Requester.hpp

// Copyright 2025 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_DDS_RPC__REQUESTER_HPP
#define FASTDDS_DDS_RPC__REQUESTER_HPP
 
#include <fastdds/dds/core/LoanableSequence.hpp>
#include <fastdds/dds/rpc/RPCEntity.hpp>
#include <fastdds/dds/rpc/RequestInfo.hpp>
 
namespace eprosima {
namespace fastdds {
namespace dds {
 
class LoanableCollection;
class DataWriter;
class DataReader;
 
} // namespace dds
 
namespace dds {
namespace rpc {

class Requester : public RPCEntity
{
 
public:

    virtual const std::string& get_service_name() const = 0;

    virtual ReturnCode_t send_request(
            void* data,
            RequestInfo& info) = 0;

    virtual ReturnCode_t take_reply(
            void* data,
            RequestInfo& info) = 0;

    virtual ReturnCode_t take_reply(
            LoanableCollection& data,
            LoanableSequence<RequestInfo>& info) = 0;

    virtual ReturnCode_t return_loan(
            LoanableCollection& data,
            LoanableSequence<RequestInfo>& info) = 0;

    virtual DataWriter* get_requester_writer() const = 0;

    virtual DataReader* get_requester_reader() const = 0;
 
protected:

    ~Requester() = default;
 
};
 
} // namespace rpc
} // namespace dds
} // namespace fastdds
} // namespace eprosima
 
#endif // FASTDDS_DDS_RPC__REQUESTER_HPP