void UploadConfigCompleted(object sender, UploadStringCompletedEventArgs e)
{
if (e.Error != null)
{
// TODO: 记录错误...
MessageBox.Show("现在连接不上服务,请稍后再试.");
}
else
{
try
{
// 返回xml文件，包括Blob的SAS.
XDocument resultXDoc = XDocument.Parse(e.Result);
this._storyID = resultXDoc.Root.Attribute("ID").Value;
var photoElements = resultXDoc.Root.Elements("Photo");
lock (this._lockObject)
{
this._allPhotoCount = photoElements.Count();
}
// 创建一个背后的线程，等待所有图片被上传.
// 然后提交.
Thread thread = new Thread(new ThreadStart(this.WaitUntilAllPhotosUploaded));
thread.Start();
foreach (var photoElement in photoElements)
{
string name = photoElement.Attribute("Name").Value;
string blobUri = photoElement.Attribute("Uri").Value;
// 找到当前story的所有图片.
Photo photo = App.MediaCollection.Where(p => p.Name == name).FirstOrDefault();
if (photo == null)
{
throw new InvalidOperationException("找不到图片.");
}
if (photo.ResizedImageStream == null)
{
photo.ResizedImageStream = BitmapHelper.GetResizedImage(photo.Name);
}
// 上传图片到blob.
photo.ResizedImageStream.Position = 0;
RetryPolicy policy = new RetryPolicy(blobUri);
policy.RequestAddress = blobUri;
policy.Initialize = new Action(() =>
{
policy.Request.Method = "PUT";
});
policy.RequestCallback = new AsyncCallback((requestStreamResult) =>
{
Stream requestStream = policy.Request.EndGetRequestStream(requestStreamResult);
byte[] buffer = new byte[photo.ResizedImageStream.Length];
photo.ResizedImageStream.Position = 0;
photo.ResizedImageStream.Read(buffer, 0, buffer.Length);
requestStream.Write(buffer, 0, buffer.Length);
requestStream.Close();
});
policy.ResponseCallback = new AsyncCallback((responseResult) =>
{
HttpWebResponse response = (HttpWebResponse)policy.Request.EndGetResponse(responseResult);
if (response.StatusCode != HttpStatusCode.Created)
{
throw new InvalidOperationException("上传失败");
}
lock (this._lockObject)
{
this._uploadedPhotoCount++;
}
});
policy.MakeRequest();
}
}
catch
{
// TODO: 记录错误...
lock (this._lockObject)
{
this._uploadFailed = true;
}
MessageBox.Show("现在无法上传，请稍后再试.");
}
}
}