private static void GetThumbnailPhotoCompleted(IAsyncResult result)
{
AirSyncPhotoRetriever.GetThumbnailPhotoFromMailboxDelegate getThumbnailPhotoFromMailboxDelegate = ((AsyncResult)result).AsyncDelegate as AirSyncPhotoRetriever.GetThumbnailPhotoFromMailboxDelegate;
AirSyncPhotoRetriever.UserPhotoWithSize userPhotoWithSize = result.AsyncState as AirSyncPhotoRetriever.UserPhotoWithSize;
try
{
byte[] userPhotoBytes = getThumbnailPhotoFromMailboxDelegate.EndInvoke(result);
lock (AirSyncPhotoRetriever.lockObject)
{
List <AirSyncPhotoRetriever.UserPhotoWithSize> list;
if (!AirSyncPhotoRetriever.userPhotosCache.ContainsKey(userPhotoWithSize.UserEmail))
{
list = new List <AirSyncPhotoRetriever.UserPhotoWithSize>();
}
else
{
list = AirSyncPhotoRetriever.userPhotosCache[userPhotoWithSize.UserEmail];
}
list.Add(new AirSyncPhotoRetriever.UserPhotoWithSize
{
UserEmail = userPhotoWithSize.UserEmail,
PhotoSize = userPhotoWithSize.PhotoSize,
UserPhotoBytes = userPhotoBytes
});
AirSyncPhotoRetriever.userPhotosCache.Add(userPhotoWithSize.UserEmail, list);
}
}
catch (AccessDeniedException arg)
{
AirSyncDiagnostics.TraceError <AccessDeniedException>(ExTraceGlobals.ProtocolTracer, "AirSyncPhotoRetriever::GetThumbnailPhotoCompleted- Access denied retrieving thumbnailPhoto via GetUserPhoto. TargetUser: {0}. Exception: {1}", userPhotoWithSize.UserEmail, arg);
}
}
internal byte[] EndGetThumbnailPhotoFromMailbox(string targetPrimarySmtpAddress, TimeSpan waitTime, UserPhotoSize photoSize)
{
AirSyncPhotoRetriever.UserPhotoWithSize userPhotoWithSize = null;
if ((!AirSyncPhotoRetriever.userPhotosCache.ContainsKey(targetPrimarySmtpAddress) || (from s in AirSyncPhotoRetriever.userPhotosCache[targetPrimarySmtpAddress]
where s.PhotoSize == photoSize
select s).Count <AirSyncPhotoRetriever.UserPhotoWithSize>() == 0) && waitTime.TotalMilliseconds > 0.0)
{
AirSyncDiagnostics.TraceDebug <string, double>(ExTraceGlobals.ProtocolTracer, "AirSyncPhotoRetriever::EndGetThumbnailPhotoFromMailbox - user photo not available in cache. TargetUser: {0}, PhotoSize: {1}, waittime:{2}", targetPrimarySmtpAddress, photoSize.ToString(), waitTime.TotalMilliseconds);
IAsyncResult asyncResult;
if (this.delegatesCollection.TryRemove(targetPrimarySmtpAddress, out asyncResult) && asyncResult.AsyncWaitHandle.WaitOne(waitTime))
{
AirSyncPhotoRetriever.GetThumbnailPhotoCompleted(asyncResult);
this.NumberOfPhotosSuccess++;
AirSyncDiagnostics.TraceDebug <int>(ExTraceGlobals.ProtocolTracer, "AirSyncPhotoRetriever::EndGetThumbnailPhotoFromMailbox - user photo successfully retrieved. user:{0}, numberofPhotosSuccess:{1}", targetPrimarySmtpAddress, this.NumberOfPhotosSuccess);
}
else
{
AirSyncDiagnostics.TraceDebug(ExTraceGlobals.ProtocolTracer, null, "AirSyncPhotoRetriever::EndGetThumbnailPhotoFromMailbox - user photo failed to retrieve.");
}
}
else
{
AirSyncDiagnostics.TraceDebug <int>(ExTraceGlobals.ProtocolTracer, null, "AirSyncPhotoRetriever::EndGetThumbnailPhotoFromMailbox - photo retrieved from cache. number of photos from cache:{0}", this.NumberOfPhotosFromCache);
}
List <AirSyncPhotoRetriever.UserPhotoWithSize> source;
if (this.VerifyUserPermissions(this.Context.User.ExchangePrincipal.MailboxInfo.PrimarySmtpAddress.ToString(), this.Context.User.OrganizationId, targetPrimarySmtpAddress) && AirSyncPhotoRetriever.userPhotosCache.TryGetValue(targetPrimarySmtpAddress, out source))
{
userPhotoWithSize = (from s in source
where s.PhotoSize == photoSize
select s).FirstOrDefault <AirSyncPhotoRetriever.UserPhotoWithSize>();
}
if (userPhotoWithSize == null)
{
return(null);
}
return(userPhotoWithSize.UserPhotoBytes);
}
