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/**
* Copyright (C) 2019-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.
*/
#include "mongo/util/future_util.h"
namespace mongo {
ExecutorFuture<void> sleepUntil(std::shared_ptr<executor::TaskExecutor> executor,
const Date_t& date) {
auto [promise, future] = makePromiseFuture<void>();
auto taskCompletionPromise = std::make_shared<Promise<void>>(std::move(promise));
auto scheduledWorkHandle = executor->scheduleWorkAt(
date, [taskCompletionPromise](const executor::TaskExecutor::CallbackArgs& args) mutable {
if (args.status.isOK()) {
taskCompletionPromise->emplaceValue();
} else {
taskCompletionPromise->setError(args.status);
}
});
if (!scheduledWorkHandle.isOK()) {
taskCompletionPromise->setError(scheduledWorkHandle.getStatus());
}
return std::move(future).thenRunOn(executor);
}
ExecutorFuture<void> sleepFor(std::shared_ptr<executor::TaskExecutor> executor,
Milliseconds duration) {
return sleepUntil(executor, executor->now() + duration);
}
} // namespace mongo
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