mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-10-29 05:40:27 -04:00
zeroconf: add avahi zerconf discover module
Discovers remote sinks and sources and load the tunnel module to make a local sink and source for them.
This commit is contained in:
Wim Taymans
parent
59842b3bd6
commit
6744934734
6 changed files with 717 additions and 0 deletions
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@ -311,6 +311,7 @@ sdl_dep = dependency('sdl2', required : get_option('sdl2'))
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ncurses_dep = dependency('ncursesw', required : false)
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ncurses_dep = dependency('ncursesw', required : false)
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sndfile_dep = dependency('sndfile', version : '>= 1.0.20', required : get_option('sndfile'))
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sndfile_dep = dependency('sndfile', version : '>= 1.0.20', required : get_option('sndfile'))
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pulseaudio_dep = dependency('libpulse', required : get_option('libpulse'))
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pulseaudio_dep = dependency('libpulse', required : get_option('libpulse'))
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avahi_dep = dependency('avahi-client', required : get_option('avahi'))
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gst_option = get_option('gstreamer')
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gst_option = get_option('gstreamer')
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gst_deps_def = {
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gst_deps_def = {
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@ -187,3 +187,7 @@ option('libpulse',
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description: 'Enable code that depends on libpulse',
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description: 'Enable code that depends on libpulse',
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type: 'feature',
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type: 'feature',
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value: 'auto')
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value: 'auto')
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option('avahi',
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description: 'Enable code that depends on avahi',
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type: 'feature',
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value: 'auto')
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@ -265,3 +265,16 @@ pipewire_module_session_manager = shared_library('pipewire-module-session-manage
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install_rpath: modules_install_dir,
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install_rpath: modules_install_dir,
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dependencies : [mathlib, dl_lib, pipewire_dep],
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dependencies : [mathlib, dl_lib, pipewire_dep],
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)
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)
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if avahi_dep.found()
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pipewire_module_zeroconf_discover = shared_library('pipewire-module-zeroconf-discover',
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[ 'module-zeroconf-discover.c',
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'module-zeroconf-discover/avahi-poll.c' ],
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c_args : pipewire_module_c_args,
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include_directories : [configinc, spa_inc],
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install : true,
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install_dir : modules_install_dir,
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install_rpath: modules_install_dir,
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dependencies : [mathlib, dl_lib, rt_lib, pipewire_dep, avahi_dep],
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)
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endif
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477
src/modules/module-zeroconf-discover.c
Normal file
477
src/modules/module-zeroconf-discover.c
Normal file
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@ -0,0 +1,477 @@
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/* PipeWire
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*
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* Copyright © 2021 Wim Taymans
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include <string.h>
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#include <stdio.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include "config.h"
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#include <spa/utils/result.h>
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#include <spa/utils/json.h>
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#include <pipewire/impl.h>
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#include <pipewire/private.h>
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#include <pipewire/i18n.h>
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#include <avahi-client/lookup.h>
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#include <avahi-common/error.h>
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#include <avahi-common/malloc.h>
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#include "module-zeroconf-discover/avahi-poll.h"
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#define NAME "zeroconf-discover"
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#define MODULE_USAGE " "
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static const struct spa_dict_item module_props[] = {
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{ PW_KEY_MODULE_AUTHOR, "Wim Taymans <wim.taymans@gmail.com>" },
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{ PW_KEY_MODULE_DESCRIPTION, "Discover remote streams" },
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{ PW_KEY_MODULE_USAGE, MODULE_USAGE },
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{ PW_KEY_MODULE_VERSION, PACKAGE_VERSION },
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};
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#define SERVICE_TYPE_SINK "_pulse-sink._tcp"
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#define SERVICE_TYPE_SOURCE "_non-monitor._sub._pulse-source._tcp"
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struct impl {
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struct pw_context *context;
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struct pw_impl_module *module;
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struct spa_hook module_listener;
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struct pw_work_queue *work;
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struct pw_properties *properties;
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AvahiPoll *avahi_poll;
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AvahiClient *client;
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AvahiServiceBrowser *sink_browser;
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AvahiServiceBrowser *source_browser;
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struct spa_list tunnel_list;
