[101] | 1 | /**
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| 2 | * \addtogroup apps
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| 3 | * @{
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| 4 | */
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| 5 |
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| 6 | /**
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| 7 | * \defgroup httpd Web server
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| 8 | * @{
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| 9 | * The uIP web server is a very simplistic implementation of an HTTP
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| 10 | * server. It can serve web pages and files from a read-only ROM
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| 11 | * filesystem, and provides a very small scripting language.
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| 12 |
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| 13 | */
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| 14 |
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| 15 | /**
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| 16 | * \file
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| 17 | * Web server
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| 18 | * \author
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| 19 | * Adam Dunkels <adam@sics.se>
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| 20 | */
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| 21 |
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| 22 |
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| 23 | /*
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| 24 | * Copyright (c) 2004, Adam Dunkels.
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| 25 | * All rights reserved.
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| 26 | *
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| 27 | * Redistribution and use in source and binary forms, with or without
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| 28 | * modification, are permitted provided that the following conditions
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| 29 | * are met:
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| 30 | * 1. Redistributions of source code must retain the above copyright
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| 31 | * notice, this list of conditions and the following disclaimer.
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| 32 | * 2. Redistributions in binary form must reproduce the above copyright
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| 33 | * notice, this list of conditions and the following disclaimer in the
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| 34 | * documentation and/or other materials provided with the distribution.
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| 35 | * 3. Neither the name of the Institute nor the names of its contributors
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| 36 | * may be used to endorse or promote products derived from this software
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| 37 | * without specific prior written permission.
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| 38 | *
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| 39 | * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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| 40 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 41 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 42 | * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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| 43 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 44 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 45 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 46 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 47 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 48 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 49 | * SUCH DAMAGE.
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| 50 | *
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| 51 | * This file is part of the uIP TCP/IP stack.
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| 52 | *
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| 53 | * Author: Adam Dunkels <adam@sics.se>
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| 54 | *
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| 55 | * $Id: httpd.c 156 2016-02-05 00:06:37Z coas-nagasima $
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| 56 | */
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| 57 |
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| 58 | #include "uip.h"
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| 59 | #include "httpd.h"
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| 60 | #include "httpd-fs.h"
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| 61 | #include "http-strings.h"
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| 62 | #include "base64.h"
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| 63 | #include "sha1.h"
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| 64 | #include "kadecot_names.h"
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| 65 | #include "uip_adpt.h"
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| 66 |
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| 67 | #include <string.h>
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| 68 |
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| 69 | #define STATE_WAITING 0
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| 70 | #define STATE_OUTPUT 1
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| 71 | #define STATE_WS_OUTPUT 2
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| 72 |
