-/*
+/*
* mainloop.c:
*
* Copyright (c) 2008 James McKenzie <james@fishsoup.dhs.org>,
*/
static char rcsid[] =
- "$Id$";
+ "$Id: mainloop.c,v 1.33 2008/05/09 12:35:57 james Exp $";
-/*
- * $Log$
+/*
+ * $Log: mainloop.c,v $
+ * Revision 1.33 2008/05/09 12:35:57 james
+ * *** empty log message ***
+ *
+ * Revision 1.32 2008/03/11 17:56:50 james
+ * *** empty log message ***
+ *
+ * Revision 1.31 2008/03/11 17:56:04 james
+ * *** empty log message ***
+ *
+ * Revision 1.30 2008/03/11 17:47:24 james
+ * *** empty log message ***
+ *
+ * Revision 1.29 2008/03/10 11:49:32 james
+ * *** empty log message ***
+ *
+ * Revision 1.28 2008/03/07 13:56:39 james
+ * *** empty log message ***
+ *
+ * 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 ***
+ *
+ * Revision 1.25 2008/03/06 21:33:02 james
+ * *** empty log message ***
+ *
+ * Revision 1.24 2008/03/06 16:49:39 james
+ * *** empty log message ***
+ *
+ * Revision 1.23 2008/03/06 16:49:05 james
+ * *** empty log message ***
+ *
+ * Revision 1.22 2008/03/03 06:04:42 james
+ * *** empty log message ***
+ *
* Revision 1.21 2008/03/02 10:27:24 james
* *** empty log message ***
*
#include "clients.h"
-Context *context;
-typedef struct {
+typedef struct
+{
int nclients;
int lines;
int baud;
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);
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 "??";
}
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++);
- }
+ if (dif & c)
+ {
+ *(ptr++) = ' ';
+ *(ptr++) = (new & c) ? '+' : '-';
+ n = line_to_name (c);
+ while (*n)
+ *(ptr++) = *(n++);
+ }
- c <<= 1;
- }
+ c <<= 1;
+ }
*(ptr++) = '>';
*ptr = 0;
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;
static int
msg_from_server (ANSI * a, IPC_Msg * m, Context * c)
{
- 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);
- return 1;
+ 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)
+ 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);
}
- break;
- case IPC_MSG_TYPE_TERM:
- 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 0;
+ return err;
}
void
-mainloop (TTY * tty, Socket * server_socket, Socket * client_socket,
- ANSI * ansi, Log * log, int nhistory, CRT_Pos * size)
+mainloop (Context * c, ANSI * ansi, Socket * server_socket,
+ Socket * client_socket)
{
fd_set rfds, wfds;
- Context c = { 0 };
Clients *clients;
- context = &c;
-
- c.tp = tty_parser_new ();
- c.u = utf8_new ();
+ c->tp = tty_parser_new ();
+ c->u = utf8_new ();
- c.v = vt102_new (size);
- c.h = history_new (nhistory);
- c.l = log;
/* 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 (!tty)
- abort ();
- c.t = tty;
- 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);
+ 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) {
- Socket *new_client_socket;
- if (FD_ISSET (server_socket->fd, &rfds)
- && ((new_client_socket = socket_accept (server_socket)))) {
+ /* any message from clients, or new connexions */
+ if (server_socket)
{
- Client *new_client;
- /*New client connexion */
- new_client = clients_new_client (clients, new_client_socket, &c);
+ 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);
}
- }
- clients_post_select (clients, &c, &rfds, &wfds);
- }
+ /* any data from the port */
+ if (c->t && FD_ISSET (c->t->rfd, &rfds))
+ {
+ char buf[IPC_MAX_BUF];
+ int red;
- /*any data from the port */
- if (c.t && FD_ISSET (c.t->rfd, &rfds)) {
- char buf[IPC_MAX_BUF];
- int red;
+ red = c->t->recv (c->t, buf, sizeof (buf));
- red = c.t->recv (c.t, buf, sizeof (buf));
+ if (red < 0)
+ break;
- if (red < 0)
- break;
+ if (red)
+ {
+ if (clients)
+ send_output (clients, buf, red);
+ if (tty_parse (c, buf, red))
+ break;
+ }
+ }
- if (red) {
- if (clients)
- send_output (clients, buf, red);
- tty_parse (&c, buf, red);
- }
- }
+ /* any data from the server */
+ if (client_socket)
+ {
+ int err = 0;
- /*any data from the server */
- if (client_socket) {
- int one_shot;
- if (socket_post_select (client_socket, &rfds, &wfds))
- break;
+ if (socket_post_select (client_socket, &rfds, &wfds))
+ break;
- while (client_socket->msg) {
- if (msg_from_server (ansi, client_socket->msg, &c))
- one_shot++;
+ while (client_socket->msg && !err)
+ {
+ err += msg_from_server (ansi, client_socket->msg, c);
+ socket_consume_msg (client_socket);
+ }
- socket_consume_msg (client_socket);
- }
- if (one_shot)
- break;
- }
+ if (err)
+ break;
+ }
- /*update our local screen */
- if (ansi) {
- if (ansi->dispatch)
- ansi->dispatch (ansi, &c);
+ /* update our local screen */
+ if (ansi)
+ {
+ if (ansi->dispatch)
+ if (ansi->dispatch (ansi, c))
+ break;
- if (ansi->update)
- ansi->update (ansi, &c);
+ if (ansi->update)
+ if (ansi->update (ansi, c))
+ break;
+ }
}
- }
if (clients)
- clients_shutdown (clients);
+ clients_shutdown (clients, c);
+ log_f (c->l, "<sympathy is now terminating>");
}
~ianmdlvl / sympathy.git / blobdiff