4 * Copyright (c) 2008 James McKenzie <james@fishsoup.dhs.org>,
9 static char rcsid[] = "$Id$";
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93 get_status (TTY * t, Clients * cs)
95 static struct timeval last_cd_edge = { 0 };
96 static int last_cd_state = -1;
98 struct timeval now, dif;
100 TTY_Status tty_status = { 0 };
103 tty_get_status (t, &tty_status);
105 status.bootstrap = 1;
108 status.nclients = cs->n;
112 status.lines = tty_status.lines;
113 status.baud = tty_status.baud;
114 status.crtscts = (tty_status.termios.c_cflag & CRTSCTS) ? 1 : 0;
115 status.blocked = tty_status.blocked;
117 cd = (tty_status.lines & TIOCM_CD) ? 1 : 0;
119 if (cd != last_cd_state)
121 gettimeofday (&last_cd_edge, NULL);
125 gettimeofday (&now, NULL);
126 timersub (&now, &last_cd_edge, &dif);
127 status.cd_edge_sec = dif.tv_sec;
179 log_line_changes (Context * ctx, int old, int new)
183 char buf[1024], *ptr = buf;
191 n = "<Modem lines changed:";
202 *(ptr++) = (new & c) ? '+' : '-';
203 n = line_to_name (c);
214 ctx->l->log (ctx->l, buf);
219 do_line (char *ptr, int lines, int line)
225 lname = line_to_name (line);
229 *(ptr++) = *(lname++);
237 check_status (Context * c, Clients * cs)
239 static Status old_status = { 0 };
245 status = get_status (c->t, cs);
246 if (!memcmp (&status, &old_status, sizeof (status)))
249 log_line_changes (c, old_status.lines, status.lines);
253 ptr += sprintf (ptr, "CTRL-B ");
256 if (!strncmp (t, "/dev/", 5))
261 ptr += sprintf (ptr, " %db", status.baud);
263 ptr = do_line (ptr, status.lines, TIOCM_RTS);
264 ptr = do_line (ptr, status.lines, TIOCM_CTS);
265 ptr = do_line (ptr, status.lines, TIOCM_DTR);
266 ptr = do_line (ptr, status.lines, TIOCM_DSR);
267 ptr = do_line (ptr, status.lines, TIOCM_RI);
268 ptr = do_line (ptr, status.lines, TIOCM_CD);
285 if (status.lines & TIOCM_CD)
288 sprintf (ptr, ", On %d.%d", status.cd_edge_sec / 60,
289 status.cd_edge_sec % 60);
294 sprintf (ptr, ", Off %d.%d", status.cd_edge_sec / 60,
295 status.cd_edge_sec % 60);
300 sprintf (ptr, ", %d client%s", status.nclients,
301 (status.nclients == 1) ? "" : "s");
306 send_status (cs, buf);
308 cmd_new_status (c->d, c, buf);
314 msg_from_server (ANSI *a,IPC_Msg * m, Context * c)
319 case IPC_MSG_TYPE_NOOP:
321 case IPC_MSG_TYPE_DEBUG:
322 // fprintf (stderr,"%p [%d] %s\n", m, m->hdr.size , m->debug.msg );
324 case IPC_MSG_TYPE_HISTORY:
325 history_add (c->h, m->history.history.line);
327 case IPC_MSG_TYPE_VT102:
328 if (sizeof (VT102) != m->vt102.len)
331 *(c->v) = m->vt102.vt102;
334 a->one_shot(a,&c->v->crt);
339 case IPC_MSG_TYPE_TERM:
340 tty_parse (c, m->term.term, m->term.len);
342 case IPC_MSG_TYPE_STATUS:
343 cmd_new_status (c->d, c, m->status.status);
346 fprintf (stderr, "Unhandeled message type %d\n", m->hdr.type);
353 mainloop (TTY * tty, Socket * server_socket, Socket * client_socket,
354 ANSI * ansi, Log * log, int nhistory)
362 c.h = history_new (nhistory);
364 /* are we being fed by a tty or a socket */
369 c.k = keydis_ipc_new (client_socket);
376 c.k = keydis_vt102_new ();
379 /* do we have an upstream terminal to talk to */
380 /* if so start a command parser */
395 clients = clients_new ();
404 struct timeval tv = { 1, 0 };
406 if ((c.d) && (c.d->disconnect))
409 /*update the status lines, locally or remotely */
411 check_status (&c, clients);
417 tty_pre_select (c.t, &rfds, &wfds);
421 FD_SET (server_socket->fd, &rfds);
422 clients_pre_select (clients, &rfds, &wfds);
426 socket_pre_select (client_socket, &rfds, &wfds);
428 if (ansi && ansi->terminal)
429 tty_pre_select (ansi->terminal, &rfds, &wfds);
431 select (FD_SETSIZE, &rfds, &wfds, NULL, &tv);
433 /*any message from clients, or new connexions */
436 Socket *new_client_socket;
437 if (FD_ISSET (server_socket->fd, &rfds)
438 && ((new_client_socket = socket_accept (server_socket))))
442 /*New client connexion */
444 clients_new_client (clients, new_client_socket, &c);
446 send_history (c.h, new_client);
447 send_vt102 (c.v, new_client);
452 clients_post_select (clients, &c, &rfds, &wfds);
455 /*any data from the port */
456 if (c.t && FD_ISSET (c.t->rfd, &rfds))
458 char buf[IPC_MAX_BUF];
461 red = c.t->recv (c.t, buf, sizeof (buf));
469 send_output (clients, buf, red);
470 tty_parse (&c, buf, red);
476 /*any data from the server */
480 if (socket_post_select (client_socket, &rfds, &wfds))
483 while (client_socket->msg)
485 if (msg_from_server (ansi,client_socket->msg, &c))
488 socket_consume_msg (client_socket);
494 /*update our local screen */
498 ansi->dispatch (ansi, &c);
501 ansi->update (ansi, &c);
506 clients_shutdown (clients);