adamdunkels | 14fb5fc | 2003-08-20 22:36:44 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2002, Adam Dunkels. |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
| 8 | * 1. Redistributions of source code must retain the above copyright |
| 9 | * notice, this list of conditions and the following disclaimer. |
| 10 | * 2. Redistributions in binary form must reproduce the above |
| 11 | * copyright notice, this list of conditions and the following |
| 12 | * disclaimer in the documentation and/or other materials provided |
| 13 | * with the distribution. |
adamdunkels | 16a7b26 | 2004-07-04 21:15:53 +0000 | [diff] [blame] | 14 | * 3. The name of the author may not be used to endorse or promote |
adamdunkels | 14fb5fc | 2003-08-20 22:36:44 +0000 | [diff] [blame] | 15 | * products derived from this software without specific prior |
| 16 | * written permission. |
| 17 | * |
| 18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS |
| 19 | * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 20 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 21 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
| 22 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 23 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE |
| 24 | * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 25 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 26 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| 27 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 28 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 29 | * |
| 30 | * This file is part of the Contiki desktop environment |
| 31 | * |
oliverschmidt | cd89bec | 2005-04-10 19:23:47 +0000 | [diff] [blame] | 32 | * $Id: wget.c,v 1.3 2005/04/10 19:23:47 oliverschmidt Exp $ |
adamdunkels | 14fb5fc | 2003-08-20 22:36:44 +0000 | [diff] [blame] | 33 | * |
| 34 | */ |
| 35 | |
| 36 | |
| 37 | #include "ctk.h" |
| 38 | #include "dispatcher.h" |
| 39 | #include "webclient.h" |
| 40 | #include "resolv.h" |
| 41 | #include "petsciiconv.h" |
| 42 | #include "uip_main.h" |
| 43 | #include "loader.h" |
| 44 | |
| 45 | #include <stdio.h> |
| 46 | #include <string.h> |
| 47 | #include <fcntl.h> |
| 48 | |
| 49 | |
| 50 | static struct ctk_window window; |
| 51 | |
| 52 | static struct ctk_label urllabel = |
| 53 | {CTK_LABEL(0, 1, 4, 1, "URL:")}; |
| 54 | static char url[80]; |
| 55 | static char urledit[80]; |
| 56 | struct ctk_textentry urltextentry = |
| 57 | {CTK_TEXTENTRY(5, 1, 29, 1, urledit, 78)}; |
| 58 | |
| 59 | /*static struct ctk_label hostlabel = |
| 60 | {CTK_LABEL(0, 1, 7, 1, "Server:")}; |
| 61 | static char hostedit[40]; |
| 62 | static char host[40]; |
| 63 | static struct ctk_textentry hosttextentry = |
| 64 | {CTK_TEXTENTRY(8, 1, 26, 1, hostedit, 38)}; |
| 65 | |
| 66 | static struct ctk_label filelabel = |
| 67 | {CTK_LABEL(0, 3, 5, 1, "File:")}; |
| 68 | static char fileedit[40]; |
| 69 | static char file[40]; |
| 70 | static struct ctk_textentry filetextentry = |
| 71 | {CTK_TEXTENTRY(8, 3, 26, 1, fileedit, 38)};*/ |
| 72 | |
| 73 | |
| 74 | static struct ctk_label savefilenamelabel = |
| 75 | {CTK_LABEL(0, 3, 14, 1, "Save filename:")}; |
| 76 | static char savefilename[40]; |
| 77 | static struct ctk_textentry savefilenametextentry = |
| 78 | {CTK_TEXTENTRY(15, 3, 19, 1, savefilename, 38)}; |
| 79 | |
| 80 | static struct ctk_button filebutton = |
| 81 | {CTK_BUTTON(0, 5, 13, "Download file")}; |
| 82 | |
