1 /*
2 * Copyright (C) 2018-2019 Codership Oy <info@codership.com>
3 *
4 * This file is part of wsrep-lib.
5 *
6 * Wsrep-lib is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * Wsrep-lib is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with wsrep-lib. If not, see <https://www.gnu.org/licenses/>.
18 */
19
20 #include "mock_storage_service.hpp"
21 #include "mock_server_state.hpp"
22
23 #include "wsrep/client_state.hpp"
24
mock_storage_service(wsrep::server_state & server_state,wsrep::client_id client_id)25 wsrep::mock_storage_service::mock_storage_service(
26 wsrep::server_state& server_state,
27 wsrep::client_id client_id)
28 : client_service_(client_state_)
29 , client_state_(server_state, client_service_, client_id,
30 wsrep::client_state::m_high_priority)
31 {
32 client_state_.open(client_id);
33 client_state_.before_command();
34 }
35
36
~mock_storage_service()37 wsrep::mock_storage_service::~mock_storage_service()
38 {
39 client_state_.after_command_before_result();
40 client_state_.after_command_after_result();
41 client_state_.close();
42 client_state_.cleanup();
43 }
44
start_transaction(const wsrep::ws_handle & ws_handle)45 int wsrep::mock_storage_service::start_transaction(
46 const wsrep::ws_handle& ws_handle)
47 {
48 return client_state_.start_transaction(ws_handle.transaction_id());
49 }
50
adopt_transaction(const wsrep::transaction & transaction)51 void wsrep::mock_storage_service::adopt_transaction(
52 const wsrep::transaction& transaction)
53 {
54 client_state_.adopt_transaction(transaction);
55 }
56
commit(const wsrep::ws_handle & ws_handle,const wsrep::ws_meta & ws_meta)57 int wsrep::mock_storage_service::commit(const wsrep::ws_handle& ws_handle,
58 const wsrep::ws_meta& ws_meta)
59 {
60 // the logic here matches mariadb's wsrep_storage_service::commit
61 bool ret = 0;
62 const bool is_ordered = !ws_meta.seqno().is_undefined();
63 if (is_ordered)
64 {
65 ret = ret || client_state_.prepare_for_ordering(ws_handle, ws_meta, true);
66 ret = ret || client_state_.before_commit();
67 ret = ret || client_state_.ordered_commit();
68 ret = ret || client_state_.after_commit();
69 }
70
71 if (!is_ordered)
72 {
73 client_state_.before_rollback();
74 client_state_.after_rollback();
75 }
76 else if (ret)
77 {
78 client_state_.prepare_for_ordering(wsrep::ws_handle(), wsrep::ws_meta(), false);
79 }
80
81 client_state_.after_applying();
82 return ret;
83 }
84
rollback(const wsrep::ws_handle & ws_handle,const wsrep::ws_meta & ws_meta)85 int wsrep::mock_storage_service::rollback(const wsrep::ws_handle& ws_handle,
86 const wsrep::ws_meta& ws_meta)
87 {
88 int ret(client_state_.prepare_for_ordering(
89 ws_handle, ws_meta, false) ||
90 client_state_.before_rollback() ||
91 client_state_.after_rollback());
92 client_state_.after_applying();
93 return ret;
94 }
95