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ton/adnl/adnl-query.h
2019-09-07 14:33:36 +04:00

68 lines
2.2 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"
#include "common/bitstring.h"
#include "td/utils/buffer.h"
#include <functional>
namespace ton {
namespace adnl {
class AdnlPeerPair;
using AdnlQueryId = td::Bits256;
class AdnlQuery : public td::actor::Actor {
public:
static td::actor::ActorId<AdnlQuery> create(td::Promise<td::BufferSlice> promise,
std::function<void(AdnlQueryId)> destroy, std::string name,
td::Timestamp timeout, AdnlQueryId id) {
return td::actor::create_actor<AdnlQuery>("query", name, std::move(promise), std::move(destroy), timeout, id)
.release();
}
static AdnlQueryId random_query_id();
AdnlQuery(std::string name, td::Promise<td::BufferSlice> promise, std::function<void(AdnlQueryId)> destroy,
td::Timestamp timeout, AdnlQueryId id)
: name_(std::move(name)), timeout_(timeout), promise_(std::move(promise)), destroy_(std::move(destroy)), id_(id) {
}
void alarm() override;
void result(td::BufferSlice data);
void start_up() override {
alarm_timestamp() = timeout_;
}
void tear_down() override {
destroy_(id_);
}
private:
std::string name_;
td::Timestamp timeout_;
td::Promise<td::BufferSlice> promise_;
std::function<void(AdnlQueryId)> destroy_;
AdnlQueryId id_;
};
} // namespace adnl
} // namespace ton