| 83 | static struct ctk_button d64button = |
| 84 | {CTK_BUTTON(17, 5, 18, "Download D64 disk")}; |
| 85 | |
| 86 | static struct ctk_label statustext = |
| 87 | {CTK_LABEL(0, 7, 36, 1, "")}; |
| 88 | static char statusmsg[40]; |
| 89 | |
| 90 | static struct ctk_window d64dialog; |
| 91 | static struct ctk_label overwritelabel = |
| 92 | {CTK_LABEL(0, 1, 36, 1, "This will overwrite the entire disk!")}; |
| 93 | static struct ctk_label makesurelabel1 = |
| 94 | {CTK_LABEL(7, 3, 22, 1, "Make sure you have the")}; |
| 95 | static struct ctk_label makesurelabel2 = |
| 96 | {CTK_LABEL(6, 4, 24, 1, "right disk in the drive!")}; |
| 97 | static struct ctk_button overwritebutton = |
| 98 | {CTK_BUTTON(2, 6, 14, "Overwrite disk")}; |
| 99 | static struct ctk_button cancelbutton = |
| 100 | {CTK_BUTTON(26, 6, 6, "Cancel")}; |
| 101 | |
| 102 | static DISPATCHER_SIGHANDLER(wget_sighandler, s, data); |
| 103 | static struct dispatcher_proc p = |
| 104 | {DISPATCHER_PROC("Web downloader", NULL, wget_sighandler, webclient_appcall)}; |
| 105 | static ek_id_t id; |
| 106 | |
| 107 | /* State */ |
| 108 | |
| 109 | #define DLOAD_NONE 0 |
| 110 | #define DLOAD_FILE 1 |
| 111 | #define DLOAD_D64 2 |
| 112 | static u8_t dload_state; |
| 113 | static unsigned long dload_bytes; |
| 114 | |
| 115 | int d64file; |
| 116 | |
| 117 | struct drv_state { |
| 118 | u8_t track; |
| 119 | u8_t sect; |
| 120 | }; |
| 121 | |
| 122 | static struct drv_state ds; |
| 123 | |
| 124 | static char buffer[256]; |
| 125 | static u16_t bufferptr; |
| 126 | |
| 127 | /*-----------------------------------------------------------------------------------*/ |
| 128 | /* wget_init(); |
| 129 | * |
| 130 | * Initializes and starts the web browser. Called either at startup or |
| 131 | * to open the browser window. |
| 132 | */ |
| 133 | LOADER_INIT_FUNC(wget_init) |
| 134 | { |
| 135 | if(id == EK_ID_NONE) { |
| 136 | id = dispatcher_start(&p); |
| 137 | |
| 138 | /* Create the main window. */ |
| 139 | ctk_window_new(&window, 36, 8, "Web downloader"); |
| 140 | |
| 141 | /* CTK_WIDGET_ADD(&window, &hostlabel); |
| 142 | CTK_WIDGET_ADD(&window, &hosttextentry); |
| 143 | |
| 144 | CTK_WIDGET_ADD(&window, &filelabel); |
| 145 | CTK_WIDGET_ADD(&window, &filetextentry);*/ |
| 146 | |
| 147 | CTK_WIDGET_ADD(&window, &urllabel); |
| 148 | CTK_WIDGET_ADD(&window, &urltextentry); |
| 149 | |
| 150 | CTK_WIDGET_ADD(&window, &savefilenamelabel); |
| 151 | CTK_WIDGET_ADD(&window, &savefilenametextentry); |
| 152 | |
| 153 | CTK_WIDGET_ADD(&window, &filebutton); |
| 154 | |
| 155 | CTK_WIDGET_ADD(&window, &d64button); |
| 156 | |
| 157 | CTK_WIDGET_ADD(&window, &statustext); |
| 158 | |
| 159 | /* memset(hostedit, 0, sizeof(hostedit)); |
| 160 | memset(fileedit, 0, sizeof(fileedit));*/ |
| 161 | dload_state = DLOAD_NONE; |
| 162 | |
| 163 | memset(savefilename, 0, sizeof(savefilename)); |
| 164 | memset(url, 0, sizeof(url)); |
| 165 | |
| 166 | ctk_dialog_new(&d64dialog, 36, 8); |
| 167 | CTK_WIDGET_ADD(&d64dialog, &overwritelabel); |
| 168 | CTK_WIDGET_ADD(&d64dialog, &makesurelabel1); |
| 169 | CTK_WIDGET_ADD(&d64dialog, &makesurelabel2); |
| 170 | CTK_WIDGET_ADD(&d64dialog, &overwritebutton); |
| 171 | CTK_WIDGET_ADD(&d64dialog, &cancelbutton); |
| 172 | |
| 173 | |
| 174 | /* Attach as a listener to a number of signals ("Button activate", |
| 175 | "Hyperlink activate" and "Hyperlink hover", and the resolver's |
| 176 | signal. */ |
