Michael Spencer
Fork of Smoothie to port to mbed non-LPC targets.
Fork of
Smoothie
by 
Stéphane Cachat
libs/Network/uip/webserver/httpd.c@2:1df0b61d3b5a, 2014-02-28 (annotated)
- Committer:
- Michael J. Spencer
- Date:
- Fri Feb 28 18:52:52 2014 -0800
- Revision:
- 2:1df0b61d3b5a
Update to latest Smoothie.
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| Michael J. Spencer |
2:1df0b61d3b5a | 1 | #pragma GCC diagnostic ignored "-Wredundant-decls" |
| Michael J. Spencer |
2:1df0b61d3b5a | 2 | #pragma GCC diagnostic ignored "-Wstrict-aliasing" |
| Michael J. Spencer |
2:1df0b61d3b5a | 3 | #pragma GCC diagnostic ignored "-Wcast-align" |
| Michael J. Spencer |
2:1df0b61d3b5a | 4 | #pragma GCC diagnostic ignored "-Wcast-qual" |
| Michael J. Spencer |
2:1df0b61d3b5a | 5 | #pragma GCC diagnostic ignored "-Wunused-but-set-variable" |
| Michael J. Spencer |
2:1df0b61d3b5a | 6 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 7 | /** |
| Michael J. Spencer |
2:1df0b61d3b5a | 8 | * \addtogroup apps |
| Michael J. Spencer |
2:1df0b61d3b5a | 9 | * @{ |
| Michael J. Spencer |
2:1df0b61d3b5a | 10 | */ |
| Michael J. Spencer |
2:1df0b61d3b5a | 11 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 12 | /** |
| Michael J. Spencer |
2:1df0b61d3b5a | 13 | * \defgroup httpd Web server |
| Michael J. Spencer |
2:1df0b61d3b5a | 14 | * @{ |
| Michael J. Spencer |
2:1df0b61d3b5a | 15 | * The uIP web server is a very simplistic implementation of an HTTP |
| Michael J. Spencer |
2:1df0b61d3b5a | 16 | * server. It can serve web pages and files from a read-only ROM |
| Michael J. Spencer |
2:1df0b61d3b5a | 17 | * filesystem, and provides a very small scripting language. |
| Michael J. Spencer |
2:1df0b61d3b5a | 18 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 19 | */ |
| Michael J. Spencer |
2:1df0b61d3b5a | 20 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 21 | /** |
| Michael J. Spencer |
2:1df0b61d3b5a | 22 | * \file |
| Michael J. Spencer |
2:1df0b61d3b5a | 23 | * Web server |
| Michael J. Spencer |
2:1df0b61d3b5a | 24 | * \author |
| Michael J. Spencer |
2:1df0b61d3b5a | 25 | * Adam Dunkels <adam@sics.se> |
| Michael J. Spencer |
2:1df0b61d3b5a | 26 | */ |
| Michael J. Spencer |
2:1df0b61d3b5a | 27 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 28 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 29 | /* |
| Michael J. Spencer |
2:1df0b61d3b5a | 30 | * Copyright (c) 2004, Adam Dunkels. |
| Michael J. Spencer |
2:1df0b61d3b5a | 31 | * All rights reserved. |
| Michael J. Spencer |
2:1df0b61d3b5a | 32 | * |
| Michael J. Spencer |
2:1df0b61d3b5a | 33 | * Redistribution and use in source and binary forms, with or without |
| Michael J. Spencer |
2:1df0b61d3b5a | 34 | * modification, are permitted provided that the following conditions |
| Michael J. Spencer |
2:1df0b61d3b5a | 35 | * are met: |
| Michael J. Spencer |
2:1df0b61d3b5a | 36 | * 1. Redistributions of source code must retain the above copyright |
| Michael J. Spencer |
2:1df0b61d3b5a | 37 | * notice, this list of conditions and the following disclaimer. |
| Michael J. Spencer |
2:1df0b61d3b5a | 38 | * 2. Redistributions in binary form must reproduce the above copyright |
| Michael J. Spencer |
2:1df0b61d3b5a | 39 | * notice, this list of conditions and the following disclaimer in the |
| Michael J. Spencer |
2:1df0b61d3b5a | 40 | * documentation and/or other materials provided with the distribution. |
| Michael J. Spencer |
2:1df0b61d3b5a | 41 | * 3. Neither the name of the Institute nor the names of its contributors |
| Michael J. Spencer |
2:1df0b61d3b5a | 42 | * may be used to endorse or promote products derived from this software |
| Michael J. Spencer |
2:1df0b61d3b5a | 43 | * without specific prior written permission. |
| Michael J. Spencer |
2:1df0b61d3b5a | 44 | * |
| Michael J. Spencer |
2:1df0b61d3b5a | 45 | * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND |
| Michael J. Spencer |
2:1df0b61d3b5a | 46 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| Michael J. Spencer |
2:1df0b61d3b5a | 47 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| Michael J. Spencer |
2:1df0b61d3b5a | 48 | * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE |
| Michael J. Spencer |
2:1df0b61d3b5a | 49 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| Michael J. Spencer |
2:1df0b61d3b5a | 50 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| Michael J. Spencer |
2:1df0b61d3b5a | 51 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| Michael J. Spencer |
2:1df0b61d3b5a | 52 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| Michael J. Spencer |
2:1df0b61d3b5a | 53 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| Michael J. Spencer |
2:1df0b61d3b5a | 54 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| Michael J. Spencer |
2:1df0b61d3b5a | 55 | * SUCH DAMAGE. |
| Michael J. Spencer |
2:1df0b61d3b5a | 56 | * |
| Michael J. Spencer |
2:1df0b61d3b5a | 57 | * This file is part of the uIP TCP/IP stack. |
| Michael J. Spencer |
2:1df0b61d3b5a | 58 | * |
| Michael J. Spencer |
2:1df0b61d3b5a | 59 | * Author: Adam Dunkels <adam@sics.se> |
| Michael J. Spencer |
2:1df0b61d3b5a | 60 | * |
| Michael J. Spencer |
2:1df0b61d3b5a | 61 | * $Id: httpd.c,v 1.2 2006/06/11 21:46:38 adam Exp $ |
| Michael J. Spencer |
2:1df0b61d3b5a | 62 | */ |
| Michael J. Spencer |
2:1df0b61d3b5a | 63 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 64 | #include <stdio.h> |
| Michael J. Spencer |
2:1df0b61d3b5a | 65 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 66 | #include "uip.h" |
| Michael J. Spencer |
2:1df0b61d3b5a | 67 | #include "httpd.h" |
| Michael J. Spencer |
2:1df0b61d3b5a | 68 | #include "httpd-fs.h" |
| Michael J. Spencer |
2:1df0b61d3b5a | 69 | #include "http-strings.h" |
| Michael J. Spencer |
2:1df0b61d3b5a | 70 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 71 | #include <string.h> |
| Michael J. Spencer |
2:1df0b61d3b5a | 72 | #include "stdio.h" |
| Michael J. Spencer |
2:1df0b61d3b5a | 73 | #include "stdlib.h" |
| Michael J. Spencer |
2:1df0b61d3b5a | 74 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 75 | #include "CommandQueue.h" |
| Michael J. Spencer |
2:1df0b61d3b5a | 76 | #include "CallbackStream.h" |
| Michael J. Spencer |
2:1df0b61d3b5a | 77 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 78 | #include "c-fifo.h" |
| Michael J. Spencer |
2:1df0b61d3b5a | 79 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 80 | #define STATE_WAITING 0 |
| Michael J. Spencer |
2:1df0b61d3b5a | 81 | #define STATE_HEADERS 1 |
| Michael J. Spencer |
2:1df0b61d3b5a | 82 | #define STATE_BODY 2 |
