/// <summary>
/// 由托管exe调用，尝试升级。如果返回true，托管exe应该退出程序，否则会因托管exe正在运行而无法正常升级，升级成功后Updater有义务调用RunManagedExe()再重新启动托管exe。
/// </summary>
/// <param name="upgradeConfig">升级配置</param>
/// <param name="updaterExeFileName">自定义的Updater Exe文件路径</param>
/// <returns>是否需要升级且已启动升级</returns>
public static UpgradeStatus TryUpgrade(UpgradeConfig upgradeConfig, string updaterExeFileName)
{
FileInfo fileInfo = new FileInfo(updaterExeFileName);
if (!fileInfo.Exists)
{
throw new Exception("Can't found the updater exe");
}
if (IsUpdaterRunning())
{
return(UpgradeStatus.Upgrading);
}
var args = Environment.GetCommandLineArgs().ToList();
args.RemoveAt(0);
if (args.LastOrDefault() == UpdatedSign)
{
return(UpgradeStatus.Ended);
}
IUpgradeService upgradeService = new UpgradeService(upgradeConfig);
if (!upgradeService.DetectNewVersion())
{
return(UpgradeStatus.NoNewVersion);
}
if (string.IsNullOrEmpty(upgradeConfig.TargetFolder))
{
upgradeConfig.TargetFolder = AppDomain.CurrentDomain.BaseDirectory;
}
else
{
upgradeConfig.TargetFolder = new DirectoryInfo(upgradeConfig.TargetFolder).FullName;
}
UpgradeCmdArg arg = new UpgradeCmdArg()
{
Config = upgradeConfig,
ManagedExeFileName = System.Reflection.Assembly.GetEntryAssembly().Location,
ManagedExeArguments = string.Join(" ", args)
};
System.Diagnostics.ProcessStartInfo startInfo = new System.Diagnostics.ProcessStartInfo();
startInfo.FileName = fileInfo.FullName;
startInfo.Arguments = "\"" + Convert.ToBase64String(XmlSerializer.ToBinary(arg)) + "\"";
System.Diagnostics.Process.Start(startInfo);
return(UpgradeStatus.Started);
}
/// <summary>
/// 由Updater升级前调用，尝试创建升级服务对象，如果不能从启动程序中获取到启动配置参数则创建失败。
/// </summary>
/// <param name="upgradeService"></param>
/// <returns>是否成功创建了升级服务</returns>
public static bool TryResolveUpgradeService(out IUpgradeService upgradeService)
{
upgradeService = null;
var runArgs = Environment.GetCommandLineArgs().ToList();
runArgs.RemoveAt(0);
if (runArgs.Count == 0)
{
return(false);
}
try
{
byte[] argData = Convert.FromBase64String(runArgs[0]);
_upgradeCmdArg = XmlSerializer.ToObject <UpgradeCmdArg>(argData);
upgradeService = new UpgradeService(_upgradeCmdArg.Config);
return(true);
}
catch (Exception exc)
{
return(false);
}
}