Revert "Merge master into teravuswork", it should have been avination, not master.

This reverts commit dfac269032300872c4d0dc507f4f9062d102b0f4, reversing
changes made to 619c39e5144f15aca129d6d999bcc5c34133ee64.

1 files changed, 7 insertions, 77 deletions

diff --git a/OpenSim/Region/OptionalModules/Avatar/XmlRpcGroups/GroupsMessagingModule.cs b/OpenSim/Region/OptionalModules/Avatar/XmlRpcGroups/GroupsMessagingModule.cs
index 1528330..10b83e6 100644
--- a/OpenSim/Region/OptionalModules/Avatar/XmlRpcGroups/GroupsMessagingModule.cs
+++ b/OpenSim/Region/OptionalModules/Avatar/XmlRpcGroups/GroupsMessagingModule.cs
@@ -27,7 +27,6 @@
 
 using System;
 using System.Collections.Generic;
-using System.Linq;
 using System.Reflection;
 using log4net;
 using Mono.Addins;
@@ -37,8 +36,6 @@ using OpenMetaverse.StructuredData;
 using OpenSim.Framework;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.Framework.Scenes;
-using OpenSim.Services.Interfaces;
-using PresenceInfo = OpenSim.Services.Interfaces.PresenceInfo;
 
 namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
 {
@@ -48,7 +45,6 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
         private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
 
         private List<Scene> m_sceneList = new List<Scene>();
-        private IPresenceService m_presenceService;
 
         private IMessageTransferModule m_msgTransferModule = null;
 
@@ -58,27 +54,6 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
         private bool m_groupMessagingEnabled = false;
         private bool m_debugEnabled = true;
 
-        /// <summary>
-        /// If enabled, module only tries to send group IMs to online users by querying cached presence information.
-        /// </summary>
-        private bool m_messageOnlineAgentsOnly;
-
-        /// <summary>
-        /// Cache for online users.
-        /// </summary>
-        /// <remarks>
-        /// Group ID is key, presence information for online members is value.
-        /// Will only be non-null if m_messageOnlineAgentsOnly = true
-        /// We cache here so that group messages don't constantly have to re-request the online user list to avoid
-        /// attempted expensive sending of messages to offline users.
-        /// The tradeoff is that a user that comes online will not receive messages consistently from all other users
-        /// until caches have updated.
-        /// Therefore, we set the cache expiry to just 20 seconds.
-        /// </remarks>
-        private ExpiringCache<UUID, PresenceInfo[]> m_usersOnlineCache;
-
-        private int m_usersOnlineCacheExpirySeconds = 20;
-
         #region IRegionModuleBase Members
 
         public void Initialise(IConfigSource config)
@@ -108,17 +83,10 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
                     return;
                 }
 
-                m_messageOnlineAgentsOnly = groupsConfig.GetBoolean("MessageOnlineUsersOnly", false);
-
-                if (m_messageOnlineAgentsOnly)
-                     m_usersOnlineCache = new ExpiringCache<UUID, PresenceInfo[]>();
-
                 m_debugEnabled = groupsConfig.GetBoolean("DebugEnabled", true);
             }
 
-            m_log.InfoFormat(
-                "[GROUPS-MESSAGING]: GroupsMessagingModule enabled with MessageOnlineOnly = {0}, DebugEnabled = {1}",
-                m_messageOnlineAgentsOnly, m_debugEnabled);
+            m_log.Info("[GROUPS-MESSAGING]: GroupsMessagingModule starting up");
         }
 
         public void AddRegion(Scene scene)
@@ -158,8 +126,6 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
                 return;
             }
 
-            if (m_presenceService == null)
-                m_presenceService = scene.PresenceService;
 
             m_sceneList.Add(scene);
 
@@ -241,42 +207,12 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
         public void SendMessageToGroup(GridInstantMessage im, UUID groupID)
         {
             List<GroupMembersData> groupMembers = m_groupData.GetGroupMembers(new UUID(im.fromAgentID), groupID);
-            int groupMembersCount = groupMembers.Count;
-
-            if (m_messageOnlineAgentsOnly)
-            {
-                string[] t1 = groupMembers.ConvertAll<string>(gmd => gmd.AgentID.ToString()).ToArray();
-
-                // We cache in order not to overwhlem the presence service on large grids with many groups.  This does
-                // mean that members coming online will not see all group members until after m_usersOnlineCacheExpirySeconds has elapsed.
-                // (assuming this is the same across all grid simulators).
-                PresenceInfo[] onlineAgents;
-                if (!m_usersOnlineCache.TryGetValue(groupID, out onlineAgents))
-                {
-                    onlineAgents = m_presenceService.GetAgents(t1);
-                    m_usersOnlineCache.Add(groupID, onlineAgents, m_usersOnlineCacheExpirySeconds);
-                }
-
-                HashSet<string> onlineAgentsUuidSet = new HashSet<string>();
-                Array.ForEach<PresenceInfo>(onlineAgents, pi => onlineAgentsUuidSet.Add(pi.UserID));
-
-                groupMembers = groupMembers.Where(gmd => onlineAgentsUuidSet.Contains(gmd.AgentID.ToString())).ToList();
-
-    //            if (m_debugEnabled)
-//                    m_log.DebugFormat(
-//                        "[GROUPS-MESSAGING]: SendMessageToGroup called for group {0} with {1} visible members, {2} online",
-//                        groupID, groupMembersCount, groupMembers.Count());
-            }
-            else
-            {
-                if (m_debugEnabled)
-                    m_log.DebugFormat(
-                        "[GROUPS-MESSAGING]: SendMessageToGroup called for group {0} with {1} visible members",
-                        groupID, groupMembers.Count);
-            }
-
-            int requestStartTick = Environment.TickCount;
-
+            
+            if (m_debugEnabled) 
+                m_log.DebugFormat(
+                    "[GROUPS-MESSAGING]: SendMessageToGroup called for group {0} with {1} visible members", 
+                    groupID, groupMembers.Count);
+            
             foreach (GroupMembersData member in groupMembers)
             {
                 if (m_groupData.hasAgentDroppedGroupChatSession(member.AgentID, groupID))
@@ -318,12 +254,6 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
                     ProcessMessageFromGroupSession(msg);
                 }
             }
-
-            // Temporary for assessing how long it still takes to send messages to large online groups.
-            if (m_messageOnlineAgentsOnly)
-                m_log.DebugFormat(
-                    "[GROUPS-MESSAGING]: SendMessageToGroup for group {0} with {1} visible members, {2} online took {3}ms",
-                    groupID, groupMembersCount, groupMembers.Count(), Environment.TickCount - requestStartTick);
         }
         
         #region SimGridEventHandlers