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publish dns-sd subtypes to allow distinction of virtual, hardware and monitor sinks/source

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1982 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2007-10-29 20:03:07 +00:00
parent 9ca7ed1958
commit 9f446590e3
1 changed files with 65 additions and 7 deletions
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72
src/modules/module-zeroconf-publish.c
View file

@ -60,21 +60,35 @@ PA_MODULE_USAGE("port=<IP port number>")
#define SERVICE_TYPE_SINK "_pulse-sink._tcp"
#define SERVICE_TYPE_SOURCE "_pulse-source._tcp"
#define SERVICE_TYPE_SERVER "_pulse-server._tcp"
#define SERVICE_SUBTYPE_SINK_HARDWARE "_hardware._sub."SERVICE_TYPE_SINK
#define SERVICE_SUBTYPE_SINK_VIRTUAL "_virtual._sub."SERVICE_TYPE_SINK
#define SERVICE_SUBTYPE_SOURCE_HARDWARE "_hardware._sub."SERVICE_TYPE_SOURCE
#define SERVICE_SUBTYPE_SOURCE_VIRTUAL "_virtual._sub."SERVICE_TYPE_SOURCE
#define SERVICE_SUBTYPE_SOURCE_MONITOR "_monitor._sub."SERVICE_TYPE_SOURCE
#define SERVICE_SUBTYPE_SOURCE_NON_MONITOR "_non-monitor._sub."SERVICE_TYPE_SOURCE
static const char* const valid_modargs[] = {
"port",
NULL
};
enum service_subtype {
SUBTYPE_HARDWARE,
SUBTYPE_VIRTUAL,
SUBTYPE_MONITOR
};
struct service {
struct userdata *userdata;
AvahiEntryGroup *entry_group;
char *service_name;
pa_object *device;
enum service_subtype subtype;
};
struct userdata {
pa_core *core;
pa_module *module;
AvahiPoll *avahi_poll;
AvahiClient *client;
@ -88,10 +102,11 @@ struct userdata {
pa_hook_slot *sink_new_slot, *source_new_slot, *sink_unlink_slot, *source_unlink_slot, *sink_changed_slot, *source_changed_slot;
};
static void get_service_data(struct service *s, pa_sample_spec *ret_ss, pa_channel_map *ret_map, const char **ret_name, const char **ret_description) {
static void get_service_data(struct service *s, pa_sample_spec *ret_ss, pa_channel_map *ret_map, const char **ret_name, const char **ret_description, enum service_subtype *ret_subtype) {
pa_assert(s);
pa_assert(ret_ss);
pa_assert(ret_description);
pa_assert(ret_subtype);
if (pa_sink_isinstance(s->device)) {
pa_sink *sink = PA_SINK(s->device);
@ -100,6 +115,7 @@ static void get_service_data(struct service *s, pa_sample_spec *ret_ss, pa_chann
*ret_map = sink->channel_map;
*ret_name = sink->name;
*ret_description = sink->description;
*ret_subtype = sink->flags & PA_SINK_HARDWARE ? SUBTYPE_HARDWARE : SUBTYPE_VIRTUAL;
} else if (pa_source_isinstance(s->device)) {
pa_source *source = PA_SOURCE(s->device);
@ -108,6 +124,8 @@ static void get_service_data(struct service *s, pa_sample_spec *ret_ss, pa_chann
*ret_map = source->channel_map;
*ret_name = source->name;
*ret_description = source->description;
*ret_subtype = source->monitor_of ? SUBTYPE_MONITOR : (source->flags & PA_SOURCE_HARDWARE ? SUBTYPE_HARDWARE : SUBTYPE_VIRTUAL);
} else
pa_assert_not_reached();
}
@ -174,6 +192,13 @@ static int publish_service(struct service *s) {
pa_sample_spec ss;
pa_channel_map map;
char cm[PA_CHANNEL_MAP_SNPRINT_MAX];
enum service_subtype subtype;
const char * const subtype_text[] = {
[SUBTYPE_HARDWARE] = "hardware",
[SUBTYPE_VIRTUAL] = "virtual",
[SUBTYPE_MONITOR] = "monitor"
};
pa_assert(s);
@ -190,12 +215,13 @@ static int publish_service(struct service *s) {
txt = txt_record_server_data(s->userdata->core, txt);
get_service_data(s, &ss, &map, &name, &description);
