void
svc_run()
{
fd_set readfds, cleanfds;
struct timeval timeout;
timeout.tv_sec = 30;
timeout.tv_usec = 0;
for (;;) {
rwlock_rdlock(&svc_fd_lock);
readfds = svc_fdset;
cleanfds = svc_fdset;
rwlock_unlock(&svc_fd_lock);
switch (_select(svc_maxfd+1, &readfds, NULL, NULL, &timeout)) {
case -1:
FD_ZERO(&readfds);
if (errno == EINTR) {
continue;
}
_warn("svc_run: - select failed");
return;
case 0:
__svc_clean_idle(&cleanfds, 30, FALSE);
continue;
default:
svc_getreqset(&readfds);
}
}
}
void
svc_run(void)
{
fd_set readfds, cleanfds;
struct timeval timeout;
int maxfd;
#ifndef RUMP_RPC
int probs = 0;
#endif
#ifdef _REENTRANT
extern rwlock_t svc_fd_lock;
#endif
timeout.tv_sec = 30;
timeout.tv_usec = 0;
for (;;) {
rwlock_rdlock(&svc_fd_lock);
readfds = *get_fdset();
cleanfds = *get_fdset();
maxfd = *get_fdsetmax();
rwlock_unlock(&svc_fd_lock);
switch (select(maxfd + 1, &readfds, NULL, NULL, &timeout)) {
case -1:
#ifndef RUMP_RPC
if ((errno == EINTR || errno == EBADF) && probs < 100) {
probs++;
continue;
}
#endif
if (errno == EINTR) {
continue;
}
warn("%s: select failed", __func__);
return;
case 0:
__svc_clean_idle(&cleanfds, 30, FALSE);
continue;
default:
svc_getreqset(&readfds);
#ifndef RUMP_RPC
probs = 0;
#endif
}
}
}
/*ARGSUSED*/
static bool_t
rendezvous_request(SVCXPRT *xprt, struct rpc_msg *msg)
{
int sock, flags;
struct cf_rendezvous *r;
struct cf_conn *cd;
struct sockaddr_storage addr;
socklen_t len;
struct __rpc_sockinfo si;
SVCXPRT *newxprt;
fd_set cleanfds;
assert(xprt != NULL);
assert(msg != NULL);
r = (struct cf_rendezvous *)xprt->xp_p1;
again:
len = sizeof addr;
if ((sock = _accept(xprt->xp_fd, (struct sockaddr *)(void *)&addr,
&len)) < 0) {
if (errno == EINTR)
goto again;
/*
* Clean out the most idle file descriptor when we're
* running out.
*/
if (errno == EMFILE || errno == ENFILE) {
cleanfds = svc_fdset;
__svc_clean_idle(&cleanfds, 0, FALSE);
goto again;
}
return (FALSE);
}
/*
* make a new transporter (re-uses xprt)
*/
newxprt = makefd_xprt(sock, r->sendsize, r->recvsize);
newxprt->xp_rtaddr.buf = mem_alloc(len);
if (newxprt->xp_rtaddr.buf == NULL)
return (FALSE);
memcpy(newxprt->xp_rtaddr.buf, &addr, len);
newxprt->xp_rtaddr.len = len;
#ifdef PORTMAP
if (addr.ss_family == AF_INET || addr.ss_family == AF_LOCAL) {
newxprt->xp_raddr = *(struct sockaddr_in *)newxprt->xp_rtaddr.buf;
newxprt->xp_addrlen = sizeof (struct sockaddr_in);
}
#endif /* PORTMAP */
if (__rpc_fd2sockinfo(sock, &si) && si.si_proto == IPPROTO_TCP) {
len = 1;
/* XXX fvdl - is this useful? */
_setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, &len, sizeof (len));
}
cd = (struct cf_conn *)newxprt->xp_p1;
cd->recvsize = r->recvsize;
cd->sendsize = r->sendsize;
cd->maxrec = r->maxrec;
if (cd->maxrec != 0) {
flags = _fcntl(sock, F_GETFL, 0);
if (flags == -1)
return (FALSE);
if (_fcntl(sock, F_SETFL, flags | O_NONBLOCK) == -1)
return (FALSE);
if (cd->recvsize > cd->maxrec)
cd->recvsize = cd->maxrec;
cd->nonblock = TRUE;
__xdrrec_setnonblock(&cd->xdrs, cd->maxrec);
} else
cd->nonblock = FALSE;
gettimeofday(&cd->last_recv_time, NULL);
return (FALSE); /* there is never an rpc msg to be processed */
}
