/**
* Copyright (C) 2016 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 .
*
* 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/base/disallow_copying.h"
#include "mongo/db/repl/optime.h"
#include "mongo/db/repl/sync_source_selector.h"
#include "mongo/stdx/functional.h"
namespace mongo {
namespace repl {
/**
* Mock implementation of SyncSourceSelector interface for testing.
*/
class SyncSourceSelectorMock : public SyncSourceSelector {
MONGO_DISALLOW_COPYING(SyncSourceSelectorMock);
public:
using ChooseNewSyncSourceHook = stdx::function;
SyncSourceSelectorMock();
virtual ~SyncSourceSelectorMock();
void clearSyncSourceBlacklist() override;
HostAndPort chooseNewSyncSource(const OpTime& ot) override;
void blacklistSyncSource(const HostAndPort& host, Date_t until) override;
bool shouldChangeSyncSource(const HostAndPort&,
const rpc::ReplSetMetadata&,
boost::optional oqMetadata) override;
/**
* Sets a function that will be run every time chooseNewSyncSource() is called.
*/
void setChooseNewSyncSourceHook_forTest(const ChooseNewSyncSourceHook& hook);
/**
* Sets the result for subsequent chooseNewSyncSource() invocations.
*/
void setChooseNewSyncSourceResult_forTest(const HostAndPort&);
/**
* Returns most recent optime passed to chooseNewSyncSource().
*/
OpTime getChooseNewSyncSourceOpTime_forTest() const;
/**
* Returns most recently blacklisted sync source.
*/
HostAndPort getLastBlacklistedSyncSource_forTest() const;
/**
* Returns the expiration associated with the most recently blacklisted sync source.
*/
Date_t getLastBlacklistExpiration_forTest() const;
private:
// This is the sync source that chooseNewSyncSource returns.
HostAndPort _chooseNewSyncSourceResult = HostAndPort("localhost", -1);
// This is the most recent optime passed to chooseNewSyncSource().
OpTime _chooseNewSyncSourceOpTime;
// This is run every time chooseNewSyncSource() is called.
ChooseNewSyncSourceHook _chooseNewSyncSourceHook = []() {};
// This is the most recently blacklisted sync source passed to blacklistSyncSource().
HostAndPort _lastBlacklistedSyncSource;
// This is the most recent 'util' argument value passed to blacklistSyncSource().
Date_t _lastBlacklistExpiration;
};
} // namespace repl
} // namespace mongo