Allow one to specify a DefaultHGRegion flag in [GridService] in order to allow different default regions for HG and direct grid logins.

This requires a new GridService.GetDefaultHypergridRegions() so ROBUST services require updating but not simulators.
This method still returns regions flagged with just DefaultRegion after any DefaultHGRegions, so if no DefaultHGRegions are specified
then existing configured defaults will still work.
Immediate use is for conference where we need to be able to specify different defaults
However, this is also generally useful to send experienced HG users to one default location and local users whose specified region fails (e.g. no "home" or "last") to another.

6 files changed, 90 insertions, 4 deletions

diff --git a/OpenSim/Services/Connectors/Grid/GridServicesConnector.cs b/OpenSim/Services/Connectors/Grid/GridServicesConnector.cs
index 34ed0d7..0f5a613 100644
--- a/OpenSim/Services/Connectors/Grid/GridServicesConnector.cs
+++ b/OpenSim/Services/Connectors/Grid/GridServicesConnector.cs
@@ -515,6 +515,57 @@ namespace OpenSim.Services.Connectors
             return rinfos;
         }
 
+        public List<GridRegion> GetDefaultHypergridRegions(UUID scopeID)
+        {
+            Dictionary<string, object> sendData = new Dictionary<string, object>();
+
+            sendData["SCOPEID"] = scopeID.ToString();
+
+            sendData["METHOD"] = "get_default_hypergrid_regions";
+
+            List<GridRegion> rinfos = new List<GridRegion>();
+            string reply = string.Empty;
+            string uri = m_ServerURI + "/grid";
+            try
+            {
+                reply = SynchronousRestFormsRequester.MakeRequest("POST",
+                        uri,
+                        ServerUtils.BuildQueryString(sendData));
+
+                //m_log.DebugFormat("[GRID CONNECTOR]: reply was {0}", reply);
+            }
+            catch (Exception e)
+            {
+                m_log.DebugFormat("[GRID CONNECTOR]: Exception when contacting grid server at {0}: {1}", uri, e.Message);
+                return rinfos;
+            }
+
+            if (reply != string.Empty)
+            {
+                Dictionary<string, object> replyData = ServerUtils.ParseXmlResponse(reply);
+
+                if (replyData != null)
+                {
+                    Dictionary<string, object>.ValueCollection rinfosList = replyData.Values;
+                    foreach (object r in rinfosList)
+                    {
+                        if (r is Dictionary<string, object>)
+                        {
+                            GridRegion rinfo = new GridRegion((Dictionary<string, object>)r);
+                            rinfos.Add(rinfo);
+                        }
+                    }
+                }
+                else
+                    m_log.DebugFormat("[GRID CONNECTOR]: GetDefaultHypergridRegions {0} received null response",
+                        scopeID);
+            }
+            else
+                m_log.DebugFormat("[GRID CONNECTOR]: GetDefaultHypergridRegions received null reply");
+
+            return rinfos;
+        }
+
         public List<GridRegion> GetFallbackRegions(UUID scopeID, int x, int y)
         {
             Dictionary<string, object> sendData = new Dictionary<string, object>();
diff --git a/OpenSim/Services/Connectors/SimianGrid/SimianGridServiceConnector.cs b/OpenSim/Services/Connectors/SimianGrid/SimianGridServiceConnector.cs
index bcc1e4a..816591b 100644
--- a/OpenSim/Services/Connectors/SimianGrid/SimianGridServiceConnector.cs
+++ b/OpenSim/Services/Connectors/SimianGrid/SimianGridServiceConnector.cs
@@ -330,6 +330,12 @@ namespace OpenSim.Services.Connectors.SimianGrid
                 return new List<GridRegion>(0);
         }
 
+        public List<GridRegion> GetDefaultHypergridRegions(UUID scopeID)
+        {
+            // TODO: Allow specifying the default grid location
+            return GetDefaultRegions(scopeID);
+        }
+
         public List<GridRegion> GetFallbackRegions(UUID scopeID, int x, int y)
         {
             GridRegion defRegion = GetNearestRegion(new Vector3d(x, y, 0.0), true);
diff --git a/OpenSim/Services/GridService/GridService.cs b/OpenSim/Services/GridService/GridService.cs
index a1485c8..e72b7f9 100644
--- a/OpenSim/Services/GridService/GridService.cs
+++ b/OpenSim/Services/GridService/GridService.cs
@@ -265,8 +265,9 @@ namespace OpenSim.Services.GridService
                 m_log.DebugFormat("[GRID SERVICE]: Database exception: {0}", e);
             }
 
