SessionStateStoreData Deserialize(HttpContext context, string serializedItems, int timeout)
{
MemoryStream ms = null;
Stream input;
BinaryReader reader = null;
#if NET_4_0
GZipStream gzip = null;
#endif
try {
ms = new MemoryStream(Convert.FromBase64String(serializedItems));
var sessionItems = new SessionStateItemCollection();
if (ms.Length > 0)
{
#if NET_4_0
if (sessionConfig.CompressionEnabled)
{
input = gzip = new GZipStream(ms, CompressionMode.Decompress, true);
}
else
#endif
input = ms;
reader = new BinaryReader(input);
sessionItems = SessionStateItemCollection.Deserialize(reader);
#if NET_4_0
if (gzip != null)
{
gzip.Close();
}
#endif
reader.Close();
}
return(new SessionStateStoreData(sessionItems, SessionStateUtility.GetSessionStaticObjects(context), timeout));
} finally {
#if NET_4_0
if (reader != null)
{
reader.Dispose();
}
if (gzip != null)
{
gzip.Dispose();
}
#else
if (reader != null)
{
((IDisposable)reader).Dispose();
}
#endif
if (ms != null)
{
ms.Dispose();
}
}
}
internal static SessionStateStoreData Deserialize(HttpContext context, Stream stream)
{
int timeout;
SessionStateItemCollection sessionItems;
bool hasItems;
bool hasStaticObjects;
HttpStaticObjectsCollection staticObjects;
Byte eof;
Debug.Assert(context != null);
try {
BinaryReader reader = new BinaryReader(stream);
timeout = reader.ReadInt32();
hasItems = reader.ReadBoolean();
hasStaticObjects = reader.ReadBoolean();
if (hasItems)
{
sessionItems = SessionStateItemCollection.Deserialize(reader);
}
else
{
sessionItems = new SessionStateItemCollection();
}
if (hasStaticObjects)
{
staticObjects = HttpStaticObjectsCollection.Deserialize(reader);
}
else
{
staticObjects = SessionStateUtility.GetSessionStaticObjects(context);
}
eof = reader.ReadByte();
if (eof != 0xff)
{
throw new HttpException(SR.GetString(SR.Invalid_session_state));
}
}
catch (EndOfStreamException) {
throw new HttpException(SR.GetString(SR.Invalid_session_state));
}
return(new SessionStateStoreData(sessionItems, staticObjects, timeout));
}
internal static SessionStateStoreData Deserialize(HttpContext context, Stream stream)
{
int num;
SessionStateItemCollection items;
HttpStaticObjectsCollection sessionStaticObjects;
try
{
BinaryReader reader = new BinaryReader(stream);
num = reader.ReadInt32();
bool flag = reader.ReadBoolean();
bool flag2 = reader.ReadBoolean();
if (flag)
{
items = SessionStateItemCollection.Deserialize(reader);
}
else
{
items = new SessionStateItemCollection();
}
if (flag2)
{
sessionStaticObjects = HttpStaticObjectsCollection.Deserialize(reader);
}
else
{
sessionStaticObjects = GetSessionStaticObjects(context);
}
if (reader.ReadByte() != 0xff)
{
throw new HttpException(System.Web.SR.GetString("Invalid_session_state"));
}
}
catch (EndOfStreamException)
{
throw new HttpException(System.Web.SR.GetString("Invalid_session_state"));
}
return(new SessionStateStoreData(items, sessionStaticObjects, num));
}
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);
}
