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contiki/platform/c64/apps/wget.c

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/*
* 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 1.1 2006/06/17 22:41:25 adamdunkels Exp $
*
*/
#include "ctk/ctk.h"
#include "contiki-net.h"
#include "webclient.h"
#include "lib/petsciiconv.h"
#include "program-handler.h"
#include <c64.h>
#include <cbm.h>
#include <stdio.h>
#include <string.h>
#include <fcntl.h>
#include "c64-dio.h"
#define USE_KERNAL 0
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 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")};
PROCESS(wget_process, "Web downloader");
/* State */
#define DLOAD_NONE 0
#define DLOAD_FILE 1
#define DLOAD_D64 2
static u8_t dload_state;
static unsigned long dload_bytes;
struct drv_state {
u8_t track;
u8_t sect;
};
static struct drv_state ds;
static char buffer[256];
static u16_t bufferptr;
/*-----------------------------------------------------------------------------------*/
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(uiplib_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...");
}
}
/*-----------------------------------------------------------------------------------*/
PROCESS_THREAD(wget_process, ev, data)
{
int ret;
static unsigned char i;
PROCESS_BEGIN();
if(data != NULL) {
strncpy(url, data, sizeof(url));
strncpy(urledit, data, sizeof(urledit));
petsciiconv_topetscii(urledit, sizeof(urledit));
arg_free(data);
} else {
#ifdef WGET_CONF_URL
strncpy(url, WGET_CONF_URL, sizeof(url));
strncpy(urledit, WGET_CONF_URL, sizeof(urledit));
#endif /* WGET_CONF_URL */
}
/* Create the main window. */
ctk_window_new(&window, 36, 8, "Web downloader");
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);
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);
ctk_window_open(&window);
while(1) {
PROCESS_WAIT_EVENT();
if(ev == tcpip_event) {
webclient_appcall(data);
} else if(ev == 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(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();
/* Turn of screensaver. */
program_handler_setscreensaver(NULL);
strncpy(url, urledit, sizeof(url));
petsciiconv_toascii(url, sizeof(url));
start_get();
dload_bytes = 0;
dload_state = DLOAD_D64;
ds.track = 1;
ds.sect = 0;
bufferptr = 0;
#if USE_KERNAL
#else
c64_dio_init(_curunit);
#endif
/* c64_dio_init(8);*/
}
} else if(ev == 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(ev == resolv_event_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(ev == ctk_signal_window_close) {
break;
}
}
PROCESS_END();
}
/*-----------------------------------------------------------------------------------*/
/* 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 u8_t
next_sector(void)
{
++ds.sect;
if(ds.track < 18) {
if(ds.sect == 21) {
++ds.track;
ds.sect = 0;
}
} else if(ds.track < 25) {
if(ds.sect == 19) {
++ds.track;
ds.sect = 0;
}
} else if(ds.track < 31) {
if(ds.sect == 18) {
++ds.track;
ds.sect = 0;
}
} else if(ds.track < 36) {
if(ds.sect == 17) {
++ds.track;
ds.sect = 0;
}
}
if(ds.track == 36) {
return 1;
}
return 0;
}
/*-----------------------------------------------------------------------------------*/
static void
x_open(u8_t f, u8_t d, u8_t cmd, u8_t *fname)
{
u8_t ret;
ret = cbm_open(f, d, cmd, fname);
if(ret != 0) {
/* printf("open: error %d\n", ret);*/
/* ctk_label_set_text(&statuslabel, "Open err");
CTK_WIDGET_REDRAW(&statuslabel);*/
show_statustext("Open error");
}
}
static void
write_sector(u8_t device, u8_t track, u8_t sect, void *mem)
{
u16_t ret;
static u8_t cmd[32];
x_open(15, device, 15, NULL);
x_open(2, device, 2, "#");
ret = cbm_write(2, mem, 256);
sprintf(cmd, "u2: 2 0 %d %d", track, sect);
cbm_write(15, cmd, strlen(cmd));
/* printf("%s\n", cmd);*/
/* ret = 0;*/
if(ret == -1) {
sprintf(statusmsg, "Write error at %d:%d", track, sect);
show_statustext(statusmsg);
} else {
sprintf(statusmsg, "Wrote %d bytes to %d:%d", ret, track, sect);
show_statustext(statusmsg);
}
/* printf("write: wrote %d bytes\n", ret);*/
cbm_close(2);
cbm_close(15);
}
static void
write_buffer(void)
{
#if USE_KERNAL
write_sector(8, ds.track, ds.sect, buffer);
#else
c64_dio_write_block(ds.track, ds.sect, buffer);
#endif
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);
}
dload_state = DLOAD_NONE;
sprintf(statusmsg, "Finished downloading %lu bytes", dload_bytes);
show_statustext(statusmsg);
}
}
/*-----------------------------------------------------------------------------------*/
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