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ton/adnl/adnl-db.cpp
2019-09-07 14:33:36 +04:00

83 lines
2.8 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
*/
#include "adnl-db.hpp"
#include "td/db/RocksDb.h"
namespace ton {
namespace adnl {
void AdnlDbImpl::update(AdnlNodeIdShort local_id, AdnlNodeIdShort peer_id, AdnlDbItem item,
td::Promise<td::Unit> promise) {
td::BufferSlice b{64};
auto S = b.as_slice();
S.copy_from(local_id.as_slice());
S.remove_prefix(32);
S.copy_from(peer_id.as_slice());
auto obj = create_tl_object<ton_api::adnl_db_node_value>(static_cast<td::int32>(td::Clocks::system()), item.id.tl(),
item.addr_list.tl(), item.priority_addr_list.tl());
kv_->begin_transaction().ensure();
kv_->set(b.as_slice(), serialize_tl_object(obj, true).as_slice()).ensure();
kv_->commit_transaction().ensure();
}
void AdnlDbImpl::get(AdnlNodeIdShort local_id, AdnlNodeIdShort peer_id, td::Promise<AdnlDbItem> promise) {
td::BufferSlice b{64};
auto S = b.as_slice();
S.copy_from(local_id.as_slice());
S.remove_prefix(32);
S.copy_from(peer_id.as_slice());
std::string value;
auto R = kv_->get(b.as_slice(), value);
R.ensure();
if (R.move_as_ok() == td::KeyValue::GetStatus::NotFound) {
promise.set_error(td::Status::Error(ErrorCode::notready, "not in db"));
return;
}
auto F = fetch_tl_object<ton_api::adnl_db_node_value>(td::BufferSlice{value}, true);
F.ensure();
auto f = F.move_as_ok();
AdnlDbItem n;
auto id = AdnlNodeIdFull::create(f->id_);
id.ensure();
n.id = id.move_as_ok();
auto addr_list = AdnlAddressList::create(std::move(f->addr_list_));
addr_list.ensure();
n.addr_list = addr_list.move_as_ok();
auto priority_addr_list = AdnlAddressList::create(std::move(f->priority_addr_list_));
priority_addr_list.ensure();
n.priority_addr_list = priority_addr_list.move_as_ok();
promise.set_value(std::move(n));
}
void AdnlDbImpl::start_up() {
kv_ = std::make_shared<td::RocksDb>(td::RocksDb::open(path_).move_as_ok());
}
td::actor::ActorOwn<AdnlDb> AdnlDb::create(std::string path) {
return td::actor::create_actor<AdnlDbImpl>("adnldb", path);
}
} // namespace adnl
} // namespace ton