1 files changed, 137 insertions, 0 deletions
diff --git a/wsrep-lib/dbsim/db_high_priority_service.cpp b/wsrep-lib/dbsim/db_high_priority_service.cpp
new file mode 100644
index 00000000..669fe502
--- /dev/null
+++ b/wsrep-lib/dbsim/db_high_priority_service.cpp
@@ -0,0 +1,137 @@
+/*
+ * Copyright (C) 2018-2019 Codership Oy <info@codership.com>
+ *
+ * This file is part of wsrep-lib.
+ *
+ * Wsrep-lib is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Wsrep-lib is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with wsrep-lib.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "db_high_priority_service.hpp"
+#include "db_server.hpp"
+#include "db_client.hpp"
+
+db::high_priority_service::high_priority_service(
+    db::server& server, db::client& client)
+    : wsrep::high_priority_service(server.server_state())
+    , server_(server)
+    , client_(client)
+{ }
+
+int db::high_priority_service::start_transaction(
+    const wsrep::ws_handle& ws_handle,
+    const wsrep::ws_meta& ws_meta)
+{
+    return client_.client_state().start_transaction(ws_handle, ws_meta);
+}
+
+int db::high_priority_service::next_fragment(const wsrep::ws_meta& ws_meta)
+{
+    return client_.client_state().next_fragment(ws_meta);
+}
+
+const wsrep::transaction& db::high_priority_service::transaction() const
+{
+    return client_.client_state().transaction();
+}
+
+int db::high_priority_service::adopt_transaction(const wsrep::transaction&)
+{
+    throw wsrep::not_implemented_error();
+}
+
+int db::high_priority_service::apply_write_set(
+    const wsrep::ws_meta&,
+    const wsrep::const_buffer&,
+    wsrep::mutable_buffer&)
+{
+    client_.se_trx_.start(&client_);
+    client_.se_trx_.apply(client_.client_state().transaction());
+    return 0;
+}
+
+int db::high_priority_service::apply_toi(
+    const wsrep::ws_meta&,
+    const wsrep::const_buffer&,
+    wsrep::mutable_buffer&)
+{
+    throw wsrep::not_implemented_error();
+}
+
+int db::high_priority_service::apply_nbo_begin(
+    const wsrep::ws_meta&,
+    const wsrep::const_buffer&,
+    wsrep::mutable_buffer&)
+{
+    throw wsrep::not_implemented_error();
+}
+
+int db::high_priority_service::commit(const wsrep::ws_handle& ws_handle,
+                                      const wsrep::ws_meta& ws_meta)
+{
+    client_.client_state_.prepare_for_ordering(ws_handle, ws_meta, true);
+    int ret(client_.client_state_.before_commit());
+    if (ret == 0) client_.se_trx_.commit(ws_meta.gtid());
+    ret = ret || client_.client_state_.ordered_commit();
+    ret = ret || client_.client_state_.after_commit();
+    return ret;
+}
+
+int db::high_priority_service::rollback(const wsrep::ws_handle& ws_handle,
+                                        const wsrep::ws_meta& ws_meta)
+{
+    client_.client_state_.prepare_for_ordering(ws_handle, ws_meta, false);
+    int ret(client_.client_state_.before_rollback());
+    assert(ret == 0);
+    client_.se_trx_.rollback();
+    ret = client_.client_state_.after_rollback();
+    assert(ret == 0);
+    return ret;
+}
+
+void db::high_priority_service::adopt_apply_error(wsrep::mutable_buffer& err)
+{
+    client_.client_state_.adopt_apply_error(err);
+}
+
+void db::high_priority_service::after_apply()
+{
+    client_.client_state_.after_applying();
+}
+
+int db::high_priority_service::log_dummy_write_set(
+    const wsrep::ws_handle& ws_handle,
+    const wsrep::ws_meta& ws_meta,
+    wsrep::mutable_buffer& err)
+{
+    int ret(client_.client_state_.start_transaction(ws_handle, ws_meta));
+    assert(ret == 0);
+    if (ws_meta.ordered())
+    {
+        client_.client_state_.adopt_apply_error(err);
+        client_.client_state_.prepare_for_ordering(ws_handle, ws_meta, true);
+        ret = client_.client_state_.before_commit();
+        assert(ret == 0);
+        ret = client_.client_state_.ordered_commit();
+        assert(ret == 0);
+        ret = client_.client_state_.after_commit();
+        assert(ret == 0);
+    }
+    client_.client_state_.after_applying();
+    return ret;
+}
+
+bool db::high_priority_service::is_replaying() const
+{
+    return false;
+}