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-rw-r--r--apps/mainloop.c408
1 files changed, 188 insertions, 220 deletions
diff --git a/apps/mainloop.c b/apps/mainloop.c
index a3697f3..6eec7be 100644
--- a/apps/mainloop.c
+++ b/apps/mainloop.c
@@ -1,4 +1,4 @@
-/*
+/*
* mainloop.c:
*
* Copyright (c) 2008 James McKenzie <james@fishsoup.dhs.org>,
@@ -9,8 +9,11 @@
static char rcsid[] =
"$Id$";
-/*
+/*
* $Log$
+ * Revision 1.27 2008/03/07 13:16:02 james
+ * *** empty log message ***
+ *
* Revision 1.26 2008/03/06 21:34:09 james
* *** empty log message ***
*
@@ -172,11 +175,10 @@ get_status (TTY * t, Clients * cs)
cd = (tty_status.lines & TIOCM_CD) ? 1 : 0;
- if (cd != last_cd_state)
- {
- gettimeofday (&last_cd_edge, NULL);
- last_cd_state = cd;
- }
+ if (cd != last_cd_state) {
+ gettimeofday (&last_cd_edge, NULL);
+ last_cd_state = cd;
+ }
gettimeofday (&now, NULL);
timersub (&now, &last_cd_edge, &dif);
@@ -189,45 +191,44 @@ static char *
line_to_name (int l)
{
- switch (l)
- {
+ switch (l) {
#ifdef TIOCM_LE
- case TIOCM_LE:
- return "LE";
+ case TIOCM_LE:
+ return "LE";
#endif
#ifdef TIOCM_DTR
- case TIOCM_DTR:
- return "DTR";
+ case TIOCM_DTR:
+ return "DTR";
#endif
#ifdef TIOCM_RTS
- case TIOCM_RTS:
- return "RTS";
+ case TIOCM_RTS:
+ return "RTS";
#endif
#ifdef TIOCM_ST
- case TIOCM_ST:
- return "ST";
+ case TIOCM_ST:
+ return "ST";
#endif
#ifdef TIOCM_SR
- case TIOCM_SR:
- return "SR";
+ case TIOCM_SR:
+ return "SR";
#endif
#ifdef TIOCM_CTS
- case TIOCM_CTS:
- return "CTS";
+ case TIOCM_CTS:
+ return "CTS";
#endif
#ifdef TIOCM_CD
- case TIOCM_CD:
- return "CD";
+ case TIOCM_CD:
+ return "CD";
#endif
#ifdef TIOCM_RI
- case TIOCM_RI:
- return "RI";
+ case TIOCM_RI:
+ return "RI";
#endif
#ifdef TIOCM_DSR
- case TIOCM_DSR:
- return "DSR";
+ case TIOCM_DSR:
+ return "DSR";
#endif
- }
+ }
return "??";
}
@@ -249,20 +250,18 @@ log_line_changes (Context * ctx, int old, int new)
while (*n)
*(ptr++) = *(n++);
- while (dif >= c)
- {
+ while (dif >= c) {
- if (dif & c)
- {
- *(ptr++) = ' ';
- *(ptr++) = (new & c) ? '+' : '-';
- n = line_to_name (c);
- while (*n)
- *(ptr++) = *(n++);
- }
-
- c <<= 1;
+ if (dif & c) {
+ *(ptr++) = ' ';
+ *(ptr++) = (new & c) ? '+' : '-';
+ n = line_to_name (c);
+ while (*n)
+ *(ptr++) = *(n++);
}
+
+ c <<= 1;
+ }
*(ptr++) = '>';
*ptr = 0;
@@ -323,54 +322,45 @@ check_status (Context * c, Clients * cs)
ptr = do_line (ptr, status.lines, TIOCM_RI);
ptr = do_line (ptr, status.lines, TIOCM_CD);
- if (status.blocked)
- {
- t = ", Locked";
- while (*t)
- *(ptr++) = *(t++);
- }
-
- if (status.crtscts)
- {
- t = ", Flow";
- while (*t)
- *(ptr++) = *(t++);
- }
+ if (status.blocked) {
+ t = ", Locked";
+ while (*t)
+ *(ptr++) = *(t++);
+ }
+
+ if (status.crtscts) {
+ t = ", Flow";
+ while (*t)
+ *(ptr++) = *(t++);
+ }
#if 0
- if (status.lines & TIOCM_CD)
- {
- ptr +=
- sprintf (ptr, ", On %d.%d", status.cd_edge_sec / 60,
- status.cd_edge_sec % 60);
- }
- else
- {
- ptr +=
- sprintf (ptr, ", Off %d.%d", status.cd_edge_sec / 60,
- status.cd_edge_sec % 60);
- }
+ if (status.lines & TIOCM_CD) {
+ ptr +=
+ sprintf (ptr, ", On %d.%d", status.cd_edge_sec / 60,
+ status.cd_edge_sec % 60);
+ } else {
+ ptr +=
+ sprintf (ptr, ", Off %d.%d", status.cd_edge_sec / 60,
+ status.cd_edge_sec % 60);
+ }
#endif
ptr +=
sprintf (ptr, ", %d client%s", status.nclients,
(status.nclients == 1) ? "" : "s");
- if (c->tp->biterrs)
- {
+ if (c->tp->biterrs) {
- ptr +=
- sprintf (ptr, ", %d err%s", c->tp->biterrs,
