private EnvelopeType GetOvfEnvelope(out string error)
{
error = string.Empty;
string path = m_textBoxFile.Text;
string extension = Path.GetExtension(path).ToLower();
if (extension == ".ovf")
{
EnvelopeType env = null;
try
{
env = OVF.Load(path);
}
catch (OutOfMemoryException ex)
{
log.ErrorFormat("Failed to load OVF {0} as we ran out of memory: {1}", path, ex.Message);
env = null;
}
if (env == null)
{
error = Messages.INVALID_OVF;
return(null);
}
return(env);
}
if (extension == ".ova")
{
if (!CheckSourceIsWritable(out error))
{
return(null);
}
try
{
string x = OVF.ExtractOVFXml(path);
var env = Tools.DeserializeOvfXml(x);
if (env == null)
{
error = Messages.IMPORT_SELECT_APPLIANCE_PAGE_ERROR_CORRUPT_OVA;
return(null);
}
return(env);
}
catch (Exception)
{
error = Messages.IMPORT_SELECT_APPLIANCE_PAGE_ERROR_CORRUPT_OVA;
return(null);
}
}
return(null);
}
private void webclient_DownloadFileCompleted(object sender, AsyncCompletedEventArgs e)
{
if (e.Error != null) //failure
{
Program.Invoke(this, () =>
{
DownloadedPath = null;
m_tlpProgress.Visible = false;
var appfile = (ApplianceFile)e.UserState;
ShowDownloadError(string.Format(Messages.IMPORT_DOWNLOAD_ERROR, appfile.RemoteUri, e.Error.Message));
});
}
else if (e.Cancelled) //user cancelled
{
Program.Invoke(this, () =>
{
DownloadedPath = null;
DialogResult = DialogResult.Cancel;
});
}
else //success
{
Program.Invoke(this, () =>
{
var appfile = (ApplianceFile)e.UserState;
if (m_filesToDownload.Peek() == appfile)
{
m_filesToDownload.Dequeue();
}
if (appfile.LocalPath == DownloadedPath && DownloadedPath.ToLower().EndsWith(".ovf"))
{
var envType = OVF.Load(DownloadedPath);
if (envType != null)
{
int index = m_uri.OriginalString.LastIndexOf('/') + 1;
var remoteDir = m_uri.OriginalString.Substring(0, index);
foreach (var file in envType.References.File)
{
var remoteUri = new Uri(remoteDir + file.href);
var localPath = Path.Combine(m_textBoxWorkspace.Text, file.href);
m_filesToDownload.Enqueue(new ApplianceFile(remoteUri, localPath));
}
}
}
if (m_filesToDownload.Count == 0)
{
m_progressBar.Value = 100;
DialogResult = DialogResult.Yes;
}
else
{
var file = m_filesToDownload.Peek();
m_webClient.DownloadFileAsync(file.RemoteUri, file.LocalPath, file);
}
});
}
}
private void webclient_DownloadFileCompleted(object sender, AsyncCompletedEventArgs e)
{
Program.Invoke(this, () =>
{
var appfile = (ApplianceFile)e.UserState;
if (e.Cancelled)
{
longProcessInProgress = false;
}
else if (e.Error != null) // failure
{
progressBar1.Visible = false;
labelProgress.Visible = false;
_labelError.Text = string.Format(Messages.IMPORT_WIZARD_FAILED_DOWNLOAD,
Path.GetFileName(appfile.LocalPath));
m_tlpError.Visible = true;
log.Error(string.Format("Failed to download file {0}.", appfile), e.Error);
longProcessInProgress = false;
}
else // success
{
if (_filesToDownload.Peek() == appfile)
{
_filesToDownload.Dequeue();
}
if (appfile.LocalPath.ToLower().EndsWith(".ovf"))
{
var envType = OVF.Load(appfile.LocalPath);
if (envType != null)
{
int index = _uri.OriginalString.LastIndexOf('/') + 1;
var remoteDir = _uri.OriginalString.Substring(0, index);
foreach (var file in envType.References.File)
{
var remoteUri = new Uri(remoteDir + file.href);
var localPath = Path.Combine(_downloadFolder, file.href);
_filesToDownload.Enqueue(new ApplianceFile(remoteUri, localPath));
}
}
}
if (_filesToDownload.Count == 0)
{
progressBar1.Value = 100;
progressBar1.Visible = false;
labelProgress.Visible = false;
m_textBoxFile.Text = Path.Combine(_downloadFolder, Path.GetFileName(_uri.AbsolutePath));
longProcessInProgress = false;
}
else
{
progressBar1.Value = 0;
var file = _filesToDownload.Peek();
labelProgress.Text = string.Format(Messages.IMPORT_WIZARD_DOWNLOADING,
Path.GetFileName(file.LocalPath).Ellipsise(50));
_webClient.DownloadFileAsync(file.RemoteUri, file.LocalPath, file);
}
}
});
}