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
75
76
77
78
79
80
81
82
83
84
85
86
|
/**
* 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 <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/transport/service_entry_point_impl.h"
#include "mongo/base/status.h"
#include "mongo/db/commands.h"
#include "mongo/db/dbmessage.h"
#include "mongo/db/operation_context.h"
#include "mongo/rpc/message.h"
#include "mongo/util/fail_point_service.h"
namespace mongo {
MONGO_FAIL_POINT_DECLARE(rsStopGetMore);
MONGO_FAIL_POINT_DECLARE(respondWithNotPrimaryInCommandDispatch);
// When active, we won't check if we are master in command dispatch. Activate this if you want to
// test failing during command execution.
MONGO_FAIL_POINT_DECLARE(skipCheckingForNotMasterInCommandDispatch);
/**
* Helpers for writing ServiceEntryPointImpl implementations from a reusable core.
* Implementations are ServiceEntryPointMongo and ServiceEntryPointEmbedded, which share
* most of their code, but vary in small details captured by the Hooks customization
* interface.
*/
struct ServiceEntryPointCommon {
/**
* Interface for customizing ServiceEntryPointImpl behavior.
*/
class Hooks {
public:
virtual ~Hooks();
virtual bool lockedForWriting() const = 0;
virtual void waitForReadConcern(OperationContext* opCtx,
const CommandInvocation* invocation,
const OpMsgRequest& request) const = 0;
virtual void waitForWriteConcern(OperationContext* opCtx,
const CommandInvocation* invocation,
const repl::OpTime& lastOpBeforeRun,
BSONObjBuilder& commandResponseBuilder) const = 0;
virtual void waitForLinearizableReadConcern(OperationContext* opCtx) const = 0;
virtual void uassertCommandDoesNotSpecifyWriteConcern(const BSONObj& cmdObj) const = 0;
virtual void attachCurOpErrInfo(OperationContext* opCtx, const BSONObj& replyObj) const = 0;
};
static DbResponse handleRequest(OperationContext* opCtx, const Message& m, const Hooks& hooks);
/**
* Produce a new object based on cmdObj, but with redactions applied as specified by
* `command->redactForLogging`.
*/
static BSONObj getRedactedCopyForLogging(const Command* command, const BSONObj& cmdObj);
};
} // namespace mongo
|