//initializes the Updater
private void Initialize()
{
StatusChanged(this, new StatusEventArgs("Loading Updater configuration file..."));
//load Updater configuration file
if (!updaterConfig.Load(updaterConfigurationFile))
{
StatusChanged(this, new StatusEventArgs("Error! Bad Updater configuration file."));
MessageBox.Show("Error! Bad Updater configuration file.", "Error!", MessageBoxButtons.OK,
MessageBoxIcon.Error);
OnClose(this, EventArgs.Empty);
return;
}
//delete temporary download folder
DeleteTempFolder();
//set background image
StatusChanged(this, new StatusEventArgs("Loading background..."));
SetBackgroundImg();
//set number of the last background image to the next number
StatusChanged(this, new StatusEventArgs("Writing updater configuration file..."));
if (!updaterConfig.SaveLastBackgroundImg(updaterConfigurationFile, updaterConfig.NextBackgroundImgNumber))
{
StatusChanged(this, new StatusEventArgs("Error! Can't write to Updater configuration file."));
MessageBox.Show("Error! Can't write to Updater configuration file.", "Error!", MessageBoxButtons.OK,
MessageBoxIcon.Error);
OnClose(this, EventArgs.Empty);
return;
}
//next action --> get new Updater
NextAction("getNewUpdater");
}
//checks if a new version of the Updater is existing and downloads it
private void GetNewUpdater()
{
//configuration file of the new Updater
UpdaterConfig newUpdaterConfig = new UpdaterConfig();
//load configuration file of the new Updater
StatusChanged(this,new StatusEventArgs("Loading new Updater configuration file..."));
if (!newUpdaterConfig.Load(updaterConfig.AbsUpdaterPathOnServer +
updaterConfigurationFile))
{
StatusChanged(this,new StatusEventArgs("Error! Bad Updater configuration file on server."));
MessageBox.Show("Error! Bad Updater configuration file on server.", "Error!", MessageBoxButtons.OK,
MessageBoxIcon.Error);
OnClose(this, EventArgs.Empty);
return;
}
//check if a new version of the Updater is existing
StatusChanged(this,new StatusEventArgs("Checking version..."));
if (Version.ToLong(newUpdaterConfig.VersionNumber) > Version.ToLong(updaterConfig.VersionNumber))
{
//load files into download list
StatusChanged(this,new StatusEventArgs("Creating file list..."));
if (!LoadUpdaterFilesIntoDownloadList(newUpdaterConfig))
{
StatusChanged(this,new StatusEventArgs("Error on creating file list for self-update"));
MessageBox.Show("Error on creating file list for self-update.", "Error!", MessageBoxButtons.OK,
MessageBoxIcon.Error);
OnClose(this, EventArgs.Empty);
return;
}
//create the temporary download folder
StatusChanged(this,new StatusEventArgs("Creating temporary download directory..."));
if (!CreateTempFolder())
{
StatusChanged(this,new StatusEventArgs("Error on creating temporary download directory..."));
MessageBox.Show("Error on creating temporary download directory...", "Error!", MessageBoxButtons.OK,
MessageBoxIcon.Error);
OnClose(this, EventArgs.Empty);
return;
}
//start download
StatusChanged(this,new StatusEventArgs("Downloading..."));
fileTransfer.DownloadFilesAsync(filesToDownload.Values.ToList(), true,
new Uri(updaterConfig.AbsUpdaterPathOnServer), updaterConfig.TempFolder + "/",
delegate(FileTransferResult result) //callback function after download is completed
{
filesToDownload.Clear();
//download successful
if (result == FileTransferResult.Success)
{
InstallUpdater();
NextAction("getNewGame");
}
//download unsuccessful
else
{
MessageBox.Show("Download Failure! Please try again.",
"Failure!",MessageBoxButtons.OK,MessageBoxIcon.Error);
OnClose(this, EventArgs.Empty);
}
}
);
}
else //if no new version of the Updater was found
NextAction("getNewGame");
}
//checks if a new version of the Updater is existing and downloads it
private void GetNewUpdater()
{
//configuration file of the new Updater
UpdaterConfig newUpdaterConfig = new UpdaterConfig();
//load configuration file of the new Updater
StatusChanged(this, new StatusEventArgs("Loading new Updater configuration file..."));
if (!newUpdaterConfig.Load(updaterConfig.AbsUpdaterPathOnServer +
updaterConfigurationFile))
{
StatusChanged(this, new StatusEventArgs("Error! Bad Updater configuration file on server."));
MessageBox.Show("Error! Bad Updater configuration file on server.", "Error!", MessageBoxButtons.OK,
MessageBoxIcon.Error);
OnClose(this, EventArgs.Empty);
return;
}
//check if a new version of the Updater is existing
StatusChanged(this, new StatusEventArgs("Checking version..."));
if (Version.ToLong(newUpdaterConfig.VersionNumber) > Version.ToLong(updaterConfig.VersionNumber))
{
//load files into download list
StatusChanged(this, new StatusEventArgs("Creating file list..."));
if (!LoadUpdaterFilesIntoDownloadList(newUpdaterConfig))
{
StatusChanged(this, new StatusEventArgs("Error on creating file list for self-update"));
MessageBox.Show("Error on creating file list for self-update.", "Error!", MessageBoxButtons.OK,
MessageBoxIcon.Error);
OnClose(this, EventArgs.Empty);
return;
}
//create the temporary download folder
StatusChanged(this, new StatusEventArgs("Creating temporary download directory..."));
if (!CreateTempFolder())
{
StatusChanged(this, new StatusEventArgs("Error on creating temporary download directory..."));
MessageBox.Show("Error on creating temporary download directory...", "Error!", MessageBoxButtons.OK,
MessageBoxIcon.Error);
OnClose(this, EventArgs.Empty);
return;
}
//start download
StatusChanged(this, new StatusEventArgs("Downloading..."));
fileTransfer.DownloadFilesAsync(filesToDownload.Values.ToList(), true,
new Uri(updaterConfig.AbsUpdaterPathOnServer), updaterConfig.TempFolder + "/",
delegate(FileTransferResult result) //callback function after download is completed
{
filesToDownload.Clear();
//download successful
if (result == FileTransferResult.Success)
{
InstallUpdater();
NextAction("getNewGame");
}
//download unsuccessful
else
{
MessageBox.Show("Download Failure! Please try again.",
"Failure!", MessageBoxButtons.OK, MessageBoxIcon.Error);
OnClose(this, EventArgs.Empty);
}
}
);
}
else //if no new version of the Updater was found
{
NextAction("getNewGame");
}
}