MGrblPlatformData.hpp

/*
** Copyright (C) 2025 CERN
**
** This software is provided 'as-is', without any express or implied
** warranty.  In no event will the authors be held liable for any damages
** arising from the use of this software.
**
** Permission is granted to anyone to use this software for any purpose,
** including commercial applications, and to alter it and redistribute it
** freely, subject to the following restrictions:
**
** 1. The origin of this software must not be misrepresented; you must not
**    claim that you wrote the original software. If you use this software
**    in a product, an acknowledgment in the product documentation would be
**    appreciated but is not required.
** 2. Altered source versions must be plainly marked as such, and must not be
**    misrepresented as being the original software.
** 3. This notice may not be removed or altered from any source distribution.
**
** Created on: 2025-04-17T13:04:55
** Author: Sylvain Fargier <sylvain.fargier@cern.ch>
*/
 
#ifndef MGRBLPLATFORMDATA_HPP__
#define MGRBLPLATFORMDATA_HPP__
 
#if !defined(GCC_LINT)
#pragma once
#endif
 
#include "MGrblPlatform.hpp"
#include "util/grbl/GrblDeviceBase.hpp"
 
namespace smc {
namespace internal {
 
struct MGrblPlatform::Context
{
    Context(const std::string &prefix, const ccut::yml::NodeRef &ref);
    virtual ~Context() = default;
 
    const std::string prefix;
    const std::string id;
 
    std::chrono::steady_clock::time_point nextPoll;
 
    void checkReply(grbl::ErrorCode rc);
 
    std::set<mgrbl::Instance> used;
 
    std::shared_ptr<grbl::GrblDeviceBase> device;
};
 
struct MGrblPlatform::ImmediateCmd
{
    typedef std::function<void(ImmediateCmd &, Context &)> Function;
 
    explicit ImmediateCmd(Function run, PromiseBase *prom) :
        run(run),
        prom(prom)
    {}
    Function run;
    std::unique_ptr<PromiseBase> prom;
};
 
template<typename T>
std::future<T> MGrblPlatform::run(
    std::function<void(ImmediateCmd &, Context &)> run)
{
    ImmediateCmd cmd{run, new Promise<T>()};
    std::future<T> ret = cmd.prom->get<T>().get_future();
 
    std::unique_lock<std::mutex> lock(m_lock);
    if (m_started)
    {
        m_immediate.push(std::move(cmd));
        lock.unlock();
        wake();
    }
    else
        cmd.prom->set_exception(
            Exception(ErrorCode::Canceled, "platform stopped"));
    return ret;
}
 
} // namespace internal
} // namespace smc
 
#endif