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| 73 | #define ISO_nl 0x0a
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| 74 | #define ISO_space 0x20
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| 75 | #define ISO_bang 0x21
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| 76 | #define ISO_percent 0x25
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| 77 | #define ISO_period 0x2e
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| 78 | #define ISO_slash 0x2f
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| 79 | #define ISO_colon 0x3a
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| 80 |
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| 81 | #ifndef _MSC_VER
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| 82 | #ifndef strcpy_s
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| 83 | #define strcpy_s(s1, s1m, s2) strcpy(s1, s2)
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| 84 | #endif
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| 85 |
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| 86 | #ifndef strncpy_s
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| 87 | #define strncpy_s(dst, dsz, src, sz) strncpy(dst, src, sz)
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| 88 | #endif
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| 89 | #endif
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| 90 |
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[152] | 91 | #define MAX(a, b) ((a > b) ? a : b)
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| 92 |
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| 93 | union temp_type_t {
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| 94 | char binary[sizeof(http_content_type_binary)];
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| 95 | char html[sizeof(http_content_type_html)];
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| 96 | char css[sizeof(http_content_type_css)];
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| 97 | char js[sizeof(http_content_type_js)];
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| 98 | char json[sizeof(http_content_type_json)];
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| 99 | char png[sizeof(http_content_type_png)];
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| 100 | char gif[sizeof(http_content_type_gif)];
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| 101 | char jpg[sizeof(http_content_type_jpg)];
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| 102 | char svg[sizeof(http_content_type_svg)];
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| 103 | char plain[sizeof(http_content_type_plain)];
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| 104 | };
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| 105 |
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| 106 | struct temp_buf_t{
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| 107 | char headers[MAX(sizeof(http_header_404), sizeof(http_header_200))
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| 108 | + sizeof(http_content_encoding_gzip)
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[156] | 109 | + sizeof(http_location) + sizeof(((struct httpd_state *)0)->filename) + 2
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[152] | 110 | + sizeof(union temp_type_t)
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| 111 | ];
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| 112 | char ws_headers[sizeof(http_header_101)
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| 113 | + sizeof(http_upgrade) + sizeof(((struct httpd_state *)0)->message.upgrade) + sizeof(http_crnl)
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| 114 | + sizeof(http_connection) + sizeof(((struct httpd_state *)0)->message.connection) + sizeof(http_crnl)
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| 115 | + sizeof(http_sec_websocket_accept) + sizeof(((struct httpd_state *)0)->message.response_key) + sizeof(http_crnl)
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| 116 | + sizeof(http_sec_websocket_protocol) + sizeof(((struct httpd_state *)0)->message.sec_websocket_protocol) + sizeof(http_crnl)
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| 117 | + sizeof(http_crnl)
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| 118 | ];
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| 119 | };
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| 120 | static char temp_buf[sizeof(struct temp_buf_t)];
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| 121 |
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[101] | 122 | int httpd_strnicmp(const char *s1, const char *s2, size_t n)
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| 123 | {
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| 124 | int i;
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| 125 | char c1, c2;
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| 126 |
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| 127 | for(i = 0; i < n; i++, s1++, s2++){
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| 128 | c1 = *s1;
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| 129 | c2 = *s2;
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| 130 | if(c1 == '\0' && c2 == '\0')
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| 131 | return 0;
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| 132 |
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| 133 | if(c1 >= 'a' && c1 <= 'z')
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| 134 | c1 += 'A' - 'a';
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| 135 |
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| 136 | if(c2 >= 'a' && c2 <= 'z')
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| 137 | c2 += 'A' - 'a';
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| 138 |
