protected async virtual Task <string> DownloadUpdateAsync(ApplicationInfo appInfo)
{
if (appInfo == null)
{
throw new ArgumentNullException("appInfo");
}
DirectoryInfo dir = new DirectoryInfo(UpdaterPaths.GetTempUpdatesFolder());
if (!dir.Exists)
{
dir.Create();
}
string pathToCopyUpdate = Path.Combine(dir.FullName, appInfo.Version.Md5hash);
using (var operationScope = new OperationScope(currentOperation, OperationStatus.Downloading))
{
try
{
using (var webClient = new WebClient())
{
using (var stream = await webClient.OpenReadTaskAsync(UpdaterPaths.GetUpdatePath(appInfo.Version.Path)))
{
int bytesTotal = Convert.ToInt32(webClient.ResponseHeaders["Content-Length"]);
using (FileStream fs = new FileStream(pathToCopyUpdate, FileMode.Create))
{
int bytesRead = 0;
int bytesLoaded = 0;
byte[] buffer = new byte[4096];
do
{
bytesRead = await stream.ReadAsync(buffer, 0, buffer.Length);
fs.Write(buffer, 0, bytesRead);
bytesLoaded += bytesRead;
double progress = (double)bytesLoaded / bytesTotal * 100;
ProgressReport((int)progress);
}while (bytesRead > 0);
}
}
}
return(pathToCopyUpdate);
}
catch
{
throw new UpdaterException(UpdaterError.DownloadingFailed);
}
}
}
public async virtual Task InitializeAsync(string pathToUpdatingData = null, X509Certificate2 assemblyCertificate = null)
{
this.assemblyCertificate = assemblyCertificate;
// clear old data
Clear();
if (string.IsNullOrWhiteSpace(pathToUpdatingData))
{
pathToUpdatingData = UpdaterPaths.GetUpdaterDataPath();
}
else
{
pathToUpdatingData = UpdaterPaths.GetUpdatePath(pathToUpdatingData);
}
using (var operationScope = new OperationScope(currentOperation, OperationStatus.Getting))
{
var response = await loader.LoadApplicationInfoAsync(pathToUpdatingData);
applicationInfo = response.ToArray();
isInitialized = true;
}
}