public static ActionResult DownloadApplication(Session session) {
var deploymentManifest = new Uri(session["DeploymentManifest"]);
var cancellationTokenSource = new CancellationTokenSource();
var previousProgressPercentage = 0;
var downloadTask = (Task)null;
DisplayActionData(session, "Hello, World!");
ResetProgress(session);
using(var host = new InPlaceHostingManager(deploymentManifest, false)) {
downloadTask = host.DownloadManifestAsync();
downloadTask.Wait();
if(downloadTask.IsCanceled) {
return ActionResult.UserExit;
}
else if(downloadTask.IsFaulted) {
session.Message(InstallMessage.Error, new Record { FormatString = downloadTask.Exception.ToString() });
return ActionResult.Failure;
}
// Requirements
host.AssertApplicationRequirements(true);
// Download
downloadTask = host.DownloadApplicationAsync(progress => {
session.Log("Downloaded {0,10}", (((double)progress.ProgressPercentage) / 100d).ToString("P"));
IncrementProgress(session, progress.ProgressPercentage - previousProgressPercentage);
previousProgressPercentage = progress.ProgressPercentage;
});
downloadTask.Wait();
if(downloadTask.IsCanceled) {
return ActionResult.UserExit;
}
else if(downloadTask.IsFaulted) {
session.Message(InstallMessage.Error, new Record { FormatString = downloadTask.Exception.ToString() });
return ActionResult.Failure;
}
}
return ActionResult.Success;
}
private static Task DownloadApplication(InPlaceHostingManager host)
{
var completion = new TaskCompletionSource<int>();
host.DownloadApplicationCompleted += (sender, e) =>
{
if (e.Error != null)
{
completion.SetException(e.Error);
}
else
{
completion.SetResult(0);
}
};
host.DownloadApplicationAsync();
return completion.Task;
}
private void InstallApplication(Uri app)
{
var manager = new InPlaceHostingManager(app, false);
manager.GetManifestCompleted +=
new EventHandler<GetManifestCompletedEventArgs>(
OnGetManifestCompleted
);
// I would love to just "await manager.GetManifestAsync" here
// but GetManifestAsync returns void
_event = new AutoResetEvent(false);
// Console.WriteLine("Getting manifest for {0}", app);
manager.GetManifestAsync();
_event.WaitOne();
// this call is synchronous
// Console.WriteLine("Asserting application requirements for {0}", app);
manager.AssertApplicationRequirements(true);
// Console.WriteLine("AssertApplicationRequirements passes");
manager.DownloadApplicationCompleted +=
new EventHandler<DownloadApplicationCompletedEventArgs>(
OnDownloadApplicationCompleted
);
// Console.WriteLine("Downloading and installing {0}", app);
manager.DownloadApplicationAsync();
_event.WaitOne();
}