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| 139 | if(c1 < c2)
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| 140 | return -1;
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| 141 |
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| 142 | if(c1 > c2)
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| 143 | return 1;
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| 144 | }
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| 145 |
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| 146 | return 0;
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| 147 | }
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| 148 |
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| 149 | struct websocket *websocket_getws(ID wbsid)
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| 150 | {
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| 151 | struct uip_conn *conn = uip_getconn(wbsid);
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| 152 | if (conn == NULL)
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| 153 | return NULL;
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| 154 |
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| 155 | return &conn->appstate.websocket;
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| 156 | }
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| 157 |
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| 158 | /*---------------------------------------------------------------------------*/
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| 159 | static unsigned short
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| 160 | generate_part_of_file(void *state)
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| 161 | {
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| 162 | struct httpd_state *s = (struct httpd_state *)state;
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| 163 | int len;
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| 164 |
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| 165 | if (s->file.len > uip_mss()) {
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| 166 | len = uip_mss();
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| 167 | } else {
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| 168 | len = s->file.len;
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| 169 | }
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| 170 | s->len = httpd_fs_read(&s->file, uip_appdata, len);
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| 171 |
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| 172 | return s->len;
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| 173 | }
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| 174 | /*---------------------------------------------------------------------------*/
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| 175 | static
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| 176 | PT_THREAD(send_file(struct httpd_state *s))
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| 177 | {
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| 178 | PSOCK_BEGIN(&s->sout);
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| 179 |
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| 180 | do {
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| 181 | PSOCK_GENERATOR_SEND(&s->sout, generate_part_of_file, s);
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| 182 | s->file.len -= s->len;
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| 183 | s->file.pos += s->len;
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| 184 | } while (s->file.len > 0);
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| 185 |
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| 186 | PSOCK_END(&s->sout);
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| 187 | }
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| 188 | /*---------------------------------------------------------------------------*/
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| 189 | static
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| 190 | PT_THREAD(send_headers(struct httpd_state *s, const char *statushdr))
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| 191 | {
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[152] | 192 | char *pos = temp_buf;
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| 193 | int len;
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[101] | 194 | char *ptr;
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| 195 |
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| 196 | PSOCK_BEGIN(&s->sout);
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| 197 |
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[152] | 198 | len = strlen(statushdr);
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| 199 | memcpy(pos, statushdr, len); pos += len;
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[101] | 200 |
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[154] | 201 | if (s->drv == 0) {
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| 202 | len = strlen(http_content_encoding_gzip);
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| 203 | memcpy(pos, http_content_encoding_gzip, len); pos += len;
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| 204 | }
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[101] | 205 |
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[155] | 206 | if (s->file.redirect) {
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| 207 | len = strlen(http_location);
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| 208 | memcpy(pos, http_location, len); pos += len;
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| 209 | if (s->drv == 1) {
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| 210 | len = 2;
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| 211 | memcpy(pos, "/~", len); pos += len;
