/// <summary>
/// Fills NCache from the system ASP.NET session.
/// </summary>
/// <param name="cache"></param>
/// <param name="session"></param>
/// <param name="strict"></param>
/// <param name="async"></param>
void IDistributionStrategy.FillCacheFromSession(ISessionCache cache, HttpSessionState session, NSessionStateModule module, bool strict, bool isAbandoned)
{
string sessionId = session.SessionID;
SessionKey key = new SessionKey(sessionId, module.ApplicationId);
try
{
if (session.IsReadOnly && cache.Contains(sessionId, key.ToString()) && !isAbandoned)
{
return;
}
if (/*session.Count == 0 ||*/ isAbandoned)//[Ata]: Session is not removed from store if it is cleared
{
cache.Remove(sessionId, key.ToString(), false);
if (module.DetailedLogsEnabled)
{
NSessionStateModule.NCacheLog.Debug(sessionId + " :session removed from cache");
}
return;
}
//use-case: A session my get emptied while doing different updates... although whien added first time is is not empty
//So we must update that session rather doing no operation thinking it is empty session and need not to be added.
if (session.Count == 0 && _isNewSession) //We need not to keep any new empty session in the cache. [Asif Imam] April 09, 08
{
return;
}
IDictionary ht = new Hashtable();
foreach (string skey in session.Keys)
{
ht[skey] = session[skey];
}
byte[] _stable = CompactBinaryFormatter.ToByteBuffer(ht, module.CacheID);
if (_table != null)
{
if (BinaryComparer(_stable, _table))
{
return;
}
}
CacheItem sessionItem = new CacheItem(_stable);
sessionItem.Priority = CacheItemPriority.NotRemovable;
sessionItem.Expiration = new Runtime.Caching.Expiration(Runtime.Caching.ExpirationType.Sliding, TimeSpan.FromMinutes(session.Timeout));
cache.Insert(sessionId, key.ToString(), sessionItem, false);
}
finally
{
if (session != null && strict)
{
session.Clear();
}
}
}
/// <summary>
/// Fills NCache from the system ASP.NET session.
/// </summary>
/// <param name="cache"></param>
/// <param name="session"></param>
/// <param name="strict"></param>
/// <param name="async"></param>
void IDistributionStrategy.FillCacheFromSession(ISessionCache cache, HttpSessionState session, NSessionStateModule module, bool strict, bool isAbandoned)
{
string sessionId = session.SessionID;
SessionKey key = new SessionKey(sessionId, module.ApplicationId);
try
{
if (session.IsReadOnly && cache.Contains(sessionId, key.ToString()) && !isAbandoned)
{
return;
}
if (isAbandoned)// Session is not removed from store if it is cleared
{
cache.Remove(sessionId, key.ToString(), false);
if (module.DetailedLogsEnabled)
{
NSessionStateModule.NCacheLog.Debug(sessionId + " :session removed from cache");
}
return;
}
if (session.Count == 0 && _isNewSession) //We need not to keep any new empty session in the cache.
{
return;
}
IDictionary ht = new Hashtable();
foreach (string skey in session.Keys)
{
ht[skey] = session[skey];
}
byte[] _stable = CompactBinaryFormatter.ToByteBuffer(ht, module.CacheID);
if (_table != null)
{
if (BinaryComparer(_stable, _table))
{
return;
}
}
CacheItem sessionItem = new CacheItem(_stable);
sessionItem.Priority = CacheItemPriority.NotRemovable;
sessionItem.SlidingExpiration = TimeSpan.FromMinutes(session.Timeout);
cache.Insert(sessionId, key.ToString(), sessionItem, false);
}
finally
{
if (session != null && strict)
{
session.Clear();
}
}
}