diff options
Diffstat (limited to 'usr.sbin/smtpd/dns.c')
| -rw-r--r-- | usr.sbin/smtpd/dns.c | 67 |
1 files changed, 5 insertions, 62 deletions
diff --git a/usr.sbin/smtpd/dns.c b/usr.sbin/smtpd/dns.c index 49444787382..ba8432b81a8 100644 --- a/usr.sbin/smtpd/dns.c +++ b/usr.sbin/smtpd/dns.c @@ -1,4 +1,4 @@ -/* $OpenBSD: dns.c,v 1.74 2014/03/26 18:14:22 eric Exp $ */ +/* $OpenBSD: dns.c,v 1.75 2014/04/03 11:32:02 eric Exp $ */ /* * Copyright (c) 2008 Gilles Chehade <gilles@poolp.org> @@ -54,10 +54,6 @@ struct dns_session { int refcount; }; -struct async_event; -struct async_event * async_run_event(struct asr_query *, - void (*)(struct asr_result *, void *), void *); - static void dns_lookup_host(struct dns_session *, const char *, int); static void dns_dispatch_host(struct asr_result *, void *); static void dns_dispatch_ptr(struct asr_result *, void *); @@ -257,7 +253,7 @@ dns_imsg(struct mproc *p, struct imsg *imsg) m_end(&m); as = getnameinfo_async(sa, sa->sa_len, s->name, sizeof(s->name), NULL, 0, 0, NULL); - async_run_event(as, dns_dispatch_ptr, s); + event_asr_run(as, dns_dispatch_ptr, s); return; case IMSG_DNS_MX: @@ -294,7 +290,7 @@ dns_imsg(struct mproc *p, struct imsg *imsg) return; } - async_run_event(as, dns_dispatch_mx, s); + event_asr_run(as, dns_dispatch_mx, s); return; case IMSG_DNS_MX_PREFERENCE: @@ -316,7 +312,7 @@ dns_imsg(struct mproc *p, struct imsg *imsg) return; } - async_run_event(as, dns_dispatch_mx_preference, s); + event_asr_run(as, dns_dispatch_mx_preference, s); return; default: @@ -487,60 +483,7 @@ dns_lookup_host(struct dns_session *s, const char *host, int preference) hints.ai_family = PF_UNSPEC; hints.ai_socktype = SOCK_STREAM; as = getaddrinfo_async(host, NULL, &hints, NULL); - async_run_event(as, dns_dispatch_host, lookup); -} - -/* Generic libevent glue for asr */ - -struct async_event { - struct asr_query *async; - struct event ev; - void (*callback)(struct asr_result *, void *); - void *arg; -}; - -static void async_event_dispatch(int, short, void *); - -struct async_event * -async_run_event(struct asr_query * async, - void (*cb)(struct asr_result *, void *), void *arg) -{ - struct async_event *aev; - struct timeval tv; - - aev = calloc(1, sizeof *aev); - if (aev == NULL) - return (NULL); - aev->async = async; - aev->callback = cb; - aev->arg = arg; - tv.tv_sec = 0; - tv.tv_usec = 1; - evtimer_set(&aev->ev, async_event_dispatch, aev); - evtimer_add(&aev->ev, &tv); - return (aev); -} - -static void -async_event_dispatch(int fd, short ev, void *arg) -{ - struct async_event *aev = arg; - struct asr_result ar; - struct timeval tv; - - event_del(&aev->ev); - - if (asr_run(aev->async, &ar) == 0) { - event_set(&aev->ev, ar.ar_fd, - ar.ar_cond == ASR_WANT_READ ? EV_READ : EV_WRITE, - async_event_dispatch, aev); - tv.tv_sec = ar.ar_timeout / 1000; - tv.tv_usec = (ar.ar_timeout % 1000) * 1000; - event_add(&aev->ev, &tv); - } else { - aev->callback(&ar, aev->arg); - free(aev); - } + event_asr_run(as, dns_dispatch_host, lookup); } static char * |