summaryrefslogtreecommitdiff
path: root/src/mongo/s/d_state.cpp
blob: 41960a35ba07b5b316668c24c4d915b9d31e2da5 (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
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
/**
 *    Copyright (C) 2008-2015 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.
 */

#define MONGO_LOG_DEFAULT_COMPONENT ::mongo::logger::LogComponent::kSharding

#include "mongo/platform/basic.h"

#include "mongo/base/init.h"
#include "mongo/db/auth/action_set.h"
#include "mongo/db/auth/action_type.h"
#include "mongo/db/auth/authorization_manager.h"
#include "mongo/db/auth/authorization_session.h"
#include "mongo/db/auth/privilege.h"
#include "mongo/db/commands.h"
#include "mongo/db/db_raii.h"
#include "mongo/db/jsobj.h"
#include "mongo/db/operation_context.h"
#include "mongo/db/s/collection_metadata.h"
#include "mongo/db/s/collection_sharding_state.h"
#include "mongo/db/s/operation_sharding_state.h"
#include "mongo/db/s/sharded_connection_info.h"
#include "mongo/db/s/sharding_state.h"
#include "mongo/db/service_context.h"
#include "mongo/s/local_sharding_info.h"
#include "mongo/util/log.h"
#include "mongo/util/stringutils.h"

namespace mongo {

using std::shared_ptr;
using std::string;
using std::stringstream;

namespace {

bool haveLocalShardingInfo(OperationContext* txn, const string& ns) {
    if (!ShardingState::get(txn)->enabled()) {
        return false;
    }

    const auto& oss = OperationShardingState::get(txn);
    if (oss.hasShardVersion()) {
        return true;
    }

    const auto& sci = ShardedConnectionInfo::get(txn->getClient(), false);
    if (sci && !sci->getVersion(ns).isStrictlyEqualTo(ChunkVersion::UNSHARDED())) {
        return true;
    }

    return false;
}

MONGO_INITIALIZER_WITH_PREREQUISITES(MongoDLocalShardingInfo, ("SetGlobalEnvironment"))
(InitializerContext* context) {
    enableLocalShardingInfo(getGlobalServiceContext(), &haveLocalShardingInfo);
    return Status::OK();
}

}  // namespace

}  // namespace mongo