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Merge branch 'master' into epoll

This commit is contained in:
Heikki Hannikainen 2012-10-12 22:22:08 +03:00
parent d839000ad7 2075079ba2
commit 477e1f0039
1 changed files with 31 additions and 0 deletions
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31
src/accept.c
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@ -692,6 +692,37 @@ static void do_accept(struct listen_t *l)
hlog(LOG_ERR, "%s - Accept: setsockopt(TCP_NODELAY, %d) failed: %s", l->addr_s, arg, strerror(errno));
#endif
/* Set up TCP keepalives, so that we'll notice idle clients.
* I'm not sure if this is absolutely required, since we send
* keepalive datetime messages every 30 seconds from the application,
* but it can't hurt.
*/
#ifdef SO_KEEPALIVE
int keepalive_arg;
#ifdef TCP_KEEPIDLE
/* start sending keepalives after socket has been idle for 10 minutes */
keepalive_arg = 10*60;
if (setsockopt(c->fd, IPPROTO_TCP, TCP_KEEPIDLE, (void *)&keepalive_arg, sizeof(keepalive_arg)))
hlog(LOG_ERR, "%s - Accept: setsockopt(TCP_KEEPIDLE, %d) failed: %s", l->addr_s, keepalive_arg, strerror(errno));
#endif
#ifdef TCP_KEEPINTVL
/* send keepalive probes every 20 seconds after the idle time has passed */
keepalive_arg = 20;
if (setsockopt(c->fd, IPPROTO_TCP, TCP_KEEPINTVL, (void *)&keepalive_arg, sizeof(keepalive_arg)))
hlog(LOG_ERR, "%s - Accept: setsockopt(TCP_KEEPINTVL, %d) failed: %s", l->addr_s, keepalive_arg, strerror(errno));
#endif
#ifdef TCP_KEEPCNT
/* send 3 probes before giving up */
keepalive_arg = 3;
if (setsockopt(c->fd, IPPROTO_TCP, TCP_KEEPCNT, (void *)&keepalive_arg, sizeof(keepalive_arg)))
hlog(LOG_ERR, "%s - Accept: setsockopt(TCP_KEEPCNT, %d) failed: %s", l->addr_s, keepalive_arg, strerror(errno));
#endif
/* enable TCP keepalives */
keepalive_arg = 1;
if (setsockopt(c->fd, SOL_SOCKET, SO_KEEPALIVE, (void *)&keepalive_arg, sizeof(keepalive_arg)))
hlog(LOG_ERR, "%s - Accept: setsockopt(TCP_KEEPALIVE, %d) failed: %s", l->addr_s, keepalive_arg, strerror(errno));
#endif
#if 1
/* Use simple round-robin on client feeding. Least clients is
* quite attractive idea, but when clients arrive at huge bursts