diff options
Diffstat (limited to 'avahi-core/response-sched.c')
| -rw-r--r-- | avahi-core/response-sched.c | 66 |
1 files changed, 33 insertions, 33 deletions
diff --git a/avahi-core/response-sched.c b/avahi-core/response-sched.c index b194ef3..74bb7b0 100644 --- a/avahi-core/response-sched.c +++ b/avahi-core/response-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 @@ -55,7 +55,7 @@ typedef enum { struct AvahiResponseJob { AvahiResponseScheduler *scheduler; AvahiTimeEvent *time_event; - + AvahiResponseJobState state; struct timeval delivery; @@ -63,7 +63,7 @@ struct AvahiResponseJob { int flush_cache; AvahiAddress querier; int querier_valid; - + AVAHI_LLIST_FIELDS(AvahiResponseJob, jobs); }; @@ -78,7 +78,7 @@ struct AvahiResponseScheduler { static AvahiResponseJob* job_new(AvahiResponseScheduler *s, AvahiRecord *record, AvahiResponseJobState state) { AvahiResponseJob *rj; - + assert(s); assert(record); @@ -86,14 +86,14 @@ static AvahiResponseJob* job_new(AvahiResponseScheduler *s, AvahiRecord *record, avahi_log_error(__FILE__": Out of memory"); return NULL; } - + rj->scheduler = s; rj->record = avahi_record_ref(record); rj->time_event = NULL; rj->flush_cache = 0; rj->querier_valid = 0; - - if ((rj->state = state) == AVAHI_SCHEDULED) + + if ((rj->state = state) == AVAHI_SCHEDULED) AVAHI_LLIST_PREPEND(AvahiResponseJob, jobs, s->jobs, rj); else if (rj->state == AVAHI_DONE) AVAHI_LLIST_PREPEND(AvahiResponseJob, jobs, s->history, rj); @@ -161,10 +161,10 @@ AvahiResponseScheduler *avahi_response_scheduler_new(AvahiInterface *i) { avahi_log_error(__FILE__": Out of memory"); return NULL; } - + s->interface = i; s->time_event_queue = i->monitor->server->time_event_queue; - + AVAHI_LLIST_HEAD_INIT(AvahiResponseJob, s->jobs); AVAHI_LLIST_HEAD_INIT(AvahiResponseJob, s->history); AVAHI_LLIST_HEAD_INIT(AvahiResponseJob, s->suppressed); @@ -181,7 +181,7 @@ void avahi_response_scheduler_free(AvahiResponseScheduler *s) { void avahi_response_scheduler_clear(AvahiResponseScheduler *s) { assert(s); - + while (s->jobs) job_free(s, s->jobs); while (s->history) @@ -192,7 +192,7 @@ void avahi_response_scheduler_clear(AvahiResponseScheduler *s) { static void enumerate_aux_records_callback(AVAHI_GCC_UNUSED AvahiServer *s, AvahiRecord *r, int flush_cache, void* userdata) { AvahiResponseJob *rj = userdata; - + assert(r); assert(rj); @@ -212,7 +212,7 @@ static int packet_add_response_job(AvahiResponseScheduler *s, AvahiDnsPacket *p, * auxilliary packets, too */ avahi_server_enumerate_aux_records(s->interface->monitor->server, s->interface, rj->record, enumerate_aux_records_callback, rj); job_mark_done(s, rj); - + return 1; } @@ -232,16 +232,16 @@ static void send_response_packet(AvahiResponseScheduler *s, AvahiResponseJob *rj /* Try to fill up packet with more responses, if available */ while (s->jobs) { - + if (!packet_add_response_job(s, p, s->jobs)) break; - + n++; } - + } else { size_t size; - + avahi_dns_packet_free(p); /* OK, the packet was too small, so create one that fits */ @@ -269,7 +269,7 @@ static void elapse_callback(AVAHI_GCC_UNUSED AvahiTimeEvent *e, void* data) { assert(rj); - if (rj->state == AVAHI_DONE || rj->state == AVAHI_SUPPRESSED) + if (rj->state == AVAHI_DONE || rj->state == AVAHI_SUPPRESSED) job_free(rj->scheduler, rj); /* Lets drop this entry */ else send_response_packet(rj->scheduler, rj); @@ -283,7 +283,7 @@ static AvahiResponseJob* find_scheduled_job(AvahiResponseScheduler *s, AvahiReco for (rj = s->jobs; rj; rj = rj->jobs_next) { assert(rj->state == AVAHI_SCHEDULED); - + if (avahi_record_equal_no_ttl(rj->record, record)) return rj; } @@ -293,7 +293,7 @@ static AvahiResponseJob* find_scheduled_job(AvahiResponseScheduler *s, AvahiReco static AvahiResponseJob* find_history_job(AvahiResponseScheduler *s, AvahiRecord *record) { AvahiResponseJob *rj; - + assert(s); assert(record); @@ -304,13 +304,13 @@ static AvahiResponseJob* find_history_job(AvahiResponseScheduler *s, AvahiRecord /* Check whether this entry is outdated */ /* avahi_log_debug("history age: %u", (unsigned) (avahi_age(&rj->delivery)/1000)); */ - + if (avahi_age(&rj->delivery)/1000 > AVAHI_RESPONSE_HISTORY_MSEC) { /* it is outdated, so let's remove it */ job_free(s, rj); return NULL; } - + return rj; } } @@ -320,7 +320,7 @@ static AvahiResponseJob* find_history_job(AvahiResponseScheduler *s, AvahiRecord static AvahiResponseJob* find_suppressed_job(AvahiResponseScheduler *s, AvahiRecord *record, const AvahiAddress *querier) { AvahiResponseJob *rj; - + assert(s); assert(record); assert(querier); @@ -328,7 +328,7 @@ static AvahiResponseJob* find_suppressed_job(AvahiResponseScheduler *s, AvahiRec for (rj = s->suppressed; rj; rj = rj->jobs_next) { assert(rj->state == AVAHI_SUPPRESSED); assert(rj->querier_valid); - + if (avahi_record_equal_no_ttl(rj->record, record) && avahi_address_cmp(&rj->querier, querier) == 0) { /* Check whether this entry is outdated */ @@ -350,7 +350,7 @@ int avahi_response_scheduler_post(AvahiResponseScheduler *s, AvahiRecord *record AvahiResponseJob *rj; struct timeval tv; /* char *t; */ - + assert(s); assert(record); @@ -385,7 +385,7 @@ int avahi_response_scheduler_post(AvahiResponseScheduler *s, AvahiRecord *record } avahi_elapse_time(&tv, immediately ? 0 : AVAHI_RESPONSE_DEFER_MSEC, immediately ? 0 : AVAHI_RESPONSE_JITTER_MSEC); - + if ((rj = find_scheduled_job(s, record))) { /* avahi_log_debug("Response suppressed by local duplicate suppression (scheduled)"); */ @@ -416,7 +416,7 @@ int avahi_response_scheduler_post(AvahiResponseScheduler *s, AvahiRecord *record /* Create a new job and schedule it */ if (!(rj = job_new(s, record, AVAHI_SCHEDULED))) return 0; /* OOM */ - + rj->delivery = tv; rj->time_event = avahi_time_event_new(s->time_event_queue, &rj->delivery, elapse_callback, rj); rj->flush_cache = flush_cache; @@ -435,7 +435,7 @@ void avahi_response_scheduler_incoming(AvahiResponseScheduler *s, AvahiRecord *r /* This function is called whenever an incoming response was * receieved. We drop scheduled responses which match here. The * keyword is "DUPLICATE ANSWER SUPPRESION". */ - + if ((rj = find_scheduled_job(s, record))) { if ((!rj->flush_cache || flush_cache) && /* flush cache bit was set correctly */ @@ -461,20 +461,20 @@ void avahi_response_scheduler_incoming(AvahiResponseScheduler *s, AvahiRecord *r rj->flush_cache = flush_cache; rj->querier_valid = 0; - + gettimeofday(&rj->delivery, NULL); job_set_elapse_time(s, rj, AVAHI_RESPONSE_HISTORY_MSEC, 0); } void avahi_response_scheduler_suppress(AvahiResponseScheduler *s, AvahiRecord *record, const AvahiAddress *querier) { AvahiResponseJob *rj; - + assert(s); assert(record); assert(querier); if ((rj = find_scheduled_job(s, record))) { - + if (rj->querier_valid && avahi_address_cmp(querier, &rj->querier) == 0 && /* same originator */ avahi_record_is_goodbye(record) == avahi_record_is_goodbye(rj->record) && /* both goodbye packets, or both not */ record->ttl >= rj->record->ttl/2) { /* sensible TTL */ @@ -490,7 +490,7 @@ void avahi_response_scheduler_suppress(AvahiResponseScheduler *s, AvahiRecord *r /* Let's update the old entry */ avahi_record_unref(rj->record); rj->record = avahi_record_ref(record); - + } else { /* Create a new entry */ |