1 files changed, 155 insertions, 0 deletions

diff --git a/OpenSim/Data/MySQL/MySQLPresenceData.cs b/OpenSim/Data/MySQL/MySQLPresenceData.cs
new file mode 100644
index 0000000..143dbe3
--- /dev/null
+++ b/OpenSim/Data/MySQL/MySQLPresenceData.cs
@@ -0,0 +1,155 @@
+/*
+ * 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.Data;
+using System.Reflection;
+using System.Threading;
+using log4net;
+using OpenMetaverse;
+using OpenSim.Framework;
+using MySql.Data.MySqlClient;
+
+namespace OpenSim.Data.MySQL
+{
+    /// <summary>
+    /// A MySQL Interface for the Grid Server
+    /// </summary>
+    public class MySQLPresenceData : MySQLGenericTableHandler<PresenceData>,
+            IPresenceData
+    {
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+
+        public MySQLPresenceData(string connectionString, string realm) :
+                base(connectionString, realm, "Presence")
+        {
+        }
+
+        public PresenceData Get(UUID sessionID)
+        {
+            PresenceData[] ret = Get("SessionID",
+                    sessionID.ToString());
+
+            if (ret.Length == 0)
+                return null;
+
+            return ret[0];
+        }
+
+        public void LogoutRegionAgents(UUID regionID)
+        {
+            MySqlCommand cmd = new MySqlCommand();
+
+            cmd.CommandText = String.Format("update {0} set Online='false' where `RegionID`=?RegionID", m_Realm);
+
+            cmd.Parameters.AddWithValue("?RegionID", regionID.ToString());
+
+            ExecuteNonQuery(cmd);
+        }
+
+        public bool ReportAgent(UUID sessionID, UUID regionID, string position,
+                string lookAt)
+        {
+            PresenceData[] pd = Get("SessionID", sessionID.ToString());
+            if (pd.Length == 0)
+                return false;
+
+            MySqlCommand cmd = new MySqlCommand();
+
+            cmd.CommandText = String.Format("update {0} set RegionID=?RegionID, Position=?Position, LookAt=?LookAt, Online='true' where `SessionID`=?SessionID", m_Realm);
+
+            cmd.Parameters.AddWithValue("?SessionID", sessionID.ToString());
+            cmd.Parameters.AddWithValue("?RegionID", regionID.ToString());
+            cmd.Parameters.AddWithValue("?Position", position.ToString());
+            cmd.Parameters.AddWithValue("?LookAt", lookAt.ToString());
+
+            if (ExecuteNonQuery(cmd) == 0)
+                return false;
+
+            return true;
+        }
+
+        public bool SetHomeLocation(string userID, UUID regionID, Vector3 position, Vector3 lookAt)
+        {
+            PresenceData[] pd = Get("UserID", userID);
+            if (pd.Length == 0)
+                return false;
+
+            MySqlCommand cmd = new MySqlCommand();
+
+            cmd.CommandText = String.Format("update {0} set HomeRegionID=?HomeRegionID, HomePosition=?HomePosition, HomeLookAt=?HomeLookAt where UserID=?UserID", m_Realm);
+
+            cmd.Parameters.AddWithValue("?UserID", userID);
+            cmd.Parameters.AddWithValue("?HomeRegionID", regionID.ToString());
+            cmd.Parameters.AddWithValue("?HomePosition", position);
+            cmd.Parameters.AddWithValue("?HomeLookAt", lookAt);
+
+            if (ExecuteNonQuery(cmd) == 0)
+                return false;
+
+            return true;
+        }
+
+        public void Prune(string userID)
+        {
+            MySqlCommand cmd = new MySqlCommand();
+
+            cmd.CommandText = String.Format("select * from {0} where UserID=?UserID", m_Realm);
+
+            cmd.Parameters.AddWithValue("?UserID", userID);
+
+            using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
+            { 
+                dbcon.Open();
+
+                cmd.Connection = dbcon;
+
+                using (IDataReader reader = cmd.ExecuteReader())
+                {
+                    List<UUID> deleteSessions = new List<UUID>();
+                    int online = 0;
+
+                    while (reader.Read())
+                    {
+                        if (bool.Parse(reader["Online"].ToString()))
+                            online++;
+                        else
+                            deleteSessions.Add(new UUID(reader["SessionID"].ToString()));
+                    }
+
+                    // Leave one session behind so that we can pick up details such as home location
+                    if (online == 0 && deleteSessions.Count > 0)
+                        deleteSessions.RemoveAt(0);
+
+                    foreach (UUID s in deleteSessions)
+                        Delete("SessionID", s.ToString());
+                }
+            }
+        }
+    }
+}