- (c->tp->biterrs == 1) ? "" : "s");
+ ptr +=
+ sprintf (ptr, ", %d err%s", c->tp->biterrs,
+ (c->tp->biterrs == 1) ? "" : "s");
- if (c->tp->guessed_baud == -1)
- {
- ptr += sprintf (ptr, " try higher");
- }
- else if (c->tp->guessed_baud > 0)
- {
- ptr += sprintf (ptr, " try %db", c->tp->guessed_baud);
- }
+ if (c->tp->guessed_baud == -1) {
+ ptr += sprintf (ptr, " try higher");
+ } else if (c->tp->guessed_baud > 0) {
+ ptr += sprintf (ptr, " try %db", c->tp->guessed_baud);
}
+ }
*ptr = 0;
@@ -390,38 +380,37 @@ static int
msg_from_server (ANSI * a, IPC_Msg * m, Context * c)
{
int err = 0;
- switch (m->hdr.type)
- {
-
- case IPC_MSG_TYPE_NOOP:
- break;
- case IPC_MSG_TYPE_DEBUG:
-// fprintf (stderr,"%p [%d] %s\n", m, m->hdr.size , m->debug.msg );
- break;
- case IPC_MSG_TYPE_HISTORY:
- history_add (c->h, m->history.history.line);
- break;
- case IPC_MSG_TYPE_VT102:
- if (sizeof (VT102) != m->vt102.len)
- abort ();
-
- *(c->v) = m->vt102.vt102;
-
- if (a->one_shot)
- {
- a->one_shot (a, &c->v->crt);
- err++; /*Simulate a fatal write error enclosing tty */
- }
- break;
- case IPC_MSG_TYPE_TERM:
- err += tty_parse (c, m->term.term, m->term.len);
- break;
- case IPC_MSG_TYPE_STATUS:
- cmd_new_status (c->d, c, m->status.status);
- break;
- default:
- fprintf (stderr, "Unhandeled message type %d\n", m->hdr.type);
+ switch (m->hdr.type) {
+
+ case IPC_MSG_TYPE_NOOP:
+ break;
+ case IPC_MSG_TYPE_DEBUG:
+ // fprintf (stderr,"%p [%d] %s\n", m, m->hdr.size , m->debug.msg );
+ break;
+ case IPC_MSG_TYPE_HISTORY:
+ history_add (c->h, m->history.history.line);
+ break;
+ case IPC_MSG_TYPE_VT102:
+ if (sizeof (VT102) != m->vt102.len)
+ crash_out("sizeof(VT102) differs in client and server");
+
+ *(c->v) = m->vt102.vt102;
+
+ if (a->one_shot) {
+ a->one_shot (a, &c->v->crt);
+ err++; /* Simulate a fatal write error enclosing tty
+ */
}
+ break;
+ case IPC_MSG_TYPE_TERM:
+ err += tty_parse (c, m->term.term, m->term.len);
+ break;
+ case IPC_MSG_TYPE_STATUS:
+ cmd_new_status (c->d, c, m->status.status);
+ break;
+ default:
+ fprintf (stderr, "Unhandeled message type %d\n", m->hdr.type);
+ }
return err;
}
@@ -437,151 +426,130 @@ mainloop (Context * c, ANSI * ansi, Socket * server_socket,
c->u = utf8_new ();
/* are we being fed by a tty or a socket */
- if (client_socket)
- {
- if (server_socket)
- abort ();
- c->k = keydis_ipc_new (client_socket);
- }
- else
- {
- if (!c->t)
- abort ();
- c->k = keydis_vt102_new ();
- }
+ if (client_socket) {
+ if (server_socket)
+ crash_out("mainloop cannot both be a server and a client");
+ c->k = keydis_ipc_new (client_socket);
+ } else {
+ if (!c->t)
+ crash_out("mainloop must have either a client_socket or a terminal");
+ c->k = keydis_vt102_new ();
+ }
/* do we have an upstream terminal to talk to */
/* if so start a command parser */
- if (ansi)
- {
- c->d = cmd_new ();
- }
- else
- {
- c->d = NULL;
- }
+ if (ansi) {
+ c->d = cmd_new ();
+ } else {
+ c->d = NULL;
+ }
vt102_reset (c);
- if (server_socket)
- {
- if (client_socket)
- abort ();
- clients = clients_new ();
- }
- else
- {
- clients = NULL;
- }
+ if (server_socket) {
+ if (client_socket)
+ crash_out("mainloop cannot both be a server and a client");
+ clients = clients_new ();
+ } else {
+ clients = NULL;
+ }
- for (;;)
- {
- struct timeval tv = { 0, 250000 };
+ for (;;) {
+ struct timeval tv = { 0, 250000 };
- if ((c->d) && (c->d->disconnect))
- break;
+ if ((c->d) && (c->d->disconnect))
+ break;
