Example #1
0
static void prep_write_complete_cb(struct gatt_db_attribute *attr, int err,
								void *user_data)
{
	struct prep_write_complete_data *pwcd = user_data;
	uint16_t handle = 0;
	uint16_t offset;

	handle = get_le16(pwcd->pdu);

	if (err) {
		bt_att_send_error_rsp(pwcd->server->att,
					BT_ATT_OP_PREP_WRITE_REQ, handle, err);
		free(pwcd->pdu);
		free(pwcd);

		return;
	}

	offset = get_le16(pwcd->pdu + 2);

	if (!store_prep_data(pwcd->server, handle, offset, pwcd->length - 4,
						&((uint8_t *) pwcd->pdu)[4]))
		bt_att_send_error_rsp(pwcd->server->att,
					BT_ATT_OP_PREP_WRITE_RSP, handle,
					BT_ATT_ERROR_INSUFFICIENT_RESOURCES);

	bt_att_send(pwcd->server->att, BT_ATT_OP_PREP_WRITE_RSP, pwcd->pdu,
						pwcd->length, NULL, NULL, NULL);

	free(pwcd->pdu);
	free(pwcd);
}
Example #2
0
static void prep_write_cb(uint8_t opcode, const void *pdu,
					uint16_t length, void *user_data)
{
	struct bt_gatt_server *server = user_data;
	uint16_t handle = 0;
	uint16_t offset;
	struct gatt_db_attribute *attr;
	uint8_t ecode;

	if (length < 4) {
		ecode = BT_ATT_ERROR_INVALID_PDU;
		goto error;
	}

	if (queue_length(server->prep_queue) >= server->max_prep_queue_len) {
		ecode = BT_ATT_ERROR_PREPARE_QUEUE_FULL;
		goto error;
	}

	handle = get_le16(pdu);
	offset = get_le16(pdu + 2);

	attr = gatt_db_get_attribute(server->db, handle);
	if (!attr) {
		ecode = BT_ATT_ERROR_INVALID_HANDLE;
		goto error;
	}

	util_debug(server->debug_callback, server->debug_data,
				"Prep Write Req - handle: 0x%04x", handle);

	ecode = check_permissions(server, attr, BT_ATT_PERM_WRITE |
						BT_ATT_PERM_WRITE_AUTHEN |
						BT_ATT_PERM_WRITE_ENCRYPT);
	if (ecode)
		goto error;

	if (!store_prep_data(server, handle, offset, length - 4,
						&((uint8_t *) pdu)[4])) {
		ecode = BT_ATT_ERROR_INSUFFICIENT_RESOURCES;
		goto error;
	}

	bt_att_send(server->att, BT_ATT_OP_PREP_WRITE_RSP, pdu, length, NULL,
								NULL, NULL);
	return;

error:
	bt_att_send_error_rsp(server->att, opcode, handle, ecode);
}