fs.c

keil c编写的单片机实现web服务 包含原程序和可执行文件

/*
 * 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. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by the Swedish Institute
 *      of Computer Science and its contributors.
 * 4. 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 <[e-mail]>
 *
 * $Id: fs.c,v 1.6 2001/11/25 18:47:36 adam Exp $
 */

#include "uip.h"
#include "fs.h"
//#include "fsdata.h"

#define NULL (void *)0
#define FS_ROOT file_index_html

//#define FS_NUMFILES 10

//extern char debugStr[3000];

#ifdef FS_STATISTICS
#if FS_STATISTICS == 1
static u16_t count[FS_NUMFILES];
#endif /* FS_STATISTICS */
#endif /* FS_STATISTICS */

void fsdata_init();
#include "fsdata.c"

struct fsdata_file_noconst file_index_html;

struct fsdata_file_noconst file_cgi_stats;
struct fsdata_file_noconst file_stats_header_html;
struct fsdata_file_noconst file_stats_footer_plain;

struct fsdata_file_noconst file_cgi_tcp;
struct fsdata_file_noconst file_tcp_header_html;
struct fsdata_file_noconst file_tcp_footer_plain;

struct fsdata_file_noconst file_cgi_files;
struct fsdata_file_noconst file_files_header_html;
struct fsdata_file_noconst file_files_footer_plain;

struct fsdata_file_noconst file_cgi_thermo;
struct fsdata_file_noconst file_thermo_header_html;
struct fsdata_file_noconst file_thermo_footer_plain;


/*-----------------------------------------------------------------------------------*/
static u8_t
fs_strcmp(const char *str1, const char *str2)
{
  u8_t i;
  i = 0;
 loop:

  if(str2[i] == 0 ||
     str1[i] == '\r' ||
     str1[i] == '\n') {
    return 0;
  }

  if(str1[i] != str2[i]) {
    return 1;
  }


  ++i;
  goto loop;
}
/*-----------------------------------------------------------------------------------*/
int
fs_open(const char *name, struct fs_file *file)
{
#ifdef FS_STATISTICS
#if FS_STATISTICS == 1
  u16_t i;
#endif /* FS_STATISTICS */
#endif /* FS_STATISTICS */
  struct fsdata_file_noconst *f;

 i = 0;
 for(f = FS_ROOT;
     f != NULL;
     f = f->next) {
    if(fs_strcmp(name, f->f_name) == 0) {
	  //strcat(debugStr,"Found ");
	  //strcat(debugStr,f->f_name);
      file->data = f->f_data;
      file->datalen = f->f_len;
#ifdef FS_STATISTICS
#if FS_STATISTICS == 1
      ++count[i];
#endif  /* FS_STATISTICS */
#endif  /* FS_STATISTICS */
      return 1;
   }
#ifdef FS_STATISTICS
#if FS_STATISTICS == 1
    ++i;
#endif  /* FS_STATISTICS */
#endif /* FS_STATISTICS */

  }
  return 1;
}
/*-----------------------------------------------------------------------------------*/
void
fs_init(void)
{
#ifdef FS_STATISTICS
#if FS_STATISTICS == 1
  u16_t i;
  for(i = 0; i < FS_NUMFILES; i++) {
    count[i] = 0;
  }
#endif /* FS_STATISTICS */
#endif /* FS_STATISTICS */

  fsdata_init();
}
/*-----------------------------------------------------------------------------------*/
#ifdef FS_STATISTICS
#if FS_STATISTICS == 1
u16_t fs_count
(char *name)
{
  struct fsdata_file_noconst *f;
  u16_t i;

  i = 0;
  for(f = FS_ROOT;
      f != NULL;
      f = f->next) {
    if(fs_strcmp(name, f->f_name) == 0) {
      return count[i];
    }
    ++i;
  }
  return 0;
}
#endif /* FS_STATISTICS */
#endif /* FS_STATISTICS */
/*-----------------------------------------------------------------------------------*/
void fsdata_init()
{
	file_tcp_footer_plain.next = NULL;
    file_tcp_footer_plain.f_name = data_tcp_footer_plain;
    file_tcp_footer_plain.f_data = &data_tcp_footer_plain[18];
    file_tcp_footer_plain.f_len = sizeof(data_tcp_footer_plain) - 18;

	file_tcp_header_html.next = file_tcp_footer_plain;
    file_tcp_header_html.f_name = data_tcp_header_html;
    file_tcp_header_html.f_data = &data_tcp_header_html[17];
    file_tcp_header_html.f_len = sizeof(data_tcp_header_html) - 17;

	file_cgi_tcp.next = file_tcp_header_html;
    file_cgi_tcp.f_name = data_cgi_tcp;
    file_cgi_tcp.f_data = &data_cgi_tcp[9];
    file_cgi_tcp.f_len = sizeof(data_cgi_tcp) - 9;

	file_stats_footer_plain.next = file_cgi_tcp;
	file_stats_footer_plain.f_name = data_stats_footer_plain;
	file_stats_footer_plain.f_data = &data_stats_footer_plain[20];
    file_stats_footer_plain.f_len = sizeof(data_stats_footer_plain) - 20;

	file_stats_header_html.next = file_stats_footer_plain;
	file_stats_header_html.f_name = data_stats_header_html;
	file_stats_header_html.f_data = &data_stats_header_html[19];
    file_stats_header_html.f_len = sizeof(data_stats_header_html) - 19;

	file_files_footer_plain.next = file_stats_header_html;
	file_files_footer_plain.f_name = data_files_footer_plain;
	file_files_footer_plain.f_data = &data_files_footer_plain[20];
	file_files_footer_plain.f_len = sizeof(data_files_footer_plain) - 20;

	file_files_header_html.next = file_files_footer_plain;
	file_files_header_html.f_name = data_files_header_html;
	file_files_header_html.f_data = &data_files_header_html[19];
	file_files_header_html.f_len = sizeof(data_files_header_html) - 19;

    file_thermo_footer_plain.next = file_files_header_html;
    file_thermo_footer_plain.f_name = data_thermo_footer_plain;
    file_thermo_footer_plain.f_data = &data_thermo_footer_plain[21];
    file_thermo_footer_plain.f_len = sizeof(data_thermo_footer_plain) - 21;

	file_thermo_header_html.next = file_thermo_footer_plain;
	file_thermo_header_html.f_name = data_thermo_header_html;
	file_thermo_header_html.f_data = &data_thermo_header_html[20];
	file_thermo_header_html.f_len = sizeof(data_thermo_header_html) - 20;

    file_cgi_thermo.next = file_thermo_header_html;
    file_cgi_thermo.f_name = data_cgi_thermo;
    file_cgi_thermo.f_data = &data_cgi_thermo[12];
    file_cgi_thermo.f_len = sizeof(data_cgi_thermo) - 12;

	file_cgi_files.next = file_cgi_thermo;
    file_cgi_files.f_name = data_cgi_files;
    file_cgi_files.f_data = &data_cgi_files[11];
    file_cgi_files.f_len = sizeof(data_cgi_files) - 11;

    file_cgi_stats.next = file_cgi_files;
	file_cgi_stats.f_name = data_cgi_stats;
	file_cgi_stats.f_data = &data_cgi_stats[11];
    file_cgi_stats.f_len = sizeof(data_cgi_stats) - 11;

    file_index_html.next = file_cgi_stats;
    file_index_html.f_name = data_index_html;
    file_index_html.f_data = &data_index_html[12];
    file_index_html.f_len = sizeof(data_index_html) - 12;
}