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Handle disconnecting state in on_sync()

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When disconnecting from the group, the sync event from the
provider must not change the state back to synced.
This commit is contained in:
Teemu Ollakka
2022-05-25 07:39:43 +03:00
parent 7498ed424a
commit bfc5a8f6ee
2 changed files with 14 additions and 1 deletions
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4
src/server_state.cpp
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@ -1051,6 +1051,8 @@ void wsrep::server_state::on_sync()
{
switch (state_)
{
case s_disconnecting:
break;
case s_synced:
break;
case s_connected: // Seed node path: provider becomes
@ -1077,7 +1079,7 @@ void wsrep::server_state::on_sync()
// Calls to on_sync() in synced state are possible if
// server desyncs itself from the group. Provider does not
// inform about this through callbacks.
if (state_ != s_synced)
if (state_ != s_synced && state_ != s_disconnecting)
{
state(lock, s_synced);
}

11
test/server_context_test.cpp
View File

@ -935,3 +935,14 @@ BOOST_FIXTURE_TEST_CASE(server_state_xa_not_orphaned,
BOOST_REQUIRE(not ss.find_streaming_applier(
meta_commit_s3.server_id(), meta_commit_s3.transaction_id()));
}
BOOST_FIXTURE_TEST_CASE(server_state_sync_in_disconnecting,
sst_first_server_fixture)
{
bootstrap();
ss.disconnect();
BOOST_REQUIRE(ss.state() == wsrep::server_state::s_disconnecting);
// Synced event from the provider must not change the state.
ss.on_sync();
BOOST_REQUIRE(ss.state() == wsrep::server_state::s_disconnecting);
}