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unsigned int unloading:1;
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};
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struct tunnel_info {
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AvahiIfIndex interface;
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AvahiProtocol protocol;
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const char *name;
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const char *type;
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const char *domain;
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};
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#define TUNNEL_INFO(...) (struct tunnel_info){ __VA_ARGS__ }
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struct tunnel {
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struct spa_list link;
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struct tunnel_info info;
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struct pw_impl_module *module;
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struct spa_hook module_listener;
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};
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static int start_client(struct impl *impl);
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static void do_unload_module(void *obj, void *data, int res, uint32_t id)
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{
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struct impl *impl = data;
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pw_impl_module_destroy(impl->module);
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}
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static void unload_module(struct impl *impl)
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{
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if (!impl->unloading) {
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impl->unloading = true;
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pw_work_queue_add(impl->work, impl, 0, do_unload_module, impl);
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}
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}
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static void module_destroy(void *data)
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{
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struct impl *impl = data;
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spa_hook_remove(&impl->module_listener);
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if (impl->properties)
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pw_properties_free(impl->properties);
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free(impl);
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}
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static const struct pw_impl_module_events module_events = {
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PW_VERSION_IMPL_MODULE_EVENTS,
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.destroy = module_destroy,
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};
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static struct tunnel *make_tunnel(struct impl *impl, const struct tunnel_info *info)
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{
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struct tunnel *t;
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t = calloc(1, sizeof(*t));
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if (t == NULL)
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return NULL;
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t->info.interface = info->interface;
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t->info.protocol = info->protocol;
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t->info.name = strdup(info->name);
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t->info.type = strdup(info->type);
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t->info.domain = strdup(info->domain);
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spa_list_append(&impl->tunnel_list, &t->link);
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return t;
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}
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static struct tunnel *find_tunnel(struct impl *impl, const struct tunnel_info *info)
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{
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struct tunnel *t;
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spa_list_for_each(t, &impl->tunnel_list, link) {
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if (t->info.interface == info->interface &&
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t->info.protocol == info->protocol &&
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strcmp(t->info.name, info->name) == 0 &&
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strcmp(t->info.type, info->type) == 0 &&
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strcmp(t->info.domain, info->domain) == 0)
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return t;
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}
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return NULL;
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}
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static void free_tunnel(struct tunnel *t)
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{
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spa_list_remove(&t->link);
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if (t->module)
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pw_impl_module_destroy(t->module);
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free((char*)t->info.name);
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free((char*)t->info.type);
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free((char*)t->info.domain);
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free(t);
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}
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static void serialize_dict(FILE *f, const struct spa_dict *dict)
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{
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const struct spa_dict_item *it;
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spa_dict_for_each(it, dict) {
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size_t len = it->value ? strlen(it->value) : 0;
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fprintf(f, " \"%s\" = ", it->key);
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if (it->value == NULL) {
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fprintf(f, "null");
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} else if (spa_json_is_null(it->value, len) ||
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spa_json_is_float(it->value, len) ||
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spa_json_is_bool(it->value, len) ||
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spa_json_is_container(it->value, len)) {
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fprintf(f, "%s", it->value);
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} else {
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size_t size = (len+1) * 4;
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char str[size];
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spa_json_encode_string(str, size, it->value);