get_service_data(s, &ss, &map, &name, &description, &subtype);
txt = avahi_string_list_add_pair(txt, "device", name);
txt = avahi_string_list_add_printf(txt, "rate=%u", ss.rate);
txt = avahi_string_list_add_printf(txt, "channels=%u", ss.channels);
txt = avahi_string_list_add_pair(txt, "format", pa_sample_format_to_string(ss.format));
txt = avahi_string_list_add_pair(txt, "channel_map", pa_channel_map_snprint(cm, sizeof(cm), &map));
txt = avahi_string_list_add_pair(txt, "subtype", subtype_text[subtype]);
if (avahi_entry_group_add_service_strlst(
s->entry_group,
@ -212,6 +238,35 @@ static int publish_service(struct service *s) {
goto finish;
}
if (avahi_entry_group_add_service_subtype(
s->entry_group,
AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC,
0,
s->service_name,
pa_sink_isinstance(s->device) ? SERVICE_TYPE_SINK : SERVICE_TYPE_SOURCE,
NULL,
pa_sink_isinstance(s->device) ? (subtype == SUBTYPE_HARDWARE ? SERVICE_SUBTYPE_SINK_HARDWARE : SERVICE_SUBTYPE_SINK_VIRTUAL) :
(subtype == SUBTYPE_HARDWARE ? SERVICE_SUBTYPE_SOURCE_HARDWARE : (subtype == SUBTYPE_VIRTUAL ? SERVICE_SUBTYPE_SOURCE_VIRTUAL : SERVICE_SUBTYPE_SOURCE_MONITOR))) < 0) {
pa_log("avahi_entry_group_add_service_subtype(): %s", avahi_strerror(avahi_client_errno(s->userdata->client)));
goto finish;
}
if (pa_source_isinstance(s->device) && subtype != SUBTYPE_MONITOR) {
if (avahi_entry_group_add_service_subtype(
s->entry_group,
AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC,
0,
s->service_name,
SERVICE_TYPE_SOURCE,
NULL,
SERVICE_SUBTYPE_SOURCE_NON_MONITOR) < 0) {
pa_log("avahi_entry_group_add_service_subtype(): %s", avahi_strerror(avahi_client_errno(s->userdata->client)));
goto finish;
}
}
if (avahi_entry_group_commit(s->entry_group) < 0) {
pa_log("avahi_entry_group_commit(): %s", avahi_strerror(avahi_client_errno(s->userdata->client)));
goto finish;
@ -468,8 +523,10 @@ static void client_callback(AvahiClient *c, AvahiClientState state, void *userda
unpublish_all_services(u, TRUE);
avahi_client_free(u->client);
if (!(u->client = avahi_client_new(u->avahi_poll, AVAHI_CLIENT_NO_FAIL, client_callback, u, &error)))
pa_log("pa_avahi_client_new() failed: %s", avahi_strerror(error));
if (!(u->client = avahi_client_new(u->avahi_poll, AVAHI_CLIENT_NO_FAIL, client_callback, u, &error))) {
pa_log("avahi_client_new() failed: %s", avahi_strerror(error));
pa_module_unload_request(u->module);
}
}
break;
@ -487,17 +544,18 @@ int pa__init(pa_module*m) {
int error;
if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
pa_log("failed to parse module arguments.");
pa_log("Failed to parse module arguments.");
goto fail;
}
if (pa_modargs_get_value_u32(ma, "port", &port) < 0 || port <= 0 || port > 0xFFFF) {
pa_log("invalid port specified.");
pa_log("Invalid port specified.");
goto fail;
}
m->userdata = u = pa_xnew(struct userdata, 1);
u->core = m->core;
u->module = m;
u->port = (uint16_t) port;
u->avahi_poll = pa_avahi_poll_new(m->core->mainloop);
@ -516,7 +574,7 @@ int pa__init(pa_module*m) {
u->service_name = pa_truncate_utf8(pa_sprintf_malloc("%s@%s", pa_get_user_name(un, sizeof(un)), pa_get_host_name(hn, sizeof(hn))), AVAHI_LABEL_MAX);
if (!(u->client = avahi_client_new(u->avahi_poll, AVAHI_CLIENT_NO_FAIL, client_callback, u, &error))) {
pa_log("pa_avahi_client_new() failed: %s", avahi_strerror(error));
pa_log("avahi_client_new() failed: %s", avahi_strerror(error));
goto fail;
}