void
arv_gc_set_default_node_data (ArvGc *genicam, const char *node_name, const char *node_data)
{
g_return_if_fail (ARV_IS_GC (genicam));
g_return_if_fail (node_name != NULL);
g_return_if_fail (node_data != NULL);
if (arv_gc_get_node (genicam, node_name) != NULL)
return;
arv_dom_document_append_from_memory (ARV_DOM_DOCUMENT (genicam), NULL, node_data, -1, NULL);
}
ArvDomDocument*
arv_dom_node_get_owner_document (ArvDomNode* self)
{
ArvDomNode *parent;
g_return_val_if_fail (ARV_IS_DOM_NODE (self), NULL);
for (parent = self;
parent != NULL &&
!ARV_IS_DOM_DOCUMENT (parent);
parent = parent->parent_node);
return ARV_DOM_DOCUMENT (parent);
}
static void
arv_dom_parser_characters (void *user_data, const xmlChar *ch, int len)
{
ArvDomSaxParserState *state = user_data;
if (!state->is_error) {
ArvDomNode *node;
char *text;
text = g_strndup ((char *) ch, len);
node = ARV_DOM_NODE (arv_dom_document_create_text_node (ARV_DOM_DOCUMENT (state->document), text));
arv_dom_node_append_child (state->current_node, node);
g_free (text);
}
}
static void
arv_dom_parser_start_element(void *user_data,
const xmlChar *name,
const xmlChar **attrs)
{
ArvDomSaxParserState *state = user_data;
ArvDomNode *node;
int i;
if (state->is_error) {
state->error_depth++;
return;
}
if (state->document == NULL) {
state->document = arv_dom_implementation_create_document (NULL, (char *) name);
state->current_node = ARV_DOM_NODE (state->document);
g_return_if_fail (ARV_IS_DOM_DOCUMENT (state->document));
}
node = ARV_DOM_NODE (arv_dom_document_create_element (ARV_DOM_DOCUMENT (state->document), (char *) name));
if (ARV_IS_DOM_NODE (node) && arv_dom_node_append_child (state->current_node, node) != NULL) {
if (attrs != NULL)
for (i = 0; attrs[i] != NULL && attrs[i+1] != NULL; i += 2)
arv_dom_element_set_attribute (ARV_DOM_ELEMENT (node),
(char *) attrs[i],
(char *) attrs[i+1]);
state->current_node = node;
state->is_error = FALSE;
state->error_depth = 0;
} else {
state->is_error = TRUE;
state->error_depth = 1;
}
}
ArvDevice *
arv_gv_device_new (GInetAddress *interface_address, GInetAddress *device_address)
{
ArvGvDevice *gv_device;
ArvGvDeviceIOData *io_data;
ArvGvDeviceHeartbeatData *heartbeat_data;
ArvGcRegisterDescriptionNode *register_description;
ArvDomDocument *document;
char *address_string;
guint32 capabilities;
g_return_val_if_fail (G_IS_INET_ADDRESS (interface_address), NULL);
g_return_val_if_fail (G_IS_INET_ADDRESS (device_address), NULL);
address_string = g_inet_address_to_string (interface_address);
arv_debug_device ("[GvDevice::new] Interface address = %s", address_string);
g_free (address_string);
address_string = g_inet_address_to_string (device_address);
arv_debug_device ("[GvDevice::new] Device address = %s", address_string);
g_free (address_string);
gv_device = g_object_new (ARV_TYPE_GV_DEVICE, NULL);
io_data = g_new0 (ArvGvDeviceIOData, 1);
#if GLIB_CHECK_VERSION(2,32,0)
g_mutex_init (&io_data->mutex);
#else
io_data->mutex = g_mutex_new ();
#endif
io_data->packet_id = 65300; /* Start near the end of the circular counter */
io_data->interface_address = g_inet_socket_address_new (interface_address, 0);
io_data->device_address = g_inet_socket_address_new (device_address, ARV_GVCP_PORT);
io_data->socket = g_socket_new (G_SOCKET_FAMILY_IPV4,
G_SOCKET_TYPE_DATAGRAM,
G_SOCKET_PROTOCOL_UDP, NULL);
g_socket_bind (io_data->socket, io_data->interface_address, TRUE, NULL);
io_data->buffer = g_malloc (ARV_GV_DEVICE_BUFFER_SIZE);
io_data->gvcp_n_retries = ARV_GV_DEVICE_GVCP_N_RETRIES_DEFAULT;
io_data->gvcp_timeout_ms = ARV_GV_DEVICE_GVCP_TIMEOUT_MS_DEFAULT;
io_data->poll_in_event.fd = g_socket_get_fd (io_data->socket);
io_data->poll_in_event.events = G_IO_IN;
io_data->poll_in_event.revents = 0;
gv_device->priv->io_data = io_data;
arv_gv_device_load_genicam (gv_device);
arv_gv_device_take_control (gv_device);
heartbeat_data = g_new (ArvGvDeviceHeartbeatData, 1);
heartbeat_data->gv_device = gv_device;
heartbeat_data->io_data = io_data;
heartbeat_data->period_us = ARV_GV_DEVICE_HEARTBEAT_PERIOD_US;
heartbeat_data->cancel = FALSE;
gv_device->priv->heartbeat_data = heartbeat_data;
gv_device->priv->heartbeat_thread = arv_g_thread_new ("arv_gv_heartbeat", arv_gv_device_heartbeat_thread,
gv_device->priv->heartbeat_data);
arv_device_read_register (ARV_DEVICE (gv_device), ARV_GVBS_GVCP_CAPABILITY_OFFSET, &capabilities, NULL);
gv_device->priv->is_packet_resend_supported = (capabilities & ARV_GVBS_GVCP_CAPABILITY_PACKET_RESEND) != 0;
gv_device->priv->is_write_memory_supported = (capabilities & ARV_GVBS_GVCP_CAPABILITY_WRITE_MEMORY) != 0;
arv_debug_device ("[GvDevice::new] Packet resend = %s", gv_device->priv->is_packet_resend_supported ? "yes" : "no");
arv_debug_device ("[GvDevice::new] Write memory = %s", gv_device->priv->is_write_memory_supported ? "yes" : "no");
document = ARV_DOM_DOCUMENT (gv_device->priv->genicam);
register_description = ARV_GC_REGISTER_DESCRIPTION_NODE (arv_dom_document_get_document_element (document));
if (!arv_gc_register_description_node_check_schema_version (register_description, 1, 1, 0))
arv_debug_device ("[GvDevice::new] Register workaround = yes");
return ARV_DEVICE (gv_device);
}
