C++ NM_MODEM_GET_PRIVATE函数代码示例

const char *
nm_modem_get_data_port (NMModem *self)
{
	g_return_val_if_fail (NM_IS_MODEM (self), NULL);

	/* The ppp_iface takes precedence over the data interface when PPP is used,
	 * since data_iface is the TTY over which PPP is run, and that TTY can't
	 * do IP.  The caller really wants the thing that's doing IP.
	 */
	return NM_MODEM_GET_PRIVATE (self)->ppp_iface ?
		NM_MODEM_GET_PRIVATE (self)->ppp_iface : NM_MODEM_GET_PRIVATE (self)->data_port;
}

static void
cancel_get_secrets (NMModem *self)
{
	NMModemPrivate *priv = NM_MODEM_GET_PRIVATE (self);

	nm_act_request_cancel_secrets (priv->act_request, priv->secrets_id);
}

static void
set_property (GObject *object, guint prop_id,
              const GValue *value, GParamSpec *pspec)
{
	NMModemPrivate *priv = NM_MODEM_GET_PRIVATE (object);
	const char *s;

	switch (prop_id) {
	case PROP_PATH:
		/* Construct only */
		priv->path = g_value_dup_string (value);
		break;
	case PROP_DRIVER:
		/* Construct only */
		priv->driver = g_value_dup_string (value);
		break;
	case PROP_CONTROL_PORT:
		priv->control_port = g_value_dup_string (value);
		break;
	case PROP_DATA_PORT:
		priv->data_port = g_value_dup_string (value);
		break;
	case PROP_UID:
		/* Construct only */
		priv->uid = g_value_dup_string (value);
		break;
	case PROP_IP4_METHOD:
		priv->ip4_method = g_value_get_uint (value);
		break;
	case PROP_IP6_METHOD:
		priv->ip6_method = g_value_get_uint (value);
		break;
	case PROP_IP_TIMEOUT:
		priv->mm_ip_timeout = g_value_get_uint (value);
		break;
	case PROP_STATE:
		priv->state = g_value_get_enum (value);
		break;
	case PROP_DEVICE_ID:
		/* construct only */
		priv->device_id = g_value_dup_string (value);
		break;
	case PROP_SIM_ID:
		g_free (priv->sim_id);
		priv->sim_id = g_value_dup_string (value);
		break;
	case PROP_IP_TYPES:
		priv->ip_types = g_value_get_uint (value);
		break;
	case PROP_SIM_OPERATOR_ID:
		g_clear_pointer (&priv->sim_operator_id, g_free);
		s = g_value_get_string (value);
		if (s && s[0])
			priv->sim_operator_id = g_strdup (s);
		break;
	default:
		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
		break;
	}
}

void
nm_modem_emit_ip6_config_result (NMModem *self,
                                 NMIP6Config *config,
                                 GError *error)
{
	NMModemPrivate *priv = NM_MODEM_GET_PRIVATE (self);
	guint i, num;
	gboolean do_slaac = TRUE;

	if (error) {
		g_signal_emit (self, signals[IP6_CONFIG_RESULT], 0, NULL, FALSE, error);
		return;
	}

	if (config) {
		/* If the IPv6 configuration only included a Link-Local address, then
		 * we have to run SLAAC to get the full IPv6 configuration.
		 */
		num = nm_ip6_config_get_num_addresses (config);
		g_assert (num > 0);
		for (i = 0; i < num; i++) {
			const NMPlatformIP6Address * addr = nm_ip6_config_get_address (config, i);

			if (IN6_IS_ADDR_LINKLOCAL (&addr->address)) {
				if (!priv->iid.id)
					priv->iid.id = ((guint64 *)(&addr->address.s6_addr))[1];
			} else
				do_slaac = FALSE;
		}
	}
	g_assert (config || do_slaac);

	g_signal_emit (self, signals[IP6_CONFIG_RESULT], 0, config, do_slaac, NULL);
}

static GObject*
constructor (GType type,
             guint n_construct_params,
             GObjectConstructParam *construct_params)
{
	GObject *object;
	NMModemPrivate *priv;

	object = G_OBJECT_CLASS (nm_modem_parent_class)->constructor (type,
	                                                              n_construct_params,
	                                                              construct_params);
	if (!object)
		return NULL;

	priv = NM_MODEM_GET_PRIVATE (object);

	if (!priv->data_port && !priv->control_port) {
		nm_log_err (LOGD_HW, "neither modem command nor data interface provided");
		goto err;
	}

	if (!priv->path) {
		nm_log_err (LOGD_HW, "D-Bus path not provided");
		goto err;
	}

	return object;

err:
	g_object_unref (object);
	return NULL;
}

const char *
nm_modem_get_control_port (NMModem *self)
{
	g_return_val_if_fail (NM_IS_MODEM (self), NULL);

	return NM_MODEM_GET_PRIVATE (self)->control_port;
}

const char *
nm_modem_get_driver (NMModem *self)
{
	g_return_val_if_fail (NM_IS_MODEM (self), NULL);

	return NM_MODEM_GET_PRIVATE (self)->driver;
}

gboolean
nm_modem_get_iid (NMModem *self, NMUtilsIPv6IfaceId *out_iid)
{
	g_return_val_if_fail (NM_IS_MODEM (self), FALSE);

