public ActionResult LoadCache()
{
System.Reflection.Assembly a = System.Reflection.Assembly.GetExecutingAssembly();
DirectoryInfo d = Directory.GetParent(Directory.GetParent(a.CodeBase.ToString().Substring(8)).ToString());
string[] fileEntries = Directory.GetFiles(d.ToString() + @"/Content", "*.jpg");
var files = from f in fileEntries
where f.EndsWith(".jpg") || f.EndsWith(".png")
select f;
ViewBag.Images = new ArrayList();
for (int j = 0; j < 10; j++)
{
foreach (var fileName in files)
{
AsyncWorker l = new AsyncWorker();
String contents = (String)HttpRuntime.Cache.Get(fileName); // Check if file contents exist in cache
if (contents == null)
{
contents = l.LoadImageAsync((string)fileName);
// Insert contents into cache, specifying a 1 minute timeout policy
HttpRuntime.Cache.Insert(fileName, contents, null, System.Web.Caching.Cache.NoAbsoluteExpiration, new TimeSpan(0, 1, 0));
}
// Place image contents in an array of images in viewbag
ViewBag.Images.Add("data:image/jpeg;base64," + contents);
}
}
return View("Media");
}
/// <summary>
/// Loads all JPG and PNG images and sends them to the view synchronously.
/// </summary>
/// <returns>View of images</returns>
public ActionResult LoadMediaSynchronous()
{
System.Reflection.Assembly a = System.Reflection.Assembly.GetExecutingAssembly();
DirectoryInfo d = Directory.GetParent(Directory.GetParent(a.CodeBase.ToString().Substring(8)).ToString());
string[] fileEntries = Directory.GetFiles(d.ToString() + @"/Content", "*.jpg");
var files = from f in fileEntries
where f.EndsWith(".jpg") || f.EndsWith(".png")
select f;
ViewBag.Images = new ArrayList();
for (int j = 0; j < 10; j++)
{
foreach (var fileName in files)
{
AsyncWorker l = new AsyncWorker();
String contents = l.LoadImageAsync((string)fileName);
// Place image contents in an array of images in viewbag
ViewBag.Images.Add("data:image/jpeg;base64," + contents);
}
}
return View("Media");
}
/// <summary>
/// Loads all images using the AsyncWorker class - will not return until the number of outstanding operations
/// is zero.
/// </summary>
public void MediaAsync()
{
System.Reflection.Assembly a = System.Reflection.Assembly.GetExecutingAssembly();
DirectoryInfo d = Directory.GetParent(Directory.GetParent(a.CodeBase.ToString().Substring(8)).ToString());
string[] fileEntries = Directory.GetFiles(d.ToString() + @"/Content", "*.jpg");
var files = from f in fileEntries
where f.EndsWith(".jpg") || f.EndsWith(".png")
select f;
AsyncManager.Timeout = 10000;
ViewBag.Images = new ArrayList();
for (int j = 0; j < 10; j++)
{
foreach (var fileName in files)
{
AsyncManager.OutstandingOperations.Increment();
AsyncWorker l = new AsyncWorker();
l.LoadDataCompleted += (sender, e) =>
{
// Place image contents in an array of images in viewbag
ViewBag.Images.Add("data:image/jpeg;base64," + @e.ImageContents);
AsyncManager.OutstandingOperations.Decrement();
};
l.LoadImageAsync((string)fileName);
}
}
}
