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ton/validator/token-manager.h
2019-09-07 14:33:36 +04:00

66 lines
2.0 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 "validator/interfaces/validator-manager.h"
#include <set>
namespace ton {
namespace validator {
class TokenManager : public td::actor::Actor {
public:
TokenManager() {
}
void alarm() override;
void get_download_token(size_t download_size, td::uint32 priority, td::Timestamp timeout,
td::Promise<std::unique_ptr<DownloadToken>> promise);
void download_token_cleared(size_t download_size, td::uint32 priority);
private:
std::unique_ptr<DownloadToken> gen_token(size_t download_size, td::uint32 priority);
struct PendingPromiseKey {
size_t download_size;
td::uint32 priority;
td::uint64 seqno;
bool operator<(const PendingPromiseKey &with) const {
return priority < with.priority || (priority == with.priority && seqno < with.seqno);
}
};
struct PendingPromise {
td::Timestamp timeout;
td::Promise<std::unique_ptr<DownloadToken>> promise;
};
td::uint64 seqno_ = 0;
std::map<PendingPromiseKey, PendingPromise> pending_;
td::uint32 free_tokens_ = 8;
td::uint32 free_priority_tokens_ = 8;
td::uint32 max_priority_tokens_ = 8;
};
} // namespace validator
} // namespace ton