static void
_offer_with_address (TpStreamTubeChannel *self,
    GHashTable *params)
{
  GValue *addressv = NULL;
  GError *error = NULL;

  addressv = tp_address_variant_from_g_socket_address (self->priv->address,
      &self->priv->socket_type, &error);
  if (error != NULL)
    {
      operation_failed (self, error);

      g_clear_error (&error);
      goto finally;
    }

  /* Connect the NewRemoteConnection signal */
  tp_cli_channel_type_stream_tube_connect_to_new_remote_connection (
      TP_CHANNEL (self), _new_remote_connection,
      NULL, NULL, G_OBJECT (self), &error);
  if (error != NULL)
    {
      operation_failed (self, error);

      g_clear_error (&error);
      goto finally;
    }

  g_assert (self->priv->parameters == NULL);
  if (params != NULL)
    self->priv->parameters = g_hash_table_ref (params);
  else
    self->priv->parameters = tp_asv_new (NULL, NULL);

  g_object_notify (G_OBJECT (self), "parameters");
  g_object_notify (G_OBJECT (self), "parameters-vardict");

  /* Call Offer */
  tp_cli_channel_type_stream_tube_call_offer (TP_CHANNEL (self), -1,
      self->priv->socket_type, addressv, self->priv->access_control,
      self->priv->parameters, _channel_offered, NULL, NULL, G_OBJECT (self));

finally:
  if (addressv != NULL)
    tp_g_value_slice_free (addressv);
}
示例#2
0
static int spi_flash_write_status(FlashOps *me, uint8_t status)
{
	int ret = -1;
	SpiFlash *flash = container_of(me, SpiFlash, ops);

	uint8_t command_bytes[2];

	if (flash->spi->start(flash->spi)) {
		printf("%s: Failed to start transaction.\n", __func__);
		return ret;
	}

	command_bytes[0] = WriteEnableCommand;
	if (flash->spi->transfer(flash->spi, NULL, &command_bytes, 1)) {
		printf("%s: Failed to send write enable command.\n",
		       __func__);
		goto fail;
	}

	if (operation_failed(flash, "WREN") != 0)
		goto fail;

	/*
	 * CS needs to be deasserted before any other command can be
	 * issued after WREN.
	 */
	if (toggle_cs(flash, "WREN"))
		goto fail;

	command_bytes[0] = WriteStatus;
	command_bytes[1] = status;

	if (flash->spi->transfer(flash->spi, NULL, &command_bytes, 2)) {
		printf("%s: Failed to send write status command.\n", __func__);
		goto fail;
	}

	if (operation_failed(flash, "WRSTATUS") == 0)
		ret = 0;

fail:
	if (flash->spi->stop(flash->spi)) {
		printf("%s: Failed to stop.\n", __func__);
		ret = -1;
	}
	return ret;
}
static void
send_credentials_cb (GObject *source,
    GAsyncResult *result,
    gpointer user_data)
{
  TpStreamTubeChannel *self = user_data;
  GError *error = NULL;

  if (!tp_unix_connection_send_credentials_with_byte_finish (
          (GSocketConnection *) source, result, &error))
    {
      DEBUG ("Failed to send credentials: %s", error->message);

      operation_failed (self, error);
      g_clear_error (&error);
    }
}
static gboolean
client_socket_cb (GSocket *socket,
    GIOCondition condition,
    TpStreamTubeChannel *self)
{
  GError *error = NULL;

  if (!g_socket_check_connect_result (socket, &error))
    {
      DEBUG ("Failed to connect to socket: %s", error->message);

      operation_failed (self, error);
      g_error_free (error);
      return FALSE;
    }

  client_socket_connected (self);

  return FALSE;
}
static void
_channel_offered (TpChannel *channel,
    const GError *in_error,
    gpointer user_data,
    GObject *obj)
{
  TpStreamTubeChannel *self = (TpStreamTubeChannel *) obj;