| Michael J. Spencer |
2:1df0b61d3b5a | 83 | #define STATE_OUTPUT 3 |
| Michael J. Spencer |
2:1df0b61d3b5a | 84 | #define STATE_UPLOAD 4 |
| Michael J. Spencer |
2:1df0b61d3b5a | 85 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 86 | #define GET 1 |
| Michael J. Spencer |
2:1df0b61d3b5a | 87 | #define POST 2 |
| Michael J. Spencer |
2:1df0b61d3b5a | 88 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 89 | #define ISO_nl 0x0a |
| Michael J. Spencer |
2:1df0b61d3b5a | 90 | #define ISO_space 0x20 |
| Michael J. Spencer |
2:1df0b61d3b5a | 91 | #define ISO_bang 0x21 |
| Michael J. Spencer |
2:1df0b61d3b5a | 92 | #define ISO_percent 0x25 |
| Michael J. Spencer |
2:1df0b61d3b5a | 93 | #define ISO_period 0x2e |
| Michael J. Spencer |
2:1df0b61d3b5a | 94 | #define ISO_slash 0x2f |
| Michael J. Spencer |
2:1df0b61d3b5a | 95 | #define ISO_colon 0x3a |
| Michael J. Spencer |
2:1df0b61d3b5a | 96 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 97 | #define DEBUG_PRINTF printf |
| Michael J. Spencer |
2:1df0b61d3b5a | 98 | //#define DEBUG_PRINTF(...) |
| Michael J. Spencer |
2:1df0b61d3b5a | 99 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 100 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 101 | // this callback gets the results of a command, line by line. need to check if |
| Michael J. Spencer |
2:1df0b61d3b5a | 102 | // we need to stall the upstream sender return 0 if stalled 1 if ok to keep |
| Michael J. Spencer |
2:1df0b61d3b5a | 103 | // providing more -1 if the connection has closed or is not in output state. |
| Michael J. Spencer |
2:1df0b61d3b5a | 104 | // need to see which connection to send to based on state and add result to |
| Michael J. Spencer |
2:1df0b61d3b5a | 105 | // that fifo for each connection. NOTE this will not get called if the |
| Michael J. Spencer |
2:1df0b61d3b5a | 106 | // connection has been closed and the stream will get deleted when the last |
| Michael J. Spencer |
2:1df0b61d3b5a | 107 | // command has been executed |
| Michael J. Spencer |
2:1df0b61d3b5a | 108 | static int command_result(const char *str, void *state) |
| Michael J. Spencer |
2:1df0b61d3b5a | 109 | { |
| Michael J. Spencer |
2:1df0b61d3b5a | 110 | struct httpd_state *s = (struct httpd_state *)state; |
| Michael J. Spencer |
2:1df0b61d3b5a | 111 | if (s == NULL) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 112 | // connection was closed so discard, this should never happen |
| Michael J. Spencer |
2:1df0b61d3b5a | 113 | DEBUG_PRINTF("ERROR: command result for closed state %d\n", (int)state); |
| Michael J. Spencer |
2:1df0b61d3b5a | 114 | return -1; |
| Michael J. Spencer |
2:1df0b61d3b5a | 115 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 116 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 117 | if (str == NULL) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 118 | DEBUG_PRINTF("End of command (%p)\n", state); |
| Michael J. Spencer |
2:1df0b61d3b5a | 119 | fifo_push(s->fifo, NULL); |
| Michael J. Spencer |
2:1df0b61d3b5a | 120 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 121 | } else { |
| Michael J. Spencer |
2:1df0b61d3b5a | 122 | if (fifo_size(s->fifo) < 10) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 123 | DEBUG_PRINTF("Got command result (%p): %s", state, str); |
| Michael J. Spencer |
2:1df0b61d3b5a | 124 | fifo_push(s->fifo, strdup(str)); |
| Michael J. Spencer |
2:1df0b61d3b5a | 125 | return 1; |
| Michael J. Spencer |
2:1df0b61d3b5a | 126 | } else { |
| Michael J. Spencer |
2:1df0b61d3b5a | 127 | DEBUG_PRINTF("command result fifo is full (%p)\n", state); |
| Michael J. Spencer |
2:1df0b61d3b5a | 128 | return 0; |
| Michael J. Spencer |
2:1df0b61d3b5a | 129 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 130 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 131 | return 1; |
| Michael J. Spencer |
2:1df0b61d3b5a | 132 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 133 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 134 | static void create_callback_stream(struct httpd_state *s) |
| Michael J. Spencer |
2:1df0b61d3b5a | 135 | { |
| Michael J. Spencer |
2:1df0b61d3b5a | 136 | // need to create a callback stream here, but do one per connection pass |
| Michael J. Spencer |
2:1df0b61d3b5a | 137 | // the state to the callback, also create the fifo for the command results |
| Michael J. Spencer |
2:1df0b61d3b5a | 138 | s->fifo = new_fifo(); |
| Michael J. Spencer |
2:1df0b61d3b5a | 139 | s->pstream = new_callback_stream(command_result, s); |
| Michael J. Spencer |
2:1df0b61d3b5a | 140 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 141 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 142 | // Used to save files to SDCARD during upload |
| Michael J. Spencer |
2:1df0b61d3b5a | 143 | static FILE *fd; |
| Michael J. Spencer |
2:1df0b61d3b5a | 144 | static char *output_filename = NULL; |
| Michael J. Spencer |
2:1df0b61d3b5a | 145 | static int file_cnt = 0; |
| Michael J. Spencer |
2:1df0b61d3b5a | 146 | static int open_file(const char *fn) |
| Michael J. Spencer |
2:1df0b61d3b5a | 147 | { |
| Michael J. Spencer |
2:1df0b61d3b5a | 148 | if (output_filename != NULL) free(output_filename); |
| Michael J. Spencer |
2:1df0b61d3b5a | 149 | output_filename = malloc(strlen(fn) + 5); |
| Michael J. Spencer |
2:1df0b61d3b5a | 150 | strcpy(output_filename, "/sd/"); |
| Michael J. Spencer |
2:1df0b61d3b5a | 151 | strcat(output_filename, fn); |
| Michael J. Spencer |
2:1df0b61d3b5a | 152 | fd = fopen(output_filename, "w"); |
| Michael J. Spencer |
2:1df0b61d3b5a | 153 | if (fd == NULL) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 154 | free(output_filename); |
| Michael J. Spencer |
2:1df0b61d3b5a | 155 | output_filename = NULL; |
| Michael J. Spencer |
2:1df0b61d3b5a | 156 | return 0; |
| Michael J. Spencer |
2:1df0b61d3b5a | 157 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 158 | return 1; |
| Michael J. Spencer |
2:1df0b61d3b5a | 159 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 160 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 161 | static int close_file() |
| Michael J. Spencer |
2:1df0b61d3b5a | 162 | { |
| Michael J. Spencer |
2:1df0b61d3b5a | 163 | free(output_filename); |
| Michael J. Spencer |
2:1df0b61d3b5a | 164 | output_filename = NULL; |
| Michael J. Spencer |
2:1df0b61d3b5a | 165 | fclose(fd); |
| Michael J. Spencer |
2:1df0b61d3b5a | 166 | return 1; |
| Michael J. Spencer |
2:1df0b61d3b5a | 167 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 168 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 169 | static int save_file(uint8_t *buf, unsigned int len) |