| 177 | dispatcher_listen(ctk_signal_window_close); |
| 178 | dispatcher_listen(ctk_signal_button_activate); |
| 179 | dispatcher_listen(ctk_signal_hyperlink_activate); |
| 180 | dispatcher_listen(resolv_signal_found); |
| 181 | } |
| 182 | ctk_window_open(&window); |
| 183 | } |
| 184 | /*-----------------------------------------------------------------------------------*/ |
| 185 | static void |
| 186 | show_statustext(char *text) |
| 187 | { |
| 188 | ctk_label_set_text(&statustext, text); |
| 189 | CTK_WIDGET_REDRAW(&statustext); |
| 190 | } |
| 191 | /*-----------------------------------------------------------------------------------*/ |
| 192 | /* open_url(): |
| 193 | * |
| 194 | * Called when the URL present in the global "url" variable should be |
| 195 | * opened. It will call the hostname resolver as well as the HTTP |
| 196 | * client requester. |
| 197 | */ |
| 198 | static void |
| 199 | start_get(void) |
| 200 | { |
| 201 | u16_t addr[2]; |
| 202 | unsigned char i; |
| 203 | static char host[32]; |
| 204 | char *file; |
| 205 | register char *urlptr; |
| 206 | unsigned short port; |
| 207 | |
| 208 | /* Trim off any spaces in the end of the url. */ |
| 209 | urlptr = url + strlen(url) - 1; |
| 210 | while(*urlptr == ' ' && urlptr > url) { |
| 211 | *urlptr = 0; |
| 212 | --urlptr; |
| 213 | } |
| 214 | |
| 215 | /* Don't even try to go further if the URL is empty. */ |
| 216 | if(urlptr == url) { |
| 217 | return; |
| 218 | } |
| 219 | |
| 220 | /* See if the URL starts with http://, otherwise prepend it. */ |
| 221 | if(strncmp(url, http_http, 7) != 0) { |
| 222 | while(urlptr >= url) { |
| 223 | *(urlptr + 7) = *urlptr; |
| 224 | --urlptr; |
| 225 | } |
| 226 | strncpy(url, http_http, 7); |
| 227 | } |
| 228 | |
| 229 | /* Find host part of the URL. */ |
| 230 | urlptr = &url[7]; |
| 231 | for(i = 0; i < sizeof(host); ++i) { |
| 232 | if(*urlptr == 0 || |
| 233 | *urlptr == '/' || |
| 234 | *urlptr == ' ' || |
| 235 | *urlptr == ':') { |
| 236 | host[i] = 0; |
| 237 | break; |
| 238 | } |
| 239 | host[i] = *urlptr; |
| 240 | ++urlptr; |
| 241 | } |
| 242 | |
| 243 | /* XXX: Here we should find the port part of the URL, but this isn't |
| 244 | currently done because of laziness from the programmer's side |
| 245 | :-) */ |
| 246 | |
| 247 | /* Find file part of the URL. */ |
| 248 | while(*urlptr != '/' && *urlptr != 0) { |
| 249 | ++urlptr; |
| 250 | } |
| 251 | if(*urlptr == '/') { |
| 252 | file = urlptr; |
| 253 | } else { |
| 254 | file = "/"; |
| 255 | } |
| 256 | |
| 257 | |
| 258 | /* First check if the host is an IP address. */ |
| 259 | if(uip_main_ipaddrconv(host, (unsigned char *)addr) == 0) { |
| 260 | |
| 261 | /* Try to lookup the hostname. If it fails, we initiate a hostname |
| 262 | lookup and print out an informative message on the |
| 263 | statusbar. */ |
| 264 | if(resolv_lookup(host) == NULL) { |
| 265 | resolv_query(host); |
| 266 | show_statustext("Resolving host..."); |
| 267 | return; |
| 268 | } |
| 269 | } |
| 270 | |
| 271 | /* The hostname we present in the hostname table, so we send out the |
| 272 | initial GET request. */ |
| 273 | if(webclient_get(host, 80, file) == 0) { |
| 274 | show_statustext("Out of memory error."); |
| 275 | } else { |
| 276 | show_statustext("Connecting..."); |
| 277 | } |
| 278 | } |
| 279 | /*-----------------------------------------------------------------------------------*/ |
| 280 | static |