	*out_iid = NM_MODEM_GET_PRIVATE (self)->iid;
	return TRUE;
}

static void
ppp_ip4_config (NMPPPManager *ppp_manager,
				const char *iface,
				NMIP4Config *config,
				gpointer user_data)
{
	NMModem *self = NM_MODEM (user_data);
	NMModemPrivate *priv = NM_MODEM_GET_PRIVATE (self);
	guint32 i, num;
	guint32 bad_dns1 = htonl (0x0A0B0C0D);
	guint32 good_dns1 = htonl (0x04020201);  /* GTE nameserver */
	guint32 bad_dns2 = htonl (0x0A0B0C0E);
	guint32 good_dns2 = htonl (0x04020202);  /* GTE nameserver */
	gboolean dns_workaround = FALSE;

	/* Notify about the new data port to use */
	g_free (priv->ppp_iface);
	priv->ppp_iface = g_strdup (iface);
	g_object_notify (G_OBJECT (self), NM_MODEM_DATA_PORT);

	/* Work around a PPP bug (#1732) which causes many mobile broadband
	 * providers to return 10.11.12.13 and 10.11.12.14 for the DNS servers.
	 * Apparently fixed in ppp-2.4.5 but we've had some reports that this is
	 * not the case.
	 *
	 * http://git.ozlabs.org/?p=ppp.git;a=commitdiff_plain;h=2e09ef6886bbf00bc5a9a641110f801e372ffde6
	 * http://git.ozlabs.org/?p=ppp.git;a=commitdiff_plain;h=f8191bf07df374f119a07910a79217c7618f113e
	 */

	num = nm_ip4_config_get_num_nameservers (config);
	if (num == 2) {
		gboolean found1 = FALSE, found2 = FALSE;

		for (i = 0; i < num; i++) {
			guint32 ns = nm_ip4_config_get_nameserver (config, i);

			if (ns == bad_dns1)
				found1 = TRUE;
			else if (ns == bad_dns2)
				found2 = TRUE;
		}

		/* Be somewhat conservative about substitutions; the "bad" nameservers
		 * could actually be valid in some cases, so only substitute if ppp
		 * returns *only* the two bad nameservers.
		 */
		dns_workaround = (found1 && found2);
	}

	if (!num || dns_workaround) {
		nm_log_warn (LOGD_PPP, "compensating for invalid PPP-provided nameservers");
		nm_ip4_config_reset_nameservers (config);
		nm_ip4_config_add_nameserver (config, good_dns1);
		nm_ip4_config_add_nameserver (config, good_dns2);
	}

	g_signal_emit (self, signals[IP4_CONFIG_RESULT], 0, config, NULL);
}

void
nm_modem_set_prev_state (NMModem *self, const char *reason)
{
	NMModemPrivate *priv = NM_MODEM_GET_PRIVATE (self);

	/* Reset modem to previous state if the state hasn't already changed */
	if (priv->prev_state != NM_MODEM_STATE_UNKNOWN)
		nm_modem_set_state (self, priv->prev_state, reason);
}

static void
deactivate_step (DeactivateContext *ctx)
{
	NMModemPrivate *priv = NM_MODEM_GET_PRIVATE (ctx->self);
	GError *error = NULL;

	/* Check cancellable in each step */
	if (g_cancellable_set_error_if_cancelled (ctx->cancellable, &error)) {
		g_simple_async_result_take_error (ctx->result, error);
		deactivate_context_complete (ctx);
		return;
	}

	switch (ctx->step) {
	case DEACTIVATE_CONTEXT_STEP_FIRST:
		ctx->step++;
		/* Fall down */

	case DEACTIVATE_CONTEXT_STEP_CLEANUP:
		/* Make sure we keep a ref to the PPP manager if there is one */
		if (priv->ppp_manager)
			ctx->ppp_manager = g_object_ref (priv->ppp_manager);
		/* Run cleanup */
		NM_MODEM_GET_CLASS (ctx->self)->deactivate_cleanup (ctx->self, ctx->device);
		ctx->step++;
		/* Fall down */

