| /* |
| * Copyright (c) 2002, Adam Dunkels. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * 3. The name of the author may not be used to endorse or promote |
| * products derived from this software without specific prior |
| * written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS |
| * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
| * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE |
| * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| * This file is part of the Contiki desktop environment |
| * |
| * $Id: wget.c,v 1.3 2005/04/10 19:23:47 oliverschmidt Exp $ |
| * |
| */ |
| |
| |
| #include "ctk.h" |
| #include "dispatcher.h" |
| #include "webclient.h" |
| #include "resolv.h" |
| #include "petsciiconv.h" |
| #include "uip_main.h" |
| #include "loader.h" |
| |
| #include <stdio.h> |
| #include <string.h> |
| #include <fcntl.h> |
| |
| |
| static struct ctk_window window; |
| |
| static struct ctk_label urllabel = |
| {CTK_LABEL(0, 1, 4, 1, "URL:")}; |
| static char url[80]; |
| static char urledit[80]; |
| struct ctk_textentry urltextentry = |
| {CTK_TEXTENTRY(5, 1, 29, 1, urledit, 78)}; |
| |
| /*static struct ctk_label hostlabel = |
| {CTK_LABEL(0, 1, 7, 1, "Server:")}; |
| static char hostedit[40]; |
| static char host[40]; |
| static struct ctk_textentry hosttextentry = |
| {CTK_TEXTENTRY(8, 1, 26, 1, hostedit, 38)}; |
| |
| static struct ctk_label filelabel = |
| {CTK_LABEL(0, 3, 5, 1, "File:")}; |
| static char fileedit[40]; |
| static char file[40]; |
| static struct ctk_textentry filetextentry = |
| {CTK_TEXTENTRY(8, 3, 26, 1, fileedit, 38)};*/ |
| |
| |
| static struct ctk_label savefilenamelabel = |
| {CTK_LABEL(0, 3, 14, 1, "Save filename:")}; |
| static char savefilename[40]; |
| static struct ctk_textentry savefilenametextentry = |
| {CTK_TEXTENTRY(15, 3, 19, 1, savefilename, 38)}; |
| |
| static struct ctk_button filebutton = |
| {CTK_BUTTON(0, 5, 13, "Download file")}; |
| |
| static struct ctk_button d64button = |
| {CTK_BUTTON(17, 5, 18, "Download D64 disk")}; |
| |
| static struct ctk_label statustext = |
| {CTK_LABEL(0, 7, 36, 1, "")}; |
| static char statusmsg[40]; |
| |
| static struct ctk_window d64dialog; |
| static struct ctk_label overwritelabel = |
| {CTK_LABEL(0, 1, 36, 1, "This will overwrite the entire disk!")}; |
| static struct ctk_label makesurelabel1 = |
| {CTK_LABEL(7, 3, 22, 1, "Make sure you have the")}; |
| static struct ctk_label makesurelabel2 = |
| {CTK_LABEL(6, 4, 24, 1, "right disk in the drive!")}; |
| static struct ctk_button overwritebutton = |
| {CTK_BUTTON(2, 6, 14, "Overwrite disk")}; |
| static struct ctk_button cancelbutton = |
| {CTK_BUTTON(26, 6, 6, "Cancel")}; |
| |
| static DISPATCHER_SIGHANDLER(wget_sighandler, s, data); |
| static struct dispatcher_proc p = |
| {DISPATCHER_PROC("Web downloader", NULL, wget_sighandler, webclient_appcall)}; |
| static ek_id_t id; |
| |
| /* State */ |
| |
| #define DLOAD_NONE 0 |
| #define DLOAD_FILE 1 |
| #define DLOAD_D64 2 |
| static u8_t dload_state; |
| static unsigned long dload_bytes; |
| |
| int d64file; |
| |
| struct drv_state { |
| u8_t track; |
| u8_t sect; |
| }; |
| |
| static struct drv_state ds; |
| |
| static char buffer[256]; |
| static u16_t bufferptr; |
| |
| /*-----------------------------------------------------------------------------------*/ |
