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// 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.
/**
* @file ClientApp.hpp
*
*/
#ifndef FASTDDS_EXAMPLES_CPP_RPC__CLIENTAPP_HPP
#define FASTDDS_EXAMPLES_CPP_RPC__CLIENTAPP_HPP
#include <atomic>
#include <memory>
#include <string>
#include <fastdds/dds/domain/DomainParticipant.hpp>
#include <fastdds/dds/rpc/interfaces/RpcClientReader.hpp>
#include <fastdds/dds/rpc/interfaces/RpcClientWriter.hpp>
#include "Application.hpp"
#include "CLIParser.hpp"
#include "types/calculator.hpp"
namespace eprosima {
namespace fastdds {
namespace examples {
namespace rpc {
enum class OperationStatus
{
PENDING,
SUCCESS,
TIMEOUT,
ERROR
};
class Operation
{
public:
virtual OperationStatus execute() = 0;
virtual ~Operation() = default;
};
class Ping : public Operation
{
public:
Ping(
std::shared_ptr<calculator_example::Calculator> client);
OperationStatus execute() override;
protected:
std::weak_ptr<calculator_example::Calculator> client_;
};
class RepresentationLimits : public Operation
{
public:
RepresentationLimits(
std::shared_ptr<calculator_example::Calculator> client);
OperationStatus execute() override;
protected:
calculator_example::detail::Calculator_representation_limits_Out representation_limits_;
std::weak_ptr<calculator_example::Calculator> client_;
};
class Addition : public Operation
{
public:
Addition(
std::shared_ptr<calculator_example::Calculator> client,
std::int32_t x,
std::int32_t y);
OperationStatus execute() override;
protected:
std::int32_t x_;
std::int32_t y_;
std::int32_t result_;
std::weak_ptr<calculator_example::Calculator> client_;
};
class Substraction : public Operation
{
public:
Substraction(
std::shared_ptr<calculator_example::Calculator> client,
std::int32_t x,
std::int32_t y);
OperationStatus execute() override;
protected:
std::int32_t x_;
std::int32_t y_;
std::int32_t result_;
std::weak_ptr<calculator_example::Calculator> client_;
};
class FibonacciSeq : public Operation
{
public:
FibonacciSeq(
std::shared_ptr<calculator_example::Calculator> client,
std::uint32_t n_results);
OperationStatus execute() override;
protected:
std::uint32_t n_results_;
std::weak_ptr<calculator_example::Calculator> client_;
std::shared_ptr<eprosima::fastdds::dds::rpc::RpcClientReader<int32_t>> reader_;
};
class SumAll : public Operation
{
public:
SumAll(
std::shared_ptr<calculator_example::Calculator> client);
OperationStatus execute() override;
protected:
std::weak_ptr<calculator_example::Calculator> client_;
std::shared_ptr<eprosima::fastdds::dds::rpc::RpcClientWriter<int32_t>> writer_;
std::int32_t result_;
bool input_feed_closed_;
};
class Accumulator : public Operation
{
public:
Accumulator(
std::shared_ptr<calculator_example::Calculator> client);
OperationStatus execute() override;
protected:
std::weak_ptr<calculator_example::Calculator> client_;
std::shared_ptr<eprosima::fastdds::dds::rpc::RpcClientWriter<int32_t>> writer_;
std::shared_ptr<eprosima::fastdds::dds::rpc::RpcClientReader<int32_t>> reader_;
bool valid_user_input_;
};
class Filter : public Operation
{
public:
Filter(
std::shared_ptr<calculator_example::Calculator> client,
std::uint8_t filter_kind);
OperationStatus execute() override;
protected:
std::weak_ptr<calculator_example::Calculator> client_;
std::shared_ptr<eprosima::fastdds::dds::rpc::RpcClientWriter<int32_t>> writer_;
std::shared_ptr<eprosima::fastdds::dds::rpc::RpcClientReader<int32_t>> reader_;
std::uint8_t filter_kind_;
bool input_feed_closed_;
};
class ClientApp : public Application
{
public:
ClientApp(
const CLIParser::config& config,
const std::string& service_name);
~ClientApp() override;
void run() override;
void stop() override;
protected:
//! Create a participant for internal RPCDDS entities
void create_participant();
//! Create a client
void create_client(
const std::string& service_name);
//! Set the operation to be executed.
void set_operation();
//! Check if the a server is reachable. If not, retry until the maximum number of attempts is reached
//! @return true if the server is reachable, false otherwise
bool ping_server(
std::size_t attempts);
bool is_stopped()
{
return stop_.load();
}
std::shared_ptr<calculator_example::Calculator> client_;
dds::DomainParticipant* participant_;
CLIParser::config config_;
std::unique_ptr<Operation> operation_;
std::atomic<bool> stop_;
};
} // namespace rpc
} // namespace examples
} // namespace fastdds
} // namespace eprosima
#endif // FASTDDS_EXAMPLES_CPP_RPC__CLIENTAPP_HPP
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