	case DEACTIVATE_CONTEXT_STEP_PPP_MANAGER_STOP:
		/* If we have a PPP manager, stop it */
		if (ctx->ppp_manager) {
			nm_ppp_manager_stop (ctx->ppp_manager,
			                     ctx->cancellable,
			                     (GAsyncReadyCallback) ppp_manager_stop_ready,
			                     ctx);
			return;
		}
		ctx->step++;
		/* Fall down */

	case DEACTIVATE_CONTEXT_STEP_MM_DISCONNECT:
		/* Disconnect asynchronously */
		NM_MODEM_GET_CLASS (ctx->self)->disconnect (ctx->self,
		                                            FALSE,
		                                            ctx->cancellable,
		                                            (GAsyncReadyCallback) disconnect_ready,
		                                            ctx);
		return;

	case DEACTIVATE_CONTEXT_STEP_LAST:
		nm_log_dbg (LOGD_MB, "(%s): modem deactivation finished",
		            nm_modem_get_uid (ctx->self));
		deactivate_context_complete (ctx);
		return;
	}

	g_assert_not_reached ();
}

NMActStageReturn
nm_modem_stage3_ip4_config_start (NMModem *self,
                                  NMDevice *device,
                                  NMDeviceClass *device_class,
                                  NMDeviceStateReason *reason)
{
	NMModemPrivate *priv;
	NMActRequest *req;
	NMConnection *connection;
	const char *method;
	NMActStageReturn ret;

	g_return_val_if_fail (NM_IS_MODEM (self), NM_ACT_STAGE_RETURN_FAILURE);
	g_return_val_if_fail (NM_IS_DEVICE (device), NM_ACT_STAGE_RETURN_FAILURE);
	g_return_val_if_fail (NM_IS_DEVICE_CLASS (device_class), NM_ACT_STAGE_RETURN_FAILURE);
	g_return_val_if_fail (reason != NULL, NM_ACT_STAGE_RETURN_FAILURE);

	req = nm_device_get_act_request (device);
	g_assert (req);
	connection = nm_act_request_get_applied_connection (req);
	g_assert (connection);
	method = nm_utils_get_ip_config_method (connection, NM_TYPE_SETTING_IP4_CONFIG);

	/* Only Disabled and Auto methods make sense for WWAN */
	if (strcmp (method, NM_SETTING_IP4_CONFIG_METHOD_DISABLED) == 0)
		return NM_ACT_STAGE_RETURN_STOP;

	if (strcmp (method, NM_SETTING_IP4_CONFIG_METHOD_AUTO) != 0) {
		nm_log_warn (LOGD_MB | LOGD_IP4,
		             "(%s): unhandled WWAN IPv4 method '%s'; will fail",
		             nm_modem_get_uid (self), method);
		*reason = NM_DEVICE_STATE_REASON_IP_CONFIG_UNAVAILABLE;
		return NM_ACT_STAGE_RETURN_FAILURE;
	}

	priv = NM_MODEM_GET_PRIVATE (self);
	switch (priv->ip4_method) {
	case NM_MODEM_IP_METHOD_PPP:
		ret = ppp_stage3_ip_config_start (self, req, reason);
		break;
	case NM_MODEM_IP_METHOD_STATIC:
		ret = NM_MODEM_GET_CLASS (self)->static_stage3_ip4_config_start (self, req, reason);
		break;
	case NM_MODEM_IP_METHOD_AUTO:
		ret = device_class->act_stage3_ip4_config_start (device, NULL, reason);
		break;
	default:
		nm_log_info (LOGD_MB, "(%s): IPv4 configuration disabled", nm_modem_get_uid (self));
		ret = NM_ACT_STAGE_RETURN_STOP;
		break;
	}

	return ret;
}

static void
set_data_port (NMModem *self, const char *new_data_port)
{
	NMModemPrivate *priv = NM_MODEM_GET_PRIVATE (self);

	if (g_strcmp0 (priv->data_port, new_data_port) != 0) {
		g_free (priv->data_port);
		priv->data_port = g_strdup (new_data_port);
		g_object_notify (G_OBJECT (self), NM_MODEM_DATA_PORT);
	}
}

void
nm_modem_set_mm_enabled (NMModem *self,
                         gboolean enabled)
{
	NMModemPrivate *priv;

	priv = NM_MODEM_GET_PRIVATE (self);

	if (priv->mm_enabled != enabled)
		NM_MODEM_GET_CLASS (self)->set_mm_enabled (self, enabled);
}

static void
dispose (GObject *object)
{
	NMModemPrivate *priv = NM_MODEM_GET_PRIVATE (object);

	if (priv->act_request) {
		g_object_unref (priv->act_request);
		priv->act_request = NULL;
	}

	G_OBJECT_CLASS (nm_modem_parent_class)->dispose (object);
}