Esempio n. 1
0
ArvDevice *
arv_gv_device_new (GInetAddress *interface_address, GInetAddress *device_address)
{
	ArvGvDevice *gv_device;
	ArvGvDeviceIOData *io_data;
	ArvGvDeviceHeartbeatData *heartbeat_data;
	char *address_string;

	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);

	io_data->mutex = g_mutex_new ();
	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 = g_thread_create (arv_gv_device_heartbeat_thread,
							     gv_device->priv->heartbeat_data,
							     TRUE, NULL);

	return ARV_DEVICE (gv_device);
}
Esempio n. 2
0
static ArvStream *
arv_gv_device_create_stream (ArvDevice *device, ArvStreamCallback callback, void *user_data)
{
	ArvGvDevice *gv_device = ARV_GV_DEVICE (device);
	ArvGvDeviceIOData *io_data = gv_device->priv->io_data;
	ArvStream *stream;
	const guint8 *address_bytes;
	guint32 stream_port;
	guint packet_size;
	guint32 n_stream_channels;
	GInetAddress *interface_address;
	GInetAddress *device_address;

	arv_device_read_register (device, ARV_GVBS_N_STREAM_CHANNELS_OFFSET, &n_stream_channels, NULL);
	arv_debug_device ("[GvDevice::create_stream] Number of stream channels = %d", n_stream_channels);

	if (n_stream_channels < 1)
		return NULL;

	if (!io_data->is_controller) {
		arv_warning_device ("[GvDevice::create_stream] Can't create stream without control access");
		return NULL;
	}

	interface_address = g_inet_socket_address_get_address (G_INET_SOCKET_ADDRESS (io_data->interface_address));
	device_address = g_inet_socket_address_get_address (G_INET_SOCKET_ADDRESS (io_data->device_address));
	address_bytes = g_inet_address_to_bytes (interface_address);

	/* On some cameras, the default packet size after reset is incorrect.
	 * So, if the value is obviously incorrect, set it to a default size. */
	packet_size = arv_gv_device_get_packet_size (gv_device);
	if (packet_size <= ARV_GVSP_PACKET_PROTOCOL_OVERHEAD) {
		arv_gv_device_set_packet_size (gv_device, ARV_GV_DEVICE_GVSP_PACKET_SIZE_DEFAULT);
		arv_debug_device ("[GvDevice::create_stream] Packet size set to default value (%d)",
				  ARV_GV_DEVICE_GVSP_PACKET_SIZE_DEFAULT);
	}

	packet_size = arv_gv_device_get_packet_size (gv_device);
	arv_debug_device ("[GvDevice::create_stream] Packet size = %d byte(s)", packet_size);

	stream = arv_gv_stream_new (device_address, 0, callback, user_data,
				    arv_gv_device_get_timestamp_tick_frequency (gv_device), packet_size);

	stream_port = arv_gv_stream_get_port (ARV_GV_STREAM (stream));

	if (!arv_device_write_register (device, ARV_GVBS_STREAM_CHANNEL_0_IP_ADDRESS_OFFSET,
				   g_htonl(*((guint32 *) address_bytes)), NULL) ||
	    !arv_device_write_register (device, ARV_GVBS_STREAM_CHANNEL_0_PORT_OFFSET, stream_port, NULL)) {
		arv_warning_device ("[GvDevice::create_stream] Stream configuration failed");

		g_object_unref (stream);
		return NULL;
	}

	arv_debug_device ("[GvDevice::create_stream] Stream port = %d", stream_port);

	return stream;
}
Esempio n. 3
0
ArvDevice *
arv_uv_device_new (const char *vendor, const char *product, const char *serial_nbr)
{
	ArvUvDevice *uv_device;

	g_return_val_if_fail (vendor != NULL, NULL);
	g_return_val_if_fail (product != NULL, NULL);
	g_return_val_if_fail (serial_nbr != NULL, NULL);

	arv_debug_device ("[UvDevice::new] Vendor  = %s", vendor);
	arv_debug_device ("[UvDevice::new] Product = %s", product);
	arv_debug_device ("[UvDevice::new] S/N     = %s", serial_nbr);

	uv_device = g_object_new (ARV_TYPE_UV_DEVICE, NULL);

	libusb_init (&uv_device->priv->usb);
	uv_device->priv->vendor = g_strdup (vendor);
	uv_device->priv->product = g_strdup (product);
	uv_device->priv->serial_nbr = g_strdup (serial_nbr);
	uv_device->priv->packet_id = 65300; /* Start near the end of the circular counter */
	uv_device->priv->timeout_ms = 32;

	_open_usb_device (uv_device);

	arv_debug_device("[UvDevice::new] Using control endpoint %d, interface %d",
			 uv_device->priv->control_endpoint, uv_device->priv->control_interface);
	arv_debug_device("[UvDevice::new] Using data endpoint %d, interface %d",
			 uv_device->priv->data_endpoint, uv_device->priv->data_interface);

	if (uv_device->priv->usb_device == NULL ||
	    libusb_claim_interface (uv_device->priv->usb_device, uv_device->priv->control_interface) < 0 ||
	    libusb_claim_interface (uv_device->priv->usb_device, uv_device->priv->data_interface) < 0) {
		arv_warning_device ("[UvDevice::new] Failed to claim USB interface to '%s - #%s'", product, serial_nbr);
		g_object_unref (uv_device);
		return NULL;
	}

	_bootstrap (uv_device);

	if (!ARV_IS_GC (uv_device->priv->genicam)) {
		arv_warning_device ("[UvDevice::new] Failed to load genicam data");
		g_object_unref (uv_device);
		return NULL;
	}

	return ARV_DEVICE (uv_device);
}
Esempio n. 4
0
static void
_bootstrap (ArvUvDevice *uv_device)
{
	ArvDevice *device = ARV_DEVICE (uv_device);
	guint64 offset;
	guint32 response_time;
	guint64 manifest_table_address;
	guint64 device_capability;
	guint32 max_cmd_transfer;
	guint32 max_ack_transfer;
	guint32 u3vcp_capability;
	guint64 sirm_offset;
	guint32 si_info;
	guint32 si_control;
	guint64 si_req_payload_size;
	guint32 si_req_leader_size;
	guint32 si_req_trailer_size;
	guint32 si_max_leader_size;
	guint32 si_payload_size;
	guint32 si_payload_count;
	guint32 si_transfer1_size;
	guint32 si_transfer2_size;
	guint32 si_max_trailer_size;
	guint64 manifest_n_entries;
	ArvUvcpManifestEntry entry;
	ArvUvcpManifestSchemaType schema_type;
	GString *string;
	void *data;
	char manufacturer[64];