  if (in_error != NULL)
    {
      DEBUG ("Failed to Offer Stream Tube: %s", in_error->message);

      operation_failed (self, in_error);
      return;
    }

  DEBUG ("Stream Tube offered");

  g_simple_async_result_complete_in_idle (self->priv->result);
  tp_clear_object (&self->priv->result);
}
示例#6
0
/*
 * Write or erase the flash. To write, pass a buffer and size; to erase,
 * pass null for the buffer.
 * This function is guaranteed to be invoked with data not spanning across
 * writeable/erasable boundaries (page size/block size).
 */
static int spi_flash_modify(SpiFlash *flash, const void *buffer,
			    uint32_t offset, uint32_t size, uint8_t opcode,
			    const char *opname)
{
	union {
		uint8_t bytes[4]; // We're using 3 byte addresses.
		uint32_t whole;
	} command;

	int stop_needed = 0;
	uint32_t rv = -1;

	do {
		/* Each write or erase command requires a 'write enable' (WREN)
		 * first. */
		if (flash->spi->start(flash->spi)) {
			printf("%s: Failed to start WREN transaction.\n",
			       __func__);
			break;
		}

		command.bytes[0] = WriteEnableCommand;
		if (flash->spi->transfer(flash->spi, NULL, &command, 1)) {
			printf("%s: Failed to send write enable command.\n",
			       __func__);
			stop_needed = 1;
			break;
		}

		/*
		 * CS needs to be deasserted before any other command can be
		 * issued after WREN.
		 */
		if (toggle_cs(flash, "WREN"))
			break;

		stop_needed = 1;
		command.whole = swap_bytes32((opcode << 24) | offset);
		if (flash->spi->transfer(flash->spi, NULL, &command, 4)) {
			printf("%s: Failed to send %s command.\n",
			       __func__, opname);
			break;
		}

		if (buffer &&
		    flash->spi->transfer(flash->spi, NULL, buffer, size)) {
			printf("%s: Failed to write data.\n", __func__);
			break;
		}

		stop_needed = 1;
		if (!operation_failed(flash, opname))
			rv = size;

	} while(0);

	if (stop_needed && flash->spi->stop(flash->spi))
		printf("%s: Failed to stop.\n", __func__);

	return rv;
}
/**
 * tp_stream_tube_channel_accept_async:
 * @self: an incoming #TpStreamTubeChannel
 * @callback: a callback to call when the tube has been accepted
 * @user_data: data to pass to @callback
 *
 * Accept an incoming stream tube. When the tube has been accepted, @callback
 * will be called. You can then call tp_stream_tube_channel_accept_finish()
 * to get a #TpStreamTubeConnection connected to the tube.
 *
 * Since: 0.13.2
 */
void
tp_stream_tube_channel_accept_async (TpStreamTubeChannel *self,
    GAsyncReadyCallback callback,
    gpointer user_data)
{
  GHashTable *properties;
  GHashTable *supported_sockets;
  GError *error = NULL;

  g_return_if_fail (TP_IS_STREAM_TUBE_CHANNEL (self));
  g_return_if_fail (self->priv->result == NULL);

  if (self->priv->access_control_param != NULL)
    {
      g_simple_async_report_error_in_idle (G_OBJECT (self), callback, user_data,
          TP_ERROR, TP_ERROR_INVALID_ARGUMENT, "Tube has already be accepted");

      return;
    }

  self->priv->result = g_simple_async_result_new (G_OBJECT (self), callback,
      user_data, tp_stream_tube_channel_accept_async);

  properties = _tp_channel_get_immutable_properties (TP_CHANNEL (self));
  supported_sockets = tp_asv_get_boxed (properties,
      TP_PROP_CHANNEL_TYPE_STREAM_TUBE_SUPPORTED_SOCKET_TYPES,
      TP_HASH_TYPE_SUPPORTED_SOCKET_MAP);

  if (!_tp_set_socket_address_type_and_access_control_type (supported_sockets,
      &self->priv->socket_type, &self->priv->access_control, &error))
    {
      operation_failed (self, error);