| /* wget_init(); |
| * |
| * Initializes and starts the web browser. Called either at startup or |
| * to open the browser window. |
| */ |
| LOADER_INIT_FUNC(wget_init) |
| { |
| if(id == EK_ID_NONE) { |
| id = dispatcher_start(&p); |
| |
| /* Create the main window. */ |
| ctk_window_new(&window, 36, 8, "Web downloader"); |
| |
| /* CTK_WIDGET_ADD(&window, &hostlabel); |
| CTK_WIDGET_ADD(&window, &hosttextentry); |
| |
| CTK_WIDGET_ADD(&window, &filelabel); |
| CTK_WIDGET_ADD(&window, &filetextentry);*/ |
| |
| CTK_WIDGET_ADD(&window, &urllabel); |
| CTK_WIDGET_ADD(&window, &urltextentry); |
| |
| CTK_WIDGET_ADD(&window, &savefilenamelabel); |
| CTK_WIDGET_ADD(&window, &savefilenametextentry); |
| |
| CTK_WIDGET_ADD(&window, &filebutton); |
| |
| CTK_WIDGET_ADD(&window, &d64button); |
| |
| CTK_WIDGET_ADD(&window, &statustext); |
| |
| /* memset(hostedit, 0, sizeof(hostedit)); |
| memset(fileedit, 0, sizeof(fileedit));*/ |
| dload_state = DLOAD_NONE; |
| |
| memset(savefilename, 0, sizeof(savefilename)); |
| memset(url, 0, sizeof(url)); |
| |
| ctk_dialog_new(&d64dialog, 36, 8); |
| CTK_WIDGET_ADD(&d64dialog, &overwritelabel); |
| CTK_WIDGET_ADD(&d64dialog, &makesurelabel1); |
| CTK_WIDGET_ADD(&d64dialog, &makesurelabel2); |
| CTK_WIDGET_ADD(&d64dialog, &overwritebutton); |
| CTK_WIDGET_ADD(&d64dialog, &cancelbutton); |
| |
| |
| /* Attach as a listener to a number of signals ("Button activate", |
| "Hyperlink activate" and "Hyperlink hover", and the resolver's |
| signal. */ |
| dispatcher_listen(ctk_signal_window_close); |
| dispatcher_listen(ctk_signal_button_activate); |
| dispatcher_listen(ctk_signal_hyperlink_activate); |
| dispatcher_listen(resolv_signal_found); |
| } |
| ctk_window_open(&window); |
| } |
| /*-----------------------------------------------------------------------------------*/ |
| static void |
| show_statustext(char *text) |
| { |
| ctk_label_set_text(&statustext, text); |
| CTK_WIDGET_REDRAW(&statustext); |
| } |
| /*-----------------------------------------------------------------------------------*/ |
| /* open_url(): |
| * |
| * Called when the URL present in the global "url" variable should be |
| * opened. It will call the hostname resolver as well as the HTTP |
| * client requester. |
| */ |
| static void |
| start_get(void) |
| { |
| u16_t addr[2]; |
| unsigned char i; |
| static char host[32]; |
| char *file; |
| register char *urlptr; |
| unsigned short port; |
| |
| /* Trim off any spaces in the end of the url. */ |
| urlptr = url + strlen(url) - 1; |
| while(*urlptr == ' ' && urlptr > url) { |
| *urlptr = 0; |
| --urlptr; |
| } |
| |
| /* Don't even try to go further if the URL is empty. */ |
| if(urlptr == url) { |
| return; |
| } |
| |
| /* See if the URL starts with http://, otherwise prepend it. */ |
| if(strncmp(url, http_http, 7) != 0) { |
| while(urlptr >= url) { |
| *(urlptr + 7) = *urlptr; |
| --urlptr; |
| } |
| strncpy(url, http_http, 7); |
| } |
| |
| /* Find host part of the URL. */ |
| urlptr = &url[7]; |
| for(i = 0; i < sizeof(host); ++i) { |
| if(*urlptr == 0 || |
| *urlptr == '/' || |
| *urlptr == ' ' || |
| *urlptr == ':') { |
| host[i] = 0; |
| break; |
| } |
| host[i] = *urlptr; |
| ++urlptr; |
| } |
| |
| /* XXX: Here we should find the port part of the URL, but this isn't |