| Michael J. Spencer |
2:1df0b61d3b5a | 170 | { |
| Michael J. Spencer |
2:1df0b61d3b5a | 171 | if (fwrite(buf, 1, len, fd) == len) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 172 | file_cnt += len; |
| Michael J. Spencer |
2:1df0b61d3b5a | 173 | // HACK alert work around bug causing file corruption when writing large amounts of data |
| Michael J. Spencer |
2:1df0b61d3b5a | 174 | if (file_cnt >= 400) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 175 | file_cnt = 0; |
| Michael J. Spencer |
2:1df0b61d3b5a | 176 | fclose(fd); |
| Michael J. Spencer |
2:1df0b61d3b5a | 177 | fd = fopen(output_filename, "a"); |
| Michael J. Spencer |
2:1df0b61d3b5a | 178 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 179 | return 1; |
| Michael J. Spencer |
2:1df0b61d3b5a | 180 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 181 | } else { |
| Michael J. Spencer |
2:1df0b61d3b5a | 182 | close_file(); |
| Michael J. Spencer |
2:1df0b61d3b5a | 183 | return 0; |
| Michael J. Spencer |
2:1df0b61d3b5a | 184 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 185 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 186 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 187 | static int fs_open(struct httpd_state *s) |
| Michael J. Spencer |
2:1df0b61d3b5a | 188 | { |
| Michael J. Spencer |
2:1df0b61d3b5a | 189 | if (strncmp(s->filename, "/sd/", 4) == 0) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 190 | DEBUG_PRINTF("Opening file %s\n", s->filename); |
| Michael J. Spencer |
2:1df0b61d3b5a | 191 | s->fd = fopen(s->filename, "r"); |
| Michael J. Spencer |
2:1df0b61d3b5a | 192 | if (s->fd == NULL) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 193 | DEBUG_PRINTF("Failed to open: %s\n", s->filename); |
| Michael J. Spencer |
2:1df0b61d3b5a | 194 | return 0; |
| Michael J. Spencer |
2:1df0b61d3b5a | 195 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 196 | return 1; |
| Michael J. Spencer |
2:1df0b61d3b5a | 197 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 198 | } else { |
| Michael J. Spencer |
2:1df0b61d3b5a | 199 | s->fd = NULL; |
| Michael J. Spencer |
2:1df0b61d3b5a | 200 | return httpd_fs_open(s->filename, &s->file); |
| Michael J. Spencer |
2:1df0b61d3b5a | 201 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 202 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 203 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 204 | /*---------------------------------------------------------------------------*/ |
| Michael J. Spencer |
2:1df0b61d3b5a | 205 | static PT_THREAD(send_command_response(struct httpd_state *s)) |
| Michael J. Spencer |
2:1df0b61d3b5a | 206 | { |
| Michael J. Spencer |
2:1df0b61d3b5a | 207 | PSOCK_BEGIN(&s->sout); |
| Michael J. Spencer |
2:1df0b61d3b5a | 208 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 209 | do { |
| Michael J. Spencer |
2:1df0b61d3b5a | 210 | PSOCK_WAIT_UNTIL( &s->sout, fifo_size(s->fifo) > 0 ); |
| Michael J. Spencer |
2:1df0b61d3b5a | 211 | s->strbuf = fifo_pop(s->fifo); |
| Michael J. Spencer |
2:1df0b61d3b5a | 212 | if (s->strbuf != NULL) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 213 | // send it |
| Michael J. Spencer |
2:1df0b61d3b5a | 214 | DEBUG_PRINTF("Sending response: %s", s->strbuf); |
| Michael J. Spencer |
2:1df0b61d3b5a | 215 | // TODO send as much as we can in one packet |
| Michael J. Spencer |
2:1df0b61d3b5a | 216 | PSOCK_SEND_STR(&s->sout, s->strbuf); |
| Michael J. Spencer |
2:1df0b61d3b5a | 217 | // free the strdup |
| Michael J. Spencer |
2:1df0b61d3b5a | 218 | free(s->strbuf); |
| Michael J. Spencer |
2:1df0b61d3b5a | 219 | }else if(--s->command_count <= 0) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 220 | // when all commands have completed exit |
| Michael J. Spencer |
2:1df0b61d3b5a | 221 | break; |
| Michael J. Spencer |
2:1df0b61d3b5a | 222 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 223 | } while (1); |
| Michael J. Spencer |
2:1df0b61d3b5a | 224 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 225 | PSOCK_END(&s->sout); |
| Michael J. Spencer |
2:1df0b61d3b5a | 226 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 227 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 228 | /*---------------------------------------------------------------------------*/ |
| Michael J. Spencer |
2:1df0b61d3b5a | 229 | static unsigned short generate_part_of_file(void *state) |
| Michael J. Spencer |
2:1df0b61d3b5a | 230 | { |
| Michael J. Spencer |
2:1df0b61d3b5a | 231 | struct httpd_state *s = (struct httpd_state *)state; |
| Michael J. Spencer |
2:1df0b61d3b5a | 232 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 233 | if (s->file.len > uip_mss()) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 234 | s->len = uip_mss(); |
| Michael J. Spencer |
2:1df0b61d3b5a | 235 | } else { |
| Michael J. Spencer |
2:1df0b61d3b5a | 236 | s->len = s->file.len; |
| Michael J. Spencer |
2:1df0b61d3b5a | 237 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 238 | memcpy(uip_appdata, s->file.data, s->len); |
| Michael J. Spencer |
2:1df0b61d3b5a | 239 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 240 | return s->len; |
| Michael J. Spencer |
2:1df0b61d3b5a | 241 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 242 | /*---------------------------------------------------------------------------*/ |
| Michael J. Spencer |
2:1df0b61d3b5a | 243 | static unsigned short generate_part_of_sd_file(void *state) |
| Michael J. Spencer |
2:1df0b61d3b5a | 244 | { |
| Michael J. Spencer |
2:1df0b61d3b5a | 245 | struct httpd_state *s = (struct httpd_state *)state; |
| Michael J. Spencer |
2:1df0b61d3b5a | 246 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 247 | int len = fread(uip_appdata, 1, uip_mss(), s->fd); |
| Michael J. Spencer |
2:1df0b61d3b5a | 248 | if (len <= 0) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 249 | // we need to send something |
| Michael J. Spencer |
2:1df0b61d3b5a | 250 | strcpy(uip_appdata, "\r\n"); |
| Michael J. Spencer |
2:1df0b61d3b5a | 251 | len = 2; |
| Michael J. Spencer |
2:1df0b61d3b5a | 252 | s->len = 0; |
| Michael J. Spencer |
2:1df0b61d3b5a | 253 | } else { |
| Michael J. Spencer |
2:1df0b61d3b5a | 254 | s->len = len; |
| Michael J. Spencer |
2:1df0b61d3b5a | 255 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 256 | return len; |
| Michael J. Spencer |
2:1df0b61d3b5a | 257 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 258 | /*---------------------------------------------------------------------------*/ |
| Michael J. Spencer |
2:1df0b61d3b5a | 259 | static |
| Michael J. Spencer |
