private void SaveSessionToDatabase(SessionId sessionId, User user, ConnectionTicket ticket)
{
lock (_lockObj)
{
try
{
using (ServerDataContext context = new ServerDataContext())
{
ActiveSession session = new ActiveSession
{
Id = ObjectId.NewId(),
SessionId = sessionId.ToString(),
UserId = user.Id,
ClientComputer = ticket.ClientComputer,
Port = ticket.Port
};
context.ActiveSessions.Add(session);
context.SaveChanges();
}
}
catch (Exception e)
{
ApplicationContext.Log.Error(GetType(), e);
throw;
}
}
}
public UserData CreateUser(string username)
{
lock (_lockObj)
{
using (ServerDataContext context = new ServerDataContext())
{
User user = context.Users.Create();
user.Id = ObjectId.NewId();
user.Name = username;
user.SecurityToken = ObjectId.NewId().ToString();
context.Users.Add(user);
context.SaveChanges();
return(context.CreateUserData(user));
}
}
}
public bool ChangeUserName(Guid userId, string newName)
{
lock (_lockObj)
{
using (ServerDataContext context = new ServerDataContext())
{
User user = context.Users.Find(userId);
if (user == null)
{
return(false);
}
user.Name = newName;
context.SaveChanges();
return(true);
}
}
}
public bool RemoveUser(Guid userId)
{
lock (_lockObj)
{
using (ServerDataContext context = new ServerDataContext())
{
User user = context.Users.Find(userId);
if (user == null)
{
return(false);
}
context.Users.Remove(user);
context.SaveChanges();
return(true);
}
}
}
private void RemoveSessionFromDatabase(SessionId sessionId)
{
lock (_lockObj)
{
try
{
using (ServerDataContext context = new ServerDataContext())
{
context.RemoveSession(sessionId);
context.SaveChanges();
}
}
catch (Exception e)
{
ApplicationContext.Log.Error(GetType(), e);
throw;
}
}
}
public void ReconnectSessions()
{
using (ServerDataContext context = new ServerDataContext())
{
List <SessionId> toRemove = new List <SessionId>();
foreach (ActiveSession session in context.ActiveSessions)
{
SessionId sessionId = new SessionId(session.SessionId);
SessionData data = new SessionData(sessionId, context.CreateFakeTicket(session));
_sessions.TryAdd(sessionId, data);
try
{
using (ClientProxy proxy = CreateClientProxy(data.Ticket))
{
proxy.ConnectionRestarted();
Logger.Info("Restarted session to computer {0}.", data.Ticket.ClientComputer);
}
}
catch (Exception e)
{
toRemove.Add(sessionId);
ApplicationContext.Log.Error(GetType(), e);
ApplicationContext.Log.Info(GetType(), "Removed session to: {0}", data.Ticket.ClientComputer);
}
}
if (toRemove.Count > 0)
{
foreach (SessionId sessionId in toRemove)
{
SessionData tmpData;
context.RemoveSession(sessionId);
_sessions.TryRemove(sessionId, out tmpData);
}
context.SaveChanges();
}
}
}
