static internal SessionDictionary Deserialize(BinaryReader reader)
{
SessionDictionary d = new SessionDictionary();
int count;
int nullKey;
String key;
Object value;
int i;
count = reader.ReadInt32();
nullKey = reader.ReadInt32();
for (i = 0; i < count; i++)
{
if (i == nullKey)
{
key = null;
}
else
{
key = reader.ReadString();
}
value = AltSerialization.ReadValueFromStream(reader);
d.BaseSet(key, value);
}
d._dirty = false;
return(d);
}
void UpdateSession(string id, int timeout, SessionDictionary dict)
{
((IDataParameter)updateCommand.Parameters["SessionID"]).Value = id;
((IDataParameter)updateCommand.Parameters["Expires"]).Value = DateTime.Now.AddMinutes(timeout);
((IDataParameter)updateCommand.Parameters["Timeout"]).Value = timeout;
((IDataParameter)updateCommand.Parameters["SessionData"]).Value = dict.ToByteArray();
updateCommand.ExecuteNonQuery();
}
internal SessionDictionary Clone ()
{
SessionDictionary sess = new SessionDictionary ();
int last = Count;
for (int i = 0; i < last; i++) {
string key = GetKey (i);
sess [key] = this [key];
}
return sess;
}
internal InProcSessionState(
SessionDictionary dict,
HttpStaticObjectsCollection staticObjects,
int timeout,
bool isCookieless,
int streamLength,
bool locked,
DateTime utcLockDate,
int lockCookie)
{
Copy(dict, staticObjects, timeout, isCookieless, streamLength, locked, utcLockDate, lockCookie);
}
internal static SessionDictionary Deserialize(BinaryReader r)
{
SessionDictionary result = new SessionDictionary();
for (int i = r.ReadInt32(); i > 0; i--)
{
result [r.ReadString()] =
System.Web.Util.AltSerialization.Deserialize(r);
}
return(result);
}
internal SessionDictionary Clone()
{
SessionDictionary sess = new SessionDictionary();
int last = Count;
for (int i = 0; i < last; i++)
{
string key = GetKey(i);
sess [key] = this [key];
}
return(sess);
}
void UpdateSessionWithRetry(string id, int timeout, SessionDictionary dict)
{
try {
UpdateSession(id, timeout, dict);
return;
} catch {
}
try {
DisposeConnection();
} catch {
}
InitializeConnection();
UpdateSession(id, timeout, dict);
}
static protected SessionStateItem Deserialize(
Stream stream,
int lockCookie)
{
SessionStateItem item;
int timeout;
bool isCookieless;
SessionDictionary dict;
bool hasDict;
bool hasStaticObjects;
HttpStaticObjectsCollection col;
Byte eof;
BinaryReader reader = new BinaryReader(stream);
timeout = reader.ReadInt32();
isCookieless = reader.ReadBoolean();
hasDict = reader.ReadBoolean();
hasStaticObjects = reader.ReadBoolean();
if (hasDict)
{
dict = SessionDictionary.Deserialize(reader);
}
else
{
dict = null;
}
if (hasStaticObjects)
{
col = HttpStaticObjectsCollection.Deserialize(reader);
}
else
{
col = null;
}
eof = reader.ReadByte();
Debug.Assert(eof == 0xff);
item = new SessionStateItem(
dict, col, timeout, isCookieless, (int)stream.Position,
false, TimeSpan.Zero, lockCookie);
return(item);
}
internal static SessionDictionary FromByteArray(byte [] data)
{
SessionDictionary result = null;
MemoryStream stream = null;
try {
stream = new MemoryStream(data);
result = Deserialize(new BinaryReader(stream));
} catch {
throw;
} finally {
if (stream != null)
{
stream.Close();
}
}
return(result);
}
internal HttpSessionState (string id,
SessionDictionary dict,
HttpStaticObjectsCollection staticObjects,
int timeout,
bool newSession,
bool isCookieless,
SessionStateMode mode,
bool isReadonly)
{
_id = id;
_dict = dict;
_staticObjects = staticObjects.Clone ();
_timeout = timeout;
_newSession = newSession;
_isCookieless = isCookieless;
_mode = mode;
_isReadonly = isReadonly;
}
internal HttpSessionState(string id,
SessionDictionary dict,
HttpStaticObjectsCollection staticObjects,
int timeout,
bool newSession,
bool isCookieless,
SessionStateMode mode,
bool isReadonly)
{
_id = id;
_dict = dict;
_staticObjects = staticObjects.Clone();
_timeout = timeout;
_newSession = newSession;
