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/* replication_cursor.h - definition for the psycopg replication cursor type
*
* Copyright (C) 2015-2019 Daniele Varrazzo <daniele.varrazzo@gmail.com>
* Copyright (C) 2020-2021 The Psycopg Team
*
* This file is part of psycopg.
*
* psycopg2 is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* In addition, as a special exception, the copyright holders give
* permission to link this program with the OpenSSL library (or with
* modified versions of OpenSSL that use the same license as OpenSSL),
* and distribute linked combinations including the two.
*
* You must obey the GNU Lesser General Public License in all respects for
* all of the code used other than OpenSSL.
*
* psycopg2 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 Lesser General Public
* License for more details.
*/
#ifndef PSYCOPG_REPLICATION_CURSOR_H
#define PSYCOPG_REPLICATION_CURSOR_H 1
#include "psycopg/cursor.h"
#include "libpq_support.h"
#ifdef __cplusplus
extern "C" {
#endif
extern HIDDEN PyTypeObject replicationCursorType;
typedef struct replicationCursorObject {
cursorObject cur;
int consuming:1; /* if running the consume loop */
int decode:1; /* if we should use character decoding on the messages */
struct timeval last_io; /* timestamp of the last exchange with the server */
struct timeval status_interval; /* time between status packets sent to the server */
XLogRecPtr write_lsn; /* LSNs for replication feedback messages */
XLogRecPtr flush_lsn;
XLogRecPtr apply_lsn;
XLogRecPtr wal_end; /* WAL end pointer from the last exchange with the server */
XLogRecPtr last_msg_data_start; /* WAL pointer to the last non-keepalive message from the server */
struct timeval last_feedback; /* timestamp of the last feedback message to the server */
XLogRecPtr explicitly_flushed_lsn; /* the flush LSN explicitly set by the send_feedback call */
} replicationCursorObject;
RAISES_NEG HIDDEN int repl_curs_datetime_init(void);
#ifdef __cplusplus
}
#endif
#endif /* !defined(PSYCOPG_REPLICATION_CURSOR_H) */
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