static void wc_DownloadFileCompleted(object sender, System.ComponentModel.AsyncCompletedEventArgs e)
{
ICollection ic = downloadQueue as ICollection;
//
lock (ic.SyncRoot)
{
DownloadQueueItem qi = Array.Find <DownloadQueueItem>(downloadQueue.ToArray(),
x => x.ConnectionPoint == sender);
//
if (e.Error != null)
{
//
if (qi != null)
{
Log.WriteError(String.Format("Could not download app {0}", qi.ItemKey), e.Error);
}
else
{
Log.WriteError(e.Error);
}
}
//
downloadQueue.Remove(qi);
}
}
public static int GetApplicationDownloadProgress(string appName)
{
int appProgress = 0;
//
bool appInQueue = IsApplicationInDownloadQueue(appName);
//
if (appInQueue)
{
ICollection ic = downloadQueue as ICollection;
//
lock (ic.SyncRoot)
{
DownloadQueueItem qi = Array.Find <DownloadQueueItem>(downloadQueue.ToArray(),
x => x.ItemKey == appName.ToLower());
//
if (qi.Progress != null)
{
appProgress = qi.Progress.ProgressPercentage;
}
}
}
//
return(appProgress);
}
//
public static void StartApplicationDownload(string appName, string packageUrl, string localPathToStore)
{
//
bool appInQueue = IsApplicationInDownloadQueue(appName);
//
if (!appInQueue)
{
ICollection ic = downloadQueue as ICollection;
//
lock (ic.SyncRoot)
{
//
DownloadQueueItem qi = new DownloadQueueItem
{
ItemKey = appName.ToLower(),
ConnectionPoint = new WebClient(),
Progress = null
};
//
qi.DownloadItemURI = packageUrl;
qi.LocalFilePathToStore = localPathToStore;
qi.ConnectionPoint.Headers.Add(HttpRequestHeader.UserAgent, WebApplicationGallery.WEB_PI_USER_AGENT_HEADER);
qi.ConnectionPoint.DownloadFileCompleted += new System.ComponentModel.AsyncCompletedEventHandler(wc_DownloadFileCompleted);
qi.ConnectionPoint.DownloadProgressChanged += new DownloadProgressChangedEventHandler(wc_DownloadProgressChanged);
//
downloadQueue.Add(qi);
// Start async download (10 attempts)
int numOfAttempt = 0;
do
{
try
{
bool success = ThreadPool.QueueUserWorkItem(
new WaitCallback(qi.StartItemDownloadAsync));
// Exit the loop if the item successfuly queued
if (success)
{
break;
}
}
catch (Exception ex)
{
numOfAttempt++;
// Log an exception
Log.WriteError(String.Format("Could not start distibutive download from the following URI: {0}", qi.DownloadItemURI), ex);
}
}while (numOfAttempt <= 10);
}
}
}
static void wc_DownloadProgressChanged(object sender, DownloadProgressChangedEventArgs e)
{
ICollection ic = downloadQueue as ICollection;
//
lock (ic.SyncRoot)
{
DownloadQueueItem qi = Array.Find <DownloadQueueItem>(downloadQueue.ToArray(),
x => x.ConnectionPoint == sender);
if (qi != null)
{
qi.Progress = e;
}
}
}
//
public static void StartApplicationDownload(string appName, string packageUrl, string localPathToStore)
{
//
bool appInQueue = IsApplicationInDownloadQueue(appName);
//
if (!appInQueue)
{
ICollection ic = downloadQueue as ICollection;
//
lock (ic.SyncRoot)
{
//
DownloadQueueItem qi = new DownloadQueueItem
{
ItemKey = appName.ToLower(),
ConnectionPoint = new WebClient(),
Progress = null
};
//
qi.DownloadItemURI = packageUrl;
qi.LocalFilePathToStore = localPathToStore;
qi.ConnectionPoint.Headers.Add(HttpRequestHeader.UserAgent, String.Format(WebApplicationGallery.WEB_PI_USER_AGENT_HEADER, Environment.OSVersion));
qi.ConnectionPoint.DownloadFileCompleted += new System.ComponentModel.AsyncCompletedEventHandler(wc_DownloadFileCompleted);
qi.ConnectionPoint.DownloadProgressChanged += new DownloadProgressChangedEventHandler(wc_DownloadProgressChanged);
//
downloadQueue.Add(qi);
// Start async download (10 attempts)
int numOfAttempt = 0;
do
{
try
{
bool success = ThreadPool.QueueUserWorkItem(
new WaitCallback(qi.StartItemDownloadAsync));
// Exit the loop if the item successfuly queued
if (success)
break;
}
catch (Exception ex)
{
numOfAttempt++;
// Log an exception
Log.WriteError(String.Format("Could not start distibutive download from the following URI: {0}", qi.DownloadItemURI), ex);
}
}
while (numOfAttempt <= 10);
}
}
}
