/* open a link */
void init_ethmac()
{
/* initialize the packet rx buffer */
init_packet();
/* open ethernet port and wait for connection requests
keep trying forever */
while (!open_link());
}
/*-----------------------------------------------------------------------------------*/
static void
formsubmit(struct formattribs *attribs)
{
unsigned char i, j;
register char *urlptr, *valueptr;
register struct formattribs *faptr;
urlptr = &tmpurl[0];
strncpy(urlptr, attribs->formaction, WWW_CONF_MAX_URLLEN);
tmpurl[WWW_CONF_MAX_URLLEN] = 0;
urlptr += strlen(urlptr);
*urlptr = ISO_questionmark;
++urlptr;
/* Construct an URL by finding all input field forms with the same
formname as the current submit button, and add the submit button
URL stuff as well. */
for(i = 0; i < pagewidgetptr; ++i) {
if(urlptr - &tmpurl[0] >= WWW_CONF_MAX_URLLEN) {
break;
}
faptr = &pagewidgetattribs[i].form;
if(strcmp(attribs->formaction, faptr->formaction) == 0 &&
strcmp(attribs->formname, faptr->formname) == 0 &&
(faptr->inputtype == FORMINPUTTYPE_INPUTFIELD ||
faptr == attribs)) {
/* Copy the name of the input field into the URL and append a
questionmark. */
strncpy(urlptr, faptr->inputname, WWW_CONF_MAX_URLLEN - strlen(tmpurl));
tmpurl[WWW_CONF_MAX_URLLEN] = 0;
urlptr += strlen(urlptr);
*urlptr = ISO_eq;
++urlptr;
/* Convert and copy the contents of the input field to the URL
and append an ampersand. */
valueptr = pagewidgets[i].widget.textentry.text;
petsciiconv_toascii(valueptr, WWW_CONF_MAX_INPUTVALUELEN);
for(j = 0; j < WWW_CONF_MAX_INPUTVALUELEN; ++j) {
if(urlptr - &tmpurl[0] >= WWW_CONF_MAX_URLLEN) {
break;
}
*urlptr = *valueptr;
if(*urlptr == ISO_space) {
*urlptr = ISO_plus;
}
if(*urlptr == 0) {
break;
}
++urlptr;
++valueptr;
}
*urlptr = ISO_ampersand;
++urlptr;
}
}
--urlptr;
*urlptr = 0;
log_back();
open_link(tmpurl);
}
/* www_process():
*
* The program's signal dispatcher function. Is called whenever a signal arrives.
*/
PROCESS_THREAD(www_process, ev, data)
{
static struct ctk_widget *w;
static unsigned char i;
#if WWW_CONF_WITH_WGET
static char *argptr;
#endif /* WWW_CONF_WITH_WGET */
w = (struct ctk_widget *)data;
PROCESS_BEGIN();
/* Create the main window. */
memset(webpage, 0, sizeof(webpage));
ctk_window_new(&mainwindow, WWW_CONF_WEBPAGE_WIDTH,
WWW_CONF_WEBPAGE_HEIGHT+5, "Web browser");
make_window();
#ifdef WWW_CONF_HOMEPAGE
strncpy(editurl, WWW_CONF_HOMEPAGE, sizeof(editurl));
#endif /* WWW_CONF_HOMEPAGE */
CTK_WIDGET_FOCUS(&mainwindow, &urlentry);
#if WWW_CONF_WITH_WGET
/* Create download dialog.*/
ctk_dialog_new(&wgetdialog, 38, 7);
CTK_WIDGET_ADD(&wgetdialog, &wgetlabel1);
CTK_WIDGET_ADD(&wgetdialog, &wgetlabel2);
CTK_WIDGET_ADD(&wgetdialog, &wgetnobutton);
CTK_WIDGET_ADD(&wgetdialog, &wgetyesbutton);
#endif /* WWW_CONF_WITH_WGET */
ctk_window_open(&mainwindow);
while(1) {
PROCESS_WAIT_EVENT();
if(ev == tcpip_event) {
webclient_appcall(data);
} else if(ev == ctk_signal_widget_activate) {
if(w == (struct ctk_widget *)&backbutton) {
firsty = 0;
start_loading();
--history_last;
if(history_last > WWW_CONF_HISTORY_SIZE) {
history_last = WWW_CONF_HISTORY_SIZE - 1;
}
memcpy(url, history[(int)history_last], WWW_CONF_MAX_URLLEN);
open_url();
CTK_WIDGET_FOCUS(&mainwindow, &backbutton);
} else if(w == (struct ctk_widget *)&downbutton) {
firsty = pagey + WWW_CONF_WEBPAGE_HEIGHT - 4;
start_loading();
open_url();
CTK_WIDGET_FOCUS(&mainwindow, &downbutton);
} else if(w == (struct ctk_widget *)&gobutton ||
w == (struct ctk_widget *)&urlentry) {
start_loading();
firsty = 0;
log_back();
memcpy(url, editurl, WWW_CONF_MAX_URLLEN);
petsciiconv_toascii(url, WWW_CONF_MAX_URLLEN);