      g_clear_error (&error);
      return;
    }

  DEBUG ("Using socket type %u with access control %u", self->priv->socket_type,
      self->priv->access_control);

  self->priv->client_socket = _tp_create_client_socket (self->priv->socket_type,
      &error);

  if (error != NULL)
    {
      DEBUG ("Failed to create socket: %s", error->message);

      operation_failed (self, error);
      g_clear_error (&error);
      return;
    }

  switch (self->priv->access_control)
    {
      case TP_SOCKET_ACCESS_CONTROL_LOCALHOST:
        /* Put a dummy value */
        self->priv->access_control_param = tp_g_value_slice_new_uint (0);
        break;

      case TP_SOCKET_ACCESS_CONTROL_PORT:
        {
          GSocketAddress *addr;
          guint16 port;

          addr = g_socket_get_local_address (self->priv->client_socket, &error);
          if (addr == NULL)
            {
              DEBUG ("Failed to get local address of client socket: %s",
                  error->message);

              operation_failed (self, error);
              g_error_free (error);
              return;
            }

          port = g_inet_socket_address_get_port (G_INET_SOCKET_ADDRESS (addr));
          self->priv->access_control_param = tp_g_value_slice_new_uint (port);

          g_object_unref (addr);
        }
        break;

      case TP_SOCKET_ACCESS_CONTROL_CREDENTIALS:
        self->priv->access_control_param = tp_g_value_slice_new_byte (
            g_random_int_range (0, G_MAXUINT8));
        break;

      default:
        g_assert_not_reached ();
    }

  /* Call Accept */
  tp_cli_channel_type_stream_tube_call_accept (TP_CHANNEL (self), -1,
      self->priv->socket_type, self->priv->access_control,
      self->priv->access_control_param, _channel_accepted,
      NULL, NULL, G_OBJECT (self));
}
static void
_channel_accepted (TpChannel *channel,
    const GValue *addressv,
    const GError *in_error,
    gpointer user_data,
    GObject *obj)
{
  TpStreamTubeChannel *self = (TpStreamTubeChannel *) obj;
  GSocketAddress *remote_address;
  GError *error = NULL;

  if (in_error != NULL)
    {
      DEBUG ("Failed to Accept Stream Tube: %s", in_error->message);

      operation_failed (self, in_error);
      return;
    }

  tp_cli_channel_type_stream_tube_connect_to_new_local_connection (
      TP_CHANNEL (self), new_local_connection_cb, NULL, NULL,
      G_OBJECT (self), &error);

  if (error != NULL)
    {
      DEBUG ("Failed to connect to NewLocalConnection signal");
      operation_failed (self, error);

      g_error_free (error);
      return;
    }

  remote_address = tp_g_socket_address_from_variant (self->priv->socket_type,
      addressv, &error);
  if (error != NULL)
    {
      DEBUG ("Failed to convert address: %s", error->message);

      operation_failed (self, error);
      g_error_free (error);
      return;
    }

  /* Connect to CM */
  g_socket_set_blocking (self->priv->client_socket, FALSE);
  g_socket_connect (self->priv->client_socket, remote_address, NULL, &error);

  if (error == NULL)
    {
      /* Socket is connected */
      client_socket_connected (self);
      goto out;
    }
  else if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_PENDING))
    {
      /* We have to wait that the socket is connected */
      GSource *source;

      source = g_socket_create_source (self->priv->client_socket,
          G_IO_OUT, NULL);

      g_source_attach (source, g_main_context_get_thread_default ());

      g_source_set_callback (source, (GSourceFunc) client_socket_cb,
          self, NULL);

      g_error_free (error);
      g_source_unref (source);
    }
  else
    {
      DEBUG ("Failed to connect to CM: %s", error->message);

      operation_failed (self, error);

