CoSimIO/co_sim_io/sources/communication/base_socket_communication.cpp at 646425cdfcb6202dc8808519c8b4bebe3904fa74 · KratosMultiphysics/CoSimIO · GitHub

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//     ______     _____ _           ________
//    / ____/___ / ___/(_)___ ___  /  _/ __ |
//   / /   / __ \\__ \/ / __ `__ \ / // / / /
//  / /___/ /_/ /__/ / / / / / / // // /_/ /
//  \____/\____/____/_/_/ /_/ /_/___/\____/
//  Kratos CoSimulationApplication
//
//  License:         BSD License, see license.txt
//
//  Main authors:    Philipp Bucher (https://github.com/philbucher)
//

// System includes

// Project includes
#include "includes/communication/base_socket_communication.hpp"

namespace CoSimIO {
namespace Internals {

template<class TSocketType>
BaseSocketCommunication<TSocketType>::~BaseSocketCommunication()
{
    CO_SIM_IO_TRY

    if (GetIsConnected()) {
        CO_SIM_IO_INFO("CoSimIO") << "Warning: Disconnect was not performed, attempting automatic disconnection!" << std::endl;
        Info tmp;
        Disconnect(tmp);
    }

    CO_SIM_IO_CATCH
}

template<class TSocketType>
Info BaseSocketCommunication<TSocketType>::ConnectDetail(const Info& I_Info)
{
    CO_SIM_IO_TRY

    // required such that asio keeps listening for incoming messages
    mContextThread = std::thread([this]() { mAsioContext.run(); });

    return Info();

    CO_SIM_IO_CATCH
}

template<class TSocketType>
Info BaseSocketCommunication<TSocketType>::DisconnectDetail(const Info& I_Info)
{
    CO_SIM_IO_TRY

    // Request the context to close
    mAsioContext.stop();

    // Tidy up the context thread
    if (mContextThread.joinable()) mContextThread.join();

    mpAsioSocket->close();
    mpAsioSocket.reset(); // important to release the resouces (otherwise crashes in Win with release compilation)

    return Info();

    CO_SIM_IO_CATCH
}

template<class TSocketType>
double BaseSocketCommunication<TSocketType>::SendString(
    const Info& I_Info,
    const std::string& rData)
{
    CO_SIM_IO_TRY

    SendSize(rData.size()); // serves also as synchronization for time measurement

    const auto start_time(std::chrono::steady_clock::now());
    asio::write(*mpAsioSocket, asio::buffer(rData.data(), rData.size()));
    return Utilities::ElapsedSeconds(start_time);

    CO_SIM_IO_CATCH
}

template<class TSocketType>
double BaseSocketCommunication<TSocketType>::ReceiveString(
    const Info& I_Info,
    std::string& rData)
{
    CO_SIM_IO_TRY

    std::size_t received_size = ReceiveSize(); // serves also as synchronization for time measurement

    const auto start_time(std::chrono::steady_clock::now());
    rData.resize(received_size);
    asio::read(*mpAsioSocket, asio::buffer(&(rData.front()), received_size));
    return Utilities::ElapsedSeconds(start_time);

    CO_SIM_IO_CATCH
}

template<class TSocketType>
double BaseSocketCommunication<TSocketType>::SendDataContainer(
    const Info& I_Info,
    const Internals::DataContainer<double>& rData)
{
    CO_SIM_IO_TRY

    SendSize(rData.size()); // serves also as synchronization for time measurement

    const auto start_time(std::chrono::steady_clock::now());
    asio::write(*mpAsioSocket, asio::buffer(rData.data(), rData.size()*sizeof(double)));
    return Utilities::ElapsedSeconds(start_time);

    CO_SIM_IO_CATCH
}

template<class TSocketType>
double BaseSocketCommunication<TSocketType>::ReceiveDataContainer(
    const Info& I_Info,
    Internals::DataContainer<double>& rData)
{
    CO_SIM_IO_TRY

    std::size_t received_size = ReceiveSize(); // serves also as synchronization for time measurement

    const auto start_time(std::chrono::steady_clock::now());
    rData.resize(received_size);
    asio::read(*mpAsioSocket, asio::buffer(rData.data(), rData.size()*sizeof(double)));
    return Utilities::ElapsedSeconds(start_time);

    CO_SIM_IO_CATCH
}

template<class TSocketType>
void BaseSocketCommunication<TSocketType>::SendSize(const std::uint64_t Size)
{
    CO_SIM_IO_TRY

    asio::write(*mpAsioSocket, asio::buffer(&Size, sizeof(Size)));

    CO_SIM_IO_CATCH
}

template<class TSocketType>
std::uint64_t BaseSocketCommunication<TSocketType>::ReceiveSize()
{
    CO_SIM_IO_TRY

    std::uint64_t imp_size_u;
    asio::read(*mpAsioSocket, asio::buffer(&imp_size_u, sizeof(imp_size_u)));
    return imp_size_u;

    CO_SIM_IO_CATCH
}

template class BaseSocketCommunication<asio::ip::tcp::socket>;
template class BaseSocketCommunication<asio::local::stream_protocol::socket>;

} // namespace Internals
} // namespace CoSimIO