OpenSim-Test/OpenSim/Data/MSSQL/MSSQLPresenceData.cs

/*
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 * See CONTRIBUTORS.TXT for a full list of copyright holders.
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 *       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
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using System;
using System.Collections.Generic;
using System.Data;
using System.Reflection;
using System.Threading;
using log4net;
using OpenMetaverse;
using OpenSim.Framework;
using System.Data.SqlClient;

namespace OpenSim.Data.MSSQL
{
    /// <summary>
    /// A MySQL Interface for the Presence Server
    /// </summary>
    public class MSSQLPresenceData : MSSQLGenericTableHandler<PresenceData>,
            IPresenceData
    {
        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);

        public MSSQLPresenceData(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)
        {
            using (SqlConnection conn = new SqlConnection(m_ConnectionString))
            using (SqlCommand cmd = new SqlCommand())
            {

                cmd.CommandText = String.Format("DELETE FROM {0} WHERE [RegionID]=@RegionID", m_Realm);

                cmd.Parameters.Add(m_database.CreateParameter("@RegionID", regionID.ToString()));
                cmd.Connection = conn;
                conn.Open();
                cmd.ExecuteNonQuery();
            }
        }

        public bool ReportAgent(UUID sessionID, UUID regionID)
        {
            PresenceData[] pd = Get("SessionID", sessionID.ToString());
            if (pd.Length == 0)
                return false;

            using (SqlConnection conn = new SqlConnection(m_ConnectionString))
            using (SqlCommand cmd = new SqlCommand())
            {

                cmd.CommandText = String.Format(@"UPDATE {0} SET 
                                                [RegionID] = @RegionID
                                        WHERE [SessionID] = @SessionID", m_Realm);

                cmd.Parameters.Add(m_database.CreateParameter("@SessionID", sessionID.ToString()));
                cmd.Parameters.Add(m_database.CreateParameter("@RegionID", regionID.ToString()));
                cmd.Connection = conn;
                conn.Open();
                if (cmd.ExecuteNonQuery() == 0)
                    return false;
            }
            return true;
        }

    }
}