diff options
Diffstat (limited to 'avahi-core/query-sched.c')
| -rw-r--r-- | avahi-core/query-sched.c | 68 |
1 files changed, 34 insertions, 34 deletions
diff --git a/avahi-core/query-sched.c b/avahi-core/query-sched.c index 0319b02..5cad11b 100644 --- a/avahi-core/query-sched.c +++ b/avahi-core/query-sched.c @@ -2,17 +2,17 @@ /*** This file is part of avahi. - + avahi is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. - + avahi is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. - + You should have received a copy of the GNU Lesser General Public License along with avahi; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 @@ -40,10 +40,10 @@ typedef struct AvahiKnownAnswer AvahiKnownAnswer; struct AvahiQueryJob { unsigned id; int n_posted; - + AvahiQueryScheduler *scheduler; AvahiTimeEvent *time_event; - + int done; struct timeval delivery; @@ -56,7 +56,7 @@ struct AvahiQueryJob { * entries) most of the time, but this might be a wrong * assumption, especially on setups where traffic reflection is * involved. */ - + AVAHI_LLIST_FIELDS(AvahiQueryJob, jobs); }; @@ -80,7 +80,7 @@ struct AvahiQueryScheduler { static AvahiQueryJob* job_new(AvahiQueryScheduler *s, AvahiKey *key, int done) { AvahiQueryJob *qj; - + assert(s); assert(key); @@ -88,14 +88,14 @@ static AvahiQueryJob* job_new(AvahiQueryScheduler *s, AvahiKey *key, int done) { avahi_log_error(__FILE__": Out of memory"); return NULL; } - + qj->scheduler = s; qj->key = avahi_key_ref(key); qj->time_event = NULL; qj->n_posted = 1; qj->id = s->next_id++; - - if ((qj->done = done)) + + if ((qj->done = done)) AVAHI_LLIST_PREPEND(AvahiQueryJob, jobs, s->history, qj); else AVAHI_LLIST_PREPEND(AvahiQueryJob, jobs, s->jobs, qj); @@ -158,11 +158,11 @@ AvahiQueryScheduler *avahi_query_scheduler_new(AvahiInterface *i) { avahi_log_error(__FILE__": Out of memory"); return NULL; /* OOM */ } - + s->interface = i; s->time_event_queue = i->monitor->server->time_event_queue; s->next_id = 0; - + AVAHI_LLIST_HEAD_INIT(AvahiQueryJob, s->jobs); AVAHI_LLIST_HEAD_INIT(AvahiQueryJob, s->history); AVAHI_LLIST_HEAD_INIT(AvahiKnownAnswer, s->known_answers); @@ -180,7 +180,7 @@ void avahi_query_scheduler_free(AvahiQueryScheduler *s) { void avahi_query_scheduler_clear(AvahiQueryScheduler *s) { assert(s); - + while (s->jobs) job_free(s, s->jobs); while (s->history) @@ -190,7 +190,7 @@ void avahi_query_scheduler_clear(AvahiQueryScheduler *s) { static void* known_answer_walk_callback(AvahiCache *c, AvahiKey *pattern, AvahiCacheEntry *e, void* userdata) { AvahiQueryScheduler *s = userdata; AvahiKnownAnswer *ka; - + assert(c); assert(pattern); assert(e); @@ -198,12 +198,12 @@ static void* known_answer_walk_callback(AvahiCache *c, AvahiKey *pattern, AvahiC if (avahi_cache_entry_half_ttl(c, e)) return NULL; - + if (!