open_url();
CTK_WIDGET_FOCUS(&mainwindow, &gobutton);
} else if(w == (struct ctk_widget *)&stopbutton) {
loading = 0;
webclient_close();
#if WWW_CONF_WITH_WGET
} else if(w == (struct ctk_widget *)&wgetnobutton) {
ctk_dialog_close();
} else if(w == (struct ctk_widget *)&wgetyesbutton) {
ctk_dialog_close();
quit();
argptr = arg_alloc((char)WWW_CONF_MAX_URLLEN);
if(argptr != NULL) {
strncpy(argptr, url, WWW_CONF_MAX_URLLEN);
}
program_handler_load("wget.prg", argptr);
#endif /* WWW_CONF_WITH_WGET */
#if WWW_CONF_FORMS
} else {
/* Check form buttons */
for(i = 0; i < pagewidgetptr; ++i) {
if(&pagewidgets[i] == w) {
formsubmit(&pagewidgetattribs[i].form);
/* show_statustext(pagewidgetattribs[i].form.formaction);*/
/* PRINTF(("Formaction %s formname %s inputname %s\n",
pagewidgetattribs[i].form.formaction,
pagewidgetattribs[i].form.formname,
pagewidgetattribs[i].form.inputname));*/
break;
}
}
#endif /* WWW_CONF_FORMS */
}
} else if(ev == ctk_signal_hyperlink_activate) {
firsty = 0;
log_back();
open_link(w->widget.hyperlink.url);
CTK_WIDGET_FOCUS(&mainwindow, &stopbutton);
/* ctk_window_open(&mainwindow);*/
} else if(ev == ctk_signal_hyperlink_hover) {
if(CTK_WIDGET_TYPE((struct ctk_widget *)data) ==
CTK_WIDGET_HYPERLINK) {
strncpy(statustexturl, w->widget.hyperlink.url,
sizeof(statustexturl));
petsciiconv_topetscii(statustexturl, sizeof(statustexturl));
show_statustext(statustexturl);
}
} else if(ev == resolv_event_found) {
/* Either found a hostname, or not. */
if((char *)data != NULL &&
resolv_lookup((char *)data) != NULL) {
open_url();
} else {
show_statustext("Host not found.");
}
} else if(ev == ctk_signal_window_close ||
ev == PROCESS_EVENT_EXIT) {
quit();
}
}
PROCESS_END();
}
static void
add_link(struct sfs_fs *sfs, struct cache_inode *current, const char *filename, ino_t real) {
struct cache_inode *file = alloc_cache_inode(sfs, real, 0, SFS_TYPE_LINK);
open_link(sfs, file, filename);
add_entry(sfs, current, file, filename);
}
void update_links( void )
{
char_data* ch;
link_data* link;
text_data* receive;
fd_set read_set;
fd_set write_set;
fd_set exec_set;
struct timeval start;
struct timeval timeout;
gettimeofday( &start, NULL );
timeout.tv_sec = 1;
timeout.tv_usec = 0;
FD_ZERO( &read_set );
FD_ZERO( &write_set );
FD_ZERO( &exec_set );
FD_SET( socket_one, &read_set );
FD_SET( socket_two, &read_set );
for( link = link_list; link != NULL; link = link->next ) {
FD_SET( link->channel, &read_set );
FD_SET( link->channel, &write_set );
FD_SET( link->channel, &exec_set );
}
if( (int) select( FD_SETSIZE, &read_set, &write_set, &exec_set,
&timeout ) < 0 )
panic( "Update links: select" );
if( FD_ISSET( socket_one, &read_set ) )
open_link( socket_one );
if( FD_ISSET( socket_two, &read_set ) )
open_link( socket_two );
for( link = link_list; link != NULL; link = link_next ) {
link_next = link->next;
if( FD_ISSET( link->channel, &exec_set ) ) {
write( link->player );
close_socket( link );
continue;
}
if( FD_ISSET( link->channel, &read_set ) ) {
link->idle = 0;
if( link->player != NULL )
link->player->timer = current_time;
if( !read_link( link ) ) {
write( link->player );
close_socket( link );
continue;
}
}
if( link->idle++ > 10000 && link->connected != CON_PLAYING ) {
send( link, "\n\r\n\r-- CONNECTION TIMEOUT --\n\r" );
close_socket( link, TRUE );
}
}
pulse_time[ TIME_READ_INPUT ] = stop_clock( start );
gettimeofday( &start, NULL );
for( link = link_list; link != NULL; link = link_next ) {
link_next = link->next;
if( link->command = ( ( receive = link->receive ) != NULL ) ) {
ampersand( receive );
link->receive = receive->next;
