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https://github.com/EnterpriseDB/repmgr.git
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a82d37e48a
To handle cascaded replication we're going to have to keep track
of each node's upstream node. Also enumerate the node type
("primary", "standby" or "witness") and mark if active.
58 lines
2.1 KiB
C
58 lines
2.1 KiB
C
/*
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* dbutils.h
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* Copyright (c) 2ndQuadrant, 2010-2015
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* 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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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef _REPMGR_DBUTILS_H_
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#define _REPMGR_DBUTILS_H_
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#include "strutil.h"
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PGconn *establish_db_connection(const char *conninfo,
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const bool exit_on_error);
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PGconn *establish_db_connection_by_params(const char *keywords[],
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const char *values[],
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const bool exit_on_error);
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bool check_cluster_schema(PGconn *conn);
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int is_standby(PGconn *conn);
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int is_witness(PGconn *conn,char *cluster, int node_id);
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bool is_pgup(PGconn *conn, int timeout);
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int get_primary_node_id(PGconn *conn, char *cluster);
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int get_server_version(PGconn *conn, char *server_version);
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bool get_cluster_size(PGconn *conn, char *size);
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bool get_pg_setting(PGconn *conn, const char *setting, char *output);
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int guc_set(PGconn *conn, const char *parameter, const char *op,
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const char *value);
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int guc_set_typed(PGconn *conn, const char *parameter, const char *op,
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const char *value, const char *datatype);
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PGconn *get_upstream_connection(PGconn *standby_conn, char *cluster,
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int node_id,
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int *upstream_node_id_ptr,
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char *upstream_conninfo_out);
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PGconn *get_master_connection(PGconn *standby_conn, char *cluster,
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int *master_id, char *master_conninfo_out);
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int wait_connection_availability(PGconn *conn, long long timeout);
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bool cancel_query(PGconn *conn, int timeout);
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char *get_repmgr_schema(void);
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char *get_repmgr_schema_quoted(PGconn *conn);
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#endif
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