rg1/server/tools/ServerManager/SMAgent/SMAgent.cs

using System;
using System.Linq;
using System.Text;
using System.Threading;

using Sog;
using Sog.Log;
using Sog.IO;

namespace SMAgent
{
    public class SMAgentApp
    {
        private ServerApp m_app;
        private ServerType m_serverType;

        private AppParam m_appParam;

        private IShareCommand m_shareCommand;


        private long m_lastReadShmCommandTime = 0;
        private long m_serverStartTime = 0;

        private System.Threading.Mutex m_procMutex;


        private string m_serverCommand;

        private bool m_serverInitedOnTick = false;


        public SMAgentApp(AppParam appParam)
        {
            m_appParam = appParam;

            m_app = new ServerApp(m_appParam);

            m_serverType = (ServerType)ServerIDUtils.GetServerType(m_app.ServerID);

            //初始化日志等级，文件路径，文件名
            TraceLog.SetLogPathName("../log/", "smagent");
            SetLogReloadableParam();

            m_app.OnTick += this.OnTick;
        }

        private void SetLogReloadableParam()
        {
            TraceLog.SetLogLevel(LogLevel.Trace);
        }

        //初始化，读取cluster的配置文件，这个将会建立管道配置
        private int Init()
        {
            int iRet = InitShmCommand();
            if(iRet != 0)
            {
                return iRet;
            }

            //初始化时区相关信息
            AppTime.InitTimeZone();

            GCMonitor.Instance.CloseLog(1);

            SMAgentUtils.Config = JsonConfig.parseFile<SMAgentConfig>("../cfg/SMAgent.json");

            SMAgentUtils.Init(m_app);

            m_serverStartTime = AppTime.GetNowSysMs();
            return 0;
        }

        private string GetMutexName()
        {
            return "sog_" + ServerIDUtils.IDToString(m_app.ServerID);
        }

        private bool CheckAppIsAlreadyRunning()
        {
            string mutexname = GetMutexName();

            try
            {
                System.Threading.Mutex mutex;
                bool bRet = System.Threading.Mutex.TryOpenExisting(mutexname, out mutex);

                if (bRet)
                {
                    return true;
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.ToString());
                return false;
            }

            return false;
        }

        private void CreateMutex()
        {
            string mutexname = GetMutexName();
            m_procMutex = new System.Threading.Mutex(true, mutexname);
        }


        private int InitShmCommand()
        {
            if(m_appParam.RunMode == AppRunMode.None)
            {
                Console.WriteLine("server id {0} runmode init error", ServerIDUtils.IDToString(m_appParam.ServerID));
                return 2;
            }

            //启动模式
            if (m_appParam.RunMode == AppRunMode.Start)
            {
                if (CheckAppIsAlreadyRunning() == true)
                {
                    string strError = string.Format("server id {0} already running,runmode Start,please check!"
                                        , ServerIDUtils.IDToString(m_appParam.ServerID));

                    Console.WriteLine(strError);
                    return 1;
                }

                CreateMutex();

                TraceLog.Debug("==========================================================");
                TraceLog.Debug("server id {0} starting at {1}", ServerIDUtils.IDToString(m_appParam.ServerID),DateTime.Now);
                TraceLog.Debug("InitShmCommand server run in run mode,CreateShareCommand");

                m_shareCommand = new ShareMemoryCommand(m_appParam.ServerID);
                m_shareCommand.Create();

                return 0;
            }
            //代理启动模式
            else if(m_appParam.RunMode == AppRunMode.Run)
            {
                Console.WriteLine("server id {0} runmode Run not support", ServerIDUtils.IDToString(m_appParam.ServerID));
                return 9998;
            }
            //其他代理模式就是各种命令模式,写入命令后退出
            else
            {
                m_shareCommand = new ShareMemoryCommand(m_appParam.ServerID);

                bool attachSuccess = m_shareCommand.Attach();
                if (attachSuccess == false)
                {
                    string strError = string.Format("server id {0} not running,please start server use start param first!"
                        , ServerIDUtils.IDToString(m_appParam.ServerID));

                    Console.WriteLine(strError);
                    return 1;
                }

                if (m_appParam.RunMode == AppRunMode.Stop)
                {
                    m_shareCommand.WriteCommand("stop");
                    return 2;
                }


