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author | Jack Mulrow <jack.mulrow@mongodb.com> | 2018-05-31 13:09:03 -0400 |
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committer | Jack Mulrow <jack.mulrow@mongodb.com> | 2018-06-28 18:30:25 -0400 |
commit | 5717d753184825dfa4018790cb1d8babf21ab0dc (patch) | |
tree | 33d3c7572f67e301bc28a287d202d4b112ff1aa7 /src/mongo/db/service_liaison_mock.h | |
parent | a06951d124b5ac1c5d2caa3867279372b55311a6 (diff) | |
download | mongo-5717d753184825dfa4018790cb1d8babf21ab0dc.tar.gz |
SERVER-35188 Rename ServiceLiason* types to ServiceLiaison*
(cherry picked from commit 359a685c7139f7767875519f185517306a1e37e8)
Diffstat (limited to 'src/mongo/db/service_liaison_mock.h')
-rw-r--r-- | src/mongo/db/service_liaison_mock.h | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/src/mongo/db/service_liaison_mock.h b/src/mongo/db/service_liaison_mock.h new file mode 100644 index 00000000000..26aaf611589 --- /dev/null +++ b/src/mongo/db/service_liaison_mock.h @@ -0,0 +1,138 @@ +/** + * Copyright (C) 2017 MongoDB Inc. + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License, version 3, + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + * + * As a special exception, the copyright holders give permission to link the + * code of portions of this program with the OpenSSL library under certain + * conditions as described in each individual source file and distribute + * linked combinations including the program with the OpenSSL library. You + * must comply with the GNU Affero General Public License in all respects for + * all of the code used other than as permitted herein. If you modify file(s) + * with this exception, you may extend this exception to your version of the + * file(s), but you are not obligated to do so. If you do not wish to do so, + * delete this exception statement from your version. If you delete this + * exception statement from all source files in the program, then also delete + * it in the license file. + */ + +#pragma once + +#include "mongo/db/service_context.h" +#include "mongo/db/service_context_noop.h" +#include "mongo/db/service_liaison.h" +#include "mongo/executor/async_timer_mock.h" +#include "mongo/platform/atomic_word.h" +#include "mongo/stdx/condition_variable.h" +#include "mongo/stdx/mutex.h" +#include "mongo/util/periodic_runner.h" +#include "mongo/util/time_support.h" + +namespace mongo { + +/** + * To allow us to move a MockServiceLiaison into the session cache while + * maintaining a hold on it from within our unit tests, the MockServiceLiaison + * will have an internal pointer to a MockServiceLiaisonImpl object that the + * test creates and controls. + * + * This class maintains an internal _activeSessions list that may be modified + * by the test caller. It also maintains an internal mocked representation of + * time, which the caller can fastForward(). The Date_t returned by now() will + * be the epoch + the amount of minutes this object has been fast-forwarded over + * course of its life. + * + * This service liaison starts up its internal periodic runner on construction. + */ +class MockServiceLiaisonImpl { +public: + MockServiceLiaisonImpl(); + + // Forwarding methods from the MockServiceLiaison + LogicalSessionIdSet getActiveOpSessions() const; + LogicalSessionIdSet getOpenCursorSessions() const; + Date_t now() const; + void scheduleJob(PeriodicRunner::PeriodicJob job); + void join(); + + // Test-side methods that operate on the _activeSessions list. + void add(LogicalSessionId lsid); + void remove(LogicalSessionId lsid); + void clear(); + + void addCursorSession(LogicalSessionId lsid); + void removeCursorSession(LogicalSessionId lsid); + void clearCursorSession(); + + void fastForward(Milliseconds time); + int jobs(); + + const KillAllSessionsByPattern* matchKilled(const LogicalSessionId& lsid); + std::pair<Status, int> killCursorsWithMatchingSessions(OperationContext* opCtx, + const SessionKiller::Matcher& matcher); + +private: + std::unique_ptr<executor::AsyncTimerFactoryMock> _timerFactory; + std::unique_ptr<PeriodicRunner> _runner; + + boost::optional<SessionKiller::Matcher> _matcher; + + mutable stdx::mutex _mutex; + LogicalSessionIdSet _activeSessions; + LogicalSessionIdSet _cursorSessions; +}; + +/** + * A mock service liaison for testing the logical session cache. + */ +class MockServiceLiaison : public ServiceLiaison { +public: + explicit MockServiceLiaison(std::shared_ptr<MockServiceLiaisonImpl> impl) + : _impl(std::move(impl)) {} + + LogicalSessionIdSet getActiveOpSessions() const override { + return _impl->getActiveOpSessions(); + } + + LogicalSessionIdSet getOpenCursorSessions() const override { + return _impl->getOpenCursorSessions(); + } + + Date_t now() const override { + return _impl->now(); + } + + void scheduleJob(PeriodicRunner::PeriodicJob job) override { + _impl->scheduleJob(std::move(job)); + } + + void join() override { + return _impl->join(); + } + + std::pair<Status, int> killCursorsWithMatchingSessions( + OperationContext* opCtx, const SessionKiller::Matcher& matcher) override { + return _impl->killCursorsWithMatchingSessions(opCtx, matcher); + } + +protected: + ServiceContext* _context() override { + return _serviceContext.get(); + } + +private: + std::shared_ptr<MockServiceLiaisonImpl> _impl; + std::unique_ptr<ServiceContextNoop> _serviceContext; +}; + +} // namespace mongo |