| 281 | DISPATCHER_SIGHANDLER(wget_sighandler, s, data) |
| 282 | { |
| 283 | int ret; |
| 284 | static unsigned char i; |
| 285 | DISPATCHER_SIGHANDLER_ARGS(s, data); |
| 286 | |
| 287 | if(s == ctk_signal_button_activate) { |
| 288 | if(data == (void *)&filebutton) { |
| 289 | /* ret = cbm_open(2, 8, 2, savefilename);*/ |
| 290 | if(ret == -1) { |
| 291 | sprintf(statusmsg, "Open error with '%s'", savefilename); |
| 292 | show_statustext(statusmsg); |
| 293 | } else { |
| 294 | /* strncpy(host, hostedit, sizeof(host)); |
| 295 | strncpy(file, fileedit, sizeof(file));*/ |
| 296 | /* petsciiconv_toascii(host, sizeof(host)); |
| 297 | petsciiconv_toascii(file, sizeof(file));*/ |
| 298 | strncpy(url, urledit, sizeof(url)); |
| 299 | petsciiconv_toascii(url, sizeof(url)); |
| 300 | start_get(); |
| 301 | dload_bytes = 0; |
| 302 | dload_state = DLOAD_FILE; |
| 303 | } |
| 304 | } else if(data == (void *)&d64button) { |
| 305 | ctk_dialog_open(&d64dialog); |
| 306 | } else if(data == (void *)&cancelbutton) { |
| 307 | ctk_dialog_close(); |
| 308 | } else if(data == (void *)&overwritebutton) { |
| 309 | ctk_dialog_close(); |
| 310 | /* strncpy(host, hostedit, sizeof(host)); |
| 311 | strncpy(file, fileedit, sizeof(file)); |
| 312 | petsciiconv_toascii(host, sizeof(host)); |
| 313 | petsciiconv_toascii(file, sizeof(file));*/ |
| 314 | strncpy(url, urledit, sizeof(url)); |
| 315 | petsciiconv_toascii(url, sizeof(url)); |
| 316 | start_get(); |
| 317 | dload_bytes = 0; |
| 318 | dload_state = DLOAD_D64; |
oliverschmidt | cd89bec | 2005-04-10 19:23:47 +0000 | [diff] [blame] | 319 | d64file = open("d64.d64", O_CREAT|O_TRUNC|O_WRONLY); |
adamdunkels | 14fb5fc | 2003-08-20 22:36:44 +0000 | [diff] [blame] | 320 | ds.track = 1; |
| 321 | ds.sect = 0; |
| 322 | bufferptr = 0; |
| 323 | } |
| 324 | } else if(s == ctk_signal_hyperlink_activate) { |
| 325 | if(dload_state == DLOAD_NONE) { |
| 326 | /* open_link(w->widget.hyperlink.url);*/ |
| 327 | strncpy(urledit, |
| 328 | ((struct ctk_widget *)data)->widget.hyperlink.url, sizeof(urledit)); |
| 329 | petsciiconv_topetscii(urledit, sizeof(urledit)); |
| 330 | CTK_WIDGET_REDRAW(&urltextentry); |
| 331 | CTK_WIDGET_FOCUS(&window, &urltextentry); |
| 332 | } |
| 333 | } else if(s == resolv_signal_found) { |
| 334 | /* Either found a hostname, or not. */ |
| 335 | if((char *)data != NULL && |
| 336 | resolv_lookup((char *)data) != NULL) { |
| 337 | start_get(); |
| 338 | } else { |
| 339 | show_statustext("Host not found."); |
| 340 | } |
| 341 | } else if(s == ctk_signal_window_close) { |
| 342 | dispatcher_exit(&p); |
| 343 | id = EK_ID_NONE; |
| 344 | LOADER_UNLOAD(); |
| 345 | } |
| 346 | } |
| 347 | /*-----------------------------------------------------------------------------------*/ |
| 348 | /* webclient_aborted(): |
| 349 | * |
| 350 | * Callback function. Called from the webclient when the HTTP |
| 351 | * connection was abruptly aborted. |
| 352 | */ |
| 353 | void |
| 354 | webclient_aborted(void) |
| 355 | { |
| 356 | show_statustext("Connection reset by peer"); |
| 357 | } |
| 358 | /*-----------------------------------------------------------------------------------*/ |
| 359 | /* webclient_timedout(): |
| 360 | * |
| 361 | * Callback function. Called from the webclient when the HTTP |
| 362 | * connection timed out. |
| 363 | */ |
| 364 | void |
| 365 | webclient_timedout(void) |
| 366 | { |
| 367 | show_statustext("Connection timed out"); |