      g_error_free (error);
    }

out:
  g_object_unref (remote_address);
}
/**
 * tp_stream_tube_channel_offer_async:
 * @self: an outgoing #TpStreamTubeChannel
 * @params: (allow-none) (transfer none): parameters of the tube, or %NULL
 * @callback: a callback to call when the tube has been offered
 * @user_data: data to pass to @callback
 *
 * Offer an outgoing stream tube. When the tube has been offered, @callback
 * will be called. You can then call tp_stream_tube_channel_offer_finish()
 * to get the result of the operation.
 *
 * You have to connect to the #TpStreamTubeChannel::incoming signal to get a
 * #TpStreamTubeConnection each time a contact establishes a connection to
 * the tube.
 *
 * Since: 0.13.2
 */
void
tp_stream_tube_channel_offer_async (TpStreamTubeChannel *self,
    GHashTable *params,
    GAsyncReadyCallback callback,
    gpointer user_data)
{
  GHashTable *properties;
  GHashTable *supported_sockets;
  GError *error = NULL;

  g_return_if_fail (TP_IS_STREAM_TUBE_CHANNEL (self));
  g_return_if_fail (self->priv->result == NULL);
  g_return_if_fail (tp_channel_get_requested (TP_CHANNEL (self)));

  if (self->priv->service != NULL)
    {
      g_critical ("Can't reoffer Tube!");
      return;
    }

  self->priv->result = g_simple_async_result_new (G_OBJECT (self), callback,
      user_data, tp_stream_tube_channel_offer_async);

  properties = _tp_channel_get_immutable_properties (TP_CHANNEL (self));
  supported_sockets = tp_asv_get_boxed (properties,
      TP_PROP_CHANNEL_TYPE_STREAM_TUBE_SUPPORTED_SOCKET_TYPES,
      TP_HASH_TYPE_SUPPORTED_SOCKET_MAP);

  if (!_tp_set_socket_address_type_and_access_control_type (supported_sockets,
      &self->priv->socket_type, &self->priv->access_control, &error))
    {
      operation_failed (self, error);

      g_clear_error (&error);
      return;
    }

  DEBUG ("Using socket type %u with access control %u", self->priv->socket_type,
      self->priv->access_control);

  self->priv->service = g_socket_service_new ();

  switch (self->priv->socket_type)
    {
#ifdef HAVE_GIO_UNIX
      case TP_SOCKET_ADDRESS_TYPE_UNIX:
        {
          self->priv->address = _tp_create_temp_unix_socket (
              self->priv->service, &error);

          /* check there wasn't an error on the final attempt */
          if (self->priv->address == NULL)
            {
              operation_failed (self, error);

              g_clear_error (&error);
              return;
            }
        }

        break;
#endif /* HAVE_GIO_UNIX */

      case TP_SOCKET_ADDRESS_TYPE_IPV4:
      case TP_SOCKET_ADDRESS_TYPE_IPV6:
        {
          GInetAddress *localhost;
          GSocketAddress *in_address;

          localhost = g_inet_address_new_loopback (
              self->priv->socket_type == TP_SOCKET_ADDRESS_TYPE_IPV4 ?
              G_SOCKET_FAMILY_IPV4 : G_SOCKET_FAMILY_IPV6);
          in_address = g_inet_socket_address_new (localhost, 0);

          g_socket_listener_add_address (
              G_SOCKET_LISTENER (self->priv->service), in_address,
              G_SOCKET_TYPE_STREAM, G_SOCKET_PROTOCOL_DEFAULT,
              NULL, &self->priv->address, &error);

          g_object_unref (localhost);
          g_object_unref (in_address);

          if (error != NULL)
            {
              operation_failed (self, error);

              g_clear_error (&error);
              return;
            }

          break;
        }

      default:
        /* should have already errored */
        g_assert_not_reached ();
        break;
    }

  tp_g_signal_connect_object (self->priv->service, "incoming",
      G_CALLBACK (service_incoming_cb), self, 0);

  g_socket_service_start (self->priv->service);

  _offer_with_address (self, params);
}