// Copyright 2016 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.

/**

 * @file WriterAttributes.hpp

 *

 */

#ifndef FASTDDS_RTPS_ATTRIBUTES__WRITERATTRIBUTES_HPP

#define FASTDDS_RTPS_ATTRIBUTES__WRITERATTRIBUTES_HPP

#include <functional>

#include <fastdds/dds/core/policy/QosPolicies.hpp>

#include <fastdds/rtps/attributes/EndpointAttributes.hpp>

#include <fastdds/rtps/common/Guid.hpp>

#include <fastdds/rtps/common/Time_t.hpp>

#include <fastdds/rtps/flowcontrol/FlowControllerConsts.hpp>

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

namespace eprosima {

namespace fastdds {

namespace rtps {

typedef enum RTPSWriterPublishMode : octet

{

    SYNCHRONOUS_WRITER,

    ASYNCHRONOUS_WRITER

} RTPSWriterPublishMode;

/**

 * Struct WriterTimes, defining the times associated with the Reliable Writers events.

 * @ingroup RTPS_ATTRIBUTES_MODULE

 */

struct WriterTimes

{

    bool operator ==(

            const WriterTimes& b) const

    {

        return (initial_heartbeat_delay == b.initial_heartbeat_delay) &&

               (heartbeat_period == b.heartbeat_period) &&

               (nack_response_delay == b.nack_response_delay) &&

               (nack_supression_duration == b.nack_supression_duration);

    }

    /// Initial heartbeat delay. Default value 12ms.

    dds::Duration_t initial_heartbeat_delay {0, 12 * 1000 * 1000};

    /// Periodic HB period, default value 3s.

    dds::Duration_t heartbeat_period {3, 0};

    /// Delay to apply to the response of a ACKNACK message, default value 5ms.

    dds::Duration_t nack_response_delay {0, 5 * 1000 * 1000};

    /// This time allows the RTPSWriter to ignore nack messages too soon after the data as sent, default value 0s.

    dds::Duration_t nack_supression_duration {0, 0};

};

/**

 * Class WriterAttributes, defining the attributes of a RTPSWriter.

 * @ingroup RTPS_ATTRIBUTES_MODULE

 */

class WriterAttributes

{

public:

    WriterAttributes()

        : liveliness_kind(fastdds::dds::LivelinessQosPolicyKind::AUTOMATIC_LIVELINESS_QOS)

        , liveliness_lease_duration(TIME_T_INFINITE_SECONDS, TIME_T_INFINITE_NANOSECONDS)

        , liveliness_announcement_period(TIME_T_INFINITE_SECONDS, TIME_T_INFINITE_NANOSECONDS)

        , mode(SYNCHRONOUS_WRITER)

        , disable_heartbeat_piggyback(false)

        , disable_positive_acks(false)

        , keep_duration(TIME_T_INFINITE_SECONDS, TIME_T_INFINITE_NANOSECONDS)

    {

        endpoint.endpointKind = WRITER;

        endpoint.durabilityKind = TRANSIENT_LOCAL;

        endpoint.reliabilityKind = RELIABLE;

    }

    virtual ~WriterAttributes()

    {

    }

    //!Attributes of the associated endpoint.

    EndpointAttributes endpoint;

    //!Writer Times (only used for RELIABLE).

    WriterTimes times;

    //! Liveliness kind

    fastdds::dds::LivelinessQosPolicyKind liveliness_kind;

    //! Liveliness lease duration

    dds::Duration_t liveliness_lease_duration;

    //! Liveliness announcement period

    dds::Duration_t liveliness_announcement_period;

    //!Indicates if the Writer is synchronous or asynchronous

    RTPSWriterPublishMode mode;

    //! Disable the sending of heartbeat piggybacks.

    bool disable_heartbeat_piggyback;

    //! Define the allocation behaviour for matched-reader-dependent collections.

    ResourceLimitedContainerConfig matched_readers_allocation;

    //! Disable the sending of positive ACKs

    bool disable_positive_acks;

    //! Keep duration to keep a sample before considering it has been acked

    dds::Duration_t keep_duration;

    //! Flow controller name. Default: fastdds::rtps::FASTDDS_FLOW_CONTROLLER_DEFAULT.

    std::string flow_controller_name = fastdds::rtps::FASTDDS_FLOW_CONTROLLER_DEFAULT;

    //! Whether to send data to each matched reader separately.

    bool separate_sending = false;

};

} // namespace rtps

} // namespace fastdds

} // namespace eprosima

#endif // FASTDDS_RTPS_ATTRIBUTES__WRITERATTRIBUTES_HPP