UnixRouter.hpp

// SPDX-FileCopyrightText: 2025 Vincent Leroy
// SPDX-License-Identifier: MIT
//
// This file is part of dfx.
//
// Licensed under the MIT License. See the LICENSE file in the project root
// for full license information.
 
#pragma once
 
// Standard includes
#include <functional>
#include <string>
 
// Third-party includes
#include <nlohmann/json.hpp>
 
// Project includes
#include <dfx-utilities/StringMap.hpp>
#include <dfx-utilities/JsonValidator.hpp>
 
namespace dfx::Server
{
class UnixSession;
using UnixSessionPtr = std::shared_ptr<UnixSession>;

class UnixRouter
{
public:
    using Handler = std::move_only_function<bool (UnixSessionPtr, nlohmann::json, std::string)>;

    UnixRouter();

    ~UnixRouter();

    void registerCommand(std::string command, Handler handler, bool allowOverride = false);

    bool deregisterCommand(std::string_view command);

    bool isRegistered(std::string_view command) const;

    bool route(UnixSessionPtr session, nlohmann::json json);
 
private:
    std::vector<std::string> _possibleCommands;
    Utils::UnorderedStringMap<Handler> _handlers;
    Utils::JsonValidator _validator;
};
} // !namespace dfx::Server