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https://github.com/codership/wsrep-lib.git
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Provided methods to clone subset of transaction state for replay.
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@ -489,6 +489,31 @@ namespace wsrep
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transaction_.adopt(transaction);
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}
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/**
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* Clone enough state from another transaction so that replaing will
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* be possible with a transaction contained in this client state.
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* Method after_replay() must be used to inject the state after
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* replaying back to this client state.
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*
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* @param transaction Transaction which is to be replied in this
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* client state
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*/
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void clone_transaction_for_replay(const wsrep::transaction& transaction)
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{
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// assert(mode_ == m_high_priority);
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transaction_.clone_for_replay(transaction);
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}
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/**
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* Copy state from another transaction context after replay.
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*
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* @param transaction Transaction which was used for replaying.
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*/
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void after_replay(const wsrep::transaction& transaction)
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{
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transaction_.after_replay(transaction);
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}
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/** @name Non-transactional operations */
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/** @{*/
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@ -168,6 +168,11 @@ namespace wsrep
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wsrep::seqno bf_seqno);
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bool total_order_bf_abort(wsrep::unique_lock<wsrep::mutex>&,
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wsrep::seqno bf_seqno);
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void clone_for_replay(const wsrep::transaction& other);
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void after_replay(const wsrep::transaction& other);
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bool bf_aborted() const
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{
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return (bf_abort_client_state_ != 0);
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@ -935,6 +935,24 @@ bool wsrep::transaction::total_order_bf_abort(
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return ret;
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}
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void wsrep::transaction::clone_for_replay(const wsrep::transaction& other)
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{
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assert(other.state() == s_replaying);
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id_ = other.id_;
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ws_handle_ = other.ws_handle_;
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ws_meta_ = other.ws_meta_;
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streaming_context_ = other.streaming_context_;
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state_ = s_replaying;
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}
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void wsrep::transaction::after_replay(const wsrep::transaction& other)
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{
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// Other must have been terminated
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assert(other.state() == s_committed || other.state() == s_aborted);
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state_ = other.state();
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clear_fragments();
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}
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////////////////////////////////////////////////////////////////////////////////
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// Private //
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////////////////////////////////////////////////////////////////////////////////
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