session_manager.hpp

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#pragma once
 
#include <string>
#include <optional>
 
 
#include "native.h"
#include <asio.hpp>
 
#include <spdlog/spdlog.h>
#include <absl/container/flat_hash_map.h>
 
namespace dcn
{
    using SessionID = std::string;
    using UserID = std::string;
 
    class SessionManager
    {
    public:
            SessionManager(asio::io_context & io_context);
 
            virtual ~SessionManager() = default;
 
            asio::awaitable<std::optional<SessionID>> createSession(const std::string& user_id);
            asio::awaitable<std::optional<UserID>> validateSession(const std::string& session_id);
            asio::awaitable<bool> destroySession(const SessionID & session_id);
 
        protected:
            std::optional<SessionID> generateSessionId();
 
        private:    
            asio::strand<asio::io_context::executor_type> _strand;
            absl::flat_hash_map<SessionID, UserID> _sessions;
    };
}