	arv_debug_device ("Get genicam");

	arv_device_read_memory(device, ARV_ABRM_MANUFACTURER_NAME, 64, &manufacturer, NULL);
	manufacturer[63] = 0;
	arv_debug_device ("MANUFACTURER_NAME =        '%s'", manufacturer);

	arv_device_read_memory (device, ARV_ABRM_SBRM_ADDRESS, sizeof (guint64), &offset, NULL);
	arv_device_read_memory (device, ARV_ABRM_MAX_DEVICE_RESPONSE_TIME, sizeof (guint32), &response_time, NULL);
	arv_device_read_memory (device, ARV_ABRM_DEVICE_CAPABILITY, sizeof (guint64), &device_capability, NULL);
	arv_device_read_memory (device, ARV_ABRM_MANIFEST_TABLE_ADDRESS, sizeof (guint64), &manifest_table_address, NULL);

	arv_debug_device ("MAX_DEVICE_RESPONSE_TIME = 0x%08x", response_time);
	arv_debug_device ("DEVICE_CAPABILITY        = 0x%016lx", device_capability);
	arv_debug_device ("SRBM_ADDRESS =             0x%016lx", offset);
	arv_debug_device ("MANIFEST_TABLE_ADDRESS =   0x%016lx", manifest_table_address);

	uv_device->priv->timeout_ms = MAX (ARV_UVCP_DEFAULT_RESPONSE_TIME_MS, response_time);

	arv_device_read_memory (device, offset + ARV_SBRM_U3VCP_CAPABILITY, sizeof (guint32), &u3vcp_capability, NULL);
	arv_device_read_memory (device, offset + ARV_SBRM_MAX_CMD_TRANSFER, sizeof (guint32), &max_cmd_transfer, NULL);
	arv_device_read_memory (device, offset + ARV_SBRM_MAX_ACK_TRANSFER, sizeof (guint32), &max_ack_transfer, NULL);
	arv_device_read_memory (device, offset + ARV_SBRM_SIRM_ADDRESS, sizeof (guint64), &sirm_offset, NULL);

	arv_debug_device ("U3VCP_CAPABILITY =         0x%08x", u3vcp_capability);
	arv_debug_device ("MAX_CMD_TRANSFER =         0x%08x", max_cmd_transfer);
	arv_debug_device ("MAX_ACK_TRANSFER =         0x%08x", max_ack_transfer);
	arv_debug_device ("SIRM_OFFSET =              0x%016lx", sirm_offset);

	uv_device->priv->cmd_packet_size_max = MIN (uv_device->priv->cmd_packet_size_max, max_cmd_transfer);
	uv_device->priv->ack_packet_size_max = MIN (uv_device->priv->ack_packet_size_max, max_ack_transfer);

	arv_device_read_memory (device, sirm_offset + ARV_SI_INFO, sizeof (si_info), &si_info, NULL);
	arv_device_read_memory (device, sirm_offset + ARV_SI_CONTROL, sizeof (si_control), &si_control, NULL);
	arv_device_read_memory (device, sirm_offset + ARV_SI_REQ_PAYLOAD_SIZE, sizeof (si_req_payload_size), &si_req_payload_size, NULL);
	arv_device_read_memory (device, sirm_offset + ARV_SI_REQ_LEADER_SIZE, sizeof (si_req_leader_size), &si_req_leader_size, NULL);
	arv_device_read_memory (device, sirm_offset + ARV_SI_REQ_TRAILER_SIZE, sizeof (si_req_trailer_size), &si_req_trailer_size, NULL);
	arv_device_read_memory (device, sirm_offset + ARV_SI_MAX_LEADER_SIZE, sizeof (si_max_leader_size), &si_max_leader_size, NULL);
	arv_device_read_memory (device, sirm_offset + ARV_SI_PAYLOAD_SIZE, sizeof (si_payload_size), &si_payload_size, NULL);
	arv_device_read_memory (device, sirm_offset + ARV_SI_PAYLOAD_COUNT, sizeof (si_payload_count), &si_payload_count, NULL);
	arv_device_read_memory (device, sirm_offset + ARV_SI_TRANSFER1_SIZE, sizeof (si_transfer1_size), &si_transfer1_size, NULL);
	arv_device_read_memory (device, sirm_offset + ARV_SI_TRANSFER2_SIZE, sizeof (si_transfer2_size), &si_transfer2_size, NULL);
	arv_device_read_memory (device, sirm_offset + ARV_SI_MAX_TRAILER_SIZE, sizeof (si_max_trailer_size), &si_max_trailer_size, NULL);

	arv_debug_device ("SI_INFO =                  0x%08x", si_info);
	arv_debug_device ("SI_CONTROL =               0x%08x", si_control);
	arv_debug_device ("SI_REQ_PAYLOAD_SIZE =      0x%016lx", si_req_payload_size);
	arv_debug_device ("SI_REQ_LEADER_SIZE =       0x%08x", si_req_leader_size);
	arv_debug_device ("SI_REQ_TRAILER_SIZE =      0x%08x", si_req_trailer_size);
	arv_debug_device ("SI_MAX_LEADER_SIZE =       0x%08x", si_max_leader_size);
	arv_debug_device ("SI_PAYLOAD_SIZE =          0x%08x", si_payload_size);
	arv_debug_device ("SI_PAYLOAD_COUNT =         0x%08x", si_payload_count);
	arv_debug_device ("SI_TRANSFER1_SIZE =        0x%08x", si_transfer1_size);
	arv_debug_device ("SI_TRANSFER2_SIZE =        0x%08x", si_transfer2_size);
	arv_debug_device ("SI_MAX_TRAILER_SIZE =      0x%08x", si_max_trailer_size);

	arv_device_read_memory (device, manifest_table_address, sizeof (guint64), &manifest_n_entries, NULL);
	arv_device_read_memory (device, manifest_table_address + 0x08, sizeof (entry), &entry, NULL);

	arv_debug_device ("MANIFEST_N_ENTRIES =       0x%016lx", manifest_n_entries);

	string = g_string_new ("");
	arv_g_string_append_hex_dump (string, &entry, sizeof (entry));
	arv_debug_device ("MANIFEST ENTRY\n%s", string->str);
	g_string_free (string, TRUE);

	arv_debug_device ("genicam address =          0x%016lx", entry.address);
	arv_debug_device ("genicam size    =          0x%016lx", entry.size);

	data = g_malloc0 (entry.size);
	arv_device_read_memory (device, entry.address, entry.size, data, NULL);

