FreeRTOS-RISCV/FreeRTOSv10.2.1/FreeRTOS/Demo/Common/ethernet/FreeTCPIP/apps/httpd/httpd-fs.c

134 lines
3.8 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>
*
* $Id: httpd-fs.c,v 1.1 2006/06/07 09:13:08 adam Exp $
*/
#include "httpd.h"
#include "httpd-fs.h"
#include "httpd-fsdata.h"
#ifndef NULL
#define NULL 0
#endif /* NULL */
#include "httpd-fsdata.c"
#if HTTPD_FS_STATISTICS
static u16_t count[HTTPD_FS_NUMFILES];
#endif /* HTTPD_FS_STATISTICS */
/*-----------------------------------------------------------------------------------*/
static u8_t httpd_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 httpd_fs_open( const char *name, struct httpd_fs_file *file )
{
#if HTTPD_FS_STATISTICS
u16_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;
#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
u16_t i;
for( i = 0; i < HTTPD_FS_NUMFILES; i++ )
{
count[i] = 0;
}
#endif /* HTTPD_FS_STATISTICS */
}
/*-----------------------------------------------------------------------------------*/
#if HTTPD_FS_STATISTICS
u16_t httpd_fs_count( char *name )
{
struct httpd_fsdata_file_noconst *f;
u16_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 */
/*-----------------------------------------------------------------------------------*/