osd-contiki/examples/mb851/webserver-ajax/httpd-fs.c

128 lines
3.7 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>
*
*/
#include "contiki-net.h"
#include "httpd.h"
#include "httpd-fs.h"
#include "httpd-fsdata.h"
#include "httpd-fsdata.c"
#if HTTPD_FS_STATISTICS
static uint16_t count[HTTPD_FS_NUMFILES];
#endif /* HTTPD_FS_STATISTICS */
/*-----------------------------------------------------------------------------------*/
static uint8_t
httpd_fs_strcmp(const char *str1, const char *str2)
{
uint8_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
httpd_fs_open(const char *name, struct httpd_fs_file *file)
{
#if HTTPD_FS_STATISTICS
uint16_t i = 0;
#endif /* HTTPD_FS_STATISTICS */
struct httpd_fsdata_file_noconst *f;
for(f = (struct httpd_fsdata_file_noconst *)HTTPD_FS_ROOT;
f != NULL;
f = (struct httpd_fsdata_file_noconst *)f->next) {
if(httpd_fs_strcmp(name, f->name) == 0) {
file->data = f->data;
file->len = f->len - 1;
#if HTTPD_FS_STATISTICS
++count[i];
#endif /* HTTPD_FS_STATISTICS */
return 1;
}
#if HTTPD_FS_STATISTICS
++i;
#endif /* HTTPD_FS_STATISTICS */
}
return 0;
}
/*-----------------------------------------------------------------------------------*/
void
httpd_fs_init(void)
{
#if HTTPD_FS_STATISTICS
uint16_t i;
for(i = 0; i < HTTPD_FS_NUMFILES; i++) {
count[i] = 0;
}
#endif /* HTTPD_FS_STATISTICS */
}
/*-----------------------------------------------------------------------------------*/
#if HTTPD_FS_STATISTICS
uint16_t
httpd_fs_count(char *name)
{
struct httpd_fsdata_file_noconst *f;
uint16_t i;
i = 0;
for(f = (struct httpd_fsdata_file_noconst *)HTTPD_FS_ROOT;
f != NULL;
f = (struct httpd_fsdata_file_noconst *)f->next) {
if(httpd_fs_strcmp(name, f->name) == 0) {
return count[i];
}
++i;
}
return 0;
}
#endif /* HTTPD_FS_STATISTICS */
/*-----------------------------------------------------------------------------------*/