#if 0
	string = g_string_new ("");
	arv_g_string_append_hex_dump (string, data, entry.size);
	arv_debug_device ("GENICAM\n%s", string->str);
	g_string_free (string, TRUE);
#endif

	schema_type = arv_uvcp_manifest_entry_get_schema_type (&entry);

	switch (schema_type) {
		case ARV_UVCP_SCHEMA_ZIP:
			{
				ArvZip *zip;
				const GSList *zip_files;

				zip = arv_zip_new (data, entry.size);
				zip_files = arv_zip_get_file_list (zip);

				if (zip_files != NULL) {
					const char *zip_filename;

					zip_filename = arv_zip_file_get_name (zip_files->data);
					uv_device->priv->genicam_xml = arv_zip_get_file (zip,
											 zip_filename,
											 &uv_device->priv->genicam_xml_size);

					arv_debug_device ("zip file = %s", zip_filename);

#if 0
					string = g_string_new ("");
					arv_g_string_append_hex_dump (string, uv_device->priv->genicam_xml,
								      uv_device->priv->genicam_xml_size);
					arv_debug_device ("GENICAM\n%s", string->str);
					g_string_free (string, TRUE);
#endif

					uv_device->priv->genicam = arv_gc_new (ARV_DEVICE (uv_device),
									       uv_device->priv->genicam_xml,
									       uv_device->priv->genicam_xml_size);
				}

				arv_zip_free (zip);
				g_free (data);
			}
			break;
		case ARV_UVCP_SCHEMA_RAW:
			{
				uv_device->priv->genicam_xml = data;
				uv_device->priv->genicam_xml_size = entry.size;
				uv_device->priv->genicam = arv_gc_new (ARV_DEVICE (uv_device),
								       uv_device->priv->genicam_xml,
								       uv_device->priv->genicam_xml_size);
			}
			break;
		default:
			arv_warning_device ("Unknown USB3Vision manifest schema type (%d)", schema_type);
	}

#if 0
	arv_debug_device("GENICAM\n:%s", uv_device->priv->genicam_xml);
#endif

}
Esempio n. 5
0
static gboolean
_write_memory (ArvUvDevice *uv_device, guint64 address, guint32 size, void *buffer, GError **error)
{
	ArvUvcpPacket *packet;
	void *read_packet;
	size_t packet_size;
	size_t read_packet_size;
	gboolean success = FALSE;
	unsigned n_tries = 0;
	guint32 timeout_ms = 0;

	read_packet_size = arv_uvcp_packet_get_write_memory_ack_size ();
	if (read_packet_size > uv_device->priv->ack_packet_size_max) {
		arv_debug_device ("Invalid acknowledge packet size (%d / max: %d)",
				  read_packet_size, uv_device->priv->ack_packet_size_max);
		return FALSE;
	}

	packet = arv_uvcp_packet_new_write_memory_cmd (address, size, 0, &packet_size);
	if (packet_size > uv_device->priv->cmd_packet_size_max) {
		arv_debug_device ("Invalid command packet size (%d / max: %d)", packet_size, uv_device->priv->cmd_packet_size_max);
		arv_uvcp_packet_free (packet);
		return FALSE;
	}

	memcpy (arv_uvcp_packet_get_write_memory_cmd_data (packet), buffer, size);
	read_packet = g_malloc (read_packet_size);

	do {
		GError *error = NULL;
		size_t transferred;

		uv_device->priv->packet_id = arv_uvcp_next_packet_id (uv_device->priv->packet_id);
		arv_uvcp_packet_set_packet_id (packet, uv_device->priv->packet_id);

		arv_uvcp_packet_debug (packet, ARV_DEBUG_LEVEL_LOG);

		success = TRUE;
		success = success && arv_uv_device_bulk_transfer (uv_device, ARV_UV_ENDPOINT_CONTROL, LIBUSB_ENDPOINT_OUT,
								  packet, packet_size, NULL, 0, &error);
		if (success ) {
			gboolean expected_answer;

			do {
				success = TRUE;
				success = success && arv_uv_device_bulk_transfer (uv_device, ARV_UV_ENDPOINT_CONTROL, LIBUSB_ENDPOINT_IN,
										  read_packet, read_packet_size, &transferred,
										  timeout_ms, &error);

				if (success) {
					ArvUvcpPacketType packet_type;
					ArvUvcpCommand command;
					guint16 packet_id;

					packet_type = arv_uvcp_packet_get_packet_type (read_packet);
					command = arv_uvcp_packet_get_command (read_packet);
					packet_id = arv_uvcp_packet_get_packet_id (read_packet);

					if (command == ARV_UVCP_COMMAND_PENDING_ACK) {
						expected_answer = FALSE;
						timeout_ms = arv_uvcp_packet_get_pending_ack_timeout (read_packet);

						arv_log_device ("[UvDevice::write_memory] Pending ack timeout = %d", timeout_ms);
					} else
						expected_answer = packet_type == ARV_UVCP_PACKET_TYPE_ACK &&
							command == ARV_UVCP_COMMAND_WRITE_MEMORY_ACK &&
							packet_id == uv_device->priv->packet_id;
				} else {
					expected_answer = FALSE;
					if (error != NULL)
						g_warning ("[UvDevice::write_memory] Ack reception error: %s", error->message);
					g_clear_error (&error);
				}

			} while (success && !expected_answer);

			success = success && expected_answer;

			if (success)
				arv_uvcp_packet_debug (read_packet, ARV_DEBUG_LEVEL_LOG);
		} else {
			if (error != NULL)
				g_warning ("[UvDevice::write_memory] Command sending error: %s", error->message);
			g_clear_error (&error);
		}

		n_tries++;
	} while (!success && n_tries < ARV_UV_DEVICE_N_TRIES_MAX);

	g_free (read_packet);
	arv_uvcp_packet_free (packet);

	if (!success) {
		if (error != NULL && *error == NULL)
			*error = g_error_new (ARV_DEVICE_ERROR, ARV_DEVICE_STATUS_TIMEOUT,
					      "[ArvDevice::write_memory] Timeout");
	}

	return success;
}
Esempio n. 6
0
void
handle_control_packet (ArvFakeGvCamera *gv_camera, GSocket *socket,
		       GSocketAddress *remote_address,
		       ArvGvcpPacket *packet, size_t size)
{
	ArvGvcpPacket *ack_packet = NULL;
	size_t ack_packet_size;
	guint32 block_address;
	guint32 block_size;
	guint16 packet_id;
	guint32 register_address;
	guint32 register_value;
	gboolean write_access;