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fprintf(f, "%s", str);
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}
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}
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}
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static void resolver_cb(AvahiServiceResolver *r, AvahiIfIndex interface, AvahiProtocol protocol,
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AvahiResolverEvent event, const char *name, const char *type, const char *domain,
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const char *host_name, const AvahiAddress *a, uint16_t port, AvahiStringList *txt,
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AvahiLookupResultFlags flags, void *userdata)
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{
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struct impl *impl = userdata;
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struct tunnel *t;
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struct tunnel_info tinfo;
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const char *str, *device;
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char if_suffix[16] = "";
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char at[AVAHI_ADDRESS_STR_MAX];
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AvahiStringList *l;
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FILE *f;
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char *args;
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size_t size;
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struct pw_impl_module *mod;
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struct pw_properties *props = NULL;
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if (event != AVAHI_RESOLVER_FOUND) {
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pw_log_error("Resolving of '%s' failed: %s", name,
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avahi_strerror(avahi_client_errno(impl->client)));
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return;
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}
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props = pw_properties_new(NULL, NULL);
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if (props == NULL) {
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pw_log_error("Can't allocate properties: %m");
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return;
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}
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tinfo = TUNNEL_INFO(.interface = interface,
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.protocol = protocol,
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.name = name,
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.type = type,
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.domain = domain);
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for (l = txt; l; l = l->next) {
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char *key, *value;
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if (avahi_string_list_get_pair(l, &key, &value, NULL) != 0)
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break;
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if (strcmp(key, "device") == 0) {
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pw_properties_set(props, "node.target", value);
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}
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else if (strcmp(key, "rate") == 0) {
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pw_properties_setf(props, "audio.rate", "%u", atoi(value));
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}
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else if (strcmp(key, "channels") == 0) {
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pw_properties_setf(props, "audio.channels", "%u", atoi(value));
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}
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else if (strcmp(key, "format") == 0) {
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pw_properties_set(props, "audio.format", value);
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}
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else if (strcmp(key, "icon-name") == 0) {
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pw_properties_set(props, "device.icon-name", value);
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}
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else if (strcmp(key, "channel_map") == 0) {
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}
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avahi_free(key);
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avahi_free(value);
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}
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if ((device = pw_properties_get(props, "node.target")) != NULL)
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pw_properties_setf(props, "node.name",
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"tunnel.%s.%s", host_name, device);
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else
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pw_properties_setf(props, "node.name",
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"tunnel.%s", host_name);
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str = strstr(type, "sink") ? "playback" : "capture";
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pw_properties_set(props, "tunnel.mode", str);
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if (a->proto == AVAHI_PROTO_INET6 &&
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a->data.ipv6.address[0] == 0xfe &&
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(a->data.ipv6.address[1] & 0xc0) == 0x80)
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snprintf(if_suffix, sizeof(if_suffix), "%%%d", interface);
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pw_properties_setf(props, "pulse.server.address", "[%s%s]:%u",
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avahi_address_snprint(at, sizeof(at), a),
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if_suffix, port);
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if ((str = pw_properties_get(props, "pulse.server.address")) != NULL)
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pw_properties_setf(props, "node.description",
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_("Tunnel to %s/%s"), str, device);
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f = open_memstream(&args, &size);
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fprintf(f, "{");
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serialize_dict(f, &props->dict);
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fprintf(f, " stream.props = {");
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fprintf(f, " }");
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fprintf(f, "}");
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fclose(f);
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pw_properties_free(props);
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mod = pw_context_load_module(impl->context,
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"libpipewire-module-pulse-tunnel",
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args, NULL);
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free(args);
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if (mod == NULL) {
