static int publish_main_service(struct userdata *u) {
DNSServiceErrorType err;
TXTRecordRef txt;
pa_assert(u);
if (u->main_service) {
DNSServiceRefDeallocate(u->main_service);
u->main_service = NULL;
}
TXTRecordCreate(&txt, 0, NULL);
txt_record_server_data(u->core, &txt);
err = DNSServiceRegister(&u->main_service,
0, /* flags */
kDNSServiceInterfaceIndexAny,
u->service_name,
SERVICE_TYPE_SERVER,
NULL, /* domain */
NULL, /* host */
compute_port(u),
TXTRecordGetLength(&txt),
TXTRecordGetBytesPtr(&txt),
NULL, NULL);
if (err != kDNSServiceErr_NoError) {
pa_log("%s(): DNSServiceRegister() returned err %d", __func__, err);
return err;
}
TXTRecordDeallocate(&txt);
return 0;
}
static int publish_main_service(struct userdata *u) {
AvahiStringList *txt = NULL;
int r = -1;
pa_assert(u);
if (!u->main_entry_group) {
if (!(u->main_entry_group = avahi_entry_group_new(u->client, main_entry_group_callback, u))) {
pa_log("avahi_entry_group_new() failed: %s", avahi_strerror(avahi_client_errno(u->client)));
goto fail;
}
} else
avahi_entry_group_reset(u->main_entry_group);
txt = txt_record_server_data(u->core, txt);
if (avahi_entry_group_add_service_strlst(
u->main_entry_group,
AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC,
0,
u->service_name,
SERVICE_TYPE_SERVER,
NULL,
NULL,
compute_port(u),
txt) < 0) {
pa_log("avahi_entry_group_add_service_strlst() failed: %s", avahi_strerror(avahi_client_errno(u->client)));
goto fail;
}
if (avahi_entry_group_commit(u->main_entry_group) < 0) {
pa_log("avahi_entry_group_commit() failed: %s", avahi_strerror(avahi_client_errno(u->client)));
goto fail;
}
r = 0;
fail:
avahi_string_list_free(txt);
return r;
}
static int publish_service(struct service *s) {
int r = -1;
TXTRecordRef txt;
DNSServiceErrorType err;
const char *name = NULL, *t;
pa_proplist *proplist = NULL;
pa_sample_spec ss;
pa_channel_map map;
char cm[PA_CHANNEL_MAP_SNPRINT_MAX], tmp[64];
enum service_subtype subtype;
const char * const subtype_text[] = {
[SUBTYPE_HARDWARE] = "hardware",
[SUBTYPE_VIRTUAL] = "virtual",
[SUBTYPE_MONITOR] = "monitor"
};
pa_assert(s);
if (s->service) {
DNSServiceRefDeallocate(s->service);
s->service = NULL;
}
TXTRecordCreate(&txt, 0, NULL);
txt_record_server_data(s->userdata->core, &txt);
get_service_data(s, &ss, &map, &name, &proplist, &subtype);
TXTRecordSetValue(&txt, "device", strlen(name), name);
snprintf(tmp, sizeof(tmp), "%u", ss.rate);
TXTRecordSetValue(&txt, "rate", strlen(tmp), tmp);
snprintf(tmp, sizeof(tmp), "%u", ss.channels);
TXTRecordSetValue(&txt, "channels", strlen(tmp), tmp);
t = pa_sample_format_to_string(ss.format);
TXTRecordSetValue(&txt, "format", strlen(t), t);
t = pa_channel_map_snprint(cm, sizeof(cm), &map);
TXTRecordSetValue(&txt, "channel_map", strlen(t), t);
t = subtype_text[subtype];
TXTRecordSetValue(&txt, "subtype", strlen(t), t);
if ((t = pa_proplist_gets(proplist, PA_PROP_DEVICE_DESCRIPTION)))
TXTRecordSetValue(&txt, "description", strlen(t), t);
if ((t = pa_proplist_gets(proplist, PA_PROP_DEVICE_ICON_NAME)))
TXTRecordSetValue(&txt, "icon-name", strlen(t), t);