(ka = avahi_new0(AvahiKnownAnswer, 1))) { avahi_log_error(__FILE__": Out of memory"); return NULL; } - + ka->scheduler = s; ka->record = avahi_record_ref(e->record); @@ -221,7 +221,7 @@ static int packet_add_query_job(AvahiQueryScheduler *s, AvahiDnsPacket *p, Avahi /* Add all matching known answers to the list */ avahi_cache_walk(s->interface->cache, qj->key, known_answer_walk_callback, s); - + job_mark_done(s, qj); return 1; @@ -234,7 +234,7 @@ static void append_known_answers_and_send(AvahiQueryScheduler *s, AvahiDnsPacket assert(p); n = 0; - + while ((ka = s->known_answers)) { int too_large = 0; @@ -266,7 +266,7 @@ static void append_known_answers_and_send(AvahiQueryScheduler *s, AvahiDnsPacket if (!too_large) n++; } - + avahi_dns_packet_set_field(p, AVAHI_DNS_FIELD_ANCOUNT, n); avahi_interface_send_packet(s->interface, p); avahi_dns_packet_free(p); @@ -289,10 +289,10 @@ static void elapse_callback(AVAHI_GCC_UNUSED AvahiTimeEvent *e, void* data) { } assert(!s->known_answers); - + if (!(p = avahi_dns_packet_new_query(s->interface->hardware->mtu))) return; /* OOM */ - + b = packet_add_query_job(s, p, qj); assert(b); /* An query must always fit in */ n = 1; @@ -320,7 +320,7 @@ static AvahiQueryJob* find_scheduled_job(AvahiQueryScheduler *s, AvahiKey *key) for (qj = s->jobs; qj; qj = qj->jobs_next) { assert(!qj->done); - + if (avahi_key_equal(qj->key, key)) return qj; } @@ -330,7 +330,7 @@ static AvahiQueryJob* find_scheduled_job(AvahiQueryScheduler *s, AvahiKey *key) static AvahiQueryJob* find_history_job(AvahiQueryScheduler *s, AvahiKey *key) { AvahiQueryJob *qj; - + assert(s); assert(key); @@ -345,7 +345,7 @@ static AvahiQueryJob* find_history_job(AvahiQueryScheduler *s, AvahiKey *key) { job_free(s, qj); return NULL; } - + return qj; } } @@ -356,13 +356,13 @@ static AvahiQueryJob* find_history_job(AvahiQueryScheduler *s, AvahiKey *key) { int avahi_query_scheduler_post(AvahiQueryScheduler *s, AvahiKey *key, int immediately, unsigned *ret_id) { struct timeval tv; AvahiQueryJob *qj; - + assert(s); assert(key); if ((qj = find_history_job(s, key))) return 0; - + avahi_elapse_time(&tv, immediately ? 0 : AVAHI_QUERY_DEFER_MSEC, 0); if ((qj = find_scheduled_job(s, key))) { @@ -376,25 +376,25 @@ int avahi_query_scheduler_post(AvahiQueryScheduler *s, AvahiKey *key, int immedi } qj->n_posted++; - + } else { if (!(qj = job_new(s, key, 0))) return 0; /* OOM */ - + qj->delivery = tv; qj->time_event = avahi_time_event_new(s->time_event_queue, &qj->delivery, elapse_callback, qj); } if (ret_id) *ret_id = qj->id; - + return 1; } void avahi_query_scheduler_incoming(AvahiQueryScheduler *s, AvahiKey *key) { AvahiQueryJob *qj; - + assert(s); assert(key); @@ -412,14 +412,14 @@ void avahi_query_scheduler_incoming(AvahiQueryScheduler *s, AvahiKey *key) { if (!(qj = find_history_job(s, key))) if (!(qj = job_new(s, key, 1))) return; /* OOM */ - + gettimeofday(&qj->delivery, NULL); job_set_elapse_time(s, qj, AVAHI_QUERY_HISTORY_MSEC, 0); } int avahi_query_scheduler_withdraw_by_id(AvahiQueryScheduler *s, unsigned id) { AvahiQueryJob *qj; - + assert(s); /* Very short lived queries can withdraw an already scheduled item @@ -428,7 +428,7 @@ int avahi_query_scheduler_withdraw_by_id(AvahiQueryScheduler *s, unsigned id) { for (qj = s->jobs; qj; qj = qj->jobs_next) { assert(!qj->done); - + if (qj->id == id) { /* Entry found */ @@ -441,7 +441,7 @@ int avahi_query_scheduler_withdraw_by_id(AvahiQueryScheduler *s, unsigned id) { * case since there should exist only one querier per * key, but there are exceptions, notably reflected * traffic.) */ - + job_free(s, qj); return 1; } |