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/*
This file is part of GNUnet
Copyright (C) 2017, 2019 GNUnet e.V.
GNUnet is free software: you can redistribute it and/or modify it
under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License,
or (at your option) any later version.
GNUnet 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
Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
SPDX-License-Identifier: AGPL3.0-or-later
*/
/**
* @file pq/pq.h
* @brief shared internal data structures of libgnunetpq
* @author Christian Grothoff
*/
#ifndef PQ_H
#define PQ_H
#include "gnunet_util_lib.h"
#include "gnunet_pq_lib.h"
/**
* Handle to Postgres database.
*/
struct GNUNET_PQ_Context
{
/**
* Actual connection.
*/
PGconn *conn;
/**
* Statements to execute upon connection.
*/
struct GNUNET_PQ_ExecuteStatement *es;
/**
* Prepared statements.
*/
struct GNUNET_PQ_PreparedStatement *ps;
/**
* Length of the @e ps array.
*/
unsigned int ps_len;
/**
* Last used offset in the @e ps array.
*/
unsigned int ps_off;
/**
* Configuration to use to connect to the DB.
*/
char *config_str;
/**
* Path to load SQL files from.
*/
char *load_path;
/**
* Suffix to append to path to load on startup.
*/
char *auto_suffix;
/**
* Map managing event subscriptions.
*/
struct GNUNET_CONTAINER_MultiShortmap *channel_map;
/**
* Task responsible for processing events.
*/
struct GNUNET_SCHEDULER_Task *event_task;
/**
* File descriptor wrapper for @e event_task.
*/
struct GNUNET_NETWORK_Handle *rfd;
/**
* How fast should we resubscribe again?
*/
struct GNUNET_TIME_Relative resubscribe_backoff;
/**
* Flags controlling the connection.
*/
enum GNUNET_PQ_Options flags;
/**
* Mapping between array types and Oid's, filled at reconnect
*/
Oid arraytype2oid[GNUNET_PQ_ARRAY_MAX];
};
/**
* Internal API. Reconnect should re-register notifications
* after a disconnect.
*
* @param db the DB handle
* @param fd socket to listen on
*/
void
GNUNET_PQ_event_reconnect_ (struct GNUNET_PQ_Context *db,
int fd);
#endif
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