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pw_log_error("Can't load module: %m");
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return;
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}
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t = make_tunnel(impl, &tinfo);
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if (t == NULL)
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return;
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t->module = mod;
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}
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static void browser_cb(AvahiServiceBrowser *b, AvahiIfIndex interface, AvahiProtocol protocol,
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AvahiBrowserEvent event, const char *name, const char *type, const char *domain,
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AvahiLookupResultFlags flags, void *userdata)
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{
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struct impl *impl = userdata;
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struct tunnel_info info;
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struct tunnel *t;
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if (flags & AVAHI_LOOKUP_RESULT_LOCAL)
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return;
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info = TUNNEL_INFO(.interface = interface,
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.protocol = protocol,
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.name = name,
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.type = type,
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.domain = domain);
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t = find_tunnel(impl, &info);
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switch (event) {
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case AVAHI_BROWSER_NEW:
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if (t != NULL)
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return;
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if (!(avahi_service_resolver_new(impl->client,
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interface, protocol,
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|
name, type, domain,
|
||||||
|
AVAHI_PROTO_UNSPEC, 0,
|
||||||
|
resolver_cb, impl)))
|
||||||
|
pw_log_error("can't make service resolver: %s",
|
||||||
|
avahi_strerror(avahi_client_errno(impl->client)));
|
||||||
|
break;
|
||||||
|
case AVAHI_BROWSER_REMOVE:
|
||||||
|
if (t == NULL)
|
||||||
|
return;
|
||||||
|
free_tunnel(t);
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
static struct AvahiServiceBrowser *make_browser(struct impl *impl, const char *service_type)
|
||||||
|
{
|
||||||
|
struct AvahiServiceBrowser *s;
|
||||||
|
|
||||||
|
s = avahi_service_browser_new(impl->client,
|
||||||
|
AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC,
|
||||||
|
service_type, NULL, 0,
|
||||||
|
browser_cb, impl);
|
||||||
|
if (s == NULL) {
|
||||||
|
pw_log_error("can't make browser for %s: %s", service_type,
|
||||||
|
avahi_strerror(avahi_client_errno(impl->client)));
|
||||||
|
}
|
||||||
|
return s;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void client_callback(AvahiClient *c, AvahiClientState state, void *userdata)
|
||||||
|
{
|
||||||
|
struct impl *impl = userdata;
|
||||||
|
|
||||||
|
impl->client = c;
|
||||||
|
|
||||||
|
switch (state) {
|
||||||
|
case AVAHI_CLIENT_S_REGISTERING:
|
||||||
|
case AVAHI_CLIENT_S_RUNNING:
|
||||||
|
case AVAHI_CLIENT_S_COLLISION:
|
||||||
|
if (impl->sink_browser == NULL)
|
||||||
|
impl->sink_browser = make_browser(impl, SERVICE_TYPE_SINK);
|
||||||
|
if (impl->sink_browser == NULL)
|
||||||
|
goto error;
|
||||||
|
|
||||||
|
if (impl->source_browser == NULL)
|
||||||
|
impl->source_browser = make_browser(impl, SERVICE_TYPE_SOURCE);
|
||||||
|
if (impl->source_browser == NULL)
|
||||||
|
goto error;
|
||||||
|
|
||||||
|
break;
|
||||||
|
case AVAHI_CLIENT_FAILURE:
|
||||||
|
if (avahi_client_errno(c) == AVAHI_ERR_DISCONNECTED)
|
||||||
|
start_client(impl);
|
||||||
|
|
||||||
|
SPA_FALLTHROUGH;
|
||||||
|
case AVAHI_CLIENT_CONNECTING:
|
||||||
|
if (impl->sink_browser) {
|
||||||
|
avahi_service_browser_free(impl->sink_browser);
|
||||||
|
impl->sink_browser = NULL;
|
||||||
|
}
|
||||||
|
if (impl->source_browser) {
|
||||||
|
avahi_service_browser_free(impl->source_browser);
|
||||||
|
impl->source_browser = NULL;
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
return;
|
||||||
|
error:
|
||||||
|
unload_module(impl);
|
||||||
|
}
|
||||||
|
|
||||||
|
static int start_client(struct impl *impl)
|
||||||
|
{
|
||||||
|
int res;
|
||||||
|
if ((impl->client = avahi_client_new(impl->avahi_poll,
|
||||||
|
AVAHI_CLIENT_NO_FAIL,
|
||||||
|
client_callback, impl,
|
||||||
|
&res)) == NULL) {
|
||||||
|
pw_log_error("can't create client: %s", avahi_strerror(res));
|
||||||
|
unload_module(impl);
|
||||||
|
return -EIO;
|
||||||
|
}
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int start_avahi(struct impl *impl)
|
||||||
|
{
|
||||||
|
struct pw_loop *loop;
|
||||||
|
|
||||||
|
loop = pw_context_get_main_loop(impl->context);
|
||||||
|
impl->avahi_poll = pw_avahi_poll_new(loop);
|
||||||
|
|
||||||
|
return start_client(impl);;
|
||||||
|
}
|
||||||
|
|
||||||
|
SPA_EXPORT
|
||||||
|
int pipewire__module_init(struct pw_impl_module *module, const char *args)
|
||||||
|
{
|
||||||
|
struct pw_context *context = pw_impl_module_get_context(module);
|
||||||
|
struct pw_properties *props;
|
||||||
|
struct impl *impl;
|
||||||
|
int res;
|
||||||
|
|
||||||
|
impl = calloc(1, sizeof(struct impl));
|
||||||
|
if (impl == NULL)
|
||||||
|
goto error_errno;
|
||||||
|
|
||||||
|
pw_log_debug("module %p: new %s", impl, args);
|
||||||
|
|
||||||
|
if (args)
|
||||||
|
args = "";
|
||||||
|
|
||||||
|
props = pw_properties_new_string(args);
|
||||||
|
if (props == NULL)
|
||||||
|
goto error_errno;
|
||||||
|
|
||||||
|
spa_list_init(&impl->tunnel_list);
|
||||||
|
|
||||||
|
impl->module = module;
|
||||||
|
impl->context = context;
|
||||||
|
impl->work = pw_context_get_work_queue(context);
|
||||||
|
impl->properties = props;
|
||||||
|
|
||||||
|
pw_impl_module_add_listener(module, &impl->module_listener, &module_events, impl);
|
||||||
|
|
||||||
|
pw_impl_module_update_properties(module, &SPA_DICT_INIT_ARRAY(module_props));
|
||||||
|
|
||||||
|
start_avahi(impl);
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
error_errno:
|
||||||
|
res = -errno;
|
||||||
|
free(impl);
|
||||||
|
return res;
|
||||||
|
}
|
||||||
191
src/modules/module-zeroconf-discover/avahi-poll.c
Normal file
191
src/modules/module-zeroconf-discover/avahi-poll.c
Normal file
|
|
@ -0,0 +1,191 @@
|
||||||
|
/* PipeWire
|
||||||
|
*
|
||||||
|
* Copyright © 2021 Wim Taymans
|
||||||
|
*
|
||||||
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
||||||
|
* copy of this software and associated documentation files (the "Software"),
|
||||||
|
* to deal in the Software without restriction, including without limitation
|
||||||
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
||||||
|
* and/or sell copies of the Software, and to permit persons to whom the
|
||||||
|
* Software is furnished to do so, subject to the following conditions:
|
||||||
|
*
|
||||||
|
* The above copyright notice and this permission notice (including the next
|
||||||
|
* paragraph) shall be included in all copies or substantial portions of the
|
||||||
|
* Software.