	if (gv_camera->controller_address != NULL) {
		struct timespec time;
		guint64 elapsed_ms;

		clock_gettime (CLOCK_MONOTONIC, &time);

		elapsed_ms = 1000 * (time.tv_sec - gv_camera->controller_time.tv_sec) +
			(time.tv_nsec - gv_camera->controller_time.tv_nsec) / 1000000;

		if (elapsed_ms > arv_fake_camera_get_heartbeat_timeout (gv_camera->camera)) {
			g_object_ref (gv_camera->controller_address);
			gv_camera->controller_address = NULL;
			write_access = TRUE;
			arv_warning_device ("[FakeGvCamera::handle_control_packet] Heartbeat timeout");
			arv_fake_camera_set_control_channel_privilege (gv_camera->camera, 0);
		} else
			write_access = _g_inet_socket_address_is_equal
				(G_INET_SOCKET_ADDRESS (remote_address),
				 G_INET_SOCKET_ADDRESS (gv_camera->controller_address));
	} else
		write_access = TRUE;


	arv_gvcp_packet_debug (packet, ARV_DEBUG_LEVEL_LOG);

	packet_id = arv_gvcp_packet_get_packet_id (packet);

	switch (g_ntohs (packet->header.command)) {
		case ARV_GVCP_COMMAND_DISCOVERY_CMD:
			ack_packet = arv_gvcp_packet_new_discovery_ack (&ack_packet_size);
			arv_debug_device ("[FakeGvCamera::handle_control_packet] Discovery command");
			arv_fake_camera_read_memory (gv_camera->camera, 0, ARV_GVBS_DISCOVERY_DATA_SIZE,
						     &ack_packet->data);
			break;
		case ARV_GVCP_COMMAND_READ_MEMORY_CMD:
			arv_gvcp_packet_get_read_memory_cmd_infos (packet, &block_address, &block_size);
			arv_debug_device ("[FakeGvCamera::handle_control_packet] Read memory command %d (%d)",
					  block_address, block_size);
			ack_packet = arv_gvcp_packet_new_read_memory_ack (block_address, block_size,
									  packet_id, &ack_packet_size);
			arv_fake_camera_read_memory (gv_camera->camera, block_address, block_size,
						     arv_gvcp_packet_get_read_memory_ack_data (ack_packet));
			break;
		case ARV_GVCP_COMMAND_WRITE_MEMORY_CMD:
			if (!write_access)
				break;

			arv_gvcp_packet_get_write_memory_cmd_infos (packet, &block_address, &block_size);
			arv_debug_device ("[FakeGvCamera::handle_control_packet] Write memory command %d (%d)",
					  block_address, block_size);
			arv_fake_camera_write_memory (gv_camera->camera, block_address, block_size,
						      arv_gvcp_packet_get_write_memory_cmd_data (packet));
			ack_packet = arv_gvcp_packet_new_write_memory_ack (block_address, packet_id,
									   &ack_packet_size);
			break;
		case ARV_GVCP_COMMAND_READ_REGISTER_CMD:
			arv_gvcp_packet_get_read_register_cmd_infos (packet, &register_address);
			arv_fake_camera_read_register (gv_camera->camera, register_address, &register_value);
			arv_debug_device ("[FakeGvCamera::handle_control_packet] Read register command %d -> %d",
					  register_address, register_value);
			ack_packet = arv_gvcp_packet_new_read_register_ack (register_value, packet_id,
									    &ack_packet_size);

			if (register_address == ARV_GVBS_CONTROL_CHANNEL_PRIVILEGE_OFFSET)
				clock_gettime (CLOCK_MONOTONIC, &gv_camera->controller_time);

			break;
		case ARV_GVCP_COMMAND_WRITE_REGISTER_CMD:
			if (!write_access)
				break;

			arv_gvcp_packet_get_write_register_cmd_infos (packet, &register_address, &register_value);
			arv_fake_camera_write_register (gv_camera->camera, register_address, register_value);
			arv_debug_device ("[FakeGvCamera::handle_control_packet] Write register command %d -> %d",
				   register_address, register_value);
			ack_packet = arv_gvcp_packet_new_write_register_ack (register_value, packet_id,
									     &ack_packet_size);
			break;
		default:
			arv_warning_device ("[FakeGvCamera::handle_control_packet] Unknown command");
	}

	if (ack_packet != NULL) {
		g_socket_send_to (socket, remote_address, (char *) ack_packet, ack_packet_size, NULL, NULL);
		arv_gvcp_packet_debug (ack_packet, ARV_DEBUG_LEVEL_LOG);
		g_free (ack_packet);
	}

	if (gv_camera->controller_address == NULL &&
	    arv_fake_camera_get_control_channel_privilege (gv_camera->camera) != 0) {
		g_object_ref (remote_address);
		gv_camera->controller_address = remote_address;
		clock_gettime (CLOCK_MONOTONIC, &gv_camera->controller_time);
	}
}
Esempio n. 7
0
ArvFakeGvCamera *
arv_fake_gv_camera_new (const char *interface_name)
{
	ArvFakeGvCamera *gv_camera;
	struct ifaddrs *ifap = NULL;
	struct ifaddrs *ifap_iter;
	int return_value;
	gboolean interface_found = FALSE;
	gboolean binding_error = FALSE;

	g_return_val_if_fail (interface_name != NULL, NULL);

	gv_camera = g_new0 (ArvFakeGvCamera, 1);
	gv_camera->camera = arv_fake_camera_new ("GV01");

	return_value = getifaddrs (&ifap);
	if (return_value < 0) {
		g_warning ("[FakeGvCamera::new] No network interface found");
		return NULL;
	}

	for (ifap_iter = ifap ;ifap_iter != NULL && !interface_found; ifap_iter = ifap_iter->ifa_next) {
		if ((ifap_iter->ifa_flags & IFF_UP) != 0 &&
		    (ifap_iter->ifa_flags & IFF_POINTOPOINT) == 0 &&
		    (ifap_iter->ifa_addr->sa_family == AF_INET) &&
		    g_strcmp0 (ifap_iter->ifa_name, interface_name) == 0) {
			GSocketAddress *socket_address;
			GSocketAddress *inet_socket_address;
			GInetAddress *inet_address;
			char *gvcp_address_string;
			char *discovery_address_string;

			socket_address = g_socket_address_new_from_native (ifap_iter->ifa_addr,
									   sizeof (struct sockaddr));
			inet_address = g_inet_socket_address_get_address (G_INET_SOCKET_ADDRESS (socket_address));
			gvcp_address_string = g_inet_address_to_string (inet_address);
			arv_debug_device ("[FakeGvCamera::new] Interface address = %s", gvcp_address_string);

