static void StartDownload(string url)
{
try
{
_updateState = EUpdateState.Downloading;
_updaterWindow.StatusLabel.Content = "Starting Download...";
if (File.Exists(GetSavePath()))
{
File.Delete(GetSavePath());
}
if (!Directory.Exists(GetTempDirectory()))
{
Directory.CreateDirectory(GetTempDirectory());
}
_client = new WebClient();
_client.DownloadProgressChanged += new DownloadProgressChangedEventHandler(DownloadProgressCallback);
_client.DownloadFileCompleted += new System.ComponentModel.AsyncCompletedEventHandler(DownloadCompletedCallback);
Uri uri = new Uri(url);
_client.DownloadFileAsync(uri, GetSavePath());
}
catch (Exception e)
{
_updaterWindow.StatusLabel.Content = "Error Downloading: " + e.Message;
}
}
private static void DownloadCompletedCallback(object sender, System.ComponentModel.AsyncCompletedEventArgs e)
{
if (e.Cancelled)
{
_updateState = EUpdateState.Error;
_updaterWindow.StatusLabel.Content = "Download was interrupted";
}
else if (e.Error != null)
{
_updateState = EUpdateState.Error;
_updaterWindow.StatusLabel.Content = e.Error.Message;
}
else
{
_updaterWindow.StatusLabel.Content = "Download Finished; verifying...";
// Verify the hash of the download
if (_patchHash == "" || _patchHash == RXPatchLib.Sha256.GetFileHash(GetSavePath()))
{
// Download valid; begin extraction
StartExtract();
}
else
{
// Hash mismatch; set an error
_updateState = EUpdateState.Error;
_updaterWindow.StatusLabel.Content = "Hash mismatch";
}
}
}
static void StartExtract()
{
try
{
if (Directory.Exists(GetExtractDirectory()))
{
Directory.Delete(GetExtractDirectory(), true);
}
_updateState = EUpdateState.Extracting;
_updaterWindow.StatusLabel.Content = "Extracting...";
ZipFile.ExtractToDirectory(GetSavePath(), GetExtractDirectory());
ReadyToInstall();
}
catch (Exception e)
{
_updaterWindow.StatusLabel.Content = "Error Extracting: " + e.Message;
}
}
void SetState(EUpdateState state)
{
Debug.Log($"KVUpdate ====>SetState({state})");
curState = state;
}
public static void CancelUpdate()
{
_updateState = EUpdateState.Cancelled;
// TODO: Cancel whichever state is currently happening.
}
static void ReadyToInstall()
{
_updateState = EUpdateState.ReadyToInstall;
_updaterWindow.UpdateFinished = true;
_updaterWindow.StatusLabel.Content = "Ready to install. Press close to install and restart.";
}
