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22d7a31d81
* Enable codepath to BF abort high priority SR applier * Pass ws_handle, ws_meta to high priority service rollback call to allow total ordering of rollback process
52 lines
1.9 KiB
C++
52 lines
1.9 KiB
C++
//
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// Copyright (C) 2018 Codership Oy <info@codership.com>
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//
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#ifndef WSREP_DB_HIGH_PRIORITY_SERVICE_HPP
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#define WSREP_DB_HIGH_PRIORITY_SERVICE_HPP
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#include "wsrep/high_priority_service.hpp"
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namespace db
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{
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class server;
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class client;
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class high_priority_service : public wsrep::high_priority_service
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{
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public:
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high_priority_service(db::server& server, db::client& client);
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int start_transaction(const wsrep::ws_handle&,
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const wsrep::ws_meta&) override;
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const wsrep::transaction& transaction() const override;
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void adopt_transaction(const wsrep::transaction&) override;
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int apply_write_set(const wsrep::ws_meta&,
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const wsrep::const_buffer&) override;
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int append_fragment_and_commit(
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const wsrep::ws_handle&,
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const wsrep::ws_meta&, const wsrep::const_buffer&)
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override
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{ return 0; }
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int remove_fragments(const wsrep::ws_meta&) override
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{ return 0; }
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int commit(const wsrep::ws_handle&, const wsrep::ws_meta&) override;
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int rollback(const wsrep::ws_handle&, const wsrep::ws_meta&) override;
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int apply_toi(const wsrep::ws_meta&, const wsrep::const_buffer&) override;
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void after_apply() override;
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void store_globals() override { }
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void reset_globals() override { }
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void switch_execution_context(wsrep::high_priority_service&) override
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{ }
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int log_dummy_write_set(const wsrep::ws_handle&,
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const wsrep::ws_meta&)
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{ return 0; }
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bool is_replaying() const;
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private:
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high_priority_service(const high_priority_service&);
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high_priority_service& operator=(const high_priority_service&);
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db::server& server_;
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db::client& client_;
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};
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}
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#endif // WSREP_DB_HIGH_PRIORITY_SERVICE_HPP
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