c# udp通信實現

   public class launcherJson
    {
        public string dispatcher_ip;        // dispatcher地址
        public int dispatcher_port;      // dispatcher端口 5999
        public string launcher_ip;          // launcher地址
        public int launcher_port;        // launcher端口 6001
        public string gtaplugin_ip;         // gtaplugin地址
        public int gtaplugin_port;       // gtaplugin端口 6000

        public string gta_game_depth_path;
        public string gta_game_truth_path;
        public string gta_game_config_path;
        public string renderdoc_exec_path;
        public string capture_data_dir;
        public string task_json_path;
        public int time_wait_before_capture;  // 2分鐘 2*60*1000        
    }

 public class Comm
    {
        UdpClient udp_recv = null;
        System.Timers.Timer timer = null;
        private launcherJson launcher_json = null;

        public void init(ref launcherJson launcher, string file_path)
        {
            string json = File.ReadAllText(file_path, Encoding.UTF8);
            if (json.Length > 0)
            {
                launcher = JsonConvert.DeserializeObject<launcherJson>(json);
            }
        }

        public Comm(launcherJson json)
        {
            launcher_json = json;

            udp_recv = new UdpClient(new IPEndPoint(IPAddress.Parse(json.launcher_ip), json.launcher_port));//端口要與發送端相同
            Thread thread = new Thread(recv_msg);//用線程接收，避免UI卡住
            thread.IsBackground = true;
            thread.Start();

            timer = new System.Timers.Timer();
            timer.Interval = json.time_wait_before_capture;
            timer.Elapsed += delegate
            {
                string run_task_msg = string.Format("run_task,{0}", json.task_json_path);
                send_msg(json.gtaplugin_ip, json.gtaplugin_port, run_task_msg);                
            };
            timer.Start();
        }

        public void require_task()
        {
            send_msg(launcher_json.dispatcher_ip, launcher_json.dispatcher_port, "請發採集任務");
        }

        public void send_msg(string ip, int port, string msg)
        {
            IPEndPoint ip_pt = new IPEndPoint(IPAddress.Parse(ip), port);
            byte[] data = Encoding.UTF8.GetBytes(msg);
            udp_recv.Send(data, data.Length, ip_pt);
        }

        public void recv_msg(object obj)
        {
            IPEndPoint recv_ip = new IPEndPoint(IPAddress.Any, 0);
            while (true)
            {
                try
                {
                    byte[] bytRecv = udp_recv.Receive(ref recv_ip);
                    string message = Encoding.UTF8.GetString(bytRecv, 0, bytRecv.Length);                    
                    Console.WriteLine("recv:" + message);
                    Thread.Sleep(100);

                    if(recv_ip.Address== IPAddress.Parse(launcher_json.dispatcher_ip))
                    {
                        // write json
                        File.WriteAllText(launcher_json.task_json_path, message);
                    }
                    else if (recv_ip.Address == IPAddress.Parse(launcher_json.gtaplugin_ip))
                    {
                        // handle 
                    }                    
                }
                catch (Exception ex)
                {
                    Console.WriteLine("Exception:" + ex.Message);
                    //break;
                }
            }
        }

        public void modify_screen_solution(string xml_file, taskJson task)
        {

        }

        public void modify_task_solution()
        {

        }

        public void start_process_renderdoc(string exe_file, string launcher_cfg)
        {
            if (File.Exists(exe_file) && File.Exists(launcher_cfg))
            {
                FileInfo exe = new FileInfo(exe_file);
                FileInfo cfg = new FileInfo(launcher_cfg);

                //copy config files
                string new_cfg = Path.Combine(exe.DirectoryName, cfg.Name);
                File.Copy(launcher_cfg, new_cfg, true);

                ProcessStartInfo startinfo = new ProcessStartInfo(exe_file);                
                startinfo.WorkingDirectory = exe.DirectoryName;

                Process process = new Process();
                process.StartInfo = startinfo;
                process.Start();
            }            
        }

    }