67 lines
2.4 KiB
C
67 lines
2.4 KiB
C
/* replication_cursor.h - definition for the psycopg replication cursor type
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*
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* Copyright (C) 2015-2019 Daniele Varrazzo <daniele.varrazzo@gmail.com>
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* Copyright (C) 2020-2021 The Psycopg Team
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*
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* This file is part of psycopg.
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*
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* psycopg2 is free software: you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published
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* by the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* In addition, as a special exception, the copyright holders give
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* permission to link this program with the OpenSSL library (or with
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* modified versions of OpenSSL that use the same license as OpenSSL),
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* and distribute linked combinations including the two.
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*
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* You must obey the GNU Lesser General Public License in all respects for
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* all of the code used other than OpenSSL.
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*
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* psycopg2 is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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* License for more details.
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*/
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#ifndef PSYCOPG_REPLICATION_CURSOR_H
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#define PSYCOPG_REPLICATION_CURSOR_H 1
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#include "psycopg/cursor.h"
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#include "libpq_support.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern HIDDEN PyTypeObject replicationCursorType;
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typedef struct replicationCursorObject {
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cursorObject cur;
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int consuming:1; /* if running the consume loop */
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int decode:1; /* if we should use character decoding on the messages */
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struct timeval last_io; /* timestamp of the last exchange with the server */
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struct timeval status_interval; /* time between status packets sent to the server */
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XLogRecPtr write_lsn; /* LSNs for replication feedback messages */
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XLogRecPtr flush_lsn;
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XLogRecPtr apply_lsn;
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XLogRecPtr wal_end; /* WAL end pointer from the last exchange with the server */
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XLogRecPtr last_msg_data_start; /* WAL pointer to the last non-keepalive message from the server */
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struct timeval last_feedback; /* timestamp of the last feedback message to the server */
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XLogRecPtr explicitly_flushed_lsn; /* the flush LSN explicitly set by the send_feedback call */
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} replicationCursorObject;
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RAISES_NEG HIDDEN int repl_curs_datetime_init(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* !defined(PSYCOPG_REPLICATION_CURSOR_H) */
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