2 * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
8 * 1. Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright notice,
11 * this list of conditions and the following disclaimer in the documentation
12 * and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
19 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
21 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
27 * This file is part of the lwIP TCP/IP stack.
29 * Author: Adam Dunkels <adam@sics.se>
37 /** Set this to 1 and provide the functions:
38 * - "int fs_open_custom(struct fs_file *file, const char *name)"
39 * Called first for every opened file to allow opening files
40 * that are not included in fsdata(_custom).c
41 * - "void fs_close_custom(struct fs_file *file)"
42 * Called to free resources allocated by fs_open_custom().
44 #ifndef LWIP_HTTPD_CUSTOM_FILES
45 #define LWIP_HTTPD_CUSTOM_FILES 0
48 /** Set this to 1 to include an application state argument per file
49 * that is opened. This allows to keep a state per connection/file.
51 #ifndef LWIP_HTTPD_FILE_STATE
52 #define LWIP_HTTPD_FILE_STATE 0
55 /** HTTPD_PRECALCULATED_CHECKSUM==1: include precompiled checksums for
56 * predefined (MSS-sized) chunks of the files to prevent having to calculate
57 * the checksums at runtime. */
58 #ifndef HTTPD_PRECALCULATED_CHECKSUM
59 #define HTTPD_PRECALCULATED_CHECKSUM 0
62 #if HTTPD_PRECALCULATED_CHECKSUM
63 struct fsdata_chksum {
68 #endif /* HTTPD_PRECALCULATED_CHECKSUM */
75 #if HTTPD_PRECALCULATED_CHECKSUM
76 const struct fsdata_chksum *chksum;
78 #endif /* HTTPD_PRECALCULATED_CHECKSUM */
79 u8_t http_header_included;
80 #if LWIP_HTTPD_CUSTOM_FILES
82 #endif /* LWIP_HTTPD_CUSTOM_FILES */
83 #if LWIP_HTTPD_FILE_STATE
85 #endif /* LWIP_HTTPD_FILE_STATE */
88 struct fs_file *fs_open(const char *name);
89 void fs_close(struct fs_file *file);
90 int fs_read(struct fs_file *file, char *buffer, int count);
91 int fs_bytes_left(struct fs_file *file);
93 #if LWIP_HTTPD_FILE_STATE
94 /** This user-defined function is called when a file is opened. */
95 void *fs_state_init(struct fs_file *file, const char *name);
96 /** This user-defined function is called when a file is closed. */
97 void fs_state_free(struct fs_file *file, void *state);
98 #endif /* #if LWIP_HTTPD_FILE_STATE */
100 #endif /* __FS_H__ */