//called to set the session for the current connection
internal void SetSession(SessionState session)
{
_session = session;
}
public static void LoadStateForConnection(HttpRequest request,Site site)
{
switch (site.SessionStateType)
{
case SiteSessionTypes.ThreadState:
if (request.Cookie.SessionID == null)
{
Monitor.Enter(_lock);
if (_ipSessionIds == null)
_ipSessionIds = new Dictionary<string, CachedItemContainer>();
if (_ipSessionIds.ContainsKey(request.Connection.Client.ToString()))
request.Cookie.SessionID = _ipSessionIds[request.Connection.Client.ToString()].Value.ToString();
Monitor.Exit(_lock);
}
if (request.Cookie.SessionID != null)
{
Monitor.Enter(_lock);
if (_sessions == null)
_sessions = new List<SessionState>();
for (int x = 0; x < _sessions.Count; x++)
{
SessionState session = _sessions[x];
if (session.ID == request.Cookie.SessionID)
{
session.Renew(site.SessionTimeoutMinutes);
request.SetSession(session);
_sessions.RemoveAt(x);
_sessions.Insert(x, session);
break;
}
}
Monitor.Exit(_lock);
}
if (request.Session==null)
{
Monitor.Enter(_lock);
while (true)
{
bool okay = true;
string id = GenerateSessionID();
if (_sessions == null)
_sessions = new List<SessionState>();
foreach (SessionState session in _sessions)
{
if (session.ID == id)
{
okay = false;
break;
}
}
if (okay)
{
if (_ipSessionIds == null)
_ipSessionIds = new Dictionary<string, CachedItemContainer>();
_ipSessionIds.Add(request.Connection.Client.ToString(), new CachedItemContainer(id));
SessionState ss = new SessionState(id);
ss.Renew(site.SessionTimeoutMinutes);
_sessions.Add(ss);
request.SetSession(ss);
break;
}
}
Monitor.Exit(_lock);
request.ResponseCookie.SessionID = request.Session.ID;
}
break;
case SiteSessionTypes.FileSystem:
if (request.Cookie.SessionID == null)
{
Monitor.Enter(_lock);
if (_ipSessionIds == null)
_ipSessionIds = new Dictionary<string, CachedItemContainer>();
if (_ipSessionIds.ContainsKey(request.Connection.Client.ToString()))
request.Cookie.SessionID = _ipSessionIds[request.Connection.Client.ToString()].Value.ToString();
Monitor.Exit(_lock);
}
if (request.Cookie.SessionID != null)
{
Monitor.Enter(_lock);
DirectoryInfo di = new DirectoryInfo(site.TMPPath + Path.DirectorySeparatorChar + "Sessions");
if (!di.Exists)
di.Create();
if (di.GetFiles(request.Cookie.SessionID + ".xml").Length > 0)
{
SessionState ss = new SessionState(request.Cookie.SessionID);
ss.LoadFromFile(di.FullName + Path.DirectorySeparatorChar + request.Cookie.SessionID + ".xml");
ss.Renew(site.SessionTimeoutMinutes);
ss.StoreToFile(di.FullName + Path.DirectorySeparatorChar + request.Cookie.SessionID + ".xml");
request.SetSession(ss);
}
Monitor.Exit(_lock);
}
if (request.Session == null)
{
Monitor.Enter(_lock);
DirectoryInfo di = new DirectoryInfo(site.TMPPath + Path.DirectorySeparatorChar + "Sessions");
if (!di.Exists)
di.Create();
while (true)
{
string id = GenerateSessionID();
if (_sessions == null)
_sessions = new List<SessionState>();
if (di.GetFiles(id + ".xml").Length == 0)
{
if (_ipSessionIds == null)
_ipSessionIds = new Dictionary<string, CachedItemContainer>();
_ipSessionIds.Add(request.Connection.Client.ToString(), new CachedItemContainer(id));
SessionState ss = new SessionState(id);
ss.StoreToFile(di.FullName + Path.DirectorySeparatorChar + id + ".xml");
request.SetSession(ss);
break;
}
}
Monitor.Exit(_lock);
request.ResponseCookie.SessionID = request.Session.ID;
}
break;
}
}
