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;
}
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;
}
