/* assumption: input limited; accept blocking on output */
static int master(void)
{
for (;; ) {
lsw_fd_set readfds;
int maxfd = PLUTO_QFD; /* approximate lower bound */
int ndes = 0;
struct worker_info *w;
LSW_FD_ZERO(&readfds);
if (!eof_from_pluto) {
LSW_FD_SET(PLUTO_QFD, &readfds);
ndes++;
}
for (w = wi; w != wi_roof; w++) {
if (w->busy) {
LSW_FD_SET(w->afd, &readfds);
ndes++;
if (maxfd < w->afd)
maxfd = w->afd;
}
}
if (ndes == 0)
return HES_OK; /* done! */
do
ndes =
lsw_select(maxfd + 1, &readfds, NULL, NULL,
NULL);
while (ndes == -1 && errno == EINTR);
if (ndes == -1) {
syslog(LOG_ERR, "select(2) error: %s",
strerror(errno));
exit(HES_IO_ERROR_SELECT);
} else if (ndes > 0) {
if (LSW_FD_ISSET(PLUTO_QFD, &readfds)) {
query();
ndes--;
}
for (w = wi; ndes > 0 && w != wi_roof; w++) {
if (w->busy &&
LSW_FD_ISSET(w->afd, &readfds)) {
answer(w);
ndes--;
}
}
}
}
}
void enumerate_crypto_helper_response_sockets(lsw_fd_set *readfds)
{
int cnt;
struct pluto_crypto_worker *w = pc_workers;
for (cnt = 0; cnt < pc_workers_cnt; cnt++, w++) {
if (!w->pcw_dead) {
passert(w->pcw_master_fd > 0);
LSW_FD_SET(w->pcw_master_fd, readfds);
}
}
}
