MSSQL Additions for Presence Refactor branch. Most functionality tested and works, some outstanding issues around login location and border crossings on y axis.

Signed-off-by: Melanie <melanie@t-data.com>

OpenSim/Data/MSSQL/MSSQLFriendsData.cs

@@ -0,0 +1,83 @@
+/*
+ * 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;
+using System.Collections.Generic;
+using System.Data;
+using OpenMetaverse;
+using OpenSim.Framework;
+using System.Data.SqlClient;
+using System.Reflection;
+using System.Text;
+
+namespace OpenSim.Data.MSSQL
+{
+    public class MSSQLFriendsData : MSSQLGenericTableHandler<FriendsData>, IFriendsData
+    {
+        public MSSQLFriendsData(string connectionString, string realm)
+            : base(connectionString, realm, "FriendsStore")
+        {
+            using (SqlConnection conn = new SqlConnection(m_ConnectionString))
+            {
+                conn.Open();
+                Migration m = new Migration(conn, GetType().Assembly, "FriendsStore");
+                m.Update();
+            }
+        }
+
+        public bool Delete(UUID principalID, string friend)
+        {
+            using (SqlConnection conn = new SqlConnection(m_ConnectionString))
+            using (SqlCommand cmd = new SqlCommand())
+            {
+                cmd.CommandText = String.Format("delete from {0} where PrincipalID = @PrincipalID and Friend = @Friend", m_Realm);
+                cmd.Parameters.Add(m_database.CreateParameter("@PrincipalID", principalID.ToString()));
+                cmd.Parameters.Add(m_database.CreateParameter("@Friend", friend));
+                cmd.Connection = conn;
+                conn.Open();
+                cmd.ExecuteNonQuery();
+
+                return true;
+            }
+        }
+
+        public FriendsData[] GetFriends(UUID principalID)
+        {
+            using (SqlConnection conn = new SqlConnection(m_ConnectionString))
+            using (SqlCommand cmd = new SqlCommand())
+            {
+
+                cmd.CommandText = String.Format("select a.*,b.Flags as TheirFlags from {0} as a left join {0} as b on a.PrincipalID = b.Friend and a.Friend = b.PrincipalID where a.PrincipalID = ?PrincipalID and b.Flags is not null", m_Realm);
+                cmd.Parameters.Add(m_database.CreateParameter("@PrincipalID", principalID.ToString()));
+                cmd.Connection = conn;
+                conn.Open();
+                return DoQuery(cmd);
+            }
+        }
+    }
+}