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
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
|
/**
* Copyright (C) 2014 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 <map>
#include "mongo/base/init.h"
#include "mongo/executor/task_executor_test_common.h"
#include "mongo/db/namespace_string.h"
#include "mongo/db/operation_context.h"
#include "mongo/db/repl/replication_executor.h"
#include "mongo/db/repl/replication_executor_test_fixture.h"
#include "mongo/db/repl/storage_interface_mock.h"
#include "mongo/executor/network_interface_mock.h"
#include "mongo/stdx/memory.h"
#include "mongo/stdx/functional.h"
#include "mongo/stdx/thread.h"
#include "mongo/unittest/barrier.h"
#include "mongo/unittest/unittest.h"
#include "mongo/util/assert_util.h"
#include "mongo/util/map_util.h"
namespace mongo {
namespace repl {
namespace {
using executor::NetworkInterfaceMock;
const int64_t prngSeed = 1;
MONGO_INITIALIZER(ReplExecutorCommonTests)(InitializerContext*) {
mongo::executor::addTestsForExecutor(
"ReplicationExecutorCommon",
[](std::unique_ptr<executor::NetworkInterfaceMock>* net) {
return stdx::make_unique<ReplicationExecutor>(
net->release(), new StorageInterfaceMock(), prngSeed);
});
return Status::OK();
}
TEST_F(ReplicationExecutorTest, ScheduleDBWorkAndExclusiveWorkConcurrently) {
unittest::Barrier barrier(2U);
NamespaceString nss("mydb", "mycoll");
ReplicationExecutor& executor = getReplExecutor();
Status status1 = getDetectableErrorStatus();
OperationContext* txn = nullptr;
using CallbackData = ReplicationExecutor::CallbackArgs;
ASSERT_OK(executor.scheduleDBWork([&](const CallbackData& cbData) {
status1 = cbData.status;
txn = cbData.txn;
barrier.countDownAndWait();
if (cbData.status != ErrorCodes::CallbackCanceled)
cbData.executor->shutdown();
}).getStatus());
ASSERT_OK(executor.scheduleWorkWithGlobalExclusiveLock([&](const CallbackData& cbData) {
barrier.countDownAndWait();
}).getStatus());
executor.run();
ASSERT_OK(status1);
ASSERT(txn);
}
TEST_F(ReplicationExecutorTest, ScheduleDBWorkWithCollectionLock) {
NamespaceString nss("mydb", "mycoll");
ReplicationExecutor& executor = getReplExecutor();
Status status1 = getDetectableErrorStatus();
OperationContext* txn = nullptr;
bool collectionIsLocked = false;
using CallbackData = ReplicationExecutor::CallbackArgs;
ASSERT_OK(executor.scheduleDBWork([&](const CallbackData& cbData) {
status1 = cbData.status;
txn = cbData.txn;
collectionIsLocked =
txn ? txn->lockState()->isCollectionLockedForMode(nss.ns(), MODE_X) : false;
if (cbData.status != ErrorCodes::CallbackCanceled)
cbData.executor->shutdown();
}, nss, MODE_X).getStatus());
executor.run();
ASSERT_OK(status1);
ASSERT(txn);
ASSERT_TRUE(collectionIsLocked);
}
TEST_F(ReplicationExecutorTest, ScheduleExclusiveLockOperation) {
ReplicationExecutor& executor = getReplExecutor();
Status status1 = getDetectableErrorStatus();
OperationContext* txn = nullptr;
bool lockIsW = false;
using CallbackData = ReplicationExecutor::CallbackArgs;
ASSERT_OK(executor.scheduleWorkWithGlobalExclusiveLock([&](const CallbackData& cbData) {
status1 = cbData.status;
txn = cbData.txn;
lockIsW = txn ? txn->lockState()->isW() : false;
if (cbData.status != ErrorCodes::CallbackCanceled)
cbData.executor->shutdown();
}).getStatus());
executor.run();
ASSERT_OK(status1);
ASSERT(txn);
ASSERT_TRUE(lockIsW);
}
TEST_F(ReplicationExecutorTest, ShutdownBeforeRunningSecondExclusiveLockOperation) {
ReplicationExecutor& executor = getReplExecutor();
using CallbackData = ReplicationExecutor::CallbackArgs;
Status status1 = getDetectableErrorStatus();
ASSERT_OK(executor.scheduleWorkWithGlobalExclusiveLock([&](const CallbackData& cbData) {
status1 = cbData.status;
if (cbData.status != ErrorCodes::CallbackCanceled)
cbData.executor->shutdown();
}).getStatus());
// Second db work item is invoked by the main executor thread because the work item is
// moved from the exclusive lock queue to the ready work item queue when the first callback
// cancels the executor.
Status status2 = getDetectableErrorStatus();
ASSERT_OK(executor.scheduleWorkWithGlobalExclusiveLock([&](const CallbackData& cbData) {
status2 = cbData.status;
if (cbData.status != ErrorCodes::CallbackCanceled)
cbData.executor->shutdown();
}).getStatus());
executor.run();
ASSERT_OK(status1);
ASSERT_EQUALS(ErrorCodes::CallbackCanceled, status2.code());
}
} // namespace
} // namespace repl
} // namespace mongo
|
