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/**
* Copyright (C) 2008 10gen 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/repl/oplog_applier.h"
#include "mongo/db/repl/oplog_buffer.h"
#include "mongo/db/repl/sync_tail.h"
#include "mongo/stdx/thread.h"
namespace mongo {
namespace repl {
class ReplicationCoordinator;
/**
* This class is used to apply oplog entries supplied by bgsync. It will automatically shutdown once
* bgsync shuts down. Callers must not call into methods concurrently.
*/
class RSDataSync {
public:
RSDataSync(OplogApplier::Observer* observer,
OplogBuffer* oplogBuffer,
ReplicationCoordinator* replCoord);
~RSDataSync();
void startup();
void shutdown();
void join();
private:
// Runs in a loop apply oplog entries from the buffer until this class cancels, or an error.
void _run();
stdx::thread _runThread;
OplogBuffer* _oplogBuffer;
ReplicationCoordinator* _replCoord;
std::unique_ptr<ThreadPool> _writerPool;
SyncTail _syncTail;
};
} // namespace repl
} // namespace mongo
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