Merge branch 'master' into careminster-presence-refactor

1 files changed, 30 insertions, 10 deletions

diff --git a/OpenSim/Services/LLLoginService/LLLoginService.cs b/OpenSim/Services/LLLoginService/LLLoginService.cs
index 1d3c412..35adf0f 100644
--- a/OpenSim/Services/LLLoginService/LLLoginService.cs
+++ b/OpenSim/Services/LLLoginService/LLLoginService.cs
@@ -28,6 +28,7 @@
 using System;
 using System.Collections;
 using System.Collections.Generic;
+using System.Linq;
 using System.Net;
 using System.Reflection;
 using System.Text.RegularExpressions;
@@ -433,12 +434,9 @@ namespace OpenSim.Services.LLLoginService
                     {
                         m_log.WarnFormat("[LLOGIN SERVICE]: User {0} {1} does not have a valid home and this grid does not have default locations. Attempting to find random region",
                             account.FirstName, account.LastName);
-                        defaults = m_GridService.GetRegionsByName(scopeID, "", 1);
-                        if (defaults != null && defaults.Count > 0)
-                        {
-                            region = defaults[0];
+                        region = FindAlternativeRegion(scopeID);
+                        if (region != null)
                             where = "safe";
-                        }
                     }
                 }
 
@@ -465,12 +463,9 @@ namespace OpenSim.Services.LLLoginService
                     else
                     {
                         m_log.Info("[LLOGIN SERVICE]: Last Region Not Found Attempting to find random region");
-                        defaults = m_GridService.GetRegionsByName(scopeID, "", 1);
-                        if (defaults != null && defaults.Count > 0)
-                        {
-                            region = defaults[0];
+                        region = FindAlternativeRegion(scopeID);
+                        if (region != null)
                             where = "safe";
-                        }
                     }
 
                 }
@@ -570,6 +565,31 @@ namespace OpenSim.Services.LLLoginService
 
         }
 
+        private GridRegion FindAlternativeRegion(UUID scopeID)
+        {
+            List<GridRegion> hyperlinks = null;
+            List<GridRegion> regions = m_GridService.GetFallbackRegions(scopeID, 1000 * (int)Constants.RegionSize, 1000 * (int)Constants.RegionSize);
+            if (regions != null && regions.Count > 0)
+            {
+                hyperlinks = m_GridService.GetHyperlinks(scopeID);
+                IEnumerable<GridRegion> availableRegions = regions.Except(hyperlinks);
+                if (availableRegions.Count() > 0)
+                    return availableRegions.ElementAt(0);
+            }
+            // No fallbacks, try to find an arbitrary region that is not a hyperlink
+            // maxNumber is fixed for now; maybe use some search pattern with increasing maxSize here?
+            regions = m_GridService.GetRegionsByName(scopeID, "", 10);
+            if (regions != null && regions.Count > 0)
+            {
+                if (hyperlinks == null)
+                    hyperlinks = m_GridService.GetHyperlinks(scopeID);
+                IEnumerable<GridRegion> availableRegions = regions.Except(hyperlinks);
+                if (availableRegions.Count() > 0)
+                    return availableRegions.ElementAt(0);
+            }
+            return null;
+        }
+
         private GridRegion FindForeignRegion(string domainName, uint port, string regionName, out GridRegion gatekeeper)
         {
             gatekeeper = new GridRegion();