if ((t = pa_proplist_gets(proplist, PA_PROP_DEVICE_VENDOR_NAME)))
TXTRecordSetValue(&txt, "vendor-name", strlen(t), t);
if ((t = pa_proplist_gets(proplist, PA_PROP_DEVICE_PRODUCT_NAME)))
TXTRecordSetValue(&txt, "product-name", strlen(t), t);
if ((t = pa_proplist_gets(proplist, PA_PROP_DEVICE_CLASS)))
TXTRecordSetValue(&txt, "class", strlen(t), t);
if ((t = pa_proplist_gets(proplist, PA_PROP_DEVICE_FORM_FACTOR)))
TXTRecordSetValue(&txt, "form-factor", strlen(t), t);
err = DNSServiceRegister(&s->service,
0, /* flags */
kDNSServiceInterfaceIndexAny,
s->service_name,
pa_sink_isinstance(s->device) ? SERVICE_TYPE_SINK : SERVICE_TYPE_SOURCE,
NULL, /* domain */
NULL, /* host */
compute_port(s->userdata),
TXTRecordGetLength(&txt),
TXTRecordGetBytesPtr(&txt),
dns_service_register_reply, s);
if (err != kDNSServiceErr_NoError) {
pa_log("DNSServiceRegister() returned err %d", err);
goto finish;
}
pa_log_debug("Successfully registered Bonjour services for >%s<.", s->service_name);
return 0;
finish:
/* Remove this service */
if (r < 0)
service_free(s);
TXTRecordDeallocate(&txt);
return r;
}
static int publish_service(struct service *s) {
int r = -1;
AvahiStringList *txt = NULL;
const char *name = NULL, *t;
pa_proplist *proplist = NULL;
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);
if (!s->userdata->client || avahi_client_get_state(s->userdata->client) != AVAHI_CLIENT_S_RUNNING)
return 0;
if (!s->entry_group) {
if (!(s->entry_group = avahi_entry_group_new(s->userdata->client, service_entry_group_callback, s))) {
pa_log("avahi_entry_group_new(): %s", avahi_strerror(avahi_client_errno(s->userdata->client)));
goto finish;
}
} else
avahi_entry_group_reset(s->entry_group);
txt = txt_record_server_data(s->userdata->core, txt);
get_service_data(s, &ss, &map, &name, &proplist, &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 ((t = pa_proplist_gets(proplist, PA_PROP_DEVICE_DESCRIPTION)))
txt = avahi_string_list_add_pair(txt, "description", t);
if ((t = pa_proplist_gets(proplist, PA_PROP_DEVICE_ICON_NAME)))
txt = avahi_string_list_add_pair(txt, "icon-name", t);
if ((t = pa_proplist_gets(proplist, PA_PROP_DEVICE_VENDOR_NAME)))
txt = avahi_string_list_add_pair(txt, "vendor-name", t);
if ((t = pa_proplist_gets(proplist, PA_PROP_DEVICE_PRODUCT_NAME)))
txt = avahi_string_list_add_pair(txt, "product-name", t);
if ((t = pa_proplist_gets(proplist, PA_PROP_DEVICE_CLASS)))
txt = avahi_string_list_add_pair(txt, "class", t);
if ((t = pa_proplist_gets(proplist, PA_PROP_DEVICE_FORM_FACTOR)))
txt = avahi_string_list_add_pair(txt, "form-factor", t);
if (avahi_entry_group_add_service_strlst(
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,
NULL,
compute_port(s->userdata),
txt) < 0) {
pa_log("avahi_entry_group_add_service_strlst(): %s", avahi_strerror(avahi_client_errno(s->userdata->client)));
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;
}
r = 0;
pa_log_debug("Successfully created entry group for %s.", s->service_name);
finish:
/* Remove this service */
if (r < 0)
service_free(s);
avahi_string_list_free(txt);
return r;
}
