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TOI replicating and applying codepaths

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This commit is contained in:
Teemu Ollakka
2018-06-25 09:28:51 +03:00
parent 6a369a5d0e
commit cad9176474
11 changed files with 324 additions and 169 deletions
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48
src/client_state.cpp
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@@ -242,12 +242,14 @@ int wsrep::client_state::enter_toi(const wsrep::key_array& keys,
int flags)
{
assert(state_ == s_exec);
assert(mode_ == m_replicating);
int ret;
switch (provider().enter_toi(id_, keys, buffer, toi_meta_, flags))
{
case wsrep::provider::success:
{
wsrep::unique_lock<wsrep::mutex> lock(mutex_);
toi_mode_ = mode_;
mode(lock, m_toi);
ret = 0;
break;
@@ -260,22 +262,38 @@ int wsrep::client_state::enter_toi(const wsrep::key_array& keys,
return ret;
}
int wsrep::client_state::enter_toi(const wsrep::ws_meta& ws_meta)
{
wsrep::unique_lock<wsrep::mutex> lock(mutex_);
assert(mode_ == m_high_priority);
toi_mode_ = mode_;
mode(lock, m_toi);
toi_meta_ = ws_meta;
return 0;
}
int wsrep::client_state::leave_toi()
{
int ret;
switch (provider().leave_toi(id_))
if (toi_mode_ == m_replicating)
{
case wsrep::provider::success:
ret = 0;
break;
default:
assert(0);
override_error(wsrep::e_error_during_commit);
ret = 1;
break;
switch (provider().leave_toi(id_))
{
case wsrep::provider::success:
ret = 0;
break;
default:
assert(0);
override_error(wsrep::e_error_during_commit);
ret = 1;
break;
}
}
wsrep::unique_lock<wsrep::mutex> lock(mutex_);
mode(lock, m_replicating);
mode(lock, toi_mode_);
toi_mode_ = m_local;
toi_meta_ = wsrep::ws_meta();
return ret;
}
// Private
@@ -326,11 +344,11 @@ void wsrep::client_state::mode(
{
assert(lock.owns_lock());
static const char allowed[mode_max_][mode_max_] =
{
{ 0, 0, 0, 0}, /* local */
{ 0, 0, 1, 1}, /* repl */
{ 0, 1, 0, 0}, /* high prio */
{ 0, 1, 0, 0} /* toi */
{ /* l r h t */
{ 0, 0, 0, 0 }, /* local */
{ 0, 0, 1, 1 }, /* repl */
{ 0, 1, 0, 1 }, /* high prio */
{ 0, 1, 1, 0 } /* toi */
};
if (allowed[mode_][mode])
{