- /*update the status lines, locally or remotely */
- if (c->t)
- check_status (c, clients);
+ /* update the status lines, locally or remotely */
+ if (c->t)
+ check_status (c, clients);
- FD_ZERO (&rfds);
- FD_ZERO (&wfds);
+ FD_ZERO (&rfds);
+ FD_ZERO (&wfds);
- if (c->t)
- tty_pre_select (c->t, &rfds, &wfds);
+ if (c->t)
+ tty_pre_select (c->t, &rfds, &wfds);
- if (server_socket)
- {
- FD_SET (server_socket->fd, &rfds);
- clients_pre_select (clients, &rfds, &wfds);
- }
+ if (server_socket) {
+ FD_SET (server_socket->fd, &rfds);
+ clients_pre_select (clients, &rfds, &wfds);
+ }
- if (client_socket)
- socket_pre_select (client_socket, &rfds, &wfds);
+ if (client_socket)
+ socket_pre_select (client_socket, &rfds, &wfds);
- if (ansi && ansi->terminal)
- tty_pre_select (ansi->terminal, &rfds, &wfds);
+ if (ansi && ansi->terminal)
+ tty_pre_select (ansi->terminal, &rfds, &wfds);
- select (FD_SETSIZE, &rfds, &wfds, NULL, &tv);
+ select (FD_SETSIZE, &rfds, &wfds, NULL, &tv);
- /*any message from clients, or new connexions */
- if (server_socket)
+ /* any message from clients, or new connexions */
+ if (server_socket) {
+ Socket *new_client_socket;
+ if (FD_ISSET (server_socket->fd, &rfds)
+ && ((new_client_socket = socket_accept (server_socket)))) {
{
- Socket *new_client_socket;
- if (FD_ISSET (server_socket->fd, &rfds)
- && ((new_client_socket = socket_accept (server_socket))))
- {
- {
- Client *new_client;
- /*New client connexion */
- new_client =
- clients_new_client (clients, new_client_socket, c);
-
- send_history (c->h, new_client);
- send_vt102 (c->v, new_client);
-
- }
- }
-
- clients_post_select (clients, c, &rfds, &wfds);
+ Client *new_client;
+ /* New client connexion */
+ new_client = clients_new_client (clients, new_client_socket, c);
+
+
}
+ }
- /*any data from the port */
- if (c->t && FD_ISSET (c->t->rfd, &rfds))
- {
- char buf[IPC_MAX_BUF];
- int red;
+ clients_post_select (clients, c, &rfds, &wfds);
+ }
- red = c->t->recv (c->t, buf, sizeof (buf));
+ /* any data from the port */
+ if (c->t && FD_ISSET (c->t->rfd, &rfds)) {
+ char buf[IPC_MAX_BUF];
+ int red;
- if (red < 0)
- break;
+ red = c->t->recv (c->t, buf, sizeof (buf));
- if (red)
- {
- if (clients)
- send_output (clients, buf, red);
- if (tty_parse (c, buf, red))
- break;
- }
- }
+ if (red < 0)
+ break;
+ if (red) {
+ if (clients)
+ send_output (clients, buf, red);
+ if (tty_parse (c, buf, red))
+ break;
+ }
+ }
- /*any data from the server */
- if (client_socket)
- {
- int err = 0;
- if (socket_post_select (client_socket, &rfds, &wfds))
- break;
+ /* any data from the server */
+ if (client_socket) {
+ int err = 0;
- while (client_socket->msg && !err)
- {
- err += msg_from_server (ansi, client_socket->msg, c);
- socket_consume_msg (client_socket);
- }
+ if (socket_post_select (client_socket, &rfds, &wfds))
+ break;
- if (err)
- break;
- }
+ while (client_socket->msg && !err) {
+ err += msg_from_server (ansi, client_socket->msg, c);
+ socket_consume_msg (client_socket);
+ }
+ if (err)
+ break;
+ }
- /*update our local screen */
- if (ansi)
- {
- if (ansi->dispatch)
- if (ansi->dispatch (ansi, c))
- break;
- if (ansi->update)
- if (ansi->update (ansi, c))
- break;
- }
+ /* update our local screen */
+ if (ansi) {
+ if (ansi->dispatch)
+ if (ansi->dispatch (ansi, c))
+ break;
+
+ if (ansi->update)
+ if (ansi->update (ansi, c))
+ break;
}
+ }
if (clients)
clients_shutdown (clients);
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-03 05:44:39 +0000