret_val) {
- EXPECT_CALL(managed_lock, is_state_shutdown())
- .WillOnce(Return(ret_val));
- }
-
- void expect_is_action_acquire_lock(MockManagedLock &managed_lock,
- bool ret_val) {
- EXPECT_CALL(managed_lock, is_action_acquire_lock())
- .WillOnce(Return(ret_val));
- }
-
- void expect_set_require_lock(MockExclusiveLockImageCtx &mock_image_ctx,
- io::Direction direction, bool enabled) {
- EXPECT_CALL(*mock_image_ctx.io_work_queue, set_require_lock(direction,
- enabled));
- }
-
- void expect_block_writes(MockExclusiveLockImageCtx &mock_image_ctx) {
- EXPECT_CALL(*mock_image_ctx.io_work_queue, block_writes(_))
- .WillOnce(CompleteContext(0, mock_image_ctx.image_ctx->op_work_queue));
- if (mock_image_ctx.clone_copy_on_read ||
- (mock_image_ctx.features & RBD_FEATURE_JOURNALING) != 0) {
- expect_set_require_lock(mock_image_ctx, io::DIRECTION_BOTH, true);
- } else {
- expect_set_require_lock(mock_image_ctx, io::DIRECTION_WRITE, true);
- }
- }
-
- void expect_unblock_writes(MockExclusiveLockImageCtx &mock_image_ctx) {
- expect_set_require_lock(mock_image_ctx, io::DIRECTION_BOTH, false);
- EXPECT_CALL(*mock_image_ctx.io_work_queue, unblock_writes());
- }
-
- void expect_prepare_lock_complete(MockExclusiveLockImageCtx &mock_image_ctx) {
- EXPECT_CALL(*mock_image_ctx.state, handle_prepare_lock_complete());
- }
-
- void expect_pre_acquire_request(MockPreAcquireRequest &pre_acquire_request,
- int r) {
- EXPECT_CALL(pre_acquire_request, send())
- .WillOnce(CompleteRequest(&pre_acquire_request, r));
- }
-
- void expect_post_acquire_request(MockPostAcquireRequest &post_acquire_request,
- int r) {
- EXPECT_CALL(post_acquire_request, send())
- .WillOnce(CompleteRequest(&post_acquire_request, r));
- }
-
- void expect_pre_release_request(MockPreReleaseRequest &pre_release_request,
- int r) {
- EXPECT_CALL(pre_release_request, send())
- .WillOnce(CompleteRequest(&pre_release_request, r));
- }
-
- void expect_notify_request_lock(MockExclusiveLockImageCtx &mock_image_ctx,
- MockExclusiveLock &mock_exclusive_lock) {
- EXPECT_CALL(*mock_image_ctx.image_watcher, notify_request_lock());
- }
-
- void expect_notify_acquired_lock(MockExclusiveLockImageCtx &mock_image_ctx) {
- EXPECT_CALL(*mock_image_ctx.image_watcher, notify_acquired_lock())
- .Times(1);
- }
-
- void expect_notify_released_lock(MockExclusiveLockImageCtx &mock_image_ctx) {
- EXPECT_CALL(*mock_image_ctx.image_watcher, notify_released_lock())
- .Times(1);
- }
-
- void expect_flush_notifies(MockExclusiveLockImageCtx &mock_image_ctx) {
- EXPECT_CALL(*mock_image_ctx.image_watcher, flush(_))
- .WillOnce(CompleteContext(0, mock_image_ctx.image_ctx->op_work_queue));
- }
-
- void expect_shut_down(MockManagedLock &managed_lock) {
- EXPECT_CALL(managed_lock, shut_down(_))
- .WillOnce(CompleteContext(0, static_cast<ContextWQ*>(nullptr)));
- }
-
- int when_init(MockExclusiveLockImageCtx &mock_image_ctx,
- MockExclusiveLock &exclusive_lock) {
- C_SaferCond ctx;
- {
- RWLock::WLocker owner_locker(mock_image_ctx.owner_lock);
- exclusive_lock.init(mock_image_ctx.features, &ctx);
- }
- return ctx.wait();
- }
-
- int when_pre_acquire_lock_handler(MockManagedLock &managed_lock) {
- C_SaferCond ctx;
- managed_lock.pre_acquire_lock_handler(&ctx);
- return ctx.wait();
- }
-
- int when_post_acquire_lock_handler(MockManagedLock &managed_lock, int r) {
- C_SaferCond ctx;
- managed_lock.post_acquire_lock_handler(r, &ctx);
