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6284bdc50e
Add a lightweight Micro XRCE-DDS Client integration with UDP transport support and a publisher example. Signed-off-by: lljwork2021 <lljwork2021@163.com>
66 lines
2.3 KiB
C
66 lines
2.3 KiB
C
/****************************************************************************
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* apps/examples/xrcedds/hello_world.c
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*
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* Implements the HelloWorld type described by HelloWorld.idl.
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <string.h>
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#include <ucdr/microcdr.h>
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#include "hello_world.h"
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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bool hello_world_serialize_topic(struct ucdrBuffer *writer,
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const struct hello_world_s *topic)
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{
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ucdr_serialize_uint32_t(writer, topic->index);
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ucdr_serialize_string(writer, topic->message);
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return !writer->error;
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}
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bool hello_world_deserialize_topic(struct ucdrBuffer *reader,
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struct hello_world_s *topic)
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{
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ucdr_deserialize_uint32_t(reader, &topic->index);
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ucdr_deserialize_string(reader, topic->message, 255);
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return !reader->error;
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}
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uint32_t hello_world_topic_size(const struct hello_world_s *topic,
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uint32_t size)
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{
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uint32_t previous_size = size;
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size += ucdr_alignment(size, 4) + 4;
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size += ucdr_alignment(size, 4) + 4 + strlen(topic->message) + 1;
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return size - previous_size;
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}
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