|
||||||
|
*
|
||||||
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||||
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||||
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
||||||
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||||
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
||||||
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
||||||
|
* DEALINGS IN THE SOFTWARE.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include <pipewire/pipewire.h>
|
||||||
|
|
||||||
|
#include "avahi-poll.h"
|
||||||
|
|
||||||
|
struct impl {
|
||||||
|
AvahiPoll api;
|
||||||
|
struct pw_loop *loop;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct AvahiWatch {
|
||||||
|
struct impl *impl;
|
||||||
|
struct spa_source *source;
|
||||||
|
AvahiWatchEvent events;
|
||||||
|
AvahiWatchCallback callback;
|
||||||
|
void *userdata;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct AvahiTimeout {
|
||||||
|
struct impl *impl;
|
||||||
|
struct spa_source *source;
|
||||||
|
AvahiTimeoutCallback callback;
|
||||||
|
void *userdata;
|
||||||
|
};
|
||||||
|
|
||||||
|
static AvahiWatchEvent from_pw_events(uint32_t mask)
|
||||||
|
{
|
||||||
|
return (mask & SPA_IO_IN ? AVAHI_WATCH_IN : 0) |
|
||||||
|
(mask & SPA_IO_OUT ? AVAHI_WATCH_OUT : 0) |
|
||||||
|
(mask & SPA_IO_ERR ? AVAHI_WATCH_ERR : 0) |
|
||||||
|
(mask & SPA_IO_HUP ? AVAHI_WATCH_HUP : 0);
|
||||||
|
}
|
||||||
|
|
||||||
|
static uint32_t to_pw_events(AvahiWatchEvent e) {
|
||||||
|
return (e & AVAHI_WATCH_IN ? SPA_IO_IN : 0) |
|
||||||
|
(e & AVAHI_WATCH_OUT ? SPA_IO_OUT : 0) |
|
||||||
|
(e & AVAHI_WATCH_ERR ? SPA_IO_ERR : 0) |
|
||||||
|
(e & AVAHI_WATCH_HUP ? SPA_IO_HUP : 0);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void watch_callback(void *data, int fd, uint32_t mask)
|
||||||
|
{
|
||||||
|
AvahiWatch *w = data;
|
||||||
|
|
||||||
|
w->events = from_pw_events(mask);
|
||||||
|
w->callback(w, fd, w->events, w->userdata);
|
||||||
|
w->events = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static AvahiWatch* watch_new(const AvahiPoll *api, int fd, AvahiWatchEvent event,
|
||||||
|
AvahiWatchCallback callback, void *userdata)
|
||||||
|
{
|
||||||
|
struct impl *impl = api->userdata;
|
||||||
|
AvahiWatch *w;
|
||||||
|
|
||||||
|
w = calloc(1, sizeof(*w));
|
||||||
|
if (w == NULL)
|
||||||
|
return NULL;
|
||||||
|
|
||||||
|
w->impl = impl;
|
||||||
|
w->events = 0;
|
||||||
|
w->callback = callback;
|
||||||
|
w->userdata = userdata;
|
||||||
|
w->source = pw_loop_add_io(impl->loop, fd, to_pw_events(event),
|
||||||
|
false, watch_callback, w);
|
||||||
|
|
||||||
|
return w;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void watch_update(AvahiWatch *w, AvahiWatchEvent event)
|
||||||
|
{
|
||||||
|
struct impl *impl = w->impl;
|
||||||
|
pw_loop_update_io(impl->loop, w->source, to_pw_events(event));
|
||||||
|
}
|
||||||
|
|
||||||
|
static AvahiWatchEvent watch_get_events(AvahiWatch *w)
|
||||||
|
{
|
||||||
|
return w->events;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void watch_free(AvahiWatch *w)
|
||||||
|
{
|
||||||
|
struct impl *impl = w->impl;
|
||||||
|
pw_loop_destroy_source(impl->loop, w->source);
|
||||||
|
free(w);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void timeout_callback(void *data, uint64_t expirations)
