/// <summary>
/// Is calles when the request for information about a available update has been completed.
/// </summary>
/// <param name="sender">The WebClient that completed the operation.</param>
/// <param name="e">
/// <see cref="UploadStringCompletedEventArgs" />
/// </param>
private void UpdateUploadStringCompleted(object sender, UploadStringCompletedEventArgs e)
{
try
{
if (e.Error != null)
{
var args = new UpdateErrorEventArgs($"Could not reach the update server..");
this.ErrorOccured?.Invoke(this, args);
}
else
{
UpdateResponse response = JsonConvert.DeserializeObject <UpdateResponse>(e.Result);
this.downloadLink = response.Link;
if (!string.IsNullOrEmpty(this.downloadLink))
{
this.AvailableUpdateDetected?.Invoke(this, new EventArgs());
}
}
}
catch (JsonReaderException)
{
this.ErrorOccured?.Invoke(
this,
new UpdateErrorEventArgs($"Could not parse the data that was returned from the update server."));
}
}
/// <summary>
/// Is called when download of a file has completed.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void UpdateDownloadFileCompleted(object sender, AsyncCompletedEventArgs e)
{
// Extracts the update.zip file to the directory that the launcher assembly is in.
new ZipExtractor().Extract("update.zip", Path.GetDirectoryName(this.GetType().Assembly.Location));
// The launcher assembly has to be replaces(requires a restart).
if (File.Exists("G2O_Launcher.exe.update"))
{
try
{
StringBuilder batch = new StringBuilder();
batch.AppendLine($"taskkill /F /IM {Assembly.GetExecutingAssembly().GetName().Name}.exe");
string appPath = Assembly.GetExecutingAssembly().Location;
batch.AppendLine("timeout /t 1 /nobreak");
batch.AppendLine($"move /y \"{appPath}.update\" \"{appPath}\"");
batch.AppendLine($"\"{appPath}\"");
batch.AppendLine("del /F \"%~f0\"");
batch.AppendLine("exit");
string batchPath = Path.Combine(Path.GetTempPath(), Path.GetRandomFileName() + ".bat");
File.WriteAllText(batchPath, batch.ToString());
ProcessStartInfo processStart = new ProcessStartInfo();
processStart.WindowStyle = ProcessWindowStyle.Hidden;
processStart.FileName = batchPath;
processStart.UseShellExecute = true;
processStart.RedirectStandardOutput = false;
processStart.RedirectStandardError = false;
Process.Start(processStart);
//// Kill the G2O_Update process if it already exists.
// foreach (var process in Process.GetProcessesByName("G2O_Update.exe"))
// {
// process.Kill();
// }
// if (Process.Start("G2O_Update.exe") != null)
// {
// Environment.Exit(0);
// }
// else
// {
// var args = new UpdateErrorEventArgs($"Cannot start update process!");
// this.ErrorOccured?.Invoke(this, args);
// }
}
catch (Win32Exception)
{
var args = new UpdateErrorEventArgs($"G2O_Update.exe didn't exist!");
this.ErrorOccured?.Invoke(this, args);
}
}
// Update complete no restart required.
else
{
this.UpdateCompleted?.Invoke(this, new EventArgs());
}
}