- return ctx.wait();
- }
-
- int when_pre_release_lock_handler(MockManagedLock &managed_lock,
- bool shutting_down) {
- C_SaferCond ctx;
- managed_lock.pre_release_lock_handler(shutting_down, &ctx);
- return ctx.wait();
- }
-
- int when_post_release_lock_handler(MockManagedLock &managed_lock,
- bool shutting_down, int r) {
- C_SaferCond ctx;
- managed_lock.post_release_lock_handler(shutting_down, r, &ctx);
- return ctx.wait();
- }
-
- int when_post_reacquire_lock_handler(MockManagedLock &managed_lock, int r) {
- C_SaferCond ctx;
- managed_lock.post_reacquire_lock_handler(r, &ctx);
- return ctx.wait();
- }
-
- int when_shut_down(MockExclusiveLockImageCtx &mock_image_ctx,
- MockExclusiveLock &exclusive_lock) {
- C_SaferCond ctx;
- {
- RWLock::WLocker owner_locker(mock_image_ctx.owner_lock);
- exclusive_lock.shut_down(&ctx);
- }
- return ctx.wait();
- }
-
- bool is_lock_owner(MockExclusiveLockImageCtx &mock_image_ctx,
- MockExclusiveLock &exclusive_lock) {
- RWLock::RLocker owner_locker(mock_image_ctx.owner_lock);
- return exclusive_lock.is_lock_owner();
- }
-};
-
-TEST_F(TestMockExclusiveLock, StateTransitions) {
- REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK);
-
- librbd::ImageCtx *ictx;
- ASSERT_EQ(0, open_image(m_image_name, &ictx));
-
- MockExclusiveLockImageCtx mock_image_ctx(*ictx);
- MockExclusiveLock exclusive_lock(mock_image_ctx);
- expect_op_work_queue(mock_image_ctx);
-
- InSequence seq;
- expect_set_state_initializing(exclusive_lock);
- expect_block_writes(mock_image_ctx);
- expect_set_state_unlocked(exclusive_lock);
- ASSERT_EQ(0, when_init(mock_image_ctx, exclusive_lock));
-
- // (try) acquire lock
- MockPreAcquireRequest try_lock_pre_acquire;
- expect_pre_acquire_request(try_lock_pre_acquire, 0);
- ASSERT_EQ(0, when_pre_acquire_lock_handler(exclusive_lock));
-
- MockPostAcquireRequest try_lock_post_acquire;
- expect_post_acquire_request(try_lock_post_acquire, 0);
- expect_is_state_acquiring(exclusive_lock, true);
- expect_notify_acquired_lock(mock_image_ctx);
- expect_unblock_writes(mock_image_ctx);
- ASSERT_EQ(0, when_post_acquire_lock_handler(exclusive_lock, 0));
-
- // release lock
- MockPreReleaseRequest pre_request_release;
- expect_pre_release_request(pre_request_release, 0);
- ASSERT_EQ(0, when_pre_release_lock_handler(exclusive_lock, false));
-
- expect_is_state_pre_releasing(exclusive_lock, false);
- expect_is_state_releasing(exclusive_lock, true);
- expect_notify_released_lock(mock_image_ctx);
- ASSERT_EQ(0, when_post_release_lock_handler(exclusive_lock, false, 0));
-
- // (try) acquire lock
- MockPreAcquireRequest request_lock_pre_acquire;
- expect_pre_acquire_request(request_lock_pre_acquire, 0);
- ASSERT_EQ(0, when_pre_acquire_lock_handler(exclusive_lock));
-
- MockPostAcquireRequest request_lock_post_acquire;
- expect_post_acquire_request(request_lock_post_acquire, 0);
- expect_is_state_acquiring(exclusive_lock, true);
- expect_notify_acquired_lock(mock_image_ctx);
- expect_unblock_writes(mock_image_ctx);
- ASSERT_EQ(0, when_post_acquire_lock_handler(exclusive_lock, 0));
-
- // shut down (and release)
- expect_shut_down(exclusive_lock);
- expect_is_state_waiting_for_lock(exclusive_lock, false);
- ASSERT_EQ(0, when_shut_down(mock_image_ctx, exclusive_lock));
-
- MockPreReleaseRequest shutdown_pre_release;
- expect_pre_release_request(shutdown_pre_release, 0);
- ASSERT_EQ(0, when_pre_release_lock_handler(exclusive_lock, true));
