Program Listing for File RTPSParticipantAllocationAttributes.hpp

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// Copyright 2019 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 _FASTDDS_RTPS_RTPSPARTICIPANTALLOCATIONATTRIBUTES_HPP_
#define _FASTDDS_RTPS_RTPSPARTICIPANTALLOCATIONATTRIBUTES_HPP_

#include <fastdds/rtps/builtin/data/ContentFilterProperty.hpp>

#include <fastrtps/utils/collections/ResourceLimitedContainerConfig.hpp>

namespace eprosima {
namespace fastrtps {
namespace rtps {

struct RemoteLocatorsAllocationAttributes
{
    bool operator ==(
            const RemoteLocatorsAllocationAttributes& b) const
    {
        return (this->max_unicast_locators == b.max_unicast_locators) &&
               (this->max_multicast_locators == b.max_multicast_locators);
    }

    size_t max_unicast_locators = 4u;

    size_t max_multicast_locators = 1u;
};

struct SendBuffersAllocationAttributes
{
    bool operator ==(
            const SendBuffersAllocationAttributes& b) const
    {
        return (this->preallocated_number == b.preallocated_number) &&
               (this->dynamic == b.dynamic);
    }

    size_t preallocated_number = 0u;

    bool dynamic = false;
};

struct VariableLengthDataLimits
{
    bool operator ==(
            const VariableLengthDataLimits& b) const
    {
        return (this->max_properties == b.max_properties) &&
               (this->max_user_data == b.max_user_data) &&
               (this->max_partitions == b.max_partitions) &&
               (this->max_datasharing_domains == b.max_datasharing_domains);
    }

    size_t max_properties = 0;
    size_t max_user_data = 0;
    size_t max_partitions = 0;
    size_t max_datasharing_domains = 0;
};

struct RTPSParticipantAllocationAttributes
{
    RemoteLocatorsAllocationAttributes locators;
    ResourceLimitedContainerConfig participants;
    ResourceLimitedContainerConfig readers;
    ResourceLimitedContainerConfig writers;
    SendBuffersAllocationAttributes send_buffers;
    VariableLengthDataLimits data_limits;
    fastdds::rtps::ContentFilterProperty::AllocationConfiguration content_filter;

    ResourceLimitedContainerConfig total_readers() const
    {
        return total_endpoints(readers);
    }

    ResourceLimitedContainerConfig total_writers() const
    {
        return total_endpoints(writers);
    }

    bool operator ==(
            const RTPSParticipantAllocationAttributes& b) const
    {
        return (this->locators == b.locators) &&
               (this->participants == b.participants) &&
               (this->readers == b.readers) &&
               (this->writers == b.writers) &&
               (this->send_buffers == b.send_buffers) &&
               (this->data_limits == b.data_limits);
    }

private:

    ResourceLimitedContainerConfig total_endpoints(
            const ResourceLimitedContainerConfig& endpoints) const
    {
        constexpr size_t max = (std::numeric_limits<size_t>::max)();
        size_t initial;
        size_t maximum;
        size_t increment;

        initial = participants.initial * endpoints.initial;
        maximum = (participants.maximum == max || endpoints.maximum == max)
                ? max : participants.maximum * endpoints.maximum;
        increment = (std::max)(participants.increment, endpoints.increment);

        return { initial, maximum, increment };
    }

};

const RTPSParticipantAllocationAttributes c_default_RTPSParticipantAllocationAttributes
    = RTPSParticipantAllocationAttributes();

} /* namespace rtps */
} /* namespace fastrtps */
} /* namespace eprosima */

#endif /* _FASTDDS_RTPS_RTPSPARTICIPANTALLOCATIONATTRIBUTES_HPP_ */