| currently done because of laziness from the programmer's side |
| :-) */ |
| |
| /* Find file part of the URL. */ |
| while(*urlptr != '/' && *urlptr != 0) { |
| ++urlptr; |
| } |
| if(*urlptr == '/') { |
| file = urlptr; |
| } else { |
| file = "/"; |
| } |
| |
| |
| /* First check if the host is an IP address. */ |
| if(uip_main_ipaddrconv(host, (unsigned char *)addr) == 0) { |
| |
| /* Try to lookup the hostname. If it fails, we initiate a hostname |
| lookup and print out an informative message on the |
| statusbar. */ |
| if(resolv_lookup(host) == NULL) { |
| resolv_query(host); |
| show_statustext("Resolving host..."); |
| return; |
| } |
| } |
| |
| /* The hostname we present in the hostname table, so we send out the |
| initial GET request. */ |
| if(webclient_get(host, 80, file) == 0) { |
| show_statustext("Out of memory error."); |
| } else { |
| show_statustext("Connecting..."); |
| } |
| } |
| /*-----------------------------------------------------------------------------------*/ |
| static |
| DISPATCHER_SIGHANDLER(wget_sighandler, s, data) |
| { |
| int ret; |
| static unsigned char i; |
| DISPATCHER_SIGHANDLER_ARGS(s, data); |
| |
| if(s == ctk_signal_button_activate) { |
| if(data == (void *)&filebutton) { |
| /* ret = cbm_open(2, 8, 2, savefilename);*/ |
| if(ret == -1) { |
| sprintf(statusmsg, "Open error with '%s'", savefilename); |
| show_statustext(statusmsg); |
| } else { |
| /* strncpy(host, hostedit, sizeof(host)); |
| strncpy(file, fileedit, sizeof(file));*/ |
| /* petsciiconv_toascii(host, sizeof(host)); |
| petsciiconv_toascii(file, sizeof(file));*/ |
| strncpy(url, urledit, sizeof(url)); |
| petsciiconv_toascii(url, sizeof(url)); |
| start_get(); |
| dload_bytes = 0; |
| dload_state = DLOAD_FILE; |
| } |
| } else if(data == (void *)&d64button) { |
| ctk_dialog_open(&d64dialog); |
| } else if(data == (void *)&cancelbutton) { |
| ctk_dialog_close(); |
| } else if(data == (void *)&overwritebutton) { |
| ctk_dialog_close(); |
| /* strncpy(host, hostedit, sizeof(host)); |
| strncpy(file, fileedit, sizeof(file)); |
| petsciiconv_toascii(host, sizeof(host)); |
| petsciiconv_toascii(file, sizeof(file));*/ |
| strncpy(url, urledit, sizeof(url)); |
| petsciiconv_toascii(url, sizeof(url)); |
| start_get(); |
| dload_bytes = 0; |
| dload_state = DLOAD_D64; |
| d64file = open("d64.d64", O_CREAT|O_TRUNC|O_WRONLY); |
| ds.track = 1; |
| ds.sect = 0; |
| bufferptr = 0; |
| } |
| } else if(s == ctk_signal_hyperlink_activate) { |
| if(dload_state == DLOAD_NONE) { |
| /* open_link(w->widget.hyperlink.url);*/ |
| strncpy(urledit, |
| ((struct ctk_widget *)data)->widget.hyperlink.url, sizeof(urledit)); |
| petsciiconv_topetscii(urledit, sizeof(urledit)); |
| CTK_WIDGET_REDRAW(&urltextentry); |
| CTK_WIDGET_FOCUS(&window, &urltextentry); |
| } |
| } else if(s == resolv_signal_found) { |
| /* Either found a hostname, or not. */ |
| if((char *)data != NULL && |
| resolv_lookup((char *)data) != NULL) { |
| start_get(); |
| } else { |
| show_statustext("Host not found."); |
| } |
| } else if(s == ctk_signal_window_close) { |
| dispatcher_exit(&p); |
| id = EK_ID_NONE; |
| LOADER_UNLOAD(); |
| } |
| } |
| /*-----------------------------------------------------------------------------------*/ |
| /* webclient_aborted(): |
| * |
