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codership/wsrep-lib#104 Error voting support

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- 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
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17
src/wsrep_provider_v26.cpp
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@ -788,13 +788,18 @@ wsrep::wsrep_provider_v26::commit_order_enter(
wsrep_->commit_order_enter(wsrep_, cwsh.native(), cwsm.native()));
}
int wsrep::wsrep_provider_v26::commit_order_leave(
int
wsrep::wsrep_provider_v26::commit_order_leave(
const wsrep::ws_handle& ws_handle,
const wsrep::ws_meta& ws_meta)
const wsrep::ws_meta& ws_meta,
const wsrep::mutable_buffer& err)
{
const_ws_handle cwsh(ws_handle);
const_ws_meta cwsm(ws_meta);
return (wsrep_->commit_order_leave(wsrep_, cwsh.native(), cwsm.native(), 0) != WSREP_OK);
wsrep_buf_t const err_buf = { err.data(), err.size() };
int ret(wsrep_->commit_order_leave(
wsrep_, cwsh.native(), cwsm.native(), &err_buf) != WSREP_OK);
return ret;
}
int wsrep::wsrep_provider_v26::release(wsrep::ws_handle& ws_handle)
@ -851,10 +856,12 @@ wsrep::wsrep_provider_v26::enter_toi(
}
enum wsrep::provider::status
wsrep::wsrep_provider_v26::leave_toi(wsrep::client_id client_id)
wsrep::wsrep_provider_v26::leave_toi(wsrep::client_id client_id,
const wsrep::mutable_buffer& err)
{
const wsrep_buf_t err_buf = { err.data(), err.size() };
return map_return_value(wsrep_->to_execute_end(
wsrep_, client_id.get(), 0));
wsrep_, client_id.get(), &err_buf));
}
std::pair<wsrep::gtid, enum wsrep::provider::status>