//
//  ArpServer.swift
//  sdlan
//
//  Created by 安礼成 on 2025/7/14.
//
import Foundation

actor ArpServer {
    private var known_macs: [UInt32:Data] = [:]
    
    init(known_macs: [UInt32:Data]) {
        self.known_macs = known_macs
    }
    
    func query(ip: UInt32) -> Data? {
        return self.known_macs[ip]
    }
    
    func append(ip: UInt32, mac: Data) {
        self.known_macs[ip] = mac
    }
    
    func remove(ip: UInt32) {
        self.known_macs.removeValue(forKey: ip)
    }
    
    func clear() {
        self.known_macs = [:]
    }
}