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initial commit 2019-09-07 14:03:22 +04:00 • committed by vvaltman
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79
validator/downloaders/wait-block-data-disk.cpp Normal file
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/*
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
*/
#include "wait-block-data-disk.hpp"
#include "fabric.h"
#include "adnl/utils.hpp"
#include "ton/ton-io.hpp"
namespace ton {
namespace validator {
void WaitBlockDataDisk::alarm() {
abort_query(td::Status::Error(ErrorCode::timeout, "timeout"));
}
void WaitBlockDataDisk::abort_query(td::Status reason) {
if (promise_) {
LOG(WARNING) << "aborting wait block data (disk) query for block " << handle_->id() << ": " << reason;
promise_.set_error(reason.move_as_error_prefix(PSTRING() << "failed to download (disk) " << handle_->id() << ": "));
}
stop();
}
void WaitBlockDataDisk::finish_query() {
CHECK(handle_->received());
if (promise_) {
promise_.set_result(data_);
}
stop();
}
void WaitBlockDataDisk::start_up() {
alarm_timestamp() = timeout_;
CHECK(handle_);
start();
}
void WaitBlockDataDisk::start() {
if (handle_->received() && (handle_->id().is_masterchain() ? handle_->inited_proof() : handle_->inited_proof_link())) {
auto P = td::PromiseCreator::lambda([SelfId = actor_id(this)](td::Result<td::Ref<BlockData>> R) {
if (R.is_error()) {
td::actor::send_closure(SelfId, &WaitBlockDataDisk::abort_query, R.move_as_error_prefix("db error: "));
} else {
td::actor::send_closure(SelfId, &WaitBlockDataDisk::got_block_data_from_db, R.move_as_ok());
}
});
td::actor::send_closure(manager_, &ValidatorManager::get_block_data_from_db, handle_, std::move(P));
} else {
abort_query(td::Status::Error(ErrorCode::notready, "not in db"));
}
}
void WaitBlockDataDisk::got_block_data_from_db(td::Ref<BlockData> data) {
data_ = std::move(data);
finish_query();
}
} // namespace validator
} // namespace ton