/**
* Copyright 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 .
*
* 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::kDefault
#include "mongo/platform/basic.h"
#include
#include "mongo/db/catalog_raii.h"
#include "mongo/db/client.h"
#include "mongo/db/concurrency/d_concurrency.h"
#include "mongo/db/concurrency/lock_state.h"
#include "mongo/db/service_context_test_fixture.h"
#include "mongo/unittest/unittest.h"
#include "mongo/util/log.h"
#include "mongo/util/time_support.h"
namespace mongo {
namespace {
class CatalogRAIITestFixture : public ServiceContextTest {
public:
typedef std::pair
ClientAndCtx;
ClientAndCtx makeClientWithLocker(const std::string& clientName) {
auto client = getServiceContext()->makeClient(clientName);
auto opCtx = client->makeOperationContext();
opCtx->swapLockState(stdx::make_unique());
return std::make_pair(std::move(client), std::move(opCtx));
}
const NamespaceString nss = NamespaceString("test", "coll");
const Milliseconds timeoutMs = Seconds(1);
const ClientAndCtx client1 = makeClientWithLocker("client1");
const ClientAndCtx client2 = makeClientWithLocker("client2");
};
void failsWithLockTimeout(stdx::function func, Milliseconds timeoutMillis) {
Date_t t1 = Date_t::now();
try {
func();
FAIL("Should have gotten an exception due to timeout");
} catch (const ExceptionFor& ex) {
log() << ex;
Date_t t2 = Date_t::now();
ASSERT_GTE(t2 - t1, timeoutMillis);
}
}
TEST_F(CatalogRAIITestFixture, AutoGetDBDeadline) {
Lock::DBLock dbLock1(client1.second.get(), nss.db(), MODE_X);
ASSERT(client1.second->lockState()->isDbLockedForMode(nss.db(), MODE_X));
failsWithLockTimeout(
[&] { AutoGetDb db(client2.second.get(), nss.db(), MODE_X, Date_t::now() + timeoutMs); },
timeoutMs);
}
TEST_F(CatalogRAIITestFixture, AutoGetDBGlobalLockDeadline) {
Lock::GlobalLock gLock1(
client1.second.get(), MODE_X, Date_t::now(), Lock::InterruptBehavior::kThrow);
ASSERT(gLock1.isLocked());
failsWithLockTimeout(
[&] { AutoGetDb db(client2.second.get(), nss.db(), MODE_X, Date_t::now() + timeoutMs); },
timeoutMs);
}
TEST_F(CatalogRAIITestFixture, AutoGetDBDeadlineNow) {
Lock::DBLock dbLock1(client1.second.get(), nss.db(), MODE_IX);
ASSERT(client1.second->lockState()->isDbLockedForMode(nss.db(), MODE_IX));
AutoGetDb db(client2.second.get(), nss.db(), MODE_IX, Date_t::now());
failsWithLockTimeout(
[&] { AutoGetDb db(client2.second.get(), nss.db(), MODE_X, Date_t::now()); },
Milliseconds(0));
}
TEST_F(CatalogRAIITestFixture, AutoGetDBDeadlineMin) {
Lock::DBLock dbLock1(client1.second.get(), nss.db(), MODE_IX);
ASSERT(client1.second->lockState()->isDbLockedForMode(nss.db(), MODE_IX));
AutoGetDb db(client2.second.get(), nss.db(), MODE_IX, Date_t::now());
failsWithLockTimeout(
[&] { AutoGetDb db(client2.second.get(), nss.db(), MODE_X, Date_t::now()); },
Milliseconds(0));
}
TEST_F(CatalogRAIITestFixture, AutoGetOrCreateDbDeadline) {
Lock::DBLock dbLock1(client1.second.get(), nss.db(), MODE_X);
ASSERT(client1.second->lockState()->isDbLockedForMode(nss.db(), MODE_X));
failsWithLockTimeout(
[&] {
AutoGetOrCreateDb db(client2.second.get(), nss.db(), MODE_X, Date_t::now() + timeoutMs);
},
timeoutMs);
}
TEST_F(CatalogRAIITestFixture, AutoGetCollectionCollLockDeadline) {
Lock::DBLock dbLock1(client1.second.get(), nss.db(), MODE_IX);
ASSERT(client1.second->lockState()->isDbLockedForMode(nss.db(), MODE_IX));
Lock::CollectionLock collLock1(client1.second.get()->lockState(), nss.toString(), MODE_X);
ASSERT(client1.second->lockState()->isCollectionLockedForMode(nss.toString(), MODE_X));
failsWithLockTimeout(
[&] {
AutoGetCollection coll(client2.second.get(),
nss,
MODE_IX,
MODE_X,
AutoGetCollection::ViewMode::kViewsForbidden,
Date_t::now() + timeoutMs);
},
timeoutMs);
}
TEST_F(CatalogRAIITestFixture, AutoGetCollectionDBLockDeadline) {
Lock::DBLock dbLock1(client1.second.get(), nss.db(), MODE_X);
ASSERT(client1.second->lockState()->isDbLockedForMode(nss.db(), MODE_X));
failsWithLockTimeout(
[&] {
AutoGetCollection coll(client2.second.get(),
nss,
MODE_X,
MODE_X,
AutoGetCollection::ViewMode::kViewsForbidden,
Date_t::now() + timeoutMs);
},
timeoutMs);
}
TEST_F(CatalogRAIITestFixture, AutoGetCollectionGlobalLockDeadline) {
Lock::GlobalLock gLock1(
client1.second.get(), MODE_X, Date_t::now(), Lock::InterruptBehavior::kThrow);
ASSERT(client1.second->lockState()->isLocked());
failsWithLockTimeout(
[&] {
AutoGetCollection coll(client2.second.get(),
nss,
MODE_X,
MODE_X,
AutoGetCollection::ViewMode::kViewsForbidden,
Date_t::now() + timeoutMs);
},
timeoutMs);
}
TEST_F(CatalogRAIITestFixture, AutoGetCollectionDeadlineNow) {
Lock::DBLock dbLock1(client1.second.get(), nss.db(), MODE_IX);
ASSERT(client1.second->lockState()->isDbLockedForMode(nss.db(), MODE_IX));
Lock::CollectionLock collLock1(client1.second.get()->lockState(), nss.toString(), MODE_X);
ASSERT(client1.second->lockState()->isCollectionLockedForMode(nss.toString(), MODE_X));
failsWithLockTimeout(
[&] {
AutoGetCollection coll(client2.second.get(),
nss,
MODE_IX,
MODE_X,
AutoGetCollection::ViewMode::kViewsForbidden,
Date_t::now());
},
Milliseconds(0));
}
TEST_F(CatalogRAIITestFixture, AutoGetCollectionDeadlineMin) {
Lock::DBLock dbLock1(client1.second.get(), nss.db(), MODE_IX);
ASSERT(client1.second->lockState()->isDbLockedForMode(nss.db(), MODE_IX));
Lock::CollectionLock collLock1(client1.second.get()->lockState(), nss.toString(), MODE_X);
ASSERT(client1.second->lockState()->isCollectionLockedForMode(nss.toString(), MODE_X));
failsWithLockTimeout(
[&] {
AutoGetCollection coll(client2.second.get(),
nss,
MODE_IX,
MODE_X,
AutoGetCollection::ViewMode::kViewsForbidden,
Date_t::min());
},
Milliseconds(0));
}
} // namespace
} // namespace mongo