-
- expect_unblock_writes(mock_image_ctx);
- expect_notify_released_lock(mock_image_ctx);
- ASSERT_EQ(0, when_post_release_lock_handler(exclusive_lock, true, 0));
-}
-
-TEST_F(TestMockExclusiveLock, TryLockAlreadyLocked) {
- REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK);
-
- librbd::ImageCtx *ictx;
- ASSERT_EQ(0, open_image(m_image_name, &ictx));
-
- MockExclusiveLockImageCtx mock_image_ctx(*ictx);
- MockExclusiveLock exclusive_lock(mock_image_ctx);
- expect_op_work_queue(mock_image_ctx);
-
- InSequence seq;
- expect_set_state_initializing(exclusive_lock);
- expect_block_writes(mock_image_ctx);
- expect_set_state_unlocked(exclusive_lock);
- ASSERT_EQ(0, when_init(mock_image_ctx, exclusive_lock));
-
- // try acquire lock
- MockPreAcquireRequest try_lock_pre_acquire;
- expect_pre_acquire_request(try_lock_pre_acquire, 0);
- ASSERT_EQ(0, when_pre_acquire_lock_handler(exclusive_lock));
-
- expect_is_state_acquiring(exclusive_lock, true);
- expect_prepare_lock_complete(mock_image_ctx);
- expect_is_action_acquire_lock(exclusive_lock, false);
- ASSERT_EQ(0, when_post_acquire_lock_handler(exclusive_lock, -EAGAIN));
-}
-
-TEST_F(TestMockExclusiveLock, TryLockError) {
- REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK);
-
- librbd::ImageCtx *ictx;
- ASSERT_EQ(0, open_image(m_image_name, &ictx));
-
- MockExclusiveLockImageCtx mock_image_ctx(*ictx);
- MockExclusiveLock exclusive_lock(mock_image_ctx);
- expect_op_work_queue(mock_image_ctx);
-
- InSequence seq;
- expect_set_state_initializing(exclusive_lock);
- expect_block_writes(mock_image_ctx);
- expect_set_state_unlocked(exclusive_lock);
- ASSERT_EQ(0, when_init(mock_image_ctx, exclusive_lock));
-
- // try acquire lock
- MockPreAcquireRequest try_lock_pre_acquire;
- expect_pre_acquire_request(try_lock_pre_acquire, 0);
- ASSERT_EQ(0, when_pre_acquire_lock_handler(exclusive_lock));
-
- expect_is_state_acquiring(exclusive_lock, true);
- expect_prepare_lock_complete(mock_image_ctx);
- expect_is_action_acquire_lock(exclusive_lock, false);
- ASSERT_EQ(-EBUSY, when_post_acquire_lock_handler(exclusive_lock, -EBUSY));
-}
-
-TEST_F(TestMockExclusiveLock, AcquireLockAlreadyLocked) {
- REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK);
-
- librbd::ImageCtx *ictx;
- ASSERT_EQ(0, open_image(m_image_name, &ictx));
-
- MockExclusiveLockImageCtx mock_image_ctx(*ictx);
- MockExclusiveLock exclusive_lock(mock_image_ctx);
- expect_op_work_queue(mock_image_ctx);
-
- InSequence seq;
- expect_set_state_initializing(exclusive_lock);
- expect_block_writes(mock_image_ctx);
- expect_set_state_unlocked(exclusive_lock);
- ASSERT_EQ(0, when_init(mock_image_ctx, exclusive_lock));
-
- // acquire lock
- MockPreAcquireRequest try_lock_pre_acquire;
- expect_pre_acquire_request(try_lock_pre_acquire, 0);
- ASSERT_EQ(0, when_pre_acquire_lock_handler(exclusive_lock));
-
- expect_is_state_acquiring(exclusive_lock, true);
- expect_prepare_lock_complete(mock_image_ctx);
- expect_is_action_acquire_lock(exclusive_lock, true);
- expect_set_state_waiting_for_lock(exclusive_lock);
- expect_notify_request_lock(mock_image_ctx, exclusive_lock);
- ASSERT_EQ(-ECANCELED, when_post_acquire_lock_handler(exclusive_lock,
- -EAGAIN));
-}
-
-TEST_F(TestMockExclusiveLock, AcquireLockBusy) {
- REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK);
-
- librbd::ImageCtx *ictx;
