internal void CreateUninitializedItem (string id, int timeout)
{
StateServerItem item = new StateServerItem (timeout);
item.Action = SessionStateActions.InitializeItem;
LockableStateServerItem cacheItem = new LockableStateServerItem (item);
Insert (id, cacheItem);
}
internal void CreateUninitializedItem(string id, int timeout)
{
StateServerItem item = new StateServerItem(timeout);
item.Action = SessionStateActions.InitializeItem;
LockableStateServerItem cacheItem = new LockableStateServerItem(item);
Insert(id, cacheItem);
}
internal StateServerItem Get(string id)
{
StateServerItem item = cache [id] as StateServerItem;
if (item == null || item.IsAbandoned())
{
return(null);
}
return(item);
}
internal void Touch(string id, int timeout)
{
StateServerItem item = Get(id);
if (item == null)
{
return;
}
item.Timeout = timeout;
cache.SetItemTimeout(id, Cache.NoAbsoluteExpiration, new TimeSpan(0, item.Timeout, 0), false);
}
internal void Update(string id, byte [] dict_data, byte [] sobjs_data)
{
StateServerItem item = cache [id] as StateServerItem;
if (item == null)
{
return;
}
item.DictionaryData = dict_data;
item.StaticObjectsData = sobjs_data;
}
public LockableStateServerItem (StateServerItem item)
{
this.item = item;
this.rwlock = new ReaderWriterLock ();
}
internal void Insert (string id, StateServerItem item)
{
table.Add (id, item);
}
public LockableStateServerItem(StateServerItem item)
{
this.item = item;
this.rwlock = new ReaderWriterLock();
}
public HttpSessionState UpdateContext (HttpContext context, SessionStateModule module,
bool required, bool read_only, ref bool isNew)
{
if (!required)
return null;
StateServerItem item = null;
HttpSessionState session = null;
SessionDictionary dict = null;
HttpStaticObjectsCollection sobjs = null;
string id = GetId (context);
if (id != null) {
item = state_server.Get (id);
if (item != null) {
dict = SessionDictionary.FromByteArray (item.DictionaryData);
sobjs = HttpStaticObjectsCollection.FromByteArray (item.StaticObjectsData);
session = new HttpSessionState (id, dict,
HttpApplicationFactory.ApplicationState.SessionObjects,
config.Timeout, false, config.CookieLess,
SessionStateMode.StateServer, read_only);
return session;
}
}
id = SessionId.Create (module.Rng);
dict = new SessionDictionary ();
sobjs = HttpApplicationFactory.ApplicationState.SessionObjects;
item = new StateServerItem (dict.ToByteArray (), sobjs.ToByteArray (), config.Timeout);
state_server.Insert (id, item);
session = new HttpSessionState (id, dict, sobjs, config.Timeout, true,
config.CookieLess, SessionStateMode.StateServer,
read_only);
isNew = true;
return session;
}
SessionStateStoreData GetItemInternal(HttpContext context,
string id,
out bool locked,
out TimeSpan lockAge,
out object lockId,
out SessionStateActions actions,
bool exclusive)
{
Trace.WriteLine("SessionStateServerHandler.GetItemInternal");
Trace.WriteLine("\tid == " + id);
Trace.WriteLine("\tpath == " + context.Request.FilePath);
locked = false;
lockAge = TimeSpan.MinValue;
lockId = Int32.MinValue;
actions = SessionStateActions.None;
if (id == null)
{
return(null);
}
StateServerItem item = stateServer.GetItem(id,
out locked,
out lockAge,
out lockId,
out actions,
exclusive);
if (item == null)
{
Trace.WriteLine("\titem is null (locked == " + locked + ", actions == " + actions + ")");
return(null);
}
if (actions == SessionStateActions.InitializeItem)
{
Trace.WriteLine("\titem needs initialization");
return(CreateNewStoreData(context, item.Timeout));
}
SessionStateItemCollection items = null;
