1 files changed, 201 insertions, 0 deletions

diff --git a/OpenSim/Services/PresenceService/PresenceService.cs b/OpenSim/Services/PresenceService/PresenceService.cs
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+++ b/OpenSim/Services/PresenceService/PresenceService.cs
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+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using System.Collections.Generic;
+using System.Net;
+using System.Reflection;
+using Nini.Config;
+using log4net;
+using OpenSim.Framework;
+using OpenSim.Framework.Console;
+using OpenSim.Data;
+using OpenSim.Services.Interfaces;
+using OpenMetaverse;
+
+namespace OpenSim.Services.PresenceService
+{
+    public class PresenceService : PresenceServiceBase, IPresenceService
+    {
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+
+        protected bool m_allowDuplicatePresences = false;
+
+        public PresenceService(IConfigSource config)
+            : base(config)
+        {
+            m_log.Debug("[PRESENCE SERVICE]: Starting presence service");
+
+            IConfig presenceConfig = config.Configs["PresenceService"];
+            if (presenceConfig != null)
+            {
+                m_allowDuplicatePresences = presenceConfig.GetBoolean("AllowDuplicatePresences", m_allowDuplicatePresences);
+            }
+        }
+
+        public bool LoginAgent(string userID, UUID sessionID, UUID secureSessionID)
+        {
+            PresenceData prevUser = GetUser(userID);
+
+            if (!m_allowDuplicatePresences && (prevUser != null))
+                m_Database.Delete("UserID", userID.ToString());
+
+            PresenceData data = new PresenceData();
+
+            data.UserID = userID;
+            data.RegionID = UUID.Zero;
+            data.SessionID = sessionID;
+            data.Data = new Dictionary<string, string>();
+            data.Data["SecureSessionID"] = secureSessionID.ToString();
+            
+            m_Database.Store(data);
+
+            string prevUserStr = "";
+            if (prevUser != null)
+                prevUserStr = string.Format(". This user was already logged-in: session {0}, region {1}", prevUser.SessionID, prevUser.RegionID);
+
+            m_log.DebugFormat("[PRESENCE SERVICE]: LoginAgent: session {0}, user {1}, region {2}, secure session {3}{4}",
+                data.SessionID, data.UserID, data.RegionID, secureSessionID, prevUserStr);
+            
+            return true;
+        }
+
+        public bool LogoutAgent(UUID sessionID)
+        {
+            PresenceInfo presence = GetAgent(sessionID);
+
+            m_log.DebugFormat("[PRESENCE SERVICE]: LogoutAgent: session {0}, user {1}, region {2}",
+                sessionID,
+                (presence == null) ? null : presence.UserID,
+                (presence == null) ? null : presence.RegionID.ToString());
+            
+            return m_Database.Delete("SessionID", sessionID.ToString());
+        }
+
+        public bool LogoutRegionAgents(UUID regionID)
+        {
+            PresenceData[] prevSessions = GetRegionAgents(regionID);
+
+            if ((prevSessions == null) || (prevSessions.Length == 0))
+                return true;
+
+            m_log.DebugFormat("[PRESENCE SERVICE]: Logout users in region {0}: {1}", regionID,
+                string.Join(", ", Array.ConvertAll(prevSessions, session => session.UserID)));
+
+            // There's a small chance that LogoutRegionAgents() will logout different users than the
+            // list that was logged above, but it's unlikely and not worth dealing with.
+
+            m_Database.LogoutRegionAgents(regionID);
+
+            return true;
+        }
+
+
+        public bool ReportAgent(UUID sessionID, UUID regionID)
+        {
+            try
+            {
+                PresenceData presence = m_Database.Get(sessionID);
+
+                bool success;
+                if (presence == null)
+                    success = false;
+                else
+                    success = m_Database.ReportAgent(sessionID, regionID);
+
+                m_log.DebugFormat("[PRESENCE SERVICE]: ReportAgent{0}: session {1}, user {2}, region {3}. Previously: {4}",
+                    success ? "" : " failed",
+                    sessionID, (presence == null) ? null : presence.UserID, regionID,
+                    (presence == null) ? "not logged-in" : "region " + presence.RegionID);
+
+                return success;
+            }
+            catch (Exception e)
+            {
+                m_log.Debug(string.Format("[PRESENCE SERVICE]: ReportAgent for session {0} threw exception ", sessionID), e);
+                return false;
+            }
+        }
+
+        public PresenceInfo GetAgent(UUID sessionID)
+        {
+            PresenceInfo ret = new PresenceInfo();
+            
+            PresenceData data = m_Database.Get(sessionID);
+            if (data == null)
+                return null;
+
+            ret.UserID = data.UserID;
+            ret.RegionID = data.RegionID;
+
+            return ret;
+        }
+
+        public PresenceInfo[] GetAgents(string[] userIDs)
+        {
+            List<PresenceInfo> info = new List<PresenceInfo>();
+
+            foreach (string userIDStr in userIDs)
+            {
+                PresenceData[] data = m_Database.Get("UserID", userIDStr);
+
+                foreach (PresenceData d in data)
+                {
+                    PresenceInfo ret = new PresenceInfo();
+
+                    ret.UserID = d.UserID;
+                    ret.RegionID = d.RegionID;
+
+                    info.Add(ret);
+                }
+
+//                m_log.DebugFormat(
+//                    "[PRESENCE SERVICE]: GetAgents for {0} found {1} presences", userIDStr, data.Length);
+            }
+
+            return info.ToArray();
+        }
+
+        /// <summary>
+        /// Return the user's Presence. This only really works well if !AllowDuplicatePresences, but that's the default.
+        /// </summary>
+        private PresenceData GetUser(string userID)
+        {
+            PresenceData[] data = m_Database.Get("UserID", userID);
+            if (data.Length > 0)
+                return data[0];
+            else
+                return null;
+        }
+
+        private PresenceData[] GetRegionAgents(UUID regionID)
+        {
+            return m_Database.Get("RegionID", regionID.ToString());
+        }
+
+    }
+}
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