blob: 31304b94573429e72024055caa9836783b553aed (
plain)
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
|
/**
* 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 "mongo/db/logical_session_id.h"
#include "mongo/db/operation_context.h"
#include "mongo/db/service_liason.h"
#include "mongo/util/periodic_runner.h"
#include "mongo/util/time_support.h"
namespace mongo {
/**
* This is the service liason to mongod for the logical session cache.
*
* This class will return active sessions for cursors stored in the
* global cursor manager and cursors in per-collection managers. This
* class will also walk the service context to find all sessions for
* currently-running operations on this server.
*
* Job scheduling on this class will be handled behind the scenes by a
* periodic runner for this mongod. The time will be returned from the
* system clock.
*/
class ServiceLiasonMongod : public ServiceLiason {
public:
LogicalSessionIdSet getActiveSessions() const override;
void scheduleJob(PeriodicRunner::PeriodicJob job) override;
void join() override;
Date_t now() const override;
protected:
/**
* Returns the service context.
*/
ServiceContext* _context() override;
};
} // namespace mongo
|