			inet_socket_address = g_inet_socket_address_new (inet_address, ARV_GVCP_PORT);
			gv_camera->gvcp_socket = g_socket_new (G_SOCKET_FAMILY_IPV4,
							       G_SOCKET_TYPE_DATAGRAM,
							       G_SOCKET_PROTOCOL_UDP, NULL);
			if (!g_socket_bind (gv_camera->gvcp_socket, inet_socket_address, FALSE, NULL))
				binding_error = TRUE;
			g_socket_set_blocking (gv_camera->gvcp_socket, FALSE);
			arv_fake_camera_set_inet_address (gv_camera->camera, inet_address);
			g_object_unref (inet_socket_address);

			inet_socket_address = g_inet_socket_address_new (inet_address, 0);
			gv_camera->gvsp_socket = g_socket_new (G_SOCKET_FAMILY_IPV4,
							       G_SOCKET_TYPE_DATAGRAM,
							       G_SOCKET_PROTOCOL_UDP, NULL);
			if (!g_socket_bind (gv_camera->gvsp_socket, inet_socket_address, FALSE, NULL))
				binding_error = TRUE;
			g_object_unref (inet_socket_address);

			g_object_unref (socket_address);

			socket_address = g_socket_address_new_from_native (ifap_iter->ifa_broadaddr,
									   sizeof (struct sockaddr));
			inet_address = g_inet_socket_address_get_address (G_INET_SOCKET_ADDRESS (socket_address));
			discovery_address_string = g_inet_address_to_string (inet_address);
			arv_debug_device ("[FakeGvCamera::new] Discovery address = %s", discovery_address_string);
			inet_socket_address = g_inet_socket_address_new (inet_address, ARV_GVCP_PORT);
			if (g_strcmp0 (gvcp_address_string, discovery_address_string) == 0)
				gv_camera->discovery_socket = NULL;
			else {
				gv_camera->discovery_socket = g_socket_new (G_SOCKET_FAMILY_IPV4,
									    G_SOCKET_TYPE_DATAGRAM,
									    G_SOCKET_PROTOCOL_UDP, NULL);
				if (!g_socket_bind (gv_camera->discovery_socket, inet_socket_address, FALSE, NULL))
					binding_error = TRUE;
				g_socket_set_blocking (gv_camera->discovery_socket, FALSE);
			}
			g_object_unref (inet_socket_address);
			g_object_unref (socket_address);

			g_free (gvcp_address_string);
			g_free (discovery_address_string);

			gv_camera->gvcp_fds[0].fd = g_socket_get_fd (gv_camera->gvcp_socket);
			gv_camera->gvcp_fds[0].events = G_IO_IN;
			gv_camera->gvcp_fds[0].revents = 0;
			if (gv_camera->discovery_socket != NULL) {
				gv_camera->gvcp_fds[1].fd = g_socket_get_fd (gv_camera->discovery_socket);
				gv_camera->gvcp_fds[1].events = G_IO_IN;
				gv_camera->gvcp_fds[1].revents = 0;
				gv_camera->n_gvcp_fds = 2;
			} else
				gv_camera->n_gvcp_fds = 1;

			interface_found = TRUE;
		}
	}

	freeifaddrs (ifap);

	if (binding_error)
		goto BINDING_ERROR;

	if (!interface_found)
		goto INTERFACE_ERROR;

	gv_camera->cancel = FALSE;
	gv_camera->gvsp_thread = arv_g_thread_new ("arv_fake_gv_camera", arv_fake_gv_camera_thread, gv_camera);

	return gv_camera;

BINDING_ERROR:

	g_object_unref (gv_camera->gvcp_socket);
	if (gv_camera->discovery_socket != NULL)
		g_object_unref (gv_camera->discovery_socket);
	g_object_unref (gv_camera->gvsp_socket);

INTERFACE_ERROR:
	g_object_unref (gv_camera->camera);
	g_free (gv_camera);

	return NULL;
}
Esempio n. 8
0
gboolean
handle_control_packet (ArvGvFakeCamera *gv_fake_camera, GSocket *socket,
		       GSocketAddress *remote_address,
		       ArvGvcpPacket *packet, size_t size)
{
	ArvGvcpPacket *ack_packet = NULL;
	size_t ack_packet_size;
	guint32 block_address;
	guint32 block_size;
	guint16 packet_id;
	guint16 packet_type;
	guint32 register_address;
	guint32 register_value;
	gboolean write_access;
	gboolean success = FALSE;

	if (gv_fake_camera->priv->controller_address != NULL) {
		gint64 time;
		guint64 elapsed_ms;

		time = g_get_real_time ();

		elapsed_ms = (time - gv_fake_camera->priv->controller_time) / 1000;

		if (elapsed_ms > arv_fake_camera_get_heartbeat_timeout (gv_fake_camera->priv->camera)) {
			g_object_unref (gv_fake_camera->priv->controller_address);
			gv_fake_camera->priv->controller_address = NULL;
			write_access = TRUE;
			arv_warning_device ("[GvFakeCamera::handle_control_packet] Heartbeat timeout");
			arv_fake_camera_set_control_channel_privilege (gv_fake_camera->priv->camera, 0);
		} else
			write_access = _g_inet_socket_address_is_equal
				(G_INET_SOCKET_ADDRESS (remote_address),
				 G_INET_SOCKET_ADDRESS (gv_fake_camera->priv->controller_address));
	} else
		write_access = TRUE;


	arv_gvcp_packet_debug (packet, ARV_DEBUG_LEVEL_LOG);

	packet_id = arv_gvcp_packet_get_packet_id (packet);
	packet_type = arv_gvcp_packet_get_packet_type (packet);

	if (packet_type != ARV_GVCP_PACKET_TYPE_CMD) {
		arv_warning_device ("[GvFakeCamera::handle_control_packet] Unknown packet type");
		return FALSE;
	}

