lib/wsrep-lib
1
0
Fork 0
mirror of https://github.com/codership/wsrep-lib.git synced 2025-07-28 20:02:00 +03:00
Code Activity

codership/wsrep-lib#104 Error voting support

Browse Source 
- populate and pass real error description buffer to provider in case
   of applying error
 - return 0 from server_state::on_apply() if error voting confirmed
   consistency
 - remove fragments and rollback after fragment applying failure
 - always release streaming applier on commit or rollback
This commit is contained in:
Alexey Yurchenko
2019-04-30 19:00:48 +03:00
parent fd66bdef0b
commit 0f676bd893
22 changed files with 470 additions and 187 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
dbsim/db_high_priority_service.cpp
View File

@ -1,5 +1,5 @@
/*
* Copyright (C) 2018 Codership Oy <info@codership.com>
* Copyright (C) 2018-2019 Codership Oy <info@codership.com>
*
* This file is part of wsrep-lib.
*
@ -47,7 +47,8 @@ int db::high_priority_service::adopt_transaction(const wsrep::transaction&)
int db::high_priority_service::apply_write_set(
const wsrep::ws_meta&,
const wsrep::const_buffer&)
const wsrep::const_buffer&,
wsrep::mutable_buffer&)
{
client_.se_trx_.start(&client_);
client_.se_trx_.apply(client_.client_state().transaction());
@ -56,7 +57,8 @@ int db::high_priority_service::apply_write_set(
int db::high_priority_service::apply_toi(
const wsrep::ws_meta&,
const wsrep::const_buffer&)
const wsrep::const_buffer&,
wsrep::mutable_buffer&)
{
throw wsrep::not_implemented_error();
}
@ -84,6 +86,11 @@ int db::high_priority_service::rollback(const wsrep::ws_handle& ws_handle,
return ret;
}
void db::high_priority_service::adopt_apply_error(wsrep::mutable_buffer& err)
{
client_.client_state_.adopt_apply_error(err);
}
void db::high_priority_service::after_apply()
{
client_.client_state_.after_applying();
@ -91,17 +98,22 @@ void db::high_priority_service::after_apply()
int db::high_priority_service::log_dummy_write_set(
const wsrep::ws_handle& ws_handle,
const wsrep::ws_meta& ws_meta)
const wsrep::ws_meta& ws_meta,
wsrep::mutable_buffer& err)
{
int ret(client_.client_state_.start_transaction(ws_handle, ws_meta));
assert(ret == 0);
client_.client_state_.prepare_for_ordering(ws_handle, ws_meta, true);
ret = client_.client_state_.before_commit();
assert(ret == 0);
ret = client_.client_state_.ordered_commit();
assert(ret == ret);
ret = client_.client_state_.after_commit();
assert(ret == 0);
if (ws_meta.ordered())
{
client_.client_state_.adopt_apply_error(err);
client_.client_state_.prepare_for_ordering(ws_handle, ws_meta, true);
ret = client_.client_state_.before_commit();
assert(ret == 0);
ret = client_.client_state_.ordered_commit();
assert(ret == 0);
ret = client_.client_state_.after_commit();
assert(ret == 0);
}
client_.client_state_.after_applying();
return ret;
}