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/* $%BEGINLICENSE%$
Copyright (c) 2008, 2009, Oracle and/or its affiliates. All rights reserved.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; version 2 of the
License.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
02110-1301 USA
$%ENDLICENSE%$ */
#ifndef _BACKEND_H_
#define _BACKEND_H_
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "network-conn-pool.h"
#include "chassis-mainloop.h"
#include "network-exports.h"
typedef enum {
BACKEND_STATE_UNKNOWN,
BACKEND_STATE_UP,
BACKEND_STATE_DOWN
} backend_state_t;
typedef enum {
BACKEND_TYPE_UNKNOWN,
BACKEND_TYPE_RW,
BACKEND_TYPE_RO
} backend_type_t;
typedef struct {
network_address *addr;
backend_state_t state; /**< UP or DOWN */
backend_type_t type; /**< ReadWrite or ReadOnly */
GTimeVal state_since; /**< timestamp of the last state-change */
network_connection_pool *pool; /**< the pool of open connections */
guint connected_clients; /**< number of open connections to this backend for SQF */
GString *uuid; /**< the UUID of the backend */
} network_backend_t;
typedef network_backend_t backend_t G_GNUC_DEPRECATED;
NETWORK_API network_backend_t *backend_init() G_GNUC_DEPRECATED;
NETWORK_API void backend_free(network_backend_t *b) G_GNUC_DEPRECATED;
NETWORK_API network_backend_t *network_backend_new();
NETWORK_API void network_backend_free(network_backend_t *b);
typedef struct {
GPtrArray *backends;
GMutex *backends_mutex;
GTimeVal backend_last_check;
} network_backends_t;
NETWORK_API network_backends_t *network_backends_new();
NETWORK_API void network_backends_free(network_backends_t *);
NETWORK_API int network_backends_add(network_backends_t *backends, /* const */ gchar *address, backend_type_t type);
NETWORK_API int network_backends_check(network_backends_t *backends);
NETWORK_API network_backend_t * network_backends_get(network_backends_t *backends, guint ndx);
NETWORK_API guint network_backends_count(network_backends_t *backends);
#endif /* _BACKEND_H_ */
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