Program Listing for File TypeSupport.hpp
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// Copyright 2016-2018 Proyectos y Sistemas de Mantenimiento SL (eProsima).
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef RMW_FASTRTPS_SHARED_CPP__TYPESUPPORT_HPP_
#define RMW_FASTRTPS_SHARED_CPP__TYPESUPPORT_HPP_
#include <cassert>
#include <string>
#include "fastdds/dds/topic/TopicDataType.hpp"
#include "fastdds/rtps/common/InstanceHandle.h"
#include "fastdds/rtps/common/SerializedPayload.h"
#include "fastcdr/FastBuffer.h"
#include "fastcdr/Cdr.h"
#include "rcutils/logging_macros.h"
#include "rosidl_runtime_c/message_type_support_struct.h"
#include "./visibility_control.h"
namespace rmw_fastrtps_shared_cpp
{
enum SerializedDataType
{
FASTRTPS_SERIALIZED_DATA_TYPE_CDR_BUFFER,
FASTRTPS_SERIALIZED_DATA_TYPE_DYNAMIC_MESSAGE,
FASTRTPS_SERIALIZED_DATA_TYPE_ROS_MESSAGE
};
// Publishers write method will receive a pointer to this struct
struct SerializedData
{
SerializedDataType type; // The type of the next field
void * data;
const void * impl; // RMW implementation specific data
};
class TypeSupport : public eprosima::fastdds::dds::TopicDataType
{
public:
virtual size_t getEstimatedSerializedSize(const void * ros_message, const void * impl) const = 0;
virtual bool serializeROSmessage(
const void * ros_message, eprosima::fastcdr::Cdr & ser, const void * impl) const = 0;
virtual bool deserializeROSmessage(
eprosima::fastcdr::Cdr & deser, void * ros_message, const void * impl) const = 0;
RMW_FASTRTPS_SHARED_CPP_PUBLIC
bool getKey(
void * data,
eprosima::fastrtps::rtps::InstanceHandle_t * ihandle,
bool force_md5 = false) override
{
(void)data; (void)ihandle; (void)force_md5;
return false;
}
RMW_FASTRTPS_SHARED_CPP_PUBLIC
bool serialize(void * data, eprosima::fastrtps::rtps::SerializedPayload_t * payload) override;
RMW_FASTRTPS_SHARED_CPP_PUBLIC
bool deserialize(eprosima::fastrtps::rtps::SerializedPayload_t * payload, void * data) override;
RMW_FASTRTPS_SHARED_CPP_PUBLIC
std::function<uint32_t()> getSerializedSizeProvider(void * data) override;
RMW_FASTRTPS_SHARED_CPP_PUBLIC
void * createData() override;
RMW_FASTRTPS_SHARED_CPP_PUBLIC
void deleteData(void * data) override;
RMW_FASTRTPS_SHARED_CPP_PUBLIC
inline bool is_bounded() const
#ifdef TOPIC_DATA_TYPE_API_HAS_IS_BOUNDED
override
#endif
{
return max_size_bound_;
}
RMW_FASTRTPS_SHARED_CPP_PUBLIC
inline bool is_plain() const
#ifdef TOPIC_DATA_TYPE_API_HAS_IS_PLAIN
override
#endif
{
return is_plain_;
}
RMW_FASTRTPS_SHARED_CPP_PUBLIC
virtual ~TypeSupport() {}
protected:
RMW_FASTRTPS_SHARED_CPP_PUBLIC
TypeSupport();
bool max_size_bound_;
bool is_plain_;
};
RMW_FASTRTPS_SHARED_CPP_PUBLIC
bool register_type_object(
const rosidl_message_type_support_t * type_supports,
const std::string & type_name);
} // namespace rmw_fastrtps_shared_cpp
#endif // RMW_FASTRTPS_SHARED_CPP__TYPESUPPORT_HPP_