1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
/**
* Copyright (C) 2017 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.
*/
#pragma once
#include <memory>
#include "mongo/db/logical_session_id.h"
#include "mongo/db/sessions_collection.h"
#include "mongo/util/time_support.h"
namespace mongo {
class OperationContext;
/**
* Accesses the sessions collection for mongos and shard servers.
*/
class SessionsCollectionSharded : public SessionsCollection {
public:
/**
* Ensures that the sessions collection exists, is sharded,
* and has the proper indexes.
*/
Status setupSessionsCollection(OperationContext* opCtx) override;
/**
* Updates the last-use times on the given sessions to be greater than
* or equal to the current time.
*/
Status refreshSessions(OperationContext* opCtx,
const LogicalSessionRecordSet& sessions) override;
/**
* Removes the authoritative records for the specified sessions.
*/
Status removeRecords(OperationContext* opCtx, const LogicalSessionIdSet& sessions) override;
StatusWith<LogicalSessionIdSet> findRemovedSessions(
OperationContext* opCtx, const LogicalSessionIdSet& sessions) override;
Status removeTransactionRecords(OperationContext* opCtx,
const LogicalSessionIdSet& sessions) override;
protected:
Status _checkCacheForSessionsCollection(OperationContext* opCtx);
};
} // namespace mongo
|