link->idle = 0;
if( link->connected == CON_PLAYING ) {
stop_idling( ch = link->character );
interpret( link->character, receive->message.text );
}
else
nanny( link, receive->message.text );
delete receive;
}
}
pulse_time[ TIME_COMMANDS ] = stop_clock( start );
gettimeofday( &start, NULL );
for( link = link_list; link != NULL; link = link_next ) {
link_next = link->next;
if( link->idle%25 == 0 && FD_ISSET( link->channel, &write_set )
&& !process_output( link ) ) {
write( link->player );
close_socket( link );
}
}
pulse_time[ TIME_WRITE_OUTPUT ] = stop_clock( start );
return;
}
int main ( void ) {
char* line;
time_t* led_flash_timer;
time_t* reboot_timer;
socket_t* socket = socket0_g;
int reboot_stage = 0;
/* Turn off all LEDs as a starting point */
led_clear();
/* this must be first, because all the other init functions call malloc */
init_malloc();
/* Initialize current time and some timers */
init_current_time();
led_flash_timer = init_timer();
set_timer(led_flash_timer, 500);
reboot_timer = init_timer();
/* receive packet buffer */
rx_packet_g = malloc(sizeof(packet_t));
/* socket init */
socket0_g = init_socket(0);
socket1_g = init_socket(1);
/* open ethernet port and wait for connection requests
keep trying forever */
while (!open_link());
/* infinite loop. Everything is timer, interrupt and queue driven from here on down */
while (1) {
/* Flash a heartbeat LED */
if (timer_expired(led_flash_timer)) {
led_flip(0);
set_timer(led_flash_timer, 500);
}
/* Check for newly downloaded tftp file. Add to all tx buffers */
/* Has a file been uploaded via tftp ? */
if (udp_file_g != NULL) {
/* Notify telnet clients that file has been received */
if (udp_file_g->ready) {
udp_file_g->ready = 0;
telnet_broadcast("Received file %s, %d bytes, linux %d\r\n",
udp_file_g->filename, udp_file_g->total_bytes, udp_file_g->linux_boot);
if (process_file(socket0_g) == 0)
/* Disconnect in 1 second */
set_timer(reboot_timer, 1000);
else
telnet_broadcast("Not an elf file\r\n");
}
}
/* reboot timer expired */
if (timer_expired(reboot_timer)) {
/* First stage of reboot sequence is to nicely disconnect */
if (reboot_stage == 0) {
set_timer(reboot_timer, 1000);
reboot_stage = 1;
socket0_g->tcp_disconnect = 1;
socket1_g->tcp_disconnect = 1;
}
else {
/* Second stage of reboot sequence is to turn off ethmac and then jump to restart vector */
close_link();
reboot();
}
}
/* Poll both sockets in turn for activity */
if (socket == socket0_g)
socket = socket1_g;
else
socket = socket0_g;
/* Check if any tcp packets need to be re-transmitted */
tcp_retransmit(socket);
/* Handle exit command */
if (socket->tcp_disconnect && socket->tcp_connection_state == TCP_OPEN) {
tcp_disconnect(socket);
}
/* Reset connection */
if (socket->tcp_reset) {
socket->tcp_connection_state = TCP_CLOSED;
socket->telnet_connection_state = TELNET_CLOSED;
socket->telnet_options_sent = 0;
tcp_reply(socket, NULL, 0);
socket->tcp_reset = 0;
}
/* Send telnet options */
if (socket->tcp_connection_state == TCP_OPEN && !socket->telnet_options_sent){
telnet_options(socket);
socket->telnet_options_sent = 1;
}
/* telnet connection open
Communicate with client */
else if (socket->telnet_connection_state == TELNET_OPEN) {
/* Send telnet greeting */
if (!socket->telnet_sent_opening_message){
put_line (socket->telnet_txbuf, "Amber Processor Boot Loader\r\n> ");
socket->telnet_sent_opening_message = 1;
}
/* Parse telnet rx buffer */
if (get_line(socket->telnet_rxbuf, &line))
parse_command (socket, line);
/* Transmit text from telnet tx buffer */
telnet_tx(socket, socket->telnet_txbuf);
}
}
}