1 files changed, 28 insertions, 2 deletions

diff --git a/OpenSim/Services/HypergridService/GatekeeperService.cs b/OpenSim/Services/HypergridService/GatekeeperService.cs
index 8ad9df8..4c134db 100644
--- a/OpenSim/Services/HypergridService/GatekeeperService.cs
+++ b/OpenSim/Services/HypergridService/GatekeeperService.cs
@@ -411,13 +411,39 @@ namespace OpenSim.Services.HypergridService
 
                 if(!m_allowDuplicatePresences)
                 {
+//// TODO - Should also check Presence.UserID if RegionID == UUID.Zero, they are a ghost.  Maybe.
+////            NOTE - this is a person hypergridding in, or returning home, or just logging in and it's duplicating effort in OpenSim/Services/LLLoginService/LLLoginService.cs.
                     if(guinfo != null && guinfo.Online && guinfo.LastRegionID != UUID.Zero)
                     {
-                        if(SendAgentGodKillToRegion(UUID.Zero, agentID, guinfo))
+                        // Also check Presence.UserID if RegionID == UUID.Zero, they are a ghost.
+                        // Ghosting might be caused by failure to call PresenceService.LogoutAgent() on logout / crash / failed login.
+                        // Might also need to double check if they are out hypergridding.
+
+                        bool success = false;
+                        if (m_PresenceService != null)
+                        {
+                            PresenceInfo pi = m_PresenceService.GetAgentByUser(account.PrincipalID);
+                            if (null != pi)
+                            {
+                                Dictionary<string, object> pid = pi.ToKeyValuePairs();
+                                if ((pid["RegionID"].ToString() == UUID.Zero.ToString()) && (0 != String.Compare(pid["SessionID"].ToString(), aCircuit.SessionID.ToString())))
+                                {
+                                    m_log.WarnFormat("[GATEKEEPER SERVICE]: Exorcising ghost avatar {0}, session {1}, new session {2}.", pid["UserID"], pid["SessionID"], aCircuit.SessionID);
+m_log.WarnFormat("[GATEKEEPER SERVICE]: NOT REALLY.");
+//// Don't do this until after more checking.
+////                                        success = m_PresenceService.LogoutAgent(new UUID(pid["SessionID"].ToString()));
+////                                        if (success)
+////                                    m_log.WarnFormat("[GATEKEEPER SERVICE]: Ghost avatar exorcised {0}, session {1}, new session {2}.", pid["UserID"], pid["SessionID"], aCircuit.SessionID);
+////                                else
+////                                    m_log.ErrorFormat("[GATEKEEPER SERVICE]: Ghost avatar not exorcised {0}, session {1}, new session {2}!", pid["UserID"], pid["SessionID"], aCircuit.SessionID);
+                                }
+                            }
+                        }
+                        if ((!success) && SendAgentGodKillToRegion(UUID.Zero, agentID, guinfo))
                         {
                             if(account != null)
                                 m_log.InfoFormat(
-                                    "[GATEKEEPER SERVICE]: Login failed for {0} {1}, reason: already logged in",
+                                    "[GATEKEEPER SERVICE]: Login failed for {0} {1}, reason: already logged in.  This may be bogus if a ghost avatar was exorcised above.",
                                     account.FirstName, account.LastName);
                             reason = "You appear to be already logged in on the destination grid " +
                                     "Please wait a a minute or two and retry. " +