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/**
* Copyright (C) 2018 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.
*/
#define MONGO_LOG_DEFAULT_COMPONENT ::mongo::logger::LogComponent::kReplication
#include "mongo/platform/basic.h"
#include "mongo/db/repl/oplog_applier.h"
#include "mongo/db/repl/sync_tail.h"
#include "mongo/util/log.h"
namespace mongo {
namespace repl {
using CallbackArgs = executor::TaskExecutor::CallbackArgs;
OplogApplier::OplogApplier(executor::TaskExecutor* executor,
OplogBuffer* oplogBuffer,
Observer* observer,
ReplicationCoordinator* replCoord,
const OplogApplier::Options& options,
ThreadPool* writerPool)
: _executor(executor),
_oplogBuffer(oplogBuffer),
_observer(observer),
_replCoord(replCoord),
_options(options),
_syncTail(std::make_unique<SyncTail>(_observer, multiSyncApply, writerPool)) {
invariant(!options.allowNamespaceNotFoundErrorsOnCrudOps);
invariant(!options.relaxUniqueIndexConstraints);
}
Future<void> OplogApplier::startup() {
auto future = _promise.getFuture();
auto callback =
[ this, promise = _promise.share() ](const CallbackArgs& args) mutable noexcept {
invariant(args.status);
log() << "Starting oplog application";
_syncTail->oplogApplication(_oplogBuffer, _replCoord);
log() << "Finished oplog application";
promise.setWith([] {});
};
invariant(_executor->scheduleWork(callback).getStatus());
return future;
}
void OplogApplier::shutdown() {
_syncTail->shutdown();
}
/**
* Pushes operations read from sync source into oplog buffer.
*/
void OplogApplier::enqueue(const Operations& operations) {}
} // namespace repl
} // namespace mongo
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