                //ReloadConfig可以带参数
                if (m_appParam.RunMode == AppRunMode.ReloadConfig)
                {
                    m_shareCommand.WriteCommand(m_appParam.CommandAllText);
                    return 4;
                }

                return 9999;
            }

            //return 0;
        }

        private void TryReadShmCommand(long tMs)
        {
            if(m_lastReadShmCommandTime == 0)
            {
                m_lastReadShmCommandTime = tMs;
                return;
            }

            //500毫秒读一次,不存在性能问题
            if (tMs - m_lastReadShmCommandTime >= 500)
            {
                m_lastReadShmCommandTime = tMs;
                string strCommand = m_shareCommand.ReadCommand();
                if (strCommand == null)
                {
                    return;
                }

                TraceLog.Debug("server read command from shm, command: {0}", strCommand);

                //设置这个供工作线程读取
                m_serverCommand = strCommand;
            }
        }


        private void OnTick(long tMs)
        {
            //初始化
            if(m_serverInitedOnTick == false)
            {
                m_serverInitedOnTick = true;

                SMAgentNet.Instance.Start();
            }

            TryReadShmCommand(tMs);

            //优先执行命令
            if (string.IsNullOrEmpty(m_serverCommand) == false)
            {
                string strcommand = m_serverCommand;
                m_serverCommand = null;
                ProcessShmCommand(strcommand);
            }

			AgentFileTransMng.Instance.Tick(tMs);
			AgentFileRecvMng.Instance.Tick(tMs);


            SMAgentNet.Instance.Update(tMs);

            SMPingSvc.Update(tMs);

            SMAgentCommand.Instance.Update(tMs);

			SMShell.UpdateProcessExit(tMs);

            //统计下Tick的效率，看1秒能够Tick多少次
            ServerStat.Instance.AddValue("TickCount", 1);

            ServerStat.Instance.Tick(tMs);
        }

        //启动服务器
        public void Start()
        {
            int  bRet = Init();
            if(bRet == 0)
            {
                m_app.Run();

                //正常进程退出sleep一下，确保log写完
                Thread.Sleep(500);

                //游戏服务器退出的时候需要调用，资源释放使用
                if (m_shareCommand != null)
                {
                    m_shareCommand.DeleteFile();
                    m_shareCommand.Close();
                    m_shareCommand = null;
                }

                if (m_procMutex != null)
                {
                    m_procMutex.Dispose();
                    m_procMutex = null;
                }

                TraceLog.Debug("server id {0} stoped at {1}", ServerIDUtils.IDToString(m_appParam.ServerID), DateTime.Now);               
            }
            else
            {
                //代理服务器退出的时候需要调用，资源释放使用
                if (m_shareCommand != null)
                {
                    m_shareCommand.Close();
                    m_shareCommand = null;
                }
            }



            if (bRet != 0)
            {
                //> 0 算是正常执行完了程序，比如reload等
                if(bRet > 0)
                {
                    return;
                }

                string strError = string.Format("call Init failed,server end");

                try
                {
                    TraceLog.Error(strError);
                }
                catch(Exception ex)
                {
                    ex.Source = null;
                }
                
                Console.WriteLine(strError);
                return;
            }
        }

        //读取指令
        private void ProcessShmCommand(string strCommand)
        {
            TraceLog.Debug("ProcessShmCommand cmd:{0}", strCommand);

            if (strCommand == "stop")
            {
                ProcessShmCommand_Stop();
            }
            else if(strCommand == "reload")
            {

            }
            else if(strCommand == "reloadconfig")
            {
                ProcessShmCommand_ReloadConfig();
            }
            else
            {
                if(strCommand.Contains(' '))
                {
                    string[] splitStr = strCommand.Split(' ');
                    if(splitStr.Length >= 2 && splitStr[0] == "gmcmd")
                    {
                        ProcessShmCommand_GmCommand(splitStr);
                    }
                }
            }
        }

        private void ProcessShmCommand_Stop()
        {
            TraceLog.Debug("ProcessShmCommand_Stop");

            SMShell.CancelShell();
            SMAgentCommand.Instance.Stop();
            m_app.StopServer();
            m_app.SetStopSuccess();

            return;
        }

        private void ProcessShmCommand_ReloadConfig()
        {
            TraceLog.Debug("ProcessShmCommand_ReloadConfig");
        }

        private void ProcessShmCommand_GmCommand(string[] splitStr)
        {
            //TraceLog.Debug("ProcessShmCommand_GmCommand");

            GmCommandMgr.Instance.HandlerGmCommandBySplit(splitStr);
        }
    }
}