4 * Copyright (c) 2008 James McKenzie <james@fishsoup.dhs.org>,
9 static char rcsid[] = "$Id$";
13 * Revision 1.7 2008/02/20 20:16:07 james
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67 * Revision 1.1 2008/02/05 14:25:49 james
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90 get_status (TTY * t, Clients * cs)
92 static struct timeval last_cd_edge = { 0 };
93 static int last_cd_state = -1;
95 struct timeval now, dif;
97 TTY_Status tty_status = { 0 };
100 tty_get_status (t, &tty_status);
102 status.bootstrap = 1;
105 status.nclients = cs->n;
109 status.lines = tty_status.lines;
110 status.baud = tty_status.baud;
111 status.crtscts = (tty_status.termios.c_cflag & CRTSCTS) ? 1 : 0;
112 status.blocked = tty_status.blocked;
114 cd = (tty_status.lines & TIOCM_CD) ? 1 : 0;
116 if (cd != last_cd_state)
118 gettimeofday (&last_cd_edge, NULL);
122 gettimeofday (&now, NULL);
123 timersub (&now, &last_cd_edge, &dif);
124 status.cd_edge_sec = dif.tv_sec;
176 log_line_changes (Context * ctx, int old, int new)
180 char buf[1024], *ptr = buf;
188 n = "<Modem lines changed:";
199 *(ptr++) = (new & c) ? '+' : '-';
200 n = line_to_name (c);
211 ctx->l->log (ctx->l, buf);
216 do_line (char *ptr, int lines, int line)
222 lname = line_to_name (line);
226 *(ptr++) = *(lname++);
234 check_status (Context * c, Clients * cs)
236 static Status old_status = { 0 };
242 status = get_status (c->t, cs);
243 if (!memcmp (&status, &old_status, sizeof (status)))
246 log_line_changes (c, old_status.lines, status.lines);
250 ptr += sprintf (ptr, "CTRL-B ");
253 if (!strncmp (t, "/dev/", 5))
258 ptr += sprintf (ptr, " %db", status.baud);
260 ptr = do_line (ptr, status.lines, TIOCM_RTS);
261 ptr = do_line (ptr, status.lines, TIOCM_CTS);
262 ptr = do_line (ptr, status.lines, TIOCM_DTR);
263 ptr = do_line (ptr, status.lines, TIOCM_DSR);
264 ptr = do_line (ptr, status.lines, TIOCM_RI);
265 ptr = do_line (ptr, status.lines, TIOCM_CD);
282 if (status.lines & TIOCM_CD)
285 sprintf (ptr, ", On %d.%d", status.cd_edge_sec / 60,
286 status.cd_edge_sec % 60);
291 sprintf (ptr, ", Off %d.%d", status.cd_edge_sec / 60,
292 status.cd_edge_sec % 60);
297 sprintf (ptr, ", %d client%s", status.nclients,
298 (status.nclients == 1) ? "" : "s");
303 send_status (cs, buf);
305 cmd_new_status (c->d, c, buf);
311 msg_from_server (ANSI *a,IPC_Msg * m, Context * c)
316 case IPC_MSG_TYPE_NOOP:
318 case IPC_MSG_TYPE_DEBUG:
319 // fprintf (stderr,"%p [%d] %s\n", m, m->hdr.size , m->debug.msg );
321 case IPC_MSG_TYPE_HISTORY:
322 history_add (c->h, m->history.history.line);
324 case IPC_MSG_TYPE_VT102:
325 if (sizeof (VT102) != m->vt102.len)
328 *(c->v) = m->vt102.vt102;
331 a->one_shot(a,&c->v->crt);
336 case IPC_MSG_TYPE_TERM:
337 vt102_parse (c, m->term.term, m->term.len);
339 case IPC_MSG_TYPE_STATUS:
340 cmd_new_status (c->d, c, m->status.status);
343 fprintf (stderr, "Unhandeled message type %d\n", m->hdr.type);
350 mainloop (TTY * tty, Socket * server_socket, Socket * client_socket,
351 ANSI * ansi, Log * log, int nhistory)
359 c.h = history_new (nhistory);
361 /* are we being fed by a tty or a socket */
366 c.k = keydis_ipc_new (client_socket);
373 c.k = keydis_vt102_new ();
376 /* do we have an upstream terminal to talk to */
377 /* if so start a command parser */
392 clients = clients_new ();
401 struct timeval tv = { 1, 0 };
403 if ((c.d) && (c.d->disconnect))
406 /*update the status lines, locally or remotely */
408 check_status (&c, clients);
414 tty_pre_select (c.t, &rfds, &wfds);
418 FD_SET (server_socket->fd, &rfds);
419 clients_pre_select (clients, &rfds, &wfds);
423 socket_pre_select (client_socket, &rfds, &wfds);
425 if (ansi && ansi->terminal)
426 tty_pre_select (ansi->terminal, &rfds, &wfds);
428 select (FD_SETSIZE, &rfds, &wfds, NULL, &tv);
430 /*any message from clients, or new connexions */
433 Socket *new_client_socket;
434 if (FD_ISSET (server_socket->fd, &rfds)
435 && ((new_client_socket = socket_accept (server_socket))))
439 /*New client connexion */
441 clients_new_client (clients, new_client_socket, &c);
443 send_history (c.h, new_client);
444 send_vt102 (c.v, new_client);
449 clients_post_select (clients, &c, &rfds, &wfds);
452 /*any data from the port */
453 if (c.t && FD_ISSET (c.t->rfd, &rfds))
455 char buf[IPC_MAX_BUF];
458 red = c.t->recv (c.t, buf, sizeof (buf));
466 send_output (clients, buf, red);
467 vt102_parse (&c, buf, red);
473 /*any data from the server */
477 if (socket_post_select (client_socket, &rfds, &wfds))
480 while (client_socket->msg)
482 if (msg_from_server (ansi,client_socket->msg, &c))
485 socket_consume_msg (client_socket);
491 /*update our local screen */
495 ansi->dispatch (ansi, &c);
498 ansi->update (ansi, &c);
503 clients_shutdown (clients);