int
mdns_register(char *name, char *type, int port, char **txt)
{
struct mdns_group_entry *ge;
AvahiStringList *txt_sl;
int i;
DPRINTF(E_DBG, L_MDNS, "Adding mDNS service %s/%s\n", name, type);
ge = (struct mdns_group_entry *)malloc(sizeof(struct mdns_group_entry));
if (!ge)
return -1;
ge->name = strdup(name);
ge->type = strdup(type);
ge->port = port;
txt_sl = NULL;
for (i = 0; txt[i]; i++)
{
txt_sl = avahi_string_list_add(txt_sl, txt[i]);
DPRINTF(E_DBG, L_MDNS, "Added key %s\n", txt[i]);
}
ge->txt = txt_sl;
ge->next = group_entries;
group_entries = ge;
if (mdns_group)
{
DPRINTF(E_DBG, L_MDNS, "Resetting mDNS group\n");
avahi_entry_group_reset(mdns_group);
}
DPRINTF(E_DBG, L_MDNS, "Creating service group\n");
_create_services();
return 0;
}
static void
mdns_register_task(void *arg)
{
struct mdns_group_entry *ge;
ge = (struct mdns_group_entry *)arg;
DPRINTF(E_DBG, L_MDNS, "[ASYNC] Adding mDNS service %s/%s\n", ge->name, ge->type);
ge->next = group_entries;
group_entries = ge;
if (mdns_group)
{
DPRINTF(E_DBG, L_MDNS, "Resetting mDNS group\n");
avahi_entry_group_reset(mdns_group);
}
DPRINTF(E_DBG, L_MDNS, "Creating service group\n");
_create_services();
}
static void
client_callback(AvahiClient *c, AvahiClientState state, AVAHI_GCC_UNUSED void * userdata)
{
struct mdns_browser *mb;
AvahiServiceBrowser *b;
int error;
switch (state)
{
case AVAHI_CLIENT_S_RUNNING:
DPRINTF(E_LOG, L_MDNS, "Avahi state change: Client running\n");
if (!mdns_group)
_create_services();
for (mb = browser_list; mb; mb = mb->next)
{
b = avahi_service_browser_new(mdns_client, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, mb->type, NULL, 0, browse_callback, mb);
if (!b)
{
DPRINTF(E_LOG, L_MDNS, "Failed to recreate service browser (service type %s): %s\n", mb->type,
avahi_strerror(avahi_client_errno(mdns_client)));
}
}
break;
case AVAHI_CLIENT_S_COLLISION:
DPRINTF(E_LOG, L_MDNS, "Avahi state change: Client collision\n");
if(mdns_group)
avahi_entry_group_reset(mdns_group);
break;
case AVAHI_CLIENT_FAILURE:
DPRINTF(E_LOG, L_MDNS, "Avahi state change: Client failure\n");
error = avahi_client_errno(c);
if (error == AVAHI_ERR_DISCONNECTED)
{
DPRINTF(E_LOG, L_MDNS, "Avahi Server disconnected, reconnecting\n");
avahi_client_free(mdns_client);
mdns_group = NULL;
mdns_client = avahi_client_new(&ev_poll_api, AVAHI_CLIENT_NO_FAIL,
client_callback, NULL, &error);
if (!mdns_client)
{
DPRINTF(E_LOG, L_MDNS, "Failed to create new Avahi client: %s\n",
avahi_strerror(error));
}
}
else
{
DPRINTF(E_LOG, L_MDNS, "Avahi client failure: %s\n", avahi_strerror(error));
}
break;
case AVAHI_CLIENT_S_REGISTERING:
DPRINTF(E_LOG, L_MDNS, "Avahi state change: Client registering\n");
if (mdns_group)
avahi_entry_group_reset(mdns_group);
break;
case AVAHI_CLIENT_CONNECTING:
DPRINTF(E_LOG, L_MDNS, "Avahi state change: Client connecting\n");
break;
}
}