static const dleyna_task_queue_key_t *prv_create_device_queue(
prv_device_new_ct_t **priv_t)
{
const dleyna_task_queue_key_t *queue_id;
*priv_t = g_new0(prv_device_new_ct_t, 1);
queue_id = dleyna_task_processor_add_queue(
dls_server_get_task_processor(),
dleyna_service_task_create_source(),
DLS_SERVER_SINK,
DLEYNA_TASK_QUEUE_FLAG_AUTO_REMOVE,
dleyna_service_task_process_cb,
dleyna_service_task_cancel_cb,
dleyna_service_task_delete_cb);
dleyna_task_queue_set_finally(queue_id, prv_device_chain_end);
dleyna_task_queue_set_user_data(queue_id, *priv_t);
return queue_id;
}
static void prv_device_unavailable_cb(GUPnPControlPoint *cp,
GUPnPDeviceProxy *proxy,
gpointer user_data)
{
dls_upnp_t *upnp = user_data;
const char *udn;
dls_device_t *device;
const gchar *ip_address;
unsigned int i;
dls_device_context_t *context;
gboolean subscribed;
gboolean construction_ctx = FALSE;
gboolean under_construction = FALSE;
prv_device_new_ct_t *priv_t;
const dleyna_task_queue_key_t *queue_id;
dls_device_context_t *lost_context;
gpointer key;
gpointer val;
DLEYNA_LOG_DEBUG("Enter");
udn = gupnp_device_info_get_udn((GUPnPDeviceInfo *)proxy);
ip_address = gupnp_context_get_host_ip(
gupnp_control_point_get_context(cp));
if (!udn || !ip_address)
goto on_error;
DLEYNA_LOG_DEBUG("UDN %s", udn);
DLEYNA_LOG_DEBUG("IP Address %s", ip_address);
device = g_hash_table_lookup(upnp->device_udn_map, udn);
if (!device) {
priv_t = g_hash_table_lookup(upnp->device_uc_map, udn);
if (priv_t) {
device = priv_t->device;
under_construction = TRUE;
}
}
if (!device) {
DLEYNA_LOG_WARNING("Device not found. Ignoring");
goto on_error;
}
for (i = 0; i < device->contexts->len; ++i) {
context = g_ptr_array_index(device->contexts, i);
if (!strcmp(context->ip_address, ip_address))
break;
}
if (i >= device->contexts->len)
goto on_error;
subscribed = (context->cds.subscribed || context->ems.subscribed);
if (under_construction)
construction_ctx = !strcmp(context->ip_address,
priv_t->ip_address);
g_ptr_array_set_free_func(device->contexts, NULL);
lost_context = g_ptr_array_remove_index(device->contexts, i);
g_ptr_array_set_free_func(device->contexts,
(GDestroyNotify)dls_device_delete_context);
if (device->contexts->len == 0) {
if (!under_construction) {
DLEYNA_LOG_DEBUG("Last Context lost.");
if (!device->sleeping) {
DLEYNA_LOG_DEBUG("Delete device.");
upnp->lost_server(device->path,
upnp->user_data);
g_hash_table_remove(upnp->device_udn_map, udn);
} else {
DLEYNA_LOG_DEBUG("Persist sleeping device.");
dleyna_task_processor_remove_queues_for_sink(
dls_server_get_task_processor(),
device->path);
g_hash_table_insert(
upnp->sleeping_device_udn_map,
g_strdup(udn),
device);
if (g_hash_table_lookup_extended(
upnp->device_udn_map,
udn,
&key,
&val)) {
g_hash_table_steal(upnp->device_udn_map,
udn);
g_free(key);
}
device->sleeping_context = lost_context;
lost_context = NULL;
}
} else {
DLEYNA_LOG_WARNING(
"Device under construction. Cancelling");
dleyna_task_processor_cancel_queue(priv_t->queue_id);
}
} else if (under_construction && construction_ctx) {
DLEYNA_LOG_WARNING(
"Device under construction. Switching context");
/* Cancel previous contruction task chain */
g_hash_table_remove(priv_t->upnp->device_uc_map, priv_t->udn);
dleyna_task_queue_set_finally(priv_t->queue_id,
prv_device_context_switch_end);
dleyna_task_processor_cancel_queue(priv_t->queue_id);
/* Create a new construction task chain */
context = dls_device_get_context(device, NULL);
queue_id = prv_create_device_queue(&priv_t);
prv_update_device_context(priv_t, upnp, udn, device,
context->ip_address, queue_id);
/* Start tasks from current construction step */
dls_device_construct(device,
context,
upnp->connection,
upnp->interface_info,
upnp->property_map,
queue_id);
} else if (subscribed && !device->timeout_id) {
DLEYNA_LOG_DEBUG("Subscribe on new context");
device->timeout_id = g_timeout_add_seconds(1,
prv_subscribe_to_service_changes,
device);
}
if (lost_context != NULL)
dls_device_delete_context(lost_context);
on_error:
DLEYNA_LOG_DEBUG("Exit");
DLEYNA_LOG_DEBUG_NL();
return;
}
static void prv_server_available_cb(GUPnPControlPoint *cp,
GUPnPDeviceProxy *proxy,
gpointer user_data)
{
dls_upnp_t *upnp = user_data;
const char *udn;
dls_device_t *device;
const gchar *ip_address;
dls_device_context_t *context;
const dleyna_task_queue_key_t *queue_id;
unsigned int i;
prv_device_new_ct_t *priv_t;
udn = gupnp_device_info_get_udn((GUPnPDeviceInfo *)proxy);
if (!udn)
goto on_error;
ip_address = gupnp_context_get_host_ip(
gupnp_control_point_get_context(cp));
DLEYNA_LOG_DEBUG("UDN %s", udn);
DLEYNA_LOG_DEBUG("IP Address %s", ip_address);
device = g_hash_table_lookup(upnp->server_udn_map, udn);
if (!device) {
priv_t = g_hash_table_lookup(upnp->server_uc_map, udn);
if (priv_t)
device = priv_t->device;
}
if (!device) {
DLEYNA_LOG_DEBUG("Device not found. Adding");
DLEYNA_LOG_DEBUG_NL();
priv_t = g_new0(prv_device_new_ct_t, 1);
queue_id = dleyna_task_processor_add_queue(
dls_server_get_task_processor(),
dleyna_service_task_create_source(),
DLS_SERVER_SINK,
DLEYNA_TASK_QUEUE_FLAG_AUTO_REMOVE,
dleyna_service_task_process_cb,
dleyna_service_task_cancel_cb,
dleyna_service_task_delete_cb);
dleyna_task_queue_set_finally(queue_id, prv_device_chain_end);
dleyna_task_queue_set_user_data(queue_id, priv_t);
device = dls_device_new(upnp->connection, proxy, ip_address,
upnp->interface_info,
upnp->property_map, upnp->counter,
queue_id);
upnp->counter++;
priv_t->upnp = upnp;
priv_t->udn = g_strdup(udn);
priv_t->queue_id = queue_id;
priv_t->device = device;
g_hash_table_insert(upnp->server_uc_map, g_strdup(udn), priv_t);
} else {
DLEYNA_LOG_DEBUG("Device Found");
for (i = 0; i < device->contexts->len; ++i) {
context = g_ptr_array_index(device->contexts, i);
if (!strcmp(context->ip_address, ip_address))
break;
}
if (i == device->contexts->len) {
DLEYNA_LOG_DEBUG("Adding Context");
(void) dls_device_append_new_context(device, ip_address,
proxy);
}
DLEYNA_LOG_DEBUG_NL();
}
on_error:
return;
}