- ASSERT_EQ(0, open_image(m_image_name, &ictx));
-
- MockExclusiveLockImageCtx mock_image_ctx(*ictx);
- MockExclusiveLock exclusive_lock(mock_image_ctx);
- expect_op_work_queue(mock_image_ctx);
-
- InSequence seq;
- expect_set_state_initializing(exclusive_lock);
- expect_block_writes(mock_image_ctx);
- expect_set_state_unlocked(exclusive_lock);
- ASSERT_EQ(0, when_init(mock_image_ctx, exclusive_lock));
-
- // acquire lock
- MockPreAcquireRequest try_lock_pre_acquire;
- expect_pre_acquire_request(try_lock_pre_acquire, 0);
- ASSERT_EQ(0, when_pre_acquire_lock_handler(exclusive_lock));
-
- expect_is_state_acquiring(exclusive_lock, true);
- expect_prepare_lock_complete(mock_image_ctx);
- expect_is_action_acquire_lock(exclusive_lock, true);
- expect_set_state_waiting_for_lock(exclusive_lock);
- expect_notify_request_lock(mock_image_ctx, exclusive_lock);
- ASSERT_EQ(-ECANCELED, when_post_acquire_lock_handler(exclusive_lock,
- -EBUSY));
-}
-
-TEST_F(TestMockExclusiveLock, AcquireLockError) {
- REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK);
-
- librbd::ImageCtx *ictx;
- ASSERT_EQ(0, open_image(m_image_name, &ictx));
-
- MockExclusiveLockImageCtx mock_image_ctx(*ictx);
- MockExclusiveLock exclusive_lock(mock_image_ctx);
- expect_op_work_queue(mock_image_ctx);
-
- InSequence seq;
- expect_set_state_initializing(exclusive_lock);
- expect_block_writes(mock_image_ctx);
- expect_set_state_unlocked(exclusive_lock);
- ASSERT_EQ(0, when_init(mock_image_ctx, exclusive_lock));
-
- // acquire lock
- MockPreAcquireRequest try_lock_pre_acquire;
- expect_pre_acquire_request(try_lock_pre_acquire, 0);
- ASSERT_EQ(0, when_pre_acquire_lock_handler(exclusive_lock));
-
- expect_is_state_acquiring(exclusive_lock, true);
- expect_prepare_lock_complete(mock_image_ctx);
- expect_is_action_acquire_lock(exclusive_lock, true);
- ASSERT_EQ(-EBLACKLISTED, when_post_acquire_lock_handler(exclusive_lock,
- -EBLACKLISTED));
-}
-
-TEST_F(TestMockExclusiveLock, PostAcquireLockError) {
- REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK);
-
- librbd::ImageCtx *ictx;
- ASSERT_EQ(0, open_image(m_image_name, &ictx));
-
- MockExclusiveLockImageCtx mock_image_ctx(*ictx);
- MockExclusiveLock exclusive_lock(mock_image_ctx);
- expect_op_work_queue(mock_image_ctx);
-
- InSequence seq;
- expect_set_state_initializing(exclusive_lock);
- expect_block_writes(mock_image_ctx);
- expect_set_state_unlocked(exclusive_lock);
- ASSERT_EQ(0, when_init(mock_image_ctx, exclusive_lock));
-
- // (try) acquire lock
- MockPreAcquireRequest request_lock_pre_acquire;
- expect_pre_acquire_request(request_lock_pre_acquire, 0);
- ASSERT_EQ(0, when_pre_acquire_lock_handler(exclusive_lock));
-
- MockPostAcquireRequest request_lock_post_acquire;
- expect_post_acquire_request(request_lock_post_acquire, -EPERM);
- expect_is_state_acquiring(exclusive_lock, true);
- ASSERT_EQ(-EPERM, when_post_acquire_lock_handler(exclusive_lock, 0));
-}
-
-TEST_F(TestMockExclusiveLock, PreReleaseLockError) {
- REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK);
-
- librbd::ImageCtx *ictx;
- ASSERT_EQ(0, open_image(m_image_name, &ictx));
-
- MockExclusiveLockImageCtx mock_image_ctx(*ictx);
- MockExclusiveLock exclusive_lock(mock_image_ctx);
- expect_op_work_queue(mock_image_ctx);
-
- InSequence seq;
- expect_set_state_initializing(exclusive_lock);
- expect_block_writes(mock_image_ctx);
- expect_set_state_unlocked(exclusive_lock);
