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modules: use timer-queue in avahi-poll

Browse source 
Pass the pw_context to get to the shared queue and loop.
Patch up the users of avahi-poll.

Fixes #4913
This commit is contained in:
Wim Taymans 2025-09-26 13:39:49 +02:00
parent 678e571d80
commit fdc74df383
7 changed files with 49 additions and 41 deletions
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65
src/modules/module-zeroconf-discover/avahi-poll.c
View file

@ -8,7 +8,9 @@
struct impl {
AvahiPoll api;
struct pw_context *context;
struct pw_loop *loop;
struct pw_timer_queue *timer_queue;
};
struct AvahiWatch {
@ -22,7 +24,7 @@ struct AvahiWatch {
struct AvahiTimeout {
struct impl *impl;
struct spa_source *source;
struct pw_timer timer;
AvahiTimeoutCallback callback;
void *userdata;
};
@ -99,17 +101,40 @@ static void watch_free(AvahiWatch *w)
free(w);
}
static void timeout_callback(void *data, uint64_t expirations)
static void timeout_callback(void *data)
{
AvahiTimeout *w = data;
w->callback(w, w->userdata);
}
static int schedule_timeout(AvahiTimeout *t, const struct timeval *tv)
{
struct timeval now;
int64_t timeout_ns;
if (tv == NULL)
return 0;
/* Get current REALTIME (same clock domain as Avahi) */
if (gettimeofday(&now, NULL) < 0)
return -errno;
/* Calculate relative timeout: target - now */
timeout_ns = ((int64_t)tv->tv_sec - now.tv_sec) * SPA_NSEC_PER_SEC +
((int64_t)tv->tv_usec - now.tv_usec) * 1000UL;
/* Ensure minimum timeout */
if (timeout_ns <= 0)
timeout_ns = 1;
return pw_timer_queue_add(t->impl->timer_queue, &t->timer, NULL,
timeout_ns, timeout_callback, t);
}
static AvahiTimeout* timeout_new(const AvahiPoll *api, const struct timeval *tv,
AvahiTimeoutCallback callback, void *userdata)
{
struct impl *impl = api->userdata;
struct timespec value;
AvahiTimeout *w;
w = calloc(1, sizeof(*w));
@ -119,38 +144,27 @@ static AvahiTimeout* timeout_new(const AvahiPoll *api, const struct timeval *tv,
w->impl = impl;
w->callback = callback;
w->userdata = userdata;
w->source = pw_loop_add_timer(impl->loop, timeout_callback, w);
if (w->source == NULL) {
if (schedule_timeout(w, tv) < 0) {
free(w);
return NULL;
}
if (tv != NULL) {
value.tv_sec = tv->tv_sec;
value.tv_nsec = tv->tv_usec * 1000UL;
pw_loop_update_timer(impl->loop, w->source, &value, NULL, true);
}
return w;
}
static void timeout_update(AvahiTimeout *t, const struct timeval *tv)
{
struct impl *impl = t->impl;
struct timespec value, *v = NULL;
/* Cancel the existing timer */
pw_timer_queue_cancel(&t->timer);
if (tv != NULL) {
value.tv_sec = tv->tv_sec;
value.tv_nsec = tv->tv_usec * 1000UL;
if (value.tv_sec == 0 && value.tv_nsec == 0)
value.tv_nsec = 1;
v = &value;
}
pw_loop_update_timer(impl->loop, t->source, v, NULL, true);
/* Schedule new timeout if provided */
schedule_timeout(t, tv);
}
static void timeout_free(AvahiTimeout *t)
{
struct impl *impl = t->impl;
pw_loop_destroy_source(impl->loop, t->source);
pw_timer_queue_cancel(&t->timer);
free(t);
}
@ -164,7 +178,7 @@ static const AvahiPoll avahi_poll_api = {
.timeout_free = timeout_free,
};
AvahiPoll* pw_avahi_poll_new(struct pw_loop *loop)
AvahiPoll* pw_avahi_poll_new(struct pw_context *context)
{
struct impl *impl;
@ -172,7 +186,10 @@ AvahiPoll* pw_avahi_poll_new(struct pw_loop *loop)
if (impl == NULL)
return NULL;
impl->loop = loop;
impl->context = context;
impl->loop = pw_context_get_main_loop(context);
impl->timer_queue = pw_context_get_timer_queue(context);
impl->api = avahi_poll_api;
impl->api.userdata = impl;

4
src/modules/module-zeroconf-discover/avahi-poll.h
View file

@ -4,8 +4,8 @@
#include <avahi-client/client.h>
#include <pipewire/loop.h>
#include <pipewire/context.h>
AvahiPoll* pw_avahi_poll_new(struct pw_loop *loop);
AvahiPoll* pw_avahi_poll_new(struct pw_context *context);
void pw_avahi_poll_free(AvahiPoll *p);