	switch (g_ntohs (packet->header.command)) {
		case ARV_GVCP_COMMAND_DISCOVERY_CMD:
			ack_packet = arv_gvcp_packet_new_discovery_ack (&ack_packet_size);
			arv_debug_device ("[GvFakeCamera::handle_control_packet] Discovery command");
			arv_fake_camera_read_memory (gv_fake_camera->priv->camera, 0, ARV_GVBS_DISCOVERY_DATA_SIZE,
						     &ack_packet->data);
			break;
		case ARV_GVCP_COMMAND_READ_MEMORY_CMD:
			arv_gvcp_packet_get_read_memory_cmd_infos (packet, &block_address, &block_size);
			arv_debug_device ("[GvFakeCamera::handle_control_packet] Read memory command %d (%d)",
					  block_address, block_size);
			ack_packet = arv_gvcp_packet_new_read_memory_ack (block_address, block_size,
									  packet_id, &ack_packet_size);
			arv_fake_camera_read_memory (gv_fake_camera->priv->camera, block_address, block_size,
						     arv_gvcp_packet_get_read_memory_ack_data (ack_packet));
			break;
		case ARV_GVCP_COMMAND_WRITE_MEMORY_CMD:
			arv_gvcp_packet_get_write_memory_cmd_infos (packet, &block_address, &block_size);
			if (!write_access) {
				arv_warning_device("[GvFakeCamera::handle_control_packet] Ignore Write memory command %d (%d) not controller",
					block_address, block_size);
				break;
			}

			arv_debug_device ("[GvFakeCamera::handle_control_packet] Write memory command %d (%d)",
					  block_address, block_size);
			arv_fake_camera_write_memory (gv_fake_camera->priv->camera, block_address, block_size,
						      arv_gvcp_packet_get_write_memory_cmd_data (packet));
			ack_packet = arv_gvcp_packet_new_write_memory_ack (block_address, packet_id,
									   &ack_packet_size);
			break;
		case ARV_GVCP_COMMAND_READ_REGISTER_CMD:
			arv_gvcp_packet_get_read_register_cmd_infos (packet, &register_address);
			arv_fake_camera_read_register (gv_fake_camera->priv->camera, register_address, &register_value);
			arv_debug_device ("[GvFakeCamera::handle_control_packet] Read register command %d -> %d",
					  register_address, register_value);
			ack_packet = arv_gvcp_packet_new_read_register_ack (register_value, packet_id,
									    &ack_packet_size);

			if (register_address == ARV_GVBS_CONTROL_CHANNEL_PRIVILEGE_OFFSET)
				gv_fake_camera->priv->controller_time = g_get_real_time ();

			break;
		case ARV_GVCP_COMMAND_WRITE_REGISTER_CMD:
			arv_gvcp_packet_get_write_register_cmd_infos (packet, &register_address, &register_value);
			if (!write_access) {
				arv_warning_device("[GvFakeCamera::handle_control_packet] Ignore Write register command %d (%d) not controller",
					register_address, register_value);
				break;
			}

			arv_fake_camera_write_register (gv_fake_camera->priv->camera, register_address, register_value);
			arv_debug_device ("[GvFakeCamera::handle_control_packet] Write register command %d -> %d",
					  register_address, register_value);
			ack_packet = arv_gvcp_packet_new_write_register_ack (1, packet_id,
									     &ack_packet_size);
			break;
		default:
			arv_warning_device ("[GvFakeCamera::handle_control_packet] Unknown command");
	}

	if (ack_packet != NULL) {
		g_socket_send_to (socket, remote_address, (char *) ack_packet, ack_packet_size, NULL, NULL);
		arv_gvcp_packet_debug (ack_packet, ARV_DEBUG_LEVEL_LOG);
		g_free (ack_packet);

		success = TRUE;
	}

	if (gv_fake_camera->priv->controller_address == NULL &&
	    arv_fake_camera_get_control_channel_privilege (gv_fake_camera->priv->camera) != 0) {
		g_object_ref (remote_address);
		arv_debug_device("[GvFakeCamera::handle_control_packet] New controller");
		gv_fake_camera->priv->controller_address = remote_address;
		gv_fake_camera->priv->controller_time = g_get_real_time ();
	}
	else if (gv_fake_camera->priv->controller_address != NULL &&
	    arv_fake_camera_get_control_channel_privilege (gv_fake_camera->priv->camera) == 0) {
		g_object_unref (gv_fake_camera->priv->controller_address);
		arv_debug_device("[GvFakeCamera::handle_control_packet] Controller releases");
		gv_fake_camera->priv->controller_address = NULL;
		gv_fake_camera->priv->controller_time = g_get_real_time ();
	}

	return success;
}
Esempio n. 9
0
gboolean
arv_gv_fake_camera_start (ArvGvFakeCamera *gv_fake_camera)
{
	struct ifaddrs *ifap = NULL;
	struct ifaddrs *ifap_iter;
	int return_value;
	gboolean interface_found = FALSE;
	gboolean binding_error = FALSE;

	g_return_val_if_fail (ARV_IS_GV_FAKE_CAMERA (gv_fake_camera), FALSE);

	return_value = getifaddrs (&ifap);
	if (return_value < 0) {
		arv_warning_device ("[GvFakeCamera::start] No network interface found");
		return FALSE;
	}

	for (ifap_iter = ifap ;ifap_iter != NULL && !interface_found; ifap_iter = ifap_iter->ifa_next) {
		if ((ifap_iter->ifa_flags & IFF_UP) != 0 &&
		    (ifap_iter->ifa_flags & IFF_POINTOPOINT) == 0 &&
		    (ifap_iter->ifa_addr->sa_family == AF_INET) &&
		    g_strcmp0 (ifap_iter->ifa_name, gv_fake_camera->priv->interface_name) == 0) {
			GSocketAddress *socket_address;
			GSocketAddress *inet_socket_address;
			GInetAddress *inet_address;
			char *gvcp_address_string;
			char *discovery_address_string;

			socket_address = g_socket_address_new_from_native (ifap_iter->ifa_addr,
									   sizeof (struct sockaddr));
			inet_address = g_inet_socket_address_get_address (G_INET_SOCKET_ADDRESS (socket_address));
			gvcp_address_string = g_inet_address_to_string (inet_address);
			arv_debug_device ("[GvFakeCamera::start] Interface address = %s", gvcp_address_string);

			inet_socket_address = g_inet_socket_address_new (inet_address, ARV_GVCP_PORT);
			gv_fake_camera->priv->gvcp_socket = g_socket_new (G_SOCKET_FAMILY_IPV4,
							       G_SOCKET_TYPE_DATAGRAM,
							       G_SOCKET_PROTOCOL_UDP, NULL);
			if (!g_socket_bind (gv_fake_camera->priv->gvcp_socket, inet_socket_address, FALSE, NULL))
				binding_error = TRUE;
			g_socket_set_blocking (gv_fake_camera->priv->gvcp_socket, FALSE);
			arv_fake_camera_set_inet_address (gv_fake_camera->priv->camera, inet_address);
			g_object_unref (inet_socket_address);

