lib/wsrep-lib
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Unit tests for SR with two statements, SR rollback.

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This commit is contained in:
Teemu Ollakka
2018-06-13 10:18:46 +03:00
parent 292072bf56
commit 265d9b3322
10 changed files with 140 additions and 16 deletions
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16
src/server_context.cpp
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@ -8,6 +8,7 @@
#include "wsrep/view.hpp"
#include "wsrep/logger.hpp"
#include "wsrep/compiler.hpp"
#include "wsrep/id.hpp"
#include <cassert>
#include <sstream>
@ -178,6 +179,21 @@ bool wsrep::server_context::statement_allowed_for_streaming(
return false;
}
void wsrep::server_context::insert_streaming_applier(
const wsrep::id& server_id,
const wsrep::transaction_id& transaction_id,
wsrep::client_context* client_context)
{
if (streaming_appliers_.insert(
std::make_pair(std::make_pair(server_id, transaction_id),
client_context)).second == false)
{
wsrep::log_error() << "Could not insert streaming applier";
delete client_context;
throw wsrep::fatal_error();
}
}
// Private
void wsrep::server_context::state(

25
src/transaction_context.cpp
View File

@ -367,8 +367,7 @@ int wsrep::transaction_context::before_rollback()
// Voluntary rollback
if (is_streaming())
{
// Replicate rollback fragment
provider_.rollback(id_.get());
streaming_rollback();
}
state(lock, s_aborting);
break;
@ -652,11 +651,6 @@ int wsrep::transaction_context::certify_fragment(
lock.unlock();
if (streaming_context_.fragments_certified())
{
flags_ |= wsrep::provider::flag::start_transaction;
}
wsrep::mutable_buffer data;
if (client_context_.prepare_fragment_for_replication(*this, data))
{
@ -869,6 +863,18 @@ int wsrep::transaction_context::certify_commit(
return ret;
}
void wsrep::transaction_context::streaming_rollback()
{
assert(streaming_context_.rolled_back() == false);
wsrep::client_context& applier_context(
client_context_.server_context().streaming_applier_client_context(
client_context_.server_context().id(), id()));
applier_context.adopt_transaction(*this);
streaming_context_.cleanup();
// Replicate rollback fragment
provider_.rollback(id_.get());
}
void wsrep::transaction_context::clear_fragments()
{
streaming_context_.cleanup();
@ -876,13 +882,10 @@ void wsrep::transaction_context::clear_fragments()
void wsrep::transaction_context::cleanup()
{
assert(is_streaming() == false);
debug_log_state("cleanup_enter");
id_ = wsrep::transaction_id::invalid();
ws_handle_ = wsrep::ws_handle();
if (is_streaming())
{
state_ = s_executing;
}
// Keep the state history for troubleshooting. Reset at start_transaction().
// state_hist_.clear();
ws_meta_ = wsrep::ws_meta();