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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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15
test/mock_provider.hpp
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@ -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.
*
@ -172,12 +172,15 @@ namespace wsrep
}
int 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)
WSREP_OVERRIDE
{
BOOST_REQUIRE(ws_handle.opaque());
BOOST_REQUIRE(ws_meta.seqno().is_undefined() == false);
return commit_order_leave_result_;
return err.size() > 0 ?
wsrep::provider::error_fatal :
commit_order_leave_result_;
}
int release(wsrep::ws_handle& )
@ -195,7 +198,8 @@ namespace wsrep
wsrep::mock_high_priority_service& high_priority_service(
*static_cast<wsrep::mock_high_priority_service*>(hps));
wsrep::mock_client_state& cc(
*high_priority_service.client_state());
static_cast<wsrep::mock_client_state&>(
high_priority_service.client_state()));
wsrep::high_priority_context high_priority_context(cc);
const wsrep::transaction& tc(cc.transaction());
wsrep::ws_meta ws_meta;
@ -238,7 +242,8 @@ namespace wsrep
int)
WSREP_OVERRIDE
{ return wsrep::provider::success; }
enum wsrep::provider::status leave_toi(wsrep::client_id)
enum wsrep::provider::status leave_toi(wsrep::client_id,
const wsrep::mutable_buffer&)
WSREP_OVERRIDE
{ return wsrep::provider::success; }