			inet_socket_address = g_inet_socket_address_new (inet_address, 0);
			gv_fake_camera->priv->gvsp_socket = g_socket_new (G_SOCKET_FAMILY_IPV4,
							       G_SOCKET_TYPE_DATAGRAM,
							       G_SOCKET_PROTOCOL_UDP, NULL);
			if (!g_socket_bind (gv_fake_camera->priv->gvsp_socket, inet_socket_address, FALSE, NULL))
				binding_error = TRUE;

			g_clear_object (&inet_socket_address);
			g_clear_object (&socket_address);

			inet_address = g_inet_address_new_from_string ("255.255.255.255");
			discovery_address_string = g_inet_address_to_string (inet_address);
			arv_debug_device ("[GvFakeCamera::start] Discovery address = %s", discovery_address_string);
			inet_socket_address = g_inet_socket_address_new (inet_address, ARV_GVCP_PORT);
			if (g_strcmp0 (gvcp_address_string, discovery_address_string) == 0)
				gv_fake_camera->priv->discovery_socket = NULL;
			else {
				gv_fake_camera->priv->discovery_socket = g_socket_new (G_SOCKET_FAMILY_IPV4,
									    G_SOCKET_TYPE_DATAGRAM,
									    G_SOCKET_PROTOCOL_UDP, NULL);
				if (!g_socket_bind (gv_fake_camera->priv->discovery_socket, inet_socket_address, FALSE, NULL))
					binding_error = TRUE;
				g_socket_set_blocking (gv_fake_camera->priv->discovery_socket, FALSE);
			}
			g_clear_object (&inet_socket_address);
			g_clear_object (&inet_address);

			g_free (gvcp_address_string);
			g_free (discovery_address_string);

			gv_fake_camera->priv->gvcp_fds[0].fd = g_socket_get_fd (gv_fake_camera->priv->gvcp_socket);
			gv_fake_camera->priv->gvcp_fds[0].events = G_IO_IN;
			gv_fake_camera->priv->gvcp_fds[0].revents = 0;
			if (gv_fake_camera->priv->discovery_socket != NULL) {
				gv_fake_camera->priv->gvcp_fds[1].fd = g_socket_get_fd (gv_fake_camera->priv->discovery_socket);
				gv_fake_camera->priv->gvcp_fds[1].events = G_IO_IN;
				gv_fake_camera->priv->gvcp_fds[1].revents = 0;
				gv_fake_camera->priv->n_gvcp_fds = 2;
			} else
				gv_fake_camera->priv->n_gvcp_fds = 1;

			interface_found = TRUE;
		}
	}

	freeifaddrs (ifap);

	if (binding_error) {
		g_clear_object (&gv_fake_camera->priv->gvcp_socket);
		g_clear_object (&gv_fake_camera->priv->gvsp_socket);
		g_clear_object (&gv_fake_camera->priv->discovery_socket);

		return FALSE;
	}

	if (!interface_found) {
		return FALSE;
	}

	gv_fake_camera->priv->cancel = FALSE;
	gv_fake_camera->priv->thread = g_thread_new ("arv_fake_gv_fake_camera", _thread, gv_fake_camera);

	return TRUE;
}
Esempio n. 10
0
void *
_thread (void *user_data)
{
	ArvGvFakeCamera *gv_fake_camera = user_data;
	ArvBuffer *image_buffer = NULL;
	GError *error = NULL;
	GSocketAddress *stream_address = NULL;
	void *packet_buffer;
	size_t packet_size;
	size_t payload = 0;
	guint16 block_id;
	ptrdiff_t offset;
	guint32 gv_packet_size;
	GInputVector input_vector;
	int n_events;
	gboolean is_streaming = FALSE;

	input_vector.buffer = g_malloc0 (ARV_GV_FAKE_CAMERA_BUFFER_SIZE);
	input_vector.size = ARV_GV_FAKE_CAMERA_BUFFER_SIZE;

	packet_buffer = g_malloc (ARV_GV_FAKE_CAMERA_BUFFER_SIZE);

	do {
		guint64 next_timestamp_us;
		guint64 sleep_time_us;

		if (is_streaming) {
			sleep_time_us = arv_fake_camera_get_sleep_time_for_next_frame (gv_fake_camera->priv->camera, &next_timestamp_us);
		} else {
			sleep_time_us = 100000;
			next_timestamp_us = g_get_real_time () + sleep_time_us;
		}

		do {
			gint timeout_ms;

			timeout_ms = MIN (100, (next_timestamp_us - g_get_real_time ()) / 1000LL);
			if (timeout_ms < 0)
				timeout_ms = 0;

			n_events = g_poll (gv_fake_camera->priv->gvcp_fds, 2, timeout_ms);
			if (n_events > 0) {
				GSocketAddress *remote_address = NULL;
				int count;

				count = g_socket_receive_message (gv_fake_camera->priv->gvcp_socket,
								  &remote_address, &input_vector, 1, NULL, NULL,
								  NULL, NULL, NULL);
				if (count > 0) {
					if (handle_control_packet (gv_fake_camera, gv_fake_camera->priv->gvcp_socket,
								   remote_address, input_vector.buffer, count))
						arv_debug_device ("[GvFakeCamera::thread] Control packet received");
				}
				g_clear_object (&remote_address);

				if (gv_fake_camera->priv->discovery_socket != NULL) {
					count = g_socket_receive_message (gv_fake_camera->priv->discovery_socket,
									  &remote_address, &input_vector, 1, NULL, NULL,
									  NULL, NULL, NULL);
					if (count > 0) {
						if (handle_control_packet (gv_fake_camera, gv_fake_camera->priv->discovery_socket,
									   remote_address, input_vector.buffer, count))
							arv_debug_device ("[GvFakeCamera::thread]"
									  " Control packet received on discovery socket\n");
					}
					g_clear_object (&remote_address);
				}

				if (arv_fake_camera_get_control_channel_privilege (gv_fake_camera->priv->camera) == 0 ||
				    arv_fake_camera_get_acquisition_status (gv_fake_camera->priv->camera) == 0) {
					if (stream_address != NULL) {
						g_object_unref (stream_address);
						stream_address = NULL;
						g_object_unref (image_buffer);
						image_buffer = NULL;
						arv_debug_stream_thread ("[GvFakeCamera::thread] Stop stream");
					}
					is_streaming = FALSE;
				}
			}
		} while (!g_atomic_int_get (&gv_fake_camera->priv->cancel) && g_get_real_time () < next_timestamp_us);

		if (arv_fake_camera_get_control_channel_privilege (gv_fake_camera->priv->camera) != 0 &&
		    arv_fake_camera_get_acquisition_status (gv_fake_camera->priv->camera) != 0) {
			if (stream_address == NULL) {
				GInetAddress *inet_address;
				char *inet_address_string;

