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/*
Copyright (c) 2012 Gluster, Inc. <http://www.gluster.com>
This file is part of GlusterFS.
GlusterFS 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; either version 3 of the License,
or (at your option) any later version.
GlusterFS 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, see
<http://www.gnu.org/licenses/>.
*/
#ifndef _CB_H
#define _CB_H
#include "common-utils.h"
#include "logging.h"
#include "mem-types.h"
#define BUFFER_SIZE 10
#define TOTAL_SIZE BUFFER_SIZE + 1
struct _circular_buffer {
struct timeval tv;
void *data;
};
typedef struct _circular_buffer circular_buffer_t;
struct _buffer {
unsigned int w_index;
size_t size_buffer;
gf_boolean_t use_once;
/* This variable is assigned the proper value at the time of initing */
/* the buffer. It indicates, whether the buffer should be used once */
/* it becomes full. */
int used_len;
/* indicates the amount of circular buffer used. */
circular_buffer_t **cb;
pthread_mutex_t lock;
};
typedef struct _buffer buffer_t;
int
cb_add_entry_buffer (buffer_t *buffer, void *item);
void
cb_buffer_show (buffer_t *buffer);
buffer_t *
cb_buffer_new (size_t buffer_size,gf_boolean_t use_buffer_once);
void
cb_buffer_destroy (buffer_t *buffer);
void
cb_buffer_dump (buffer_t *buffer, void *data,
int (fn) (circular_buffer_t *buffer, void *data));
#endif /* _CB_H */
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