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ton/common/delay.h
2019-09-07 14:33:36 +04:00

53 lines
1.5 KiB
C++

/*
This file is part of TON Blockchain Library.
TON Blockchain Library is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
TON Blockchain Library 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with TON Blockchain Library. If not, see <http://www.gnu.org/licenses/>.
Copyright 2017-2019 Telegram Systems LLP
*/
#pragma once
#include "td/actor/actor.h"
namespace ton {
template <typename T>
class DelayedAction : public td::actor::Actor {
public:
DelayedAction(T promise) : promise_(std::move(promise)) {
}
void set_timer(td::Timestamp t) {
alarm_timestamp() = t;
}
void alarm() override {
promise_();
stop();
}
static void create(T promise, td::Timestamp t) {
auto A = td::actor::create_actor<DelayedAction>("delayed", std::move(promise));
td::actor::send_closure(A, &DelayedAction::set_timer, t);
A.release();
}
private:
T promise_;
};
template <typename T>
void delay_action(T promise, td::Timestamp timeout) {
DelayedAction<T>::create(std::move(promise), timeout);
}
} // namespace ton