HttpStaticObjectsCollection sobjs = null;
MemoryStream stream = null;
BinaryReader reader = null;
try {
if (item.CollectionData != null && item.CollectionData.Length > 0)
{
stream = new MemoryStream(item.CollectionData);
reader = new BinaryReader(stream);
items = SessionStateItemCollection.Deserialize(reader);
}
else
{
items = new SessionStateItemCollection();
}
if (item.StaticObjectsData != null && item.StaticObjectsData.Length > 0)
{
sobjs = HttpStaticObjectsCollection.FromByteArray(item.StaticObjectsData);
}
else
{
sobjs = new HttpStaticObjectsCollection();
}
} catch (Exception ex) {
throw new HttpException("Failed to retrieve session state.", ex);
} finally {
if (reader != null)
{
reader.Close();
}
}
return(new SessionStateStoreData(items,
sobjs,
item.Timeout));
}
SessionStateStoreData GetItemInternal (HttpContext context,
string id,
out bool locked,
out TimeSpan lockAge,
out object lockId,
out SessionStateActions actions,
bool exclusive)
{
locked = false;
lockAge = TimeSpan.MinValue;
lockId = Int32.MinValue;
actions = SessionStateActions.None;
if (id == null)
return null;
StateServerItem item = stateServer.GetItem (id,
out locked,
out lockAge,
out lockId,
out actions,
exclusive);
if (item == null)
return null;
if (actions == SessionStateActions.InitializeItem)
return CreateNewStoreData (context, item.Timeout);
SessionStateItemCollection items = null;
HttpStaticObjectsCollection sobjs = null;
MemoryStream stream = null;
BinaryReader reader = null;
Stream input = null;
#if NET_4_0
GZipStream gzip = null;
#endif
try {
if (item.CollectionData != null && item.CollectionData.Length > 0) {
stream = new MemoryStream (item.CollectionData);
#if NET_4_0
if (config.CompressionEnabled)
input = gzip = new GZipStream (stream, CompressionMode.Decompress, true);
else
#endif
input = stream;
reader = new BinaryReader (input);
items = SessionStateItemCollection.Deserialize (reader);
#if NET_4_0
if (gzip != null)
gzip.Close ();
#endif
reader.Close ();
} else
items = new SessionStateItemCollection ();
if (item.StaticObjectsData != null && item.StaticObjectsData.Length > 0)
sobjs = HttpStaticObjectsCollection.FromByteArray (item.StaticObjectsData);
else
sobjs = new HttpStaticObjectsCollection ();
} catch (Exception ex) {
throw new HttpException ("Failed to retrieve session state.", ex);
} finally {
if (stream != null)
stream.Dispose ();
#if NET_4_0
if (reader != null)
reader.Dispose ();
if (gzip != null)
gzip.Dispose ();
#else
if (reader != null)
((IDisposable)reader).Dispose ();
#endif
}
return new SessionStateStoreData (items,
sobjs,
item.Timeout);
}
/*
void OnItemRemoved (string key, object value, CacheItemRemovedReason reason)
{
Console.WriteLine ("{2} {0} removed. Reason: {1}", key, reason, Datetime.Now);
}
*/
internal void Insert (string id, StateServerItem item)
{
//cache.Insert (id, item, null, Cache.NoAbsoluteExpiration, new TimeSpan (0, item.Timeout, 0), CacheItemPriority.Normal, removedCB);
cache.Insert (id, item, null, Cache.NoAbsoluteExpiration, new TimeSpan (0, item.Timeout, 0));
}
/*
* void OnItemRemoved (string key, object value, CacheItemRemovedReason reason)
* {
* Console.WriteLine ("{2} {0} removed. Reason: {1}", key, reason, Datetime.Now);
* }
*/
internal void Insert(string id, StateServerItem item)
{
//cache.Insert (id, item, null, Cache.NoAbsoluteExpiration, new TimeSpan (0, item.Timeout, 0), CacheItemPriority.Normal, removedCB);
cache.Insert(id, item, null, Cache.NoAbsoluteExpiration, new TimeSpan(0, item.Timeout, 0));
}
