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/**
* Copyright (C) 2018-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.
*/
#include "mongo/platform/basic.h"
#include "mongo/db/repl/data_replicator_external_state_mock.h"
#include <memory>
#include "mongo/db/repl/oplog_buffer_blocking_queue.h"
namespace mongo {
namespace repl {
namespace {
class OplogApplierMock : public OplogApplier {
OplogApplierMock(const OplogApplierMock&) = delete;
OplogApplierMock& operator=(const OplogApplierMock&) = delete;
public:
OplogApplierMock(executor::TaskExecutor* executor,
OplogBuffer* oplogBuffer,
Observer* observer,
DataReplicatorExternalStateMock* externalState)
: OplogApplier(executor,
oplogBuffer,
observer,
OplogApplier::Options(OplogApplication::Mode::kSecondary)),
_observer(observer),
_externalState(externalState) {}
private:
void _run(OplogBuffer* oplogBuffer) final {}
StatusWith<OpTime> _applyOplogBatch(OperationContext* opCtx, Operations ops) final {
return _externalState->applyOplogBatchFn(opCtx, ops, _observer);
}
OplogApplier::Observer* const _observer;
DataReplicatorExternalStateMock* const _externalState;
};
} // namespace
DataReplicatorExternalStateMock::DataReplicatorExternalStateMock()
: applyOplogBatchFn([](OperationContext*,
const MultiApplier::Operations& ops,
OplogApplier::Observer*) { return ops.back().getOpTime(); }) {}
executor::TaskExecutor* DataReplicatorExternalStateMock::getTaskExecutor() const {
return taskExecutor;
}
OpTimeWithTerm DataReplicatorExternalStateMock::getCurrentTermAndLastCommittedOpTime() {
return {currentTerm, lastCommittedOpTime};
}
void DataReplicatorExternalStateMock::processMetadata(const rpc::ReplSetMetadata& replMetadata,
rpc::OplogQueryMetadata oqMetadata) {
replMetadataProcessed = replMetadata;
oqMetadataProcessed = oqMetadata;
metadataWasProcessed = true;
}
bool DataReplicatorExternalStateMock::shouldStopFetching(
const HostAndPort& source,
const rpc::ReplSetMetadata& replMetadata,
boost::optional<rpc::OplogQueryMetadata> oqMetadata) {
lastSyncSourceChecked = source;
// If OplogQueryMetadata was provided, use its values, otherwise use the ones in
// ReplSetMetadata.
if (oqMetadata) {
syncSourceLastOpTime = oqMetadata->getLastOpApplied();
syncSourceHasSyncSource = oqMetadata->getSyncSourceIndex() != -1;
} else {
syncSourceLastOpTime = replMetadata.getLastOpVisible();
syncSourceHasSyncSource = replMetadata.getSyncSourceIndex() != -1;
}
return shouldStopFetchingResult;
}
std::unique_ptr<OplogBuffer> DataReplicatorExternalStateMock::makeInitialSyncOplogBuffer(
OperationContext* opCtx) const {
return std::make_unique<OplogBufferBlockingQueue>();
}
std::unique_ptr<OplogApplier> DataReplicatorExternalStateMock::makeOplogApplier(
OplogBuffer* oplogBuffer,
OplogApplier::Observer* observer,
ReplicationConsistencyMarkers*,
StorageInterface*,
const OplogApplier::Options&,
ThreadPool*) {
return std::make_unique<OplogApplierMock>(getTaskExecutor(), oplogBuffer, observer, this);
}
StatusWith<ReplSetConfig> DataReplicatorExternalStateMock::getCurrentConfig() const {
return replSetConfigResult;
}
} // namespace repl
} // namespace mongo
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