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| 212 | }
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| 213 | len = strlen(s->filename);
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| 214 | memcpy(pos, s->filename, len); pos += len;
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[156] | 215 | if (s->query != NULL) {
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| 216 | pos[0] = '?'; pos++;
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| 217 | len = strlen(s->query);
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| 218 | memcpy(pos, s->query, len); pos += len;
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| 219 | }
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[155] | 220 | len = 2;
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| 221 | memcpy(pos, "\r\n", len); pos += len;
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| 222 | }
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| 223 |
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[156] | 224 | ptr = strrchr(s->filename, ISO_period);
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[101] | 225 | if (ptr == NULL) {
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[152] | 226 | len = strlen(http_content_type_binary);
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| 227 | memcpy(pos, http_content_type_binary, len); pos += len;
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[101] | 228 | } else if (strncmp(http_html, ptr, 5) == 0 ||
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| 229 | strncmp(http_shtml, ptr, 6) == 0) {
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[152] | 230 | len = strlen(http_content_type_html);
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| 231 | memcpy(pos, http_content_type_html, len); pos += len;
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[101] | 232 | } else if (strncmp(http_css, ptr, 4) == 0) {
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[152] | 233 | len = strlen(http_content_type_css);
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| 234 | memcpy(pos, http_content_type_css, len); pos += len;
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[101] | 235 | } else if (strncmp(http_js, ptr, 3) == 0) {
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[152] | 236 | len = strlen(http_content_type_js);
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| 237 | memcpy(pos, http_content_type_js, len); pos += len;
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[101] | 238 | } else if (strncmp(http_json, ptr, 5) == 0) {
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[152] | 239 | len = strlen(http_content_type_json);
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| 240 | memcpy(pos, http_content_type_json, len); pos += len;
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[101] | 241 | } else if (strncmp(http_png, ptr, 4) == 0) {
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[152] | 242 | len = strlen(http_content_type_png);
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| 243 | memcpy(pos, http_content_type_png, len); pos += len;
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[101] | 244 | } else if (strncmp(http_gif, ptr, 4) == 0) {
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[152] | 245 | len = strlen(http_content_type_gif);
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| 246 | memcpy(pos, http_content_type_gif, len); pos += len;
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[101] | 247 | } else if (strncmp(http_jpg, ptr, 4) == 0) {
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[152] | 248 | len = strlen(http_content_type_jpg);
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| 249 | memcpy(pos, http_content_type_jpg, len); pos += len;
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[101] | 250 | } else if (strncmp(http_svg, ptr, 4) == 0) {
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[152] | 251 | len = strlen(http_content_type_svg);
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| 252 | memcpy(pos, http_content_type_svg, len); pos += len;
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[101] | 253 | } else {
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[152] | 254 | len = strlen(http_content_type_plain);
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| 255 | memcpy(pos, http_content_type_plain, len); pos += len;
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[101] | 256 | }
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[152] | 257 | *pos = '\0';
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| 258 |
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| 259 | PSOCK_SEND(&s->sout, temp_buf, pos - temp_buf);
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| 260 |
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[101] | 261 | PSOCK_END(&s->sout);
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| 262 | }
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| 263 | /*---------------------------------------------------------------------------*/
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| 264 | static
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| 265 | PT_THREAD(handle_output(struct httpd_state *s))
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| 266 | {
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| 267 | PT_BEGIN(&s->outputpt);
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| 268 |
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[155] | 269 | if (!httpd_fs_open(s->drv, s->filename, sizeof(s->filename), &s->file)) {
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[154] | 270 | s->drv = 0;
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[155] | 271 | strcpy_s(s->filename, sizeof(s->filename), http_404_html);
