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
87
88
89
90
91
92
93
94
95
96
97
98
99
|
/**
* Copyright (C) 2018 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.
*/
#include "mongo/platform/basic.h"
#include "mongo/db/s/op_observer_sharding_impl.h"
#include "mongo/db/s/collection_sharding_runtime.h"
#include "mongo/db/s/migration_source_manager.h"
namespace mongo {
namespace {
const auto getIsMigrating = OperationContext::declareDecoration<bool>();
}
bool OpObserverShardingImpl::isMigrating(OperationContext* opCtx,
NamespaceString const& nss,
BSONObj const& docToDelete) {
auto css = CollectionShardingRuntime::get(opCtx, nss);
auto msm = MigrationSourceManager::get(css);
return msm && msm->getCloner()->isDocumentInMigratingChunk(docToDelete);
}
void OpObserverShardingImpl::shardObserveAboutToDelete(OperationContext* opCtx,
NamespaceString const& nss,
BSONObj const& docToDelete) {
getIsMigrating(opCtx) = isMigrating(opCtx, nss, docToDelete);
}
void OpObserverShardingImpl::shardObserveInsertOp(OperationContext* opCtx,
const NamespaceString nss,
const BSONObj& insertedDoc,
const repl::OpTime& opTime,
const bool fromMigrate) {
auto* const css = (nss == NamespaceString::kSessionTransactionsTableNamespace || fromMigrate)
? nullptr
: CollectionShardingRuntime::get(opCtx, nss);
if (css) {
css->checkShardVersionOrThrow(opCtx);
auto msm = MigrationSourceManager::get(css);
if (msm) {
msm->getCloner()->onInsertOp(opCtx, insertedDoc, opTime);
}
}
}
void OpObserverShardingImpl::shardObserveUpdateOp(OperationContext* opCtx,
const NamespaceString nss,
const BSONObj& updatedDoc,
const repl::OpTime& opTime,
const repl::OpTime& prePostImageOpTime) {
auto* const css = CollectionShardingRuntime::get(opCtx, nss);
css->checkShardVersionOrThrow(opCtx);
auto msm = MigrationSourceManager::get(css);
if (msm) {
msm->getCloner()->onUpdateOp(opCtx, updatedDoc, opTime, prePostImageOpTime);
}
}
void OpObserverShardingImpl::shardObserveDeleteOp(OperationContext* opCtx,
const NamespaceString nss,
const BSONObj& documentKey,
const repl::OpTime& opTime,
const repl::OpTime& preImageOpTime) {
auto& isMigrating = getIsMigrating(opCtx);
auto* const css = CollectionShardingRuntime::get(opCtx, nss);
css->checkShardVersionOrThrow(opCtx);
auto msm = MigrationSourceManager::get(css);
if (msm && isMigrating) {
msm->getCloner()->onDeleteOp(opCtx, documentKey, opTime, preImageOpTime);
}
}
} // namespace mongo
|