|
||||||
|
{
|
||||||
|
AvahiTimeout *w = data;
|
||||||
|
w->callback(w, w->userdata);
|
||||||
|
}
|
||||||
|
|
||||||
|
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));
|
||||||
|
if (w == NULL)
|
||||||
|
return NULL;
|
||||||
|
|
||||||
|
w->impl = impl;
|
||||||
|
w->callback = callback;
|
||||||
|
w->userdata = userdata;
|
||||||
|
w->source = pw_loop_add_timer(impl->loop, timeout_callback, w);
|
||||||
|
|
||||||
|
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;
|
||||||
|
|
||||||
|
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);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void timeout_free(AvahiTimeout *t)
|
||||||
|
{
|
||||||
|
struct impl *impl = t->impl;
|
||||||
|
pw_loop_destroy_source(impl->loop, t->source);
|
||||||
|
free(t);
|
||||||
|
}
|
||||||
|
|
||||||
|
static const AvahiPoll avahi_poll_api = {
|
||||||
|
.watch_new = watch_new,
|
||||||
|
.watch_update = watch_update,
|
||||||
|
.watch_get_events = watch_get_events,
|
||||||
|
.watch_free = watch_free,
|
||||||
|
.timeout_new = timeout_new,
|
||||||
|
.timeout_update = timeout_update,
|
||||||
|
.timeout_free = timeout_free,
|
||||||
|
};
|
||||||
|
|
||||||
|
AvahiPoll* pw_avahi_poll_new(struct pw_loop *loop)
|
||||||
|
{
|
||||||
|
struct impl *impl;
|
||||||
|
|
||||||
|
impl = calloc(1, sizeof(*impl));
|
||||||
|
if (impl == NULL)
|
||||||
|
return NULL;
|
||||||
|
|
||||||
|
impl->loop = loop;
|
||||||
|
impl->api = avahi_poll_api;
|
||||||
|
impl->api.userdata = impl;
|
||||||
|
|
||||||
|
return &impl->api;
|
||||||
|
}
|
||||||
|
|
||||||
|
void pw_avahi_poll_free(AvahiPoll *p)
|
||||||
|
{
|
||||||
|
free(p);
|
||||||
|
}
|
||||||
31
src/modules/module-zeroconf-discover/avahi-poll.h
Normal file
31
src/modules/module-zeroconf-discover/avahi-poll.h
Normal file
|
|
@ -0,0 +1,31 @@
|
||||||
|
/* PipeWire
|
||||||
|
*
|
||||||
|
* Copyright © 2021 Wim Taymans
|
||||||
|
*
|
||||||
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
||||||
|
* copy of this software and associated documentation files (the "Software"),
|
||||||
|
* to deal in the Software without restriction, including without limitation
|
||||||
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
||||||
|
* and/or sell copies of the Software, and to permit persons to whom the
|
||||||
|
* Software is furnished to do so, subject to the following conditions:
|
||||||
|
*
|
||||||
|
* The above copyright notice and this permission notice (including the next
|
||||||
|
* paragraph) shall be included in all copies or substantial portions of the
|
||||||
|
* Software.
|
||||||
|
*
|
||||||
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||||
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||||
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
||||||
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||||
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
||||||
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
||||||
|
* DEALINGS IN THE SOFTWARE.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include <avahi-client/client.h>
|
||||||
|
|
||||||
|
#include <pipewire/loop.h>
|
||||||
|
|
||||||
|
AvahiPoll* pw_avahi_poll_new(struct pw_loop *loop);
|
||||||
|
|
||||||
|
void pw_avahi_poll_free(AvahiPoll *p);
|
||||||
Loading…
Add table
Add a link
Reference in a new issue