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/*
* Copyright (C) 2018-2019 Codership Oy <info@codership.com>
*
* This file is part of wsrep-lib.
*
* Wsrep-lib is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* Wsrep-lib 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with wsrep-lib. If not, see <https://www.gnu.org/licenses/>.
*/
#include "mock_storage_service.hpp"
#include "mock_server_state.hpp"
#include "wsrep/client_state.hpp"
wsrep::mock_storage_service::mock_storage_service(
wsrep::server_state& server_state,
wsrep::client_id client_id)
: client_service_(&client_state_)
, client_state_(server_state, client_service_, client_id,
wsrep::client_state::m_high_priority)
{
client_state_.open(client_id);
client_state_.before_command();
}
wsrep::mock_storage_service::~mock_storage_service()
{
client_state_.after_command_before_result();
client_state_.after_command_after_result();
client_state_.close();
client_state_.cleanup();
}
int wsrep::mock_storage_service::start_transaction(
const wsrep::ws_handle& ws_handle)
{
return client_state_.start_transaction(ws_handle.transaction_id());
}
void wsrep::mock_storage_service::adopt_transaction(
const wsrep::transaction& transaction)
{
client_state_.adopt_transaction(transaction);
}
int wsrep::mock_storage_service::commit(const wsrep::ws_handle& ws_handle,
const wsrep::ws_meta& ws_meta)
{
// the logic here matches mariadb's wsrep_storage_service::commit
bool ret = 0;
const bool is_ordered = !ws_meta.seqno().is_undefined();
if (is_ordered)
{
ret = ret || client_state_.prepare_for_ordering(ws_handle, ws_meta, true);
ret = ret || client_state_.before_commit();
ret = ret || client_state_.ordered_commit();
ret = ret || client_state_.after_commit();
}
if (!is_ordered)
{
client_state_.before_rollback();
client_state_.after_rollback();
}
else if (ret)
{
client_state_.prepare_for_ordering(wsrep::ws_handle(), wsrep::ws_meta(), false);
}
client_state_.after_applying();
return ret;
}
int wsrep::mock_storage_service::rollback(const wsrep::ws_handle& ws_handle,
const wsrep::ws_meta& ws_meta)
{
int ret(client_state_.prepare_for_ordering(
ws_handle, ws_meta, false) ||
client_state_.before_rollback() ||
client_state_.after_rollback());
client_state_.after_applying();
return ret;
}
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