1 /* ivac.c -- main ivac file
3 * author: hackbard@hackdaworld.dyndns.org
4 * frank.zirkelbach@physik.uni-augsburg.de
6 * Copyright (C) 2004 Frank Zirkelbach
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 int main(int argc,char **argv) {
32 /* set username (futur: read from config or entered later) */
33 strcpy(ivac.username,"hackbard");
34 memset(&ivac.console[0][0],0,IVAC_CONSOLE_LEN*IVAC_CONSOLE_STRING_LEN);
36 /* set capabilities (futur: set by check routines) */
38 ivac.av_cap=AUDIO|VIDEO|DUPLEX;
40 /* set event timeout */
41 ivac.event.timeout.tv_sec=IVAC_S_SEC;
42 ivac.event.timeout.tv_usec=IVAC_S_USEC;
44 /* set listen port (futur: read from config or entered later) */
45 network_set_listen_port(&(ivac.net),IVAC_LISTEN_PORT);
48 event_init(&(ivac.event));
51 ivac.input.mode=CONTENT_BUFFER;
52 input_init(&(ivac.input));
55 if(network_init(&(ivac.net))==N_ERROR) {
56 printf("[ivac] use 'fuser -n tcp %d' to determine the process to kill!\n",
62 /* add listening port + stdin to (read) event system */
63 event_math(ivac.net.l_fd,&(ivac.event),READ,ADD);
64 event_math(0,&(ivac.event),READ,ADD);
67 display_init(&(ivac.display));
70 ivac_display(&(ivac.display));
72 /* start event system - callbacks used: ivac_event_cb + ivac_regular_cb */
73 event_start(&(ivac.event),(void *)&ivac,ivac_event_cb,ivac_regular_cb);
80 int ivac_shutdown(t_ivac *ivac) {
82 network_shutdown(&(ivac->net));
83 input_shutdown(&(ivac->input));
84 event_stop(&(ivac->event));
85 display_shutdown(&(ivac->display));
90 int ivac_send_info(int channel,t_ivac *ivac) {
92 char data[SEND_N_MAX];
95 size=strlen(ivac->username);
97 data[0]=IVAC_SEND_NAME;
99 strncpy(data+2,ivac->username,size);
102 data[size]=IVAC_SEND_G_CAP;
104 data[size+2]=ivac->g_cap;
107 data[size]=IVAC_SEND_AV_CAP;
109 data[size+2]=(ivac->av_cap)>>8;
110 data[size+3]=(ivac->av_cap)&0xff;
113 if(network_send(ivac->net.connection[channel].fd,data,size)==N_ERROR) {
114 puts("[ivac] ivac_send_info failed");
121 int ivac_receive_info(int channel,t_ivac *ivac) {
123 char data[SEND_N_MAX];
128 if((length=network_receive(ivac->net.connection[channel].fd,
129 data,SEND_N_MAX))==N_ERROR) {
130 puts("[ivac] ivac_receive_info failed");
134 while(length-count) {
135 switch(data[count]) {
137 strncpy(ivac->challenger[channel].name,data+count+2,data[count+1]);
138 ivac->challenger[channel].name[data[count+1]]='\0';
139 count+=(data[count+1]+2);
141 case IVAC_SEND_G_CAP:
142 ivac->challenger[channel].g_cap=data[count+2];
145 case IVAC_SEND_AV_CAP:
146 ivac->challenger[channel].av_cap=data[count+2]<<8;
147 ivac->challenger[channel].av_cap|=data[count+3];
151 puts("[ivac] ivac_receive_info, unknown character");
160 int ivac_event_cb(t_event *event,void *ptr) {
167 if(FD_ISSET(ivac->net.l_fd,&(event->rfds))) {
168 /* manage incoming + send info */
169 channel=network_manage_incoming(&(ivac->net));
170 event_math(ivac->net.connection[channel].fd,event,READ,ADD);
171 ivac_send_info(channel,ivac);
175 for(channel=0;channel<MAX_CONNECTIONS;channel++)
176 if(ivac->net.connection[channel].status&C_ESTABL)
177 if(FD_ISSET(ivac->net.connection[channel].fd,&(event->rfds)))