2:1df0b61d3b5a | 260 | PT_THREAD(send_file(struct httpd_state *s)) |
| Michael J. Spencer |
2:1df0b61d3b5a | 261 | { |
| Michael J. Spencer |
2:1df0b61d3b5a | 262 | PSOCK_BEGIN(&s->sout); |
| Michael J. Spencer |
2:1df0b61d3b5a | 263 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 264 | do { |
| Michael J. Spencer |
2:1df0b61d3b5a | 265 | PSOCK_GENERATOR_SEND(&s->sout, generate_part_of_file, s); |
| Michael J. Spencer |
2:1df0b61d3b5a | 266 | s->file.len -= s->len; |
| Michael J. Spencer |
2:1df0b61d3b5a | 267 | s->file.data += s->len; |
| Michael J. Spencer |
2:1df0b61d3b5a | 268 | } while (s->file.len > 0); |
| Michael J. Spencer |
2:1df0b61d3b5a | 269 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 270 | PSOCK_END(&s->sout); |
| Michael J. Spencer |
2:1df0b61d3b5a | 271 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 272 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 273 | /*---------------------------------------------------------------------------*/ |
| Michael J. Spencer |
2:1df0b61d3b5a | 274 | static PT_THREAD(send_sd_file(struct httpd_state *s)) |
| Michael J. Spencer |
2:1df0b61d3b5a | 275 | { |
| Michael J. Spencer |
2:1df0b61d3b5a | 276 | PSOCK_BEGIN(&s->sout); |
| Michael J. Spencer |
2:1df0b61d3b5a | 277 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 278 | do { |
| Michael J. Spencer |
2:1df0b61d3b5a | 279 | PSOCK_GENERATOR_SEND(&s->sout, generate_part_of_sd_file, s); |
| Michael J. Spencer |
2:1df0b61d3b5a | 280 | } while (s->len > 0); |
| Michael J. Spencer |
2:1df0b61d3b5a | 281 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 282 | fclose(s->fd); |
| Michael J. Spencer |
2:1df0b61d3b5a | 283 | s->fd = NULL; |
| Michael J. Spencer |
2:1df0b61d3b5a | 284 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 285 | PSOCK_END(&s->sout); |
| Michael J. Spencer |
2:1df0b61d3b5a | 286 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 287 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 288 | /*---------------------------------------------------------------------------*/ |
| Michael J. Spencer |
2:1df0b61d3b5a | 289 | static PT_THREAD(send_headers_3(struct httpd_state *s, const char *statushdr, char send_content_type)) |
| Michael J. Spencer |
2:1df0b61d3b5a | 290 | { |
| Michael J. Spencer |
2:1df0b61d3b5a | 291 | char *ptr; |
| Michael J. Spencer |
2:1df0b61d3b5a | 292 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 293 | PSOCK_BEGIN(&s->sout); |
| Michael J. Spencer |
2:1df0b61d3b5a | 294 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 295 | PSOCK_SEND_STR(&s->sout, statushdr); |
| Michael J. Spencer |
2:1df0b61d3b5a | 296 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 297 | if (send_content_type) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 298 | ptr = strrchr(s->filename, ISO_period); |
| Michael J. Spencer |
2:1df0b61d3b5a | 299 | if (ptr == NULL) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 300 | PSOCK_SEND_STR(&s->sout, http_content_type_plain); // http_content_type_binary); |
| Michael J. Spencer |
2:1df0b61d3b5a | 301 | } else if (strncmp(http_html, ptr, 5) == 0 || strncmp(http_shtml, ptr, 6) == 0) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 302 | PSOCK_SEND_STR(&s->sout, http_content_type_html); |
| Michael J. Spencer |
2:1df0b61d3b5a | 303 | } else if (strncmp(http_css, ptr, 4) == 0) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 304 | PSOCK_SEND_STR(&s->sout, http_content_type_css); |
| Michael J. Spencer |
2:1df0b61d3b5a | 305 | } else if (strncmp(http_png, ptr, 4) == 0) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 306 | PSOCK_SEND_STR(&s->sout, http_content_type_png); |
| Michael J. Spencer |
2:1df0b61d3b5a | 307 | } else if (strncmp(http_gif, ptr, 4) == 0) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 308 | PSOCK_SEND_STR(&s->sout, http_content_type_gif); |
| Michael J. Spencer |
2:1df0b61d3b5a | 309 | } else if (strncmp(http_jpg, ptr, 4) == 0) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 310 | PSOCK_SEND_STR(&s->sout, http_content_type_jpg); |
| Michael J. Spencer |
2:1df0b61d3b5a | 311 | } else { |
| Michael J. Spencer |
2:1df0b61d3b5a | 312 | PSOCK_SEND_STR(&s->sout, http_content_type_plain); |
| Michael J. Spencer |
2:1df0b61d3b5a | 313 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 314 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 315 | PSOCK_END(&s->sout); |
| Michael J. Spencer |
2:1df0b61d3b5a | 316 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 317 | static PT_THREAD(send_headers(struct httpd_state *s, const char *statushdr)) |
| Michael J. Spencer |
2:1df0b61d3b5a | 318 | { |
| Michael J. Spencer |
2:1df0b61d3b5a | 319 | return send_headers_3(s, statushdr, 1); |
| Michael J. Spencer |
2:1df0b61d3b5a | 320 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 321 | /*---------------------------------------------------------------------------*/ |
| Michael J. Spencer |
2:1df0b61d3b5a | 322 | static |
| Michael J. Spencer |
2:1df0b61d3b5a | 323 | PT_THREAD(handle_output(struct httpd_state *s)) |
| Michael J. Spencer |
2:1df0b61d3b5a | 324 | { |
| Michael J. Spencer |
2:1df0b61d3b5a | 325 | PT_BEGIN(&s->outputpt); |
| Michael J. Spencer |
2:1df0b61d3b5a | 326 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 327 | if (s->method == POST) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 328 | if (strcmp(s->filename, "/command") == 0) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 329 | DEBUG_PRINTF("Executed command post\n"); |
| Michael J. Spencer |
2:1df0b61d3b5a | 330 | PT_WAIT_THREAD(&s->outputpt, send_headers(s, http_header_200)); |
| Michael J. Spencer |
2:1df0b61d3b5a | 331 | // send response as we get it |
| Michael J. Spencer |
2:1df0b61d3b5a | 332 | PT_WAIT_THREAD(&s->outputpt, send_command_response(s)); |
| Michael J. Spencer |
2:1df0b61d3b5a | 333 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 334 | } else if (strcmp(s->filename, "/command_silent") == 0) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 335 | DEBUG_PRINTF("Executed silent command post\n"); |
| Michael J. Spencer |
2:1df0b61d3b5a | 336 | PT_WAIT_THREAD(&s->outputpt, send_headers(s, http_header_200)); |
| Michael J. Spencer |
2:1df0b61d3b5a | 337 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 338 | } else if (strcmp(s->filename, "/upload") == 0) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 339 | DEBUG_PRINTF("upload output: %d\n", s->uploadok); |
| Michael J. Spencer |
2:1df0b61d3b5a | 340 | if (s->uploadok == 0) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 341 | PT_WAIT_THREAD(&s->outputpt, send_headers(s, http_header_503)); |
| Michael J. Spencer |
