[101] | 1 | /*
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| 2 | * Copyright (c) 2001, Swedish Institute of Computer Science.
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | * 1. Redistributions of source code must retain the above copyright
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| 9 | * notice, this list of conditions and the following disclaimer.
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| 10 | * 2. Redistributions in binary form must reproduce the above copyright
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| 11 | * notice, this list of conditions and the following disclaimer in the
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| 12 | * documentation and/or other materials provided with the distribution.
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| 13 | * 3. Neither the name of the Institute nor the names of its contributors
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| 14 | * may be used to endorse or promote products derived from this software
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| 15 | * without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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| 18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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| 21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 27 | * SUCH DAMAGE.
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| 28 | *
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| 29 | * This file is part of the lwIP TCP/IP stack.
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| 30 | *
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| 31 | * Author: Adam Dunkels <adam@sics.se>
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| 32 | *
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| 33 | * $Id: httpd-fs.c 101 2015-06-02 15:37:23Z coas-nagasima $
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| 34 | */
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| 35 |
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| 36 | #include "httpd.h"
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| 37 | #include "httpd-fs.h"
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| 38 | #include "pff.h"
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| 39 | #include "diskio.h"
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| 40 |
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| 41 | //#define FILE_DUMP
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| 42 | #ifdef FILE_DUMP
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| 43 | #include <string.h>
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| 44 | char path[256] = "";
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| 45 | FATFS fs;
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| 46 | #endif
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| 47 |
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| 48 | #ifndef NULL
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| 49 | #define NULL 0
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| 50 | #endif /* NULL */
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| 51 |
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| 52 | /*-----------------------------------------------------------------------------------*/
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| 53 | #ifdef FILE_DUMP
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| 54 | FRESULT scan_files (FATFS *fs, char* path, int size)
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| 55 | {
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| 56 | FRESULT res;
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| 57 | FILINFO fno;
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| 58 | DIR dir;
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| 59 | int i;
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| 60 | char *fn; /* This function assumes non-Unicode configuration */
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| 61 | #if _USE_LFN
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| 62 | char LFName[256];
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| 63 | fno.lfname = LFName;
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| 64 | fno.lfsize = sizeof(LFName);
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| 65 | #endif
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| 66 |
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| 67 | dir.fs = fs;
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| 68 | res = pf_opendir(&dir, path);
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| 69 | if (res == FR_OK) {
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| 70 | i = strlen(path);
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| 71 | for (;;) {
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| 72 | res = pf_readdir(&dir, &fno);
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| 73 | if (res != FR_OK || fno.fname[0] == 0) break;
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| 74 | #if _USE_LFN
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| 75 | fn = *fno.lfname ? fno.lfname : fno.fname;
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| 76 | #else
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| 77 | fn = fno.fname;
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| 78 | #endif
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| 79 | if (fno.fattrib & AM_DIR) {
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| 80 | sprintf_s(&path[i], size - i, "/%s", fn);
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| 81 | res = scan_files(fs, path, size);
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| 82 | if (res != FR_OK) break;
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| 83 | path[i] = 0;
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| 84 | } else {
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| 85 | printf("%s/%s\n", path, fn);
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| 86 | }
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| 87 | }
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| 88 | }
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| 89 |
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| 90 | return res;
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| 91 | }
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| 92 | #endif
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| 93 | /*-----------------------------------------------------------------------------------*/
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| 94 | void
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| 95 | httpd_fs_init(void)
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| 96 | {
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| 97 | #ifdef FILE_DUMP
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| 98 | FRESULT res;
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| 99 | #endif
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| 100 | disk_initialize();
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| 101 | #ifdef FILE_DUMP
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| 102 | if((res = pf_mount(&fs)) != FR_OK){
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| 103 | printf("pf_mount() => %d\n", res);
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| 104 | return;
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| 105 | }
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| 106 | if((res = scan_files(&fs, path, sizeof(path))) != FR_OK){
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| 107 | printf("scan_files() => %d\n", res);
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| 108 | return;
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| 109 | }
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| 110 | #endif
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| 111 | }
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| 112 | /*-----------------------------------------------------------------------------------*/
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| 113 | int
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| 114 | httpd_fs_open(const char *name, struct httpd_fs_file *file)
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| 115 | {
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| 116 | FRESULT res;
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| 117 | FATFS *fs = (FATFS *)&file->fs;
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| 118 |
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| 119 | if (fs->fs_type == 0){
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| 120 | if((res = pf_mount(fs)) != FR_OK){
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| 121 | printf("pf_mount() => %d\n", res);
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| 122 | return 0;
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| 123 | }
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| 124 | }
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| 125 |
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| 126 | if((res = pf_open(fs, name)) != FR_OK){
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| 127 | printf("pf_open(%s) => %d\n", name, res);
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| 128 | return 0;
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| 129 | }
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| 130 |
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| 131 | file->pos = 0;
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| 132 | file->len = fs->fsize;
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| 133 | file->name = name;
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| 134 |
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| 135 | //printf("httpd_fs_open(%s) %d\n", name, file->len);
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| 136 |
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| 137 | return 1;
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| 138 | }
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| 139 | /*-----------------------------------------------------------------------------------*/
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| 140 | int
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| 141 | httpd_fs_read(struct httpd_fs_file *file, void *dst, int len)
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| 142 | {
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| 143 | FRESULT ret;
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| 144 | UINT rlen;
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| 145 | FATFS *fs = (FATFS *)&file->fs;
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| 146 |
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| 147 | if((ret = pf_lseek(fs, file->pos)) != FR_OK){
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| 148 | printf("pf_lseek(%d) => %d\n", file->pos, ret);
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| 149 | return 0;
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| 150 | }
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| 151 |
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| 152 | if(file->pos != fs->fptr){
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| 153 | printf("pf_lseek(%d) != %d\n", file->pos, fs->fptr);
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| 154 | }
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| 155 |
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| 156 | if((ret = pf_read(fs, dst, len, &rlen)) != FR_OK){
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| 157 | printf("pf_read(%x, %d) => %d\n", dst, len, ret);
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| 158 | return 0;
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| 159 | }
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| 160 |
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| 161 | //printf("httpd_fs_read(%s, %d, %d) => %d\n", file->name, file->pos, len, rlen);
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| 162 |
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| 163 | return rlen;
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| 164 | }
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| 165 | /*-----------------------------------------------------------------------------------*/
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