summaryrefslogtreecommitdiff
path: root/src/mongo/db/repl/delayable_timeout_callback.cpp
diff options
context:
space:
mode:
authorLucas de Castro Borges <lucas@gnuabordo.com.br>2025-02-11 15:07:35 -0300
committerLucas de Castro Borges <lucas@gnuabordo.com.br>2025-02-11 15:07:35 -0300
commit4cb8841196d0625dfa3825aa326f071cd27c7b8b (patch)
tree1682a647d4463397c119183369ae6f750d5fdcff /src/mongo/db/repl/delayable_timeout_callback.cpp
parentaa03c6362cbaa767638e6eed9b031d86dd2643d1 (diff)
parent8f0827553e09872941945a093b647a4211a9db7f (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.cpp192
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