2:1df0b61d3b5a | 342 | PSOCK_SEND_STR(&s->sout, "FAILED\r\n"); |
| Michael J. Spencer |
2:1df0b61d3b5a | 343 | } else { |
| Michael J. Spencer |
2:1df0b61d3b5a | 344 | PT_WAIT_THREAD(&s->outputpt, send_headers(s, http_header_200)); |
| Michael J. Spencer |
2:1df0b61d3b5a | 345 | PSOCK_SEND_STR(&s->sout, "OK\r\n"); |
| Michael J. Spencer |
2:1df0b61d3b5a | 346 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 347 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 348 | } else { |
| Michael J. Spencer |
2:1df0b61d3b5a | 349 | DEBUG_PRINTF("Unknown POST: %s\n", s->filename); |
| Michael J. Spencer |
2:1df0b61d3b5a | 350 | httpd_fs_open(http_404_html, &s->file); |
| Michael J. Spencer |
2:1df0b61d3b5a | 351 | strcpy(s->filename, http_404_html); |
| Michael J. Spencer |
2:1df0b61d3b5a | 352 | PT_WAIT_THREAD(&s->outputpt, send_headers(s, http_header_404)); |
| Michael J. Spencer |
2:1df0b61d3b5a | 353 | PT_WAIT_THREAD(&s->outputpt, send_file(s)); |
| Michael J. Spencer |
2:1df0b61d3b5a | 354 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 355 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 356 | } else { |
| Michael J. Spencer |
2:1df0b61d3b5a | 357 | // Presume method GET |
| Michael J. Spencer |
2:1df0b61d3b5a | 358 | if (!fs_open(s)) { // Note this has the side effect of opening the file |
| Michael J. Spencer |
2:1df0b61d3b5a | 359 | DEBUG_PRINTF("404 file not found\n"); |
| Michael J. Spencer |
2:1df0b61d3b5a | 360 | httpd_fs_open(http_404_html, &s->file); |
| Michael J. Spencer |
2:1df0b61d3b5a | 361 | strcpy(s->filename, http_404_html); |
| Michael J. Spencer |
2:1df0b61d3b5a | 362 | PT_WAIT_THREAD(&s->outputpt, send_headers(s, http_header_404)); |
| Michael J. Spencer |
2:1df0b61d3b5a | 363 | PT_WAIT_THREAD(&s->outputpt, send_file(s)); |
| Michael J. Spencer |
2:1df0b61d3b5a | 364 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 365 | } else if (s->cache_page) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 366 | if (s->fd != NULL) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 367 | // if it was an sd file then we need to close it |
| Michael J. Spencer |
2:1df0b61d3b5a | 368 | fclose(s->fd); |
| Michael J. Spencer |
2:1df0b61d3b5a | 369 | s->fd = NULL; |
| Michael J. Spencer |
2:1df0b61d3b5a | 370 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 371 | // tell it it has not changed |
| Michael J. Spencer |
2:1df0b61d3b5a | 372 | DEBUG_PRINTF("304 Not Modified\n"); |
| Michael J. Spencer |
2:1df0b61d3b5a | 373 | PT_WAIT_THREAD(&s->outputpt, send_headers_3(s, http_header_304, 0)); |
| Michael J. Spencer |
2:1df0b61d3b5a | 374 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 375 | } else { |
| Michael J. Spencer |
2:1df0b61d3b5a | 376 | DEBUG_PRINTF("sending file %s\n", s->filename); |
| Michael J. Spencer |
2:1df0b61d3b5a | 377 | PT_WAIT_THREAD(&s->outputpt, send_headers(s, http_header_200)); |
| Michael J. Spencer |
2:1df0b61d3b5a | 378 | if (s->fd != NULL) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 379 | // send from sd card |
| Michael J. Spencer |
2:1df0b61d3b5a | 380 | PT_WAIT_THREAD(&s->outputpt, send_sd_file(s)); |
| Michael J. Spencer |
2:1df0b61d3b5a | 381 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 382 | } else { |
| Michael J. Spencer |
2:1df0b61d3b5a | 383 | // send from FLASH |
| Michael J. Spencer |
2:1df0b61d3b5a | 384 | PT_WAIT_THREAD(&s->outputpt, send_file(s)); |
| Michael J. Spencer |
2:1df0b61d3b5a | 385 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 386 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 387 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 388 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 389 | PSOCK_CLOSE(&s->sout); |
| Michael J. Spencer |
2:1df0b61d3b5a | 390 | PT_END(&s->outputpt); |
| Michael J. Spencer |
2:1df0b61d3b5a | 391 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 392 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 393 | /*---------------------------------------------------------------------------*/ |
| Michael J. Spencer |
2:1df0b61d3b5a | 394 | // this forces us to yield every other call as we read all data everytime |
| Michael J. Spencer |
2:1df0b61d3b5a | 395 | static char has_newdata(struct httpd_state *s) |
| Michael J. Spencer |
2:1df0b61d3b5a | 396 | { |
| Michael J. Spencer |
2:1df0b61d3b5a | 397 | if (s->upload_state == 1) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 398 | /* All data in uip_appdata buffer already consumed. */ |
| Michael J. Spencer |
2:1df0b61d3b5a | 399 | s->upload_state = 0; |
| Michael J. Spencer |
2:1df0b61d3b5a | 400 | return 0; |
| Michael J. Spencer |
2:1df0b61d3b5a | 401 | } else if (uip_newdata()) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 402 | /* There is new data that has not been consumed. */ |
| Michael J. Spencer |
2:1df0b61d3b5a | 403 | return 1; |
| Michael J. Spencer |
2:1df0b61d3b5a | 404 | } else { |
| Michael J. Spencer |
2:1df0b61d3b5a | 405 | /* There is no new data. */ |
| Michael J. Spencer |
2:1df0b61d3b5a | 406 | return 0; |
| Michael J. Spencer |
2:1df0b61d3b5a | 407 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 408 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 409 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 410 | /* |
| Michael J. Spencer |
2:1df0b61d3b5a | 411 | * handle trhe uploaded data, as there may be part of that buffer still in the last packet buffer |
| Michael J. Spencer |
2:1df0b61d3b5a | 412 | * write that first from the buf/len parameters |
| Michael J. Spencer |
2:1df0b61d3b5a | 413 | */ |
| Michael J. Spencer |
2:1df0b61d3b5a | 414 | static PT_THREAD(handle_uploaded_data(struct httpd_state *s, uint8_t *buf, int len)) |
| Michael J. Spencer |
2:1df0b61d3b5a | 415 | { |
| Michael J. Spencer |
2:1df0b61d3b5a | 416 | PT_BEGIN(&s->inputpt); |
| Michael J. Spencer |
2:1df0b61d3b5a | 417 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 418 | DEBUG_PRINTF("Uploading file: %s, %d\n", s->upload_name, s->content_length); |
| Michael J. Spencer |
2:1df0b61d3b5a | 419 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 420 | // The body is the raw data to be stored to the file |
| Michael J. Spencer |
2:1df0b61d3b5a | 421 | if (!open_file(s->upload_name)) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 422 | DEBUG_PRINTF("failed to open file\n"); |
| Michael J. Spencer |
2:1df0b61d3b5a | 423 | s->uploadok = 0; |
| Michael J. Spencer |
2:1df0b61d3b5a | 424 | PT_EXIT(&s->inputpt); |
| Michael J. Spencer |
2:1df0b61d3b5a | 425 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 426 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 427 | DEBUG_PRINTF("opened file: %s\n", s->upload_name); |
