/*
* creates the sockets for listening to clients
*
* only called when server first started
*/
void
CreateSockets(int old_listen_count, OldListenRec *old_listen)
{
int i;
FD_ZERO(&AllSockets);
FD_ZERO(&AllClients);
FD_ZERO(&LastSelectMask);
FD_ZERO(&ClientsWithInput);
FD_ZERO(&WellKnownConnections);
for (i = 0; i < MAXSOCKS; i++)
ConnectionTranslation[i] = 0;
#ifdef XNO_SYSCONF /* should only be on FreeBSD 1.x and NetBSD 0.x */
#undef _SC_OPEN_MAX
#endif
#ifdef _SC_OPEN_MAX
lastfdesc = sysconf(_SC_OPEN_MAX) - 1;
#else
#if defined(hpux) || defined(__UNIXOS2__)
lastfdesc = _NFILE - 1;
#else
lastfdesc = getdtablesize() - 1;
#endif /* hpux */
#endif
if (lastfdesc > MAXSOCKS) {
lastfdesc = MAXSOCKS;
}
if (old_listen_count > 0) {
/*
* The font server cloned itself. Re-use previously opened
* transports for listening.
*/
ListenTransConns = (XtransConnInfo *) malloc (
old_listen_count * sizeof (XtransConnInfo));
ListenTransFds = (int *) malloc (old_listen_count * sizeof (int));
ListenTransCount = 0;
for (i = 0; i < old_listen_count; i++)
{
char portnum[10];
if (old_listen[i].portnum != ListenPort)
continue; /* this should never happen */
else
sprintf (portnum, "%d", old_listen[i].portnum);
if ((ListenTransConns[ListenTransCount] =
_FontTransReopenCOTSServer (old_listen[i].trans_id,
old_listen[i].fd, portnum)) != NULL)
{
ListenTransFds[ListenTransCount] = old_listen[i].fd;
FD_SET (old_listen[i].fd, &WellKnownConnections);
NoticeF("reusing existing file descriptor %d\n",
old_listen[i].fd);
ListenTransCount++;
}
}
} else {
char port[20];
int partial;
sprintf (port, "%d", ListenPort);
if ((_FontTransMakeAllCOTSServerListeners (port, &partial,
&ListenTransCount, &ListenTransConns) >= 0) &&
(ListenTransCount >= 1))
{
ListenTransFds = (int *) malloc (ListenTransCount * sizeof (int));
for (i = 0; i < ListenTransCount; i++)
{
int fd = _FontTransGetConnectionNumber (ListenTransConns[i]);
ListenTransFds[i] = fd;
FD_SET (fd, &WellKnownConnections);
}
}
}
if (! XFD_ANYSET(&WellKnownConnections))
FatalError("cannot establish any listening sockets\n");
/* set up all the signal handlers */
signal(SIGPIPE, SIG_IGN);
signal(SIGHUP, AutoResetServer);
signal(SIGINT, GiveUp);
signal(SIGTERM, GiveUp);
signal(SIGUSR1, ServerReconfig);
signal(SIGUSR2, ServerCacheFlush);
signal(SIGCHLD, CleanupChild);
XFD_COPYSET (&WellKnownConnections, &AllSockets);
}
/*
* creates the sockets for listening to clients
*
* only called when server first started
*/
void
CreateSockets(int old_listen_count, OldListenRec *old_listen)
{
int i;
struct sigaction act;
FD_ZERO(&AllSockets);
FD_ZERO(&AllClients);
FD_ZERO(&LastSelectMask);
FD_ZERO(&ClientsWithInput);
FD_ZERO(&WellKnownConnections);
for (i = 0; i < MAXSOCKS; i++)
ConnectionTranslation[i] = 0;
lastfdesc = sysconf(_SC_OPEN_MAX) - 1;
if ((lastfdesc < 0) || (lastfdesc > MAXSOCKS)) {
lastfdesc = MAXSOCKS;
}
if (old_listen_count > 0) {
/*
* The font server cloned itself. Re-use previously opened
* transports for listening.
*/
ListenTransConns = (XtransConnInfo *) malloc (
old_listen_count * sizeof (XtransConnInfo));
ListenTransFds = (int *) malloc (old_listen_count * sizeof (int));
ListenTransCount = 0;
for (i = 0; i < old_listen_count; i++)
{
char portnum[10];
if (old_listen[i].portnum != ListenPort)
continue; /* this should never happen */
else
sprintf (portnum, "%d", old_listen[i].portnum);
if ((ListenTransConns[ListenTransCount] =
_FontTransReopenCOTSServer (old_listen[i].trans_id,
old_listen[i].fd, portnum)) != NULL)
{
ListenTransFds[ListenTransCount] = old_listen[i].fd;
FD_SET (old_listen[i].fd, &WellKnownConnections);
NoticeF("reusing existing file descriptor %d\n",
old_listen[i].fd);
ListenTransCount++;
}
}
} else {
char port[20];
int partial;
sprintf (port, "%d", ListenPort);
if ((_FontTransMakeAllCOTSServerListeners (port, &partial,
&ListenTransCount, &ListenTransConns) >= 0) &&
(ListenTransCount >= 1))
{
ListenTransFds = (int *) malloc (ListenTransCount * sizeof (int));
for (i = 0; i < ListenTransCount; i++)
{
int fd = _FontTransGetConnectionNumber (ListenTransConns[i]);
ListenTransFds[i] = fd;
FD_SET (fd, &WellKnownConnections);
}
}
}
if (! XFD_ANYSET(&WellKnownConnections))
FatalError("cannot establish any listening sockets\n");
/* set up all the signal handlers */
sigemptyset(&act.sa_mask);
act.sa_flags = SA_RESTART;
#define HANDLE_SIGNAL(s, h) act.sa_handler = h; sigaction(s, &act, NULL)
HANDLE_SIGNAL(SIGPIPE, SIG_IGN);
HANDLE_SIGNAL(SIGHUP, AutoResetServer);
HANDLE_SIGNAL(SIGINT, GiveUp);
HANDLE_SIGNAL(SIGTERM, GiveUp);
HANDLE_SIGNAL(SIGUSR1, ServerReconfig);
HANDLE_SIGNAL(SIGUSR2, ServerCacheFlush);
HANDLE_SIGNAL(SIGCHLD, CleanupChild);
XFD_COPYSET (&WellKnownConnections, &AllSockets);
}
