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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.
*/
#pragma once
#include <functional>
#include "mongo/db/repl/optime.h"
#include "mongo/db/repl/sync_source_selector.h"
namespace mongo {
namespace repl {
/**
* Mock implementation of SyncSourceSelector interface for testing.
*/
class SyncSourceSelectorMock : public SyncSourceSelector {
SyncSourceSelectorMock(const SyncSourceSelectorMock&) = delete;
SyncSourceSelectorMock& operator=(const SyncSourceSelectorMock&) = delete;
public:
using ChooseNewSyncSourceHook = std::function<void()>;
SyncSourceSelectorMock();
virtual ~SyncSourceSelectorMock();
void clearSyncSourceDenylist() override;
HostAndPort chooseNewSyncSource(const OpTime& ot) override;
void denylistSyncSource(const HostAndPort& host, Date_t until) override;
ChangeSyncSourceAction shouldChangeSyncSource(const HostAndPort&,
const rpc::ReplSetMetadata&,
const rpc::OplogQueryMetadata& oqMetadata,
const OpTime& previousOpTimeFetched,
const OpTime& lastOpTimeFetched) const override;
ChangeSyncSourceAction shouldChangeSyncSourceOnError(
const HostAndPort&, const OpTime& lastOpTimeFetched) const 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 denylisted sync source.
*/
HostAndPort getLastDenylistedSyncSource_forTest() const;
/**
* Returns the expiration associated with the most recently denylisted sync source.
*/
Date_t getLastDenylistExpiration_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 denylisted sync source passed to denylistSyncSource().
HostAndPort _lastDenylistedSyncSource;
// This is the most recent 'util' argument value passed to denylistSyncSource().
Date_t _lastDenylistExpiration;
};
} // namespace repl
} // namespace mongo
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