| Michael J. Spencer |
2:1df0b61d3b5a | 428 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 429 | if (len > 0) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 430 | // write the first part of the buffer |
| Michael J. Spencer |
2:1df0b61d3b5a | 431 | if (!save_file(buf, len)) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 432 | DEBUG_PRINTF("initial write failed\n"); |
| Michael J. Spencer |
2:1df0b61d3b5a | 433 | s->uploadok = 0; |
| Michael J. Spencer |
2:1df0b61d3b5a | 434 | PT_EXIT(&s->inputpt); |
| Michael J. Spencer |
2:1df0b61d3b5a | 435 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 436 | s->content_length -= len; |
| Michael J. Spencer |
2:1df0b61d3b5a | 437 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 438 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 439 | s->upload_state = 1; // first time through we need to yield to get new data |
| Michael J. Spencer |
2:1df0b61d3b5a | 440 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 441 | // save the entire input buffer |
| Michael J. Spencer |
2:1df0b61d3b5a | 442 | while (s->content_length > 0) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 443 | PT_WAIT_UNTIL(&s->inputpt, has_newdata(s)); |
| Michael J. Spencer |
2:1df0b61d3b5a | 444 | s->upload_state = 1; |
| Michael J. Spencer |
2:1df0b61d3b5a | 445 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 446 | u8_t *readptr = (u8_t *)uip_appdata; |
| Michael J. Spencer |
2:1df0b61d3b5a | 447 | int readlen = uip_datalen(); |
| Michael J. Spencer |
2:1df0b61d3b5a | 448 | //DEBUG_PRINTF("read %d bytes of data\n", readlen); |
| Michael J. Spencer |
2:1df0b61d3b5a | 449 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 450 | if (readlen > 0) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 451 | if (!save_file(readptr, readlen)) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 452 | DEBUG_PRINTF("write failed\n"); |
| Michael J. Spencer |
2:1df0b61d3b5a | 453 | s->uploadok = 0; |
| Michael J. Spencer |
2:1df0b61d3b5a | 454 | PT_EXIT(&s->inputpt); |
| Michael J. Spencer |
2:1df0b61d3b5a | 455 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 456 | s->content_length -= readlen; |
| Michael J. Spencer |
2:1df0b61d3b5a | 457 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 458 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 459 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 460 | close_file(); |
| Michael J. Spencer |
2:1df0b61d3b5a | 461 | s->uploadok = 1; |
| Michael J. Spencer |
2:1df0b61d3b5a | 462 | DEBUG_PRINTF("finished upload\n"); |
| Michael J. Spencer |
2:1df0b61d3b5a | 463 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 464 | PT_END(&s->inputpt); |
| Michael J. Spencer |
2:1df0b61d3b5a | 465 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 466 | /*---------------------------------------------------------------------------*/ |
| Michael J. Spencer |
2:1df0b61d3b5a | 467 | static |
| Michael J. Spencer |
2:1df0b61d3b5a | 468 | PT_THREAD(handle_input(struct httpd_state *s)) |
| Michael J. Spencer |
2:1df0b61d3b5a | 469 | { |
| Michael J. Spencer |
2:1df0b61d3b5a | 470 | PSOCK_BEGIN(&s->sin); |
| Michael J. Spencer |
2:1df0b61d3b5a | 471 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 472 | PSOCK_READTO(&s->sin, ISO_space); |
| Michael J. Spencer |
2:1df0b61d3b5a | 473 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 474 | if (strncmp(s->inputbuf, http_get, 4) == 0) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 475 | s->method = GET; |
| Michael J. Spencer |
2:1df0b61d3b5a | 476 | } else if (strncmp(s->inputbuf, http_post, 4) == 0) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 477 | s->method = POST; |
| Michael J. Spencer |
2:1df0b61d3b5a | 478 | } else { |
| Michael J. Spencer |
2:1df0b61d3b5a | 479 | DEBUG_PRINTF("Unexpected method: %s\n", s->inputbuf); |
| Michael J. Spencer |
2:1df0b61d3b5a | 480 | PSOCK_CLOSE_EXIT(&s->sin); |
| Michael J. Spencer |
2:1df0b61d3b5a | 481 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 482 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 483 | DEBUG_PRINTF("Method: %s\n", s->method == POST ? "POST" : "GET"); |
| Michael J. Spencer |
2:1df0b61d3b5a | 484 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 485 | PSOCK_READTO(&s->sin, ISO_space); |
| Michael J. Spencer |
2:1df0b61d3b5a | 486 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 487 | if (s->inputbuf[0] != ISO_slash) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 488 | PSOCK_CLOSE_EXIT(&s->sin); |
| Michael J. Spencer |
2:1df0b61d3b5a | 489 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 490 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 491 | if (s->inputbuf[1] == ISO_space) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 492 | strncpy(s->filename, http_index_html, sizeof(s->filename)); |
| Michael J. Spencer |
2:1df0b61d3b5a | 493 | } else { |
| Michael J. Spencer |
2:1df0b61d3b5a | 494 | s->inputbuf[PSOCK_DATALEN(&s->sin) - 1] = 0; |
| Michael J. Spencer |
2:1df0b61d3b5a | 495 | strncpy(s->filename, &s->inputbuf[0], sizeof(s->filename)); |
| Michael J. Spencer |
2:1df0b61d3b5a | 496 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 497 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 498 | DEBUG_PRINTF("filename: %s\n", s->filename); |
| Michael J. Spencer |
2:1df0b61d3b5a | 499 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 500 | /* httpd_log_file(uip_conn->ripaddr, s->filename);*/ |
| Michael J. Spencer |
2:1df0b61d3b5a | 501 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 502 | s->state = STATE_HEADERS; |
| Michael J. Spencer |
2:1df0b61d3b5a | 503 | s->content_length = 0; |
| Michael J. Spencer |
2:1df0b61d3b5a | 504 | s->cache_page = 0; |
| Michael J. Spencer |
2:1df0b61d3b5a | 505 | while (1) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 506 | if (s->state == STATE_HEADERS) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 507 | // read the headers of the request |
| Michael J. Spencer |
2:1df0b61d3b5a | 508 | PSOCK_READTO(&s->sin, ISO_nl); |
| Michael J. Spencer |
2:1df0b61d3b5a | 509 | s->inputbuf[PSOCK_DATALEN(&s->sin) - 1] = 0; |
| Michael J. Spencer |
2:1df0b61d3b5a | 510 | if (s->inputbuf[0] == '\r') { |
| Michael J. Spencer |
2:1df0b61d3b5a | 511 | DEBUG_PRINTF("end of headers\n"); |
| Michael J. Spencer |
2:1df0b61d3b5a | 512 | if (s->method == GET) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 513 | s->state = STATE_OUTPUT; |
| Michael J. Spencer |
2:1df0b61d3b5a | 514 | break; |
| Michael J. Spencer |
