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#ifndef DRIZZLED_PLUGIN_REPLICATOR_H
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#define DRIZZLED_PLUGIN_REPLICATOR_H
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* Defines the API for Replication
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* Base class for replication implementations.
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* if a method returns bool true, that means it failed.
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typedef struct replicator_st
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virtual bool session_init_hook(Session *) { return false; }
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virtual bool row_insert_hook(Session *, Table *) { return false; }
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virtual bool row_update_hook(Session *, Table *,
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const unsigned char *,
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const unsigned char *) { return false; }
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virtual bool row_delete_hook(Session *, Table *) { return false; }
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virtual bool end_transaction_hook(Session *, bool, bool) { return false; }
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virtual bool statement_hook(Session *, const char *, size_t) { return false; }
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Replicator() : enabled(true) {}
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virtual ~Replicator() {}
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* Initialize session for replication
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bool session_init(Session *session)
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return session_init_hook(session);
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* @param current Session
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* @param Table inserted
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bool row_insert(Session *session, Table *table)
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return row_insert_hook(session, table);
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* @param current Session
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* @param Table updated
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* @param before values
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bool row_update(Session *session, Table *table,
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const unsigned char *before,
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const unsigned char *after)
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return row_update_hook(session, table, before, after);
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* @param current session
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* @param Table deleted from
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bool row_delete(Session *session, Table *table)
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return row_delete_hook(session, table);
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* @param current Session
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* @param is autocommit on?
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* @param did the transaction commit?
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bool end_transaction(Session *session, bool autocommit, bool commit)
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return end_transaction_hook(session, autocommit, commit);
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* @param current Session
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* @param query string
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* @param length of query string in bytes
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bool statement(Session *session, const char *query, size_t query_length)
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return statement_hook(session, query, query_length);
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/* todo, define this api */
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/* this is the API that a replicator plugin must implement.
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it should implement each of these function pointers.
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if a function returns bool true, that means it failed.
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if a function pointer is NULL, that's ok.
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bool (*replicator_func1)(Session *session, void *parm1, void *parm2);
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bool (*replicator_func2)(Session *session, void *parm3, void *parm4);
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#endif /* DRIZZLED_PLUGIN_REPLICATOR_H */