178 ivac_receive_info(channel,ivac);
180 /* user interaction */
181 if(FD_ISSET(0,&(event->rfds)))
182 input_get_event(&(ivac->input),ivac_parse_command,ivac);
184 /* display ivac gui */
185 ivac_display_content(ivac);
190 int ivac_regular_cb(t_event *event,void *ptr) {
192 /* usual jobs like audio & video transmit ... */
197 int ivac_parse_command(t_input *input,void *ptr) {
203 char c_str[IVAC_CONSOLE_STRING_LEN];
208 memset(c_str,0,IVAC_CONSOLE_STRING_LEN);
210 /* parse command routines */
212 if((data[i]=='\r') || (data[i]=='\n')) {
220 if(!strncmp(data+1,"quit",4)) {
222 sprintf(c_str,"ivac shutdown\n");
223 ivac_add_to_monitor(ivac,c_str);
233 snprintf(c_str,IVAC_CONSOLE_STRING_LEN-1,"unknown command: '%s...'\n",
235 ivac_add_to_monitor(ivac,c_str);
238 /* delete content buffer + reset counter */
239 memset(input->content,0,input->c_count);
247 int ivac_display_head(t_display *display) {
252 for(x=0;x<display->max_x;x++) addch('#');
254 mvaddstr(1,(display->max_x-4)/2-4,"- ivac -");
255 mvaddstr(1,(display->max_x-2),"##");
257 for(x=0;x<display->max_x;x++) addch('#');
263 int ivac_display_box(t_display *display) {
267 for(y=IVAC_PROMPT_LEN;y<display->max_y-IVAC_PROMPT_LEN;y++) {
269 mvaddch(y,display->max_x-1,'#');
275 int ivac_display_box_content(t_ivac *ivac) {
281 int ivac_display_console(t_display *display) {
285 move(display->max_y-IVAC_CONSOLE_LEN-IVAC_PROMPT_LEN-1,0);
286 for(x=0;x<display->max_x;x++) addch('#');
291 int ivac_display_console_content(t_ivac *ivac) {
294 for(y=0;y<IVAC_CONSOLE_LEN;y++) {
295 len=strlen(ivac->console[y]);
296 move(ivac->display.max_y-IVAC_CONSOLE_LEN-IVAC_PROMPT_LEN+y,2);
297 for(x=0;x<IVAC_CONSOLE_STRING_LEN;x++) addch(ivac->console[y][x]);
304 int ivac_display_prompt(t_display *display) {
308 move(display->max_y-3,0);
309 for(x=0;x<display->max_x;x++) addch('#');
310 mvaddstr(display->max_y-2,0,"## command: ");
311 mvaddstr(display->max_y-2,display->max_x-2,"##");
312 move(display->max_y-1,0);
313 for(x=0;x<display->max_x;x++) addch('#');
319 int ivac_display_prompt_content(t_ivac *ivac) {
323 /* delete old command */
324 if(ivac->input.c_count==0) {
325 move(ivac->display.max_y-2,12);
326 for(x=12;x<ivac->display.max_x-1;x++) addch(' ');
329 for(x=0;x<ivac->input.c_count;x++)
330 mvaddch(ivac->display.max_y-2,x+12,ivac->input.content[x]);
336 int ivac_display(t_display *display) {
341 ivac_display_head(display);
344 ivac_display_box(display);
346 /* display console */
347 ivac_display_console(display);
349 /* display command prompt */
350 ivac_display_prompt(display);
355 int ivac_display_content(t_ivac *ivac) {
357 /* display box content */
358 ivac_display_box_content(ivac);
360 /* display console content */
361 ivac_display_console_content(ivac);
363 /* display prompt content */
364 ivac_display_prompt_content(ivac);
369 int ivac_add_to_monitor(t_ivac *ivac,char *msg) {
373 for(i=0;i<IVAC_CONSOLE_LEN-1;i++)
374 memcpy(ivac->console[i],ivac->console[i+1],IVAC_CONSOLE_STRING_LEN);
375 memcpy(ivac->console[IVAC_CONSOLE_LEN-1],msg,IVAC_CONSOLE_STRING_LEN);
376 ivac_display_console_content(ivac);