private void btnDownload_Click(object sender, EventArgs e)
{
var client = new AgentSvcClient();
try {
var stream = client.DownloadConfig(sessionID, new ConfigOptions());
if (stream == null)
{
MessageBox.Show(@"Download stream is null.");
}
else
{
var t0 = DateTime.UtcNow;
var buf = new byte[1024];
using (var fileStream =
File.Open(DefConfigArc, FileMode.Create, FileAccess.Write, FileShare.Read)) {
stream.CopyTo(fileStream);
}
stream.Dispose();
MessageBox.Show(@"Done in " + (int)(DateTime.UtcNow - t0).TotalMilliseconds + @" ms");
}
} finally {
client.Close();
}
}
/// <summary>
/// Downloads the configuration to the file.
/// </summary>
public void DownloadConfig(string destFileName, ConfigOptions configOptions)
{
if (string.IsNullOrEmpty(destFileName))
{
throw new ArgumentException("destFileName must not be empty.", "destFileName");
}
if (configOptions == null)
{
throw new ArgumentNullException("configOptions");
}
RestoreConnection();
if (IsLocal)
{
// copy the configuration locally
if (!client.PackConfig(sessionID, destFileName, configOptions))
{
throw new ScadaException(Localization.UseRussian ?
"Не удалось упаковать конфигурацию в архив." :
"Unable to pack the configuration in the archive.");
}
}
else
{
// transfer the configuration over the network
Stream downloadStream = client.DownloadConfig(sessionID, configOptions);
if (downloadStream == null)
{
throw new ScadaException(Localization.UseRussian ?
"Отсутствуют данные для скачивания." :
"No data to download.");
}
try
{
using (FileStream destStream =
new FileStream(destFileName, FileMode.Create, FileAccess.Write, FileShare.Read))
{
downloadStream.CopyTo(destStream);
}
}
finally
{
downloadStream.Dispose();
}
}
RegisterActivity();
}