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| author | Lucas de Castro Borges <lucas@gnuabordo.com.br> | 2025-02-11 15:07:35 -0300 |
|---|---|---|
| committer | Lucas de Castro Borges <lucas@gnuabordo.com.br> | 2025-02-11 15:07:35 -0300 |
| commit | 4cb8841196d0625dfa3825aa326f071cd27c7b8b (patch) | |
| tree | 1682a647d4463397c119183369ae6f750d5fdcff /src/mongo/db/repl/delayable_timeout_callback.cpp | |
| parent | aa03c6362cbaa767638e6eed9b031d86dd2643d1 (diff) | |
| parent | 8f0827553e09872941945a093b647a4211a9db7f (diff) | |
Update upstream source from tag 'upstream/6.0.0'master
Update to upstream version '6.0.0'
with Debian dir 5604a80ec1c96ca76f25f40d78e6ef855abec322
Diffstat (limited to 'src/mongo/db/repl/delayable_timeout_callback.cpp')
| -rw-r--r-- | src/mongo/db/repl/delayable_timeout_callback.cpp | 192 |
1 files changed, 0 insertions, 192 deletions
diff --git a/src/mongo/db/repl/delayable_timeout_callback.cpp b/src/mongo/db/repl/delayable_timeout_callback.cpp deleted file mode 100644 index d84d7099779..00000000000 --- a/src/mongo/db/repl/delayable_timeout_callback.cpp +++ /dev/null @@ -1,192 +0,0 @@ -/** - * Copyright (C) 2022-present MongoDB, Inc. - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the Server Side Public License, version 1, - * as published by MongoDB, Inc. - * - * 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 - * Server Side Public License for more details. - * - * You should have received a copy of the Server Side Public License - * along with this program. If not, see - * <http://www.mongodb.com/licensing/server-side-public-license>. - * - * 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 Server Side 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_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kReplication - -#include "mongo/db/repl/delayable_timeout_callback.h" -#include "mongo/logv2/log.h" - -namespace mongo { -namespace repl { - -DelayableTimeoutCallback::~DelayableTimeoutCallback() { - cancel(); -} - -void DelayableTimeoutCallback::cancel() { - stdx::lock_guard lk(_mutex); - _cancel(lk); -} - -void DelayableTimeoutCallback::_cancel(WithLock) { - if (_cbHandle) { - _executor->cancel(_cbHandle); - _cbHandle = executor::TaskExecutor::CallbackHandle(); - _nextCall = Date_t(); - } - invariant(_nextCall == Date_t()); -} - -Date_t DelayableTimeoutCallback::getNextCall() const { - stdx::lock_guard lk(_mutex); - return _nextCall; -} - -bool DelayableTimeoutCallback::isActive() const { - return getNextCall() != Date_t(); -} - -Status DelayableTimeoutCallback::scheduleAt(Date_t when) { - stdx::lock_guard lk(_mutex); - return _scheduleAt(lk, when); -} - -Status DelayableTimeoutCallback::_scheduleAt(WithLock lk, Date_t when) { - if (_cbHandle && when < _nextCall) { - LOGV2_DEBUG(6602300, - 3, - "Moving a delayable timeout call backwards, which is inefficient", - "timerName"_attr = _timerName, - "when"_attr = when, - "nextCall"_attr = _nextCall); - _cancel(lk); - } - return _delayUntil(lk, when); -} - -Status DelayableTimeoutCallback::delayUntil(Date_t when) { - stdx::lock_guard lk(_mutex); - return _delayUntil(lk, when); -} - -Status DelayableTimeoutCallback::_delayUntil(WithLock lk, Date_t when) { - if (!_cbHandle) { - // No timeout is active; just schedule it - return _reschedule(lk, when); - } - if (when == _nextCall) { - LOGV2_DEBUG(6602301, - 5, - "'Rescheduling' to same time", - "timerName"_attr = _timerName, - "when"_attr = when, - "nextCall"_attr = _nextCall); - } - _nextCall = when; - return Status::OK(); -} - -void DelayableTimeoutCallback::_handleTimeout(const executor::TaskExecutor::CallbackArgs& args) { - { - stdx::lock_guard lk(_mutex); - if (args.myHandle != _cbHandle) { - // This is normal when scheduleAt() or cancel() is used. - LOGV2_DEBUG(6602302, - 5, - "DelayableTimeoutCallback::_handleTimeout got a timeout after a new handle " - "was scheduled", - "timerName"_attr = _timerName); - return; - } - Date_t now = _executor->now(); - if (args.status == ErrorCodes::CallbackCanceled) { - // If args.status is CallbackCanceled yet the handles matched, that means the - // executor canceled the callback itself, probably as part of shutdown. We - // do not want to reschedule in this case, nor call the callback. - _cbHandle = executor::TaskExecutor::CallbackHandle(); - _nextCall = Date_t(); - return; - } else if (_nextCall > now) { - Status status = _reschedule(lk, _nextCall); - if (!status.isOK()) { - LOGV2_DEBUG(6602303, - 2, - "DelayableTimeoutCallback::_handleTimeout unable to schedule", - "timerName"_attr = _timerName, - "error"_attr = status); - fassert(6602305, status == ErrorCodes::ShutdownInProgress); - } - return; - } - _cbHandle = executor::TaskExecutor::CallbackHandle(); - _nextCall = Date_t(); - } - _callback(args); -} - -Status DelayableTimeoutCallback::_reschedule(WithLock, Date_t when) { - // We clear _cbHandle and _nextCall in advance so if scheduleWorkAt fails for any reason - // (including by exception), the invariant that _cbHandle and _nextCall are clear when no - // callback is scheduled is maintained. - _cbHandle = executor::TaskExecutor::CallbackHandle(); - _nextCall = Date_t(); - auto cbh = _executor->scheduleWorkAt( - when, [this](const executor::TaskExecutor::CallbackArgs& args) { _handleTimeout(args); }); - if (cbh == ErrorCodes::ShutdownInProgress) { - return cbh.getStatus(); - } - _nextCall = when; - _cbHandle = fassert(6602304, cbh); - return Status::OK(); -} - -void DelayableTimeoutCallbackWithJitter::_resetRandomization(WithLock) { - _lastRandomizationTime = Date_t(); - _currentJitter = Milliseconds(0); -} - -Status DelayableTimeoutCallbackWithJitter::scheduleAt(Date_t when) { - stdx::lock_guard lk(_mutex); - _resetRandomization(lk); - return _scheduleAt(lk, when); -} - -Status DelayableTimeoutCallbackWithJitter::delayUntil(Date_t when) { - stdx::lock_guard lk(_mutex); - _resetRandomization(lk); - return _delayUntil(lk, when); -} - -Status DelayableTimeoutCallbackWithJitter::delayUntilWithJitter(Date_t when, - Milliseconds jitterUpperBound) { - if (jitterUpperBound == Milliseconds::zero()) - return delayUntil(when); - stdx::lock_guard lk(_mutex); - Date_t now = _getExecutor()->now(); - Milliseconds elapsed = now - _lastRandomizationTime; - if (_lastRandomizationTime == Date_t() || elapsed < Milliseconds::zero() || - elapsed >= jitterUpperBound || jitterUpperBound < _currentJitter) { - _lastRandomizationTime = now; - _currentJitter = Milliseconds(_randomSource(durationCount<Milliseconds>(jitterUpperBound))); - } - return _delayUntil(lk, when + _currentJitter); -} - -} // namespace repl -} // namespace mongo |