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| 272 | httpd_fs_open(s->drv, s->filename, sizeof(s->filename), &s->file);
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[101] | 273 | PT_WAIT_THREAD(&s->outputpt,
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| 274 | send_headers(s,
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| 275 | http_header_404));
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| 276 | PT_WAIT_THREAD(&s->outputpt, send_file(s));
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| 277 | } else {
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| 278 | PT_WAIT_THREAD(&s->outputpt,
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| 279 | send_headers(s,
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[155] | 280 | s->file.redirect ? http_header_301 : http_header_200));
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[101] | 281 | PT_WAIT_THREAD(&s->outputpt, send_file(s));
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| 282 | }
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| 283 |
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| 284 | PSOCK_CLOSE(&s->sout);
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| 285 | PT_END(&s->outputpt);
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| 286 | }
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| 287 | /*---------------------------------------------------------------------------*/
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| 288 | static
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| 289 | PT_THREAD(send_ws_headers(struct httpd_state *s, const char *statushdr))
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| 290 | {
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[152] | 291 | char *pos = temp_buf;
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| 292 | int len;
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| 293 |
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[101] | 294 | PSOCK_BEGIN(&s->sout);
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| 295 |
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[152] | 296 | len = strlen(statushdr);
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| 297 | memcpy(pos, statushdr, len); pos += len;
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[101] | 298 |
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[152] | 299 | len = strlen(http_upgrade);
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| 300 | memcpy(pos, http_upgrade, len); pos += len;
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| 301 | len = strlen(s->message.upgrade);
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| 302 | memcpy(pos, s->message.upgrade, len); pos += len;
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| 303 | len = strlen(http_crnl);
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| 304 | memcpy(pos, http_crnl, len); pos += len;
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[101] | 305 |
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[152] | 306 | len = strlen(http_connection);
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| 307 | memcpy(pos, http_connection, len); pos += len;
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| 308 | len = strlen(s->message.connection);
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| 309 | memcpy(pos, s->message.connection, len); pos += len;
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| 310 | len = strlen(http_crnl);
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| 311 | memcpy(pos, http_crnl, len); pos += len;
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[101] | 312 |
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[152] | 313 | len = strlen(http_sec_websocket_accept);
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| 314 | memcpy(pos, http_sec_websocket_accept, len); pos += len;
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| 315 | len = strlen(s->message.response_key);
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| 316 | memcpy(pos, s->message.response_key, len); pos += len;
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| 317 | len = strlen(http_crnl);
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| 318 | memcpy(pos, http_crnl, len); pos += len;
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[101] | 319 |
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[152] | 320 | len = strlen(http_sec_websocket_protocol);
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| 321 | memcpy(pos, http_sec_websocket_protocol, len); pos += len;
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| 322 | len = strlen(s->message.sec_websocket_protocol);
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| 323 | memcpy(pos, s->message.sec_websocket_protocol, len); pos += len;
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| 324 | len = strlen(http_crnl);
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| 325 | memcpy(pos, http_crnl, len); pos += len;
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[101] | 326 |
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[152] | 327 | len = strlen(http_crnl);
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| 328 | memcpy(pos, http_crnl, len); pos += len;
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| 329 | *pos = '\0';
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[101] | 330 |
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[152] | 331 | PSOCK_SEND(&s->sout, temp_buf, pos - temp_buf);
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| 332 |
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[101] | 333 | PSOCK_END(&s->sout);
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| 334 | }
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| 335 | /*---------------------------------------------------------------------------*/