				stream_address = arv_fake_camera_get_stream_address (gv_fake_camera->priv->camera);
				inet_address = g_inet_socket_address_get_address
					(G_INET_SOCKET_ADDRESS (stream_address));
				inet_address_string = g_inet_address_to_string (inet_address);
				arv_debug_stream_thread ("[GvFakeCamera::thread] Start stream to %s (%d)",
							 inet_address_string,
							 g_inet_socket_address_get_port
							 (G_INET_SOCKET_ADDRESS (stream_address)));
				g_free (inet_address_string);

				payload = arv_fake_camera_get_payload (gv_fake_camera->priv->camera);
				image_buffer = arv_buffer_new (payload, NULL);
			}

			arv_fake_camera_fill_buffer (gv_fake_camera->priv->camera, image_buffer, &gv_packet_size);

			arv_debug_stream_thread ("[GvFakeCamera::thread] Send frame %d", image_buffer->priv->frame_id);

			block_id = 0;

			packet_size = ARV_GV_FAKE_CAMERA_BUFFER_SIZE;
			arv_gvsp_packet_new_data_leader (image_buffer->priv->frame_id,
							 block_id,
							 image_buffer->priv->timestamp_ns,
							 image_buffer->priv->pixel_format,
							 image_buffer->priv->width, image_buffer->priv->height,
							 image_buffer->priv->x_offset, image_buffer->priv->y_offset,
							 packet_buffer, &packet_size);

			g_socket_send_to (gv_fake_camera->priv->gvsp_socket, stream_address,
					  packet_buffer, packet_size, NULL, &error);
			if (error != NULL) {
				arv_warning_stream_thread ("[GvFakeCamera::thread] Failed to send leader for frame %d: %s",
							   image_buffer->priv->frame_id, error->message);
				g_clear_error (&error);
			}

			block_id++;

			offset = 0;
			while (offset < payload) {
				size_t data_size;

				data_size = MIN (gv_packet_size - ARV_GVSP_PACKET_PROTOCOL_OVERHEAD,
						 payload - offset);

				packet_size = ARV_GV_FAKE_CAMERA_BUFFER_SIZE;
				arv_gvsp_packet_new_data_block (image_buffer->priv->frame_id, block_id,
								data_size, ((char *) image_buffer->priv->data) + offset,
								packet_buffer, &packet_size);

				g_socket_send_to (gv_fake_camera->priv->gvsp_socket, stream_address,
						  packet_buffer, packet_size, NULL, &error);
				if (error != NULL) {
					arv_debug_stream_thread ("[GvFakeCamera::thread] Failed to send frame block %d for frame: %s",
								 block_id,
								 image_buffer->priv->frame_id,
								 error->message);
					g_clear_error (&error);
				}

				offset += data_size;
				block_id++;
			}

			packet_size = ARV_GV_FAKE_CAMERA_BUFFER_SIZE;
			arv_gvsp_packet_new_data_trailer (image_buffer->priv->frame_id, block_id,
							  packet_buffer, &packet_size);

			g_socket_send_to (gv_fake_camera->priv->gvsp_socket, stream_address,
					  packet_buffer, packet_size, NULL, &error);
			if (error != NULL) {
				arv_debug_stream_thread ("[GvFakeCamera::thread] Failed to send trailer for frame %d: %s",
							 image_buffer->priv->frame_id,
							 error->message);
				g_clear_error (&error);
			}

			is_streaming = TRUE;
		}

	} while (!g_atomic_int_get (&gv_fake_camera->priv->cancel));

	if (stream_address != NULL)
		g_object_unref (stream_address);
	if (image_buffer != NULL)
		g_object_unref (image_buffer);

	g_free (packet_buffer);
	g_free (input_vector.buffer);

	return NULL;
}
Esempio n. 11
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static char *
_load_genicam (ArvGvDevice *gv_device, guint32 address, size_t  *size)
{
	char filename[ARV_GVBS_XML_URL_SIZE];
	char **tokens;
	char *genicam = NULL;

	g_return_val_if_fail (size != NULL, NULL);

	*size = 0;

	if (!arv_device_read_memory (ARV_DEVICE (gv_device), address, ARV_GVBS_XML_URL_SIZE, filename, NULL))
		return NULL;

	filename[ARV_GVBS_XML_URL_SIZE - 1] = '\0';

	arv_debug_device ("[GvDevice::load_genicam] xml url = '%s' at 0x%x", filename, address);

	tokens = g_regex_split (arv_gv_device_get_url_regex (), filename, 0);

	if (tokens[0] != NULL) {
		if (g_strcmp0 (tokens[1], "File:") == 0)
			g_file_get_contents (filename, &genicam, NULL, NULL);
		else if (g_strcmp0 (tokens[1], "Local:") == 0 &&
			 tokens[2] != NULL &&
			 tokens[3] != NULL &&
			 tokens[4] != NULL) {
			guint32 file_address;
			guint32 file_size;

			file_address = strtoul (tokens[3], NULL, 16);
			file_size = strtoul (tokens[4], NULL, 16);

			arv_debug_device ("[GvDevice::load_genicam] Xml address = 0x%x - size = 0x%x - %s",
					  file_address, file_size, tokens[2]);

			if (file_size > 0) {
				genicam = g_malloc (file_size);
				if (arv_device_read_memory (ARV_DEVICE (gv_device), file_address, file_size,
							    genicam, NULL)) {
					genicam [file_size - 1] = '\0';

					if (g_str_has_suffix (tokens[2], ".zip")) {
						ArvZip *zip;
						const GSList *zip_files;

						arv_debug_device ("[GvDevice::load_genicam] Zipped xml data");

						zip = arv_zip_new (genicam, file_size);
						zip_files = arv_zip_get_file_list (zip);

						if (zip_files != NULL) {
							const char *zip_filename;
							void *tmp_buffer;
							size_t tmp_buffer_size;

							zip_filename = arv_zip_file_get_name (zip_files->data);
							tmp_buffer = arv_zip_get_file (zip, zip_filename,
										       &tmp_buffer_size);

							g_free (genicam);
							file_size = tmp_buffer_size;
							genicam = tmp_buffer;
						} else
							arv_warning_device ("[GvDevice::load_genicam] Invalid format");
						arv_zip_free (zip);
					}
					*size = file_size;
				} else {
					g_free (genicam);
					genicam = NULL;
					*size = 0;
				}
			}
		}
	}

	g_strfreev (tokens);

	return genicam;
}
Esempio n. 12
0
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);
}