| 368 | if(dload_state == DLOAD_FILE) { |
| 369 | /* cbm_close(2);*/ |
| 370 | } |
| 371 | |
| 372 | } |
| 373 | /*-----------------------------------------------------------------------------------*/ |
| 374 | /* webclient_closed(): |
| 375 | * |
| 376 | * Callback function. Called from the webclient when the HTTP |
| 377 | * connection was closed after a request from the "webclient_close()" |
| 378 | * function. . |
| 379 | */ |
| 380 | void |
| 381 | webclient_closed(void) |
| 382 | { |
| 383 | show_statustext("Done."); |
| 384 | } |
| 385 | /*-----------------------------------------------------------------------------------*/ |
| 386 | /* webclient_closed(): |
| 387 | * |
| 388 | * Callback function. Called from the webclient when the HTTP |
| 389 | * connection is connected. |
| 390 | */ |
| 391 | void |
| 392 | webclient_connected(void) |
| 393 | { |
| 394 | show_statustext("Request sent..."); |
| 395 | } |
| 396 | /*-----------------------------------------------------------------------------------*/ |
| 397 | /*-----------------------------------------------------------------------------------*/ |
| 398 | static void |
| 399 | write_buffer(void) |
| 400 | { |
| 401 | char buf2[256]; |
| 402 | int i; |
| 403 | |
| 404 | for(i = 0; i < 256; ++i) { |
| 405 | buf2[i] = i; |
| 406 | } |
| 407 | |
| 408 | write(d64file, buf2, 256); |
| 409 | write(d64file, buffer, 256); |
| 410 | /* write_sector(8, ds.track, ds.sect, buffer); |
| 411 | if(next_sector() != 0) { |
| 412 | dload_state = DLOAD_NONE; |
| 413 | }*/ |
| 414 | } |
| 415 | static void |
| 416 | handle_d64_data(char *data, u16_t len) |
| 417 | { |
| 418 | u16_t bufferlen; |
| 419 | |
| 420 | while(dload_state == DLOAD_D64 && |
| 421 | len > 0) { |
| 422 | bufferlen = sizeof(buffer) - bufferptr; |
| 423 | if(len < bufferlen) { |
| 424 | bufferlen = len; |
| 425 | } |
| 426 | |
| 427 | memcpy(&buffer[bufferptr], data, bufferlen); |
| 428 | |
| 429 | data += bufferlen; |
| 430 | bufferptr += bufferlen; |
| 431 | len -= bufferlen; |
| 432 | |
| 433 | if(bufferptr == sizeof(buffer)) { |
| 434 | write_buffer(); |
| 435 | bufferptr = 0; |
| 436 | } |
| 437 | } |
| 438 | } |
| 439 | /*-----------------------------------------------------------------------------------*/ |
| 440 | /* webclient_datahandler(): |
| 441 | * |
| 442 | * Callback function. Called from the webclient module when HTTP data |
| 443 | * has arrived. |
| 444 | */ |
| 445 | void |
| 446 | webclient_datahandler(char *data, u16_t len) |
| 447 | { |
| 448 | int ret; |
| 449 | |
| 450 | if(len > 0) { |
| 451 | dload_bytes += len; |
| 452 | sprintf(statusmsg, "Downloading (%lu bytes)", dload_bytes); |
| 453 | show_statustext(statusmsg); |
| 454 | if(dload_state == DLOAD_D64) { |
| 455 | handle_d64_data(data, len); |
| 456 | } else if(dload_state == DLOAD_FILE) { |
| 457 | /* ret = cbm_write(2, data, len); */ |
| 458 | if(ret != len) { |
| 459 | sprintf(statusmsg, "Wrote only %d bytes", ret); |
| 460 | show_statustext(statusmsg); |
| 461 | } |
| 462 | } |
| 463 | } |
| 464 | |
| 465 | if(data == NULL) { |
| 466 | if(dload_state == DLOAD_FILE) { |
| 467 | /* cbm_close(2);*/ |
| 468 | } |
| 469 | close(d64file); |
| 470 | dload_state = DLOAD_NONE; |
| 471 | sprintf(statusmsg, "Finished downloading %lu bytes", dload_bytes); |
| 472 | show_statustext(statusmsg); |
| 473 | } |
| 474 | } |
| 475 | /*-----------------------------------------------------------------------------------*/ |