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| 336 | static unsigned short
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| 337 | generate_part_of_ws_data(void *state)
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| 338 | {
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| 339 | struct httpd_state *s = (struct httpd_state *)state;
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| 340 |
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| 341 | s->len = websocket_output(&s->websocket, uip_appdata, uip_mss());
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| 342 |
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| 343 | return s->len;
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| 344 | }
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| 345 | /*---------------------------------------------------------------------------*/
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| 346 | static
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| 347 | PT_THREAD(send_ws_data(struct httpd_state *s))
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| 348 | {
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| 349 | PSOCK_BEGIN(&s->sout);
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| 350 |
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| 351 | PSOCK_GENERATOR_SEND(&s->sout, generate_part_of_ws_data, s);
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| 352 |
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| 353 | PSOCK_END(&s->sout);
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| 354 | }
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| 355 | /*---------------------------------------------------------------------------*/
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| 356 | static
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| 357 | PT_THREAD(handle_ws_output(struct httpd_state *s))
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| 358 | {
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| 359 | char shaHash[20];
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| 360 | SHA_CTX sha1;
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| 361 | int len;
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| 362 |
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| 363 | PT_BEGIN(&s->outputpt);
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| 364 |
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| 365 | strlncat(s->message.response_key, sizeof(s->message.response_key),
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| 366 | s->message.sec_websocket_key, sizeof(s->message.sec_websocket_key));
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| 367 | len = strlncat(s->message.response_key, sizeof(s->message.response_key),
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| 368 | http_websocket_guid, sizeof(http_websocket_guid));
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| 369 | memset(shaHash, 0, sizeof(shaHash));
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| 370 | SHA1_Init(&sha1);
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| 371 | SHA1_Update(&sha1, (sha1_byte *)s->message.response_key, len);
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| 372 | SHA1_Final((sha1_byte *)shaHash, &sha1);
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| 373 | base64_encode((unsigned char *)s->message.response_key,
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| 374 | sizeof(s->message.response_key), (unsigned char *)shaHash, sizeof(shaHash));
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| 375 |
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| 376 | PT_WAIT_THREAD(&s->outputpt, send_ws_headers(s, http_header_101));
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| 377 |
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| 378 | s->message.response_key[0] = '\0';
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| 379 |
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| 380 | do {
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| 381 | while(!websocket_newdata(&s->websocket))
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| 382 | PT_YIELD(&s->outputpt);
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| 383 |
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| 384 | PT_WAIT_THREAD(&s->outputpt, send_ws_data(s));
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| 385 | } while ((s->state == STATE_WS_OUTPUT) && (!s->close_req));
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| 386 | s->state = STATE_WAITING;
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| 387 | websocket_destroy(&s->websocket);
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| 388 | s->close_req = 0;
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| 389 |
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| 390 | PSOCK_CLOSE(&s->sout);
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| 391 |
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| 392 | PT_END(&s->outputpt);
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| 393 | }
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| 394 | /*---------------------------------------------------------------------------*/
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| 395 | static
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| 396 | PT_THREAD(handle_input(struct httpd_state *s))
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| 397 | {
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| 398 | size_t done;
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| 399 | const char *data;
|
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[155] | 400 | char *ptr;
|
---|
| 401 |
|
---|
[101] | 402 | PSOCK_BEGIN(&s->sin);
|
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| 403 |