_isCookieless = isCookieless;
_mode = mode;
_isReadonly = isReadonly;
}
internal void Copy(
SessionDictionary dict,
HttpStaticObjectsCollection staticObjects,
int timeout,
bool isCookieless,
int streamLength,
bool locked,
DateTime utcLockDate,
int lockCookie)
{
this.dict = dict;
this.staticObjects = staticObjects;
this.timeout = timeout;
this.isCookieless = isCookieless;
this.streamLength = streamLength;
this.locked = locked;
this.utcLockDate = utcLockDate;
this.lockCookie = lockCookie;
}
internal SessionStateItem(
SessionDictionary dict,
HttpStaticObjectsCollection staticObjects,
int timeout,
bool isCookieless,
int streamLength,
bool locked,
TimeSpan lockAge,
int lockCookie)
{
this.dict = dict;
this.staticObjects = staticObjects;
this.timeout = timeout;
this.isCookieless = isCookieless;
this.streamLength = streamLength;
this.locked = locked;
this.lockAge = lockAge;
this.lockCookie = lockCookie;
}
public void UpdateHandler(HttpContext context, SessionStateModule module)
{
HttpSessionState session = context.Session;
if (session == null || session.IsReadOnly)
{
return;
}
string id = session.SessionID;
if (!session._abandoned)
{
SessionDictionary dict = session.SessionDictionary;
UpdateSessionWithRetry(id, session.Timeout, dict);
}
else
{
DeleteSessionWithRetry(id);
}
}
HttpSessionState SelectSession(string id, bool read_only)
{
HttpSessionState session = null;
using (IDataReader reader = GetReaderWithRetry(id)) {
if (!reader.Read())
{
return(null);
}
SessionDictionary dict;
HttpStaticObjectsCollection sobjs;
int timeout;
dict = SessionDictionary.FromByteArray(ReadBytes(reader, reader.FieldCount - 1));
sobjs = HttpStaticObjectsCollection.FromByteArray(ReadBytes(reader, reader.FieldCount - 2));
// try to support as many DBs/int types as possible
timeout = Convert.ToInt32(reader.GetValue(reader.FieldCount - 3));
session = new HttpSessionState(id, dict, sobjs, timeout, false, config.CookieLess,
SessionStateMode.SQLServer, read_only);
return(session);
}
}
void UpdateSessionWithRetry (string id, int timeout, SessionDictionary dict)
{
try {
UpdateSession (id, timeout, dict);
return;
} catch {
}
try {
DisposeConnection ();
} catch {
}
InitializeConnection ();
UpdateSession (id, timeout, dict);
}
internal static SessionDictionary Deserialize (BinaryReader r)
{
SessionDictionary result = new SessionDictionary ();
for (int i = r.ReadInt32(); i > 0; i--)
result [r.ReadString ()] =
System.Web.Util.AltSerialization.Deserialize (r);
return result;
}
internal static SessionDictionary Deserialize (BinaryReader r)
{
SessionDictionary result = new SessionDictionary ();
for (int i = r.ReadInt32 (); i > 0; i--) {
string key = r.ReadString ();
int index = r.ReadInt32 ();
if (index == System.Web.Util.AltSerialization.NullIndex)
result [key] = null;
else
result [key] = System.Web.Util.AltSerialization.DeserializeFromIndex (index, r);
}
return result;
}
void UpdateSession (string id, int timeout, SessionDictionary dict)
{
((IDataParameter)updateCommand.Parameters["SessionID"]).Value = id;
((IDataParameter)updateCommand.Parameters["Expires"]).Value = DateTime.Now.AddMinutes (timeout);
((IDataParameter)updateCommand.Parameters["Timeout"]).Value = timeout;
((IDataParameter)updateCommand.Parameters["SessionData"]).Value = dict.ToByteArray ();
updateCommand.ExecuteNonQuery ();
}
private void UpdateSession (string id, SessionDictionary dict)
{
IDbCommand command = cnc.CreateCommand ();
IDataParameterCollection param;
string update = "UPDATE ASPStateTempSessions SET " +
"SessionData = :SessionData WHERE SessionId = :SessionID";
command.CommandText = update;
param = command.Parameters;
param.Add (CreateParam (command, DbType.String, ":SessionID", id));
param.Add (CreateParam (command, DbType.Binary, ":SessionData",
dict.ToByteArray ()));
command.ExecuteNonQuery ();
}
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;
}