-            m_log.DebugFormat("[GRID SERVICE]: Region {0} ({1}) registered successfully at {2}-{3}", 
-                regionInfos.RegionName, regionInfos.RegionID, regionInfos.RegionCoordX, regionInfos.RegionCoordY);
+            m_log.DebugFormat("[GRID SERVICE]: Region {0} ({1}) registered successfully at {2}-{3} with flags {4}", 
+                regionInfos.RegionName, regionInfos.RegionID, regionInfos.RegionCoordX, regionInfos.RegionCoordY, 
+                (OpenSim.Framework.RegionFlags)flags);
 
             return String.Empty;
         }
@@ -478,6 +479,33 @@ namespace OpenSim.Services.GridService
             return ret;
         }
 
+        public List<GridRegion> GetDefaultHypergridRegions(UUID scopeID)
+        {
+            List<GridRegion> ret = new List<GridRegion>();
+
+            List<RegionData> regions = m_Database.GetDefaultHypergridRegions(scopeID);
+
+            foreach (RegionData r in regions)
+            {
+                if ((Convert.ToInt32(r.Data["flags"]) & (int)OpenSim.Framework.RegionFlags.RegionOnline) != 0)
+                    ret.Add(RegionData2RegionInfo(r));
+            }
+
+            int hgDefaultRegionsFoundOnline = regions.Count;
+
+            // For now, hypergrid default regions will always be given precedence but we will also return simple default
+            // regions in case no specific hypergrid regions are specified.
+            ret.AddRange(GetDefaultRegions(scopeID));
+
+            int normalDefaultRegionsFoundOnline = ret.Count - hgDefaultRegionsFoundOnline;
+
+            m_log.DebugFormat(
+                "[GRID SERVICE]: GetDefaultHypergridRegions returning {0} hypergrid default and {1} normal default regions", 
+                hgDefaultRegionsFoundOnline, normalDefaultRegionsFoundOnline);
+
+            return ret;
+        }
+
         public List<GridRegion> GetFallbackRegions(UUID scopeID, int x, int y)
         {
             List<GridRegion> ret = new List<GridRegion>();
diff --git a/OpenSim/Services/GridService/HypergridLinker.cs b/OpenSim/Services/GridService/HypergridLinker.cs
index 8335724..4024295 100644
--- a/OpenSim/Services/GridService/HypergridLinker.cs
+++ b/OpenSim/Services/GridService/HypergridLinker.cs
@@ -79,7 +79,7 @@ namespace OpenSim.Services.GridService
             {
                 if (m_DefaultRegion == null)
                 {
-                    List<GridRegion> defs = m_GridService.GetDefaultRegions(m_ScopeID);
+                    List<GridRegion> defs = m_GridService.GetDefaultHypergridRegions(m_ScopeID);
                     if (defs != null && defs.Count > 0)
                         m_DefaultRegion = defs[0];
                     else
diff --git a/OpenSim/Services/HypergridService/GatekeeperService.cs b/OpenSim/Services/HypergridService/GatekeeperService.cs
index e10c4cb..f6136b5 100644
--- a/OpenSim/Services/HypergridService/GatekeeperService.cs
+++ b/OpenSim/Services/HypergridService/GatekeeperService.cs
@@ -171,7 +171,7 @@ namespace OpenSim.Services.HypergridService
             m_log.DebugFormat("[GATEKEEPER SERVICE]: Request to link to {0}", (regionName == string.Empty)? "default region" : regionName);
             if (!m_AllowTeleportsToAnyRegion || regionName == string.Empty)
             {
-                List<GridRegion> defs = m_GridService.GetDefaultRegions(m_ScopeID);
+                List<GridRegion> defs = m_GridService.GetDefaultHypergridRegions(m_ScopeID);
                 if (defs != null && defs.Count > 0)
                 {
                     region = defs[0];
diff --git a/OpenSim/Services/Interfaces/IGridService.cs b/OpenSim/Services/Interfaces/IGridService.cs
index 6ed681f..88ac5b3 100644
--- a/OpenSim/Services/Interfaces/IGridService.cs
+++ b/OpenSim/Services/Interfaces/IGridService.cs
@@ -97,6 +97,7 @@ namespace OpenSim.Services.Interfaces
         List<GridRegion> GetRegionRange(UUID scopeID, int xmin, int xmax, int ymin, int ymax);
 
         List<GridRegion> GetDefaultRegions(UUID scopeID);
+        List<GridRegion> GetDefaultHypergridRegions(UUID scopeID);
         List<GridRegion> GetFallbackRegions(UUID scopeID, int x, int y);
         List<GridRegion> GetHyperlinks(UUID scopeID);