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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* Cherokee
*
* Authors:
* Alvaro Lopez Ortega <alvaro@alobbs.com>
*
* Copyright (C) 2001-2011 Alvaro Lopez Ortega
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*
* 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 Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
#if !defined (CHEROKEE_INSIDE_CHEROKEE_H) && !defined (CHEROKEE_COMPILATION)
# error "Only <cherokee/cherokee.h> can be included directly, this file may disappear or change contents."
#endif
#ifndef CHEROKEE_IOCACHE_H
#define CHEROKEE_IOCACHE_H
#include <cherokee/common.h>
#include <cherokee/server.h>
#include <cherokee/cache.h>
#include <cherokee/config_node.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
typedef struct {
cherokee_cache_t cache;
/* Limits */
cuint_t max_file_size;
cuint_t min_file_size;
cuint_t lasting_mmap;
cuint_t lasting_stat;
} cherokee_iocache_t;
typedef enum {
iocache_nothing = 0,
iocache_stat = 1,
iocache_mmap = 1 << 1
} cherokee_iocache_info_t;
typedef struct {
/* Inheritance */
cherokee_cache_entry_t base;
cherokee_iocache_info_t info;
/* Information to cache */
struct stat state;
ret_t state_ret;
void *mmaped;
size_t mmaped_len;
} cherokee_iocache_entry_t;
#define IOCACHE(x) ((cherokee_iocache_t *)(x))
#define IOCACHE_ENTRY(x) ((cherokee_iocache_entry_t *)(x))
/* I/O cache
*/
ret_t cherokee_iocache_new (cherokee_iocache_t **iocache);
ret_t cherokee_iocache_free (cherokee_iocache_t *iocache);
ret_t cherokee_iocache_init (cherokee_iocache_t *iocache);
ret_t cherokee_iocache_mrproper (cherokee_iocache_t *iocache);
ret_t cherokee_iocache_configure (cherokee_iocache_t *iocache,
cherokee_config_node_t *conf);
/* I/O cache entry
*/
ret_t cherokee_iocache_entry_unref (cherokee_iocache_entry_t **entry);
/* Autoget: Get or Update
*/
ret_t cherokee_iocache_autoget (cherokee_iocache_t *iocache,
cherokee_buffer_t *file,
cherokee_iocache_info_t info,
cherokee_iocache_entry_t **ret_io);
ret_t cherokee_iocache_autoget_fd (cherokee_iocache_t *iocache,
cherokee_buffer_t *file,
cherokee_iocache_info_t info,
int *fd,
cherokee_iocache_entry_t **ret_io);
/* Misc */
ret_t cherokee_iocache_get_mmaped_size (cherokee_iocache_t *iocache, size_t *total);
#endif /* CHEROKEE_IOCACHE_H */
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