- ASSERT_EQ(0, when_init(mock_image_ctx, exclusive_lock));
-
- // release lock
- MockPreReleaseRequest pre_request_release;
- expect_pre_release_request(pre_request_release, -EINVAL);
- ASSERT_EQ(-EINVAL, when_pre_release_lock_handler(exclusive_lock, false));
-
- expect_is_state_pre_releasing(exclusive_lock, true);
- ASSERT_EQ(-EINVAL, when_post_release_lock_handler(exclusive_lock, false,
- -EINVAL));
-}
-
-TEST_F(TestMockExclusiveLock, ReacquireLock) {
- REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK);
-
- librbd::ImageCtx *ictx;
- ASSERT_EQ(0, open_image(m_image_name, &ictx));
-
- MockExclusiveLockImageCtx mock_image_ctx(*ictx);
- MockExclusiveLock exclusive_lock(mock_image_ctx);
- expect_op_work_queue(mock_image_ctx);
-
- InSequence seq;
- expect_set_state_initializing(exclusive_lock);
- expect_block_writes(mock_image_ctx);
- expect_set_state_unlocked(exclusive_lock);
- ASSERT_EQ(0, when_init(mock_image_ctx, exclusive_lock));
-
- // (try) acquire lock
- MockPreAcquireRequest try_lock_pre_acquire;
- expect_pre_acquire_request(try_lock_pre_acquire, 0);
- ASSERT_EQ(0, when_pre_acquire_lock_handler(exclusive_lock));
-
- MockPostAcquireRequest try_lock_post_acquire;
- expect_post_acquire_request(try_lock_post_acquire, 0);
- expect_is_state_acquiring(exclusive_lock, true);
- expect_notify_acquired_lock(mock_image_ctx);
- expect_unblock_writes(mock_image_ctx);
- ASSERT_EQ(0, when_post_acquire_lock_handler(exclusive_lock, 0));
-
- // reacquire lock
- expect_notify_acquired_lock(mock_image_ctx);
- ASSERT_EQ(0, when_post_reacquire_lock_handler(exclusive_lock, 0));
-
- // shut down (and release)
- expect_shut_down(exclusive_lock);
- expect_is_state_waiting_for_lock(exclusive_lock, false);
- ASSERT_EQ(0, when_shut_down(mock_image_ctx, exclusive_lock));
-
- MockPreReleaseRequest shutdown_pre_release;
- expect_pre_release_request(shutdown_pre_release, 0);
- ASSERT_EQ(0, when_pre_release_lock_handler(exclusive_lock, true));
-
- expect_unblock_writes(mock_image_ctx);
- expect_notify_released_lock(mock_image_ctx);
- ASSERT_EQ(0, when_post_release_lock_handler(exclusive_lock, true, 0));
-}
-
-TEST_F(TestMockExclusiveLock, BlockRequests) {
- REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK);
-
- librbd::ImageCtx *ictx;
- ASSERT_EQ(0, open_image(m_image_name, &ictx));
-
- MockExclusiveLockImageCtx mock_image_ctx(*ictx);
- MockExclusiveLock exclusive_lock(mock_image_ctx);
-
- expect_op_work_queue(mock_image_ctx);
-
- InSequence seq;
- expect_set_state_initializing(exclusive_lock);
- expect_block_writes(mock_image_ctx);
- expect_set_state_unlocked(exclusive_lock);
- ASSERT_EQ(0, when_init(mock_image_ctx, exclusive_lock));
-
- int ret_val;
- expect_is_state_shutdown(exclusive_lock, false);
- expect_is_state_locked(exclusive_lock, true);
- ASSERT_TRUE(exclusive_lock.accept_requests(&ret_val));
- ASSERT_EQ(0, ret_val);
-
- exclusive_lock.block_requests(-EROFS);
- expect_is_state_shutdown(exclusive_lock, false);
- expect_is_state_locked(exclusive_lock, true);
- ASSERT_FALSE(exclusive_lock.accept_requests(&ret_val));
- ASSERT_EQ(-EROFS, ret_val);
-
- exclusive_lock.unblock_requests();
- expect_is_state_shutdown(exclusive_lock, false);
- expect_is_state_locked(exclusive_lock, true);
- ASSERT_TRUE(exclusive_lock.accept_requests(&ret_val));
- ASSERT_EQ(0, ret_val);
-}
-
-} // namespace librbd
-
Code Review / stor4nfv.git / blobdiff