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/**
* Copyright (C) 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/s/catalog/dist_lock_manager_mock.h"
#include <algorithm>
#include "mongo/util/mongoutils/str.h"
#include "mongo/unittest/unittest.h"
namespace mongo {
using stdx::chrono::milliseconds;
namespace {
void NoLockFuncSet(StringData name,
StringData whyMessage,
milliseconds waitFor,
milliseconds lockTryInterval) {
FAIL(str::stream() << "Lock not expected to be called. "
<< "Name: " << name
<< ", whyMessage: " << whyMessage
<< ", waitFor: " << waitFor
<< ", lockTryInterval: " << lockTryInterval);
}
} // namespace
DistLockManagerMock::DistLockManagerMock() : _lockReturnStatus{Status::OK()},
_lockChecker{NoLockFuncSet} {}
void DistLockManagerMock::startUp() {}
void DistLockManagerMock::shutDown() {
uassert(28659,
"DistLockManagerMock shut down with outstanding locks present",
_locks.empty());
}
StatusWith<DistLockManager::ScopedDistLock> DistLockManagerMock::lock(
StringData name,
StringData whyMessage,
milliseconds waitFor,
milliseconds lockTryInterval) {
_lockChecker(name, whyMessage, waitFor, lockTryInterval);
_lockChecker = NoLockFuncSet;
if (!_lockReturnStatus.isOK()) {
return _lockReturnStatus;
}
if (_locks.end() != std::find_if(
_locks.begin(),
_locks.end(),
[name](LockInfo info)->bool { return info.name == name; })) {
return Status(ErrorCodes::LockBusy,
str::stream() << "Lock \"" << name << "\" is already taken");
}
LockInfo info;
info.name = name.toString();
info.lockID = DistLockHandle::gen();
_locks.push_back(info);
return DistLockManager::ScopedDistLock(info.lockID, this);
}
void DistLockManagerMock::unlock(const DistLockHandle& lockHandle) {
std::vector<LockInfo>::iterator it =
std::find_if(
_locks.begin(),
_locks.end(),
[&lockHandle](LockInfo info)->bool { return info.lockID == lockHandle; });
if (it == _locks.end()) {
return;
}
_locks.erase(it);
}
Status DistLockManagerMock::checkStatus(const DistLockHandle& lockHandle) {
return Status::OK();
}
void DistLockManagerMock::expectLock(LockFunc checker, Status status) {
_lockReturnStatus = std::move(status);
_lockChecker = checker;
}
}
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