protected internal override UpdaterHandler OnTransition(UpdaterHandler[] all, UpdaterHandler next)
{
if (LocalVersion == RemoteVersion)
{
return(null); // over, no next any more
}
if (LocalVersion > RemoteVersion)
{
AppendLog("Local version greater than remote version! clear local all!");
// clear all, re update all
UpdaterVerifyFileHandler.ClearAllUpdateFiles(_localUpdaterPath, this);
// IMPOSSIBLE！ local version cannot greater than Remote version! this must be a revert operation
LocalVersion = 0;
}
if (RemoteVersion == 0) // no update! over now!
{
return(null);
}
AppendLog("Local version {0}, Remote Version {1}, do update!", LocalVersion, RemoteVersion);
// default, next go
return(next);
}
private void Threader(object state)
{
if (Directory.Exists(_localUpdatePath))
{
AppendLog("Flag check not valid!");
UpdaterVerifyFileHandler.ClearAllUpdateFiles(_localUpdatePath);
} // else do nothing
Finish();
}
protected internal override void Start()
{
// get local version
try
{
LocalVersion = LocalVersionFile.GetLocalVersion(_localUpdaterPath, _versionFileName, 0);
}
catch (Exception e)
{
// parse resources_version file failed, clear all
OnError(this, e.Message);
UpdaterVerifyFileHandler.ClearAllUpdateFiles(_localUpdaterPath, this);
}
RemoteVersion = _requestVersionHandler.GetVersion();
Finish();
}
