137 lines
4.4 KiB
C
137 lines
4.4 KiB
C
/*
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* Copyright (c) 2001, Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the lwIP TCP/IP stack.
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*
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* Author: Adam Dunkels <adam@sics.se>
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*
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* $Id: httpd-fs.c,v 1.4 2009/07/24 15:41:52 dak664 Exp $
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*/
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#include "contiki-net.h"
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#include "httpd.h"
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#include "httpd-fs.h"
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#include "httpd-fsdata.h"
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#include "httpd-fsdata.c"
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#if HTTPD_FS_STATISTICS==2
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u16_t httpd_filecount[HTTPD_FS_NUMFILES];
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#endif /* HTTPD_FS_STATISTICS */
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/*-----------------------------------------------------------------------------------*/
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void *
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httpd_fs_get_root()
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{
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return (void *)HTTPD_FS_ROOT;
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}
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/*-----------------------------------------------------------------------------------*/
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u16_t
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httpd_fs_get_size()
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{
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return HTTPD_FS_SIZE;
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}
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/*-----------------------------------------------------------------------------------*/
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u16_t
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httpd_fs_open(const char *name, struct httpd_fs_file *file)
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{
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#if HTTPD_FS_STATISTICS
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u16_t i = 0;
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#endif /* HTTPD_FS_STATISTICS */
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struct httpd_fsdata_file_noconst *f,fram;
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for(f = (struct httpd_fsdata_file_noconst *)HTTPD_FS_ROOT;
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f != NULL;
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f = (struct httpd_fsdata_file_noconst *)fram.next) {
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/*Get the linked list entry into ram from wherever it is */
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httpd_memcpy(&fram,f,sizeof(fram));
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/*Compare name passed in RAM with name in whatever flash the file is in */
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if(httpd_fs_strcmp((char *)name, fram.name) == 0) {
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if (file) {
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file->data = fram.data;
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file->len = fram.len;
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#if HTTPD_FS_STATISTICS==1 //increment count in linked list field if it is in RAM
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f->count++;
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}
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return f->count;
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}
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++i
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#elif HTTPD_FS_STATISTICS==2 //increment count in RAM array when linked list is in flash
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++httpd_filecount[i];
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}
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return httpd_filecount[i];
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}
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++i;
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#else //no file statistics
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}
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return 1;
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}
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#endif /*HTTPD_FS_STATISTICS*/
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}
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return 0;
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}
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/*-----------------------------------------------------------------------------------*/
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void
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httpd_fs_init(void)
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{
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#if HTTPD_FS_STATISTICS && 0 //count will already be zero at boot
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u16_t i;
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for(i = 0; i < HTTPD_FS_NUMFILES; i++) {
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count[i] = 0;
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}
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#endif /* HTTPD_FS_STATISTICS */
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}
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/*-----------------------------------------------------------------------------------*/
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#if HTTPD_FS_STATISTICS && 0 //Not needed, httpd_fs_open returns count
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u16_t
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httpd_fs_count(char *name)
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{
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struct httpd_fsdata_file_noconst *f,fram;
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u16_t i;
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i = 0;
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for(f = (struct httpd_fsdata_file_noconst *)HTTPD_FS_ROOT;
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f != NULL;
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f = (struct httpd_fsdata_file_noconst *)fram.next) {
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httpd_memcpy(&fram,f,sizeof(fram));
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if(httpd_strcmp(name, fram.name) == 0) {
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#if HTTPD_FS_STATISTICS==1
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return f->count;
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#elif HTTPD_FS_STATISTICS==2
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return count[i];
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#endif
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}
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++i;
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}
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return 0;
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}
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#endif /* HTTPD_FS_STATISTICS */
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/*-----------------------------------------------------------------------------------*/
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