Subprocess.cpp

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#include "galaxy/logging/Log.hpp"
 
#include "Subprocess.hpp"
 
namespace galaxy
{
    Subprocess::Subprocess() noexcept
        : m_process {nullptr}
    {
    }
 
    Subprocess::Subprocess(std::string_view process, std::span<std::string> args)
        : m_process {nullptr}
    {
        create(process, args);
    }
 
    Subprocess::~Subprocess() noexcept
    {
        terminate();
    }
 
    void Subprocess::create(std::string_view process, std::span<std::string> args)
    {
        const auto sp_to_run = std::filesystem::absolute(process).replace_extension("").string();
 
        std::vector<const char*> cmd_line;
        cmd_line.reserve(args.size() + 2);
 
        cmd_line.push_back(sp_to_run.c_str());
        for (const auto& arg : args)
        {
            cmd_line.push_back(arg.c_str());
        }
        cmd_line.push_back(nullptr);
 
        if (subprocess_create(cmd_line.data(), subprocess_option_inherit_environment, &m_process) != 0)
        {
            GALAXY_LOG(GALAXY_ERROR, "Failed to launch subprocess: {0}.", process);
        }
    }
 
    int Subprocess::join() noexcept
    {
        if (alive())
        {
            int code = -1;
            if (subprocess_join(&m_process, &code) != 0)
            {
                GALAXY_LOG(GALAXY_ERROR, "Failed to join subprocess.");
            }
 
            return code;
        }
 
        return -1;
    }
 
    void Subprocess::terminate() noexcept
    {
        if (alive())
        {
            if (subprocess_terminate(&m_process) != 0)
            {
                GALAXY_LOG(GALAXY_ERROR, "Failed to terminate subprocess.");
            }
        }
    }
 
    void Subprocess::destroy() noexcept
    {
        if (alive())
        {
            if (subprocess_destroy(&m_process) != 0)
            {
                GALAXY_LOG(GALAXY_ERROR, "Failed to destroy subprocess.");
            }
        }
    }
 
    bool Subprocess::alive() noexcept
    {
        return subprocess_alive(&m_process) != 0 ? true : false;
    }
} // namespace galaxy