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/**
* Copyright (C) 2020-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* 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
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* 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 Server Side 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 <boost/optional.hpp>
#include <vector>
#include "mongo/db/repl/oplog_buffer.h"
#include "mongo/db/repl/oplog_entry.h"
#include "mongo/platform/mutex.h"
#include "mongo/stdx/condition_variable.h"
namespace mongo {
namespace repl {
// This is a simple random-access "oplog buffer" based on a vector.
class OplogBufferMock : public RandomAccessOplogBuffer {
public:
OplogBufferMock() : RandomAccessOplogBuffer(){};
void startup(OperationContext* opCtx) final;
void shutdown(OperationContext* opCtx) final;
void push(OperationContext* opCtx,
Batch::const_iterator begin,
Batch::const_iterator end) final;
void waitForSpace(OperationContext* opCtx, std::size_t size) final{};
bool isEmpty() const final;
std::size_t getMaxSize() const final {
return 0;
};
std::size_t getSize() const final;
std::size_t getCount() const final;
void clear(OperationContext* opCtx) final;
bool tryPop(OperationContext* opCtx, Value* value) final;
bool waitForData(Seconds waitDuration) final;
bool peek(OperationContext* opCtx, Value* value) final;
boost::optional<Value> lastObjectPushed(OperationContext* opCtx) const final;
StatusWith<Value> findByTimestamp(OperationContext* opCtx, const Timestamp& ts) final;
Status seekToTimestamp(OperationContext* opCtx,
const Timestamp& ts,
SeekStrategy exact = SeekStrategy::kExact) final;
private:
mutable Mutex _mutex = MONGO_MAKE_LATCH("OplogBufferMock::_mutex");
stdx::condition_variable _notEmptyCv;
bool _hasShutDown = false;
bool _hasStartedUp = false;
std::vector<Value> _data;
std::size_t _curIndex = 0;
void clear(WithLock);
};
// Convenience routines for creating oplog entries to test with.
OplogEntry makeInsertOplogEntry(int t,
const NamespaceString& nss,
boost::optional<UUID> uuid = boost::none);
OplogEntry makeUpdateOplogEntry(int t,
const NamespaceString& nss,
boost::optional<UUID> uuid = boost::none,
boost::optional<OpTime> preImageOpTime = boost::none,
boost::optional<OpTime> postImageOpTime = boost::none);
OplogEntry makeNoopOplogEntry(int t, const StringData& msg);
OplogEntry makeApplyOpsOplogEntry(int t,
bool prepare,
const std::vector<OplogEntry>& innerOps = {});
OplogEntry makeCommitTransactionOplogEntry(int t, StringData dbName, bool prepared, int count);
std::vector<OplogEntry> makeMultiEntryTransactionOplogEntries(int t,
StringData dbName,
bool prepared,
int count);
std::vector<OplogEntry> makeMultiEntryTransactionOplogEntries(
int t, StringData dbName, bool prepared, std::vector<std::vector<OplogEntry>> innerOps);
std::string toString(const std::vector<OplogEntry>& ops);
} // namespace repl
} // namespace mongo
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