4 * Copyright (c) 2008 James McKenzie <james@fishsoup.dhs.org>,
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114 get_status (TTY * t, Clients * cs)
116 static struct timeval last_cd_edge = { 0 };
117 static int last_cd_state = -1;
119 struct timeval now, dif;
121 TTY_Status tty_status = { 0 };
124 tty_get_status (t, &tty_status);
126 status.bootstrap = 1;
129 status.nclients = cs->n;
133 status.lines = tty_status.lines;
134 status.baud = tty_status.baud;
135 status.crtscts = (tty_status.termios.c_cflag & CRTSCTS) ? 1 : 0;
136 status.blocked = tty_status.blocked;
138 cd = (tty_status.lines & TIOCM_CD) ? 1 : 0;
140 if (cd != last_cd_state)
142 gettimeofday (&last_cd_edge, NULL);
146 gettimeofday (&now, NULL);
147 timersub (&now, &last_cd_edge, &dif);
148 status.cd_edge_sec = dif.tv_sec;
200 log_line_changes (Context * ctx, int old, int new)
204 char buf[1024], *ptr = buf;
212 n = "<Modem lines changed:";
223 *(ptr++) = (new & c) ? '+' : '-';
224 n = line_to_name (c);
235 ctx->l->log (ctx->l, buf);
240 do_line (char *ptr, int lines, int line)
246 lname = line_to_name (line);
250 *(ptr++) = *(lname++);
258 check_status (Context * c, Clients * cs)
260 static Status old_status = { 0 };
266 status = get_status (c->t, cs);
267 if (!memcmp (&status, &old_status, sizeof (status)))
270 log_line_changes (c, old_status.lines, status.lines);
274 ptr += sprintf (ptr, "CTRL-B ");
277 if (!strncmp (t, "/dev/", 5))
282 ptr += sprintf (ptr, " %db", status.baud);
284 ptr = do_line (ptr, status.lines, TIOCM_RTS);
285 ptr = do_line (ptr, status.lines, TIOCM_CTS);
286 ptr = do_line (ptr, status.lines, TIOCM_DTR);
287 ptr = do_line (ptr, status.lines, TIOCM_DSR);
288 ptr = do_line (ptr, status.lines, TIOCM_RI);
289 ptr = do_line (ptr, status.lines, TIOCM_CD);
306 if (status.lines & TIOCM_CD)
309 sprintf (ptr, ", On %d.%d", status.cd_edge_sec / 60,
310 status.cd_edge_sec % 60);
315 sprintf (ptr, ", Off %d.%d", status.cd_edge_sec / 60,
316 status.cd_edge_sec % 60);
321 sprintf (ptr, ", %d client%s", status.nclients,
322 (status.nclients == 1) ? "" : "s");
328 sprintf (ptr, ", %d err%s", c->tp->biterrs,
329 (c->tp->biterrs == 1) ? "" : "s");
331 if (c->tp->guessed_baud == -1)
333 ptr += sprintf (ptr, " try higher");
335 else if (c->tp->guessed_baud > 0)
337 ptr += sprintf (ptr, " try %db", c->tp->guessed_baud);
344 log_f (c->l, "%s:%d %s", __FILE__, __LINE__, buf);
348 send_status (cs, buf);
350 cmd_new_status (c->d, c, buf);
356 msg_from_server (ANSI * a, IPC_Msg * m, Context * c)
361 case IPC_MSG_TYPE_NOOP:
363 case IPC_MSG_TYPE_DEBUG:
364 // fprintf (stderr,"%p [%d] %s\n", m, m->hdr.size , m->debug.msg );
366 case IPC_MSG_TYPE_HISTORY:
367 history_add (c->h, m->history.history.line);
369 case IPC_MSG_TYPE_VT102:
370 if (sizeof (VT102) != m->vt102.len)
373 *(c->v) = m->vt102.vt102;
377 a->one_shot (a, &c->v->crt);
382 case IPC_MSG_TYPE_TERM:
383 tty_parse (c, m->term.term, m->term.len);
385 case IPC_MSG_TYPE_STATUS:
386 cmd_new_status (c->d, c, m->status.status);
389 fprintf (stderr, "Unhandeled message type %d\n", m->hdr.type);
396 mainloop (TTY * tty, Socket * server_socket, Socket * client_socket,
397 ANSI * ansi, Log * log, int nhistory,int width)
405 c.tp = tty_parser_new ();
408 c.v = vt102_new (width);
409 c.h = history_new (nhistory);
411 /* are we being fed by a tty or a socket */
416 c.k = keydis_ipc_new (client_socket);
423 c.k = keydis_vt102_new ();
426 /* do we have an upstream terminal to talk to */
427 /* if so start a command parser */
442 clients = clients_new ();
451 struct timeval tv = { 0, 250000 };
453 if ((c.d) && (c.d->disconnect))
456 /*update the status lines, locally or remotely */
458 check_status (&c, clients);
464 tty_pre_select (c.t, &rfds, &wfds);
468 FD_SET (server_socket->fd, &rfds);
469 clients_pre_select (clients, &rfds, &wfds);
473 socket_pre_select (client_socket, &rfds, &wfds);
475 if (ansi && ansi->terminal)
476 tty_pre_select (ansi->terminal, &rfds, &wfds);
478 select (FD_SETSIZE, &rfds, &wfds, NULL, &tv);
480 /*any message from clients, or new connexions */
483 Socket *new_client_socket;
484 if (FD_ISSET (server_socket->fd, &rfds)
485 && ((new_client_socket = socket_accept (server_socket))))
489 /*New client connexion */
491 clients_new_client (clients, new_client_socket, &c);
493 send_history (c.h, new_client);
494 send_vt102 (c.v, new_client);
499 clients_post_select (clients, &c, &rfds, &wfds);
502 /*any data from the port */
503 if (c.t && FD_ISSET (c.t->rfd, &rfds))
505 char buf[IPC_MAX_BUF];
508 red = c.t->recv (c.t, buf, sizeof (buf));
516 send_output (clients, buf, red);
517 tty_parse (&c, buf, red);
523 /*any data from the server */
527 if (socket_post_select (client_socket, &rfds, &wfds))
530 while (client_socket->msg)
532 if (msg_from_server (ansi, client_socket->msg, &c))
535 socket_consume_msg (client_socket);
542 /*update our local screen */
546 ansi->dispatch (ansi, &c);
549 ansi->update (ansi, &c);
554 clients_shutdown (clients);