2:1df0b61d3b5a | 515 | } else if (s->method == POST) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 516 | if (strcmp(s->filename, "/upload") == 0) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 517 | s->state = STATE_UPLOAD; |
| Michael J. Spencer |
2:1df0b61d3b5a | 518 | } else { |
| Michael J. Spencer |
2:1df0b61d3b5a | 519 | s->state = STATE_BODY; |
| Michael J. Spencer |
2:1df0b61d3b5a | 520 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 521 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 522 | } else { |
| Michael J. Spencer |
2:1df0b61d3b5a | 523 | DEBUG_PRINTF("reading header: %s\n", s->inputbuf); |
| Michael J. Spencer |
2:1df0b61d3b5a | 524 | // handle headers here |
| Michael J. Spencer |
2:1df0b61d3b5a | 525 | if (strncmp(s->inputbuf, http_content_length, sizeof(http_content_length) - 1) == 0) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 526 | s->inputbuf[PSOCK_DATALEN(&s->sin) - 2] = 0; |
| Michael J. Spencer |
2:1df0b61d3b5a | 527 | s->content_length = atoi(&s->inputbuf[sizeof(http_content_length) - 1]); |
| Michael J. Spencer |
2:1df0b61d3b5a | 528 | DEBUG_PRINTF("Content length= %s, %d\n", &s->inputbuf[sizeof(http_content_length) - 1], s->content_length); |
| Michael J. Spencer |
2:1df0b61d3b5a | 529 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 530 | } else if (strncmp(s->inputbuf, "X-Filename: ", 11) == 0) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 531 | s->inputbuf[PSOCK_DATALEN(&s->sin) - 2] = 0; |
| Michael J. Spencer |
2:1df0b61d3b5a | 532 | strncpy(s->upload_name, &s->inputbuf[12], sizeof(s->upload_name) - 1); |
| Michael J. Spencer |
2:1df0b61d3b5a | 533 | DEBUG_PRINTF("Upload name= %s\n", s->upload_name); |
| Michael J. Spencer |
2:1df0b61d3b5a | 534 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 535 | } else if (strncmp(s->inputbuf, http_cache_control, sizeof(http_cache_control) - 1) == 0) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 536 | s->inputbuf[PSOCK_DATALEN(&s->sin) - 2] = 0; |
| Michael J. Spencer |
2:1df0b61d3b5a | 537 | s->cache_page = strncmp(http_no_cache, &s->inputbuf[sizeof(http_cache_control) - 1], sizeof(http_no_cache) - 1) != 0; |
| Michael J. Spencer |
2:1df0b61d3b5a | 538 | DEBUG_PRINTF("cache page= %d\n", s->cache_page); |
| Michael J. Spencer |
2:1df0b61d3b5a | 539 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 540 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 541 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 542 | } else if (s->state == STATE_BODY) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 543 | if (s->method == POST && strcmp(s->filename, "/command") == 0) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 544 | // create a callback stream and fifo for the results as it is a command |
| Michael J. Spencer |
2:1df0b61d3b5a | 545 | create_callback_stream(s); |
| Michael J. Spencer |
2:1df0b61d3b5a | 546 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 547 | } else if (s->method == POST && strcmp(s->filename, "/command_silent") == 0) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 548 | // stick the command on the command queue specifying null output stream |
| Michael J. Spencer |
2:1df0b61d3b5a | 549 | s->pstream = NULL; |
| Michael J. Spencer |
2:1df0b61d3b5a | 550 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 551 | } else { // unknown POST |
| Michael J. Spencer |
2:1df0b61d3b5a | 552 | DEBUG_PRINTF("Unknown Post URL: %s\n", s->filename); |
| Michael J. Spencer |
2:1df0b61d3b5a | 553 | s->state = STATE_OUTPUT; |
| Michael J. Spencer |
2:1df0b61d3b5a | 554 | break; |
| Michael J. Spencer |
2:1df0b61d3b5a | 555 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 556 | s->command_count= 0; |
| Michael J. Spencer |
2:1df0b61d3b5a | 557 | // read the Body of the request, each line is a command |
| Michael J. Spencer |
2:1df0b61d3b5a | 558 | if (s->content_length > 0) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 559 | DEBUG_PRINTF("start reading body %d...\n", s->content_length); |
| Michael J. Spencer |
2:1df0b61d3b5a | 560 | while (s->content_length > 2) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 561 | PSOCK_READTO(&s->sin, ISO_nl); |
| Michael J. Spencer |
2:1df0b61d3b5a | 562 | s->inputbuf[PSOCK_DATALEN(&s->sin) - 1] = 0; |
| Michael J. Spencer |
2:1df0b61d3b5a | 563 | s->content_length -= PSOCK_DATALEN(&s->sin); |
| Michael J. Spencer |
2:1df0b61d3b5a | 564 | // stick the command on the command queue, with this connections stream output |
| Michael J. Spencer |
2:1df0b61d3b5a | 565 | DEBUG_PRINTF("Adding command: %s, left: %d\n", s->inputbuf, s->content_length); |
| Michael J. Spencer |
2:1df0b61d3b5a | 566 | network_add_command(s->inputbuf, s->pstream); |
| Michael J. Spencer |
2:1df0b61d3b5a | 567 | s->command_count++; // count number of command lines we submit |
| Michael J. Spencer |
2:1df0b61d3b5a | 568 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 569 | DEBUG_PRINTF("Read body done\n"); |
| Michael J. Spencer |
2:1df0b61d3b5a | 570 | s->state = STATE_OUTPUT; |
| Michael J. Spencer |
2:1df0b61d3b5a | 571 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 572 | } else { |
| Michael J. Spencer |
2:1df0b61d3b5a | 573 | s->state = STATE_OUTPUT; |
| Michael J. Spencer |
2:1df0b61d3b5a | 574 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 575 | break; |
| Michael J. Spencer |
2:1df0b61d3b5a | 576 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 577 | } else if (s->state == STATE_UPLOAD) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 578 | PSOCK_WAIT_THREAD(&s->sin, handle_uploaded_data(s, PSOCK_GET_START_OF_REST_OF_BUFFER(&s->sin), PSOCK_GET_LENGTH_OF_REST_OF_BUFFER(&s->sin))); |
| Michael J. Spencer |
2:1df0b61d3b5a | 579 | PSOCK_MARK_BUFFER_READ(&s->sin); |
| Michael J. Spencer |
2:1df0b61d3b5a | 580 | s->state = STATE_OUTPUT; |
| Michael J. Spencer |
2:1df0b61d3b5a | 581 | break; |
| Michael J. Spencer |
2:1df0b61d3b5a | 582 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 583 | } else { |
| Michael J. Spencer |
2:1df0b61d3b5a | 584 | DEBUG_PRINTF("WTF State: %d", s->state); |
| Michael J. Spencer |
2:1df0b61d3b5a | 585 | break; |
| Michael J. Spencer |
2:1df0b61d3b5a | 586 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 587 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 588 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 589 | PSOCK_END(&s->sin); |
| Michael J. Spencer |
2:1df0b61d3b5a | 590 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 591 | /*---------------------------------------------------------------------------*/ |
| Michael J. Spencer |
2:1df0b61d3b5a | 592 | static void |