| * Callback function. Called from the webclient when the HTTP |
| * connection was abruptly aborted. |
| */ |
| void |
| webclient_aborted(void) |
| { |
| show_statustext("Connection reset by peer"); |
| } |
| /*-----------------------------------------------------------------------------------*/ |
| /* webclient_timedout(): |
| * |
| * Callback function. Called from the webclient when the HTTP |
| * connection timed out. |
| */ |
| void |
| webclient_timedout(void) |
| { |
| show_statustext("Connection timed out"); |
| if(dload_state == DLOAD_FILE) { |
| /* cbm_close(2);*/ |
| } |
| |
| } |
| /*-----------------------------------------------------------------------------------*/ |
| /* webclient_closed(): |
| * |
| * Callback function. Called from the webclient when the HTTP |
| * connection was closed after a request from the "webclient_close()" |
| * function. . |
| */ |
| void |
| webclient_closed(void) |
| { |
| show_statustext("Done."); |
| } |
| /*-----------------------------------------------------------------------------------*/ |
| /* webclient_closed(): |
| * |
| * Callback function. Called from the webclient when the HTTP |
| * connection is connected. |
| */ |
| void |
| webclient_connected(void) |
| { |
| show_statustext("Request sent..."); |
| } |
| /*-----------------------------------------------------------------------------------*/ |
| /*-----------------------------------------------------------------------------------*/ |
| static void |
| write_buffer(void) |
| { |
| char buf2[256]; |
| int i; |
| |
| for(i = 0; i < 256; ++i) { |
| buf2[i] = i; |
| } |
| |
| write(d64file, buf2, 256); |
| write(d64file, buffer, 256); |
| /* write_sector(8, ds.track, ds.sect, buffer); |
| if(next_sector() != 0) { |
| dload_state = DLOAD_NONE; |
| }*/ |
| } |
| static void |
| handle_d64_data(char *data, u16_t len) |
| { |
| u16_t bufferlen; |
| |
| while(dload_state == DLOAD_D64 && |
| len > 0) { |
| bufferlen = sizeof(buffer) - bufferptr; |
| if(len < bufferlen) { |
| bufferlen = len; |
| } |
| |
| memcpy(&buffer[bufferptr], data, bufferlen); |
| |
| data += bufferlen; |
| bufferptr += bufferlen; |
| len -= bufferlen; |
| |
| if(bufferptr == sizeof(buffer)) { |
| write_buffer(); |
| bufferptr = 0; |
| } |
| } |
| } |
| /*-----------------------------------------------------------------------------------*/ |
| /* webclient_datahandler(): |
| * |
| * Callback function. Called from the webclient module when HTTP data |
| * has arrived. |
| */ |
| void |
| webclient_datahandler(char *data, u16_t len) |
| { |
| int ret; |
| |
| if(len > 0) { |
| dload_bytes += len; |
| sprintf(statusmsg, "Downloading (%lu bytes)", dload_bytes); |
| show_statustext(statusmsg); |
| if(dload_state == DLOAD_D64) { |
| handle_d64_data(data, len); |
| } else if(dload_state == DLOAD_FILE) { |
| /* ret = cbm_write(2, data, len); */ |
| if(ret != len) { |
| sprintf(statusmsg, "Wrote only %d bytes", ret); |
| show_statustext(statusmsg); |
| } |
| } |
| } |
| |
| if(data == NULL) { |
| if(dload_state == DLOAD_FILE) { |
| /* cbm_close(2);*/ |
| } |
| close(d64file); |
| dload_state = DLOAD_NONE; |
| sprintf(statusmsg, "Finished downloading %lu bytes", dload_bytes); |
| show_statustext(statusmsg); |
| } |
| } |
| /*-----------------------------------------------------------------------------------*/ |