|
---|
| 404 | memset(&s->message, 0, sizeof(s->message));
|
---|
| 405 | http_parser_init(&s->parser, HTTP_REQUEST);
|
---|
| 406 |
|
---|
| 407 | for (;;) {
|
---|
| 408 | PSOCK_WAIT_UNTIL(&s->sin, psock_newdata(&s->sin));
|
---|
| 409 |
|
---|
| 410 | s->parse_pos = 0;
|
---|
| 411 | s->parse_len = uip_datalen();
|
---|
| 412 | data = &((const char *)uip_appdata)[s->parse_pos];
|
---|
| 413 | done = http_parser_execute(&s->parser, &websvr_settings, data, s->parse_len);
|
---|
| 414 | if (done != 0) {
|
---|
| 415 | s->parse_pos += done;
|
---|
| 416 | s->parse_len -= done;
|
---|
| 417 | break;
|
---|
| 418 | }
|
---|
| 419 | }
|
---|
| 420 |
|
---|
| 421 | if (!s->message.message_complete_cb_called
|
---|
| 422 | && s->message.method != HTTP_GET) {
|
---|
| 423 | PSOCK_CLOSE_EXIT(&s->sin);
|
---|
| 424 | }
|
---|
| 425 |
|
---|
[156] | 426 | ptr = strrchr(s->message.request_url, '?');
|
---|
| 427 | if (ptr != NULL){
|
---|
| 428 | ptr[0] = '\0';
|
---|
| 429 | s->query = &ptr[1];
|
---|
| 430 | }
|
---|
| 431 | else
|
---|
| 432 | s->query = NULL;
|
---|
| 433 |
|
---|
[101] | 434 | /* ""か"/"なら"index.html"に変更 */
|
---|
| 435 | if ((s->message.request_url[0] == '\0') || ((s->message.request_url[0] == '/') && (s->message.request_url[1] == '\0'))) {
|
---|
[155] | 436 | s->drv = 0;
|
---|
| 437 | strcpy_s(s->filename, sizeof(s->filename), http_index_html);
|
---|
[156] | 438 | s->file.redirect = 1;
|
---|
[101] | 439 | }
|
---|
[154] | 440 | /* "/~/"ならSDカードから読み込み */
|
---|
| 441 | else if ((s->message.request_url[0] == '/') && (s->message.request_url[1] == '~') && (s->message.request_url[2] == '/')) {
|
---|
| 442 | s->drv = 1;
|
---|
[155] | 443 | strcpy_s(s->filename, sizeof(s->filename), &s->message.request_url[2]);
|
---|
[154] | 444 | }
|
---|
| 445 | else {
|
---|
| 446 | s->drv = 0;
|
---|
[155] | 447 | strcpy_s(s->filename, sizeof(s->filename), s->message.request_url);
|
---|
[154] | 448 | }
|
---|
[101] | 449 |
|
---|
| 450 | /* httpd_log_file(uip_conn->ripaddr, s->message.request_url);*/
|
---|
| 451 | /* httpd_log(s->message.referer);*/
|
---|
| 452 |
|
---|
| 453 | if (httpd_strnicmp(http_websocket, s->message.upgrade, sizeof(s->message.upgrade)) == 0) {
|
---|
| 454 | s->state = STATE_WS_OUTPUT;
|
---|
| 455 |
|
---|
[155] | 456 | s->close_req = 0;
|
---|
[101] | 457 | websocket_init(&s->websocket, uip_getid((struct uip_conn *)((intptr_t)s - offsetof(struct uip_conn, appstate))));
|
---|
| 458 | for (;;) {
|
---|
| 459 | if(s->parse_len <= 0){
|
---|
| 460 | PT_YIELD(&s->sin.pt);
|
---|
| 461 | PSOCK_WAIT_UNTIL(&s->sin, psock_newdata(&s->sin));
|
---|
| 462 |
|
---|
| 463 | s->parse_pos = 0;
|
---|
| 464 | s->parse_len = uip_datalen();
|
---|
| 465 | }
|
---|
| 466 | data = &((const char *)uip_appdata)[s->parse_pos];
|
---|
| 467 | done = websocket_input(&s->websocket, (void *)data, s->parse_len);
|
---|
| 468 | if ((done != 0) || (s->websocket.rstate.opecode == connection_close)) {
|
---|
| 469 | s->close_req = 1;
|
---|
| 470 | PSOCK_CLOSE_EXIT(&s->sin);
|
---|
| 471 | break;
|
---|
| 472 | }
|
---|
| 473 | s->parse_pos = s->parse_len;
|
---|
| 474 | s->parse_len = 0;
|
---|
| 475 | }
|
---|
| 476 | }
|
---|
| 477 | else {
|
---|
| 478 | s->state = STATE_OUTPUT;
|
---|
| 479 |
|
---|
| 480 | while (1) {
|
---|
| 481 | PSOCK_READTO(&s->sin, ISO_nl);
|
---|
| 482 | }
|
---|
| 483 | }
|
---|
| 484 |
|
---|
| 485 | PSOCK_END(&s->sin);
|
---|
| 486 | }
|
---|
| 487 | /*---------------------------------------------------------------------------*/
|
---|
| 488 | static void
|
---|
| 489 | handle_connection(struct httpd_state *s)
|
---|
| 490 | {
|
---|
| 491 | handle_input(s);
|
---|
| 492 | switch (s->state) {
|
---|
| 493 | case STATE_OUTPUT:
|
---|
| 494 | handle_output(s);
|
---|
| 495 | break;
|
---|
| 496 | case STATE_WS_OUTPUT:
|
---|
| 497 | handle_ws_output(s);
|
---|
| 498 | break;
|
---|
| 499 | }
|
---|
| 500 | }
|
---|
| 501 | /*---------------------------------------------------------------------------*/
|
---|
| 502 | void
|
---|
| 503 | httpd_appcall(void)
|
---|
| 504 | {
|
---|
| 505 | struct httpd_state *s = (struct httpd_state *)&(uip_conn->appstate);
|
---|
| 506 |
|
---|
| 507 | if (uip_closed() || uip_aborted() || uip_timedout()) {
|
---|
| 508 | } else if (uip_connected()) {
|
---|
| 509 | if(s->state != STATE_WS_OUTPUT){
|
---|
| 510 | PSOCK_INIT(&s->sin, s->inputbuf, sizeof(s->inputbuf) - 1);
|
---|
| 511 | PSOCK_INIT(&s->sout, s->inputbuf, sizeof(s->inputbuf) - 1);
|
---|
| 512 | PT_INIT(&s->outputpt);
|
---|
| 513 | s->state = STATE_WAITING;
|
---|
| 514 | /* timer_set(&s->timer, CLOCK_SECOND * 100);*/
|
---|
| 515 | s->timer = 0;
|
---|
| 516 | handle_connection(s);
|
---|
| 517 | }
|
---|
| 518 | else {
|
---|
| 519 | handle_connection(s);
|
---|
| 520 | }
|
---|
| 521 | } else if (s != NULL) {
|
---|
| 522 | if(s->state != STATE_WS_OUTPUT){
|
---|
| 523 | if (uip_poll()) {
|
---|
| 524 | ++s->timer;
|
---|
| 525 | if (s->timer >= 20) {
|
---|
| 526 | uip_abort();
|
---|
| 527 | }
|
---|
| 528 | } else {
|
---|
| 529 | s->timer = 0;
|
---|
| 530 | }
|
---|
| 531 | }
|
---|
| 532 | handle_connection(s);
|
---|
| 533 | } else {
|
---|
| 534 | uip_abort();
|
---|
| 535 | }
|
---|
| 536 | }
|
---|
| 537 | /*---------------------------------------------------------------------------*/
|
---|
| 538 | /**
|
---|
| 539 | * \brief Initialize the web server
|
---|
| 540 | *
|
---|
| 541 | * This function initializes the web server and should be
|
---|
| 542 | * called at system boot-up.
|
---|
| 543 | */
|
---|
| 544 | void
|
---|
| 545 | httpd_init(void)
|
---|
| 546 | {
|
---|
| 547 | uip_listen(HTONS(41314));
|
---|
| 548 |
|
---|
| 549 | httpd_fs_init();
|
---|
| 550 | kadecot_names_init();
|
---|
| 551 | }
|
---|
| 552 | /*---------------------------------------------------------------------------*/
|
---|
| 553 | /** @} */
|
---|