| Michael J. Spencer |
2:1df0b61d3b5a | 593 | handle_connection(struct httpd_state *s) |
| Michael J. Spencer |
2:1df0b61d3b5a | 594 | { |
| Michael J. Spencer |
2:1df0b61d3b5a | 595 | if (s->state != STATE_OUTPUT) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 596 | handle_input(s); |
| Michael J. Spencer |
2:1df0b61d3b5a | 597 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 598 | if (s->state == STATE_OUTPUT) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 599 | handle_output(s); |
| Michael J. Spencer |
2:1df0b61d3b5a | 600 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 601 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 602 | /*---------------------------------------------------------------------------*/ |
| Michael J. Spencer |
2:1df0b61d3b5a | 603 | void |
| Michael J. Spencer |
2:1df0b61d3b5a | 604 | httpd_appcall(void) |
| Michael J. Spencer |
2:1df0b61d3b5a | 605 | { |
| Michael J. Spencer |
2:1df0b61d3b5a | 606 | struct httpd_state *s = (struct httpd_state *)(uip_conn->appstate); |
| Michael J. Spencer |
2:1df0b61d3b5a | 607 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 608 | if (uip_connected()) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 609 | s = malloc(sizeof(struct httpd_state)); |
| Michael J. Spencer |
2:1df0b61d3b5a | 610 | if (s == NULL) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 611 | DEBUG_PRINTF("Connection: Out of memory\n"); |
| Michael J. Spencer |
2:1df0b61d3b5a | 612 | uip_abort(); |
| Michael J. Spencer |
2:1df0b61d3b5a | 613 | return; |
| Michael J. Spencer |
2:1df0b61d3b5a | 614 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 615 | uip_conn->appstate = s; |
| Michael J. Spencer |
2:1df0b61d3b5a | 616 | DEBUG_PRINTF("Connection: %d.%d.%d.%d:%d\n", |
| Michael J. Spencer |
2:1df0b61d3b5a | 617 | uip_ipaddr1(uip_conn->ripaddr), uip_ipaddr2(uip_conn->ripaddr), |
| Michael J. Spencer |
2:1df0b61d3b5a | 618 | uip_ipaddr3(uip_conn->ripaddr), uip_ipaddr4(uip_conn->ripaddr), |
| Michael J. Spencer |
2:1df0b61d3b5a | 619 | HTONS(uip_conn->rport)); |
| Michael J. Spencer |
2:1df0b61d3b5a | 620 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 621 | PSOCK_INIT(&s->sin, s->inputbuf, sizeof(s->inputbuf) - 1); |
| Michael J. Spencer |
2:1df0b61d3b5a | 622 | PSOCK_INIT(&s->sout, s->inputbuf, sizeof(s->inputbuf) - 1); |
| Michael J. Spencer |
2:1df0b61d3b5a | 623 | PT_INIT(&s->outputpt); |
| Michael J. Spencer |
2:1df0b61d3b5a | 624 | PT_INIT(&s->inputpt); |
| Michael J. Spencer |
2:1df0b61d3b5a | 625 | s->state = STATE_WAITING; |
| Michael J. Spencer |
2:1df0b61d3b5a | 626 | /* timer_set(&s->timer, CLOCK_SECOND * 100);*/ |
| Michael J. Spencer |
2:1df0b61d3b5a | 627 | s->timer = 0; |
| Michael J. Spencer |
2:1df0b61d3b5a | 628 | s->fd = NULL; |
| Michael J. Spencer |
2:1df0b61d3b5a | 629 | s->strbuf = NULL; |
| Michael J. Spencer |
2:1df0b61d3b5a | 630 | s->fifo = NULL; |
| Michael J. Spencer |
2:1df0b61d3b5a | 631 | s->pstream = NULL; |
| Michael J. Spencer |
2:1df0b61d3b5a | 632 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 633 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 634 | if (s == NULL) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 635 | DEBUG_PRINTF("ERROR no state context: %d\n", uip_flags); |
| Michael J. Spencer |
2:1df0b61d3b5a | 636 | uip_abort(); |
| Michael J. Spencer |
2:1df0b61d3b5a | 637 | return; |
| Michael J. Spencer |
2:1df0b61d3b5a | 638 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 639 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 640 | // check for timeout on connection here so we can cleanup if we abort |
| Michael J. Spencer |
2:1df0b61d3b5a | 641 | if (uip_poll()) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 642 | ++s->timer; |
| Michael J. Spencer |
2:1df0b61d3b5a | 643 | if (s->timer >= 20 * 2) { // we have a 0.5 second poll and we want 20 second timeout |
| Michael J. Spencer |
2:1df0b61d3b5a | 644 | DEBUG_PRINTF("Timer expired, aborting\n"); |
| Michael J. Spencer |
2:1df0b61d3b5a | 645 | uip_abort(); |
| Michael J. Spencer |
2:1df0b61d3b5a | 646 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 647 | } else { |
| Michael J. Spencer |
2:1df0b61d3b5a | 648 | s->timer = 0; |
| Michael J. Spencer |
2:1df0b61d3b5a | 649 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 650 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 651 | if (uip_closed() || uip_aborted() || uip_timedout()) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 652 | DEBUG_PRINTF("Closing connection: %d\n", HTONS(uip_conn->rport)); |
| Michael J. Spencer |
2:1df0b61d3b5a | 653 | if (s->fd != NULL) fclose(fd); // clean up |
| Michael J. Spencer |
2:1df0b61d3b5a | 654 | if (s->strbuf != NULL) free(s->strbuf); |
| Michael J. Spencer |
2:1df0b61d3b5a | 655 | if (s->pstream != NULL) { |
| Michael J. Spencer |
2:1df0b61d3b5a | 656 | // free these if they were allocated |
| Michael J. Spencer |
2:1df0b61d3b5a | 657 | delete_fifo(s->fifo); |
| Michael J. Spencer |
2:1df0b61d3b5a | 658 | delete_callback_stream(s->pstream); // this will mark it as closed and will get deleted when no longer needed |
| Michael J. Spencer |
2:1df0b61d3b5a | 659 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 660 | free(s) ; |
| Michael J. Spencer |
2:1df0b61d3b5a | 661 | uip_conn->appstate = NULL; |
| Michael J. Spencer |
2:1df0b61d3b5a | 662 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 663 | } else { |
| Michael J. Spencer |
2:1df0b61d3b5a | 664 | handle_connection(s); |
| Michael J. Spencer |
2:1df0b61d3b5a | 665 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 666 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 667 | |
| Michael J. Spencer |
2:1df0b61d3b5a | 668 | /*---------------------------------------------------------------------------*/ |
| Michael J. Spencer |
2:1df0b61d3b5a | 669 | /** |
| Michael J. Spencer |
2:1df0b61d3b5a | 670 | * \brief Initialize the web server |
| Michael J. Spencer |
2:1df0b61d3b5a | 671 | * |
| Michael J. Spencer |
2:1df0b61d3b5a | 672 | * This function initializes the web server and should be |
| Michael J. Spencer |
2:1df0b61d3b5a | 673 | * called at system boot-up. |
| Michael J. Spencer |
2:1df0b61d3b5a | 674 | */ |
| Michael J. Spencer |
2:1df0b61d3b5a | 675 | void httpd_init(void) |
| Michael J. Spencer |
2:1df0b61d3b5a | 676 | { |
| Michael J. Spencer |
2:1df0b61d3b5a | 677 | uip_listen(HTONS(80)); |
| Michael J. Spencer |
2:1df0b61d3b5a | 678 | } |
| Michael J. Spencer |
2:1df0b61d3b5a | 679 | /*---------------------------------------------------------------------------*/ |
| Michael J. Spencer |
2:1df0b61d3b5a | 680 | /** @} */ |