osd-contiki/platform/avr-raven/apps/raven-webserver/httpd-fs.h

87 lines
3.2 KiB
C

/*
* Copyright (c) 2001, Swedish Institute of Computer Science.
* 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.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE 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 INSTITUTE 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.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef __HTTPD_FS_H__
#define __HTTPD_FS_H__
#include "contiki-net.h"
//#define HTTPD_FS_STATISTICS 1 //Puts count in file system
#define HTTPD_FS_STATISTICS 2 //Puts count in RAM array
#if HTTPD_FS_STATISTICS==2
extern uint16_t httpd_filecount[];
#endif /* HTTPD_FS_STATISTICS */
#include <avr/pgmspace.h>
#if COFFEE_FILES
#include "cfs-coffee-arch.h"
#include <string.h>
#endif
struct httpd_fs_file {
char *data;
int len;
};
/* Initialize the file system and set statistics to zero */
void httpd_fs_init(void);
/* Returns root of http files in program flash */
void* httpd_fs_get_root();
/* Returns size of http files in any flash */
uint16_t httpd_fs_get_size();
/* Open a file in any flash and return statistics if enabled.
If file is allocated by caller it will be filled in.
If NULL, just file stats are returned.
*/
uint16_t httpd_fs_open(const char *name, struct httpd_fs_file *file);
#if COFFEE_FILES
/* Coffee file system can be static or dynamic. If static, new files
can not be created and rewrites of an existing file can not be
made beyond the initial allocation.
*/
#define httpd_fs_cpy avr_httpd_fs_cpy
#define httpd_fs_getchar avr_httpd_fs_getchar
#define httpd_fs_strcmp avr_httpd_fs_strcmp
#define httpd_fs_strchr avr_httpd_fs_strchr
#else
/* These will fail if the web content is above 64K in program flash */
#define httpd_fs_cpy memcpy_P
#define httpd_fs_strcmp strcmp_P
#define httpd_fs_strchr strchr_P
#define httpd_fs_getchar(x) pgm_read_byte(x)
#endif
#endif /* __HTTPD_FS_H__ */