/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 2022 Olaf Wintermann. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef WS_PG_RESOURCE_H
#define WS_PG_RESOURCE_H
#include "../../public/nsapi.h"
#include <libpq-fe.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct PgResourcePool {
/*
* ResourcePool parameters
*/
pblock *param;
/*
* Cfg memorypool
*/
pool_handle_t *pool;
/*
* ResourcePool name
*/
const char *name;
/*
* connection string used for PQconnectdb
*/
char *connection;
} PgResourcePool;
typedef struct PgResource {
PGconn *connection;
} PgResource;
ResourceType* pg_get_resource_type(void);
void * pg_resourcepool_init(pool_handle_t *pool, const char *rpname, pblock *pb);
void pg_resourcepool_destroy(PgResourcePool *pg);
void * pg_resourcepool_createresource(PgResourcePool *pg);
void pg_resourcepool_freeresource(PgResourcePool *pg, PgResource *res);
int pg_resourcepool_prepare(PgResourcePool *pg, PgResource *res);
int pg_resourcepool_finish(PgResourcePool *pg, PgResource *res);
void * pg_resourcepool_getresourcedata(PgResource *res);
/*
* checks if conn is a working connection and logs an error message if not
* conn can be null (resulting in an error message)
* if conn is not null but the status is not CONNECTION_OK,
* conn will be destroyed
*/
int pg_check_connection(int loglevel, const char *rpname, PGconn *connection);
#ifdef __cplusplus
}
#endif
#endif /* WS_PG_RESOURCE_H */